302 lines
10 KiB
Python
302 lines
10 KiB
Python
import time
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import os
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import sys
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import signal
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import faulthandler
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import requests
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from attrdict import AttrDict
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from qbittorrentapi import Client, TorrentStates
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from qbittorrentapi.exceptions import APIConnectionError
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from prometheus_client import start_http_server
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from prometheus_client.core import GaugeMetricFamily, CounterMetricFamily, REGISTRY
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import logging
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from pythonjsonlogger import jsonlogger
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# Enable dumps on stderr in case of segfault
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faulthandler.enable()
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logger = logging.getLogger()
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class QbittorrentMetricsCollector():
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TORRENT_STATUSES = [
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"downloading",
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"uploading",
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"complete",
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"checking",
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"errored",
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"paused",
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]
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def __init__(self, config):
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self.config = config
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self.torrents = None
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self.client = Client(
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host=config["host"],
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port=config["port"],
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username=config["username"],
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password=config["password"],
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)
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def collect(self):
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try:
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self.torrents = self.client.torrents.info()
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except Exception as e:
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logger.error(f"Couldn't get server info: {e}")
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return None
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metrics = self.get_qbittorrent_metrics()
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for metric in metrics:
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name = metric["name"]
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value = metric["value"]
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help_text = metric.get("help", "")
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labels = metric.get("labels", {})
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metric_type = metric.get("type", "gauge")
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if metric_type == "counter":
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prom_metric = CounterMetricFamily(name, help_text, labels=labels.keys())
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else:
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prom_metric = GaugeMetricFamily(name, help_text, labels=labels.keys())
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prom_metric.add_metric(value=value, labels=labels.values())
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yield prom_metric
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def get_qbittorrent_metrics(self):
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metrics = []
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metrics.extend(self.get_qbittorrent_status_metrics())
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metrics.extend(self.get_qbittorrent_torrent_tags_metrics())
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metrics.extend(self.get_immich_server_version_number())
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metrics.extend(self.get_immich_server_info())
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return metrics
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def get_immich_server_info(self):
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try:
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endpoint_server_info = "/api/server-info"
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response_server_info = requests.request(
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"GET",
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self.combine_url(endpoint_server_info),
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headers={'Accept': 'application/json'}
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)
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except requests.exceptions.RequestException as e:
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logger.error(f"Couldn't get server version: {e.error_message}")
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return [
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{
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"name": f"{self.config['metrics_prefix']}_dht_nodes",
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"value": response_server_info.json()["diskAvailable "],
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"help": "DHT nodes connected to",
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},
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{
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"name": f"{self.config['metrics_prefix']}_dl_info_data",
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"value": response_server_info.json()["diskSize"],
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"help": "Data downloaded this session (bytes)",
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"type": "counter"
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},
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{
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"name": f"{self.config['metrics_prefix']}_up_info_data",
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"value": response_server_info.json()["diskUse"],
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"help": "Data uploaded this session (bytes)",
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"type": "counter"
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},
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]
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def get_immich_server_version_number(self):
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try:
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server_version_endpoint = "/api/server-info/version"
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response_server_version = requests.request(
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"GET",
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self.combine_url(server_version_endpoint),
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headers={'Accept': 'application/json'}
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)
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except requests.exceptions.RequestException as e:
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logger.error(f"Couldn't get server version: {e}")
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server_version_number = {str(response_server_version.json()["major"]) + "." +
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str(response_server_version.json()["minor"]) + "." +
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str(response_server_version.json()["patch"]) + "."
