maxenceg2m/prometheus-immich-exporter
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ruffing + pylinting code

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Maxence G. de Montauzan
2025-05-30 15:11:10 +02:00
parent ffaeb00e3f
commit 93e79cb238
2 changed files with 82 additions and 77 deletions
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152
immich_exporter/exporter.py
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@@ -1,15 +1,14 @@
import time
import os
import sys
import signal
import faulthandler
import requests
import psutil
from prometheus_client import start_http_server
from prometheus_client.core import GaugeMetricFamily, CounterMetricFamily, REGISTRY
import logging
import os
import signal
import sys
import time
import psutil
import requests
from prometheus_client import start_http_server
from prometheus_client.core import REGISTRY, CounterMetricFamily, GaugeMetricFamily
from pythonjsonlogger import jsonlogger
# Enable dumps on stderr in case of segfault
@@ -25,14 +24,10 @@ class ImmichMetricsCollector:
response = requests.request(
"GET",
self.combine_url(endpoint),
headers={
"Accept": "application/json",
"x-api-key": self.config["token"]
}
headers={"Accept": "application/json", "x-api-key": self.config["token"]},
)
return response
def collect(self):
logger.info("Requested the metrics")
metrics = self.get_immich_metrics()
@@ -67,7 +62,7 @@ class ImmichMetricsCollector:
response_user_stats = self.request(endpoint_user_stats).json()
except requests.exceptions.RequestException as e:
logger.error(f"API ERROR: can't get server statistic: {e}")
logger.error("API ERROR: can't get server statistic: %s", e)
user_data = response_user_stats["usageByUser"]
user_count = len(response_user_stats["usageByUser"])
@@ -84,27 +79,27 @@ class ImmichMetricsCollector:
metrics.append(
{
"name": f"{self.config['metrics_prefix']}_server_stats_photos_by_users",
"value": user_data[x]['photos'],
"value": user_data[x]["photos"],
"labels": {"firstName": user_data[x]["userName"].split()[0]},
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} "
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} ",
}
)
metrics.append(
{
"name": f"{self.config['metrics_prefix']}_server_stats_videos_by_users",
"value": user_data[x]['videos'],
"value": user_data[x]["videos"],
"labels": {"firstName": user_data[x]["userName"].split()[0]},
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} "
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} ",
}
)
metrics.append(
{
"name": f"{self.config['metrics_prefix']}_server_stats_usage_by_users",
"value": (user_data[x]['usage']),
"value": (user_data[x]["usage"]),
"labels": {
"firstName": user_data[x]["userName"].split()[0],
},
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} "
"help": f"Number of photos by user {user_data[x]['userName'].split()[0]} ",
}
)
@@ -112,22 +107,22 @@ class ImmichMetricsCollector:
{
"name": f"{self.config['metrics_prefix']}_server_stats_user_count",
"value": user_count,
"help": "number of users on the immich server"
"help": "number of users on the immich server",
},
{
"name": f"{self.config['metrics_prefix']}_server_stats_photos_growth",
"value": photos_growth_total,
"help": "photos counter that is added or removed"
"help": "photos counter that is added or removed",
},
{
"name": f"{self.config['metrics_prefix']}_server_stats_videos_growth",
"value": videos_growth_total,
"help": "videos counter that is added or removed"
"help": "videos counter that is added or removed",
},
{
"name": f"{self.config['metrics_prefix']}_server_stats_usage_growth",
"value": usage_growth_total,
"help": "videos counter that is added or removed"
"help": "videos counter that is added or removed",
},
]
@@ -138,7 +133,7 @@ class ImmichMetricsCollector:
endpoint_storage = "/storage"
response_storage = self.request(endpoint_storage).json()
except requests.exceptions.RequestException as e:
logger.error(f"Couldn't get storage info: {e}")
logger.error("Couldn't get storage info: %s", e)
return [
{
@@ -163,29 +158,32 @@ class ImmichMetricsCollector:
"value": (response_storage["diskUsagePercentage"]),
"help": "disk usage in percent",
# "type": "counter"
}
},
]
def get_immich_server_version_number(self):
