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rkt/rkt | stage1/init/common/path.go | IOMuxDir | func IOMuxDir(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), ioMuxDir, appName.String())
} | go | func IOMuxDir(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), ioMuxDir, appName.String())
} | [
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rkt/rkt | stage1/init/common/path.go | ServiceWantPath | func ServiceWantPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), defaultWantsDir, ServiceUnitName(appName))
} | go | func ServiceWantPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), defaultWantsDir, ServiceUnitName(appName))
} | [
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rkt/rkt | stage1/init/common/path.go | InstantiatedPrepareAppUnitName | func InstantiatedPrepareAppUnitName(appName types.ACName) string {
// Naming respecting escaping rules, see systemd.unit(5) and systemd-escape(1)
escapedRoot := unit.UnitNamePathEscape(common.RelAppRootfsPath(appName))
return "prepare-app@-" + escapedRoot + ".service"
} | go | func InstantiatedPrepareAppUnitName(appName types.ACName) string {
// Naming respecting escaping rules, see systemd.unit(5) and systemd-escape(1)
escapedRoot := unit.UnitNamePathEscape(common.RelAppRootfsPath(appName))
return "prepare-app@-" + escapedRoot + ".service"
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rkt/rkt | stage1/init/common/path.go | SocketUnitPath | func SocketUnitPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), UnitsDir, SocketUnitName(appName))
} | go | func SocketUnitPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), UnitsDir, SocketUnitName(appName))
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rkt/rkt | stage1/init/common/path.go | SocketWantPath | func SocketWantPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), socketsWantsDir, SocketUnitName(appName))
} | go | func SocketWantPath(root string, appName types.ACName) string {
return filepath.Join(common.Stage1RootfsPath(root), socketsWantsDir, SocketUnitName(appName))
} | [
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rkt/rkt | stage1/init/common/path.go | TypedUnitPath | func TypedUnitPath(root string, unitName string, unitType string) string {
return filepath.Join(common.Stage1RootfsPath(root), UnitsDir, unitName+"."+unitType)
} | go | func TypedUnitPath(root string, unitName string, unitType string) string {
return filepath.Join(common.Stage1RootfsPath(root), UnitsDir, unitName+"."+unitType)
} | [
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rkt/rkt | pkg/distribution/aciarchive.go | NewACIArchive | func NewACIArchive(u *url.URL) (Distribution, error) {
c, err := parseCIMD(u)
if err != nil {
return nil, fmt.Errorf("cannot parse URI: %q: %v", u.String(), err)
}
if c.Type != TypeACIArchive {
return nil, fmt.Errorf("illegal ACI archive distribution type: %q", c.Type)
}
// This should be a valid URL
data, err := url.QueryUnescape(c.Data)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("error unescaping url %q", c.Data), err)
}
aciu, err := url.Parse(data)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("error parsing url %q", c.Data), err)
}
// save the URI as sorted to make it ready for comparison
purell.NormalizeURL(u, purell.FlagSortQuery)
str := u.String()
if path := aciu.String(); filepath.Ext(path) == schema.ACIExtension {
str = path
}
return &ACIArchive{
cimdURL: u,
transportURL: aciu,
str: str,
}, nil
} | go | func NewACIArchive(u *url.URL) (Distribution, error) {
c, err := parseCIMD(u)
if err != nil {
return nil, fmt.Errorf("cannot parse URI: %q: %v", u.String(), err)
}
if c.Type != TypeACIArchive {
return nil, fmt.Errorf("illegal ACI archive distribution type: %q", c.Type)
}
// This should be a valid URL
data, err := url.QueryUnescape(c.Data)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("error unescaping url %q", c.Data), err)
}
aciu, err := url.Parse(data)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("error parsing url %q", c.Data), err)
}
// save the URI as sorted to make it ready for comparison
purell.NormalizeURL(u, purell.FlagSortQuery)
str := u.String()
if path := aciu.String(); filepath.Ext(path) == schema.ACIExtension {
str = path
}
return &ACIArchive{
cimdURL: u,
transportURL: aciu,
str: str,
}, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/distribution/aciarchive.go#L54-L86 | train |
rkt/rkt | pkg/distribution/aciarchive.go | TransportURL | func (a *ACIArchive) TransportURL() *url.URL {
// Create a copy of the transport URL
tu, err := url.Parse(a.transportURL.String())
if err != nil {
panic(fmt.Errorf("invalid transport URL: %v", err))
}
return tu
} | go | func (a *ACIArchive) TransportURL() *url.URL {
// Create a copy of the transport URL
tu, err := url.Parse(a.transportURL.String())
if err != nil {
panic(fmt.Errorf("invalid transport URL: %v", err))
}
return tu
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rkt/rkt | stage0/gc.go | MountGC | func MountGC(path, uuid string) error {
err := common.ChrootPrivateUnmount(path, log, debug)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error cleaning mounts for pod %s", uuid), err)
}
return nil
} | go | func MountGC(path, uuid string) error {
err := common.ChrootPrivateUnmount(path, log, debug)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error cleaning mounts for pod %s", uuid), err)
}
return nil
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rkt/rkt | pkg/pod/uuid.go | matchUUID | func matchUUID(dataDir, uuid string) ([]string, error) {
if uuid == "" {
return nil, types.ErrNoEmptyUUID
}
ls, err := listPods(dataDir, IncludeMostDirs)
if err != nil {
return nil, err
}
var matches []string
for _, p := range ls {
if strings.HasPrefix(p, uuid) {
matches = append(matches, p)
}
}
return matches, nil
} | go | func matchUUID(dataDir, uuid string) ([]string, error) {
if uuid == "" {
return nil, types.ErrNoEmptyUUID
}
ls, err := listPods(dataDir, IncludeMostDirs)
if err != nil {
return nil, err
}
var matches []string
for _, p := range ls {
if strings.HasPrefix(p, uuid) {
matches = append(matches, p)
}
}
return matches, nil
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rkt/rkt | pkg/pod/uuid.go | resolveUUID | func resolveUUID(dataDir, uuid string) (*types.UUID, error) {
uuid = strings.ToLower(uuid)
m, err := matchUUID(dataDir, uuid)
if err != nil {
return nil, err
}
if len(m) == 0 {
return nil, fmt.Errorf("no matches found for %q", uuid)
}
if len(m) > 1 {
return nil, fmt.Errorf("ambiguous uuid, %d matches", len(m))
}
u, err := types.NewUUID(m[0])
if err != nil {
return nil, errwrap.Wrap(errors.New("invalid UUID"), err)
}
return u, nil
} | go | func resolveUUID(dataDir, uuid string) (*types.UUID, error) {
uuid = strings.ToLower(uuid)
m, err := matchUUID(dataDir, uuid)
if err != nil {
return nil, err
}
if len(m) == 0 {
return nil, fmt.Errorf("no matches found for %q", uuid)
}
if len(m) > 1 {
return nil, fmt.Errorf("ambiguous uuid, %d matches", len(m))
}
u, err := types.NewUUID(m[0])
if err != nil {
return nil, errwrap.Wrap(errors.New("invalid UUID"), err)
}
return u, nil
} | [
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] | // resolveUUID attempts to resolve the uuid specified as uuid against all pods present.
// An unambiguously matched uuid or nil is returned. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/uuid.go#L52-L73 | train |
rkt/rkt | pkg/pod/uuid.go | ReadUUIDFromFile | func ReadUUIDFromFile(path string) (string, error) {
uuid, err := ioutil.ReadFile(path)
if err != nil {
return "", err
}
return string(bytes.TrimSpace(uuid)), nil
} | go | func ReadUUIDFromFile(path string) (string, error) {
uuid, err := ioutil.ReadFile(path)
if err != nil {
return "", err
}
return string(bytes.TrimSpace(uuid)), nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/uuid.go#L76-L82 | train |
rkt/rkt | pkg/pod/uuid.go | WriteUUIDToFile | func WriteUUIDToFile(uuid *types.UUID, path string) error {
return ioutil.WriteFile(path, []byte(uuid.String()), 0644)
} | go | func WriteUUIDToFile(uuid *types.UUID, path string) error {
return ioutil.WriteFile(path, []byte(uuid.String()), 0644)
} | [
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rkt/rkt | networking/networking.go | Setup | func Setup(podRoot string, podID types.UUID, fps []commonnet.ForwardedPort, netList common.NetList, localConfig, flavor string, noDNS, debug bool) (*Networking, error) {
stderr = log.New(os.Stderr, "networking", debug)
debuglog = debug
if flavor == "kvm" {
return kvmSetup(podRoot, podID, fps, netList, localConfig, noDNS)
}
// TODO(jonboulle): currently podRoot is _always_ ".", and behaviour in other
// circumstances is untested. This should be cleaned up.
n := Networking{
podEnv: podEnv{
podRoot: podRoot,
podID: podID,
netsLoadList: netList,
localConfig: localConfig,
},
}
err := n.mountNetnsDirectory()
if err != nil {
return nil, err
}
// Create the network namespace (and save its name in a file)
err = n.podNSCreate()
if err != nil {
return nil, err
}
n.nets, err = n.loadNets()
if err != nil {
return nil, errwrap.Wrap(errors.New("error loading network definitions"), err)
}
if err := n.setupNets(n.nets, noDNS); err != nil {
return nil, err
}
if len(fps) > 0 {
if err = n.enableDefaultLocalnetRouting(); err != nil {
return nil, err
}
podIP, err := n.GetForwardableNetPodIP()
if err != nil {
return nil, err
}
if err := n.setupForwarding(); err != nil {
n.teardownForwarding()
return nil, err
}
if err := n.forwardPorts(fps, podIP); err != nil {
n.teardownForwarding()
return nil, err
}
}
// Switch to the podNS
if err := n.podNS.Set(); err != nil {
return nil, err
}
if err = loUp(); err != nil {
return nil, err
}
return &n, nil
} | go | func Setup(podRoot string, podID types.UUID, fps []commonnet.ForwardedPort, netList common.NetList, localConfig, flavor string, noDNS, debug bool) (*Networking, error) {
stderr = log.New(os.Stderr, "networking", debug)
debuglog = debug
if flavor == "kvm" {
return kvmSetup(podRoot, podID, fps, netList, localConfig, noDNS)
}
// TODO(jonboulle): currently podRoot is _always_ ".", and behaviour in other
// circumstances is untested. This should be cleaned up.
