k8 service commands and config

k8-service

=================== M6-03
### Wrapping the hello-rc Replication Controller in a Service - the iterative way

$ kubectl expose rc hello-rc --name=hello.svc --target-port=800 --type=NodePort

$ kubectl describe svc hello-svc


=================== M6-04
### Wrapping the hello-rc Replication Controller in a Service - the iterative way

### The following commands get the current list of Services and then delete the Service called "hello-svc"
$ kubectl get svc
$ kubectl delete svc hello-svc

### The following commands list the "app" label attached to all running Pods and then print the contents of the "svc.yml" manifest file to the screen
$ kubectl describe pods | grep app
$ cat svc.yml

### The following command deploys a new Service from the "svc.yml". The YAML file is shown at the bottom of this document
$ kubectl create -f svc.yml

### The following commands list all running Services and then describe the Service called "hello-svc"
$ kubectl get svc
$ kubectl describe svc hello-svc				

### The following commands list all Endpoint objects on the cluster and then describes the Endpoint object called "hello-svc"
kubectl get ep
kubectl describe ep hello-svc

### The following is the "svc.yml" file used in the module
apiVersion: v1
kind: Service
metadata:
  name: hello-svc
  labels:
    app: hello-world
spec:
  type: NodePort
  ports:
  - port: 8080
    nodePort: 30001
    protocol: TCP
  selector:
    app: hello-world