3.3.1. 创建daemonset-Kubernets合辑5-Pod控制器

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```
[root@hdss7-200 base_resource]# cat /data/k8s-yaml/base_resource/daemonset/proxy-v1.12.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: proxy-daemonset
  namespace: app
  labels:
      app: nginx
      release: stable
      partition: CRM
spec:
  selector:
    matchLabels:
      app: nginx
      release: stable
      tier: proxy
      partition: CRM
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
  template:
    metadata:
      labels:
        app: nginx
        release: stable
        tier: proxy
        partition: CRM
        version: v1.12
    spec:
      containers:
      - name: nginx-proxy
        image: harbor.od.com/public/nginx:v1.12
        ports:
        - name: http
          containerPort: 80
          hostPort: 10080
        lifecycle:
          postStart:
            exec:
              command:
                - /bin/bash
                - -c
                - "echo 'health check ok!' > /usr/share/nginx/html/health.html"
        readinessProbe: 
          initialDelaySeconds: 5
          httpGet:
            port: 80
            path: /health.html
        livenessProbe:
          initialDelaySeconds: 10
          periodSeconds: 5
          httpGet:
            port: 80
            path: /health.html

```

```
[root@hdss7-21 ~]# kubectl apply -f  http://k8s-yaml.od.com/base_resource/daemonset/proxy-v1.12.yaml --record
[root@hdss7-21 ~]# kubectl get daemonset -n app
NAME              DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE
proxy-daemonset   2         2         2       2            2           <none>          56s
```

```
[root@hdss7-21 ~]# kubectl get pod -n app -l tier=proxy -o wide
NAME                    READY   STATUS    RESTARTS   AGE     IP            NODE                NOMINATED NODE   READINESS GATES
proxy-daemonset-7stgs   1/1     Running   0          8m31s   172.7.22.9    hdss7-22.host.com   <none>           <none>
proxy-daemonset-dxgdp   1/1     Running   0          8m31s   172.7.21.10   hdss7-21.host.com   <none>           <none>
[root@hdss7-21 ~]# curl -s 10.4.7.22:10080/info  # 通过宿主机的端口访问
2020-01-22T13:15:58+00:00|172.7.22.9|nginx:v1.12
[root@hdss7-21 ~]# curl -s 10.4.7.21:10080/info
2020-01-22T13:16:05+00:00|172.7.21.10|nginx:v1.12
```

该分类下的相关小册推荐：

Kubernets合辑10-网络

Kubernetes中文教程(四)

Kubernetes合辑1-安装Kubernetes

Kubernets合辑3-kubernetes介绍

Kubernets合辑9-资源约束

Kubernets合辑7-存储

Kubernets合辑6-服务发现

Kubernets合辑11-持续集成

Kubernets合辑4-kubernetes入门

Kubernets合辑8-权限控制

Kubernetes中文教程(一)

Kubernets合辑2-部署Ingress