64925ffe5b
- Cria health_check/ com __init__.py, _ping.py e _config.py - healthcheck.py vira CLI fino que usa o pacote - pyproject.toml completo com build system (hatchling) e metadados - docs/ping-payload.md com instruções de uso como biblioteca
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
import json
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import subprocess
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import urllib.error
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import urllib.request
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from pathlib import Path
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_USER_AGENT = "health-check/1.0.2"
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def _build_body(agent: str, device: str) -> bytes:
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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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return json.dumps({"user": agent, "device": device, "ips": ips, "uptime": uptime}).encode()
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def ping(url: str, agent: str, device: str, timeout: int = 10) -> int:
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"""Send a success ping to Healthchecks.io. Returns the HTTP status code."""
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body = _build_body(agent, device)
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req = urllib.request.Request(
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url, data=body, method="POST",
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headers={"User-Agent": _USER_AGENT, "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, agent: str, device: str, timeout: int = 10) -> None:
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"""Send a failure ping to Healthchecks.io (<uuid>/fail)."""
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body = _build_body(agent, device)
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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": _USER_AGENT, "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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