kubectl 建立容器错误

[ws00310976]

版本：
[root@server ~]# docker version
Client:
Version: 1.12.6
API version: 1.24
Package version: docker-1.12.6-61.git85d7426.el7.centos.x86_64
Go version: go1.8.3
Git commit: 85d7426/1.12.6
Built: Tue Oct 24 15:40:21 2017
OS/Arch: linux/amd64

Server:
Version: 1.12.6
API version: 1.24
Package version: docker-1.12.6-61.git85d7426.el7.centos.x86_64
Go version: go1.8.3
Git commit: 85d7426/1.12.6
Built: Tue Oct 24 15:40:21 2017
OS/Arch: linux/amd64

[root@server ~]# kubectl version
Client Version: version.Info{Major:"1", Minor:"5", GitVersion:"v1.5.2", GitCommit:"269f928217957e7126dc87e6adfa82242bfe5b1e", GitTreeState:"clean", BuildDate:"2017-07-03T15:31:10Z", GoVersion:"go1.7.4", Compiler:"gc", Platform:"linux/amd64"}

测试的yaml文件
cat a.yaml
apiVersion: v1
kind: Pod
metadata:
name: hw
spec: # 当前pod内容的声明
#restartPolicy: Never
containers:
- name: hello
image: "registry.cn-beijing.aliyuncs.com/opendcp/nginx"
command: ["/bin/echo","hello”,”world"]

使用命令：
[root@server ~]# kubectl create -f /root/a.yaml
pod "hw" created
[root@server ~]# kubectl get po hw
NAME READY STATUS RESTARTS AGE
hw 0/1 CrashLoopBackOff 4 2m
[root@server ~]# kubectl describe po


[root@server ~]# vim /var/log/messages