flaresolverr / src /bottle_plugins /prometheus_plugin.py
sanjay7178's picture
chore: Update test requirements and package information
7387da9
import logging
import os
import urllib.parse
from bottle import request
from dtos import V1RequestBase, V1ResponseBase
from metrics import start_metrics_http_server, REQUEST_COUNTER, REQUEST_DURATION
PROMETHEUS_ENABLED = os.environ.get('PROMETHEUS_ENABLED', 'false').lower() == 'true'
PROMETHEUS_PORT = int(os.environ.get('PROMETHEUS_PORT', 8192))
def setup():
if PROMETHEUS_ENABLED:
start_metrics_http_server(PROMETHEUS_PORT)
def prometheus_plugin(callback):
"""
Bottle plugin to expose Prometheus metrics
http://bottlepy.org/docs/dev/plugindev.html
"""
def wrapper(*args, **kwargs):
actual_response = callback(*args, **kwargs)
if PROMETHEUS_ENABLED:
try:
export_metrics(actual_response)
except Exception as e:
logging.warning("Error exporting metrics: " + str(e))
return actual_response
def export_metrics(actual_response):
res = V1ResponseBase(actual_response)
if res.startTimestamp is None or res.endTimestamp is None:
# skip management and healthcheck endpoints
return
domain = "unknown"
if res.solution and res.solution.url:
domain = parse_domain_url(res.solution.url)
else:
# timeout error
req = V1RequestBase(request.json)
if req.url:
domain = parse_domain_url(req.url)
run_time = (res.endTimestamp - res.startTimestamp) / 1000
REQUEST_DURATION.labels(domain=domain).observe(run_time)
result = "unknown"
if res.message == "Challenge solved!":
result = "solved"
elif res.message == "Challenge not detected!":
result = "not_detected"
elif res.message.startswith("Error"):
result = "error"
REQUEST_COUNTER.labels(domain=domain, result=result).inc()
def parse_domain_url(url):
parsed_url = urllib.parse.urlparse(url)
return parsed_url.hostname
return wrapper