n := Networking{
podEnv: podEnv{
podRoot: podRoot,
podID: podID,
netsLoadList: netList,
localConfig: localConfig,
},
}
err := n.mountNetnsDirectory()
if err != nil {
return nil, err
}
// Create the network namespace (and save its name in a file)
err = n.podNSCreate()
if err != nil {
return nil, err
}
n.nets, err = n.loadNets()
if err != nil {
return nil, errwrap.Wrap(errors.New("error loading network definitions"), err)
}
if err := n.setupNets(n.nets, noDNS); err != nil {
return nil, err
}
if len(fps) > 0 {
if err = n.enableDefaultLocalnetRouting(); err != nil {
return nil, err
}
podIP, err := n.GetForwardableNetPodIP()
if err != nil {
return nil, err
}
if err := n.setupForwarding(); err != nil {
n.teardownForwarding()
return nil, err
}
if err := n.forwardPorts(fps, podIP); err != nil {
n.teardownForwarding()
return nil, err
}
}
// Switch to the podNS
if err := n.podNS.Set(); err != nil {
return nil, err
}
if err = loUp(); err != nil {
return nil, err
}
return &n, nil
} | [
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] | // Setup creates a new networking namespace and executes network plugins to
// set up networking. It returns in the new pod namespace | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L67-L135 | train |
rkt/rkt | networking/networking.go | enableDefaultLocalnetRouting | func (n *Networking) enableDefaultLocalnetRouting() error {
routeLocalnetFormat := ""
defaultHostIP, err := n.GetForwardableNetHostIP()
if err != nil {
return err
}
defaultHostIPstring := defaultHostIP.String()
switch {
case strings.Contains(defaultHostIPstring, "."):
routeLocalnetFormat = "/proc/sys/net/ipv4/conf/%s/route_localnet"
case strings.Contains(defaultHostIPstring, ":"):
return fmt.Errorf("unexpected IPv6 Address returned for default host interface: %q", defaultHostIPstring)
default:
return fmt.Errorf("unknown type for default Host IP: %q", defaultHostIPstring)
}
hostIfaces, err := n.GetIfacesByIP(defaultHostIP)
if err != nil {
return err
}
for _, hostIface := range hostIfaces {
routeLocalnetPath := fmt.Sprintf(routeLocalnetFormat, hostIface.Name)
routeLocalnetValue, err := ioutil.ReadFile(routeLocalnetPath)
if err != nil {
return err
}
if strings.TrimSpace(string(routeLocalnetValue)) != "1" {
routeLocalnetFile, err := os.OpenFile(routeLocalnetPath, os.O_WRONLY, 0)
if err != nil {
return err
}
defer routeLocalnetFile.Close()
if _, err = io.WriteString(routeLocalnetFile, "1"); err != nil {
return err
}
}
}
return nil
} | go | func (n *Networking) enableDefaultLocalnetRouting() error {
routeLocalnetFormat := ""
defaultHostIP, err := n.GetForwardableNetHostIP()
if err != nil {
return err
}
defaultHostIPstring := defaultHostIP.String()
switch {
case strings.Contains(defaultHostIPstring, "."):
routeLocalnetFormat = "/proc/sys/net/ipv4/conf/%s/route_localnet"
case strings.Contains(defaultHostIPstring, ":"):
return fmt.Errorf("unexpected IPv6 Address returned for default host interface: %q", defaultHostIPstring)
default:
return fmt.Errorf("unknown type for default Host IP: %q", defaultHostIPstring)
}
hostIfaces, err := n.GetIfacesByIP(defaultHostIP)
if err != nil {
return err
}
for _, hostIface := range hostIfaces {
routeLocalnetPath := fmt.Sprintf(routeLocalnetFormat, hostIface.Name)
routeLocalnetValue, err := ioutil.ReadFile(routeLocalnetPath)
if err != nil {
return err
}
if strings.TrimSpace(string(routeLocalnetValue)) != "1" {
routeLocalnetFile, err := os.OpenFile(routeLocalnetPath, os.O_WRONLY, 0)
if err != nil {
return err
}
defer routeLocalnetFile.Close()
if _, err = io.WriteString(routeLocalnetFile, "1"); err != nil {
return err
}
}
}
return nil
} | [
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] | // enableDefaultLocalnetRouting enables the route_localnet attribute on the supposedly default network interface.
// This allows setting up loopback NAT so the host can access the pod's forwarded ports on the localhost address. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L139-L182 | train |
rkt/rkt | networking/networking.go | Load | func Load(podRoot string, podID *types.UUID, localConfig string) (*Networking, error) {
// the current directory is pod root
pdirfd, err := syscall.Open(podRoot, syscall.O_RDONLY|syscall.O_DIRECTORY, 0)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("failed to open pod root directory (%v)", podRoot), err)
}
defer syscall.Close(pdirfd)
nis, err := netinfo.LoadAt(pdirfd)
if err != nil {
return nil, err
}
var nets []activeNet
for _, ni := range nis {
n, err := loadNet(ni.ConfPath)
if err != nil {
if !os.IsNotExist(err) {
stderr.PrintE(fmt.Sprintf("error loading %q; ignoring", ni.ConfPath), err)
}
continue
}
// make a copy of ni to make it a unique object as it's saved via ptr
rti := ni
n.runtime = &rti
nets = append(nets, *n)
}
p := podEnv{
podRoot: podRoot,
podID: *podID,
localConfig: localConfig,
}
err = p.podNSLoad()
if err != nil {
return nil, err
}
return &Networking{
podEnv: p,
nets: nets,
}, nil
} | go | func Load(podRoot string, podID *types.UUID, localConfig string) (*Networking, error) {
// the current directory is pod root
pdirfd, err := syscall.Open(podRoot, syscall.O_RDONLY|syscall.O_DIRECTORY, 0)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("failed to open pod root directory (%v)", podRoot), err)
}
defer syscall.Close(pdirfd)
nis, err := netinfo.LoadAt(pdirfd)
if err != nil {
return nil, err
}
var nets []activeNet
for _, ni := range nis {
n, err := loadNet(ni.ConfPath)
if err != nil {
if !os.IsNotExist(err) {
stderr.PrintE(fmt.Sprintf("error loading %q; ignoring", ni.ConfPath), err)
}
continue
}
// make a copy of ni to make it a unique object as it's saved via ptr
rti := ni
n.runtime = &rti
nets = append(nets, *n)
}
p := podEnv{
podRoot: podRoot,
podID: *podID,
localConfig: localConfig,
}
err = p.podNSLoad()
if err != nil {
return nil, err
}
return &Networking{
podEnv: p,
nets: nets,
}, nil
} | [
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] | // Load creates the Networking object from saved state.
// Assumes the current netns is that of the host. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L186-L230 | train |
rkt/rkt | networking/networking.go | GetIfacesByIP | func (n *Networking) GetIfacesByIP(ifaceIP net.IP) ([]net.Interface, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
searchAddr := strings.Split(ifaceIP.String(), "/")[0]
resultInterfaces := make([]net.Interface, 0)
for _, iface := range ifaces {
if iface.Flags&net.FlagLoopback != 0 {
continue
}
addrs, err := iface.Addrs()
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot get addresses for interface %v", iface.Name), err)
}
for _, addr := range addrs {
currentAddr := strings.Split(addr.String(), "/")[0]
if searchAddr == currentAddr {
resultInterfaces = append(resultInterfaces, iface)
break
}
}
}
if len(resultInterfaces) == 0 {
return nil, fmt.Errorf("no interface found with IP %q", ifaceIP)
}
return resultInterfaces, nil
} | go | func (n *Networking) GetIfacesByIP(ifaceIP net.IP) ([]net.Interface, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
searchAddr := strings.Split(ifaceIP.String(), "/")[0]
resultInterfaces := make([]net.Interface, 0)
for _, iface := range ifaces {
if iface.Flags&net.FlagLoopback != 0 {
continue
}
addrs, err := iface.Addrs()
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot get addresses for interface %v", iface.Name), err)
}
for _, addr := range addrs {
currentAddr := strings.Split(addr.String(), "/")[0]
if searchAddr == currentAddr {
resultInterfaces = append(resultInterfaces, iface)
break
}
}
}
if len(resultInterfaces) == 0 {
return nil, fmt.Errorf("no interface found with IP %q", ifaceIP)
}
return resultInterfaces, nil
} | [
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] | // GetIfacesByIP searches for and returns the interfaces with the given IP
// Disregards the subnet mask since not every net.IP object contains
// On success it will return the list of found interfaces | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L235-L268 | train |
rkt/rkt | networking/networking.go | Teardown | func (n *Networking) Teardown(flavor string, debug bool) {
stderr = log.New(os.Stderr, "networking", debug)
debuglog = debug
// Teardown everything in reverse order of setup.
// This should be idempotent -- be tolerant of missing stuff
if flavor == "kvm" {
n.kvmTeardown()
return
}
if err := n.teardownForwarding(); err != nil {
stderr.PrintE("error removing forwarded ports", err)
}
err := n.podNSLoad()
if err != nil {
stderr.PrintE("error loading podNS", err)
}
n.teardownNets(n.nets)
n.podNSDestroy()
} | go | func (n *Networking) Teardown(flavor string, debug bool) {
stderr = log.New(os.Stderr, "networking", debug)
debuglog = debug
// Teardown everything in reverse order of setup.
// This should be idempotent -- be tolerant of missing stuff
if flavor == "kvm" {
n.kvmTeardown()
return
}
if err := n.teardownForwarding(); err != nil {
stderr.PrintE("error removing forwarded ports", err)
}
err := n.podNSLoad()
if err != nil {
stderr.PrintE("error loading podNS", err)
}
n.teardownNets(n.nets)
n.podNSDestroy()
} | [
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] | // Teardown cleans up a produced Networking object. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L271-L295 | train |
rkt/rkt | networking/networking.go | Save | func (e *Networking) Save() error {
if e.podNS != nil {
if err := e.podNSPathSave(); err != nil {
return err
}
}
var nis []netinfo.NetInfo
for _, n := range e.nets {
nis = append(nis, *n.runtime)
}
return netinfo.Save(e.podRoot, nis)
} | go | func (e *Networking) Save() error {
if e.podNS != nil {
if err := e.podNSPathSave(); err != nil {
return err
}
}
var nis []netinfo.NetInfo
for _, n := range e.nets {
nis = append(nis, *n.runtime)
}
return netinfo.Save(e.podRoot, nis)
} | [
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] | // Save writes out the info about active nets
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L299-L313 | train |
rkt/rkt | networking/networking.go | CleanUpGarbage | func CleanUpGarbage(podRoot string, podID *types.UUID) error {
p := podEnv{
podRoot: podRoot,
podID: *podID,
}
err := p.podNSLoad()
if err != nil {
return err
}
return p.podNSDestroy()
} | go | func CleanUpGarbage(podRoot string, podID *types.UUID) error {
p := podEnv{
podRoot: podRoot,
podID: *podID,
}
err := p.podNSLoad()
if err != nil {
return err
}
return p.podNSDestroy()
} | [
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] | // CleanUpGarbage can be called when Load fails, but there may still
// be some garbage lying around. Right now, this deletes the namespace. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/networking.go#L317-L328 | train |
rkt/rkt | rkt/image/asc.go | Get | func (a *asc) Get() (readSeekCloser, error) {
if a.Fetcher != nil {
return a.Fetcher.Get(a.Location)
}
return NopReadSeekCloser(nil), nil
} | go | func (a *asc) Get() (readSeekCloser, error) {
if a.Fetcher != nil {
return a.Fetcher.Get(a.Location)
}
return NopReadSeekCloser(nil), nil
} | [
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] | // Get fetches a signature file. It returns nil and no error if there
// was no fetcher set. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/asc.go#L89-L94 | train |
rkt/rkt | rkt/image/finder.go | FindImages | func (f *Finder) FindImages(al *apps.Apps) error {
return al.Walk(func(app *apps.App) error {
h, err := f.FindImage(app.Image, app.Asc)
if err != nil {
return err
}
app.ImageID = *h
return nil
})
} | go | func (f *Finder) FindImages(al *apps.Apps) error {
return al.Walk(func(app *apps.App) error {
h, err := f.FindImage(app.Image, app.Asc)
if err != nil {
return err
}
app.ImageID = *h
return nil
})
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/finder.go#L31-L40 | train |
rkt/rkt | rkt/image/finder.go | FindImage | func (f *Finder) FindImage(img string, asc string) (*types.Hash, error) {
ensureLogger(f.Debug)
// Check if it's an hash
if _, err := types.NewHash(img); err == nil {
h, err := f.getHashFromStore(img)
if err != nil {
return nil, err
}
return h, nil
}
d, err := DistFromImageString(img)
if err != nil {
return nil, err
}
// urls, names, paths have to be fetched, potentially remotely
ft := (*Fetcher)(f)
h, err := ft.FetchImage(d, img, asc)
if err != nil {
return nil, err
}
return h, nil
} | go | func (f *Finder) FindImage(img string, asc string) (*types.Hash, error) {
ensureLogger(f.Debug)
// Check if it's an hash
if _, err := types.NewHash(img); err == nil {
h, err := f.getHashFromStore(img)
if err != nil {
return nil, err
}
return h, nil
}
d, err := DistFromImageString(img)
if err != nil {
return nil, err
}
// urls, names, paths have to be fetched, potentially remotely
ft := (*Fetcher)(f)
h, err := ft.FetchImage(d, img, asc)
if err != nil {
return nil, err
}
return h, nil
} | [
