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  fix(uplink): cross-site MAC-collision guards, liveness from metric batches; app-icon proxy

  LastSkywalker released this 2026-06-12 00:15:19 +03:00 | 227 commits to main since this release

  Docker-bridge agents on different machines derive identical MACs
  (02:42:… from equal bridge IPs), which broke three things on the hub:

  • a spoke's self-linked guest resolved to the HUB's own collector row
    and attached a foreign hypervisor topology to it, while the real
    guest row lost its parent (dokploy detaching from mika-pve);
  • the spoke node's own metric batches resolved to the hub's id=1 row
    and were skipped as 'our own machine' — no stats, no applications;
  • nothing maintained last_seen for replicated hosts (CmdHostLastSeen
    was never published), so remote cards stayed red while charts moved.

  Fixes:

  • UpsertConnectorHost: a remote-origin row never claims the local
    collector row; topology equal to the incoming external_id is shed
    (heals rows decorated before the guard); created rows fall back to a
    stable synthetic LAA MAC when the real one is taken;
  • applyHostUpsert skips remote agents whose MAC equals our own row;
  • applyMetricBatch resolves remote batches origin-first (MAC within
    origin, then name) and bumps the host's last_seen — a host streaming
    metrics is alive, cards go green without a heartbeat command;
  • hosts repo: GetHostByOriginAndName.

  New: server-side application-icon resolver (GET /api/v1/app-icons/:slug)
  — collapsed-name matching against the live selfh.st index
  ('nginxproxymanager' → 'nginx-proxy-manager', unique-prefix 'crafty' →
  'crafty-controller'), CDN candidates fetched once, 24h in-memory cache

  • browser cache headers; the frontend now asks the backend instead of
    hitting CDNs per client, keeping the favicon fallback.

  Downloads

  • Source Code (ZIP)
  • Source Code (TAR.GZ)