csi-cephfs-plugin

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

1.2. 编译Docker镜像

$ make image-cephfsplugin

2. 配置项

2.1. 命令行参数

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.

2.2. volume参数

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

2.3. provisionVolume

2.3.1. 管理员密钥认证

当provisionVolume=true时，必要的管理员认证参数如下：

• adminID: ID of an admin client

• adminKey: key of the admin client

2.3.2. 普通用户密钥认证

当provisionVolume=false时，必要的用户认证参数如下：

• userID: ID of a user client

• userKey: key of a user client

参考文章：

• https://github.com/ceph/ceph-csi/blob/master/docs/deploy-cephfs.md