2019-10-17 07:01:00 +02:00
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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2020-06-09 20:17:00 +02:00
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import subprocess
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import logging
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from time import time
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from collections import defaultdict
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2019-10-17 07:01:00 +02:00
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from http.server import BaseHTTPRequestHandler, HTTPServer
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2020-06-09 20:17:00 +02:00
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from urllib.parse import parse_qs, urlparse
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from prometheus_client import (
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CollectorRegistry, Gauge, generate_latest, CONTENT_TYPE_LATEST
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)
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2019-10-17 07:01:00 +02:00
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2020-02-16 20:19:03 +01:00
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from config import Config
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2020-04-28 14:11:49 +02:00
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from metrics import EjabberdMetrics
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2020-02-16 20:19:03 +01:00
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2020-06-09 20:17:00 +02:00
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class DynamicMetricsHandler(BaseHTTPRequestHandler):
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"""HTTP handler that gives metrics from ``core.REGISTRY``."""
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def do_GET(self):
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params = parse_qs(urlparse(self.path).query)
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registry = self.generator(params)
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if 'name[]' in params:
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registry = registry.restricted_registry(params['name[]'])
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try:
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output = generate_latest(registry)
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except:
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self.send_error(500, 'error generating metric output')
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raise
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self.send_response(200)
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self.send_header('Content-Type', CONTENT_TYPE_LATEST)
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self.end_headers()
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self.wfile.write(output)
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@staticmethod
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def factory(registry_generator):
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DynMetricsHandler = type('MetricsHandler',
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(DynamicMetricsHandler, object),
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{"generator": registry_generator})
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return DynMetricsHandler
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2019-10-17 07:01:00 +02:00
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class Prometheus():
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def __init__(self, metrics):
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2020-06-09 20:17:00 +02:00
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self.ttl = 10
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self._last_update = 0
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2019-10-17 07:01:00 +02:00
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self._metrics = metrics
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2020-06-09 20:17:00 +02:00
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def handler(self, metrics_handler):
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now = time()
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if now >= i(self._last_update + self.ttl):
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self._metrics.update()
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self._last_update = now
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registry = CollectorRegistry(auto_describe=True)
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Gauge('ejabberd_node_s2s_in', 'count of incoming server-to-server connection', registry=registry).set(self._metrics.get_s2s_in())
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Gauge('ejabberd_node_s2s_out', 'count of outgoing server-to-server connection', registry=registry).set(self._metrics.get_s2s_out())
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labelnames_vhost = ["vhost"]
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registered_vhosts = Gauge('ejabberd_registered_vhosts', 'count of user per vhost', labelnames_vhost, registry=registry)
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muc = Gauge('ejabberd_muc', 'count of muc\'s per vhost', labelnames_vhost, registry=registry)
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online_vhost_node = Gauge('ejabberd_online_vhost_node', 'count of client connections', ["vhost","node"], registry=registry)
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online_status = Gauge('ejabberd_online_status', 'count of client connections', ["vhost","node","status"], registry=registry)
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online_connection = Gauge('ejabberd_online_connection', 'count of client connections', ["vhost","node","connection"], registry=registry)
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online_client = Gauge('ejabberd_online_client', 'count of client software', ["vhost","node","client"], registry=registry)
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online_ipversion = Gauge('ejabberd_online_ipversion', 'count of client software', ["vhost","node","ipversion"], registry=registry)
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online_client_ipversion = Gauge('ejabberd_online_client_ipversion', 'count of client software', ["vhost","node","client","ipversion"], registry=registry)
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2019-10-17 07:01:00 +02:00
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for host in self._metrics.get_vhosts():
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2020-06-09 20:17:00 +02:00
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labels_vhost = (host)
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registered_vhosts.labels(labels_vhost).set(self._metrics.get_registered(host))
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muc.labels(labels_vhost).set(self._metrics.get_muc(host))
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2019-10-17 07:01:00 +02:00
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for k, v in self._metrics.get_online_by_node(vhost=host).items():
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2020-06-09 20:17:00 +02:00
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online_vhost_node.labels(host,k).set(v)
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2019-10-17 07:01:00 +02:00
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for node in self._metrics.get_nodes():
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for k, v in self._metrics.get_online_by_status(node=node, vhost=host).items():
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2020-06-09 20:17:00 +02:00
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online_status.labels(host,node,k).set(v)
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2019-10-17 07:01:00 +02:00
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for k, v in self._metrics.get_online_by_connection(node=node, vhost=host).items():
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2020-06-09 20:17:00 +02:00
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online_connection.labels(host,node,k).set(v)
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2019-10-17 07:01:00 +02:00
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for k, v in self._metrics.get_online_by_client(node=node, vhost=host).items():
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2020-06-09 20:17:00 +02:00
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online_client.labels(host,node,k).set(v)
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2019-10-17 07:01:00 +02:00
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for k, v in self._metrics.get_online_by_ipversion(node=node, vhost=host).items():
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2020-06-09 20:17:00 +02:00
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online_ipversion.labels(host,node,k).set(v)
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2019-10-17 13:45:55 +02:00
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for client, data in self._metrics.get_online_client_by_ipversion(node=node,vhost=host).items():
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for k, v in data.items():
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2020-06-09 20:17:00 +02:00
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online_client_ipversion.labels(host,node,str(k),client).set(v)
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2019-10-17 07:01:00 +02:00
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2020-06-09 20:17:00 +02:00
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return registry
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2019-10-17 07:01:00 +02:00
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2020-06-09 20:17:00 +02:00
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def listen(self, addr=("127.0.0.1", 8080)):
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server = HTTPServer(addr, DynamicMetricsHandler.factory(self.handler))
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server.serve_forever()
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2019-10-17 07:01:00 +02:00
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2019-12-07 16:01:03 +01:00
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2020-02-16 20:19:03 +01:00
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if __name__ == "__main__":
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2019-12-07 16:01:03 +01:00
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# load config
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2020-02-16 20:19:03 +01:00
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config = Config()
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2020-06-09 20:17:00 +02:00
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if config.get('debug', default=False):
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logging.getLogger().setLevel(logging.DEBUG)
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2019-12-07 16:01:03 +01:00
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2020-02-16 20:19:03 +01:00
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# credentials and parameters
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url = config.get('url', default='http://[::1]:5280/api')
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login = config.get('login', default=None)
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api = config.get('api', default='rest')
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2019-12-07 16:01:03 +01:00
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2020-02-16 20:19:03 +01:00
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# config prometheus
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2020-06-09 20:17:00 +02:00
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prom_addr = config.get('prometheus_address', default='127.0.0.1')
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2020-02-16 20:19:03 +01:00
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prom_port = config.get('prometheus_port', default=8080)
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2019-12-07 16:01:03 +01:00
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metrics = EjabberdMetrics(url, login, api)
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2019-10-17 07:01:00 +02:00
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prom = Prometheus(metrics)
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2020-06-09 20:17:00 +02:00
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prom.ttl = config.get('prometheus_cache_ttl', default=10)
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prom.listen((prom_addr, prom_port))
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