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diary-news/scripts/_net_check2.py

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import os, paramiko
PW = os.environ["REMOTE_PASS"]
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("207.57.129.228", port=19717, username="root", password=PW, timeout=15, allow_agent=False, look_for_keys=False)
def run(cmd, t=20):
si, so, se = c.exec_command(cmd, timeout=t)
out = so.read().decode("utf-8", "replace")
err = se.read().decode("utf-8", "replace")
rc = so.channel.recv_exit_status()
print(f"$ {cmd}")
if out: print(out, end="")
if err: print("[err]", err, end="", file=__import__("sys").stderr)
print(f" rc={rc}")
return out
# 测不同 DNS
for domain in ["feeds.reuters.com", "feeds.bbci.co.uk", "www.aljazeera.com", "www3.nhk.or.jp", "rss.dw.com"]:
r = run(f"cd /srv/news && sg docker -c \"docker compose exec -T worker getent hosts {domain}\" 2>&1 | tail -2", t=10)
print(f" => {domain}: {'OK' if 'Address' in r or any(c.isdigit() for c in r) else 'FAIL'}")
# 容器内抓一下 bbc
print("\n--- 容器内 fetch bbc ---")
run("cd /srv/news && sg docker -c \"docker compose exec -T worker python -c 'import asyncio, httpx; r = await httpx.AsyncClient().get(\\\"https://feeds.bbci.co.uk/news/world/rss.xml\\\"); print(\\\"status:\\\", r.status_code, \\\"len:\\\", len(r.text))'\" 2>&1 | tail -5")
c.close()