apiVersion: core.oam.dev/v1beta1
kind: TraitDefinition
metadata:
  name: rollout
  namespace: vela-system
  annotations:
    definition.oam.dev/description: "Configures Canary deployment strategy for your application."
spec:
  appliesToWorkloads:
    - webservice
  definitionRef:
    name: canaries.flagger.app
  workloadRefPath: spec.targetRef
  revisionEnabled: true
  podDisruptive: true
  extension:
    install:
      helm:
        repo: oam-flagger
        name: flagger
        namespace: vela-system
        url: https://oam.dev/flagger/archives/
        version: 1.1.0
  schematic:
    cue:
      template: |-
        outputs: rollout: {{
          apiVersion: "flagger.app/v1beta1"
          kind:       "Canary"
          spec: {
              provider:                "smi"
              progressDeadlineSeconds: 60
              service: {
                  // Currently Traffic route is not supported, but this is required field for flagger CRD
                  port: 80
                  // Currently Traffic route is not supported, but this is required field for flagger CRD
                  targetPort: 8080
              }
              analysis: {
                  interval: parameter.interval
                  // max number of failed metric checks before rollback
                  threshold: 10
                  // max traffic percentage routed to canary
                  // percentage (0-100)
                  maxWeight: 50
                  // canary increment step
                  // percentage (0-100)
                  stepWeight: parameter.stepWeight
                  // max replicas scale up to canary
                  maxReplicas: parameter.replicas
              }
          }
        }}
        parameter: {
          // +usage=Total replicas of the workload
          replicas: *2 | int
          // +alias=step-weight
          // +usage=Weight percent of every step in rolling update
          stepWeight: *50 | int
          // +usage=Schedule interval time
          interval: *"30s" | string
        }