Prometheus

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

prometheus-check.yml
apiVersion: canaries.flanksource.com/v1
kind: Topology
metadata:
  name: prometheus-metrics
  namespace: default
spec:
  schedule: '@every 30s'
  components:
    - name: Prometheus
      type: Table
      icon: prometheus
      lookup:
        prometheus:
          - connection: http://prometheus.monitoring:9090
            query: sum(up) by (job)
            display:
              expr: |
                results.map(target, {
                  'name': target.job,
                  'type': "Job",
                }).toJSON()

Field	Description	Scheme	Required
display	Template to display the result in	Template
host	Address of the Prometheus server	string	Yes
query	PromQL query	string	Yes

Results

The results variable in the template is a list of prometheus metrics.

Field	Description	Scheme
results	List of prometheus metrics	[]map[string]any