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// store. Otherwise this might involve fetching it from remote with
// the Fetcher. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/finder.go#L45-L69 | train |
rkt/rkt | stage1/common/ssh/ssh.go | fileAccessible | func fileAccessible(path string) bool {
if info, err := os.Stat(path); err == nil {
return info.Mode().IsRegular()
}
return false
} | go | func fileAccessible(path string) bool {
if info, err := os.Stat(path); err == nil {
return info.Mode().IsRegular()
}
return false
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/common/ssh/ssh.go#L44-L49 | train |
rkt/rkt | stage1/common/ssh/ssh.go | generateKeyPair | func generateKeyPair(private string) error {
out, err := exec.Command(
"ssh-keygen",
"-q", // silence
"-t", "dsa", // type
"-b", "1024", // length in bits
"-f", private, // output file
"-N", "", // no passphrase
).Output()
if err != nil {
// out is in form of bytes buffer and we have to turn it into slice ending on first \0 occurrence
return fmt.Errorf("error in keygen time. ret_val: %v, output: %v", err, string(out[:]))
}
return nil
} | go | func generateKeyPair(private string) error {
out, err := exec.Command(
"ssh-keygen",
"-q", // silence
"-t", "dsa", // type
"-b", "1024", // length in bits
"-f", private, // output file
"-N", "", // no passphrase
).Output()
if err != nil {
// out is in form of bytes buffer and we have to turn it into slice ending on first \0 occurrence
return fmt.Errorf("error in keygen time. ret_val: %v, output: %v", err, string(out[:]))
}
return nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/common/ssh/ssh.go#L60-L74 | train |
rkt/rkt | pkg/mountinfo/types.go | NeedsRemountPrivate | func (m *Mount) NeedsRemountPrivate() bool {
for _, key := range []string{
"shared",
"master",
} {
if _, needsRemount := m.Opts[key]; needsRemount {
return true
}
}
return false
} | go | func (m *Mount) NeedsRemountPrivate() bool {
for _, key := range []string{
"shared",
"master",
} {
if _, needsRemount := m.Opts[key]; needsRemount {
return true
}
}
return false
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] | // NeedsRemountPrivate checks if this mountPoint needs to be remounted
// as private, in order for children to be properly unmounted without
// leaking to parents. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/mountinfo/types.go#L34-L44 | train |
rkt/rkt | pkg/mountinfo/types.go | Filter | func (ms Mounts) Filter(f FilterFunc) Mounts {
filtered := make([]*Mount, 0, len(ms))
for _, m := range ms {
if f(m) {
filtered = append(filtered, m)
}
}
return Mounts(filtered)
} | go | func (ms Mounts) Filter(f FilterFunc) Mounts {
filtered := make([]*Mount, 0, len(ms))
for _, m := range ms {
if f(m) {
filtered = append(filtered, m)
}
}
return Mounts(filtered)
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/mountinfo/types.go#L51-L61 | train |
rkt/rkt | pkg/mountinfo/types.go | mountDepth | func (ms Mounts) mountDepth(i int) int {
ancestorCount := 0
current := ms[i]
for found := true; found; {
found = false
for _, mnt := range ms {
if mnt.ID == current.Parent {
ancestorCount++
current = mnt
found = true
break
}
}
}
return ancestorCount
} | go | func (ms Mounts) mountDepth(i int) int {
ancestorCount := 0
current := ms[i]
for found := true; found; {
found = false
for _, mnt := range ms {
if mnt.ID == current.Parent {
ancestorCount++
current = mnt
found = true
break
}
}
}
return ancestorCount
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/mountinfo/types.go#L72-L87 | train |
rkt/rkt | pkg/flag/bitflags.go | NewBitFlags | func NewBitFlags(permissibleOptions []string, defaultOptions string, flagMap map[string]int) (*BitFlags, error) {
ol, err := NewOptionList(permissibleOptions, defaultOptions)
if err != nil {
return nil, err
}
bf := &BitFlags{
OptionList: ol,
FlagMap: flagMap,
}
bf.typeName = "BitFlags"
if err := bf.Set(defaultOptions); err != nil {
return nil, errwrap.Wrap(errors.New("problem setting defaults"), err)
}
return bf, nil
} | go | func NewBitFlags(permissibleOptions []string, defaultOptions string, flagMap map[string]int) (*BitFlags, error) {
ol, err := NewOptionList(permissibleOptions, defaultOptions)
if err != nil {
return nil, err
}
bf := &BitFlags{
OptionList: ol,
FlagMap: flagMap,
}
bf.typeName = "BitFlags"
if err := bf.Set(defaultOptions); err != nil {
return nil, errwrap.Wrap(errors.New("problem setting defaults"), err)
}
return bf, nil
} | [
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// flagMap is the mapping from option names to the integer value | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/flag/bitflags.go#L33-L50 | train |
rkt/rkt | tools/common/filelist/filelist.go | parseList | func parseList(scanner *bufio.Scanner, count int) ([]string, error) {
got := 0
items := make([]string, 0, count)
for {
if !scanner.Scan() {
if err := scanner.Err(); err != nil {
return nil, err
}
return nil, fmt.Errorf("expected either an empty line or a line with an item, unexpected EOF?")
}
line := scanner.Text()
if line == "" {
if got < count {
return nil, fmt.Errorf("too few items (declared %d, got %d)", count, got)
}
break
}
got++
if got > count {
return nil, fmt.Errorf("too many items (declared %d)", count)
}
items = append(items, line)
}
return items, nil
} | go | func parseList(scanner *bufio.Scanner, count int) ([]string, error) {
got := 0
items := make([]string, 0, count)
for {
if !scanner.Scan() {
if err := scanner.Err(); err != nil {
return nil, err
}
return nil, fmt.Errorf("expected either an empty line or a line with an item, unexpected EOF?")
}
line := scanner.Text()
if line == "" {
if got < count {
return nil, fmt.Errorf("too few items (declared %d, got %d)", count, got)
}
break
}
got++
if got > count {
return nil, fmt.Errorf("too many items (declared %d)", count)
}
items = append(items, line)
}
return items, nil
} | [
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] | // parseList parses the list part of a block. It makes sure that there
// is an exactly expected count of items. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/tools/common/filelist/filelist.go#L89-L113 | train |
rkt/rkt | tools/common/filelist/filelist.go | GenerateFilelist | func (list *Lists) GenerateFilelist(out io.Writer) error {
w := bufio.NewWriter(out)
for _, pair := range list.getPairs() {
dLen := len(*pair.data)
toWrite := []string{
pair.kind,
"\n(",
strconv.Itoa(dLen),
")\n",
}
if dLen > 0 {
toWrite = append(toWrite,
strings.Join(*pair.data, "\n"),
"\n")
}
toWrite = append(toWrite, "\n")
for _, str := range toWrite {
if _, err := w.WriteString(str); err != nil {
return err
}
}
}
w.Flush()
return nil
} | go | func (list *Lists) GenerateFilelist(out io.Writer) error {
w := bufio.NewWriter(out)
for _, pair := range list.getPairs() {
dLen := len(*pair.data)
toWrite := []string{
pair.kind,
"\n(",
strconv.Itoa(dLen),
")\n",
}
if dLen > 0 {
toWrite = append(toWrite,
strings.Join(*pair.data, "\n"),
"\n")
}
toWrite = append(toWrite, "\n")
for _, str := range toWrite {
if _, err := w.WriteString(str); err != nil {
return err
}
}
}
w.Flush()
return nil
} | [
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] | // GenerateFilelist generates a filelist, duh. And writes it to a
// given writer. The format of generated file is described in
// filelist.ParseFilelist. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/tools/common/filelist/filelist.go#L166-L190 | train |
rkt/rkt | tools/depsgen/mkfile.go | GenerateFileDeps | func GenerateFileDeps(target, filesGenerator string, files []string) string {
return replacePlaceholders(fileDepMkTemplate,
"DEPS_GEN_APP_NAME", appName(),
"DEPS_GEN_FILES_GENERATOR", filesGenerator,
"DEPS_GEN_ALL_FILES_STORED", strings.Join(files, " "),
"DEPS_GEN_TARGET", target,
)
} | go | func GenerateFileDeps(target, filesGenerator string, files []string) string {
return replacePlaceholders(fileDepMkTemplate,
"DEPS_GEN_APP_NAME", appName(),
"DEPS_GEN_FILES_GENERATOR", filesGenerator,
"DEPS_GEN_ALL_FILES_STORED", strings.Join(files, " "),
"DEPS_GEN_TARGET", target,
)
} | [
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")",
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"}"
] | // GenerateFileDeps returns contents of make file describing
// dependencies of given target on given files and checking if files
// weren't added or removed in directories where given files are. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/tools/depsgen/mkfile.go#L101-L108 | train |
rkt/rkt | common/resolv_conf.go | MakeResolvConf | func MakeResolvConf(dns cnitypes.DNS, comment string) string {
content := ""
if len(comment) > 0 {
content += fmt.Sprintf("# %s\n\n", comment)
}
if len(dns.Search) > 0 {
content += fmt.Sprintf("search %s\n", strings.Join(dns.Search, " "))
}
for _, ns := range dns.Nameservers {
content += fmt.Sprintf("nameserver %s\n", ns)
}
if len(dns.Options) > 0 {
content += fmt.Sprintf("options %s\n", strings.Join(dns.Options, " "))
}
if len(dns.Domain) > 0 {
content += fmt.Sprintf("domain %s\n", dns.Domain)
}
return content
} | go | func MakeResolvConf(dns cnitypes.DNS, comment string) string {
content := ""
if len(comment) > 0 {
content += fmt.Sprintf("# %s\n\n", comment)
}
if len(dns.Search) > 0 {
content += fmt.Sprintf("search %s\n", strings.Join(dns.Search, " "))
}
for _, ns := range dns.Nameservers {
content += fmt.Sprintf("nameserver %s\n", ns)
}
if len(dns.Options) > 0 {
content += fmt.Sprintf("options %s\n", strings.Join(dns.Options, " "))
}
if len(dns.Domain) > 0 {
content += fmt.Sprintf("domain %s\n", dns.Domain)
}
return content
} | [
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] | // MakeResolvConf generates resolv.conf contents given a cni DNS configuration | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/resolv_conf.go#L25-L46 | train |
rkt/rkt | pkg/tar/tar.go | extractFileFromTar | func extractFileFromTar(tr *tar.Reader, file string) ([]byte, error) {
for {
hdr, err := tr.Next()
switch err {
case io.EOF:
return nil, fmt.Errorf("file not found")
case nil:
if filepath.Clean(hdr.Name) != filepath.Clean(file) {
continue
}
switch hdr.Typeflag {
case tar.TypeReg:
case tar.TypeRegA:
default:
return nil, fmt.Errorf("requested file not a regular file")
}
buf, err := ioutil.ReadAll(tr)
if err != nil {
return nil, err
}
return buf, nil
default:
return nil, err
}
}
} | go | func extractFileFromTar(tr *tar.Reader, file string) ([]byte, error) {
for {
hdr, err := tr.Next()
switch err {
case io.EOF:
return nil, fmt.Errorf("file not found")
case nil:
if filepath.Clean(hdr.Name) != filepath.Clean(file) {
continue
}
switch hdr.Typeflag {
case tar.TypeReg:
case tar.TypeRegA:
default:
return nil, fmt.Errorf("requested file not a regular file")
}
buf, err := ioutil.ReadAll(tr)
if err != nil {
return nil, err
}
return buf, nil
default:
return nil, err
}
}
} | [
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// contents as a byte slice | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/tar/tar.go#L248-L273 | train |
rkt/rkt | networking/portfwd.go | GetForwardableNet | func (n *Networking) GetForwardableNet() (*activeNet, error) {
numberNets := len(n.nets)
if numberNets == 0 {
return nil, fmt.Errorf("no networks found")
}
for _, net := range n.nets {
if net.IPMasq() {
return &net, nil
}
}
return &n.nets[numberNets-1], nil
} | go | func (n *Networking) GetForwardableNet() (*activeNet, error) {
numberNets := len(n.nets)
if numberNets == 0 {
return nil, fmt.Errorf("no networks found")
}
for _, net := range n.nets {
if net.IPMasq() {
return &net, nil
}
}
return &n.nets[numberNets-1], nil
} | [
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] | // GetForwardableNet iterates through all loaded networks and returns either
// the first network that has masquerading enabled,
// or the last network in case there is no masqueraded one,
// or an error if no network was loaded. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/portfwd.go#L36-L47 | train |
rkt/rkt | networking/portfwd.go | setupForwarding | func (e *podEnv) setupForwarding() error {
ipt, err := iptables.New()
if err != nil {
return err
}
// Create a separate chain for this pod. This helps with debugging
// and makes it easier to cleanup
chainDNAT := e.portFwdChain("DNAT")
chainSNAT := e.portFwdChain("SNAT")
if err = ipt.NewChain("nat", chainDNAT); err != nil {
return err
}
if err = ipt.NewChain("nat", chainSNAT); err != nil {
return err
}
chainRuleDNAT := e.portFwdChainRuleSpec(chainDNAT, "DNAT")
chainRuleSNAT := e.portFwdChainRuleSpec(chainSNAT, "SNAT")
for _, entry := range []struct {
chain string
customChainRule []string
}{
{"POSTROUTING", chainRuleSNAT}, // traffic originating from this host from loopback
{"PREROUTING", chainRuleDNAT}, // outside traffic hitting this host
{"OUTPUT", chainRuleDNAT}, // traffic originating from this host on non-loopback
} {
exists, err := ipt.Exists("nat", entry.chain, entry.customChainRule...)
