Kubernetes Nodel 선택하기
Node 선택하기
Node를 선택하여 POD 배포하기.
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: null
labels:
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
resources: {}
dnsPolicy: ClusterFirst
restartPolicy: Always
nodeName: dev-node01
status: {}
위 내역은 nodeName: dev-node01 를 통해서 dev-node01 에 위 pod 를 생성한다.
Selector 로 실행중인 노드 검색하기.
env=dev 라는 레이블된 노드 찾기.
kubectl get pods --selector env=dev
or
kubectl get pods -l env=dev
NAME READY STATUS RESTARTS AGE
app-1-hjf6l 1/1 Running 0 73s
app-1-j8j6t 1/1 Running 0 73s
app-1-xt5rj 1/1 Running 0 73s
db-1-2rwp6 1/1 Running 0 73s
db-1-5nj26 1/1 Running 0 73s
db-1-t4xjs 1/1 Running 0 73s
db-1-vd744 1/1 Running 0 73s
pod 갯수찾기.
kubectl get pods -l env=dev --no-headers | wc -l
env=prod 인 전체 Object 조회
kubectl get all --selector env=prod
NAME READY STATUS RESTARTS AGE
pod/app-1-zzxdf 1/1 Running 0 4m17s
pod/app-2-r67m2 1/1 Running 0 4m18s
pod/auth 1/1 Running 0 4m17s
pod/db-2-2zgtl 1/1 Running 0 4m17s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/app-1 ClusterIP 10.102.76.183 <none> 3306/TCP 4m17s
NAME DESIRED CURRENT READY AGE
replicaset.apps/app-2 1 1 1 4m18s
replicaset.apps/db-2 1 1 1 4m17s
복수개의 레이블된 pod 객체 조회
kubectl get pod --selector env=prod,team=settle,tier=backend
NAME READY STATUS RESTARTS AGE
app-1-zzxdf 1/1 Running 0 7m24s