# k8s基本使用

# 介绍

[TOC]

主机配置:

主机名 IP地址
master 192.168.153.130
node1 192.168.153.131
node2 192.168.153.132

系统:CentOS7

docker版本:19.03.5

k8s版本:1.18.0

1. nginx配置

  • nginx.yaml
apiVersion: v1
kind: Service
metadata:
  name: nginx
  namespace: default
spec:
  selector:
    app: nginx
  ports:
  - port: 80
    targetPort: 80
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.7.9
        ports:
        - containerPort: 80
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  • 发布nginx
kubectl apply -f nginx.yaml
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  • ingress-nginx
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: nginx
  namespace: default
  labels:
    app: nginx
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
  - host: server01
    http:
      paths:
        - path: /
          backend:
            serviceName: nginx
            servicePort: 80
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  • 发布ingress-nginx
kubectl apply -f ingress-nginx.yaml
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查看ingress-nginx映射端口

kubectl get svc -n ingress-nginx
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NAME            TYPE       CLUSTER-IP    EXTERNAL-IP   PORT(S)                      AGE
ingress-nginx   NodePort   10.10.98.50   <none>        80:30162/TCP,443:30443/TCP   36m
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访问nginx

http://server01:30162/
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