multi-region-checks.yml

apiVersion: batch/v1
kind: CronJob
metadata:
  name: regional-latency-probe
  namespace: monitoring
spec:
  schedule: "* * * * *"
  concurrencyPolicy: Forbid
  jobTemplate:
    spec:
      template:
        spec:
          restartPolicy: Never
          containers:
            - name: latency-probe
              image: curlimages/curl:8.7.1
              command:
                - /bin/sh
                - -c
                - |
                  REGIONS="us-east-1 eu-west-1 ap-southeast-1 ap-northeast-1 sa-east-1"
                  for region in $REGIONS; do
                    start=$(date +%s%N)
                    curl -sf "https://${region}.api.gistpin.io/health" -o /dev/null || true
                    end=$(date +%s%N)
                    latency_ms=$(( (end - start) / 1000000 ))
                    printf "gistpin_regional_probe_latency_ms{region=\"${region}\"} ${latency_ms}\n" | \
                      curl -sf --data-binary @- \
                      "http://prometheus-pushgateway.monitoring.svc:9091/metrics/job/regional-probe/region/${region}" || true
                  done
              resources:
                requests:
                  cpu: 10m
                  memory: 16Mi