Heartbeat for Kubernetes ConfigMap

heartbeat-cm.yml

apiVersion: v1
kind: ConfigMap
metadata:
  name: heartbeat-deployment-config
  namespace: monitoring
  labels:
    k8s-app: heartbeat
data:
  heartbeat.yml: |-
    heartbeat.monitors:
      - type: icmp
        schedule: '*/5 * * * * * *'
        hosts:
          - "www.elastic.co"
          - "discuss.elastic.co"
          - "www.google.com"
          - "localhost"
      - type: http
        schedule: '@every 5s'
        name: Elastic Website
        urls:
          - "http://www.elastic.co"
        check.response:
          status: 301
          body: 
      - type: tcp
        name: Google DNS
        schedule: '@every 30s'
        hosts:
          - "8.8.8.8:53"
          
    heartbeat.autodiscover:
      providers:
        - type: kubernetes
          resource: node
          node: ${NODE_NAME}
          scope: cluster
          templates:
            # Example, check SSH port of all cluster nodes:
            - condition: ~
              config:
                - hosts:
                    - ${data.host}:22
                  name: ${data.kubernetes.node.name}
                  schedule: '@every 10s'
                  timeout: 5s
                  type: tcp

    output.logstash:
      hosts: '${LOGSTASH_URL}'

Shoulld emplates be templates?

Yes, thank you!

Nice article, thanks for writing it.

Thank you!