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fix(console): the console daemons log where the operator looks

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- novncd and socketiod log to stderr: the journal on hosts, docker logs in
  the container (runit no longer sends them to unrotated files under
  /var/log). Django's settings gave them the panel's own log file, which
  every process rotated on its own, and made novncd's -v and -d have no
  effect; both work again.
- A refused console says why in the log: novncd's denials are warnings
  (they were shown only with -v), socketiod logs each refusal and who
  opened which VM's serial console.
- The README's serial console notes say what #228 changed (access
  re-checked, superuser takeover, reasons) and where the logs are.
This commit is contained in:
catborise 2026-10-26 20:45:27 +03:00
parent c169ccf5fe
commit 3bd9fe63e5
7 changed files with 51 additions and 38 deletions
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5
README.md
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@ -412,8 +412,9 @@ A VM without graphics (no `<graphics>` device, a `<console type='pty'>`) opens a
- The VM page's Settings → Console switches a shut-off VM between VNC and serial (Console type). A new VNC console takes the form's other fields; on a TCP or TLS compute it needs Listen on: All interfaces (only SSH computes reach a localhost console).
- The guest must use its serial port: a login prompt needs `systemctl enable --now serial-getty@ttyS0`, boot messages need the kernel parameter `console=ttyS0,115200`. The console shows only what the guest writes after it opens; press Enter for a new prompt.
- socketiod listens on 127.0.0.1:6081; the page reaches it through nginx's `/socket.io/` location on the panel's own address.
- It accepts the console page's signed token, as noVNC does: whoever gets that token within 120 s gets the console, and an open console stays open after its user loses access to the VM.
- One console per VM, at most 20 at a time; a second one shows "refused".
- It accepts the console page's signed token, as noVNC does: whoever gets that token within 120 s gets the console. An open console closes within 10 s once its user loses access to the VM.
- One console per VM, at most 20 at a time; a second one is refused with the reason, except a superuser's, which takes the console over.
- novncd and socketiod log to the journal (`journalctl -u webvirt-novncd -u webvirt-socketiod`) or, in Docker, to `docker logs`: a console that was refused or could not connect says why there.
## Updating