if err != nil {
return err
}
if !exists {
err = ipt.Insert("nat", entry.chain, 1, entry.customChainRule...)
if err != nil {
return err
}
}
}
return nil
} | go | func (e *podEnv) setupForwarding() error {
ipt, err := iptables.New()
if err != nil {
return err
}
// Create a separate chain for this pod. This helps with debugging
// and makes it easier to cleanup
chainDNAT := e.portFwdChain("DNAT")
chainSNAT := e.portFwdChain("SNAT")
if err = ipt.NewChain("nat", chainDNAT); err != nil {
return err
}
if err = ipt.NewChain("nat", chainSNAT); err != nil {
return err
}
chainRuleDNAT := e.portFwdChainRuleSpec(chainDNAT, "DNAT")
chainRuleSNAT := e.portFwdChainRuleSpec(chainSNAT, "SNAT")
for _, entry := range []struct {
chain string
customChainRule []string
}{
{"POSTROUTING", chainRuleSNAT}, // traffic originating from this host from loopback
{"PREROUTING", chainRuleDNAT}, // outside traffic hitting this host
{"OUTPUT", chainRuleDNAT}, // traffic originating from this host on non-loopback
} {
exists, err := ipt.Exists("nat", entry.chain, entry.customChainRule...)
if err != nil {
return err
}
if !exists {
err = ipt.Insert("nat", entry.chain, 1, entry.customChainRule...)
if err != nil {
return err
}
}
}
return nil
} | [
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"}",
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"}",
"\n",
"}",
"\n",
"return",
"nil",
"\n",
"}"
] | // setupForwarding creates the iptables chains | [
"setupForwarding",
"creates",
"the",
"iptables",
"chains"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/portfwd.go#L70-L112 | train |
rkt/rkt | stage1/init/kvm.go | KvmNetworkingToSystemd | func KvmNetworkingToSystemd(p *stage1commontypes.Pod, n *networking.Networking) error {
podRoot := common.Stage1RootfsPath(p.Root)
// networking
netDescriptions := kvm.GetNetworkDescriptions(n)
if err := kvm.GenerateNetworkInterfaceUnits(filepath.Join(podRoot, stage1initcommon.UnitsDir), netDescriptions); err != nil {
return errwrap.Wrap(errors.New("failed to transform networking to units"), err)
}
return nil
} | go | func KvmNetworkingToSystemd(p *stage1commontypes.Pod, n *networking.Networking) error {
podRoot := common.Stage1RootfsPath(p.Root)
// networking
netDescriptions := kvm.GetNetworkDescriptions(n)
if err := kvm.GenerateNetworkInterfaceUnits(filepath.Join(podRoot, stage1initcommon.UnitsDir), netDescriptions); err != nil {
return errwrap.Wrap(errors.New("failed to transform networking to units"), err)
}
return nil
} | [
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] | // KvmNetworkingToSystemd generates systemd unit files for a pod according to network configuration | [
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"a",
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm.go#L44-L54 | train |
rkt/rkt | pkg/pod/pods.go | initPods | func initPods(dataDir string) error {
if !podsInitialized {
dirs := []string{embryoDir(dataDir), prepareDir(dataDir), preparedDir(dataDir), runDir(dataDir), exitedGarbageDir(dataDir), garbageDir(dataDir)}
for _, d := range dirs {
if err := os.MkdirAll(d, 0750); err != nil {
return errwrap.Wrap(errors.New("error creating directory"), err)
}
}
podsInitialized = true
}
return nil
} | go | func initPods(dataDir string) error {
if !podsInitialized {
dirs := []string{embryoDir(dataDir), prepareDir(dataDir), preparedDir(dataDir), runDir(dataDir), exitedGarbageDir(dataDir), garbageDir(dataDir)}
for _, d := range dirs {
if err := os.MkdirAll(d, 0750); err != nil {
return errwrap.Wrap(errors.New("error creating directory"), err)
}
}
podsInitialized = true
}
return nil
} | [
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] | // initPods creates the required global directories | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L136-L147 | train |
rkt/rkt | pkg/pod/pods.go | embryoPath | func (p *Pod) embryoPath() string {
return filepath.Join(embryoDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) embryoPath() string {
return filepath.Join(embryoDir(p.dataDir), p.UUID.String())
} | [
"func",
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"UUID",
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"String",
"(",
")",
")",
"\n",
"}"
] | // embryoPath returns the path to the pod where it would be in the embryoDir in its embryonic state. | [
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"."
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L304-L306 | train |
rkt/rkt | pkg/pod/pods.go | preparePath | func (p *Pod) preparePath() string {
return filepath.Join(prepareDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) preparePath() string {
return filepath.Join(prepareDir(p.dataDir), p.UUID.String())
} | [
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")",
"\n",
"}"
] | // preparePath returns the path to the pod where it would be in the prepareDir in its preparing state. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L309-L311 | train |
rkt/rkt | pkg/pod/pods.go | preparedPath | func (p *Pod) preparedPath() string {
return filepath.Join(preparedDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) preparedPath() string {
return filepath.Join(preparedDir(p.dataDir), p.UUID.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L314-L316 | train |
rkt/rkt | pkg/pod/pods.go | runPath | func (p *Pod) runPath() string {
return filepath.Join(runDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) runPath() string {
return filepath.Join(runDir(p.dataDir), p.UUID.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L319-L321 | train |
rkt/rkt | pkg/pod/pods.go | exitedGarbagePath | func (p *Pod) exitedGarbagePath() string {
return filepath.Join(exitedGarbageDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) exitedGarbagePath() string {
return filepath.Join(exitedGarbageDir(p.dataDir), p.UUID.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L324-L326 | train |
rkt/rkt | pkg/pod/pods.go | garbagePath | func (p *Pod) garbagePath() string {
return filepath.Join(garbageDir(p.dataDir), p.UUID.String())
} | go | func (p *Pod) garbagePath() string {
return filepath.Join(garbageDir(p.dataDir), p.UUID.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L329-L331 | train |
rkt/rkt | pkg/pod/pods.go | ToExitedGarbage | func (p *Pod) ToExitedGarbage() error {
if !p.isExited || p.isExitedGarbage {
return fmt.Errorf("bug: only exited non-garbage pods may transition to exited-garbage")
}
if err := os.Rename(p.runPath(), p.exitedGarbagePath()); err != nil {
// TODO(vc): another case where we could race with a concurrent ToExitedGarbage(), let caller deal with the error.
return err
}
df, err := os.Open(exitedGarbageDir(p.dataDir))
if err != nil {
return err
}
defer df.Close()
if err := df.Sync(); err != nil {
return err
}
p.isExitedGarbage = true
return nil
} | go | func (p *Pod) ToExitedGarbage() error {
if !p.isExited || p.isExitedGarbage {
return fmt.Errorf("bug: only exited non-garbage pods may transition to exited-garbage")
}
if err := os.Rename(p.runPath(), p.exitedGarbagePath()); err != nil {
// TODO(vc): another case where we could race with a concurrent ToExitedGarbage(), let caller deal with the error.