# Requesting immich_server_number serves two purposes. As the name says it returns the version number
# Requesting immich_server_number serves two purposes.
# As the name says it returns the version number
# 1. get version the full server version number
# 2. check if immich api key is correct
# throwing connectionRefused exception usually means that immich isn't running
server_version_endpoint = "/version"
response_server_version = ""
while True:
try:
response = self.request(server_version_endpoint).json()
except requests.exceptions.RequestException as e:
logger.error(f"Couldn't get server version")
except requests.exceptions.RequestException:
logger.error("Couldn't get server version")
continue
break
server_version_number = (
str(response["major"]) + "." + str(response["minor"]) + "." + str(response["patch"])
str(response["major"])
+ "."
+ str(response["minor"])
+ "."
+ str(response["patch"])
)
return [
@@ -193,61 +191,60 @@ class ImmichMetricsCollector:
"name": f"{self.config['metrics_prefix']}_server_info_version_number",
"value": bool(server_version_number),
"help": "server version number",
"labels": {"version": server_version_number}
"labels": {"version": server_version_number},
}
]
def get_system_stats(self):
loadAvg = os.getloadavg()
virtualMem = psutil.virtual_memory()
load_avg = os.getloadavg()
virtual_mem = psutil.virtual_memory()
cpu = psutil.cpu_percent(interval=1, percpu=False)
return [
{
"name": f"{self.config['metrics_prefix']}_system_info_loadAverage",
"value": loadAvg[0],
"value": load_avg[0],
"help": "CPU Load average 1m",
"labels": {"period": "1m"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_loadAverage",
"value": loadAvg[1],
"value": load_avg[1],
"help": "CPU Load average 5m",
"labels": {"period": "5m"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_loadAverage",
"value": loadAvg[2],
"value": load_avg[2],
"help": "CPU Load average 15m",
"labels": {"period": "15m"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_memory",
"value": virtualMem[0],
"value": virtual_mem[0],
"help": "Virtual Memory - Total",
"labels": {"type": "Total"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_memory",
"value": virtualMem[1],
"value": virtual_mem[1],
"help": "Virtual Memory - Available",
"labels": {"type": "Available"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_memory",
"value": virtualMem[2],
"value": virtual_mem[2],
"help": "Virtual Memory - Percent",
"labels": {"type": "Percent"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_memory",
"value": virtualMem[3],
"value": virtual_mem[3],
"help": "Virtual Memory - Used",
"labels": {"type": "Used"},
},
{
"name": f"{self.config['metrics_prefix']}_system_info_memory",
"value": virtualMem[4],
"value": virtual_mem[4],
"help": "Virtual Memory - Free",
"labels": {"type": "Free"},
},
@@ -263,29 +260,31 @@ class ImmichMetricsCollector:
base_url = self.config["immich_host"]
base_url_port = self.config["immich_port"]
base_api_endpoint = "/api/server"
combined_url = f"{prefix_url}{base_url}:{base_url_port}{base_api_endpoint}{api_endpoint}"
combined_url = (
f"{prefix_url}{base_url}:{base_url_port}{base_api_endpoint}{api_endpoint}"
)
return combined_url
# test
class SignalHandler():
class SignalHandler:
def __init__(self):
self.shutdownCount = 0
self.shutdown_count = 0
# Register signal handler
signal.signal(signal.SIGINT, self._on_signal_received)
signal.signal(signal.SIGTERM, self._on_signal_received)
def is_shutting_down(self):
return self.shutdownCount > 0
return self.shutdown_count > 0
def _on_signal_received(self, signal, frame):
if self.shutdownCount > 1:
def _on_signal_received(self):
if self.shutdown_count > 1:
logger.warning("Forcibly killing exporter")
sys.exit(1)
logger.info("Exporter is shutting down")
self.shutdownCount += 1
self.shutdown_count += 1
def get_config_value(key, default=""):
@@ -295,12 +294,12 @@ def get_config_value(key, default=""):
with open(input_path, "r") as input_file:
return input_file.read().strip()
except IOError as e:
logger.error(f"Unable to read value for {key} from {input_path}: {str(e)}")
logger.error("Unable to read value for %s from %s: %s", key, input_path, e)
return os.environ.get(key, default)
def check_server_up(immichHost, immichPort):
def check_server_up(immich_host, immich_port):
counter = 0
while True:
@@ -308,12 +307,15 @@ def check_server_up(immichHost, immichPort):
try:
requests.request(
"GET",
f"http://{immichHost}:{immichPort}/api/server/ping",
headers={'Accept': 'application/json'}
f"http://{immich_host}:{immich_port}/api/server/ping",
headers={"Accept": "application/json"},
)
except requests.exceptions.RequestException as e:
except requests.exceptions.RequestException:
logger.error(
f"CONNECTION ERROR. Cannot reach immich at {immichHost}:{immichPort}. Is immich up and running?")
