Files
pulse/internal/api
rcourtman 6ce593f474 Skip monitor reload on no-op auto-register
Every ~5 minutes the Pulse agent on a node already covered by an
existing cluster endpoint re-announces itself via POST
/api/auto-register. The handler ran the full add-the-standalone +
consolidate path, which produced an identical persisted-config
state. But it still wrote nodes.enc and called reloadFunc, which
stops the multi-tenant monitor, sleeps 1 s, and rebuilds it from
scratch. During the rebuild the WebSocket-visible resource store
goes empty (nodes:0, vms:0, containers:0, dockerHosts:0), so every
connected client sees every row flash blank and reappear. The
Docker page made the flicker obvious because the rows are dense
and stacked, but the regression hit every page in the UI.

Fingerprint the persisted-config payload before any mutation and
again after consolidation; when the fingerprints match, the
auto-register is a no-op and SaveNodesConfig + reloadFunc are both
skipped. Real changes (a new node, a rotated token, a captured
fingerprint) still flow through unchanged.

Add two regression tests: one drives the warm-up + steady-state
heartbeat pair and asserts the second call does not call
reloadFunc; the other rotates a token and asserts reloadFunc still
fires.
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Internal API Package

This directory contains the API server implementation for Pulse.

Important Note About frontend-modern/

The frontend-modern/ subdirectory that appears here is:

  • AUTO-GENERATED during builds
  • NOT the source code - just a build artifact
  • IN .gitignore - never committed
  • REQUIRED BY GO - The embed directive needs it here

Frontend Development Location

👉 Edit frontend files at: ${PULSE_REPOS_DIR}/pulse/frontend-modern/src/

Why This Structure?

Go's //go:embed directive has limitations:

  1. Cannot use ../ paths to access parent directories
  2. Cannot follow symbolic links
  3. Must embed files within the Go module

This is a known Go limitation and our structure works around it.