run blackbox exporter with helm chart

blackbox-exporter

# add helm repository
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update

# install blackbox exporter with values file
helm install black prometheus-community/prometheus-blackbox-exporter --values values-blackbox.yaml

# running pods
❯❯ kubectl get pods
NAME                                                  READY   STATUS    RESTARTS   AGE
black-prometheus-blackbox-exporter-66d48cc898-d9n79   1/1     Running   0          90s

# runng services
❯❯ kubectl get svc
NAME                                 TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)    AGE
black-prometheus-blackbox-exporter   ClusterIP   10.105.196.114   <none>        9115/TCP   71s
kubernetes                           ClusterIP   10.96.0.1        <none>        443/TCP    46h

# blackbox exporter create configmap with the probe configurations
❯❯ kubectl get configmaps
NAME                                 DATA   AGE
black-prometheus-blackbox-exporter   1      101s
kube-root-ca.crt                     1      46h

# descripe configmap for get the probe configurations
# by default blackbox exporter addes http prober module [http_2xx]
# additionaly it contains the tcp prober module we have created [tcp_prober]
❯❯ kubectl describe configmap black-prometheus-blackbox-exporter
Name:         black-prometheus-blackbox-exporter
Namespace:    default
Labels:       app.kubernetes.io/instance=black
              app.kubernetes.io/managed-by=Helm
              app.kubernetes.io/name=prometheus-blackbox-exporter
              app.kubernetes.io/version=0.22.0
              helm.sh/chart=prometheus-blackbox-exporter-7.1.3
Annotations:  meta.helm.sh/release-name: black
              meta.helm.sh/release-namespace: default

Data
====
blackbox.yaml:
----
modules:
  http_2xx:
    http:
      follow_redirects: true
      preferred_ip_protocol: ip4
      valid_http_versions:
      - HTTP/1.1
      - HTTP/2.0
    prober: http
    timeout: 5s
  tcp_prober:
    prober: tcp
    tcp:
      ip_protocol_fallback: false
      preferred_ip_protocol: ip4


BinaryData
====

Events:  <none>