SRE/Tools/CloudProber

Describe SRE/Tools/CloudProber here.

https://github.com/cloudprober/cloudprober

Config

cat > /tmp/cloudprober.cfg << 'EOF'
probe {
  name: "ping-8.8.8.8"
  type: PING
  targets {
    host_names: "8.8.8.8"
  }
  interval: "5s"
  timeout: "2s"

  ping_probe {
    use_datagram_socket: false   # change to true if you ever get permission issues
  }
}

# Optional: also ping Cloudflare and Quad9 for comparison
probe {
  name: "ping-cloudflare"
  type: PING
  targets {
    host_names: "1.1.1.1"
  }
  interval: "10s"
  timeout: "2s"
}

surfacer {
  type: PROMETHEUS
}
EOF

Run the prober

docker run -it --rm \
  --cap-add=NET_RAW \
  -v /tmp/cloudprober.cfg:/etc/cloudprober.cfg \
  -p 9313:9313 \
  ghcr.io/cloudprober/cloudprober \
  --config_file=/etc/cloudprober.cfg

View the prometheus export

# 3. Watch live (updates every few seconds)
watch -n 2 'curl -s http://localhost:9313/metrics | grep -E "(total|success|latency)" | grep ping-google-dns'