1. 编译CSI CephFS plugin

CSI CephFS plugin用来提供CephFS存储卷和挂载存储卷，源码参考：https://github.com/ceph/ceph-csi 。

1.1. 编译二进制

$ make cephfsplugin

$ make image-cephfsplugin

Option	Default value	Description
`--endpoint`	`unix://tmp/csi.sock`	CSI endpoint, must be a UNIX socket
`--drivername`	`csi-cephfsplugin`	name of the driver (Kubernetes: `provisioner` field in StorageClass must correspond to this value)
`--nodeid`	empty	This node’s ID
`--volumemounter`	empty	default volume mounter. Available options are `kernel` and `fuse`. This is the mount method used if volume parameters don’t specify otherwise. If left unspecified, the driver will first probe for `ceph-fuse` in system’s path and will choose Ceph kernel client if probing failed.

Parameter	Required	Description
`monitors`	yes	Comma separated list of Ceph monitors (e.g. `192.168.100.1:6789,192.168.100.2:6789,192.168.100.3:6789`)
`mounter`	no	Mount method to be used for this volume. Available options are `kernel` for Ceph kernel client and `fuse` for Ceph FUSE driver. Defaults to “default mounter”, see command line arguments.
`provisionVolume`	yes	Mode of operation. BOOL value. If `true`, a new CephFS volume will be provisioned. If `false`, an existing CephFS will be used.
`pool`	for `provisionVolume=true`	Ceph pool into which the volume shall be created
`rootPath`	for `provisionVolume=false`	Root path of an existing CephFS volume
`csiProvisionerSecretName`, `csiNodeStageSecretName`	for Kubernetes	name of the Kubernetes Secret object containing Ceph client credentials. Both parameters should have the same value
`csiProvisionerSecretNamespace`, `csiNodeStageSecretNamespace`	for Kubernetes	namespaces of the above Secret objects

当provisionVolume=true时，必要的管理员认证参数如下：

当provisionVolume=false时，必要的用户认证参数如下：

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