75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
//go:build commercial
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package main
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import (
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"log"
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"net/http"
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"os"
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"strings"
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"time"
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)
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// kumaPush sends health status to Kuma every 60 seconds
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func kumaPush() {
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kumaURL := os.Getenv("KUMA_PUSH_URL")
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if kumaURL == "" {
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// Kuma push disabled - no hardcoded URL per KISS principle
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return
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}
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ticker := time.NewTicker(60 * time.Second)
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defer ticker.Stop()
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// Send immediately on startup
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sendKumaPush(kumaURL)
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for range ticker.C {
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sendKumaPush(kumaURL)
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}
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}
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func sendKumaPush(kumaURL string) {
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// Check health
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var one int
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err := db.QueryRow("SELECT 1").Scan(&one)
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status := "up"
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msg := "telemetry service healthy"
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if err != nil {
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status = "down"
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msg = "database unavailable: " + err.Error()
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}
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// Check last telemetry received
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var lastBeat int64
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if err := db.QueryRow(`SELECT MAX(received_at) FROM telemetry`).Scan(&lastBeat); err != nil {
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log.Printf("ERR-TELEMETRY-033: Failed to query last telemetry timestamp - %v", err)
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// Continue with lastBeat=0, will show warning status
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}
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now := time.Now().Unix()
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if now-lastBeat > 300 {
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// No telemetry in 5 minutes - still up but warning
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if status == "up" {
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msg = "no recent telemetry from POPs"
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}
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}
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// POST to Kuma
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payload := `{"status":"` + status + `","msg":"` + strings.ReplaceAll(msg, `"`, `\"`) + `","ping":60}`
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resp, err := http.Post(kumaURL, "application/json", strings.NewReader(payload))
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if err != nil {
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log.Printf("ERR-TELEMETRY-030: Failed to push health status to Kuma at %s - %v", kumaURL, err)
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return
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}
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if resp.StatusCode != http.StatusOK {
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log.Printf("ERR-TELEMETRY-031: Kuma returned non-OK status %d from %s", resp.StatusCode, kumaURL)
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if err := resp.Body.Close(); err != nil {
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log.Printf("ERR-TELEMETRY-032: Failed to close Kuma response body after non-OK status - %v", err)
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}
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return
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}
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if err := resp.Body.Close(); err != nil {
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log.Printf("ERR-TELEMETRY-032: Failed to close Kuma response body - %v", err)
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}
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}
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