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7,900 | luci/luci-go | scheduler/appengine/engine/utils.go | structFromMap | func structFromMap(m map[string]string) *structpb.Struct {
out := &structpb.Struct{
Fields: make(map[string]*structpb.Value, len(m)),
}
for k, v := range m {
out.Fields[k] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: v},
}
}
return out
} | go | func structFromMap(m map[string]string) *structpb.Struct {
out := &structpb.Struct{
Fields: make(map[string]*structpb.Value, len(m)),
}
for k, v := range m {
out.Fields[k] = &structpb.Value{
Kind: &structpb.Value_StringValue{StringValue: v},
}
}
return out
} | [
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"}",
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"}",
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"}",
"\n",
"return",
"out",
"\n",
"}"
] | // structFromMap constructs protobuf.Struct with string keys and values. | [
"structFromMap",
"constructs",
"protobuf",
".",
"Struct",
"with",
"string",
"keys",
"and",
"values",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/scheduler/appengine/engine/utils.go#L249-L259 |
7,901 | luci/luci-go | scheduler/appengine/engine/utils.go | marshalFinishedInvs | func marshalFinishedInvs(invs []*internal.FinishedInvocation) []byte {
if len(invs) == 0 {
return nil
}
blob, err := proto.Marshal(&internal.FinishedInvocationList{Invocations: invs})
if err != nil {
panic(err)
}
return blob
} | go | func marshalFinishedInvs(invs []*internal.FinishedInvocation) []byte {
if len(invs) == 0 {
return nil
}
blob, err := proto.Marshal(&internal.FinishedInvocationList{Invocations: invs})
if err != nil {
panic(err)
}
return blob
} | [
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"}",
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"}"
] | // marshalFinishedInvs marshals list of invocations into FinishedInvocationList.
//
// Panics on errors. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/scheduler/appengine/engine/utils.go#L264-L273 |
7,902 | luci/luci-go | scheduler/appengine/engine/utils.go | unmarshalFinishedInvs | func unmarshalFinishedInvs(raw []byte) ([]*internal.FinishedInvocation, error) {
if len(raw) == 0 {
return nil, nil
}
invs := internal.FinishedInvocationList{}
if err := proto.Unmarshal(raw, &invs); err != nil {
return nil, err
}
return invs.Invocations, nil
} | go | func unmarshalFinishedInvs(raw []byte) ([]*internal.FinishedInvocation, error) {
if len(raw) == 0 {
return nil, nil
}
invs := internal.FinishedInvocationList{}
if err := proto.Unmarshal(raw, &invs); err != nil {
return nil, err
}
return invs.Invocations, nil
} | [
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] | // unmarshalFinishedInvs unmarshals FinishedInvocationList proto message. | [
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"proto",
"message",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/scheduler/appengine/engine/utils.go#L276-L285 |
7,903 | luci/luci-go | scheduler/appengine/engine/utils.go | filteredFinishedInvs | func filteredFinishedInvs(raw []byte, oldest time.Time) ([]*internal.FinishedInvocation, error) {
invs, err := unmarshalFinishedInvs(raw)
if err != nil {
return nil, err
}
filtered := make([]*internal.FinishedInvocation, 0, len(invs))
for _, inv := range invs {
if google.TimeFromProto(inv.Finished).After(oldest) {
filtered = append(filtered, inv)
}
}
return filtered, nil
} | go | func filteredFinishedInvs(raw []byte, oldest time.Time) ([]*internal.FinishedInvocation, error) {
invs, err := unmarshalFinishedInvs(raw)
if err != nil {
return nil, err
}
filtered := make([]*internal.FinishedInvocation, 0, len(invs))
for _, inv := range invs {
if google.TimeFromProto(inv.Finished).After(oldest) {
filtered = append(filtered, inv)
}
}
return filtered, nil
} | [
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] | // filteredFinishedInvocations unmarshals FinishedInvocationList and filters
// it to keep only entries whose Finished timestamp is newer than 'oldest'. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/scheduler/appengine/engine/utils.go#L289-L301 |
7,904 | luci/luci-go | logdog/appengine/coordinator/endpoints/services/getConfig.go | GetConfig | func (s *server) GetConfig(c context.Context, req *empty.Empty) (*logdog.GetConfigResponse, error) {
gcfg, err := endpoints.GetServices(c).Config(c)
if err != nil {
log.WithError(err).Errorf(c, "Failed to load configuration.")
return nil, grpcutil.Internal
}
// Load our config service host from settings.
settings, err := gaeconfig.FetchCachedSettings(c)
if err != nil {
log.WithError(err).Errorf(c, "Failed to load settings.")
return nil, grpcutil.Internal
}
return &logdog.GetConfigResponse{
ConfigServiceHost: settings.ConfigServiceHost,
ConfigSet: string(gcfg.ConfigSet),
ServiceConfigPath: gcfg.ServiceConfigPath,
// TODO(dnj): Deprecate this field once everything has switched over to
// using host.
ConfigServiceUrl: gcfg.ConfigServiceURL.String(),
}, nil
} | go | func (s *server) GetConfig(c context.Context, req *empty.Empty) (*logdog.GetConfigResponse, error) {
gcfg, err := endpoints.GetServices(c).Config(c)
if err != nil {
log.WithError(err).Errorf(c, "Failed to load configuration.")
return nil, grpcutil.Internal
}
// Load our config service host from settings.
settings, err := gaeconfig.FetchCachedSettings(c)
if err != nil {
log.WithError(err).Errorf(c, "Failed to load settings.")
return nil, grpcutil.Internal
}
return &logdog.GetConfigResponse{
ConfigServiceHost: settings.ConfigServiceHost,
ConfigSet: string(gcfg.ConfigSet),
ServiceConfigPath: gcfg.ServiceConfigPath,
// TODO(dnj): Deprecate this field once everything has switched over to
// using host.
ConfigServiceUrl: gcfg.ConfigServiceURL.String(),
}, nil
} | [
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// parameters. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/appengine/coordinator/endpoints/services/getConfig.go#L30-L53 |
7,905 | luci/luci-go | tokenserver/cmd/luci_machine_tokend/file.go | AtomicWriteFile | func AtomicWriteFile(c context.Context, path string, body []byte, perm os.FileMode) error {
// Write the body to some temp file in the same directory.
tmp := fmt.Sprintf(
"%s.%d_%d_%d.tmp", path, os.Getpid(),
atomic.AddInt32(&counter, 1), time.Now().UnixNano())
if err := ioutil.WriteFile(tmp, body, perm); err != nil {
return err
}
// Try to replace the target file a bunch of times, retrying "Access denied"
// errors. They happen on Windows if file is locked by some other process.
// We assume other processes do not lock token file for too long.
c, _ = context.WithTimeout(c, 10*time.Second)
var err error
loop:
for {
switch err = atomicRename(tmp, path); {
case err == nil:
return nil // success!
case !os.IsPermission(err):
break loop // some unretriable fatal error
default: // permission error
logging.Warningf(c, "Failed to replace %q - %s", path, err)
if tr := clock.Sleep(c, 500*time.Millisecond); tr.Incomplete() {
break loop // timeout, giving up
}
}
}
// Best effort in cleaning up the garbage.
os.Remove(tmp)
return err
} | go | func AtomicWriteFile(c context.Context, path string, body []byte, perm os.FileMode) error {
// Write the body to some temp file in the same directory.
tmp := fmt.Sprintf(
"%s.%d_%d_%d.tmp", path, os.Getpid(),
atomic.AddInt32(&counter, 1), time.Now().UnixNano())
if err := ioutil.WriteFile(tmp, body, perm); err != nil {
return err
}
// Try to replace the target file a bunch of times, retrying "Access denied"
// errors. They happen on Windows if file is locked by some other process.
// We assume other processes do not lock token file for too long.
c, _ = context.WithTimeout(c, 10*time.Second)
var err error
loop:
for {
switch err = atomicRename(tmp, path); {
case err == nil:
return nil // success!
case !os.IsPermission(err):
break loop // some unretriable fatal error
default: // permission error
logging.Warningf(c, "Failed to replace %q - %s", path, err)
if tr := clock.Sleep(c, 500*time.Millisecond); tr.Incomplete() {
break loop // timeout, giving up
}
}
}
// Best effort in cleaning up the garbage.
os.Remove(tmp)
return err
} | [
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"\n",
"return",
"err",
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"}"
] | // AtomicWriteFile atomically replaces the content of a given file.
//
// It will retry a bunch of times on permission errors on Windows, where reader
// may lock the file. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/cmd/luci_machine_tokend/file.go#L35-L68 |
7,906 | luci/luci-go | grpc/grpcutil/paniccatcher.go | NewUnaryServerPanicCatcher | func NewUnaryServerPanicCatcher(next grpc.UnaryServerInterceptor) grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
defer paniccatcher.Catch(func(p *paniccatcher.Panic) {
logging.Fields{
"panic.error": p.Reason,
}.Errorf(ctx, "Caught panic during handling of %q: %s\n%s", info.FullMethod, p.Reason, p.Stack)
err = Internal
})
if next != nil {
return next(ctx, req, info, handler)
}
return handler(ctx, req)
}
} | go | func NewUnaryServerPanicCatcher(next grpc.UnaryServerInterceptor) grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
defer paniccatcher.Catch(func(p *paniccatcher.Panic) {
logging.Fields{
"panic.error": p.Reason,
}.Errorf(ctx, "Caught panic during handling of %q: %s\n%s", info.FullMethod, p.Reason, p.Stack)
err = Internal
})
if next != nil {
return next(ctx, req, info, handler)
}
return handler(ctx, req)
}
} | [
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"}"
] | // NewUnaryServerPanicCatcher returns a unary interceptor that catches panics
// in RPC handlers, recovers them and returns codes.Internal gRPC errors
// instead.
//
// It can be optionally chained with other interceptor. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/grpc/grpcutil/paniccatcher.go#L31-L44 |
7,907 | luci/luci-go | common/logging/gologger/config.go | PickStdFormat | func PickStdFormat(w io.Writer) string {
if file, _ := w.(*os.File); file != nil {
if terminal.IsTerminal(int(file.Fd())) {
return StdFormatWithColor
}
}
return StdFormat
} | go | func PickStdFormat(w io.Writer) string {
if file, _ := w.(*os.File); file != nil {
if terminal.IsTerminal(int(file.Fd())) {
return StdFormatWithColor
}
}
return StdFormat
} | [
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"\n",
"}",
"\n",
"}",
"\n",
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"\n",
"}"
] | // PickStdFormat returns StdFormat for non terminal-backed files or
// StdFormatWithColor for io.Writers that are io.Files backed by a terminal.
//
// Used by default StdConfig. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/logging/gologger/config.go#L48-L55 |
7,908 | luci/luci-go | common/logging/gologger/config.go | Use | func (lc *LoggerConfig) Use(c context.Context) context.Context {
return logging.SetFactory(c, lc.NewLogger)
} | go | func (lc *LoggerConfig) Use(c context.Context) context.Context {
return logging.SetFactory(c, lc.NewLogger)
} | [
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] | // Use registers go-logging based logger as default logger of the context. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/logging/gologger/config.go#L116-L118 |
7,909 | luci/luci-go | tokenserver/appengine/impl/delegation/config_validation.go | validateDelegationCfg | func validateDelegationCfg(ctx *validation.Context, cfg *admin.DelegationPermissions) {
names := stringset.New(0)
for i, rule := range cfg.Rules {
if rule.Name != "" {
if names.Has(rule.Name) {
ctx.Errorf("two rules with identical name %q", rule.Name)
}
names.Add(rule.Name)
}
validateRule(ctx, fmt.Sprintf("rule #%d: %q", i+1, rule.Name), rule)
}
} | go | func validateDelegationCfg(ctx *validation.Context, cfg *admin.DelegationPermissions) {
names := stringset.New(0)
for i, rule := range cfg.Rules {
if rule.Name != "" {
if names.Has(rule.Name) {
ctx.Errorf("two rules with identical name %q", rule.Name)
}
names.Add(rule.Name)
}
validateRule(ctx, fmt.Sprintf("rule #%d: %q", i+1, rule.Name), rule)
}
} | [
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] | // validateDelegationCfg checks deserialized delegation.cfg. | [
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"checks",
"deserialized",
"delegation",
".",
"cfg",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/delegation/config_validation.go#L42-L53 |
7,910 | luci/luci-go | tokenserver/appengine/impl/delegation/config_validation.go | validateRule | func validateRule(ctx *validation.Context, title string, r *admin.DelegationRule) {
ctx.Enter(title)
defer ctx.Exit()
if r.Name == "" {
ctx.Errorf(`"name" is required`)
}
v := identitySetValidator{
Field: "requestor",
Context: ctx,
AllowGroups: true,
}
v.validate(r.Requestor)
v = identitySetValidator{
Field: "allowed_to_impersonate",
Context: ctx,
AllowReservedWords: []string{Requestor, Projects}, // '*' is not allowed here though
AllowGroups: true,
}
v.validate(r.AllowedToImpersonate)
v = identitySetValidator{
Field: "allowed_audience",
Context: ctx,
AllowReservedWords: []string{Requestor, "*"},
AllowGroups: true,
}
v.validate(r.AllowedAudience)
v = identitySetValidator{
Field: "target_service",
Context: ctx,
AllowReservedWords: []string{"*"},
AllowIDKinds: []identity.Kind{identity.Service},
}
v.validate(r.TargetService)
switch {
case r.MaxValidityDuration == 0:
ctx.Errorf(`"max_validity_duration" is required`)
case r.MaxValidityDuration < 0:
ctx.Errorf(`"max_validity_duration" must be positive`)
case r.MaxValidityDuration > 24*3600:
ctx.Errorf(`"max_validity_duration" must be smaller than 86401`)
}
} | go | func validateRule(ctx *validation.Context, title string, r *admin.DelegationRule) {
ctx.Enter(title)
defer ctx.Exit()
if r.Name == "" {
ctx.Errorf(`"name" is required`)
}
v := identitySetValidator{
Field: "requestor",
Context: ctx,
AllowGroups: true,
}
v.validate(r.Requestor)
v = identitySetValidator{
Field: "allowed_to_impersonate",
Context: ctx,
AllowReservedWords: []string{Requestor, Projects}, // '*' is not allowed here though
AllowGroups: true,
}
v.validate(r.AllowedToImpersonate)
v = identitySetValidator{
Field: "allowed_audience",
Context: ctx,
AllowReservedWords: []string{Requestor, "*"},
AllowGroups: true,
}
v.validate(r.AllowedAudience)
v = identitySetValidator{
Field: "target_service",
Context: ctx,
AllowReservedWords: []string{"*"},
AllowIDKinds: []identity.Kind{identity.Service},
}
v.validate(r.TargetService)
switch {
case r.MaxValidityDuration == 0:
ctx.Errorf(`"max_validity_duration" is required`)
case r.MaxValidityDuration < 0:
ctx.Errorf(`"max_validity_duration" must be positive`)
case r.MaxValidityDuration > 24*3600:
ctx.Errorf(`"max_validity_duration" must be smaller than 86401`)
}
} | [
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"}",
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] | // validateRule checks single DelegationRule proto.
//
// See config.proto, DelegationRule for the description of allowed values. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/delegation/config_validation.go#L58-L105 |
7,911 | luci/luci-go | logdog/client/cli/main.go | coordinatorClient | func (a *application) coordinatorClient(host string) (*coordinator.Client, error) {
host, err := a.resolveHost(host)
if err != nil {
return nil, errors.Annotate(err, "").Err()
}
// Get our Coordinator client instance.
prpcClient := prpc.Client{
C: a.httpClient,
Host: host,
Options: prpc.DefaultOptions(),
}
prpcClient.Options.Insecure = a.insecure
return coordinator.NewClient(&prpcClient), nil
} | go | func (a *application) coordinatorClient(host string) (*coordinator.Client, error) {
host, err := a.resolveHost(host)
if err != nil {
return nil, errors.Annotate(err, "").Err()
}
// Get our Coordinator client instance.
prpcClient := prpc.Client{
C: a.httpClient,
Host: host,
Options: prpc.DefaultOptions(),
}
prpcClient.Options.Insecure = a.insecure
return coordinator.NewClient(&prpcClient), nil
} | [
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"}"
] | // coordinatorClient returns a Coordinator client for the specified host. If
// no host is provided, the command-line host will be used. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/cli/main.go#L132-L146 |
7,912 | luci/luci-go | logdog/client/cli/main.go | Main | func Main(ctx context.Context, params Parameters) int {
ctx = gologger.StdConfig.Use(ctx)
authOptions := params.DefaultAuthOptions
authOptions.Scopes = coordinator.Scopes
a := application{
Application: cli.Application{
Name: "logdog",
Title: "LogDog log data access CLI",
Context: func(context.Context) context.Context { return ctx },
Commands: []*subcommands.Command{
subcommands.CmdHelp,
newCatCommand(),
newQueryCommand(),
newLatestCommand(),
authcli.SubcommandLogin(authOptions, "auth-login", false),
authcli.SubcommandLogout(authOptions, "auth-logout", false),
authcli.SubcommandInfo(authOptions, "auth-info", false),
},
},
p: params,
authFlags: authcli.Flags{},
}
loggingConfig := log.Config{
Level: log.Level(log.Info),
}
flags := &flag.FlagSet{}
a.addToFlagSet(ctx, flags)
loggingConfig.AddFlags(flags)
a.authFlags.Register(flags, authOptions)
// Parse flags.
if err := flags.Parse(params.Args); err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to parse command-line.")
return 1
}
// Install our log formatter.
ctx = loggingConfig.Set(ctx)
// Signal handler will cancel our context when interrupted.
ctx, cancelFunc := context.WithCancel(ctx)
signalC := make(chan os.Signal, 1)
signal.Notify(signalC, os.Interrupt, os.Kill)
go func() {
triggered := false
for sig := range signalC {
if triggered {
os.Exit(2)
}
triggered = true
log.Fields{
"signal": sig,
}.Warningf(ctx, "Caught signal; terminating.")
cancelFunc()
}
}()
defer func() {
signal.Stop(signalC)
close(signalC)
}()
// Instantiate our authenticated HTTP client.
authOpts, err := a.authFlags.Options()
if err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to create auth options.")
return 1
}
if a.httpClient, err = auth.NewAuthenticator(ctx, auth.OptionalLogin, authOpts).Client(); err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to create authenticated client.")
return 1
}
a.Context = ctx
return subcommands.Run(&a, flags.Args())
} | go | func Main(ctx context.Context, params Parameters) int {
ctx = gologger.StdConfig.Use(ctx)
authOptions := params.DefaultAuthOptions
authOptions.Scopes = coordinator.Scopes
a := application{
Application: cli.Application{
Name: "logdog",
Title: "LogDog log data access CLI",
Context: func(context.Context) context.Context { return ctx },
Commands: []*subcommands.Command{
subcommands.CmdHelp,
newCatCommand(),
newQueryCommand(),
newLatestCommand(),
authcli.SubcommandLogin(authOptions, "auth-login", false),
authcli.SubcommandLogout(authOptions, "auth-logout", false),
authcli.SubcommandInfo(authOptions, "auth-info", false),
},
},
p: params,
authFlags: authcli.Flags{},
}
loggingConfig := log.Config{
Level: log.Level(log.Info),
}
flags := &flag.FlagSet{}
a.addToFlagSet(ctx, flags)
loggingConfig.AddFlags(flags)
a.authFlags.Register(flags, authOptions)
// Parse flags.
if err := flags.Parse(params.Args); err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to parse command-line.")
return 1
}
// Install our log formatter.
ctx = loggingConfig.Set(ctx)
// Signal handler will cancel our context when interrupted.
ctx, cancelFunc := context.WithCancel(ctx)
signalC := make(chan os.Signal, 1)
signal.Notify(signalC, os.Interrupt, os.Kill)
go func() {
triggered := false
for sig := range signalC {
if triggered {
os.Exit(2)
}
triggered = true
log.Fields{
"signal": sig,
}.Warningf(ctx, "Caught signal; terminating.")
cancelFunc()
}
}()
defer func() {
signal.Stop(signalC)
close(signalC)
}()
// Instantiate our authenticated HTTP client.
authOpts, err := a.authFlags.Options()
if err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to create auth options.")
return 1
}
if a.httpClient, err = auth.NewAuthenticator(ctx, auth.OptionalLogin, authOpts).Client(); err != nil {
log.Errorf(log.SetError(ctx, err), "Failed to create authenticated client.")
return 1
}
a.Context = ctx
return subcommands.Run(&a, flags.Args())
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/cli/main.go#L156-L236 |
7,913 | luci/luci-go | cipd/appengine/impl/model/search.go | queryByTag | func queryByTag(c context.Context, pkg, tag string, cursor datastore.Cursor, pageSize int32) (
out []*datastore.Key,
next datastore.Cursor,
err error) {
// TODO(vadimsh): 'registered_ts' here is when the tag was attached. The
// callers likely expect results ordered by instance registration time. This
// is not possible currently. We'll need to copy Instance.registered_ts into
// InstanceTag entities, so we can order by instance registration time.
