Prometheus

The Prometheus Check connects to the Prometheus host, performs the desired query, and displays the results.

apiVersion: canaries.flanksource.com/v1
kind: Canary
metadata:
  name: prometheus-check
spec:
  interval: 30
  prometheus:
    - host: http://prometheus-k8s.monitoring.svc:9090
      query: kubernetes_build_info{job!~"kube-dns|coredns"}
      display:
        template: "{{ (index .results 0).git_version }}"
      test:
        template: "true"

Field	Description	Scheme	Required
host	Address of the Prometheus server	string	Yes
query	PromQL query	string	Yes
*	All other common fields	Common

Result Variables

Name	Description	Scheme
value		float
firstValue	Number of rows returned	int
results	A list of results	[]map[string]interface{}