쿠버네티스 레이블, 셀렉터

1. gedit http-go-pod-v2.yaml
2. 내용 추가

apiVersion: v1
kind: pod
metadata:
  name: http-go
  labels:
  	creation_method: manual
    enc: prod
spec:
  containers:
  - name: http-go
    image: gasbugs/http-go
    ports:
    - containerPort: 8080
      protocol: TCP

3. kubectl create -f http-go-pod-v2.yaml
4. kubectl get pod
5. kubectl get pod --show-labels
6. cp http-go-pod-v2.yaml http-go-pod-v3.yaml
7. kubectl create -f http-go-pod-v3.yaml
8. 내용추가

apiVersion: v1
kind: pod
metadata:
  name: http-go-v3
  labels:
  	creation_method: manual-v3
spec:
  containers:
  - name: http-go
    image: gasbugs/http-go
    ports:
    - containerPort: 8080
      protocol: TCP

9. kubectl create -f http-go-pod-v3.yaml
10. kubectl get pod -L (env, creation_method) 필요한거만 검색가능
11. kubectl label pod NAME key=value 로 추가가능
12. kubectl label pod NAME 변경할key=value --overwrite 로 변경가능
13. kubectl label pod NAME key- 삭제가능
14. kubectl get pod -l '!env' !사용시 '' 반드시 추가
15. kubectl get pod -l 'env=value' value가 있는거만 가져올수있음
16. kubectl get pod -l 'env=value, creation_method=value' 여러개 가능