Blackbox exporter

The blackbox exporter allows blackbox probing of endpoints over HTTP, HTTPS, DNS, TCP, ICMP and gRPC.

Source: prometheus/blackbox_exporter

Requirements

• Kubernetes >= 1.25.0
• Kustomize = v3.5.3
• prometheus-operator

Image repository and tag

• Blackbox exporter image: registry.sighup.io/fury/prometheus/blackbox-exporter:v0.24.0
• Blackbox exporter repository: Blackbox exporter on GitHub
• Kubernetes ConfigMap Reload image: registry.sighup.io/fury/jimmidyson/configmap-reload:v0.5.0
• Kubernetes ConfigMap Reload repository: Kubernetes ConfigMap Reload on GitHub
• kube-rbac-proxy image: registry.sighup.io/fury/brancz/kube-rbac-proxy:v0.14.2
• kube-rbac-proxy repository: kube-rbac-proxy on Github

Configuration

Blackbox exporter is deployed with the following configuration:

• Resource limits are 20m for CPU and 40Mi for memory
• Listens on port 9115
• Metrics are scraped by Prometheus every 30s
• Probes available:
  • HTTP 200 GET (http_2xx)
  • HTTP 200 POST (http_post_2xx)
  • IRC (irc_banner)
  • POP3S (pop3s_banner)
  • SSH (ssh_banner)
  • TCP (tcp_connect)

To learn how to instruct Prometheus to check Blackbox exporter probes, please see the examples folder.

Deployment

You can deploy blackbox-exporter by running the following command:

kustomize build katalog/blackbox-exporter | kubectl apply -f - --server-side