// TODO(vadimsh): Should we exclude unprocessed instances from the result?
q := datastore.NewQuery("InstanceTag").
Ancestor(PackageKey(c, pkg)).
Eq("tag", tag).
Order("-registered_ts").
Limit(pageSize).
KeysOnly(true)
if cursor != nil {
q = q.Start(cursor)
}
err = datastore.Run(c, q, func(k *datastore.Key, cb datastore.CursorCB) error {
out = append(out, k.Parent())
if len(out) >= int(pageSize) {
if next, err = cb(); err != nil {
return err
}
return datastore.Stop
}
return nil
})
if err != nil {
return nil, nil, errors.Annotate(err, "failed to query by tag %q", tag).Tag(transient.Tag).Err()
}
return
} | go | func queryByTag(c context.Context, pkg, tag string, cursor datastore.Cursor, pageSize int32) (
out []*datastore.Key,
next datastore.Cursor,
err error) {
// TODO(vadimsh): 'registered_ts' here is when the tag was attached. The
// callers likely expect results ordered by instance registration time. This
// is not possible currently. We'll need to copy Instance.registered_ts into
// InstanceTag entities, so we can order by instance registration time.
// TODO(vadimsh): Should we exclude unprocessed instances from the result?
q := datastore.NewQuery("InstanceTag").
Ancestor(PackageKey(c, pkg)).
Eq("tag", tag).
Order("-registered_ts").
Limit(pageSize).
KeysOnly(true)
if cursor != nil {
q = q.Start(cursor)
}
err = datastore.Run(c, q, func(k *datastore.Key, cb datastore.CursorCB) error {
out = append(out, k.Parent())
if len(out) >= int(pageSize) {
if next, err = cb(); err != nil {
return err
}
return datastore.Stop
}
return nil
})
if err != nil {
return nil, nil, errors.Annotate(err, "failed to query by tag %q", tag).Tag(transient.Tag).Err()
}
return
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] | // queryByTag returns keys of Instances that have the given tag attached.
//
// Returns up to 'pageSize' of results, along with a cursor to continue the
// query or nil if it was the end of it. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/search.go#L129-L165 |
7,914 | luci/luci-go | cipd/appengine/impl/model/search.go | fetchExistingInstances | func fetchExistingInstances(c context.Context, keys []*datastore.Key) ([]*Instance, error) {
instances := make([]*Instance, len(keys))
for i, k := range keys {
instances[i] = &Instance{
InstanceID: k.StringID(),
Package: k.Parent(),
}
}
err := datastore.Get(c, instances)
if err == nil {
return instances, nil
}
merr, ok := err.(errors.MultiError)
if !ok {
return nil, errors.Annotate(err, "failed to fetch instances").Tag(transient.Tag).Err()
}
existing := instances[:0]
for i, inst := range instances {
switch err := merr[i]; {
case err == nil:
existing = append(existing, inst)
case err != datastore.ErrNoSuchEntity:
return nil, errors.Annotate(err, "failed to fetch instance %q", inst.InstanceID).Tag(transient.Tag).Err()
}
}
return existing, nil
} | go | func fetchExistingInstances(c context.Context, keys []*datastore.Key) ([]*Instance, error) {
instances := make([]*Instance, len(keys))
for i, k := range keys {
instances[i] = &Instance{
InstanceID: k.StringID(),
Package: k.Parent(),
}
}
err := datastore.Get(c, instances)
if err == nil {
return instances, nil
}
merr, ok := err.(errors.MultiError)
if !ok {
return nil, errors.Annotate(err, "failed to fetch instances").Tag(transient.Tag).Err()
}
existing := instances[:0]
for i, inst := range instances {
switch err := merr[i]; {
case err == nil:
existing = append(existing, inst)
case err != datastore.ErrNoSuchEntity:
return nil, errors.Annotate(err, "failed to fetch instance %q", inst.InstanceID).Tag(transient.Tag).Err()
}
}
return existing, nil
} | [
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"}"
] | // fetchExistingInstances fetches Instance entities given their keys.
//
// Skips missing ones. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/search.go#L195-L224 |
7,915 | luci/luci-go | luci_notify/config/settings.go | Load | func (s *Settings) Load(props datastore.PropertyMap) error {
if pdata, ok := props["Settings"]; ok {
settings := pdata.Slice()
if len(settings) != 1 {
return fmt.Errorf("property `Settings` is a property slice")
}
settingsBytes, ok := settings[0].Value().([]byte)
if !ok {
return fmt.Errorf("expected byte array for property `Settings`")
}
if err := proto.Unmarshal(settingsBytes, &s.Settings); err != nil {
return err
}
delete(props, "Settings")
}
return datastore.GetPLS(s).Load(props)
} | go | func (s *Settings) Load(props datastore.PropertyMap) error {
if pdata, ok := props["Settings"]; ok {
settings := pdata.Slice()
if len(settings) != 1 {
return fmt.Errorf("property `Settings` is a property slice")
}
settingsBytes, ok := settings[0].Value().([]byte)
if !ok {
return fmt.Errorf("expected byte array for property `Settings`")
}
if err := proto.Unmarshal(settingsBytes, &s.Settings); err != nil {
return err
}
delete(props, "Settings")
}
return datastore.GetPLS(s).Load(props)
} | [
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] | // Load loads a Settings's information from props.
//
// This implements PropertyLoadSaver. Load unmarshals the property Settings
// stored in the datastore as a binary proto into the struct's Settings field. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/luci_notify/config/settings.go#L48-L64 |
7,916 | luci/luci-go | luci_notify/config/settings.go | Save | func (s *Settings) Save(withMeta bool) (datastore.PropertyMap, error) {
props, err := datastore.GetPLS(s).Save(withMeta)
if err != nil {
return nil, err
}
settingsBytes, err := proto.Marshal(&s.Settings)
if err != nil {
return nil, err
}
props["Settings"] = datastore.MkProperty(settingsBytes)
return props, nil
} | go | func (s *Settings) Save(withMeta bool) (datastore.PropertyMap, error) {
props, err := datastore.GetPLS(s).Save(withMeta)
if err != nil {
return nil, err
}
settingsBytes, err := proto.Marshal(&s.Settings)
if err != nil {
return nil, err
}
props["Settings"] = datastore.MkProperty(settingsBytes)
return props, nil
} | [
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] | // Save saves a Settings's information to a property map.
//
// This implements PropertyLoadSaver. Save marshals the Settings
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/luci_notify/config/settings.go#L70-L81 |
7,917 | luci/luci-go | luci_notify/config/settings.go | updateSettings | func updateSettings(c context.Context) error {
// Load the settings from luci-config.
cs := cfgclient.CurrentServiceConfigSet(c)
lucicfg := GetConfigService(c)
cfg, err := lucicfg.GetConfig(c, cs, "settings.cfg", false)
if err != nil {
return errors.Annotate(err, "loading settings.cfg from luci-config").Err()
}
// Do the revision check & swap in a datastore transaction.
return datastore.RunInTransaction(c, func(c context.Context) error {
oldSettings := Settings{}
err := datastore.Get(c, &oldSettings)
switch err {
case datastore.ErrNoSuchEntity:
// This might be the first time this has run, so a warning here is ok.
logging.WithError(err).Warningf(c, "no existing service config")
case nil:
// Continue
default:
return errors.Annotate(err, "loading existing config").Err()
}
// Check to see if we need to update
if oldSettings.Revision == cfg.Revision {
logging.Debugf(c, "revisions matched (%s), no need to update", cfg.Revision)
return nil
}
newSettings := Settings{Revision: cfg.Revision}
if err := proto.UnmarshalText(cfg.Content, &newSettings.Settings); err != nil {
return errors.Annotate(err, "unmarshalling proto").Err()
}
ctx := &validation.Context{Context: c}
ctx.SetFile("settings.cfg")
validateSettings(ctx, &newSettings.Settings)
if err := ctx.Finalize(); err != nil {
return errors.Annotate(err, "validating settings").Err()
}
return datastore.Put(c, &newSettings)
}, nil)
} | go | func updateSettings(c context.Context) error {
// Load the settings from luci-config.
cs := cfgclient.CurrentServiceConfigSet(c)
lucicfg := GetConfigService(c)
cfg, err := lucicfg.GetConfig(c, cs, "settings.cfg", false)
if err != nil {
return errors.Annotate(err, "loading settings.cfg from luci-config").Err()
}
// Do the revision check & swap in a datastore transaction.
return datastore.RunInTransaction(c, func(c context.Context) error {
oldSettings := Settings{}
err := datastore.Get(c, &oldSettings)
switch err {
case datastore.ErrNoSuchEntity:
// This might be the first time this has run, so a warning here is ok.
logging.WithError(err).Warningf(c, "no existing service config")
case nil:
// Continue
default:
return errors.Annotate(err, "loading existing config").Err()
}
// Check to see if we need to update
if oldSettings.Revision == cfg.Revision {
logging.Debugf(c, "revisions matched (%s), no need to update", cfg.Revision)
return nil
}
newSettings := Settings{Revision: cfg.Revision}
if err := proto.UnmarshalText(cfg.Content, &newSettings.Settings); err != nil {
return errors.Annotate(err, "unmarshalling proto").Err()
}
ctx := &validation.Context{Context: c}
ctx.SetFile("settings.cfg")
validateSettings(ctx, &newSettings.Settings)
if err := ctx.Finalize(); err != nil {
return errors.Annotate(err, "validating settings").Err()
}
return datastore.Put(c, &newSettings)
}, nil)
} | [
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// the new config into the datastore. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/luci_notify/config/settings.go#L85-L124 |
7,918 | luci/luci-go | server/auth/authdb/erroring.go | IsInternalService | func (db ErroringDB) IsInternalService(c context.Context, hostname string) (bool, error) {
logging.Errorf(c, "%s", db.Error)
return false, db.Error
} | go | func (db ErroringDB) IsInternalService(c context.Context, hostname string) (bool, error) {
logging.Errorf(c, "%s", db.Error)
return false, db.Error
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/server/auth/authdb/erroring.go#L40-L43 |
7,919 | luci/luci-go | server/auth/authdb/erroring.go | IsMember | func (db ErroringDB) IsMember(c context.Context, id identity.Identity, groups []string) (bool, error) {
logging.Errorf(c, "%s", db.Error)
return false, db.Error
} | go | func (db ErroringDB) IsMember(c context.Context, id identity.Identity, groups []string) (bool, error) {
logging.Errorf(c, "%s", db.Error)
return false, db.Error
} | [
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7,920 | luci/luci-go | server/auth/authdb/erroring.go | CheckMembership | func (db ErroringDB) CheckMembership(c context.Context, id identity.Identity, groups []string) ([]string, error) {
logging.Errorf(c, "%s", db.Error)
return nil, db.Error
} | go | func (db ErroringDB) CheckMembership(c context.Context, id identity.Identity, groups []string) ([]string, error) {
logging.Errorf(c, "%s", db.Error)
return nil, db.Error
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/server/auth/authdb/erroring.go#L52-L55 |
7,921 | luci/luci-go | cipd/appengine/impl/model/processing.go | ReadResult | func (p *ProcessingResult) ReadResult(r interface{}) error {
if len(p.ResultRaw) == 0 {
return nil
}
z, err := zlib.NewReader(bytes.NewReader(p.ResultRaw))
if err != nil {
return errors.Annotate(err, "failed to open the blob for zlib decompression").Err()
}
if err := json.NewDecoder(z).Decode(r); err != nil {
z.Close()
return errors.Annotate(err, "failed to decompress or deserialize the result").Err()
}
if err := z.Close(); err != nil {
return errors.Annotate(err, "failed to close zlib reader").Err()
}
return nil
} | go | func (p *ProcessingResult) ReadResult(r interface{}) error {
if len(p.ResultRaw) == 0 {
return nil
}
z, err := zlib.NewReader(bytes.NewReader(p.ResultRaw))
if err != nil {
return errors.Annotate(err, "failed to open the blob for zlib decompression").Err()
}
if err := json.NewDecoder(z).Decode(r); err != nil {
z.Close()
return errors.Annotate(err, "failed to decompress or deserialize the result").Err()
}
if err := z.Close(); err != nil {
return errors.Annotate(err, "failed to close zlib reader").Err()
}
return nil
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/processing.go#L81-L97 |
7,922 | luci/luci-go | cipd/appengine/impl/model/processing.go | ReadResultIntoStruct | func (p *ProcessingResult) ReadResultIntoStruct(s *structpb.Struct) error {
if len(p.ResultRaw) == 0 {
return nil
}
z, err := zlib.NewReader(bytes.NewReader(p.ResultRaw))
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}
if err := z.Close(); err != nil {
return errors.Annotate(err, "failed to close zlib reader").Err()
}
return nil
} | go | func (p *ProcessingResult) ReadResultIntoStruct(s *structpb.Struct) error {
if len(p.ResultRaw) == 0 {
return nil
}
z, err := zlib.NewReader(bytes.NewReader(p.ResultRaw))
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}
if err := (&jsonpb.Unmarshaler{}).Unmarshal(z, s); err != nil {
z.Close()
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}
if err := z.Close(); err != nil {
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return nil
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7,923 | luci/luci-go | cipd/appengine/impl/model/processing.go | Proto | func (p *ProcessingResult) Proto() (*api.Processor, error) {
out := &api.Processor{Id: p.ProcID}
if p.CreatedTs.IsZero() {
out.State = api.Processor_PENDING // no result yet
return out, nil
}
out.FinishedTs = google.NewTimestamp(p.CreatedTs)
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}
if len(res.Fields) != 0 {
out.Result = res
}
} else {
out.State = api.Processor_FAILED
out.Error = p.Error
}
return out, nil
} | go | func (p *ProcessingResult) Proto() (*api.Processor, error) {
out := &api.Processor{Id: p.ProcID}
if p.CreatedTs.IsZero() {
out.State = api.Processor_PENDING // no result yet
return out, nil
}
out.FinishedTs = google.NewTimestamp(p.CreatedTs)
if p.Success {
out.State = api.Processor_SUCCEEDED
res := &structpb.Struct{}
if err := p.ReadResultIntoStruct(res); err != nil {
return nil, err
}
if len(res.Fields) != 0 {
out.Result = res
}
} else {
out.State = api.Processor_FAILED
out.Error = p.Error
}
return out, nil
} | [
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"p",
".",
"Error",
"\n",
"}",
"\n\n",
"return",
"out",
",",
"nil",
"\n",
"}"
] | // Proto returns cipd.Processor proto with information from this entity. | [
"Proto",
"returns",
"cipd",
".",
"Processor",
"proto",
"with",
"information",
"from",
"this",
"entity",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/processing.go#L121-L145 |
7,924 | luci/luci-go | machine-db/appengine/rpc/vm_slots.go | FindVMSlots | func (*Service) FindVMSlots(c context.Context, req *crimson.FindVMSlotsRequest) (*crimson.FindVMSlotsResponse, error) {
hosts, err := findVMSlots(c, database.Get(c), req)
if err != nil {
return nil, err
}
return &crimson.FindVMSlotsResponse{
Hosts: hosts,
}, nil
} | go | func (*Service) FindVMSlots(c context.Context, req *crimson.FindVMSlotsRequest) (*crimson.FindVMSlotsResponse, error) {
hosts, err := findVMSlots(c, database.Get(c), req)
if err != nil {
return nil, err
}
return &crimson.FindVMSlotsResponse{
Hosts: hosts,
}, nil
} | [
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] | // FindVMSlots handles a request to find available VM slots. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/appengine/rpc/vm_slots.go#L29-L37 |
7,925 | luci/luci-go | machine-db/appengine/rpc/vm_slots.go | findVMSlots | func findVMSlots(c context.Context, q database.QueryerContext, req *crimson.FindVMSlotsRequest) ([]*crimson.PhysicalHost, error) {
stmt := squirrel.Select("h.name", "h.vlan_id", "ph.vm_slots - COUNT(v.physical_host_id)", "ph.virtual_datacenter", "m.state").
From("(physical_hosts ph, hostnames h, machines m)")
if len(req.Manufacturers) > 0 {
stmt = stmt.Join("platforms pl ON m.platform_id = pl.id")
}
stmt = stmt.LeftJoin("vms v on v.physical_host_id = ph.id").
Where("ph.hostname_id = h.id").
Where("ph.vm_slots > 0").
Where("ph.machine_id = m.id").
GroupBy("h.name", "h.vlan_id", "ph.vm_slots", "ph.virtual_datacenter", "m.state").
Having("ph.vm_slots > COUNT(v.physical_host_id)")
if req.Slots > 0 {
// In the worst case, each host with at least one available VM slot has only one available VM slot.
// Set the limit to assume the worst and refine the result later.
stmt = stmt.Limit(uint64(req.Slots))
}
stmt = selectInString(stmt, "pl.manufacturer", req.Manufacturers)
stmt = selectInString(stmt, "ph.virtual_datacenter", req.VirtualDatacenters)
stmt = selectInState(stmt, "m.state", req.States)
query, args, err := stmt.ToSql()
if err != nil {
return nil, errors.Annotate(err, "failed to generate statement").Err()
}
rows, err := q.QueryContext(c, query, args...)
if err != nil {
return nil, errors.Annotate(err, "failed to fetch VM slots").Err()
}
defer rows.Close()
var hosts []*crimson.PhysicalHost
var slots int32
for rows.Next() && (slots < req.Slots || req.Slots < 1) {
h := &crimson.PhysicalHost{}
if err = rows.Scan(
&h.Name,
&h.Vlan,
&h.VmSlots,
&h.VirtualDatacenter,
&h.State,
); err != nil {
return nil, errors.Annotate(err, "failed to fetch VM slots").Err()
}
hosts = append(hosts, h)
slots += h.VmSlots
}
return hosts, nil
} | go | func findVMSlots(c context.Context, q database.QueryerContext, req *crimson.FindVMSlotsRequest) ([]*crimson.PhysicalHost, error) {
stmt := squirrel.Select("h.name", "h.vlan_id", "ph.vm_slots - COUNT(v.physical_host_id)", "ph.virtual_datacenter", "m.state").
