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cephfs/volume: fixed arguments for ceph-fuse; assume volume root and cephx user already exist

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This commit is contained in:
gman 2018-03-20 15:57:03 +01:00
parent 43c2fb8e26
commit 436bb54262
1 changed files with 4 additions and 53 deletions
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57
pkg/cephfs/volume.go
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@ -17,50 +17,17 @@ limitations under the License.
package cephfs
import (
"encoding/json"
"fmt"
"os"
"os/exec"
)
const (
// from https://github.com/kubernetes-incubator/external-storage/tree/master/ceph/cephfs/cephfs_provisioner
provisionerCmd = "/cephfs_provisioner.py"
userPrefix = "user-"
)
type volume struct {
Root string `json:"path"`
User string `json:"user"`
Key string `json:"key"`
}
func newVolume(volId *volumeIdentifier, volOpts *volumeOptions) (*volume, error) {
cmd := exec.Command(provisionerCmd, "-n", volId.id, "-u", userPrefix+volId.id)
cmd.Env = []string{
"CEPH_CLUSTER_NAME=" + volOpts.ClusterName,
"CEPH_MON=" + volOpts.Monitor,
"CEPH_AUTH_ID=" + volOpts.AdminId,
"CEPH_AUTH_KEY=" + volOpts.AdminSecret,
}
out, err := cmd.CombinedOutput()
if err != nil {
return nil, fmt.Errorf("cephfs: an error occurred while creating the volume: %v\ncephfs: %s", err, out)
}
fmt.Printf("\t\tcephfs_provisioner.py: %s\n", out)
vol := &volume{}
if err = json.Unmarshal(out, vol); err != nil {
return nil, fmt.Errorf("cephfs: malformed json output: %s", err)
}
return vol, nil
RootPath string
User string
}
func (vol *volume) mount(mountPoint string) error {
out, err := execCommand("ceph-fuse", mountPoint, "-n", vol.User, "-r", vol.Root)
out, err := execCommand("ceph-fuse", mountPoint, "-n", "client."+vol.User, "-r", vol.RootPath)
if err != nil {
return fmt.Errorf("cephfs: ceph-fuse failed with following error: %s\ncephfs: cephf-fuse output: %s", err, out)
}
@ -69,7 +36,7 @@ func (vol *volume) mount(mountPoint string) error {
}
func (vol *volume) unmount() error {
out, err := execCommand("fusermount", "-u", vol.Root)
out, err := execCommand("fusermount", "-u", vol.RootPath)
if err != nil {
return fmt.Errorf("cephfs: fusermount failed with following error: %v\ncephfs: fusermount output: %s", err, out)
}
@ -77,13 +44,6 @@ func (vol *volume) unmount() error {
return nil
}
func (vol *volume) makeMap() map[string]string {
return map[string]string{
"path": vol.Root,
"user": vol.User,
}
}
func unmountVolume(root string) error {
out, err := execCommand("fusermount", "-u", root)
if err != nil {
@ -93,15 +53,6 @@ func unmountVolume(root string) error {
return nil
}
func deleteVolume(volId, user string) error {
out, err := execCommand(provisionerCmd, "--remove", "-n", volId, "-u", user)
if err != nil {
return fmt.Errorf("cephfs: failed to delete volume %s following error: %v\ncephfs: output: %s", volId, err, out)
}
return nil
}
func createMountPoint(root string) error {
return os.MkdirAll(root, 0750)
}