return err
}
df, err := os.Open(exitedGarbageDir(p.dataDir))
if err != nil {
return err
}
defer df.Close()
if err := df.Sync(); err != nil {
return err
}
p.isExitedGarbage = true
return nil
} | [
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] | // ToExitedGarbage transitions a pod from run -> exitedGarbage
// This method refreshes the pod state. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L440-L462 | train |
rkt/rkt | pkg/pod/pods.go | ToGarbage | func (p *Pod) ToGarbage() error {
if !p.isAbortedPrepare && !p.isPrepared {
return fmt.Errorf("bug: only failed prepare or prepared pods may transition to garbage")
}
if err := os.Rename(p.Path(), p.garbagePath()); err != nil {
return err
}
df, err := os.Open(garbageDir(p.dataDir))
if err != nil {
return err
}
defer df.Close()
if err := df.Sync(); err != nil {
return err
}
p.isAbortedPrepare = false
p.isPrepared = false
p.isGarbage = true
return nil
} | go | func (p *Pod) ToGarbage() error {
if !p.isAbortedPrepare && !p.isPrepared {
return fmt.Errorf("bug: only failed prepare or prepared pods may transition to garbage")
}
if err := os.Rename(p.Path(), p.garbagePath()); err != nil {
return err
}
df, err := os.Open(garbageDir(p.dataDir))
if err != nil {
return err
}
defer df.Close()
if err := df.Sync(); err != nil {
return err
}
p.isAbortedPrepare = false
p.isPrepared = false
p.isGarbage = true
return nil
} | [
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// This method refreshes the pod state. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L466-L489 | train |
rkt/rkt | pkg/pod/pods.go | listPods | func listPods(dataDir string, include IncludeMask) ([]string, error) {
// uniqued due to the possibility of a pod being renamed from across directories during the list operation
ups := make(map[string]struct{})
dirs := []struct {
kind IncludeMask
path string
}{
{ // the order here is significant: embryo -> preparing -> prepared -> running -> exitedGarbage
kind: IncludeEmbryoDir,
path: embryoDir(dataDir),
}, {
kind: IncludePrepareDir,
path: prepareDir(dataDir),
}, {
kind: IncludePreparedDir,
path: preparedDir(dataDir),
}, {
kind: IncludeRunDir,
path: runDir(dataDir),
}, {
kind: IncludeExitedGarbageDir,
path: exitedGarbageDir(dataDir),
}, {
kind: IncludeGarbageDir,
path: garbageDir(dataDir),
},
}
for _, d := range dirs {
if include&d.kind != 0 {
ps, err := listPodsFromDir(d.path)
if err != nil {
return nil, err
}
for _, p := range ps {
ups[p] = struct{}{}
}
}
}
ps := make([]string, 0, len(ups))
for p := range ups {
ps = append(ps, p)
}
return ps, nil
} | go | func listPods(dataDir string, include IncludeMask) ([]string, error) {
// uniqued due to the possibility of a pod being renamed from across directories during the list operation
ups := make(map[string]struct{})
dirs := []struct {
kind IncludeMask
path string
}{
{ // the order here is significant: embryo -> preparing -> prepared -> running -> exitedGarbage
kind: IncludeEmbryoDir,
path: embryoDir(dataDir),
}, {
kind: IncludePrepareDir,
path: prepareDir(dataDir),
}, {
kind: IncludePreparedDir,
path: preparedDir(dataDir),
}, {
kind: IncludeRunDir,
path: runDir(dataDir),
}, {
kind: IncludeExitedGarbageDir,
path: exitedGarbageDir(dataDir),
}, {
kind: IncludeGarbageDir,
path: garbageDir(dataDir),
},
}
for _, d := range dirs {
if include&d.kind != 0 {
ps, err := listPodsFromDir(d.path)
if err != nil {
return nil, err
}
for _, p := range ps {
ups[p] = struct{}{}
}
}
}
ps := make([]string, 0, len(ups))
for p := range ups {
ps = append(ps, p)
}
return ps, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L492-L538 | train |
rkt/rkt | pkg/pod/pods.go | listPodsFromDir | func listPodsFromDir(cdir string) ([]string, error) {
var ps []string
ls, err := ioutil.ReadDir(cdir)
if err != nil {
if os.IsNotExist(err) {
return ps, nil
}
return nil, errwrap.Wrap(errors.New("cannot read pods directory"), err)
}
for _, p := range ls {
if !p.IsDir() {
fmt.Fprintf(os.Stderr, "unrecognized entry: %q, ignoring", p.Name())
continue
}
ps = append(ps, p.Name())
}
return ps, nil
} | go | func listPodsFromDir(cdir string) ([]string, error) {
var ps []string
ls, err := ioutil.ReadDir(cdir)
if err != nil {
if os.IsNotExist(err) {
return ps, nil
}
return nil, errwrap.Wrap(errors.New("cannot read pods directory"), err)
}
for _, p := range ls {
if !p.IsDir() {
fmt.Fprintf(os.Stderr, "unrecognized entry: %q, ignoring", p.Name())
continue
}
ps = append(ps, p.Name())
}
return ps, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L541-L561 | train |
rkt/rkt | pkg/pod/pods.go | readFile | func (p *Pod) readFile(path string) ([]byte, error) {
f, err := p.openFile(path, syscall.O_RDONLY)
if err != nil {
return nil, err
}
defer f.Close()
return ioutil.ReadAll(f)
} | go | func (p *Pod) readFile(path string) ([]byte, error) {
f, err := p.openFile(path, syscall.O_RDONLY)
if err != nil {
return nil, err
}
defer f.Close()
return ioutil.ReadAll(f)
} | [
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] | // readFile reads an entire file from a pod's directory. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L654-L662 | train |
rkt/rkt | pkg/pod/pods.go | readIntFromFile | func (p *Pod) readIntFromFile(path string) (i int, err error) {
b, err := p.readFile(path)
if err != nil {
return
}
_, err = fmt.Sscanf(string(b), "%d", &i)
return
} | go | func (p *Pod) readIntFromFile(path string) (i int, err error) {
b, err := p.readFile(path)
if err != nil {
return
}
_, err = fmt.Sscanf(string(b), "%d", &i)
return
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rkt/rkt | pkg/pod/pods.go | openFile | func (p *Pod) openFile(path string, flags int) (*os.File, error) {
cdirfd, err := p.Fd()
if err != nil {
return nil, err
}
fd, err := syscall.Openat(cdirfd, path, flags, 0)
if err != nil {
return nil, err
}
return os.NewFile(uintptr(fd), path), nil
} | go | func (p *Pod) openFile(path string, flags int) (*os.File, error) {
cdirfd, err := p.Fd()
if err != nil {
return nil, err
}
fd, err := syscall.Openat(cdirfd, path, flags, 0)
if err != nil {
return nil, err
}
return os.NewFile(uintptr(fd), path), nil
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rkt/rkt | pkg/pod/pods.go | getChildPID | func getChildPID(ppid int) (int, error) {
var pid int
// If possible, get the child in O(1). Fallback on O(n) when the kernel does not have
// either CONFIG_PROC_CHILDREN or CONFIG_CHECKPOINT_RESTORE
_, err := os.Stat("/proc/1/task/1/children")
if err == nil {
b, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/task/%d/children", ppid, ppid))
if err == nil {
children := strings.SplitN(string(b), " ", 2)
if len(children) == 2 && children[1] != "" {
return -1, fmt.Errorf("too many children of pid %d", ppid)
}
if _, err := fmt.Sscanf(children[0], "%d ", &pid); err == nil {
return pid, nil
}
}
return -1, ErrChildNotReady{}
}
// Fallback on the slower method
fdir, err := os.Open(`/proc`)
if err != nil {
return -1, err
}
defer fdir.Close()
for {
fi, err := fdir.Readdir(1)
if err == io.EOF {
break
}
if err != nil {
return -1, err
}
if len(fi) == 0 {
// See https://github.com/rkt/rkt/issues/3109#issuecomment-242209246
continue
}
var pid64 int64
if pid64, err = strconv.ParseInt(fi[0].Name(), 10, 0); err != nil {
continue
}
filename := fmt.Sprintf("/proc/%d/stat", pid64)
statBytes, err := ioutil.ReadFile(filename)
if err != nil {
// The process just died? It's not the one we want then.
continue
}
statFields := strings.SplitN(string(statBytes), " ", 5)
if len(statFields) != 5 {
return -1, fmt.Errorf("incomplete file %q", filename)
}
if statFields[3] == fmt.Sprintf("%d", ppid) {
return int(pid64), nil
}
}
return -1, ErrChildNotReady{}
} | go | func getChildPID(ppid int) (int, error) {
var pid int
// If possible, get the child in O(1). Fallback on O(n) when the kernel does not have
// either CONFIG_PROC_CHILDREN or CONFIG_CHECKPOINT_RESTORE
_, err := os.Stat("/proc/1/task/1/children")
if err == nil {
b, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/task/%d/children", ppid, ppid))
if err == nil {
children := strings.SplitN(string(b), " ", 2)
if len(children) == 2 && children[1] != "" {
return -1, fmt.Errorf("too many children of pid %d", ppid)
}
if _, err := fmt.Sscanf(children[0], "%d ", &pid); err == nil {
return pid, nil
}
}
return -1, ErrChildNotReady{}
}
// Fallback on the slower method
fdir, err := os.Open(`/proc`)
if err != nil {
return -1, err
}
defer fdir.Close()
for {
fi, err := fdir.Readdir(1)
if err == io.EOF {
break
}
if err != nil {
return -1, err
}
if len(fi) == 0 {
// See https://github.com/rkt/rkt/issues/3109#issuecomment-242209246
continue
}
var pid64 int64
if pid64, err = strconv.ParseInt(fi[0].Name(), 10, 0); err != nil {
continue
}
filename := fmt.Sprintf("/proc/%d/stat", pid64)
statBytes, err := ioutil.ReadFile(filename)
if err != nil {
// The process just died? It's not the one we want then.
continue
}
statFields := strings.SplitN(string(statBytes), " ", 5)
if len(statFields) != 5 {
return -1, fmt.Errorf("incomplete file %q", filename)
}
if statFields[3] == fmt.Sprintf("%d", ppid) {
return int(pid64), nil
}
}
return -1, ErrChildNotReady{}
} | [
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"if",
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L712-L771 | train |
rkt/rkt | pkg/pod/pods.go | getAppsHashes | func (p *Pod) getAppsHashes() ([]types.Hash, error) {
apps, err := p.getApps()
if err != nil {
return nil, err
}
var hashes []types.Hash
for _, a := range apps {
hashes = append(hashes, a.Image.ID)
}
return hashes, nil
} | go | func (p *Pod) getAppsHashes() ([]types.Hash, error) {
apps, err := p.getApps()
if err != nil {
return nil, err
}
var hashes []types.Hash
for _, a := range apps {
hashes = append(hashes, a.Image.ID)
}
return hashes, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L824-L836 | train |
rkt/rkt | pkg/pod/pods.go | getApps | func (p *Pod) getApps() (schema.AppList, error) {
_, pm, err := p.PodManifest()
if err != nil {
return nil, err
}
return pm.Apps, nil
} | go | func (p *Pod) getApps() (schema.AppList, error) {
_, pm, err := p.PodManifest()
if err != nil {
return nil, err
}
return pm.Apps, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L839-L845 | train |
rkt/rkt | pkg/pod/pods.go | getDirNames | func (p *Pod) getDirNames(path string) ([]string, error) {
dir, err := p.openFile(path, syscall.O_RDONLY|syscall.O_DIRECTORY)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to open directory"), err)
}
defer dir.Close()
ld, err := dir.Readdirnames(0)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to read directory"), err)
}
return ld, nil
} | go | func (p *Pod) getDirNames(path string) ([]string, error) {
dir, err := p.openFile(path, syscall.O_RDONLY|syscall.O_DIRECTORY)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to open directory"), err)
}
defer dir.Close()
ld, err := dir.Readdirnames(0)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to read directory"), err)
}
return ld, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L848-L861 | train |
rkt/rkt | pkg/pod/pods.go | Sync | func (p *Pod) Sync() error {
cfd, err := p.Fd()
if err != nil {
return errwrap.Wrap(fmt.Errorf("error acquiring pod %v dir fd", p.UUID.String()), err)
}
if err := sys.Syncfs(cfd); err != nil {
return errwrap.Wrap(fmt.Errorf("failed to sync pod %v data", p.UUID.String()), err)
}
return nil
} | go | func (p *Pod) Sync() error {
cfd, err := p.Fd()
if err != nil {
return errwrap.Wrap(fmt.Errorf("error acquiring pod %v dir fd", p.UUID.String()), err)
}
if err := sys.Syncfs(cfd); err != nil {
return errwrap.Wrap(fmt.Errorf("failed to sync pod %v data", p.UUID.String()), err)
}
return nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L873-L882 | train |
rkt/rkt | pkg/pod/pods.go | WalkPods | func WalkPods(dataDir string, include IncludeMask, f func(*Pod)) error {
if err := initPods(dataDir); err != nil {
return err
}
ls, err := listPods(dataDir, include)
if err != nil {
return errwrap.Wrap(errors.New("failed to get pods"), err)
}
sort.Strings(ls)
for _, uuid := range ls {
u, err := types.NewUUID(uuid)
if err != nil {
fmt.Fprintf(os.Stderr, "skipping %q: %v", uuid, err)
continue
}
p, err := getPod(dataDir, u)
if err != nil {
fmt.Fprintf(os.Stderr, "skipping %q: %v", uuid, err)
continue
}
// omit pods found in unrequested states
// this is to cover a race between listPods finding the uuids and pod states changing
// it's preferable to keep these operations lock-free, for example a `rkt gc` shouldn't block `rkt run`.