From("(physical_hosts ph, hostnames h, machines m)")
if len(req.Manufacturers) > 0 {
stmt = stmt.Join("platforms pl ON m.platform_id = pl.id")
}
stmt = stmt.LeftJoin("vms v on v.physical_host_id = ph.id").
Where("ph.hostname_id = h.id").
Where("ph.vm_slots > 0").
Where("ph.machine_id = m.id").
GroupBy("h.name", "h.vlan_id", "ph.vm_slots", "ph.virtual_datacenter", "m.state").
Having("ph.vm_slots > COUNT(v.physical_host_id)")
if req.Slots > 0 {
// In the worst case, each host with at least one available VM slot has only one available VM slot.
// Set the limit to assume the worst and refine the result later.
stmt = stmt.Limit(uint64(req.Slots))
}
stmt = selectInString(stmt, "pl.manufacturer", req.Manufacturers)
stmt = selectInString(stmt, "ph.virtual_datacenter", req.VirtualDatacenters)
stmt = selectInState(stmt, "m.state", req.States)
query, args, err := stmt.ToSql()
if err != nil {
return nil, errors.Annotate(err, "failed to generate statement").Err()
}
rows, err := q.QueryContext(c, query, args...)
if err != nil {
return nil, errors.Annotate(err, "failed to fetch VM slots").Err()
}
defer rows.Close()
var hosts []*crimson.PhysicalHost
var slots int32
for rows.Next() && (slots < req.Slots || req.Slots < 1) {
h := &crimson.PhysicalHost{}
if err = rows.Scan(
&h.Name,
&h.Vlan,
&h.VmSlots,
&h.VirtualDatacenter,
&h.State,
); err != nil {
return nil, errors.Annotate(err, "failed to fetch VM slots").Err()
}
hosts = append(hosts, h)
slots += h.VmSlots
}
return hosts, nil
} | [
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"}",
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"return",
"hosts",
",",
"nil",
"\n",
"}"
] | // findVMSlots returns a slice of physical hosts with available VM slots in the database. | [
"findVMSlots",
"returns",
"a",
"slice",
"of",
"physical",
"hosts",
"with",
"available",
"VM",
"slots",
"in",
"the",
"database",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/appengine/rpc/vm_slots.go#L40-L86 |
7,926 | luci/luci-go | vpython/run.go | Exec | func Exec(c context.Context, interp *python.Interpreter, cl *python.CommandLine, env environ.Env, dir string, setupFn func() error) error {
// Don't use cl.SetIsolatedFlags here, because they include -B and -E, which
// both turn off commonly-used aspects of the python interpreter. We do set
// '-s' though, because we don't want vpython to pick up the user's site
// directory by default (to maintain some semblance of isolation).
cl = cl.Clone()
cl.AddSingleFlag("s")
argv := append([]string{interp.Python}, cl.BuildArgs()...)
logging.Debugf(c, "Exec Python command: %#v", argv)
return execImpl(c, argv, env, dir, nil)
} | go | func Exec(c context.Context, interp *python.Interpreter, cl *python.CommandLine, env environ.Env, dir string, setupFn func() error) error {
// Don't use cl.SetIsolatedFlags here, because they include -B and -E, which
// both turn off commonly-used aspects of the python interpreter. We do set
// '-s' though, because we don't want vpython to pick up the user's site
// directory by default (to maintain some semblance of isolation).
cl = cl.Clone()
cl.AddSingleFlag("s")
argv := append([]string{interp.Python}, cl.BuildArgs()...)
logging.Debugf(c, "Exec Python command: %#v", argv)
return execImpl(c, argv, env, dir, nil)
} | [
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//
// Once the process launches, Context cancellation will not have an impact.
//
// interp is the Python interperer to run.
//
// cl is the populated CommandLine to run.
//
// env is the environment to install.
//
// dir, if not empty, is the working directory of the command.
//
// setupFn, if not nil, is a function that will be run immediately before
// execution, after all operations that are permitted to fail have completed.
// Any error returned here will result in a panic.
//
// If an error occurs during execution, it will be returned here. Otherwise,
// Exec will not return, and this process will exit with the return code of the
// executed process.
//
// The implementation of Exec is platform-specific. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/vpython/run.go#L105-L116 |
7,927 | luci/luci-go | tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go | MintOAuthTokenGrant | func (r *MintOAuthTokenGrantRPC) MintOAuthTokenGrant(c context.Context, req *minter.MintOAuthTokenGrantRequest) (*minter.MintOAuthTokenGrantResponse, error) {
state := auth.GetState(c)
// Don't allow delegation tokens here to reduce total number of possible
// scenarios. Proxies aren't expected to use delegation for these tokens.
callerID := state.User().Identity
if callerID != state.PeerIdentity() {
logging.Errorf(c, "Trying to use delegation, it's forbidden")
return nil, status.Errorf(codes.PermissionDenied, "delegation is forbidden for this API call")
}
// Check that the request is allowed by the rules, fill in defaults.
rule, err := r.validateRequest(c, req, callerID)
if err != nil {
return nil, err // the error is already logged
}
if req.ValidityDuration == 0 {
if rule.Rule.MaxGrantValidityDuration > 3600 {
req.ValidityDuration = 3600
} else {
req.ValidityDuration = rule.Rule.MaxGrantValidityDuration
}
}
// Grab a string that identifies token server version. This almost always
// just hits local memory cache.
serviceVer, err := utils.ServiceVersion(c, r.Signer)
if err != nil {
return nil, status.Errorf(codes.Internal, "can't grab service version - %s", err)
}
// Generate and sign the token.
var resp *minter.MintOAuthTokenGrantResponse
var body *tokenserver.OAuthTokenGrantBody
p := mintParams{
serviceAccount: req.ServiceAccount,
proxyID: callerID,
endUserID: identity.Identity(req.EndUser), // already validated
validityDuration: req.ValidityDuration,
serviceVer: serviceVer,
}
if r.mintMock != nil {
resp, body, err = r.mintMock(c, &p)
} else {
resp, body, err = r.mint(c, &p)
}
if err != nil {
return nil, err
}
// Log it to BigQuery.
if r.LogGrant != nil {
// Errors during logging are considered not fatal. bqlog library has
// a monitoring counter that tracks number of errors, so they are not
// totally invisible.
info := MintedGrantInfo{
Request: req,
Response: resp,
GrantBody: body,
ConfigRev: rule.Revision,
Rule: rule.Rule,
PeerIP: state.PeerIP(),
RequestID: info.RequestID(c),
AuthDBRev: authdb.Revision(state.DB()),
}
if logErr := r.LogGrant(c, &info); logErr != nil {
logging.WithError(logErr).Errorf(c, "Failed to insert the grant token into the BigQuery log")
}
}
return resp, nil
} | go | func (r *MintOAuthTokenGrantRPC) MintOAuthTokenGrant(c context.Context, req *minter.MintOAuthTokenGrantRequest) (*minter.MintOAuthTokenGrantResponse, error) {
state := auth.GetState(c)
// Don't allow delegation tokens here to reduce total number of possible
// scenarios. Proxies aren't expected to use delegation for these tokens.
callerID := state.User().Identity
if callerID != state.PeerIdentity() {
logging.Errorf(c, "Trying to use delegation, it's forbidden")
return nil, status.Errorf(codes.PermissionDenied, "delegation is forbidden for this API call")
}
// Check that the request is allowed by the rules, fill in defaults.
rule, err := r.validateRequest(c, req, callerID)
if err != nil {
return nil, err // the error is already logged
}
if req.ValidityDuration == 0 {
if rule.Rule.MaxGrantValidityDuration > 3600 {
req.ValidityDuration = 3600
} else {
req.ValidityDuration = rule.Rule.MaxGrantValidityDuration
}
}
// Grab a string that identifies token server version. This almost always
// just hits local memory cache.
serviceVer, err := utils.ServiceVersion(c, r.Signer)
if err != nil {
return nil, status.Errorf(codes.Internal, "can't grab service version - %s", err)
}
// Generate and sign the token.
var resp *minter.MintOAuthTokenGrantResponse
var body *tokenserver.OAuthTokenGrantBody
p := mintParams{
serviceAccount: req.ServiceAccount,
proxyID: callerID,
endUserID: identity.Identity(req.EndUser), // already validated
validityDuration: req.ValidityDuration,
serviceVer: serviceVer,
}
if r.mintMock != nil {
resp, body, err = r.mintMock(c, &p)
} else {
resp, body, err = r.mint(c, &p)
}
if err != nil {
return nil, err
}
// Log it to BigQuery.
if r.LogGrant != nil {
// Errors during logging are considered not fatal. bqlog library has
// a monitoring counter that tracks number of errors, so they are not
// totally invisible.
info := MintedGrantInfo{
Request: req,
Response: resp,
GrantBody: body,
ConfigRev: rule.Revision,
Rule: rule.Rule,
PeerIP: state.PeerIP(),
RequestID: info.RequestID(c),
AuthDBRev: authdb.Revision(state.DB()),
}
if logErr := r.LogGrant(c, &info); logErr != nil {
logging.WithError(logErr).Errorf(c, "Failed to insert the grant token into the BigQuery log")
}
}
return resp, nil
} | [
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] | // MintOAuthTokenGrant produces new OAuth token grant. | [
"MintOAuthTokenGrant",
"produces",
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"OAuth",
"token",
"grant",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go#L62-L133 |
7,928 | luci/luci-go | tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go | validateRequest | func (r *MintOAuthTokenGrantRPC) validateRequest(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) (*Rule, error) {
// Dump the whole request and relevant auth state to the debug log.
r.logRequest(c, req, caller)
// Reject obviously bad requests.
if err := r.checkRequestFormat(req); err != nil {
logging.WithError(err).Errorf(c, "Bad request")
return nil, status.Errorf(codes.InvalidArgument, "bad request - %s", err)
}
// TODO(vadimsh): Verify that this user is present by requiring the end user's
// credentials, e.g make Swarming forward user's OAuth token to the token
// server, so it can be validated here.
// Check that requested usage is allowed and grab the corresponding rule.
return r.checkRules(c, req, caller)
} | go | func (r *MintOAuthTokenGrantRPC) validateRequest(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) (*Rule, error) {
// Dump the whole request and relevant auth state to the debug log.
r.logRequest(c, req, caller)
// Reject obviously bad requests.
if err := r.checkRequestFormat(req); err != nil {
logging.WithError(err).Errorf(c, "Bad request")
return nil, status.Errorf(codes.InvalidArgument, "bad request - %s", err)
}
// TODO(vadimsh): Verify that this user is present by requiring the end user's
// credentials, e.g make Swarming forward user's OAuth token to the token
// server, so it can be validated here.
// Check that requested usage is allowed and grab the corresponding rule.
return r.checkRules(c, req, caller)
} | [
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] | // validateRequest checks that the request is allowed.
//
// Returns corresponding config rule on success or a grpc error on error. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go#L138-L154 |
7,929 | luci/luci-go | tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go | logRequest | func (r *MintOAuthTokenGrantRPC) logRequest(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) {
if !logging.IsLogging(c, logging.Debug) {
return
}
m := jsonpb.Marshaler{Indent: " "}
dump, _ := m.MarshalToString(req)
logging.Debugf(c, "Identity: %s", caller)
logging.Debugf(c, "MintOAuthTokenGrantRequest:\n%s", dump)
} | go | func (r *MintOAuthTokenGrantRPC) logRequest(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) {
if !logging.IsLogging(c, logging.Debug) {
return
}
m := jsonpb.Marshaler{Indent: " "}
dump, _ := m.MarshalToString(req)
logging.Debugf(c, "Identity: %s", caller)
logging.Debugf(c, "MintOAuthTokenGrantRequest:\n%s", dump)
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go#L157-L165 |
7,930 | luci/luci-go | tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go | checkRequestFormat | func (r *MintOAuthTokenGrantRPC) checkRequestFormat(req *minter.MintOAuthTokenGrantRequest) error {
switch {
case req.ServiceAccount == "":
return fmt.Errorf("service_account is required")
case req.ValidityDuration < 0:
return fmt.Errorf("validity_duration must be positive, not %d", req.ValidityDuration)
case req.EndUser == "":
return fmt.Errorf("end_user is required")
}
if _, err := identity.MakeIdentity(req.EndUser); err != nil {
return fmt.Errorf("bad end_user - %s", err)
}
if err := utils.ValidateTags(req.AuditTags); err != nil {
return fmt.Errorf("bad audit_tags - %s", err)
}
return nil
} | go | func (r *MintOAuthTokenGrantRPC) checkRequestFormat(req *minter.MintOAuthTokenGrantRequest) error {
switch {
case req.ServiceAccount == "":
return fmt.Errorf("service_account is required")
case req.ValidityDuration < 0:
return fmt.Errorf("validity_duration must be positive, not %d", req.ValidityDuration)
case req.EndUser == "":
return fmt.Errorf("end_user is required")
}
if _, err := identity.MakeIdentity(req.EndUser); err != nil {
return fmt.Errorf("bad end_user - %s", err)
}
if err := utils.ValidateTags(req.AuditTags); err != nil {
return fmt.Errorf("bad audit_tags - %s", err)
}
return nil
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go#L168-L184 |
7,931 | luci/luci-go | tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go | checkRules | func (r *MintOAuthTokenGrantRPC) checkRules(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) (*Rule, error) {
rules, err := r.Rules(c)
if err != nil {
logging.WithError(err).Errorf(c, "Failed to load service accounts rules")
return nil, status.Errorf(codes.Internal, "failed to load service accounts rules")
}
rule, err := rules.Check(c, &RulesQuery{
ServiceAccount: req.ServiceAccount,
Proxy: caller,
EndUser: identity.Identity(req.EndUser),
})
if err != nil {
return nil, err // it is already gRPC error, and it's already logged
}
// ValidityDuration check is specific to this RPC, it's not done by 'Check'.
if req.ValidityDuration > rule.Rule.MaxGrantValidityDuration {
logging.Errorf(c, "Requested validity is larger than max allowed: %d > %d", req.ValidityDuration, rule.Rule.MaxGrantValidityDuration)
return nil, status.Errorf(codes.InvalidArgument, "per rule %q the validity duration should be <= %d", rule.Rule.Name, rule.Rule.MaxGrantValidityDuration)
}
// Note that AllowedScopes is checked later during MintOAuthTokenViaGrant.
// Here we don't even know what OAuth scopes will be requested.
return rule, nil
} | go | func (r *MintOAuthTokenGrantRPC) checkRules(c context.Context, req *minter.MintOAuthTokenGrantRequest, caller identity.Identity) (*Rule, error) {
rules, err := r.Rules(c)
if err != nil {
logging.WithError(err).Errorf(c, "Failed to load service accounts rules")
return nil, status.Errorf(codes.Internal, "failed to load service accounts rules")
}
rule, err := rules.Check(c, &RulesQuery{
ServiceAccount: req.ServiceAccount,
Proxy: caller,
EndUser: identity.Identity(req.EndUser),
})
if err != nil {
return nil, err // it is already gRPC error, and it's already logged
}
// ValidityDuration check is specific to this RPC, it's not done by 'Check'.
if req.ValidityDuration > rule.Rule.MaxGrantValidityDuration {
logging.Errorf(c, "Requested validity is larger than max allowed: %d > %d", req.ValidityDuration, rule.Rule.MaxGrantValidityDuration)
return nil, status.Errorf(codes.InvalidArgument, "per rule %q the validity duration should be <= %d", rule.Rule.Name, rule.Rule.MaxGrantValidityDuration)
}
// Note that AllowedScopes is checked later during MintOAuthTokenViaGrant.
// Here we don't even know what OAuth scopes will be requested.
return rule, nil
} | [
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"}"
] | // checkRules verifies the requested token is allowed by the rules.
//
// Returns the matching rule or a grpc error. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/tokenserver/appengine/impl/serviceaccounts/rpc_mint_oauth_token_grant.go#L189-L215 |
7,932 | luci/luci-go | common/logging/exported.go | SetError | func SetError(c context.Context, err error) context.Context {
return SetField(c, ErrorKey, err)
} | go | func SetError(c context.Context, err error) context.Context {
return SetField(c, ErrorKey, err)
} | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/logging/exported.go#L20-L22 |
7,933 | luci/luci-go | common/logging/exported.go | IsLogging | func IsLogging(c context.Context, l Level) bool {
return l >= GetLevel(c)
} | go | func IsLogging(c context.Context, l Level) bool {
return l >= GetLevel(c)
} | [
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")",
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"}"
] | // IsLogging tests whether the context is configured to log at the specified
// level.
