kubernetes

Kubernetes (ingress)

짱구는굿 2023. 10. 24. 15:20

 

ingress 활성화

 

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: echo-v1
spec:
  rules:
    - host: v1.echo.192.168.49.2.sslip.io  -> 요청이 들어면 echo-v1으로 들어간다
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: echo-v1
                port:
                  number: 3000

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: echo-v1
spec:
  replicas: 3 -> 3번의 로드 분산
  selector:
    matchLabels:
      app: echo
      tier: app
      version: v1
  template:
    metadata:
      labels:
        app: echo
        tier: app
        version: v1
    spec:
      containers:
        - name: echo
          image: qkrwo8520/echo:v1
          livenessProbe:
            httpGet:
              path: /
              port: 3000

---
apiVersion: v1
kind: Service
metadata:
  name: echo-v1
spec:
  ports:
    - port: 3000
      protocol: TCP
  selector:
    app: echo
    tier: app
    version: v1		 apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: echo-v2
spec:
  rules:
    - host: v2.echo.192.168.49.2.sslip.io
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: echo-v2
                port:
                  number: 3000

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: echo-v2
spec:
  replicas: 3
  selector:
    matchLabels:
      app: echo
      tier: app
      version: v2
  template:
    metadata:
      labels:
        app: echo
        tier: app
        version: v2
    spec:
      containers:
        - name: echo
          image: qkrwo8520/echo:v2
          livenessProbe:
            httpGet:
              path: /
              port: 3000

---
apiVersion: v1
kind: Service
metadata:
  name: echo-v2
spec:
  ports:
    - port: 3000
      protocol: TCP
  selector:
    app: echo
    tier: app
    version: v2



kubectl get ing		  


파이어폭스 접속 


새로고침을 하면 파드가 변경이 되었다


새로고침을 하면 파드가 변경이 된다
파드가 3개 이기 때문에 새로고침할때마다 3개의 파드가  로드분산이 된다

 

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx
spec:
  rules:
    - host: nginx.192.168.49.2.sslip.io
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: nginx
                port:
                  number: 80

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        - name: nignx
          image: nginx:latest

---
apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  ports:
    - port: 80
      protocol: TCP
  selector:
    app: nginx


kubectl get logs replicaset.apps/nginx-855fbdb888 -f
 3개의 파드의 로그를 확인하면 번갈아가면서 로그가 뜨는걸 알수있다