if p.isEmbryo && include&IncludeEmbryoDir == 0 ||
p.isExitedGarbage && include&IncludeExitedGarbageDir == 0 ||
p.isGarbage && include&IncludeGarbageDir == 0 ||
p.isPrepared && include&IncludePreparedDir == 0 ||
((p.isPreparing || p.isAbortedPrepare) && include&IncludePrepareDir == 0) ||
p.isRunning() && include&IncludeRunDir == 0 {
p.Close()
continue
}
f(p)
p.Close()
}
return nil
} | go | func WalkPods(dataDir string, include IncludeMask, f func(*Pod)) error {
if err := initPods(dataDir); err != nil {
return err
}
ls, err := listPods(dataDir, include)
if err != nil {
return errwrap.Wrap(errors.New("failed to get pods"), err)
}
sort.Strings(ls)
for _, uuid := range ls {
u, err := types.NewUUID(uuid)
if err != nil {
fmt.Fprintf(os.Stderr, "skipping %q: %v", uuid, err)
continue
}
p, err := getPod(dataDir, u)
if err != nil {
fmt.Fprintf(os.Stderr, "skipping %q: %v", uuid, err)
continue
}
// omit pods found in unrequested states
// this is to cover a race between listPods finding the uuids and pod states changing
// it's preferable to keep these operations lock-free, for example a `rkt gc` shouldn't block `rkt run`.
if p.isEmbryo && include&IncludeEmbryoDir == 0 ||
p.isExitedGarbage && include&IncludeExitedGarbageDir == 0 ||
p.isGarbage && include&IncludeGarbageDir == 0 ||
p.isPrepared && include&IncludePreparedDir == 0 ||
((p.isPreparing || p.isAbortedPrepare) && include&IncludePrepareDir == 0) ||
p.isRunning() && include&IncludeRunDir == 0 {
p.Close()
continue
}
f(p)
p.Close()
}
return nil
} | [
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// The pod will be closed after the function 'f' is executed. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L886-L927 | train |
rkt/rkt | pkg/pod/pods.go | PodManifest | func (p *Pod) PodManifest() ([]byte, *schema.PodManifest, error) {
pmb, err := p.readFile("pod")
if err != nil {
return nil, nil, errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
pm := &schema.PodManifest{}
if err = pm.UnmarshalJSON(pmb); err != nil {
return nil, nil, errwrap.Wrap(errors.New("invalid pod manifest"), err)
}
return pmb, pm, nil
} | go | func (p *Pod) PodManifest() ([]byte, *schema.PodManifest, error) {
pmb, err := p.readFile("pod")
if err != nil {
return nil, nil, errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
pm := &schema.PodManifest{}
if err = pm.UnmarshalJSON(pmb); err != nil {
return nil, nil, errwrap.Wrap(errors.New("invalid pod manifest"), err)
}
return pmb, pm, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L930-L940 | train |
rkt/rkt | pkg/pod/pods.go | AppImageManifest | func (p *Pod) AppImageManifest(appName string) (*schema.ImageManifest, error) {
appACName, err := types.NewACName(appName)
if err != nil {
return nil, err
}
imb, err := ioutil.ReadFile(common.AppImageManifestPath(p.Path(), *appACName))
if err != nil {
return nil, err
}
aim := &schema.ImageManifest{}
if err := aim.UnmarshalJSON(imb); err != nil {
return nil, errwrap.Wrap(fmt.Errorf("invalid image manifest for app %q", appName), err)
}
return aim, nil
} | go | func (p *Pod) AppImageManifest(appName string) (*schema.ImageManifest, error) {
appACName, err := types.NewACName(appName)
if err != nil {
return nil, err
}
imb, err := ioutil.ReadFile(common.AppImageManifestPath(p.Path(), *appACName))
if err != nil {
return nil, err
}
aim := &schema.ImageManifest{}
if err := aim.UnmarshalJSON(imb); err != nil {
return nil, errwrap.Wrap(fmt.Errorf("invalid image manifest for app %q", appName), err)
}
return aim, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L943-L959 | train |
rkt/rkt | pkg/pod/pods.go | CreationTime | func (p *Pod) CreationTime() (time.Time, error) {
if !(p.isPrepared || p.isRunning() || p.IsAfterRun()) {
return time.Time{}, nil
}
t, err := p.getModTime("pod-created")
if err == nil {
return t, nil
}
if !os.IsNotExist(err) {
return t, err
}
// backwards compatibility with rkt before v1.20
return p.getModTime("pod")
} | go | func (p *Pod) CreationTime() (time.Time, error) {
if !(p.isPrepared || p.isRunning() || p.IsAfterRun()) {
return time.Time{}, nil
}
t, err := p.getModTime("pod-created")
if err == nil {
return t, nil
}
if !os.IsNotExist(err) {
return t, err
}
// backwards compatibility with rkt before v1.20
return p.getModTime("pod")
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L963-L976 | train |
rkt/rkt | pkg/pod/pods.go | StartTime | func (p *Pod) StartTime() (time.Time, error) {
var (
t time.Time
retErr error
)
if !p.isRunning() && !p.IsAfterRun() {
// hasn't started
return t, nil
}
// check pid and ppid since stage1s can choose one xor the other
for _, ctimeFile := range []string{"pid", "ppid"} {
t, err := p.getModTime(ctimeFile)
if err == nil {
return t, nil
}
// if there's an error starting the pod, it can go to "exited" without
// creating a ppid/pid file, so ignore not-exist errors.
if !os.IsNotExist(err) {
retErr = err
}
}
return t, retErr
} | go | func (p *Pod) StartTime() (time.Time, error) {
var (
t time.Time
retErr error
)
if !p.isRunning() && !p.IsAfterRun() {
// hasn't started
return t, nil
}
// check pid and ppid since stage1s can choose one xor the other
for _, ctimeFile := range []string{"pid", "ppid"} {
t, err := p.getModTime(ctimeFile)
if err == nil {
return t, nil
}
// if there's an error starting the pod, it can go to "exited" without
// creating a ppid/pid file, so ignore not-exist errors.
if !os.IsNotExist(err) {
retErr = err
}
}
return t, retErr
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L979-L1004 | train |
rkt/rkt | pkg/pod/pods.go | GCMarkedTime | func (p *Pod) GCMarkedTime() (time.Time, error) {
if !p.isGarbage && !p.isExitedGarbage {
return time.Time{}, nil
}
// At this point, the pod is in either exited-garbage dir, garbage dir or gone already.
podPath := p.Path()
if podPath == "" {
// Pod is gone.
return time.Time{}, nil
}
st := &syscall.Stat_t{}
if err := syscall.Lstat(podPath, st); err != nil {
if err == syscall.ENOENT {
// Pod is gone.
err = nil
}
return time.Time{}, err
}
return time.Unix(st.Ctim.Unix()), nil
} | go | func (p *Pod) GCMarkedTime() (time.Time, error) {
if !p.isGarbage && !p.isExitedGarbage {
return time.Time{}, nil
}
// At this point, the pod is in either exited-garbage dir, garbage dir or gone already.
podPath := p.Path()
if podPath == "" {
// Pod is gone.
return time.Time{}, nil
}
st := &syscall.Stat_t{}
if err := syscall.Lstat(podPath, st); err != nil {
if err == syscall.ENOENT {
// Pod is gone.
err = nil
}
return time.Time{}, err
}
return time.Unix(st.Ctim.Unix()), nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1007-L1028 | train |
rkt/rkt | pkg/pod/pods.go | Pid | func (p *Pod) Pid() (int, error) {
if pid, err := p.readIntFromFile("pid"); err == nil {
return pid, nil
}
if pid, err := p.readIntFromFile("ppid"); err != nil {
return -1, err
} else {
return pid, nil
}
} | go | func (p *Pod) Pid() (int, error) {
if pid, err := p.readIntFromFile("pid"); err == nil {
return pid, nil
}
if pid, err := p.readIntFromFile("ppid"); err != nil {
return -1, err
} else {
return pid, nil
}
} | [
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] | // Pid returns the pid of the stage1 process that started the pod. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1031-L1040 | train |
rkt/rkt | pkg/pod/pods.go | Stage1RootfsPath | func (p *Pod) Stage1RootfsPath() (string, error) {
stage1RootfsPath := "stage1/rootfs"
if p.UsesOverlay() {
stage1TreeStoreID, err := p.GetStage1TreeStoreID()
if err != nil {
return "", err
}
stage1RootfsPath = fmt.Sprintf("overlay/%s/upper/", stage1TreeStoreID)
}
return filepath.Join(p.Path(), stage1RootfsPath), nil
} | go | func (p *Pod) Stage1RootfsPath() (string, error) {
stage1RootfsPath := "stage1/rootfs"
if p.UsesOverlay() {
stage1TreeStoreID, err := p.GetStage1TreeStoreID()
if err != nil {
return "", err
}
stage1RootfsPath = fmt.Sprintf("overlay/%s/upper/", stage1TreeStoreID)
}
return filepath.Join(p.Path(), stage1RootfsPath), nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1125-L1136 | train |
rkt/rkt | pkg/pod/pods.go | JournalLogPath | func (p *Pod) JournalLogPath() (string, error) {
stage1RootfsPath, err := p.Stage1RootfsPath()
if err != nil {
return "", err
}
return filepath.Join(stage1RootfsPath, "/var/log/journal/"), nil
} | go | func (p *Pod) JournalLogPath() (string, error) {
stage1RootfsPath, err := p.Stage1RootfsPath()
if err != nil {
return "", err
}
return filepath.Join(stage1RootfsPath, "/var/log/journal/"), nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1139-L1145 | train |
rkt/rkt | pkg/pod/pods.go | State | func (p *Pod) State() string {
switch {
case p.isEmbryo:
return Embryo
case p.isPreparing:
return Preparing
case p.isAbortedPrepare:
return AbortedPrepare
case p.isPrepared:
return Prepared
case p.isDeleting:
return Deleting
case p.isExitedDeleting:
return ExitedDeleting
case p.isExited: // this covers p.isExitedGarbage
if p.isExitedGarbage {
return ExitedGarbage
}
return Exited
case p.isGarbage:
return Garbage
}
return Running
} | go | func (p *Pod) State() string {
switch {
case p.isEmbryo:
return Embryo
case p.isPreparing:
return Preparing
case p.isAbortedPrepare:
return AbortedPrepare
case p.isPrepared:
return Prepared
case p.isDeleting:
return Deleting
case p.isExitedDeleting:
return ExitedDeleting
case p.isExited: // this covers p.isExitedGarbage
if p.isExitedGarbage {
return ExitedGarbage
}
return Exited
case p.isGarbage:
return Garbage
}
return Running
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1148-L1172 | train |
rkt/rkt | pkg/pod/pods.go | isRunning | func (p *Pod) isRunning() bool {
// when none of these things, running!
return !p.isEmbryo && !p.isAbortedPrepare && !p.isPreparing && !p.isPrepared &&
!p.isExited && !p.isExitedGarbage && !p.isExitedDeleting && !p.isGarbage && !p.isDeleting && !p.isGone
} | go | func (p *Pod) isRunning() bool {
// when none of these things, running!
return !p.isEmbryo && !p.isAbortedPrepare && !p.isPreparing && !p.isPrepared &&
!p.isExited && !p.isExitedGarbage && !p.isExitedDeleting && !p.isGarbage && !p.isDeleting && !p.isGone
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1175-L1179 | train |
rkt/rkt | pkg/pod/pods.go | PodManifestAvailable | func (p *Pod) PodManifestAvailable() bool {
if p.isPreparing || p.isAbortedPrepare || p.isDeleting {
return false
}
return true
} | go | func (p *Pod) PodManifestAvailable() bool {
if p.isPreparing || p.isAbortedPrepare || p.isDeleting {
return false
}
return true
} | [
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// PodManifest to function in the pod's current state.
