Built-in Component Type

This documentation will walk through all the built-in component types sorted alphabetically.

It was generated automatically by scripts, please don’t update manually, last updated at 2023-07-28T09:33:26+08:00.

Describes cron jobs that run code or a script to completion.

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: cron-worker
spec:
  components:
    - name: mytask
      type: cron-task
      properties:
        image: perl
        count: 10
        cmd: ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]
        schedule: "*/1 * * * *"

Describes daemonset services in Kubernetes.

• daemonsets.apps

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: addon-node-exporter
  namespace: vela-system
spec:
  components:
  - name: node-exporter
    type: daemon    
    properties:
      image: prom/node-exporter
      imagePullPolicy: IfNotPresent
      volumeMounts:
        hostPath:
        - mountPath: /host/sys
          mountPropagation: HostToContainer
          name: sys
          path: /sys
          readOnly: true
        - mountPath: /host/root
          mountPropagation: HostToContainer
          name: root
          path: /
          readOnly: true
    traits:
    - properties:
        args:
        - --path.sysfs=/host/sys
        - --path.rootfs=/host/root
        - --no-collector.wifi
        - --no-collector.hwmon
        - --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
        - --collector.netclass.ignored-devices=^(veth.*)$
      type: command
    - properties:
        annotations:
          prometheus.io/path: /metrics
          prometheus.io/port: "8080"
          prometheus.io/scrape: "true"
        port:
        - 9100
      type: expose
    - properties:
        cpu: 0.1
        memory: 250Mi
      type: resource

K8s-objects allow users to specify raw K8s objects in properties.

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: app-raw
spec:
  components:
    - name: myjob
      type: k8s-objects
      properties:
        objects:
        - apiVersion: batch/v1
          kind: Job
          metadata:
            name: pi
          spec:
            template:
              spec:
                containers:
                - name: pi
                  image: perl
                  command: ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]
                restartPolicy: Never
            backoffLimit: 4

Describes jobs that run code or a script to completion.

• jobs.batch

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: app-worker
spec:
  components:
    - name: mytask
      type: task
      properties:
        image: perl
        count: 10
        cmd: ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]

Describes long-running, scalable, containerized services that have a stable network endpoint to receive external network traffic from customers.

• deployments.apps

apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: website
spec:
  components:
    - name: frontend
      type: webservice
      properties:
        image: oamdev/testapp:v1
        cmd: ["node", "server.js"]
        ports:
          - port: 8080
            expose: true
        cpu: "0.1"
        env:
          - name: FOO
            value: bar
          - name: FOO
            valueFrom:
              secretKeyRef:
                name: bar
                key: bar

Last updated on Aug 4, 2023 by Daniel Higuero