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}
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str(server_version_number)
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return [
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{
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"name": f"{self.config['metrics_prefix']}_up_info_data",
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"value": str(server_version_number),
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"help": "Data uploaded this session (bytes)",
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"type": "counter"
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}
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]
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def combine_url(self, api_endpoint):
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base_url = self.config["immich_host"]
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base_url_port = self.config["immich_port"]
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combined_url = base_url + ":" + base_url_port + api_endpoint
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return combined_url
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def get_qbittorrent_status_metrics(self):
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response = {}
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version = ""
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# Fetch data from API
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try:
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response = self.client.transfer.info
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version = self.client.app.version
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self.torrents = self.client.torrents.info()
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except APIConnectionError as e:
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logger.error(f"Couldn't get server info: {e.error_message}")
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except Exception:
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logger.error(f"Couldn't get server info")
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return [
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{
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"name": f"{self.config['metrics_prefix']}_up",
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"value": bool(response),
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"labels": {"version": version},
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"help": "Whether if server is alive or not",
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},
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{
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"name": f"{self.config['metrics_prefix']}_connected",
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"value": response.get("connection_status", "") == "connected",
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"help": "Whether if server is connected or not",
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},
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{
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"name": f"{self.config['metrics_prefix']}_firewalled",
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"value": response.get("connection_status", "") == "firewalled",
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"help": "Whether if server is under a firewall or not",
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},
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{
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"name": f"{self.config['metrics_prefix']}_dht_nodes",
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"value": response.get("dht_nodes", 0),
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"help": "DHT nodes connected to",
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},
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{
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"name": f"{self.config['metrics_prefix']}_dl_info_data",
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"value": response.get("dl_info_data", 0),
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"help": "Data downloaded this session (bytes)",
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"type": "counter"
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},
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{
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"name": f"{self.config['metrics_prefix']}_up_info_data",
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"value": response.get("up_info_data", 0),
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"help": "Data uploaded this session (bytes)",
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"type": "counter"
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},
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]
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def get_qbittorrent_torrent_tags_metrics(self):
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try:
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categories = self.client.torrent_categories.categories
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except Exception as e:
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logger.error(f"Couldn't fetch categories: {e}")
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return []
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if not self.torrents:
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return []
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metrics = []
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categories.Uncategorized = AttrDict({'name': 'Uncategorized', 'savePath': ''})
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for category in categories:
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category_torrents = [t for t in self.torrents if
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t['category'] == category or (category == "Uncategorized" and t['category'] == "")]
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for status in self.TORRENT_STATUSES:
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status_prop = f"is_{status}"
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status_torrents = [
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t for t in category_torrents if getattr(TorrentStates, status_prop).fget(TorrentStates(t['state']))
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]
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metrics.append({
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"name": f"{self.config['metrics_prefix']}_torrents_count",
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"value": len(status_torrents),
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"labels": {
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"status": status,
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"category": category,
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},
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"help": f"Number of torrents in status {status} under category {category}"
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})
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return metrics
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class SignalHandler():
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def __init__(self):
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self.shutdownCount = 0
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# Register signal handler
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signal.signal(signal.SIGINT, self._on_signal_received)
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signal.signal(signal.SIGTERM, self._on_signal_received)
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def is_shutting_down(self):
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return self.shutdownCount > 0
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def _on_signal_received(self, signal, frame):
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if self.shutdownCount > 1:
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logger.warning("Forcibly killing exporter")
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sys.exit(1)
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logger.info("Exporter is shutting down")
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self.shutdownCount += 1
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def get_config_value(key, default=""):
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input_path = os.environ.get("FILE__" + key, None)
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if input_path is not None:
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try:
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with open(input_path, "r") as input_file:
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return input_file.read().strip()
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except IOError as e:
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logger.error(f"Unable to read value for {key} from {input_path}: {str(e)}")
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return os.environ.get(key, default)
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def main():
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# Init logger so it can be used
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logHandler = logging.StreamHandler()
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formatter = jsonlogger.JsonFormatter(
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"%(asctime) %(levelname) %(message)",
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datefmt="%Y-%m-%d %H:%M:%S"
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)
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logHandler.setFormatter(formatter)
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logger.addHandler(logHandler)
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logger.setLevel("INFO") # default until config is loaded
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config = {
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"immich_host": get_config_value("IMMICH_HOST", ""),
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"immich_port": get_config_value("IMMICH_PORT", ""),
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"token": get_config_value("IMMICH_API_TOKEN", ""),
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"host": get_config_value("QBITTORRENT_HOST", ""),
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"port": get_config_value("QBITTORRENT_PORT", ""),
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"username": get_config_value("QBITTORRENT_USER", ""),
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"password": get_config_value("QBITTORRENT_PASS", ""),
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"exporter_port": int(get_config_value("EXPORTER_PORT", "8000")),
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"log_level": get_config_value("EXPORTER_LOG_LEVEL", "INFO"),
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"metrics_prefix": get_config_value("METRICS_PREFIX", "immich"),
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}
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# set level once config has been loaded
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logger.setLevel(config["log_level"])
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# Register signal handler
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signal_handler = SignalHandler()
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if not config["host"]:
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logger.error("No host specified, please set QBITTORRENT_HOST environment variable")
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sys.exit(1)
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if not config["port"]:
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logger.error("No post specified, please set QBITTORRENT_PORT environment variable")
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sys.exit(1)
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# Register our custom collector
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logger.info("Exporter is starting up")
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REGISTRY.register(QbittorrentMetricsCollector(config))
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# Start server
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start_http_server(config["exporter_port"])
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logger.info(
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f"Exporter listening on port {config['exporter_port']}"
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)
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while not signal_handler.is_shutting_down():
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time.sleep(1)
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logger.info("Exporter has shutdown")
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