// Namely, in Preparing, AbortedPrepare, and Deleting it's possible for the
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1185-L1190 | train |
rkt/rkt | pkg/pod/pods.go | IsAfterRun | func (p *Pod) IsAfterRun() bool {
return p.isExitedDeleting || p.isDeleting || p.isExited || p.isGarbage
} | go | func (p *Pod) IsAfterRun() bool {
return p.isExitedDeleting || p.isDeleting || p.isExited || p.isGarbage
} | [
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rkt/rkt | pkg/pod/pods.go | IsFinished | func (p *Pod) IsFinished() bool {
return p.isExited || p.isAbortedPrepare || p.isGarbage || p.isGone
} | go | func (p *Pod) IsFinished() bool {
return p.isExited || p.isAbortedPrepare || p.isGarbage || p.isGone
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/pod/pods.go#L1198-L1200 | train |
rkt/rkt | pkg/pod/pods.go | AppExitCode | func (p *Pod) AppExitCode(appName string) (int, error) {
stage1RootfsPath, err := p.Stage1RootfsPath()
if err != nil {
return -1, err
}
statusFile := common.AppStatusPathFromStage1Rootfs(stage1RootfsPath, appName)
return p.readIntFromFile(statusFile)
} | go | func (p *Pod) AppExitCode(appName string) (int, error) {
stage1RootfsPath, err := p.Stage1RootfsPath()
if err != nil {
return -1, err
}
statusFile := common.AppStatusPathFromStage1Rootfs(stage1RootfsPath, appName)
return p.readIntFromFile(statusFile)
} | [
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rkt/rkt | stage0/stop.go | StopPod | func StopPod(dir string, force bool, uuid *types.UUID) error {
s1rootfs := common.Stage1RootfsPath(dir)
if err := os.Chdir(dir); err != nil {
return fmt.Errorf("failed changing to dir: %v", err)
}
ep, err := getStage1Entrypoint(dir, stopEntrypoint)
if err != nil {
return fmt.Errorf("rkt stop not implemented for pod's stage1: %v", err)
}
args := []string{filepath.Join(s1rootfs, ep)}
debug("Execing %s", ep)
if force {
args = append(args, "--force")
}
args = append(args, uuid.String())
c := exec.Cmd{
Path: args[0],
Args: args,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return c.Run()
} | go | func StopPod(dir string, force bool, uuid *types.UUID) error {
s1rootfs := common.Stage1RootfsPath(dir)
if err := os.Chdir(dir); err != nil {
return fmt.Errorf("failed changing to dir: %v", err)
}
ep, err := getStage1Entrypoint(dir, stopEntrypoint)
if err != nil {
return fmt.Errorf("rkt stop not implemented for pod's stage1: %v", err)
}
args := []string{filepath.Join(s1rootfs, ep)}
debug("Execing %s", ep)
if force {
args = append(args, "--force")
}
args = append(args, uuid.String())
c := exec.Cmd{
Path: args[0],
Args: args,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return c.Run()
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/stop.go#L31-L59 | train |
rkt/rkt | rkt/config/config.go | MarshalJSON | func (c *Config) MarshalJSON() ([]byte, error) {
stage0 := []interface{}{}
for host, auth := range c.AuthPerHost {
var typ string
var credentials interface{}
switch h := auth.(type) {
case *basicAuthHeaderer:
typ = "basic"
credentials = h.auth
case *oAuthBearerTokenHeaderer:
typ = "oauth"
credentials = h.auth
case *awsAuthHeaderer:
typ = "aws"
credentials = h.auth
default:
return nil, errors.New("unknown headerer type")
}
auth := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Domains []string `json:"domains"`
Type string `json:"type"`
Credentials interface{} `json:"credentials"`
}{
RktVersion: "v1",
RktKind: "auth",
Domains: []string{host},
Type: typ,
Credentials: credentials,
}
stage0 = append(stage0, auth)
}
for registry, credentials := range c.DockerCredentialsPerRegistry {
dockerAuth := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Registries []string `json:"registries"`
Credentials BasicCredentials `json:"credentials"`
}{
RktVersion: "v1",
RktKind: "dockerAuth",
Registries: []string{registry},
Credentials: credentials,
}
stage0 = append(stage0, dockerAuth)
}
paths := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Data string `json:"data"`
Stage1Images string `json:"stage1-images"`
}{
RktVersion: "v1",
RktKind: "paths",
Data: c.Paths.DataDir,
Stage1Images: c.Paths.Stage1ImagesDir,
}
stage1 := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Name string `json:"name"`
Version string `json:"version"`
Location string `json:"location"`
}{
RktVersion: "v1",
RktKind: "stage1",
Name: c.Stage1.Name,
Version: c.Stage1.Version,
Location: c.Stage1.Location,
}
stage0 = append(stage0, paths, stage1)
data := map[string]interface{}{"stage0": stage0}
return json.Marshal(data)
} | go | func (c *Config) MarshalJSON() ([]byte, error) {
stage0 := []interface{}{}
for host, auth := range c.AuthPerHost {
var typ string
var credentials interface{}
switch h := auth.(type) {
case *basicAuthHeaderer:
typ = "basic"
credentials = h.auth
case *oAuthBearerTokenHeaderer:
typ = "oauth"
credentials = h.auth
case *awsAuthHeaderer:
typ = "aws"
credentials = h.auth
default:
return nil, errors.New("unknown headerer type")
}
auth := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Domains []string `json:"domains"`
Type string `json:"type"`
Credentials interface{} `json:"credentials"`
}{
RktVersion: "v1",
RktKind: "auth",
Domains: []string{host},
Type: typ,
Credentials: credentials,
}
stage0 = append(stage0, auth)
}
for registry, credentials := range c.DockerCredentialsPerRegistry {
dockerAuth := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Registries []string `json:"registries"`
Credentials BasicCredentials `json:"credentials"`
}{
RktVersion: "v1",
RktKind: "dockerAuth",
Registries: []string{registry},
Credentials: credentials,
}
stage0 = append(stage0, dockerAuth)
}
paths := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Data string `json:"data"`
Stage1Images string `json:"stage1-images"`
}{
RktVersion: "v1",
RktKind: "paths",
Data: c.Paths.DataDir,
Stage1Images: c.Paths.Stage1ImagesDir,
}
stage1 := struct {
RktVersion string `json:"rktVersion"`
RktKind string `json:"rktKind"`
Name string `json:"name"`
Version string `json:"version"`
Location string `json:"location"`
}{
RktVersion: "v1",
RktKind: "stage1",
Name: c.Stage1.Name,
Version: c.Stage1.Version,
Location: c.Stage1.Location,
}
stage0 = append(stage0, paths, stage1)
data := map[string]interface{}{"stage0": stage0}
return json.Marshal(data)
} | [
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] | // MarshalJSON marshals the config for user output. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/config/config.go#L70-L154 | train |
rkt/rkt | rkt/config/config.go | ResolveAuthPerHost | func ResolveAuthPerHost(authPerHost map[string]Headerer) map[string]http.Header {
hostHeaders := make(map[string]http.Header, len(authPerHost))
for k, v := range authPerHost {
hostHeaders[k] = v.GetHeader()
}
return hostHeaders
} | go | func ResolveAuthPerHost(authPerHost map[string]Headerer) map[string]http.Header {
hostHeaders := make(map[string]http.Header, len(authPerHost))
for k, v := range authPerHost {
hostHeaders[k] = v.GetHeader()
}
return hostHeaders
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/config/config.go#L169-L175 | train |
rkt/rkt | rkt/config/config.go | GetConfigFrom | func GetConfigFrom(dirs ...string) (*Config, error) {
cfg := newConfig()
for _, cd := range dirs {
subcfg, err := GetConfigFromDir(cd)
if err != nil {
return nil, err
}
mergeConfigs(cfg, subcfg)
}
return cfg, nil
} | go | func GetConfigFrom(dirs ...string) (*Config, error) {
cfg := newConfig()
for _, cd := range dirs {
subcfg, err := GetConfigFromDir(cd)
if err != nil {
return nil, err
}
mergeConfigs(cfg, subcfg)
}
return cfg, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/config/config.go#L235-L245 | train |
rkt/rkt | rkt/config/config.go | GetConfigFromDir | func GetConfigFromDir(dir string) (*Config, error) {
subcfg := newConfig()
if valid, err := validDir(dir); err != nil {
return nil, err
} else if !valid {
return subcfg, nil
}
if err := readConfigDir(subcfg, dir); err != nil {
return nil, err
}
return subcfg, nil
} | go | func GetConfigFromDir(dir string) (*Config, error) {
subcfg := newConfig()
if valid, err := validDir(dir); err != nil {
return nil, err
} else if !valid {
return subcfg, nil
}
if err := readConfigDir(subcfg, dir); err != nil {
return nil, err
}
return subcfg, nil
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/config/config.go#L249-L260 | train |
rkt/rkt | common/environment.go | WriteEnvFile | func WriteEnvFile(env []string, uidRange *user.UidRange, envFilePath string) error {
ef := bytes.Buffer{}
for _, v := range env {
fmt.Fprintf(&ef, "%s\n", v)
}
if err := os.MkdirAll(filepath.Dir(envFilePath), 0755); err != nil {
return err
}
if err := ioutil.WriteFile(envFilePath, ef.Bytes(), 0644); err != nil {
return err
}
if err := user.ShiftFiles([]string{envFilePath}, uidRange); err != nil {
return err
}
return nil
} | go | func WriteEnvFile(env []string, uidRange *user.UidRange, envFilePath string) error {
ef := bytes.Buffer{}
for _, v := range env {
fmt.Fprintf(&ef, "%s\n", v)
}
if err := os.MkdirAll(filepath.Dir(envFilePath), 0755); err != nil {
return err
}
if err := ioutil.WriteFile(envFilePath, ef.Bytes(), 0644); err != nil {
return err
}
if err := user.ShiftFiles([]string{envFilePath}, uidRange); err != nil {
return err
}
return nil
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// created if necessary. | [
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rkt/rkt | common/environment.go | ComposeEnviron | func ComposeEnviron(env types.Environment) []string {
var composed []string
for dk, dv := range defaultEnv {
if _, exists := env.Get(dk); !exists {
composed = append(composed, fmt.Sprintf("%s=%s", dk, dv))
}
}
for _, e := range env {
composed = append(composed, fmt.Sprintf("%s=%s", e.Name, e.Value))
}
return composed
} | go | func ComposeEnviron(env types.Environment) []string {
var composed []string
for dk, dv := range defaultEnv {
if _, exists := env.Get(dk); !exists {
composed = append(composed, fmt.Sprintf("%s=%s", dk, dv))
}
}
for _, e := range env {
composed = append(composed, fmt.Sprintf("%s=%s", e.Name, e.Value))
}
return composed
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/environment.go#L94-L107 | train |
rkt/rkt | pkg/fs/mount_linux.go | String | func (f mountFlags) String() string {
var s []string
maybeAppendFlag := func(ff uintptr, desc string) {
if uintptr(f)&ff != 0 {
s = append(s, desc)
}
}
maybeAppendFlag(syscall.MS_DIRSYNC, "MS_DIRSYNC")
