cephfs: add subvolume struct and getSubvolumeInfo calls

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal 2020-08-04 09:51:31 +05:30 committed by mergify[bot]
parent 31e9288f8f
commit 1f4839cb5e

View File

@ -40,6 +40,19 @@ const (
cephEntityClientPrefix = "client."
)
// Subvolume holds subvolume information.
type Subvolume struct {
BytesQuota int `json:"bytes_quota"`
DataPool string `json:"data_pool"`
GID int `json:"gid"`
Mode int `json:"mode"`
MonAddrs []string `json:"mon_addrs"`
Path string `json:"path"`
PoolNamespace string `json:"pool_namespace"`
Type string `json:"type"`
UID int `json:"uid"`
}
func getVolumeRootPathCephDeprecated(volID volumeID) string {
return path.Join("/", "csi-volumes", string(volID))
}
@ -72,6 +85,38 @@ func getVolumeRootPathCeph(ctx context.Context, volOptions *volumeOptions, cr *u
return strings.TrimSuffix(stdout, "\n"), nil
}
func getSubVolumeInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Credentials, volID volumeID) (Subvolume, error) {
info := Subvolume{}
err := execCommandJSON(
ctx,
&info,
"ceph",
"fs",
"subvolume",
"info",
volOptions.FsName,
string(volID),
"--group_name",
volOptions.SubvolumeGroup,
"-m", volOptions.Monitors,
"-c", util.CephConfigPath,
"-n", cephEntityClientPrefix+cr.ID,
"--keyfile="+cr.KeyFile)
if err != nil {
klog.Errorf(util.Log(ctx, "failed to get subvolume info for the vol %s(%s)"), string(volID), err)
if strings.HasPrefix(err.Error(), ErrVolumeNotFound.Error()) {
return info, ErrVolumeNotFound
}
// Incase the error is other than invalid command return error to the caller.
if !strings.Contains(err.Error(), ErrInvalidCommand.Error()) {
return info, ErrInvalidCommand
}
return info, err
}
return info, nil
}
type localClusterState struct {
// set true if cluster supports resize functionality.
resizeSupported bool