Question

Which syntax correctly defines a Custom Resource Definition (CRD) that an Operator might use?

Accepted Answer

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: databases.example.com
spec:
  group: example.com
  versions:
  - name: v1
    served: true
    storage: true
  scope: Namespaced
  names:
    plural: databases
    singular: database
    kind: Database
    shortNames:
    - db

Answer

apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  containers:
  - name: mycontainer
    image: nginx

Answer

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mydeployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
      - name: mycontainer
        image: nginx

Answer

apiVersion: v1
kind: Service
metadata:
  name: myservice
spec:
  selector:
    app: myapp
  ports:
  - protocol: TCP
    port: 80
    targetPort: 9376

Which syntax correctly defines a Custom Resource Definition (CRD) that an Operator might use?

Step 1: Identify CRD syntax

Step 2: Compare options

Final Answer:

Quick Check:

Want More Practice?