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Kubernetes custom resource definitions (CRD) example

Defeated Dotterel answered on July 21, 2022 Popularity 1/10 Helpfulness 1/10

answer Kubernetes custom resource definitions (CRD) example

related kubernetes create custom resource definition (CRD)

Kubernetes custom resource definitions (CRD) example

Comment

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must match the spec fields below, and be in the form: <plural>.<group>
  name: crontabs.stable.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: stable.example.com
  # list of versions supported by this CustomResourceDefinition
  versions:
    - name: v1
      # Each version can be enabled/disabled by Served flag.
      served: true
      # One and only one version must be marked as the storage version.
      storage: true
      schema:
        openAPIV3Schema:
          type: object
          properties:
            spec:
              type: object
              properties:
                cronSpec:
                  type: string
                image:
                  type: string
                replicas:
                  type: integer
  # either Namespaced or Cluster
  scope: Namespaced
  names:
    # plural name to be used in the URL: /apis/<group>/<version>/<plural>
    plural: crontabs
    # singular name to be used as an alias on the CLI and for display
    singular: crontab
    # kind is normally the CamelCased singular type. Your resource manifests use this.
    kind: CronTab
    # shortNames allow shorter string to match your resource on the CLI
    shortNames:
    - ct

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: kubernetes.io

Tags: definitions kubernetes whatever

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Contributed on Oct 05 2022

Defeated Dotterel

0 Answers Avg Quality 2/10

Closely Related Answers

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 2/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: definition whatever kubernetes

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Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: kubernetes definition whatever

Link to this answer
Share Copy Link

Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: whatever definition kubernetes

Link to this answer
Share Copy Link

Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 2/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: kubernetes definition whatever

Link to this answer
Share Copy Link

Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: definition kubernetes whatever

Link to this answer
Share Copy Link

Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

kubernetes create custom resource definition (CRD)

Comment

###create your CRD###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must be in the form: <plural>.<group>
  name: myapps.example.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: example.com
  scope: Namespaced
  names:
    # kind is normally the CamelCased singular type. 
    kind: MyApp
    # singular name to be used as an alias on the CLI
    singular: myapp
    # plural name in the URL: /apis/<group>/<version>/<plural>
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true


kubectl apply -f crd.yaml
kubectl api-resources | grep myapp


###Create a Custom Object###
apiVersion: example.com/v1
kind: MyApp
metadata:
  name: test-app
spec:
  replicas: 3
  environment: dev
  version: release-1.0.0
  language: golang
  

kubectl apply -f test-app.yaml
kubectl get myapp
kubectl get myapp test-app -o yaml


###Add Additional Printer Columns###
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: myapps.example.com
spec:
  group: example.com
  scope: Namespaced
  names:
    kind: MyApp
    singular: myapp
    plural: myapps
  versions:
  - name: v1
    served: true
    storage: true
    additionalPrinterColumns:
      - name: Replicas
        type: integer
        description: The number of pods launched by the MyApp
        jsonPath: .spec.replicas
      - name: Version
        type: string
        jsonPath: .spec.version
      - name: Age
        type: date
        jsonPath: .metadata.creationTimestamp
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            x-kubernetes-preserve-unknown-fields: true
            
kubectl apply -f crd.yaml
kubectl get myapp test-app

ref: https://able8.medium.com/create-a-simple-kubernetes-custom-resource-and-crd-with-kubectl-f2a73e166f5d

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: able8.medium.com

Tags: definition kubernetes whatever

Link to this answer
Share Copy Link

Contributed on Jul 21 2022

DreamCoder

0 Answers Avg Quality 2/10

Kubernetes custom resource definitions (CRD) example

Contents

More Related Answers

Kubernetes custom resource definitions (CRD) example

Closely Related Answers

kubernetes create custom resource definition (CRD)

kubernetes create custom resource definition (CRD)

kubernetes create custom resource definition (CRD)

kubernetes create custom resource definition (CRD)

kubernetes create custom resource definition (CRD)

kubernetes create custom resource definition (CRD)

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