Custom Kubernetes controller for CRD. It is a simplified deployment controller.
Define CRD:
kubectl create -f ./yaml/crd-customdeployment.yaml
Create custom deployment:
kubectl create -f ./yaml/customdeployment.yaml
Run controller:
go run main.go
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
name: customdeployments.crd.emruz.com
spec:
group: crd.emruz.com
version: v1alpha1
scope: Namespaced
names:
plural: customdeployments
singular: customdeployments
kind: CustomDeployment
shortNames:
- csdapiVersion: "crd.emruz.com/v1alpha1"
kind: CustomDeployment
metadata:
name: my-customdeployment
spec:
replicas: 7
selector:
matchLabels:
app: my-app
template:
metadata:
labels:
app: my-app
spec:
containers:
- name: webcalculator
image: emruzhossain/webcalculator:latest
ports:
- name: container-port
containerPort: 9000
protocol: TCP