kubebuilder init --domain cncamp.io

cat PROJECT

domain: cncamp.io
layout:
- go.kubebuilder.io/v3
projectName: mysts
repo: github.com/www6v/demo-operator
version: "3"

kubebuilder create api --group apps --version v1beta1 --kind MyDaemonset

// MyDaemonsetSpec defines the desired state of MyDaemonset
type MyDaemonsetSpec struct {
	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
	// Important: Run "make" to regenerate code after modifying this file

	// Foo is an example field of MyDaemonset. Edit mydaemonset_types.go to remove/update
	Image string `json:"image,omitempty"`
}

// MyDaemonsetStatus defines the observed state of MyDaemonset
type MyDaemonsetStatus struct {
	AvaiableReplicas int `json:"avaiableReplicas,omitempty"`
	// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster
	// Important: Run "make" to regenerate code after modifying this file
}

Build targets:
    ### create code skeletion
    manifests: generate crd
    generate: generate api functions, like deepCopy

    ### generate crd and install
    run: Run a controller from your host.
    install: Install CRDs into the K8s cluster specified in ~/.kube/config.

    ### docker build and deploy
    docker-build: Build docker image with the manager.
    docker-push: Push docker image with the manager.
    deploy: Deploy controller to the K8s cluster specified in ~/.kube/config.

//+kubebuilder:rbac:groups=apps.cncamp.io,resources=mydaemonsets/finalizers,verbs=update
// Add the following
//+kubebuilder:rbac:groups=core,resources=nodes,verbs=get;list;watch
//+kubebuilder:rbac:groups=core,resources=pods,verbs=get;list;watch;create;update;patch;delete

make manifests

make build
make docker-build
make docker-push
make deploy

kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.6.1/cert-manager.yaml

kubebuilder create webhook --group apps --version v1beta1 --kind MyDaemonset --defaulting --programmatic-validation