kubectl 명령어 공부

 

pod의 특정 shell에 접근

kubectl exec -it <pod의 name> -- /bin/bash

kubeclt exec -it <pod name> -- bash


-- ex
kubectl exec -it <pod name> -- redis-cli

nginx 컨트롤러의 파드의 shell의 접근

 kubectl get pods -n ingress-nginx // 으로 이름 확인후

kubectl -n ingress-nginx exec -it ingress-nginx-controller-zd5hr /bin/bash

 

 

인그레스 상세

kubectl describe ingress mark-lim-helloapp​

아래와 같이 인그레스 설정시

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: mark-lim-helloapp
  labels:
    app: mark-lim-helloapp
  annotations:
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
    nginx.org/proxy-connect-timeout: "300s"
    nginx.org/proxy-read-timeout: "300s"
    nginx.ingress.kubernetes.io/configuration-snippet: |
      if ($scheme = https) {
        add_header  Strict-Transport-Security "max-age=0;";
      }
spec:
  tls:
    - hosts:
        - foo.bar.com
  rules:
    - host: foo.bar.com
      http:
        paths:
          - path: /
            backend:
              serviceName: mark-lim-helloapp
              servicePort: 8080

 

 

인그레스에 설정된 호스트와 패스 백엔드를 볼수 있다.

Name:             mark-lim-helloapp
Namespace:        default
Address:          10.202.106.73
Default backend:  default-http-backend:80 (<error: endpoints "default-http-backend" not found>)

Rules:
  Host                       Path  Backends
  ----                       ----  --------
  foo.bar.com  
                             /   mark-lim-helloapp:8080 (10.240.0.165:8080,10.240.0.189:8080,10.240.0.249:8080)
Annotations:                 nginx.ingress.kubernetes.io/configuration-snippet:
                               if ($scheme = https) {
                                 add_header  Strict-Transport-Security "max-age=0;";
                               }
                             nginx.ingress.kubernetes.io/ssl-redirect: false
                             nginx.org/proxy-connect-timeout: 300s
                             nginx.org/proxy-read-timeout: 300s

 

 

 

pod의 로그 확인

kubectl logs -f <pod name>