component-operator

Kubebuilder - Operator

Commands

1. Create project

kubebuilder init --domain component.cloudsteak.com --owner "CloudSteak" --repo github.com/cloudsteak/component-operator.git --license 'none'

2. Create API

kubebuilder create api --kind NamespaceChecker --version v1alpha1 --group api

3. Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.

make generate

4. Create manifests (CRD, RBAC and Controller)

make manifests

5. Develop your code

6. Install CRDs

make install

7. Configure sample CRD

nano config/samples/api_v1alpha1_namespacechecker.yaml

apiVersion: api.component.cloudsteak.com/v1alpha1
kind: NamespaceChecker
metadata:
  name: namespacechecker-sample
spec:
  namespaces:
  - default
  configMapNames:
  - configmap-01
  configMapsNamespace: default
  secretNames:
  - secret-1
  - secret-2
  secretsNamespace: default
  deploymentNamespace: default

9. Create scaler

kubectl apply -f config/samples/api_v1alpha1_namespacechecker.yaml

10. Run the controller

make run