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Add context timeout to local temperature collection

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The getTemperatureLocal() function was running sensors without a timeout,
which could cause HTTP requests to hang if the sensors command stalled.

This adds context.Context parameter and uses exec.CommandContext to ensure
local temperature collection respects the same 15-second timeout as SSH-based
collection.

Fixes issue where HTTP mode worked for remote nodes but timed out for
self-monitoring on the same host.
This commit is contained in:
rcourtman 2025-11-13 20:15:05 +00:00
parent 59c630633f
commit e178ae50a5
1 changed files with 5 additions and 5 deletions
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10
cmd/pulse-sensor-proxy/ssh.go
View file

@ -580,7 +580,7 @@ func (p *Proxy) getTemperatureViaSSH(ctx context.Context, nodeHost string) (stri
// For standalone nodes, avoid SSH and run sensors directly
if isLocalNode(nodeHost) {
log.Debug().Str("node", nodeHost).Msg("Self-monitoring detected, collecting temperatures locally")
return p.getTemperatureLocal()
return p.getTemperatureLocal(ctx)
}
privKeyPath := filepath.Join(p.sshKeyPath, "id_ed25519")
@ -1002,13 +1002,13 @@ func isLocalNode(nodeHost string) bool {
}
// getTemperatureLocal collects temperature data from the local machine
func (p *Proxy) getTemperatureLocal() (string, error) {
// Run the same command that the wrapper script runs
cmd := exec.Command("sensors", "-j")
func (p *Proxy) getTemperatureLocal(ctx context.Context) (string, error) {
// Run the same command that the wrapper script runs with context timeout
cmd := exec.CommandContext(ctx, "sensors", "-j")
output, err := cmd.Output()
if err != nil {
// Try without -j flag as fallback
cmd = exec.Command("sensors")
cmd = exec.CommandContext(ctx, "sensors")
output, err = cmd.Output()
if err != nil {
return "", fmt.Errorf("failed to run sensors: %w", err)