//
// Individual Logger implementations are supposed to call this function when
// deciding whether to log the message. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/logging/exported.go#L29-L31 |
7,934 | luci/luci-go | common/logging/exported.go | Logf | func Logf(c context.Context, l Level, fmt string, args ...interface{}) {
Get(c).LogCall(l, 1, fmt, args)
} | go | func Logf(c context.Context, l Level, fmt string, args ...interface{}) {
Get(c).LogCall(l, 1, fmt, args)
} | [
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] | // Logf is a shorthand method to call the current logger's logging method which
// corresponds to the supplied log level. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/logging/exported.go#L55-L57 |
7,935 | luci/luci-go | machine-db/client/cli/kvms.go | printKVMs | func printKVMs(tsv bool, kvms ...*crimson.KVM) {
if len(kvms) > 0 {
p := newStdoutPrinter(tsv)
defer p.Flush()
if !tsv {
p.Row("Name", "VLAN", "Platform", "Datacenter", "Rack", "Description", "MAC Address", "IP Address", "State")
}
for _, k := range kvms {
p.Row(k.Name, k.Vlan, k.Platform, k.Datacenter, k.Rack, k.Description, k.MacAddress, k.Ipv4, k.State)
}
}
} | go | func printKVMs(tsv bool, kvms ...*crimson.KVM) {
if len(kvms) > 0 {
p := newStdoutPrinter(tsv)
defer p.Flush()
if !tsv {
p.Row("Name", "VLAN", "Platform", "Datacenter", "Rack", "Description", "MAC Address", "IP Address", "State")
}
for _, k := range kvms {
p.Row(k.Name, k.Vlan, k.Platform, k.Datacenter, k.Rack, k.Description, k.MacAddress, k.Ipv4, k.State)
}
}
} | [
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] | // printKVMs prints KVM data to stdout in tab-separated columns. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/client/cli/kvms.go#L28-L39 |
7,936 | luci/luci-go | machine-db/client/cli/kvms.go | Run | func (c *GetKVMsCmd) Run(app subcommands.Application, args []string, env subcommands.Env) int {
ctx := cli.GetContext(app, c, env)
client := getClient(ctx)
resp, err := client.ListKVMs(ctx, &c.req)
if err != nil {
errors.Log(ctx, err)
return 1
}
printKVMs(c.f.tsv, resp.Kvms...)
return 0
} | go | func (c *GetKVMsCmd) Run(app subcommands.Application, args []string, env subcommands.Env) int {
ctx := cli.GetContext(app, c, env)
client := getClient(ctx)
resp, err := client.ListKVMs(ctx, &c.req)
if err != nil {
errors.Log(ctx, err)
return 1
}
printKVMs(c.f.tsv, resp.Kvms...)
return 0
} | [
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"}"
] | // Run runs the command to get KVMs. | [
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"runs",
"the",
"command",
"to",
"get",
"KVMs",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/client/cli/kvms.go#L48-L58 |
7,937 | luci/luci-go | machine-db/client/cli/kvms.go | getKVMsCmd | func getKVMsCmd(params *Parameters) *subcommands.Command {
return &subcommands.Command{
UsageLine: "get-kvms [-name <name>]... [-vlan <id>]... [-plat <platform>]... [-rack <rack>]... [-dc <datacenter>]... [-mac <mac address>]... [-ip <ip address>]... [-state <state>]...",
ShortDesc: "retrieves KVMs",
LongDesc: "Retrieves KVMs matching the given filters, or all KVMs if filters are omitted.\n\nExample to get all KVMs:\ncrimson get-kvms\nExample to get KVMs in rack xx1:\ncrimson get-kvms -rack xx1",
CommandRun: func() subcommands.CommandRun {
cmd := &GetKVMsCmd{}
cmd.Initialize(params)
cmd.Flags.Var(flag.StringSlice(&cmd.req.Names), "name", "Name of a KVM to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.Int64Slice(&cmd.req.Vlans), "vlan", "ID of a VLAN to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Platforms), "plat", "Name of a platform to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Racks), "rack", "Name of a rack to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Datacenters), "dc", "Name of a datacenter to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.MacAddresses), "mac", "MAC address to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Ipv4S), "ip", "IPv4 address to filter by. Can be specified multiple times.")
cmd.Flags.Var(StateSliceFlag(&cmd.req.States), "state", "State to filter by. Can be specified multiple times.")
return cmd
},
}
} | go | func getKVMsCmd(params *Parameters) *subcommands.Command {
return &subcommands.Command{
UsageLine: "get-kvms [-name <name>]... [-vlan <id>]... [-plat <platform>]... [-rack <rack>]... [-dc <datacenter>]... [-mac <mac address>]... [-ip <ip address>]... [-state <state>]...",
ShortDesc: "retrieves KVMs",
LongDesc: "Retrieves KVMs matching the given filters, or all KVMs if filters are omitted.\n\nExample to get all KVMs:\ncrimson get-kvms\nExample to get KVMs in rack xx1:\ncrimson get-kvms -rack xx1",
CommandRun: func() subcommands.CommandRun {
cmd := &GetKVMsCmd{}
cmd.Initialize(params)
cmd.Flags.Var(flag.StringSlice(&cmd.req.Names), "name", "Name of a KVM to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.Int64Slice(&cmd.req.Vlans), "vlan", "ID of a VLAN to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Platforms), "plat", "Name of a platform to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Racks), "rack", "Name of a rack to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Datacenters), "dc", "Name of a datacenter to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.MacAddresses), "mac", "MAC address to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Ipv4S), "ip", "IPv4 address to filter by. Can be specified multiple times.")
cmd.Flags.Var(StateSliceFlag(&cmd.req.States), "state", "State to filter by. Can be specified multiple times.")
return cmd
},
}
} | [
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",",
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")",
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"}",
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"}",
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"}"
] | // getKVMsCmd returns a command to get KVMs. | [
"getKVMsCmd",
"returns",
"a",
"command",
"to",
"get",
"KVMs",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/client/cli/kvms.go#L61-L80 |
7,938 | luci/luci-go | auth/internal/disk_cache.go | readCacheFile | func (c *DiskTokenCache) readCacheFile() (*cacheFile, error) {
// Minimize the time the file is locked on Windows by reading it all at once
// and decoding later.
//
// We also need to open it with FILE_SHARE_DELETE sharing mode to allow
// writeCacheFile() below to replace open files (even though it tries to wait
// for the file to be closed). For some reason, omitting FILE_SHARE_DELETE
// flag causes random sharing violation errors when opening the file for
// reading.
f, err := openSharedDelete(c.absPath())
switch {
case os.IsNotExist(err):
return &cacheFile{}, nil
case err != nil:
return nil, err
}
blob, err := ioutil.ReadAll(f)
f.Close()
if err != nil {
return nil, err
}
cache := &cacheFile{}
if err := json.Unmarshal(blob, cache); err != nil {
// If the cache file got broken somehow, it makes sense to treat it as
// empty (so it can later be overwritten), since it's unlikely it's going
// to "fix itself".
logging.WithError(err).Warningf(c.Context, "The token cache %s is broken", c.absPath())
return &cacheFile{}, nil
}
return cache, nil
} | go | func (c *DiskTokenCache) readCacheFile() (*cacheFile, error) {
// Minimize the time the file is locked on Windows by reading it all at once
// and decoding later.
//
// We also need to open it with FILE_SHARE_DELETE sharing mode to allow
// writeCacheFile() below to replace open files (even though it tries to wait
// for the file to be closed). For some reason, omitting FILE_SHARE_DELETE
// flag causes random sharing violation errors when opening the file for
// reading.
f, err := openSharedDelete(c.absPath())
switch {
case os.IsNotExist(err):
return &cacheFile{}, nil
case err != nil:
return nil, err
}
blob, err := ioutil.ReadAll(f)
f.Close()
if err != nil {
return nil, err
}
cache := &cacheFile{}
if err := json.Unmarshal(blob, cache); err != nil {
// If the cache file got broken somehow, it makes sense to treat it as
// empty (so it can later be overwritten), since it's unlikely it's going
// to "fix itself".
logging.WithError(err).Warningf(c.Context, "The token cache %s is broken", c.absPath())
return &cacheFile{}, nil
}
return cache, nil
} | [
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")",
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"}",
"\n\n",
"return",
"cache",
",",
"nil",
"\n",
"}"
] | // readCacheFile loads the file with cached tokens. | [
"readCacheFile",
"loads",
"the",
"file",
"with",
"cached",
"tokens",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/auth/internal/disk_cache.go#L109-L141 |
7,939 | luci/luci-go | server/portal/handlers.go | replyError | func replyError(c context.Context, rw http.ResponseWriter, err error) {
if transient.Tag.In(err) {
rw.WriteHeader(http.StatusInternalServerError)
} else {
rw.WriteHeader(http.StatusBadRequest)
}
templates.MustRender(c, rw, "pages/error.html", templates.Args{
"Error": err.Error(),
})
} | go | func replyError(c context.Context, rw http.ResponseWriter, err error) {
if transient.Tag.In(err) {
rw.WriteHeader(http.StatusInternalServerError)
} else {
rw.WriteHeader(http.StatusBadRequest)
}
templates.MustRender(c, rw, "pages/error.html", templates.Args{
"Error": err.Error(),
})
} | [
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")",
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] | // replyError sends HTML error page with status 500 on transient errors or 400
// on fatal ones. | [
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"ones",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/server/portal/handlers.go#L94-L103 |
7,940 | luci/luci-go | machine-db/client/cli/vm_slots.go | printVMSlots | func printVMSlots(tsv bool, hosts ...*crimson.PhysicalHost) {
if len(hosts) > 0 {
p := newStdoutPrinter(tsv)
defer p.Flush()
if !tsv {
p.Row("Name", "VLAN", "VM Slots", "Virtual Datacenter", "State")
}
for _, h := range hosts {
p.Row(h.Name, h.Vlan, h.VmSlots, h.VirtualDatacenter, h.State)
}
}
} | go | func printVMSlots(tsv bool, hosts ...*crimson.PhysicalHost) {
if len(hosts) > 0 {
p := newStdoutPrinter(tsv)
defer p.Flush()
if !tsv {
p.Row("Name", "VLAN", "VM Slots", "Virtual Datacenter", "State")
}
for _, h := range hosts {
p.Row(h.Name, h.Vlan, h.VmSlots, h.VirtualDatacenter, h.State)
}
}
} | [
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"VirtualDatacenter",
",",
"h",
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"State",
")",
"\n",
"}",
"\n",
"}",
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"}"
] | // printVMSlots prints available VM slot data to stdout in tab-separated columns. | [
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"stdout",
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/client/cli/vm_slots.go#L28-L39 |
7,941 | luci/luci-go | machine-db/client/cli/vm_slots.go | getVMSlotsCmd | func getVMSlotsCmd(params *Parameters) *subcommands.Command {
return &subcommands.Command{
UsageLine: "get-slots -n <slots> [-man <manufacturer>]... [-vdc <virtual datacenter>]... [-state <state>]...",
ShortDesc: "retrieves available VM slots",
LongDesc: "Retrieves available VM slots.\n\nExample to get 5 free VM slots on Apple hardware:\ncrimson get-slots -n 5 -man apple",
CommandRun: func() subcommands.CommandRun {
cmd := &GetVMSlotsCmd{}
cmd.Initialize(params)
cmd.Flags.Var(flag.Int32(&cmd.req.Slots), "n", "The number of available VM slots to get.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Manufacturers), "man", "Manufacturer to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.VirtualDatacenters), "vdc", "Virtual datacenter to filter by. Can be specified multiple times.")
cmd.Flags.Var(StateSliceFlag(&cmd.req.States), "state", "State to filter by. Can be specified multiple times.")
return cmd
},
}
} | go | func getVMSlotsCmd(params *Parameters) *subcommands.Command {
return &subcommands.Command{
UsageLine: "get-slots -n <slots> [-man <manufacturer>]... [-vdc <virtual datacenter>]... [-state <state>]...",
ShortDesc: "retrieves available VM slots",
LongDesc: "Retrieves available VM slots.\n\nExample to get 5 free VM slots on Apple hardware:\ncrimson get-slots -n 5 -man apple",
CommandRun: func() subcommands.CommandRun {
cmd := &GetVMSlotsCmd{}
cmd.Initialize(params)
cmd.Flags.Var(flag.Int32(&cmd.req.Slots), "n", "The number of available VM slots to get.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.Manufacturers), "man", "Manufacturer to filter by. Can be specified multiple times.")
cmd.Flags.Var(flag.StringSlice(&cmd.req.VirtualDatacenters), "vdc", "Virtual datacenter to filter by. Can be specified multiple times.")
cmd.Flags.Var(StateSliceFlag(&cmd.req.States), "state", "State to filter by. Can be specified multiple times.")
return cmd
},
}
} | [
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")",
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"return",
"cmd",
"\n",
"}",
",",
"}",
"\n",
"}"
] | // getVMSlotsCmd returns a command to get available VM slots. | [
"getVMSlotsCmd",
"returns",
"a",
"command",
"to",
"get",
"available",
"VM",
"slots",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/machine-db/client/cli/vm_slots.go#L61-L76 |
7,942 | luci/luci-go | common/data/text/templateproto/loader.go | LoadFile | func LoadFile(data string) (file *File, err error) {
file = &File{}
if err = proto.UnmarshalTextML(data, file); err != nil {
return
}
err = file.Normalize()
return
} | go | func LoadFile(data string) (file *File, err error) {
file = &File{}
if err = proto.UnmarshalTextML(data, file); err != nil {
return
}
err = file.Normalize()
return
} | [
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"(",
")",
"\n",
"return",
"\n",
"}"
] | // LoadFile loads a File from a string containing the template text protobuf.
//
// Expects config.Interface to be in the context already. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/data/text/templateproto/loader.go#L26-L33 |
7,943 | luci/luci-go | common/data/text/templateproto/loader.go | RenderL | func (f *File) RenderL(templName string, params LiteralMap) (ret string, err error) {
spec := &Specifier{TemplateName: templName}
spec.Params, err = params.Convert()
if err != nil {
return
}
return f.Render(spec)
} | go | func (f *File) RenderL(templName string, params LiteralMap) (ret string, err error) {
spec := &Specifier{TemplateName: templName}
spec.Params, err = params.Convert()
if err != nil {
return
}
return f.Render(spec)
} | [
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"\n",
"}",
"\n",
"return",
"f",
".",
"Render",
"(",
"spec",
")",
"\n",
"}"
] | // RenderL renders a specified template with go literal arguments. | [
"RenderL",
"renders",
"a",
"specified",
"template",
"with",
"go",
"literal",
"arguments",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/data/text/templateproto/loader.go#L45-L52 |
7,944 | luci/luci-go | scheduler/appengine/internal/noop_trigger.go | NoopTrigger | func NoopTrigger(id, data string) Trigger {
return Trigger{
Id: id,
Payload: &Trigger_Noop{Noop: &api.NoopTrigger{Data: data}},
}
} | go | func NoopTrigger(id, data string) Trigger {
return Trigger{
Id: id,
Payload: &Trigger_Noop{Noop: &api.NoopTrigger{Data: data}},
}
} | [
"func",
"NoopTrigger",
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"api",
".",
"NoopTrigger",
"{",
"Data",
":",
"data",
"}",
"}",
",",
"}",
"\n",
"}"
] | // NoopTrigger constructs a noop trigger proto with given ID and data payload.
//
// No other fields are populated. | [
"NoopTrigger",
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/scheduler/appengine/internal/noop_trigger.go#L24-L29 |
7,945 | luci/luci-go | cipd/client/cli/friendly.go | optionalSiteRoot | func optionalSiteRoot(siteRoot string) (string, error) {
if siteRoot == "" {
cwd, err := os.Getwd()
if err != nil {
return "", err
}
siteRoot = findSiteRoot(cwd)
if siteRoot == "" {
return "", fmt.Errorf("directory %s is not in a site root, use 'init' to create one", cwd)
}
return siteRoot, nil
}
siteRoot, err := filepath.Abs(siteRoot)
if err != nil {
return "", err
}
if !isSiteRoot(siteRoot) {
return "", fmt.Errorf("directory %s doesn't look like a site root, use 'init' to create one", siteRoot)
}
return siteRoot, nil
} | go | func optionalSiteRoot(siteRoot string) (string, error) {
if siteRoot == "" {
cwd, err := os.Getwd()
if err != nil {
return "", err
}
siteRoot = findSiteRoot(cwd)
if siteRoot == "" {
return "", fmt.Errorf("directory %s is not in a site root, use 'init' to create one", cwd)
}
return siteRoot, nil
}
siteRoot, err := filepath.Abs(siteRoot)
if err != nil {
return "", err
}
if !isSiteRoot(siteRoot) {
return "", fmt.Errorf("directory %s doesn't look like a site root, use 'init' to create one", siteRoot)
}
return siteRoot, nil
} | [
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",",
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")",
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"}",
"\n",
"return",
"siteRoot",
",",
"nil",
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"}"
] | // optionalSiteRoot takes a path to a site root or an empty string. If some
// path is given, it normalizes it and ensures that it is indeed a site root
// directory. If empty string is given, it discovers a site root for current
// directory. | [
"optionalSiteRoot",
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L66-L86 |
7,946 | luci/luci-go | cipd/client/cli/friendly.go | read | func (c *installationSiteConfig) read(path string) error {
*c = installationSiteConfig{}
r, err := os.Open(path)
if err != nil {
return err
}
defer r.Close()
return json.NewDecoder(r).Decode(c)
} | go | func (c *installationSiteConfig) read(path string) error {
*c = installationSiteConfig{}
r, err := os.Open(path)
if err != nil {
return err
}
defer r.Close()
return json.NewDecoder(r).Decode(c)
} | [
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")",
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"}"
] | // read loads JSON from given path. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L110-L118 |
7,947 | luci/luci-go | cipd/client/cli/friendly.go | write | func (c *installationSiteConfig) write(path string) error {
blob, err := json.MarshalIndent(c, "", "\t")
if err != nil {
return err
}
return ioutil.WriteFile(path, blob, 0666)
} | go | func (c *installationSiteConfig) write(path string) error {
blob, err := json.MarshalIndent(c, "", "\t")
if err != nil {
return err
}
return ioutil.WriteFile(path, blob, 0666)
} | [
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")",
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"}"
] | // write dumps JSON to given path. | [
"write",
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"JSON",
"to",
"given",
"path",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L121-L127 |
7,948 | luci/luci-go | cipd/client/cli/friendly.go | readConfig | func readConfig(siteRoot string) (installationSiteConfig, error) {
path := filepath.Join(siteRoot, fs.SiteServiceDir, "config.json")
c := installationSiteConfig{}
if err := c.read(path); err != nil && !os.IsNotExist(err) {
return c, err
}
return c, nil
} | go | func readConfig(siteRoot string) (installationSiteConfig, error) {
path := filepath.Join(siteRoot, fs.SiteServiceDir, "config.json")
c := installationSiteConfig{}
if err := c.read(path); err != nil && !os.IsNotExist(err) {
return c, err
}
return c, nil
} | [
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"\n",
"}"
] | // readConfig reads config, returning default one if missing.
//
// The returned config may have ServiceURL set to "" due to previous buggy
// version of CIPD not setting it up correctly. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L133-L140 |
7,949 | luci/luci-go | cipd/client/cli/friendly.go | getInstallationSite | func getInstallationSite(siteRoot, defaultServiceURL string) (*installationSite, error) {
siteRoot, err := optionalSiteRoot(siteRoot)
if err != nil {
return nil, err
}
cfg, err := readConfig(siteRoot)
if err != nil {
return nil, err
}
if cfg.ServiceURL == "" {
cfg.ServiceURL = defaultServiceURL
}
return &installationSite{siteRoot, defaultServiceURL, &cfg, nil}, nil
} | go | func getInstallationSite(siteRoot, defaultServiceURL string) (*installationSite, error) {
siteRoot, err := optionalSiteRoot(siteRoot)
if err != nil {
return nil, err
}
cfg, err := readConfig(siteRoot)
if err != nil {
return nil, err
}
if cfg.ServiceURL == "" {
cfg.ServiceURL = defaultServiceURL
}
return &installationSite{siteRoot, defaultServiceURL, &cfg, nil}, nil
} | [
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] | // getInstallationSite finds site root directory, reads config and constructs
// installationSite object.
//
// If siteRoot is "", will find a site root based on the current directory,
// otherwise will use siteRoot. Doesn't create any new files or directories,
// just reads what's on disk. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L160-L173 |
7,950 | luci/luci-go | cipd/client/cli/friendly.go | initClient | func (site *installationSite) initClient(ctx context.Context, authFlags authcli.Flags) (err error) {
if site.client != nil {
return errors.New("client is already initialized")
}
clientOpts := clientOptions{
authFlags: authFlags,
serviceURL: site.cfg.ServiceURL,
cacheDir: site.cfg.CacheDir,
rootDir: site.siteRoot,
}
site.client, err = clientOpts.makeCIPDClient(ctx)
return err
} | go | func (site *installationSite) initClient(ctx context.Context, authFlags authcli.Flags) (err error) {
if site.client != nil {
return errors.New("client is already initialized")
}
clientOpts := clientOptions{
authFlags: authFlags,
serviceURL: site.cfg.ServiceURL,
cacheDir: site.cfg.CacheDir,
rootDir: site.siteRoot,
}
site.client, err = clientOpts.makeCIPDClient(ctx)
return err
} | [
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] | // initClient initializes cipd.Client to use to talk to backend.