"CONNECTION ERROR. Cannot reach immich at %s:%s. Is immich up and running?",
immich_host,
immich_port,
)
if 0 <= counter <= 60:
time.sleep(1)
elif 11 <= counter <= 300:
@@ -322,41 +324,37 @@ def check_server_up(immichHost, immichPort):
time.sleep(60)
continue
break
logger.info(f"Found immich up and running at {immichHost}:{immichPort}.")
logger.info("Found immich up and running at %s:%s.", immich_host, immich_port)
logger.info("Attempting to connect to immich")
time.sleep(1)
logger.info("Exporter 1.2.1")
def check_immich_api_key(immichHost, immichPort, immichApiKey):
def check_immich_api_key(immich_host, immich_port, immich_api_key):
while True:
try:
requests.request(
"GET",
f"http://{immichHost}:{immichPort}/api/server/",
headers={
"Accept": "application/json",
"x-api-key": immichApiKey
}
f"http://{immich_host}:{immich_port}/api/server/",
headers={"Accept": "application/json", "x-api-key": immich_api_key},
)
except requests.exceptions.RequestException as e:
logger.error(f"CONNECTION ERROR. Possible API key error")
logger.error("CONNECTION ERROR. Possible API key error")
logger.error({e})
time.sleep(3)
continue
logger.info(f"Success.")
logger.info("Success.")
break
def main():
# Init logger so it can be used
logHandler = logging.StreamHandler()
log_handler = logging.StreamHandler()
formatter = jsonlogger.JsonFormatter(
"%(asctime) %(levelname) %(message)",
datefmt="%Y-%m-%d %H:%M:%S"
"%(asctime) %(levelname) %(message)", datefmt="%Y-%m-%d %H:%M:%S"
)
logHandler.setFormatter(formatter)
logger.addHandler(logHandler)
log_handler.setFormatter(formatter)
logger.addHandler(log_handler)
logger.setLevel("INFO") # default until config is loaded
config = {
@@ -380,7 +378,9 @@ def main():
logger.error("No host specified, please set IMMICH_PORT environment variable")
sys.exit(1)
if not config["token"]:
logger.error("No token specified, please set IMMICH_API_TOKEN environment variable")
logger.error(
"No token specified, please set IMMICH_API_TOKEN environment variable"
)
sys.exit(1)
# Register our custom collector
@@ -393,9 +393,7 @@ def main():
# Start server
start_http_server(config["exporter_port"])
logger.info(
f"Exporter listening on port {config['exporter_port']}"
)
logger.info("Exporter listening on port %s", config["exporter_port"])
while not signal_handler.is_shutting_down():
time.sleep(1)

7
pyproject.toml
View File

@@ -22,3 +22,10 @@ build-backend = "setuptools.build_meta"
[project.scripts]
immich_exporter = "immich_exporter.exporter:main"
[tool.pylint.'MESSAGES CONTROL']
disable= [
"C0114", # Missing module docstring
"C0115", # Missing class docstring
"C0116", # Missing function or method docstring
]