maybeAppendFlag(syscall.MS_MANDLOCK, "MS_MANDLOCK")
maybeAppendFlag(syscall.MS_NOATIME, "MS_NOATIME")
maybeAppendFlag(syscall.MS_NODEV, "MS_NODEV")
maybeAppendFlag(syscall.MS_NODIRATIME, "MS_NODIRATIME")
maybeAppendFlag(syscall.MS_NOEXEC, "MS_NOEXEC")
maybeAppendFlag(syscall.MS_NOSUID, "MS_NOSUID")
maybeAppendFlag(syscall.MS_RDONLY, "MS_RDONLY")
maybeAppendFlag(syscall.MS_REC, "MS_REC")
maybeAppendFlag(syscall.MS_RELATIME, "MS_RELATIME")
maybeAppendFlag(syscall.MS_SILENT, "MS_SILENT")
maybeAppendFlag(syscall.MS_STRICTATIME, "MS_STRICTATIME")
maybeAppendFlag(syscall.MS_SYNCHRONOUS, "MS_SYNCHRONOUS")
maybeAppendFlag(syscall.MS_REMOUNT, "MS_REMOUNT")
maybeAppendFlag(syscall.MS_BIND, "MS_BIND")
maybeAppendFlag(syscall.MS_SHARED, "MS_SHARED")
maybeAppendFlag(syscall.MS_PRIVATE, "MS_PRIVATE")
maybeAppendFlag(syscall.MS_SLAVE, "MS_SLAVE")
maybeAppendFlag(syscall.MS_UNBINDABLE, "MS_UNBINDABLE")
maybeAppendFlag(syscall.MS_MOVE, "MS_MOVE")
return strings.Join(s, "|")
} | go | func (f mountFlags) String() string {
var s []string
maybeAppendFlag := func(ff uintptr, desc string) {
if uintptr(f)&ff != 0 {
s = append(s, desc)
}
}
maybeAppendFlag(syscall.MS_DIRSYNC, "MS_DIRSYNC")
maybeAppendFlag(syscall.MS_MANDLOCK, "MS_MANDLOCK")
maybeAppendFlag(syscall.MS_NOATIME, "MS_NOATIME")
maybeAppendFlag(syscall.MS_NODEV, "MS_NODEV")
maybeAppendFlag(syscall.MS_NODIRATIME, "MS_NODIRATIME")
maybeAppendFlag(syscall.MS_NOEXEC, "MS_NOEXEC")
maybeAppendFlag(syscall.MS_NOSUID, "MS_NOSUID")
maybeAppendFlag(syscall.MS_RDONLY, "MS_RDONLY")
maybeAppendFlag(syscall.MS_REC, "MS_REC")
maybeAppendFlag(syscall.MS_RELATIME, "MS_RELATIME")
maybeAppendFlag(syscall.MS_SILENT, "MS_SILENT")
maybeAppendFlag(syscall.MS_STRICTATIME, "MS_STRICTATIME")
maybeAppendFlag(syscall.MS_SYNCHRONOUS, "MS_SYNCHRONOUS")
maybeAppendFlag(syscall.MS_REMOUNT, "MS_REMOUNT")
maybeAppendFlag(syscall.MS_BIND, "MS_BIND")
maybeAppendFlag(syscall.MS_SHARED, "MS_SHARED")
maybeAppendFlag(syscall.MS_PRIVATE, "MS_PRIVATE")
maybeAppendFlag(syscall.MS_SLAVE, "MS_SLAVE")
maybeAppendFlag(syscall.MS_UNBINDABLE, "MS_UNBINDABLE")
maybeAppendFlag(syscall.MS_MOVE, "MS_MOVE")
return strings.Join(s, "|")
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// E.g. for a value of syscall.MS_RDONLY|syscall.MS_BIND it will print "MS_RDONLY|MS_BIND" | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/fs/mount_linux.go#L26-L57 | train |
rkt/rkt | rkt/image/validator.go | newValidator | func newValidator(image io.ReadSeeker) (*validator, error) {
manifest, err := aci.ManifestFromImage(image)
if err != nil {
return nil, err
}
v := &validator{
image: image,
manifest: manifest,
}
return v, nil
} | go | func newValidator(image io.ReadSeeker) (*validator, error) {
manifest, err := aci.ManifestFromImage(image)
if err != nil {
return nil, err
}
v := &validator{
image: image,
manifest: manifest,
}
return v, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/validator.go#L40-L50 | train |
rkt/rkt | rkt/image/validator.go | ValidateName | func (v *validator) ValidateName(imageName string) error {
name := v.ImageName()
if name != imageName {
return fmt.Errorf("error when reading the app name: %q expected but %q found",
imageName, name)
}
return nil
} | go | func (v *validator) ValidateName(imageName string) error {
name := v.ImageName()
if name != imageName {
return fmt.Errorf("error when reading the app name: %q expected but %q found",
imageName, name)
}
return nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/validator.go#L59-L66 | train |
rkt/rkt | rkt/image/validator.go | ValidateLabels | func (v *validator) ValidateLabels(labels map[types.ACIdentifier]string) error {
for n, rv := range labels {
if av, ok := v.manifest.GetLabel(n.String()); ok {
if rv != av {
return fmt.Errorf("requested value for label %q: %q differs from fetched aci label value: %q", n, rv, av)
}
} else {
return fmt.Errorf("requested label %q not provided by the image manifest", n)
}
}
return nil
} | go | func (v *validator) ValidateLabels(labels map[types.ACIdentifier]string) error {
for n, rv := range labels {
if av, ok := v.manifest.GetLabel(n.String()); ok {
if rv != av {
return fmt.Errorf("requested value for label %q: %q differs from fetched aci label value: %q", n, rv, av)
}
} else {
return fmt.Errorf("requested label %q not provided by the image manifest", n)
}
}
return nil
} | [
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rkt/rkt | rkt/image/validator.go | ValidateWithSignature | func (v *validator) ValidateWithSignature(ks *keystore.Keystore, sig io.ReadSeeker) (*openpgp.Entity, error) {
if ks == nil {
return nil, nil
}
if _, err := v.image.Seek(0, 0); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking ACI file"), err)
}
if _, err := sig.Seek(0, 0); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking signature file"), err)
}
entity, err := ks.CheckSignature(v.ImageName(), v.image, sig)
if err == pgperrors.ErrUnknownIssuer {
log.Print("If you expected the signing key to change, try running:")
log.Print(" rkt trust --prefix <image>")
}
if err != nil {
return nil, err
}
return entity, nil
} | go | func (v *validator) ValidateWithSignature(ks *keystore.Keystore, sig io.ReadSeeker) (*openpgp.Entity, error) {
if ks == nil {
return nil, nil
}
if _, err := v.image.Seek(0, 0); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking ACI file"), err)
}
if _, err := sig.Seek(0, 0); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking signature file"), err)
}
entity, err := ks.CheckSignature(v.ImageName(), v.image, sig)
if err == pgperrors.ErrUnknownIssuer {
log.Print("If you expected the signing key to change, try running:")
log.Print(" rkt trust --prefix <image>")
}
if err != nil {
return nil, err
}
return entity, nil
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/validator.go#L85-L104 | train |
rkt/rkt | pkg/distribution/distribution.go | Register | func Register(distType Type, f newDistribution) {
if _, ok := distributions[distType]; ok {
panic(fmt.Errorf("distribution %q already registered", distType))
}
distributions[distType] = f
} | go | func Register(distType Type, f newDistribution) {
if _, ok := distributions[distType]; ok {
panic(fmt.Errorf("distribution %q already registered", distType))
}
distributions[distType] = f
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/distribution/distribution.go#L47-L52 | train |
rkt/rkt | pkg/distribution/distribution.go | Get | func Get(u *url.URL) (Distribution, error) {
c, err := parseCIMD(u)
if err != nil {
return nil, fmt.Errorf("malformed distribution uri %q: %v", u.String(), err)
}
if u.Scheme != Scheme {
return nil, fmt.Errorf("malformed distribution uri %q", u.String())
}
if _, ok := distributions[c.Type]; !ok {
return nil, fmt.Errorf("unknown distribution type: %q", c.Type)
}
return distributions[c.Type](u)
} | go | func Get(u *url.URL) (Distribution, error) {
c, err := parseCIMD(u)
if err != nil {
return nil, fmt.Errorf("malformed distribution uri %q: %v", u.String(), err)
}
if u.Scheme != Scheme {
return nil, fmt.Errorf("malformed distribution uri %q", u.String())
}
if _, ok := distributions[c.Type]; !ok {
return nil, fmt.Errorf("unknown distribution type: %q", c.Type)
}
return distributions[c.Type](u)
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/distribution/distribution.go#L57-L69 | train |
rkt/rkt | pkg/distribution/distribution.go | Parse | func Parse(rawuri string) (Distribution, error) {
u, err := url.Parse(rawuri)
if err != nil {
return nil, fmt.Errorf("cannot parse uri: %q: %v", rawuri, err)
}
return Get(u)
} | go | func Parse(rawuri string) (Distribution, error) {
u, err := url.Parse(rawuri)
if err != nil {
return nil, fmt.Errorf("cannot parse uri: %q: %v", rawuri, err)
}
return Get(u)
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"}"
] | // Parse parses the provided distribution URI string and returns a
// Distribution. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/distribution/distribution.go#L73-L79 | train |
rkt/rkt | rkt/completion.go | newCompletion | func newCompletion(w io.Writer) func(*cobra.Command, []string) int {
return func(cmd *cobra.Command, args []string) int {
return runCompletion(w, cmd, args)
}
} | go | func newCompletion(w io.Writer) func(*cobra.Command, []string) int {
return func(cmd *cobra.Command, args []string) int {
return runCompletion(w, cmd, args)
}
} | [
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] | // newCompletion creates a new command with a bounded writer. Writer
// is used to print the generated shell-completion script, which is
// intended to be consumed by the CLI users. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/completion.go#L117-L121 | train |
rkt/rkt | rkt/completion.go | runCompletion | func runCompletion(w io.Writer, cmd *cobra.Command, args []string) (exit int) {
if len(args) == 0 {
stderr.Print("shell type is not specified")
return 254
}
if len(args) > 1 {
stderr.Print("too many arguments, only shell type is expected")
return 254
}
// Right now only bash completion is supported, but zsh could be
// supported in a future as well.
completion, ok := completionShells[args[0]]
if !ok {
stderr.Printf("'%s' shell is not supported", args[0])
return 254
}
// Write the shell completion to the specified writer.
err := completion(w, cmd.Parent())
if err != nil {
stderr.PrintE("completion failed", err)
return 254
}
return 0
} | go | func runCompletion(w io.Writer, cmd *cobra.Command, args []string) (exit int) {
if len(args) == 0 {
stderr.Print("shell type is not specified")
return 254
}
if len(args) > 1 {
stderr.Print("too many arguments, only shell type is expected")
return 254
}
// Right now only bash completion is supported, but zsh could be
// supported in a future as well.
completion, ok := completionShells[args[0]]
if !ok {
stderr.Printf("'%s' shell is not supported", args[0])
return 254
}
// Write the shell completion to the specified writer.
err := completion(w, cmd.Parent())
if err != nil {
stderr.PrintE("completion failed", err)
return 254
}
return 0
} | [
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] | // runCompletion is a command handler to generate the shell script with
// shell completion functions.
//
// It ensures that there are enough arguments to generate the completion
// scripts. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/completion.go#L128-L155 | train |
Subsets and Splits