//
// Can be called only once. Use it directly via site.client. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L223-L235 |
7,951 | luci/luci-go | cipd/client/cli/friendly.go | modifyConfig | func (site *installationSite) modifyConfig(cb func(cfg *installationSiteConfig) error) error {
path := filepath.Join(site.siteRoot, fs.SiteServiceDir, "config.json")
c := installationSiteConfig{}
if err := c.read(path); err != nil && !os.IsNotExist(err) {
return err
}
if err := cb(&c); err != nil {
return err
}
// Fix broken config that doesn't have ServiceURL set. It is required now.
if c.ServiceURL == "" {
c.ServiceURL = site.defaultServiceURL
}
return c.write(path)
} | go | func (site *installationSite) modifyConfig(cb func(cfg *installationSiteConfig) error) error {
path := filepath.Join(site.siteRoot, fs.SiteServiceDir, "config.json")
c := installationSiteConfig{}
if err := c.read(path); err != nil && !os.IsNotExist(err) {
return err
}
if err := cb(&c); err != nil {
return err
}
// Fix broken config that doesn't have ServiceURL set. It is required now.
if c.ServiceURL == "" {
c.ServiceURL = site.defaultServiceURL
}
return c.write(path)
} | [
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] | // modifyConfig reads config file, calls callback to mutate it, then writes
// it back. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L239-L253 |
7,952 | luci/luci-go | cipd/client/cli/friendly.go | installedPackages | func (site *installationSite) installedPackages(ctx context.Context) (map[string][]pinInfo, error) {
d := deployer.New(site.siteRoot)
allPins, err := d.FindDeployed(ctx)
if err != nil {
return nil, err
}
output := make(map[string][]pinInfo, len(allPins))
for subdir, pins := range allPins {
output[subdir] = make([]pinInfo, len(pins))
for i, pin := range pins {
cpy := pin
output[subdir][i] = pinInfo{
Pkg: pin.PackageName,
Pin: &cpy,
Tracking: site.cfg.TrackedVersions[pin.PackageName],
}
}
}
return output, nil
} | go | func (site *installationSite) installedPackages(ctx context.Context) (map[string][]pinInfo, error) {
d := deployer.New(site.siteRoot)
allPins, err := d.FindDeployed(ctx)
if err != nil {
return nil, err
}
output := make(map[string][]pinInfo, len(allPins))
for subdir, pins := range allPins {
output[subdir] = make([]pinInfo, len(pins))
for i, pin := range pins {
cpy := pin
output[subdir][i] = pinInfo{
Pkg: pin.PackageName,
Pin: &cpy,
Tracking: site.cfg.TrackedVersions[pin.PackageName],
}
}
}
return output, nil
} | [
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] | // installedPackages discovers versions of packages installed in the site.
//
// If pkgs is empty array, it returns list of all installed packages. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cli/friendly.go#L258-L278 |
7,953 | luci/luci-go | common/api/gitiles/rest.go | getRaw | func (c *client) getRaw(ctx context.Context, urlPath string, query url.Values) (http.Header, []byte, error) {
u := fmt.Sprintf("%s/%s", strings.TrimSuffix(c.BaseURL, "/"), strings.TrimPrefix(urlPath, "/"))
if query != nil {
u = fmt.Sprintf("%s?%s", u, query.Encode())
}
r, err := ctxhttp.Get(ctx, c.Client, u)
if err != nil {
return http.Header{}, []byte{}, transient.Tag.Apply(err)
}
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return r.Header, []byte{}, errors.Annotate(err, "could not read response body").Err()
}
switch r.StatusCode {
case http.StatusOK:
return r.Header, bytes.TrimPrefix(body, jsonPrefix), nil
case http.StatusTooManyRequests:
logging.Errorf(ctx, "Gitiles quota error.\nResponse headers: %v\nResponse body: %s",
r.Header, body)
return r.Header, body, status.Errorf(codes.ResourceExhausted, "insufficient Gitiles quota")
case http.StatusNotFound:
return r.Header, body, status.Errorf(codes.NotFound, "not found")
default:
logging.Errorf(ctx, "gitiles: unexpected HTTP %d response.\nResponse headers: %v\nResponse body: %s",
r.StatusCode,
r.Header, body)
return r.Header, body, status.Errorf(codes.Internal, "unexpected HTTP %d from Gitiles", r.StatusCode)
}
} | go | func (c *client) getRaw(ctx context.Context, urlPath string, query url.Values) (http.Header, []byte, error) {
u := fmt.Sprintf("%s/%s", strings.TrimSuffix(c.BaseURL, "/"), strings.TrimPrefix(urlPath, "/"))
if query != nil {
u = fmt.Sprintf("%s?%s", u, query.Encode())
}
r, err := ctxhttp.Get(ctx, c.Client, u)
if err != nil {
return http.Header{}, []byte{}, transient.Tag.Apply(err)
}
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return r.Header, []byte{}, errors.Annotate(err, "could not read response body").Err()
}
switch r.StatusCode {
case http.StatusOK:
return r.Header, bytes.TrimPrefix(body, jsonPrefix), nil
case http.StatusTooManyRequests:
logging.Errorf(ctx, "Gitiles quota error.\nResponse headers: %v\nResponse body: %s",
r.Header, body)
return r.Header, body, status.Errorf(codes.ResourceExhausted, "insufficient Gitiles quota")
case http.StatusNotFound:
return r.Header, body, status.Errorf(codes.NotFound, "not found")
default:
logging.Errorf(ctx, "gitiles: unexpected HTTP %d response.\nResponse headers: %v\nResponse body: %s",
r.StatusCode,
r.Header, body)
return r.Header, body, status.Errorf(codes.Internal, "unexpected HTTP %d from Gitiles", r.StatusCode)
}
} | [
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"}",
"\n",
"}"
] | // getRaw makes a raw HTTP get request and returns the header and body returned.
//
// In case of errors, getRaw translates the generic HTTP errors to grpc errors. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/api/gitiles/rest.go#L209-L243 |
7,954 | luci/luci-go | cipd/appengine/impl/model/events.go | FromProto | func (e *Event) FromProto(c context.Context, p *api.Event) *Event {
blob, err := proto.Marshal(p)
if err != nil {
panic(err)
}
e.Package = PackageKey(c, p.Package)
e.Event = blob
e.Kind = p.Kind
e.Who = p.Who
e.When = google.TimeFromProto(p.When).Sub(EventsEpoch).Nanoseconds()
if p.Instance != "" {
e.Instance = p.Instance
} else {
e.Instance = NoInstance
}
e.Ref = p.Ref
e.Tag = p.Tag
return e
} | go | func (e *Event) FromProto(c context.Context, p *api.Event) *Event {
blob, err := proto.Marshal(p)
if err != nil {
panic(err)
}
e.Package = PackageKey(c, p.Package)
e.Event = blob
e.Kind = p.Kind
e.Who = p.Who
e.When = google.TimeFromProto(p.When).Sub(EventsEpoch).Nanoseconds()
if p.Instance != "" {
e.Instance = p.Instance
} else {
e.Instance = NoInstance
}
e.Ref = p.Ref
e.Tag = p.Tag
return e
} | [
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] | // FromProto fills in the entity based on the proto message.
//
// Panics if the proto can't be serialized. This should never happen.
//
// Returns the entity itself for easier chaining. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/events.go#L96-L114 |
7,955 | luci/luci-go | cipd/appengine/impl/model/events.go | Emit | func (t *Events) Emit(e *api.Event) {
t.ev = append(t.ev, e)
} | go | func (t *Events) Emit(e *api.Event) {
t.ev = append(t.ev, e)
} | [
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//
// 'Who' and 'When' fields are populated in Flush using values from the context. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/events.go#L148-L150 |
7,956 | luci/luci-go | cipd/appengine/impl/model/events.go | EmitEvent | func EmitEvent(c context.Context, e *api.Event) error {
ev := Events{}
ev.Emit(e)
return ev.Flush(c)
} | go | func EmitEvent(c context.Context, e *api.Event) error {
ev := Events{}
ev.Emit(e)
return ev.Flush(c)
} | [
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//
// Prefer using Events to add multiple events at once. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/events.go#L189-L193 |
7,957 | luci/luci-go | cipd/appengine/impl/model/events.go | EmitMetadataEvents | func EmitMetadataEvents(c context.Context, before, after *api.PrefixMetadata) error {
if before.Prefix != after.Prefix {
panic(fmt.Sprintf("comparing metadata for different prefixes: %q != %q", before.Prefix, after.Prefix))
}
prefix := after.Prefix
prev := metadata.GetACLs(before)
next := metadata.GetACLs(after)
var granted []*api.PrefixMetadata_ACL
var revoked []*api.PrefixMetadata_ACL
for _, role := range sortedRoles {
if added := stringSetDiff(next[role], prev[role]); len(added) != 0 {
granted = append(granted, &api.PrefixMetadata_ACL{
Role: role,
Principals: added,
})
}
if removed := stringSetDiff(prev[role], next[role]); len(removed) != 0 {
revoked = append(revoked, &api.PrefixMetadata_ACL{
Role: role,
Principals: removed,
})
}
}
if len(granted) == 0 && len(revoked) == 0 {
return nil
}
return EmitEvent(c, &api.Event{
Kind: api.EventKind_PREFIX_ACL_CHANGED,
Package: prefix,
GrantedRole: granted,
RevokedRole: revoked,
})
} | go | func EmitMetadataEvents(c context.Context, before, after *api.PrefixMetadata) error {
if before.Prefix != after.Prefix {
panic(fmt.Sprintf("comparing metadata for different prefixes: %q != %q", before.Prefix, after.Prefix))
}
prefix := after.Prefix
prev := metadata.GetACLs(before)
next := metadata.GetACLs(after)
var granted []*api.PrefixMetadata_ACL
var revoked []*api.PrefixMetadata_ACL
for _, role := range sortedRoles {
if added := stringSetDiff(next[role], prev[role]); len(added) != 0 {
granted = append(granted, &api.PrefixMetadata_ACL{
Role: role,
Principals: added,
})
}
if removed := stringSetDiff(prev[role], next[role]); len(removed) != 0 {
revoked = append(revoked, &api.PrefixMetadata_ACL{
Role: role,
Principals: removed,
})
}
}
if len(granted) == 0 && len(revoked) == 0 {
return nil
}
return EmitEvent(c, &api.Event{
Kind: api.EventKind_PREFIX_ACL_CHANGED,
Package: prefix,
GrantedRole: granted,
RevokedRole: revoked,
})
} | [
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] | // EmitMetadataEvents compares two metadatum of a prefix and emits events for
// fields that have changed. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/events.go#L222-L259 |
7,958 | luci/luci-go | common/data/recordio/writer.go | WriteFrame | func WriteFrame(w io.Writer, frame []byte) (int, error) {
count, err := writeFrameHeader(w, uint64(len(frame)))
if err != nil {
return count, err
}
amount, err := w.Write(frame)
count += amount
if err != nil {
return count, err
}
return count, nil
} | go | func WriteFrame(w io.Writer, frame []byte) (int, error) {
count, err := writeFrameHeader(w, uint64(len(frame)))
if err != nil {
return count, err
}
amount, err := w.Write(frame)
count += amount
if err != nil {
return count, err
}
return count, nil
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/data/recordio/writer.go#L29-L42 |
7,959 | luci/luci-go | common/tsmon/iface.go | SetStore | func SetStore(c context.Context, s store.Store) {
GetState(c).SetStore(s)
} | go | func SetStore(c context.Context, s store.Store) {
GetState(c).SetStore(s)
} | [
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"(",
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"}"
] | // SetStore changes the global metric store. All metrics that were registered
// with the old store will be re-registered on the new store. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/tsmon/iface.go#L48-L50 |
7,960 | luci/luci-go | common/tsmon/iface.go | Initialize | func Initialize(c context.Context, m monitor.Monitor, s store.Store) {
state := GetState(c)
state.SetMonitor(m)
state.SetStore(s)
} | go | func Initialize(c context.Context, m monitor.Monitor, s store.Store) {
state := GetState(c)
state.SetMonitor(m)
state.SetStore(s)
} | [
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] | // Initialize configures the tsmon library with the given monitor and store. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/tsmon/iface.go#L126-L130 |
7,961 | luci/luci-go | common/tsmon/iface.go | newAuthenticator | func newAuthenticator(ctx context.Context, credentials, actAs string, scopes []string) *auth.Authenticator {
// TODO(vadimsh): Don't hardcode auth options here, pass them from outside
// somehow.
authOpts := chromeinfra.DefaultAuthOptions()
authOpts.ServiceAccountJSONPath = credentials
authOpts.Scopes = scopes
authOpts.ActAsServiceAccount = actAs
return auth.NewAuthenticator(ctx, auth.SilentLogin, authOpts)
} | go | func newAuthenticator(ctx context.Context, credentials, actAs string, scopes []string) *auth.Authenticator {
// TODO(vadimsh): Don't hardcode auth options here, pass them from outside
// somehow.
authOpts := chromeinfra.DefaultAuthOptions()
authOpts.ServiceAccountJSONPath = credentials
authOpts.Scopes = scopes
authOpts.ActAsServiceAccount = actAs
return auth.NewAuthenticator(ctx, auth.SilentLogin, authOpts)
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/common/tsmon/iface.go#L196-L204 |
7,962 | luci/luci-go | logdog/server/cmd/logdog_archivist/main.go | settingsUpdater | func settingsUpdater(c context.Context) {
for {
set := coordinator.GetSettings(c)
logging.Debugf(c, "updating settings: %v", set)
if batchSize != set.ArchivistBatchSize {
batchSize = set.ArchivistBatchSize
}
if leaseTime != set.ArchivistLeaseTime {
leaseTime = set.ArchivistLeaseTime
}
clock.Sleep(c, 5*time.Minute)
}
} | go | func settingsUpdater(c context.Context) {
for {
set := coordinator.GetSettings(c)
logging.Debugf(c, "updating settings: %v", set)
if batchSize != set.ArchivistBatchSize {
batchSize = set.ArchivistBatchSize
}
if leaseTime != set.ArchivistLeaseTime {
leaseTime = set.ArchivistLeaseTime
}
clock.Sleep(c, 5*time.Minute)
}
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/server/cmd/logdog_archivist/main.go#L182-L194 |
7,963 | luci/luci-go | logdog/server/cmd/logdog_archivist/main.go | GetSettingsLoader | func (a *application) GetSettingsLoader(acfg *svcconfig.Archivist) archivist.SettingsLoader {
serviceID := a.ServiceID()
return func(c context.Context, proj types.ProjectName) (*archivist.Settings, error) {
// Fold in our project-specific configuration, if valid.
pcfg, err := a.ProjectConfig(c, proj)
if err != nil {
log.Fields{
log.ErrorKey: err,
"project": proj,
}.Errorf(c, "Failed to fetch project configuration.")
return nil, err
}
indexParam := func(get func(ic *svcconfig.ArchiveIndexConfig) int32) int {
if ic := pcfg.ArchiveIndexConfig; ic != nil {
if v := get(ic); v > 0 {
return int(v)
}
}
if ic := acfg.ArchiveIndexConfig; ic != nil {
if v := get(ic); v > 0 {
return int(v)
}
}
return 0
}
// Load our base settings.
//
// Archival bases are:
// Staging: gs://<services:gs_staging_bucket>/<project-id>/...
// Archive: gs://<project:archive_gs_bucket>/<project-id>/...
st := archivist.Settings{
GSBase: gs.MakePath(pcfg.ArchiveGsBucket, "").Concat(serviceID),
GSStagingBase: gs.MakePath(acfg.GsStagingBucket, "").Concat(serviceID),
IndexStreamRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.StreamRange }),
IndexPrefixRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.PrefixRange }),
IndexByteRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.ByteRange }),
AlwaysRender: (acfg.RenderAllStreams || pcfg.RenderAllStreams),
}
// Fold project settings into loaded ones.
return &st, nil
}
} | go | func (a *application) GetSettingsLoader(acfg *svcconfig.Archivist) archivist.SettingsLoader {
serviceID := a.ServiceID()
return func(c context.Context, proj types.ProjectName) (*archivist.Settings, error) {
// Fold in our project-specific configuration, if valid.
pcfg, err := a.ProjectConfig(c, proj)
if err != nil {
log.Fields{
log.ErrorKey: err,
"project": proj,
}.Errorf(c, "Failed to fetch project configuration.")
return nil, err
}
indexParam := func(get func(ic *svcconfig.ArchiveIndexConfig) int32) int {
if ic := pcfg.ArchiveIndexConfig; ic != nil {
if v := get(ic); v > 0 {
return int(v)
}
}
if ic := acfg.ArchiveIndexConfig; ic != nil {
if v := get(ic); v > 0 {
return int(v)
}
}
return 0
}
// Load our base settings.
//
// Archival bases are:
// Staging: gs://<services:gs_staging_bucket>/<project-id>/...
// Archive: gs://<project:archive_gs_bucket>/<project-id>/...
st := archivist.Settings{
GSBase: gs.MakePath(pcfg.ArchiveGsBucket, "").Concat(serviceID),
GSStagingBase: gs.MakePath(acfg.GsStagingBucket, "").Concat(serviceID),
IndexStreamRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.StreamRange }),
IndexPrefixRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.PrefixRange }),
IndexByteRange: indexParam(func(ic *svcconfig.ArchiveIndexConfig) int32 { return ic.ByteRange }),
AlwaysRender: (acfg.RenderAllStreams || pcfg.RenderAllStreams),
}
// Fold project settings into loaded ones.
return &st, nil
}
} | [
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] | // GetSettingsLoader is an archivist.SettingsLoader implementation that merges
// global and project-specific settings.
//
// The resulting settings object will be verified by the Archivist. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/server/cmd/logdog_archivist/main.go#L266-L314 |
7,964 | luci/luci-go | logdog/server/cmd/logdog_archivist/main.go | main | func main() {
mathrand.SeedRandomly()
a := application{
Service: service.Service{
Name: "archivist",
DefaultAuthOptions: chromeinfra.DefaultAuthOptions(),
},
}
a.Run(context.Background(), a.runArchivist)
} | go | func main() {
mathrand.SeedRandomly()
a := application{
Service: service.Service{
Name: "archivist",
DefaultAuthOptions: chromeinfra.DefaultAuthOptions(),
},
}
a.Run(context.Background(), a.runArchivist)
} | [
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] | // Entry point. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/server/cmd/logdog_archivist/main.go#L317-L326 |
7,965 | luci/luci-go | dm/appengine/distributor/registry.go | WithRegistry | func WithRegistry(c context.Context, r Registry) context.Context {
if r == nil {
panic(errors.New("you may not use WithRegistry on a nil Registry"))
}
return context.WithValue(c, ®Key, r)
} | go | func WithRegistry(c context.Context, r Registry) context.Context {
if r == nil {
panic(errors.New("you may not use WithRegistry on a nil Registry"))
}
return context.WithValue(c, ®Key, r)
} | [
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] | // WithRegistry adds the registry to the Context. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/dm/appengine/distributor/registry.go#L38-L43 |
7,966 | luci/luci-go | dm/appengine/distributor/registry.go | GetRegistry | func GetRegistry(c context.Context) Registry {
ret, _ := c.Value(®Key).(Registry)
return ret
} | go | func GetRegistry(c context.Context) Registry {
ret, _ := c.Value(®Key).(Registry)
return ret
} | [
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] | // GetRegistry gets the registry from the Context. This will return nil if the
// Context does not contain a Registry. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/dm/appengine/distributor/registry.go#L47-L50 |
7,967 | luci/luci-go | dm/appengine/distributor/registry.go | NewRegistry | func NewRegistry(mapping FactoryMap, fFn FinishExecutionFn) Registry {
ret := ®istry{fFn, make(map[reflect.Type]Factory, len(mapping))}
add := func(p proto.Message, factory Factory) {
if factory == nil {
panic("factory is nil")
}
if p == nil {
panic("proto.Message is nil")
}
typ := reflect.TypeOf(p)
if _, ok := ret.data[typ]; ok {
panic(fmt.Errorf("trying to register %q twice", typ))
}
ret.data[typ] = factory
}
for p, f := range mapping {
add(p, f)
}
return ret
} | go | func NewRegistry(mapping FactoryMap, fFn FinishExecutionFn) Registry {
ret := ®istry{fFn, make(map[reflect.Type]Factory, len(mapping))}
add := func(p proto.Message, factory Factory) {
if factory == nil {
panic("factory is nil")
}
if p == nil {
panic("proto.Message is nil")
}
typ := reflect.TypeOf(p)
if _, ok := ret.data[typ]; ok {
panic(fmt.Errorf("trying to register %q twice", typ))
}
ret.data[typ] = factory
}
for p, f := range mapping {
add(p, f)
}
return ret
} | [
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] | // NewRegistry builds a new implementation of Registry configured to load
// configuration data from luci-config.
