3.8　安装

前面介绍了那么多知识点，最后我们来实际安装一下。

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[root@iZ8vb0qditk1qw27yu4k5nZ ~]# helm install wordpress/ --name wordpress
NAME:   wordpress
LAST DEPLOYED: Mon Sep 16 21:53:45 2019
NAMESPACE: default
STATUS: DEPLOYED

RESOURCES:
==> v1/ConfigMap
NAME                     DATA  AGE
wordpress-mariadb        1     0s
wordpress-mariadb-tests  1     0s

==> v1/Deployment
NAME                 READY  UP-TO-DATE  AVAILABLE  AGE
wordpress-wordpress  0/1    1           0          0s

==> v1/PersistentVolumeClaim
NAME                 STATUS   VOLUME  CAPACITY  ACCESS MODES  STORAGECLASS  AGE
wordpress-wordpress  Pending  0s

==> v1/Pod(related)
NAME                                  READY  STATUS   RESTARTS  AGE
wordpress-mariadb-0                   0/1    Pending  0         0s
wordpress-wordpress-7f7b79b977-dtjf7  0/1    Pending  0         0s

==> v1/Secret
NAME                 TYPE    DATA  AGE
wordpress-mariadb    Opaque  2     0s
wordpress-wordpress  Opaque  1     0s

==> v1/Service
NAME                 TYPE          CLUSTER-IP     EXTERNAL-IP  
PORT(S)                     AGE
wordpress-mariadb    ClusterIP     172.26.5.92    <none>       
3306/TCP                    0s
wordpress-wordpress  LoadBalancer  172.26.14.199  <pending>    
80:31571/TCP,443:32659/TCP  0s

==> v1beta1/StatefulSet
NAME               READY  AGE
wordpress-mariadb  0/1    0s


NOTES:
1. Get the WordPress URL:

  NOTE: It may take a few minutes for the LoadBalancer IP to be available.
        Watch the status with: 'kubectl get svc --namespace default -w wordpress-wordpress'
  export SERVICE_IP=$(kubectl get svc --namespace default wordpress-wordpress --template "{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}")
  echo "WordPress URL: http://$SERVICE_IP/"
  echo "WordPress Admin URL: http://$SERVICE_IP/admin"

2. Login with the following credentials to see your blog

  echo Username: user
  echo Password: $(kubectl get secret --namespace default wordpress-wordpress -o jsonpath="{.data.wordpress-password}" | base64 --decode)

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可以看到，安装命令返回了如何访问Wordpress的信息，我们获取一下对应的svc访问IP。

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[root@iZ8vb0qditk1qw27yu4k5nZ ~]# kubectl get svc --namespace default -w wordpress-wordpress
NAME                  TYPE           CLUSTER-IP      EXTERNAL-IP   PORT(S)                      AGE
wordpress-wordpress   LoadBalancer   172.26.14.168   39.98.21.16   80:31376/TCP,443:32570/TCP   111s172.26.14.199   39.100.178.126   80:31571/TCP,443:32659/TCP   74s

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同时获取默认的用户名和密码。

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[root@iZ8vb0qditk1qw27yu4k5nZ ~]# kubectl get secret --namespace default wordpress-wordpress -o jsonpath="{.data.wordpress-password}" | base64 --decode
1Ria5Wdaxd

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可以看到目前两个pod都已经RUNNING，我们同时运行一下测试用例。

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[root@iZ8vb0qditk1qw27yu4k5nZ ~]# kubectl get pods
NAME                                   READY   STATUS    RESTARTS   AGE
wordpress-mariadb-0                    1/1     Running   0          104s
wordpress-wordpress-7f7b79b977-sc6sq   1/1     Running   0          104s

[root@iZ8vb0qditk1qw27yu4k5nZ tests]# helm test wordpress
RUNNING: wordpress-mariadb-test-ouh72
PASSED: wordpress-mariadb-test-ouh72
RUNNING: wordpress-credentials-test
PASSED: wordpress-credentials-test

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测试用例运行成功，最后我们访问一下页面，效果如图3-1～图3-3所示。