phpfpm_

#!/usr/bin/env python3
import os
import sys
import json
import urllib.request

# Munin plugin for PHP-FPM pool status monitoring
# Supports JSON status endpoint
# Author: ChatGPT + Stanislav Janů

POOL = os.getenv("pool", "www")
URL = os.getenv("url", f"http://127.0.0.1/status-{POOL}?json")
TIMEOUT = int(os.getenv("timeout", "3"))


def fetch_status():
    try:
        with urllib.request.urlopen(URL, timeout=TIMEOUT) as response:
            data = json.loads(response.read().decode())
            return data
    except Exception as e:
        print(f"# ERROR: {e}", file=sys.stderr)
        sys.exit(1)


def print_config():
    # --- accepted_conn ---
    print(f"multigraph phpfpm_{POOL}_accepted_conn")
    print(f"graph_title PHP-FPM {POOL}: Accepted connections")
    print("graph_vlabel connections")
    print("graph_category php-fpm")
    print("accepted_conn.label accepted connections")
    print("accepted_conn.type DERIVE")
    print("accepted_conn.min 0")

    # --- processes ---
    print(f"\nmultigraph phpfpm_{POOL}_processes")
    print(f"graph_title PHP-FPM {POOL}: Processes")
    print("graph_vlabel processes")
    print("graph_category php-fpm")
    print("active_processes.label active")
    print("idle_processes.label idle")
    print("max_active_processes.label max active")

    # --- slow_requests ---
    print(f"\nmultigraph phpfpm_{POOL}_slow_requests")
    print(f"graph_title PHP-FPM {POOL}: Slow requests")
    print("graph_vlabel slow requests")
    print("graph_category php-fpm")
    print("slow_requests.label slow requests")
    print("slow_requests.type DERIVE")
    print("slow_requests.min 0")


def print_values(data):
    # --- accepted_conn ---
    print(f"multigraph phpfpm_{POOL}_accepted_conn")
    print(f"accepted_conn.value {data.get('accepted conn', 0)}")

    # --- processes ---
    print(f"\nmultigraph phpfpm_{POOL}_processes")
    print(f"active_processes.value {data.get('active processes', 0)}")
    print(f"idle_processes.value {data.get('idle processes', 0)}")
    print(f"max_active_processes.value {data.get('max active processes', 0)}")

    # --- slow_requests ---
    print(f"\nmultigraph phpfpm_{POOL}_slow_requests")
    print(f"slow_requests.value {data.get('slow requests', 0)}")


if __name__ == "__main__":
    if len(sys.argv) == 2 and sys.argv[1] == "config":
        print_config()
    else:
        status = fetch_status()
        print_values(status)