//
// The mapping should hold nil-ptrs of various config protos -> respective
// Factory. When loading from luci-config, when we see a given message type,
// we'll construct the distributor instance using the provided Factory. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/dm/appengine/distributor/registry.go#L81-L102 |
7,968 | luci/luci-go | dm/appengine/distributor/registry.go | loadConfig | func loadConfig(c context.Context, cfgName string) (ret *Config, err error) {
configSet := cfgclient.CurrentServiceConfigSet(c)
var (
distCfg distributor.Config
meta config.Meta
)
if err = cfgclient.Get(c, cfgclient.AsService, configSet, "distributors.cfg", textproto.Message(&distCfg), &meta); err != nil {
return
}
cfgVersion := meta.Revision
cfg, ok := distCfg.DistributorConfigs[cfgName]
if !ok {
err = fmt.Errorf("unknown distributor configuration: %q", cfgName)
return
}
if alias := cfg.GetAlias(); alias != nil {
cfg, ok = distCfg.DistributorConfigs[alias.OtherConfig]
if !ok {
err = fmt.Errorf("unknown distributor configuration: %q (via alias %q)", cfgName, alias.OtherConfig)
return
}
if cfg.GetAlias() != nil {
err = fmt.Errorf("too many levels of indirection for alias %q (points to alias %q)", cfgName, alias.OtherConfig)
return
}
}
dt := cfg.DistributorType
if dt == nil {
err = fmt.Errorf("blank or unrecognized distributor_type")
return
}
dVal := reflect.ValueOf(dt)
// All non-nil DistributorType's have a single field which is the actual oneof
// value.
implConfig := dVal.Elem().Field(0).Interface().(proto.Message)
ret = &Config{
info.DefaultVersionHostname(c),
cfgName,
cfgVersion,
implConfig,
}
return
} | go | func loadConfig(c context.Context, cfgName string) (ret *Config, err error) {
configSet := cfgclient.CurrentServiceConfigSet(c)
var (
distCfg distributor.Config
meta config.Meta
)
if err = cfgclient.Get(c, cfgclient.AsService, configSet, "distributors.cfg", textproto.Message(&distCfg), &meta); err != nil {
return
}
cfgVersion := meta.Revision
cfg, ok := distCfg.DistributorConfigs[cfgName]
if !ok {
err = fmt.Errorf("unknown distributor configuration: %q", cfgName)
return
}
if alias := cfg.GetAlias(); alias != nil {
cfg, ok = distCfg.DistributorConfigs[alias.OtherConfig]
if !ok {
err = fmt.Errorf("unknown distributor configuration: %q (via alias %q)", cfgName, alias.OtherConfig)
return
}
if cfg.GetAlias() != nil {
err = fmt.Errorf("too many levels of indirection for alias %q (points to alias %q)", cfgName, alias.OtherConfig)
return
}
}
dt := cfg.DistributorType
if dt == nil {
err = fmt.Errorf("blank or unrecognized distributor_type")
return
}
dVal := reflect.ValueOf(dt)
// All non-nil DistributorType's have a single field which is the actual oneof
// value.
implConfig := dVal.Elem().Field(0).Interface().(proto.Message)
ret = &Config{
info.DefaultVersionHostname(c),
cfgName,
cfgVersion,
implConfig,
}
return
} | [
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] | // loadConfig loads the named distributor configuration from luci-config,
// possibly using the in-memory or memcache version. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/dm/appengine/distributor/registry.go#L137-L184 |
7,969 | luci/luci-go | gce/appengine/rpc/memory/projects.go | Delete | func (srv *Projects) Delete(c context.Context, req *projects.DeleteRequest) (*empty.Empty, error) {
srv.cfg.Delete(req.GetId())
return &empty.Empty{}, nil
} | go | func (srv *Projects) Delete(c context.Context, req *projects.DeleteRequest) (*empty.Empty, error) {
srv.cfg.Delete(req.GetId())
return &empty.Empty{}, nil
} | [
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] | // Delete handles a request to delete a project. | [
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"project",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/gce/appengine/rpc/memory/projects.go#L39-L42 |
7,970 | luci/luci-go | logdog/client/butler/output/pubsub/pubsubOutput.go | New | func New(ctx context.Context, c Config) output.Output {
o := pubSubOutput{
Config: &c,
}
o.bufferPool.New = func() interface{} { return &buffer{} }
if c.Track {
o.et = &output.EntryTracker{}
}
o.Context = log.SetField(ctx, "pubsub", &o)
return &o
} | go | func New(ctx context.Context, c Config) output.Output {
o := pubSubOutput{
Config: &c,
}
o.bufferPool.New = func() interface{} { return &buffer{} }
if c.Track {
o.et = &output.EntryTracker{}
}
o.Context = log.SetField(ctx, "pubsub", &o)
return &o
} | [
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] | // New instantiates a new GCPS output. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/output/pubsub/pubsubOutput.go#L93-L105 |
7,971 | luci/luci-go | logdog/client/butler/output/pubsub/pubsubOutput.go | publishMessage | func (o *pubSubOutput) publishMessage(message *pubsub.Message) error {
var messageID string
transientErrors := 0
err := retry.Retry(o, transient.Only(indefiniteRetry), func() (err error) {
ctx := o.Context
if o.RPCTimeout > 0 {
var cancelFunc context.CancelFunc
ctx, cancelFunc = clock.WithTimeout(o, o.RPCTimeout)
defer cancelFunc()
}
messageID, err = o.Topic.Publish(ctx, message)
if err == context.DeadlineExceeded {
// If we hit our publish deadline, retry.
err = transient.Tag.Apply(err)
} else {
err = grpcutil.WrapIfTransient(err)
}
return
}, func(err error, d time.Duration) {
log.Fields{
log.ErrorKey: err,
"delay": d,
}.Warningf(o, "TRANSIENT error publishing messages; retrying...")
transientErrors++
})
if err != nil {
log.WithError(err).Errorf(o, "Failed to send PubSub message.")
return err
}
if transientErrors > 0 {
// We successfully published, but we hit a transient error, so explicitly
// acknowledge this at warning-level for log message closure.
log.Fields{
"messageId": messageID,
"transientErrors": transientErrors,
}.Warningf(o, "Successfully published messages after transient errors.")
} else {
log.Fields{
"messageId": messageID,
}.Debugf(o, "Published messages.")
}
return nil
} | go | func (o *pubSubOutput) publishMessage(message *pubsub.Message) error {
var messageID string
transientErrors := 0
err := retry.Retry(o, transient.Only(indefiniteRetry), func() (err error) {
ctx := o.Context
if o.RPCTimeout > 0 {
var cancelFunc context.CancelFunc
ctx, cancelFunc = clock.WithTimeout(o, o.RPCTimeout)
defer cancelFunc()
}
messageID, err = o.Topic.Publish(ctx, message)
if err == context.DeadlineExceeded {
// If we hit our publish deadline, retry.
err = transient.Tag.Apply(err)
} else {
err = grpcutil.WrapIfTransient(err)
}
return
}, func(err error, d time.Duration) {
log.Fields{
log.ErrorKey: err,
"delay": d,
}.Warningf(o, "TRANSIENT error publishing messages; retrying...")
transientErrors++
})
if err != nil {
log.WithError(err).Errorf(o, "Failed to send PubSub message.")
return err
}
if transientErrors > 0 {
// We successfully published, but we hit a transient error, so explicitly
// acknowledge this at warning-level for log message closure.
log.Fields{
"messageId": messageID,
"transientErrors": transientErrors,
}.Warningf(o, "Successfully published messages after transient errors.")
} else {
log.Fields{
"messageId": messageID,
}.Debugf(o, "Published messages.")
}
return nil
} | [
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] | // publishMessage handles an individual publish request. It will indefinitely
// retry transient errors until the publish succeeds. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/output/pubsub/pubsubOutput.go#L205-L249 |
7,972 | luci/luci-go | logdog/client/butler/output/pubsub/pubsubOutput.go | indefiniteRetry | func indefiniteRetry() retry.Iterator {
return &retry.ExponentialBackoff{
Limited: retry.Limited{
Retries: -1,
Delay: 500 * time.Millisecond,
},
MaxDelay: 30 * time.Second,
}
} | go | func indefiniteRetry() retry.Iterator {
return &retry.ExponentialBackoff{
Limited: retry.Limited{
Retries: -1,
Delay: 500 * time.Millisecond,
},
MaxDelay: 30 * time.Second,
}
} | [
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] | // indefiniteRetry is a retry.Iterator that will indefinitely retry errors with
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/output/pubsub/pubsubOutput.go#L260-L268 |
7,973 | luci/luci-go | logdog/client/butler/butler.go | Validate | func (c *Config) Validate() error {
if c.Output == nil {
return errors.New("butler: an Output must be supplied")
}
if err := c.Project.Validate(); err != nil {
return fmt.Errorf("invalid project: %v", err)
}
if err := c.Prefix.Validate(); err != nil {
return fmt.Errorf("invalid prefix: %v", err)
}
return nil
} | go | func (c *Config) Validate() error {
if c.Output == nil {
return errors.New("butler: an Output must be supplied")
}
if err := c.Project.Validate(); err != nil {
return fmt.Errorf("invalid project: %v", err)
}
if err := c.Prefix.Validate(); err != nil {
return fmt.Errorf("invalid prefix: %v", err)
}
return nil
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L124-L135 |
7,974 | luci/luci-go | logdog/client/butler/butler.go | Wait | func (b *Butler) Wait() error {
// Run until our stream monitor shuts down, meaning all streams have finished.
//
// A race can exist here when a stream server may add new streams after we've
// drained our streams, but before we've shut them down. Since "all streams
// are done" is the edge that we use to begin shutdown, we can't simply tell
// stream servers to stop in advance.
//
// We manage this race as follows:
// 1) Wait until our stream monitor finishes. This will happen when there's a
// point that no streams are running.
// 2) Start a new stream monitor to handle (3).
// 3) Initiate stream server shutdown, wait until they have all finished.
// 4) Wait until the stream monitor in (2) has finished.
log.Debugf(b.ctx, "Waiting for Butler primary stream monitor to finish...")
<-b.streamsFinishedC
log.Debugf(b.ctx, "Butler streams have finished.")
log.Debugf(b.ctx, "Shutting down stream servers, starting residual stream monitor.")
auxStreamsFinishedC := make(chan struct{})
auxActivateC := make(chan struct{})
go func() {
defer close(auxStreamsFinishedC)
b.runStreams(auxActivateC)
}()
close(b.streamServerStopC)
b.streamServerWG.Wait()
log.Debugf(b.ctx, "Stream servers have shut down.")
log.Debugf(b.ctx, "Waiting for residual streams to finish...")
close(b.streamC)
close(auxActivateC)
<-auxStreamsFinishedC
log.Debugf(b.ctx, "Residual streams have finished.")
log.Debugf(b.ctx, "Waiting for bundler to flush.")
b.bundler.CloseAndFlush()
log.Debugf(b.ctx, "Bundler has flushed.")
if b.keepAliveC != nil {
log.Debugf(b.ctx, "Closing keep-alive monitor.")
close(b.keepAliveC)
<-b.keepAliveFinishedC
log.Debugf(b.ctx, "Keep-alive monitor has finished.")
}
log.Debugf(b.ctx, "Waiting for output queue to shut down.")
<-b.bundlerDrainedC
log.Debugf(b.ctx, "Output queue has shut down.")
log.Fields{
"stats": b.c.Output.Stats(),
}.Infof(b.ctx, "Message output has closed")
return b.getRunErr()
} | go | func (b *Butler) Wait() error {
// Run until our stream monitor shuts down, meaning all streams have finished.
//
// A race can exist here when a stream server may add new streams after we've
// drained our streams, but before we've shut them down. Since "all streams
// are done" is the edge that we use to begin shutdown, we can't simply tell
// stream servers to stop in advance.
//
// We manage this race as follows:
// 1) Wait until our stream monitor finishes. This will happen when there's a
// point that no streams are running.
// 2) Start a new stream monitor to handle (3).
// 3) Initiate stream server shutdown, wait until they have all finished.
// 4) Wait until the stream monitor in (2) has finished.
log.Debugf(b.ctx, "Waiting for Butler primary stream monitor to finish...")
<-b.streamsFinishedC
log.Debugf(b.ctx, "Butler streams have finished.")
log.Debugf(b.ctx, "Shutting down stream servers, starting residual stream monitor.")
auxStreamsFinishedC := make(chan struct{})
auxActivateC := make(chan struct{})
go func() {
defer close(auxStreamsFinishedC)
b.runStreams(auxActivateC)
}()
close(b.streamServerStopC)
b.streamServerWG.Wait()
log.Debugf(b.ctx, "Stream servers have shut down.")
log.Debugf(b.ctx, "Waiting for residual streams to finish...")
close(b.streamC)
close(auxActivateC)
<-auxStreamsFinishedC
log.Debugf(b.ctx, "Residual streams have finished.")
log.Debugf(b.ctx, "Waiting for bundler to flush.")
b.bundler.CloseAndFlush()
log.Debugf(b.ctx, "Bundler has flushed.")
if b.keepAliveC != nil {
log.Debugf(b.ctx, "Closing keep-alive monitor.")
close(b.keepAliveC)
<-b.keepAliveFinishedC
log.Debugf(b.ctx, "Keep-alive monitor has finished.")
}
log.Debugf(b.ctx, "Waiting for output queue to shut down.")
<-b.bundlerDrainedC
log.Debugf(b.ctx, "Output queue has shut down.")
log.Fields{
"stats": b.c.Output.Stats(),
}.Infof(b.ctx, "Message output has closed")
return b.getRunErr()
} | [
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] | // Wait blocks until the Butler instance has completed, returning with the
// Butler's return code. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L291-L347 |
7,975 | luci/luci-go | logdog/client/butler/butler.go | Streams | func (b *Butler) Streams() []types.StreamName {
var streams types.StreamNameSlice
func() {
b.streamSeenLock.Lock()
defer b.streamSeenLock.Unlock()
streams = make([]types.StreamName, 0, b.streamSeen.Len())
b.streamSeen.Iter(func(s string) bool {
streams = append(streams, types.StreamName(s))
return true
})
}()
sort.Sort(streams)
return ([]types.StreamName)(streams)
} | go | func (b *Butler) Streams() []types.StreamName {
var streams types.StreamNameSlice
func() {
b.streamSeenLock.Lock()
defer b.streamSeenLock.Unlock()
streams = make([]types.StreamName, 0, b.streamSeen.Len())
b.streamSeen.Iter(func(s string) bool {
streams = append(streams, types.StreamName(s))
return true
})
}()
sort.Sort(streams)
return ([]types.StreamName)(streams)
} | [
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] | // Streams returns a sorted list of stream names that have been registered to
// the Butler. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L351-L366 |
7,976 | luci/luci-go | logdog/client/butler/butler.go | AddStreamServer | func (b *Butler) AddStreamServer(streamServer streamserver.StreamServer) {
ctx := log.SetField(b.ctx, "streamServer", streamServer)
log.Debugf(ctx, "Adding stream server.")
// Pull streams from the streamserver and add them to the Butler.
streamServerFinishedC := make(chan struct{})
go func() {
defer close(streamServerFinishedC)
defer paniccatcher.Catch(func(p *paniccatcher.Panic) {
log.Fields{
"panic.error": p.Reason,
}.Errorf(b.ctx, "Panic while running StreamServer:\n%s", p.Stack)
b.shutdown(fmt.Errorf("butler: panic while running StreamServer: %v", p.Reason))
})
for {
rc, config := streamServer.Next()
if rc == nil {
log.Debugf(ctx, "StreamServer returned nil stream; terminating.")
return
}
// Add this Stream to the Butler.
//
// We run this in a function so we can ensure cleanup on failure.
if err := b.AddStream(rc, config); err != nil {
log.Fields{
log.ErrorKey: err,
}.Errorf(ctx, "Failed to add stream.")
if err := rc.Close(); err != nil {
log.Fields{
log.ErrorKey: err,
}.Warningf(ctx, "Failed to close stream.")
}
}
}
}()
// Monitor the StreamServer's close signal channel; terminate our server when
// it's set.
b.streamServerWG.Add(1)
go func() {
defer b.streamServerWG.Done()
<-b.streamServerStopC
log.Debugf(ctx, "Stop signal received for StreamServer.")
streamServer.Close()
<-streamServerFinishedC
}()
} | go | func (b *Butler) AddStreamServer(streamServer streamserver.StreamServer) {
ctx := log.SetField(b.ctx, "streamServer", streamServer)
log.Debugf(ctx, "Adding stream server.")
// Pull streams from the streamserver and add them to the Butler.
streamServerFinishedC := make(chan struct{})
go func() {
defer close(streamServerFinishedC)
defer paniccatcher.Catch(func(p *paniccatcher.Panic) {
log.Fields{
"panic.error": p.Reason,
}.Errorf(b.ctx, "Panic while running StreamServer:\n%s", p.Stack)
b.shutdown(fmt.Errorf("butler: panic while running StreamServer: %v", p.Reason))
})
for {
rc, config := streamServer.Next()
if rc == nil {
log.Debugf(ctx, "StreamServer returned nil stream; terminating.")
return
}
// Add this Stream to the Butler.
//
// We run this in a function so we can ensure cleanup on failure.
if err := b.AddStream(rc, config); err != nil {
log.Fields{
log.ErrorKey: err,
}.Errorf(ctx, "Failed to add stream.")
if err := rc.Close(); err != nil {
log.Fields{
log.ErrorKey: err,
}.Warningf(ctx, "Failed to close stream.")
}
}
}
}()
// Monitor the StreamServer's close signal channel; terminate our server when
// it's set.
b.streamServerWG.Add(1)
go func() {
defer b.streamServerWG.Done()
<-b.streamServerStopC
log.Debugf(ctx, "Stop signal received for StreamServer.")
streamServer.Close()
<-streamServerFinishedC
}()
} | [
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] | // AddStreamServer adds a StreamServer to the Butler. This is goroutine-safe
// and may be called anytime before or during Butler execution.
//
// After this call completes, the Butler assumes ownership of the StreamServer. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L372-L424 |
7,977 | luci/luci-go | logdog/client/butler/butler.go | AddStream | func (b *Butler) AddStream(rc io.ReadCloser, p *streamproto.Properties) error {
p = p.Clone()
if p.Timestamp == nil || google.TimeFromProto(p.Timestamp).IsZero() {
p.Timestamp = google.NewTimestamp(clock.Now(b.ctx))
}
if err := p.Validate(); err != nil {
return err
}
// Build per-stream tag map.
if l := len(b.c.GlobalTags); l > 0 {
if p.Tags == nil {
p.Tags = make(map[string]string, l)
}
for k, v := range b.c.GlobalTags {
// Add only global flags that aren't already present (overridden) in
// stream tags.
if _, ok := p.Tags[k]; !ok {
p.Tags[k] = v
}
}
}
if p.Timeout > 0 {
if rts, ok := rc.(iotools.ReadTimeoutSetter); ok {
if err := rts.SetReadTimeout(p.Timeout); err != nil {
log.Fields{
log.ErrorKey: err,
"timeout": p.Timeout,
}.Warningf(b.ctx, "Failed to set stream timeout.")
