[英]Kubernetes pod not binding volumes to container
我已经定义了以下ReplicationController JSON:
{
"id": "PHPController",
"kind": "ReplicationController",
"apiVersion": "v1beta1",
"desiredState": {
"replicas": 2,
"replicaSelector": {"name": "php"},
"podTemplate": {
"desiredState": {
"manifest": {
"version": "v1beta1",
"id": "PHPController",
"volumes": [{ "name": "wordpress", "path": "/mnt/nfs/wordpress_a", "hostDir": "/mnt/nfs/wordpress_a"}],
"containers": [{
"name": "php",
"image": "internaluser/php53",
"ports": [{"containerPort": 80, "hostPort": 9021}],
"volumeMounts": [{"name": "wordpress", "mountPath": "/mnt/nfs/wordpress_a"}]
}]
}
},
"labels": {"name": "php"}
}},
"labels": {"name": "php"}
}
使用“ docker run -t -i -p 0.0.0.0:9021:80 -v / mnt / nfs / wordpress_a:/ mnt / nfs / wordpress_a:rw internaluser / php53”运行时,容器可以正确启动。
/ mnt / nfs / wordpress_a是NFS共享,安装在所有奴才上。 每个小兵都有完整的RW访问权限,我已经验证了该共享是否存在。
在使用Replication Controller创建pod容器之后,我可以看到该卷从未真正绑定和/或错误安装:
"Volumes": {
"/mnt/nfs/wordpress_a": "/var/lib/docker/vfs/dir/8b5dc8477958f5c1b894e68ab9412b41e81a34ef16dac81f0f9d4884352a90b7"
},
"VolumesRW": {
"/mnt/nfs/wordpress_a": true
}
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": null,
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "9021"
}
]
},
我发现容器认为/ mnt / nfs / wordpress_a映射到“ / var / lib / docker / vfs / dir / 8b5dc8477958f5c1b894e68ab9412b41e81a34ef16dac81f0f9d4884352a90b7”感到奇怪。
从kubelet日志中:
所需的[10.101.4.15]:[{名称空间:etcd名称:c823da9e-4437-11e4-a3b1-0050568421eb清单:{版本:v1beta1 ID:c823da9e-4437-11e4-a3b1-0050568421eb UUID:c823da9e-4437-11e4-a3b1- 0050568421eb卷:[{名称:wordpress来源:}]容器:[{名称:php图像:internaluser / php53命令:[] WorkingDir:端口:[{名称:HostPort:9021 ContainerPort:80协议:TCP HostIP:}] Env :[{{名称:SERVICE_HOST值:10.1.1.1}]内存:0 CPU:0 VolumeMounts:[{名称:wordpress ReadOnly:false MountPath:/ mnt / nfs / wordpress_a}] LivenessProbe:生命周期:Privileged:false}] RestartPolicy: {Always:0xa99a20 OnFailure:从不:}}}]
有人对这种事情有经验吗? 我一直在疯狂地排除故障。 谢谢!
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