3de8b36d86
- README atualizado com guia de instalação completo do zero - EnvironmentFile e ExecStart no .service corrigidos - health-monitor renomeado para health-check em todos os arquivos - User-Agent e config_file atualizados no healthcheck.py - Versão bumped para 1.0.2
96 lines
3 KiB
Python
96 lines
3 KiB
Python
#!/usr/bin/env python3
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import json
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import os
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import subprocess
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import sys
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import urllib.request
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import urllib.error
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from datetime import datetime, timezone
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from pathlib import Path
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USER_NAME = "Ronaldo Freitas Dias"
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def load_config():
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config_file = Path.home() / ".config" / "health-check"
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config = {}
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if config_file.exists():
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for line in config_file.read_text().splitlines():
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if "=" in line:
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key, value = line.split("=", 1)
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config[key.strip()] = value.strip()
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return config
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def ping(url: str, body: bytes, timeout: int) -> int:
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req = urllib.request.Request(
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url, data=body, method="POST",
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headers={"User-Agent": "health-check/1.0.2", "Content-Type": "application/json"}
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)
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with urllib.request.urlopen(req, timeout=timeout) as response:
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return response.getcode()
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def ping_fail(url: str, body: bytes, timeout: int) -> None:
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fail_url = url.rstrip("/") + "/fail"
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try:
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req = urllib.request.Request(
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fail_url, data=body, method="POST",
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headers={"User-Agent": "health-check/1.0.2", "Content-Type": "application/json"}
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)
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urllib.request.urlopen(req, timeout=timeout)
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except Exception:
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pass
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def main():
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config = load_config()
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url = sys.argv[1] if len(sys.argv) > 1 else os.environ.get("HEALTHCHECK_URL") or config.get("HEALTHCHECK_URL")
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if not url:
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print("ERROR: HEALTHCHECK_URL not set", file=sys.stderr)
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return 1
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device = os.environ.get("DEVICE_NAME") or config.get("DEVICE_NAME", "unknown")
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timeout = int(os.environ.get("HEALTHCHECK_TIMEOUT", 10))
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try:
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ips = subprocess.check_output(["hostname", "-I"], timeout=5).decode().split()
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except Exception:
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ips = []
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try:
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seconds = int(float(Path("/proc/uptime").read_text().split()[0]))
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d, rem = divmod(seconds, 86400)
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h, rem = divmod(rem, 3600)
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m = rem // 60
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uptime = f"{d}d {h}h {m}m"
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except Exception:
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uptime = "unknown"
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body = json.dumps({"user": USER_NAME, "device": device, "ips": ips, "uptime": uptime}).encode()
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try:
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status = ping(url, body, timeout)
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if 200 <= status < 300:
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print(f"{datetime.now(timezone.utc).isoformat()} status={status} device={device} url={url}")
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return 0
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print(f"ERROR: HTTP {status} url={url}", file=sys.stderr)
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ping_fail(url, body, timeout)
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return 2
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except urllib.error.HTTPError as exc:
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print(f"HTTPError {exc.code} {exc.reason} url={url}", file=sys.stderr)
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ping_fail(url, body, timeout)
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return 3
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except urllib.error.URLError as exc:
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print(f"URLError {exc.reason} url={url}", file=sys.stderr)
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ping_fail(url, body, timeout)
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return 4
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except Exception as exc:
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print(f"ERROR {exc} url={url}", file=sys.stderr)
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ping_fail(url, body, timeout)
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return 5
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if __name__ == "__main__":
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sys.exit(main())
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