Define Application Health Probe

    1. Create an application with the health scope
    2. kind: Application
    3. metadata:
    4.   name: vela-app
    5. spec:
    6.   components:
    7.     - name: express-server
    8.       type: webservice
    9.       properties:
    10.         image: crccheck/hello-world
    11.         port: 8080 # change port
    12.         cpu: 0.5 # add requests cpu units
    13.       scopes:
    14.         healthscopes.core.oam.dev: health-check
    1. Check app status, will see health scope in status.service.scopes
    1. apiVersion: core.oam.dev/v1beta1
    3.   name: vela-app
    4. ...
    5. status:
    6. ...
    7.   services:
    8.    - healthy: true
    9.      name: express-server
    10.      scopes:
    11.        - apiVersion: core.oam.dev/v1alpha2
    12.          kind: HealthScope
    13.          name: health-check
    1. apiVersion: core.oam.dev/v1alpha2
    2. kind: HealthScope
    3. metadata:
    4.   name: health-check
    5. ...
    6.   probe-interval: 60
    7.   workloadRefs:
    8.     - apiVersion: apps/v1
    9.       kind: Deployment
    10.       name: express-server
    11. status:
    12.   healthConditions:
    13.     - componentName: express-server
    14.       diagnosis: 'Ready:1/1 '
    15.       healthStatus: HEALTHY
    16.       targetWorkload:
    17.         apiVersion: apps/v1
    18.         kind: Deployment
    19.         name: express-server
    20.   scopeHealthCondition:
    21.     healthStatus: HEALTHY