}
} else {
log.Fields{
"connection": rc,
"connectionType": fmt.Sprintf("%T", rc),
}.Warningf(b.ctx, "Don't know how to set timeout for type, so ignoring Timeout parameter.")
}
}
// If this stream is configured to tee, set that up.
reader := io.Reader(rc)
isKeepAlive := false
switch p.Tee {
case streamproto.TeeNone:
break
case streamproto.TeeStdout:
if b.c.TeeStdout == nil {
return errors.New("butler: cannot tee through STDOUT; no STDOUT is configured")
}
reader = io.TeeReader(rc, b.c.TeeStdout)
isKeepAlive = true
case streamproto.TeeStderr:
if b.c.TeeStderr == nil {
return errors.New("butler: cannot tee through STDERR; no STDERR is configured")
}
reader = io.TeeReader(rc, b.c.TeeStderr)
isKeepAlive = true
default:
return fmt.Errorf("invalid tee value: %v", p.Tee)
}
if err := b.registerStream(p.Name); err != nil {
return err
}
// Build our stream struct.
streamCtx := log.SetField(b.ctx, "stream", p.Name)
s := stream{
Context: streamCtx,
r: reader,
c: rc,
isKeepAlive: isKeepAlive,
}
// Register this stream with our Bundler. It will take ownership of "p", so
// we should not use it after this point.
var err error
if s.bs, err = b.bundler.Register(p); err != nil {
return err
}
p = nil
b.streamC <- &s
return nil
} | go | func (b *Butler) AddStream(rc io.ReadCloser, p *streamproto.Properties) error {
p = p.Clone()
if p.Timestamp == nil || google.TimeFromProto(p.Timestamp).IsZero() {
p.Timestamp = google.NewTimestamp(clock.Now(b.ctx))
}
if err := p.Validate(); err != nil {
return err
}
// Build per-stream tag map.
if l := len(b.c.GlobalTags); l > 0 {
if p.Tags == nil {
p.Tags = make(map[string]string, l)
}
for k, v := range b.c.GlobalTags {
// Add only global flags that aren't already present (overridden) in
// stream tags.
if _, ok := p.Tags[k]; !ok {
p.Tags[k] = v
}
}
}
if p.Timeout > 0 {
if rts, ok := rc.(iotools.ReadTimeoutSetter); ok {
if err := rts.SetReadTimeout(p.Timeout); err != nil {
log.Fields{
log.ErrorKey: err,
"timeout": p.Timeout,
}.Warningf(b.ctx, "Failed to set stream timeout.")
}
} else {
log.Fields{
"connection": rc,
"connectionType": fmt.Sprintf("%T", rc),
}.Warningf(b.ctx, "Don't know how to set timeout for type, so ignoring Timeout parameter.")
}
}
// If this stream is configured to tee, set that up.
reader := io.Reader(rc)
isKeepAlive := false
switch p.Tee {
case streamproto.TeeNone:
break
case streamproto.TeeStdout:
if b.c.TeeStdout == nil {
return errors.New("butler: cannot tee through STDOUT; no STDOUT is configured")
}
reader = io.TeeReader(rc, b.c.TeeStdout)
isKeepAlive = true
case streamproto.TeeStderr:
if b.c.TeeStderr == nil {
return errors.New("butler: cannot tee through STDERR; no STDERR is configured")
}
reader = io.TeeReader(rc, b.c.TeeStderr)
isKeepAlive = true
default:
return fmt.Errorf("invalid tee value: %v", p.Tee)
}
if err := b.registerStream(p.Name); err != nil {
return err
}
// Build our stream struct.
streamCtx := log.SetField(b.ctx, "stream", p.Name)
s := stream{
Context: streamCtx,
r: reader,
c: rc,
isKeepAlive: isKeepAlive,
}
// Register this stream with our Bundler. It will take ownership of "p", so
// we should not use it after this point.
var err error
if s.bs, err = b.bundler.Register(p); err != nil {
return err
}
p = nil
b.streamC <- &s
return nil
} | [
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] | // AddStream adds a Stream to the Butler. This is goroutine-safe.
//
// If no error is returned, the Butler assumes ownership of the supplied stream.
// The stream will be closed when processing is finished.
//
// If an error is occurred, the caller is still the owner of the stream and
// is responsible for closing it. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L433-L521 |
7,978 | luci/luci-go | logdog/client/butler/butler.go | registerStream | func (b *Butler) registerStream(name string) error {
b.streamSeenLock.Lock()
defer b.streamSeenLock.Unlock()
if added := b.streamSeen.Add(name); added {
return nil
}
return fmt.Errorf("a stream has already been registered with name %q", name)
} | go | func (b *Butler) registerStream(name string) error {
b.streamSeenLock.Lock()
defer b.streamSeenLock.Unlock()
if added := b.streamSeen.Add(name); added {
return nil
}
return fmt.Errorf("a stream has already been registered with name %q", name)
} | [
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// error will be returned if the Stream has ever been registered. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L609-L617 |
7,979 | luci/luci-go | logdog/client/butler/butler.go | shutdown | func (b *Butler) shutdown(err error) {
log.Fields{
log.ErrorKey: err,
}.Debugf(b.ctx, "Received 'shutdown()' command; shutting down streams.")
func() {
b.shutdownMu.Lock()
defer b.shutdownMu.Unlock()
if b.isShutdown {
// Already shut down.
return
}
// Signal our streams to shutdown prematurely.
close(b.streamStopC)
b.runErr = err
b.isShutdown = true
}()
// Activate the Butler, if it hasn't already been activated. The Butler will
// block pending stream draining, but we've instructed our streams to
// shutdown prematurely, so this should be reasonably quick.
b.Activate()
} | go | func (b *Butler) shutdown(err error) {
log.Fields{
log.ErrorKey: err,
}.Debugf(b.ctx, "Received 'shutdown()' command; shutting down streams.")
func() {
b.shutdownMu.Lock()
defer b.shutdownMu.Unlock()
if b.isShutdown {
// Already shut down.
return
}
// Signal our streams to shutdown prematurely.
close(b.streamStopC)
b.runErr = err
b.isShutdown = true
}()
// Activate the Butler, if it hasn't already been activated. The Butler will
// block pending stream draining, but we've instructed our streams to
// shutdown prematurely, so this should be reasonably quick.
b.Activate()
} | [
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] | // shutdown is a goroutine-safe method instructing the Butler to terminate
// with the supplied error code. It may be called more than once, although
// the first supplied error message will be the one returned by Run. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L672-L697 |
7,980 | luci/luci-go | logdog/client/butler/butler.go | getRunErr | func (b *Butler) getRunErr() error {
b.shutdownMu.Lock()
defer b.shutdownMu.Unlock()
return b.runErr
} | go | func (b *Butler) getRunErr() error {
b.shutdownMu.Lock()
defer b.shutdownMu.Unlock()
return b.runErr
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L700-L704 |
7,981 | luci/luci-go | logdog/client/butler/butler.go | wrapStreamRegistrationCallback | func wrapStreamRegistrationCallback(reg streamRegistrationCallback) streamRegistrationCallback {
if reg == nil {
return reg
}
return func(desc *logpb.LogStreamDescriptor) bundler.StreamChunkCallback {
cb := reg(desc)
switch desc.StreamType {
case logpb.StreamType_TEXT:
return buffered_callback.GetWrappedTextCallback(cb)
case logpb.StreamType_DATAGRAM:
return buffered_callback.GetWrappedDatagramCallback(cb)
default:
return cb
}
}
} | go | func wrapStreamRegistrationCallback(reg streamRegistrationCallback) streamRegistrationCallback {
if reg == nil {
return reg
}
return func(desc *logpb.LogStreamDescriptor) bundler.StreamChunkCallback {
cb := reg(desc)
switch desc.StreamType {
case logpb.StreamType_TEXT:
return buffered_callback.GetWrappedTextCallback(cb)
case logpb.StreamType_DATAGRAM:
return buffered_callback.GetWrappedDatagramCallback(cb)
default:
return cb
}
}
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/logdog/client/butler/butler.go#L709-L724 |
7,982 | luci/luci-go | cipd/appengine/impl/model/package.go | PackageKey | func PackageKey(c context.Context, pkg string) *datastore.Key {
return datastore.NewKey(c, "Package", pkg, 0, nil)
} | go | func PackageKey(c context.Context, pkg string) *datastore.Key {
return datastore.NewKey(c, "Package", pkg, 0, nil)
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/package.go#L61-L63 |
7,983 | luci/luci-go | cipd/appengine/impl/model/package.go | ListPackages | func ListPackages(c context.Context, prefix string, includeHidden bool) (out []string, err error) {
if prefix, err = common.ValidatePackagePrefix(prefix); err != nil {
return nil, err
}
// Note: __key__ queries are already ordered by key.
q := datastore.NewQuery("Package")
if prefix != "" {
q = q.Gt("__key__", PackageKey(c, prefix+"/\x00"))
q = q.Lt("__key__", PackageKey(c, prefix+"/\xff"))
}
err = datastore.Run(c, q, func(p *Package) error {
// We filter by Hidden manually since not all entities in the datastore have
// it set, so filtering using Eq("Hidden", false) actually skips all
// entities that don't have Hidden field at all.
if !p.Hidden || includeHidden {
out = append(out, p.Name)
}
return nil
})
if err != nil {
return nil, errors.Annotate(err, "failed to query the list of packages").Tag(transient.Tag).Err()
}
return out, nil
} | go | func ListPackages(c context.Context, prefix string, includeHidden bool) (out []string, err error) {
if prefix, err = common.ValidatePackagePrefix(prefix); err != nil {
return nil, err
}
// Note: __key__ queries are already ordered by key.
q := datastore.NewQuery("Package")
if prefix != "" {
q = q.Gt("__key__", PackageKey(c, prefix+"/\x00"))
q = q.Lt("__key__", PackageKey(c, prefix+"/\xff"))
}
err = datastore.Run(c, q, func(p *Package) error {
// We filter by Hidden manually since not all entities in the datastore have
// it set, so filtering using Eq("Hidden", false) actually skips all
// entities that don't have Hidden field at all.
if !p.Hidden || includeHidden {
out = append(out, p.Name)
}
return nil
})
if err != nil {
return nil, errors.Annotate(err, "failed to query the list of packages").Tag(transient.Tag).Err()
}
return out, nil
} | [
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//
// Lists all packages recursively. If there's package named as 'prefix' it is
// NOT included in the result. Only packaged under the prefix are included.
//
// The result is sorted by the package name. Returns only transient errors. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/package.go#L71-L96 |
7,984 | luci/luci-go | cipd/appengine/impl/model/package.go | CheckPackages | func CheckPackages(c context.Context, names []string, includeHidden bool) ([]string, error) {
if len(names) == 0 {
return nil, nil
}
pkgs := make([]*Package, len(names))
for i, n := range names {
pkgs[i] = &Package{Name: n}
}
if err := datastore.Get(c, pkgs); err != nil {
merr, ok := err.(errors.MultiError)
if !ok {
return nil, transient.Tag.Apply(err)
}
existing := pkgs[:0]
for i, pkg := range pkgs {
switch err := merr[i]; {
case err == nil:
existing = append(existing, pkg)
case err != datastore.ErrNoSuchEntity:
return nil, errors.Annotate(err, "failed to fetch %q", pkg.Name).Tag(transient.Tag).Err()
}
}
pkgs = existing
}
out := make([]string, 0, len(pkgs))
for _, p := range pkgs {
if !p.Hidden || includeHidden {
out = append(out, p.Name)
}
}
return out, nil
} | go | func CheckPackages(c context.Context, names []string, includeHidden bool) ([]string, error) {
if len(names) == 0 {
return nil, nil
}
pkgs := make([]*Package, len(names))
for i, n := range names {
pkgs[i] = &Package{Name: n}
}
if err := datastore.Get(c, pkgs); err != nil {
merr, ok := err.(errors.MultiError)
if !ok {
return nil, transient.Tag.Apply(err)
}
existing := pkgs[:0]
for i, pkg := range pkgs {
switch err := merr[i]; {
case err == nil:
existing = append(existing, pkg)
case err != datastore.ErrNoSuchEntity:
return nil, errors.Annotate(err, "failed to fetch %q", pkg.Name).Tag(transient.Tag).Err()
}
}
pkgs = existing
}
out := make([]string, 0, len(pkgs))
for _, p := range pkgs {
if !p.Hidden || includeHidden {
out = append(out, p.Name)
}
}
return out, nil
} | [
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] | // CheckPackages given a list of package names returns packages that exist, in
// the order they are listed in the list.
//
// If includeHidden is false, omits hidden packages from the result.
//
// Returns only transient errors. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/package.go#L104-L138 |
7,985 | luci/luci-go | cipd/appengine/impl/model/package.go | CheckPackageExists | func CheckPackageExists(c context.Context, pkg string) error {
switch res, err := CheckPackages(c, []string{pkg}, true); {
case err != nil:
return errors.Annotate(err, "failed to check the package presence").Err()
case len(res) == 0:
return errors.Reason("no such package").Tag(grpcutil.NotFoundTag).Err()
default:
return nil
}
} | go | func CheckPackageExists(c context.Context, pkg string) error {
switch res, err := CheckPackages(c, []string{pkg}, true); {
case err != nil:
return errors.Annotate(err, "failed to check the package presence").Err()
case len(res) == 0:
return errors.Reason("no such package").Tag(grpcutil.NotFoundTag).Err()
default:
return nil
}
} | [
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] | // CheckPackageExists verifies the package exists.
//
// Returns gRPC-tagged NotFound error if there's no such package. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/package.go#L143-L152 |
7,986 | luci/luci-go | cipd/appengine/impl/model/package.go | SetPackageHidden | func SetPackageHidden(c context.Context, pkg string, hidden bool) error {
return Txn(c, "SetPackageHidden", func(c context.Context) error {
p := &Package{Name: pkg}
switch err := datastore.Get(c, p); {
case err == datastore.ErrNoSuchEntity:
return err
case err != nil:
return transient.Tag.Apply(err)
case p.Hidden == hidden:
return nil
}
p.Hidden = hidden
if err := datastore.Put(c, p); err != nil {
return transient.Tag.Apply(err)
}
ev := api.EventKind_PACKAGE_HIDDEN
if !hidden {
ev = api.EventKind_PACKAGE_UNHIDDEN
}
return EmitEvent(c, &api.Event{Kind: ev, Package: pkg})
})
} | go | func SetPackageHidden(c context.Context, pkg string, hidden bool) error {
return Txn(c, "SetPackageHidden", func(c context.Context) error {
p := &Package{Name: pkg}
switch err := datastore.Get(c, p); {
case err == datastore.ErrNoSuchEntity:
return err
case err != nil:
return transient.Tag.Apply(err)
case p.Hidden == hidden:
return nil
}
p.Hidden = hidden
if err := datastore.Put(c, p); err != nil {
return transient.Tag.Apply(err)
}
ev := api.EventKind_PACKAGE_HIDDEN
if !hidden {
ev = api.EventKind_PACKAGE_UNHIDDEN
}
return EmitEvent(c, &api.Event{Kind: ev, Package: pkg})
})
} | [
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] | // SetPackageHidden updates Hidden field of the package.
//
// If the package is missing returns datastore.ErrNoSuchEntity. All other errors
// are transient. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/appengine/impl/model/package.go#L158-L181 |
7,987 | luci/luci-go | milo/buildsource/buildbucket/build.go | BuildAddress | func BuildAddress(build *buildbucketpb.Build) string {
if build == nil {
return ""
}
num := strconv.FormatInt(build.Id, 10)
if build.Number != 0 {
num = strconv.FormatInt(int64(build.Number), 10)
}
b := build.Builder
return fmt.Sprintf("luci.%s.%s/%s/%s", b.Project, b.Bucket, b.Builder, num)
} | go | func BuildAddress(build *buildbucketpb.Build) string {
if build == nil {
return ""
}
num := strconv.FormatInt(build.Id, 10)
if build.Number != 0 {
num = strconv.FormatInt(int64(build.Number), 10)
}
b := build.Builder
return fmt.Sprintf("luci.%s.%s/%s/%s", b.Project, b.Bucket, b.Builder, num)
} | [
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] | // BuildAddress constructs the build address of a buildbucketpb.Build.
// This is used as the key for the BuildSummary entity. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L57-L67 |
7,988 | luci/luci-go | milo/buildsource/buildbucket/build.go | GetBuildSummary | func GetBuildSummary(c context.Context, id int64) (*model.BuildSummary, error) {
// The host is set to prod because buildbot is hardcoded to talk to prod.
uri := fmt.Sprintf("buildbucket://cr-buildbucket.appspot.com/build/%d", id)
bs := make([]*model.BuildSummary, 0, 1)
q := datastore.NewQuery("BuildSummary").Eq("ContextURI", uri).Limit(1)
switch err := datastore.GetAll(c, q, &bs); {
case err != nil:
return nil, common.ReplaceNSEWith(err.(errors.MultiError), ErrNotFound)
case len(bs) == 0:
return nil, ErrNotFound
default:
return bs[0], nil
}
} | go | func GetBuildSummary(c context.Context, id int64) (*model.BuildSummary, error) {
// The host is set to prod because buildbot is hardcoded to talk to prod.
uri := fmt.Sprintf("buildbucket://cr-buildbucket.appspot.com/build/%d", id)
bs := make([]*model.BuildSummary, 0, 1)
q := datastore.NewQuery("BuildSummary").Eq("ContextURI", uri).Limit(1)
switch err := datastore.GetAll(c, q, &bs); {
case err != nil:
return nil, common.ReplaceNSEWith(err.(errors.MultiError), ErrNotFound)
case len(bs) == 0:
return nil, ErrNotFound
default:
return bs[0], nil
}
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L146-L159 |
7,989 | luci/luci-go | milo/buildsource/buildbucket/build.go | getBlame | func getBlame(c context.Context, host string, b *buildbucketpb.Build) ([]*ui.Commit, error) {
commit := b.GetInput().GetGitilesCommit()
// No commit? No blamelist.
if commit == nil {
return nil, nil
}
// TODO(hinoka): This converts a buildbucketpb.Commit into a string
// and back into a buildbucketpb.Commit. That's a bit silly.
return simplisticBlamelist(c, &model.BuildSummary{
BuildKey: MakeBuildKey(c, host, BuildAddress(b)),
BuildSet: []string{protoutil.GitilesBuildSet(commit)},
BuilderID: BuilderID{BuilderID: *b.Builder}.String(),
})
} | go | func getBlame(c context.Context, host string, b *buildbucketpb.Build) ([]*ui.Commit, error) {
commit := b.GetInput().GetGitilesCommit()
// No commit? No blamelist.
if commit == nil {
return nil, nil
}
// TODO(hinoka): This converts a buildbucketpb.Commit into a string
// and back into a buildbucketpb.Commit. That's a bit silly.
