Prometheus

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

Example

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
description	Description for the check	string
display	Template to display the result in	Template
host	Address of the prometheus server	string	Yes
icon	Icon for overwriting default icon on the dashboard	string
name	Name of the check	string
query	PromQL query	string	Yes
test	Template to test the result against	Template

---

Scheme Reference

Template

Field	Description	Scheme	Required
jsonPath	Specify path to JSON element for use in template	string
template	Specify Go template for use	string
expr	Specify expression for use in template	string
javascript	Specify javascript syntax for template	string