apiVersion: core.oam.dev/v1beta1
kind: TraitDefinition
metadata:
  name: metrics
  namespace: vela-system
  annotations:
    definition.oam.dev/description: "Configures monitoring metrics for your service."
spec:
  appliesToWorkloads:
    - webservice
    - backend
    - task
  definitionRef:
    name: metricstraits.standard.oam.dev
  workloadRefPath: spec.workloadRef
  extension:
    install:
      helm:
        repo: prometheus-community
        name: kube-prometheus-stack
        namespace: monitoring
        url: https://prometheus-community.github.io/helm-charts
        version: 9.4.4
  schematic:
    cue:
      template: |-
        outputs: metrics: {
            apiVersion: "standard.oam.dev/v1alpha1"
            kind:       "MetricsTrait"
            spec: {
              	scrapeService: parameter
            }
        }
        parameter: {
            // +usage=Format of the metrics, default as prometheus
            // +short=f
            format: *"prometheus" | string
            // +usage=The metrics path of the service
            path: *"/metrics" | string
            // +usage=The way to retrieve data which can take the values `http` or `https`
            scheme:  *"http" | string
            enabled: *true | bool
            // +usage=The port for metrics, will discovery automatically by default
            port: *0 | >=1024 & <=65535 & int
            // +usage=The label selector for the pods, will discovery automatically by default
            selector?: [string]: string
        }