return simplisticBlamelist(c, &model.BuildSummary{
BuildKey: MakeBuildKey(c, host, BuildAddress(b)),
BuildSet: []string{protoutil.GitilesBuildSet(commit)},
BuilderID: BuilderID{BuilderID: *b.Builder}.String(),
})
} | [
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// This requires the BuildSummary to be indexed in Milo. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L163-L176 |
7,990 | luci/luci-go | milo/buildsource/buildbucket/build.go | getBugLink | func getBugLink(c *router.Context, b *buildbucketpb.Build) (string, error) {
project, err := common.GetProject(c.Context, b.Builder.GetProject())
if err != nil || proto.Equal(&project.BuildBugTemplate, &config.BugTemplate{}) {
return "", err
}
builderPath := fmt.Sprintf("/p/%s/builders/%s/%s", b.Builder.GetProject(), b.Builder.GetBucket(), b.Builder.GetBuilder())
buildURL, err := c.Request.URL.Parse(builderPath + "/" + c.Params.ByName("numberOrId"))
if err != nil {
return "", errors.Annotate(err, "Unable to make build URL for build bug link.").Err()
}
builderURL, err := c.Request.URL.Parse(builderPath)
if err != nil {
return "", errors.Annotate(err, "Unable to make builder URL for build bug link.").Err()
}
return MakeBuildBugLink(&project.BuildBugTemplate, map[string]interface{}{
"Build": b,
"MiloBuildUrl": buildURL,
"MiloBuilderUrl": builderURL,
})
} | go | func getBugLink(c *router.Context, b *buildbucketpb.Build) (string, error) {
project, err := common.GetProject(c.Context, b.Builder.GetProject())
if err != nil || proto.Equal(&project.BuildBugTemplate, &config.BugTemplate{}) {
return "", err
}
builderPath := fmt.Sprintf("/p/%s/builders/%s/%s", b.Builder.GetProject(), b.Builder.GetBucket(), b.Builder.GetBuilder())
buildURL, err := c.Request.URL.Parse(builderPath + "/" + c.Params.ByName("numberOrId"))
if err != nil {
return "", errors.Annotate(err, "Unable to make build URL for build bug link.").Err()
}
builderURL, err := c.Request.URL.Parse(builderPath)
if err != nil {
return "", errors.Annotate(err, "Unable to make builder URL for build bug link.").Err()
}
return MakeBuildBugLink(&project.BuildBugTemplate, map[string]interface{}{
"Build": b,
"MiloBuildUrl": buildURL,
"MiloBuilderUrl": builderURL,
})
} | [
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")",
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"}"
] | // getBugLink attempts to formulate and return the build page bug link
// for the given build. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L180-L201 |
7,991 | luci/luci-go | milo/buildsource/buildbucket/build.go | searchBuildset | func searchBuildset(buildset string, fields *field_mask.FieldMask) *buildbucketpb.SearchBuildsRequest {
return &buildbucketpb.SearchBuildsRequest{
Predicate: &buildbucketpb.BuildPredicate{
Tags: []*buildbucketpb.StringPair{{Key: "buildset", Value: buildset}},
},
Fields: fields,
PageSize: 1000,
}
} | go | func searchBuildset(buildset string, fields *field_mask.FieldMask) *buildbucketpb.SearchBuildsRequest {
return &buildbucketpb.SearchBuildsRequest{
Predicate: &buildbucketpb.BuildPredicate{
Tags: []*buildbucketpb.StringPair{{Key: "buildset", Value: buildset}},
},
Fields: fields,
PageSize: 1000,
}
} | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L204-L212 |
7,992 | luci/luci-go | milo/buildsource/buildbucket/build.go | getRelatedBuilds | func getRelatedBuilds(c context.Context, client buildbucketpb.BuildsClient, b *buildbucketpb.Build) ([]*ui.Build, error) {
var bs []string
for _, buildset := range protoutil.BuildSets(b) {
// HACK(hinoka): Remove the commit/git/ buildsets because we know they're redundant
// with the commit/gitiles/ buildsets, and we don't need to ask Buildbucket twice.
if strings.HasPrefix(buildset, "commit/git/") {
continue
}
bs = append(bs, buildset)
}
if len(bs) == 0 {
// No buildset? No builds.
return nil, nil
}
// Do the search request.
// Use multiple requests instead of a single batch request.
// A single large request is CPU bound to a single GAE instance on the buildbucket side.
// Multiple requests allows the use of multiple GAE instances, therefore more parallelism.
resps := make([]*buildbucketpb.SearchBuildsResponse, len(bs))
if err := parallel.FanOutIn(func(ch chan<- func() error) {
for i, buildset := range bs {
i := i
buildset := buildset
ch <- func() (err error) {
logging.Debugf(c, "Searching for %s (%d)", buildset, i)
resps[i], err = client.SearchBuilds(c, searchBuildset(buildset, summaryBuildsMask))
return
}
}
}); err != nil {
return nil, err
}
// Dedupe builds.
// It's possible since we've made multiple requests that we got back the same builds
// multiple times.
seen := map[int64]bool{} // set of build IDs.
result := []*ui.Build{}
for _, resp := range resps {
for _, rb := range resp.GetBuilds() {
if seen[rb.Id] {
continue
}
seen[rb.Id] = true
result = append(result, &ui.Build{rb})
}
}
// Sort builds by ID.
sort.Slice(result, func(i, j int) bool { return result[i].Id < result[j].Id })
return result, nil
} | go | func getRelatedBuilds(c context.Context, client buildbucketpb.BuildsClient, b *buildbucketpb.Build) ([]*ui.Build, error) {
var bs []string
for _, buildset := range protoutil.BuildSets(b) {
// HACK(hinoka): Remove the commit/git/ buildsets because we know they're redundant
// with the commit/gitiles/ buildsets, and we don't need to ask Buildbucket twice.
if strings.HasPrefix(buildset, "commit/git/") {
continue
}
bs = append(bs, buildset)
}
if len(bs) == 0 {
// No buildset? No builds.
return nil, nil
}
// Do the search request.
// Use multiple requests instead of a single batch request.
// A single large request is CPU bound to a single GAE instance on the buildbucket side.
// Multiple requests allows the use of multiple GAE instances, therefore more parallelism.
resps := make([]*buildbucketpb.SearchBuildsResponse, len(bs))
if err := parallel.FanOutIn(func(ch chan<- func() error) {
for i, buildset := range bs {
i := i
buildset := buildset
ch <- func() (err error) {
logging.Debugf(c, "Searching for %s (%d)", buildset, i)
resps[i], err = client.SearchBuilds(c, searchBuildset(buildset, summaryBuildsMask))
return
}
}
}); err != nil {
return nil, err
}
// Dedupe builds.
// It's possible since we've made multiple requests that we got back the same builds
// multiple times.
seen := map[int64]bool{} // set of build IDs.
result := []*ui.Build{}
for _, resp := range resps {
for _, rb := range resp.GetBuilds() {
if seen[rb.Id] {
continue
}
seen[rb.Id] = true
result = append(result, &ui.Build{rb})
}
}
// Sort builds by ID.
sort.Slice(result, func(i, j int) bool { return result[i].Id < result[j].Id })
return result, nil
} | [
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] | // getRelatedBuilds fetches build summaries of builds with the same buildset as b. | [
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"with",
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L229-L282 |
7,993 | luci/luci-go | milo/buildsource/buildbucket/build.go | GetBuilderID | func GetBuilderID(c context.Context, id int64) (builder *buildbucketpb.BuilderID, number int32, err error) {
host, err := getHost(c)
if err != nil {
return
}
client, err := buildbucketClient(c, host, auth.AsUser)
if err != nil {
return
}
br, err := client.GetBuild(c, &buildbucketpb.GetBuildRequest{
Id: id,
Fields: builderIDMask,
})
switch grpcutil.Code(err) {
case codes.OK:
builder = br.Builder
number = br.Number
case codes.NotFound:
if auth.CurrentIdentity(c) == identity.AnonymousIdentity {
err = ErrNotLoggedIn
return
}
fallthrough
case codes.PermissionDenied:
err = ErrNotFound
}
return
} | go | func GetBuilderID(c context.Context, id int64) (builder *buildbucketpb.BuilderID, number int32, err error) {
host, err := getHost(c)
if err != nil {
return
}
client, err := buildbucketClient(c, host, auth.AsUser)
if err != nil {
return
}
br, err := client.GetBuild(c, &buildbucketpb.GetBuildRequest{
Id: id,
Fields: builderIDMask,
})
switch grpcutil.Code(err) {
case codes.OK:
builder = br.Builder
number = br.Number
case codes.NotFound:
if auth.CurrentIdentity(c) == identity.AnonymousIdentity {
err = ErrNotLoggedIn
return
}
fallthrough
case codes.PermissionDenied:
err = ErrNotFound
}
return
} | [
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] | // GetBuilderID returns the builder, and maybe the build number, for a build id. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L292-L319 |
7,994 | luci/luci-go | milo/buildsource/buildbucket/build.go | GetBuildPage | func GetBuildPage(ctx *router.Context, br buildbucketpb.GetBuildRequest, forceBlamelist bool) (*ui.BuildPage, error) {
c := ctx.Context
host, err := getHost(c)
if err != nil {
return nil, err
}
client, err := buildbucketClient(c, host, auth.AsUser)
if err != nil {
return nil, err
}
var b *buildbucketpb.Build
var relatedBuilds []*ui.Build
var blame []*ui.Commit
var blameErr error
if err = parallel.FanOutIn(func(ch chan<- func() error) {
ch <- func() (err error) {
fullbr := br // Copy request
fullbr.Fields = fullBuildMask
b, err = client.GetBuild(c, &fullbr)
return common.TagGRPC(c, err)
}
// Fetch a small build with just a tiny bit of information.
// We use this to get the Gitiles tag so that we can fetch
// related builds and blamelist in parallel.
smallbr := br // Copy request
smallbr.Fields = tagsAndGitilesMask
sb, err := client.GetBuild(c, &smallbr)
if err != nil {
return
}
ch <- func() (err error) {
relatedBuilds, err = getRelatedBuilds(c, client, sb)
return
}
ch <- func() error {
timeout := 1 * time.Second
if forceBlamelist {
timeout = 55 * time.Second
}
nc, cancel := context.WithTimeout(c, timeout)
defer cancel()
blame, blameErr = getBlame(nc, host, sb)
return nil
}
}); err != nil {
return nil, err
}
link, err := getBugLink(ctx, b)
logging.Infof(c, "Got all the things")
return &ui.BuildPage{
Build: ui.Build{b},
Blame: blame,
RelatedBuilds: relatedBuilds,
BuildBugLink: link,
BuildbucketHost: host,
Now: clock.Now(c),
BlamelistError: blameErr,
ForcedBlamelist: forceBlamelist,
}, err
} | go | func GetBuildPage(ctx *router.Context, br buildbucketpb.GetBuildRequest, forceBlamelist bool) (*ui.BuildPage, error) {
c := ctx.Context
host, err := getHost(c)
if err != nil {
return nil, err
}
client, err := buildbucketClient(c, host, auth.AsUser)
if err != nil {
return nil, err
}
var b *buildbucketpb.Build
var relatedBuilds []*ui.Build
var blame []*ui.Commit
var blameErr error
if err = parallel.FanOutIn(func(ch chan<- func() error) {
ch <- func() (err error) {
fullbr := br // Copy request
fullbr.Fields = fullBuildMask
b, err = client.GetBuild(c, &fullbr)
return common.TagGRPC(c, err)
}
// Fetch a small build with just a tiny bit of information.
// We use this to get the Gitiles tag so that we can fetch
// related builds and blamelist in parallel.
smallbr := br // Copy request
smallbr.Fields = tagsAndGitilesMask
sb, err := client.GetBuild(c, &smallbr)
if err != nil {
return
}
ch <- func() (err error) {
relatedBuilds, err = getRelatedBuilds(c, client, sb)
return
}
ch <- func() error {
timeout := 1 * time.Second
if forceBlamelist {
timeout = 55 * time.Second
}
nc, cancel := context.WithTimeout(c, timeout)
defer cancel()
blame, blameErr = getBlame(nc, host, sb)
return nil
}
}); err != nil {
return nil, err
}
link, err := getBugLink(ctx, b)
logging.Infof(c, "Got all the things")
return &ui.BuildPage{
Build: ui.Build{b},
Blame: blame,
RelatedBuilds: relatedBuilds,
BuildBugLink: link,
BuildbucketHost: host,
Now: clock.Now(c),
BlamelistError: blameErr,
ForcedBlamelist: forceBlamelist,
}, err
} | [
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"clock",
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",",
"BlamelistError",
":",
"blameErr",
",",
"ForcedBlamelist",
":",
"forceBlamelist",
",",
"}",
",",
"err",
"\n",
"}"
] | // GetBuildPage fetches the full set of information for a Milo build page from Buildbucket.
// Including the blamelist and other auxiliary information. | [
"GetBuildPage",
"fetches",
"the",
"full",
"set",
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"the",
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"and",
"other",
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/milo/buildsource/buildbucket/build.go#L354-L415 |
7,995 | luci/luci-go | cipd/client/cipd/internal/instancecache.go | NewInstanceCache | func NewInstanceCache(fs fs.FileSystem) *InstanceCache {
return &InstanceCache{
fs: fs,
maxSize: instanceCacheMaxSize,
maxAge: instanceCacheMaxAge,
}
} | go | func NewInstanceCache(fs fs.FileSystem) *InstanceCache {
return &InstanceCache{
fs: fs,
maxSize: instanceCacheMaxSize,
maxAge: instanceCacheMaxAge,
}
} | [
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",",
"maxAge",
":",
"instanceCacheMaxAge",
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"}",
"\n",
"}"
] | // NewInstanceCache initializes InstanceCache.
//
// fs will be the root of the cache. | [
"NewInstanceCache",
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cipd/internal/instancecache.go#L75-L81 |
7,996 | luci/luci-go | cipd/client/cipd/internal/instancecache.go | Close | func (f *cacheFile) Close(ctx context.Context, corrupt bool) error {
var err error
if err = f.File.Close(); err != nil && err != os.ErrClosed {
corruptText := ""
if corrupt {
corruptText = " corrupt"
}
logging.WithError(err).Warningf(ctx, "failed to close%s cache file", corruptText)
} else {
err = nil
}
if corrupt {
var err2 error
if err2 = f.fs.EnsureFileGone(ctx, f.Name()); err2 != nil {
logging.WithError(err2).Warningf(ctx, "failed to delete corrupt cache file")
}
// only return err2 if err was already nil
if err == nil {
err = err2
}
}
return err
} | go | func (f *cacheFile) Close(ctx context.Context, corrupt bool) error {
var err error
if err = f.File.Close(); err != nil && err != os.ErrClosed {
corruptText := ""
if corrupt {
corruptText = " corrupt"
}
logging.WithError(err).Warningf(ctx, "failed to close%s cache file", corruptText)
} else {
err = nil
}
if corrupt {
var err2 error
if err2 = f.fs.EnsureFileGone(ctx, f.Name()); err2 != nil {
logging.WithError(err2).Warningf(ctx, "failed to delete corrupt cache file")
}
// only return err2 if err was already nil
if err == nil {
err = err2
}
}
return err
} | [
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] | // Close removes this file from the cache if corrupt is true.
//
// This will be true if the cached file is determined to be broken at a higher
// level.
//
// This implements pkg.Source. | [
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"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cipd/internal/instancecache.go#L94-L116 |
7,997 | luci/luci-go | cipd/client/cipd/internal/instancecache.go | Get | func (c *InstanceCache) Get(ctx context.Context, pin common.Pin, now time.Time) (pkg.Source, error) {
if err := common.ValidatePin(pin, common.AnyHash); err != nil {
return nil, err
}
path, err := c.fs.RootRelToAbs(pin.InstanceID)
if err != nil {
return nil, fmt.Errorf("invalid instance ID %q", pin.InstanceID)
}
f, err := c.fs.OpenFile(path)
if err != nil {
return nil, err
}
c.withState(ctx, now, func(s *messages.InstanceCache) {
touch(s, pin.InstanceID, now)
})
return &cacheFile{f, c.fs}, nil
} | go | func (c *InstanceCache) Get(ctx context.Context, pin common.Pin, now time.Time) (pkg.Source, error) {
if err := common.ValidatePin(pin, common.AnyHash); err != nil {
return nil, err
}
path, err := c.fs.RootRelToAbs(pin.InstanceID)
if err != nil {
return nil, fmt.Errorf("invalid instance ID %q", pin.InstanceID)
}
f, err := c.fs.OpenFile(path)
if err != nil {
return nil, err
}
c.withState(ctx, now, func(s *messages.InstanceCache) {
touch(s, pin.InstanceID, now)
})
return &cacheFile{f, c.fs}, nil
} | [
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"{",
"f",
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"c",
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"fs",
"}",
",",
"nil",
"\n",
"}"
] | // Get searches for the instance in the cache and opens it for reading.
//
// If the instance is not found, returns an os.IsNotExists error. | [
"Get",
"searches",
"for",
"the",
"instance",
"in",
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"is",
"not",
"found",
"returns",
"an",
"os",
".",
"IsNotExists",
"error",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cipd/internal/instancecache.go#L126-L146 |
7,998 | luci/luci-go | cipd/client/cipd/internal/instancecache.go | Put | func (c *InstanceCache) Put(ctx context.Context, pin common.Pin, now time.Time, write func(*os.File) error) error {
if err := common.ValidatePin(pin, common.AnyHash); err != nil {
return err
}
path, err := c.fs.RootRelToAbs(pin.InstanceID)
if err != nil {
return fmt.Errorf("invalid instance ID %q", pin.InstanceID)
}
if err := c.fs.EnsureFile(ctx, path, write); err != nil {
return err
}
c.withState(ctx, now, func(s *messages.InstanceCache) {
touch(s, pin.InstanceID, now)
c.gc(ctx, s, now)
})
return nil
} | go | func (c *InstanceCache) Put(ctx context.Context, pin common.Pin, now time.Time, write func(*os.File) error) error {
if err := common.ValidatePin(pin, common.AnyHash); err != nil {
return err
}
path, err := c.fs.RootRelToAbs(pin.InstanceID)
if err != nil {
return fmt.Errorf("invalid instance ID %q", pin.InstanceID)
}
if err := c.fs.EnsureFile(ctx, path, write); err != nil {
return err
}
c.withState(ctx, now, func(s *messages.InstanceCache) {
touch(s, pin.InstanceID, now)
c.gc(ctx, s, now)
})
return nil
} | [
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",",
"s",
",",
"now",
")",
"\n",
"}",
")",
"\n",
"return",
"nil",
"\n",
"}"
] | // Put caches an instance.
//
// write must write the instance contents. May remove some instances from the
// cache that were not accessed for a long time. | [
"Put",
"caches",
"an",
"instance",
".",
"write",
"must",
"write",
"the",
"instance",
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".",
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"from",
"the",
"cache",
"that",
"were",
"not",
"accessed",
"for",
"a",
"long",
"time",
"."
] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cipd/internal/instancecache.go#L152-L170 |
7,999 | luci/luci-go | cipd/client/cipd/internal/instancecache.go | GC | func (c *InstanceCache) GC(ctx context.Context, now time.Time) {
c.withState(ctx, now, func(s *messages.InstanceCache) {
c.gc(ctx, s, now)
})
} | go | func (c *InstanceCache) GC(ctx context.Context, now time.Time) {
c.withState(ctx, now, func(s *messages.InstanceCache) {
c.gc(ctx, s, now)
})
} | [
"func",
"(",
"c",
"*",
"InstanceCache",
")",
"GC",
"(",
"ctx",
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"}",
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] | // GC opportunistically purges entries that haven't been touched for too long. | [
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] | f6cef429871eee3be7c6903af88d3ee884eaf683 | https://github.com/luci/luci-go/blob/f6cef429871eee3be7c6903af88d3ee884eaf683/cipd/client/cipd/internal/instancecache.go#L173-L177 |
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