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Merge pull request #79 from rootfs/rbd-nbd

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allow monitors be embedded in credential secret
This commit is contained in:
Huamin Chen
2018-09-24 08:58:09 -04:00
committed by GitHub
parent 2982fbd79f d5b7543565
commit 239f295dd1
5 changed files with 130 additions and 48 deletions
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9
pkg/rbd/rbd_attach.go
View File

@ -266,13 +266,18 @@ func attachRBDImage(volOptions *rbdVolume, userId string, credentials map[string
return "", err
}
glog.V(3).Infof("rbd: map mon %s", volOptions.Monitors)
mon, err := getMon(volOptions, credentials)
if err != nil {
return "", err
}
glog.V(5).Infof("rbd: map mon %s", mon)
key, err := getRBDKey(userId, credentials)
if err != nil {
return "", err
}
output, err = execCommand(cmdName, []string{
"map", imagePath, "--id", userId, "-m", volOptions.Monitors, "--key=" + key})
"map", imagePath, "--id", userId, "-m", mon, "--key=" + key})
if err != nil {
glog.Warningf("rbd: map error %v, rbd output: %s", err, string(output))
return "", fmt.Errorf("rbd: map failed %v, rbd output: %s", err, string(output))

157
pkg/rbd/rbd_util.go
View File

@ -46,29 +46,31 @@ const (
)
type rbdVolume struct {
VolName string `json:"volName"`
VolID string `json:"volID"`
Monitors string `json:"monitors"`
Pool string `json:"pool"`
ImageFormat string `json:"imageFormat"`
ImageFeatures string `json:"imageFeatures"`
VolSize int64 `json:"volSize"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
Mounter string `json:"mounter"`
VolName string `json:"volName"`
VolID string `json:"volID"`
Monitors string `json:"monitors"`
MonValueFromSecret string `json:"monValueFromSecret"`
Pool string `json:"pool"`
ImageFormat string `json:"imageFormat"`
ImageFeatures string `json:"imageFeatures"`
VolSize int64 `json:"volSize"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
Mounter string `json:"mounter"`
}
type rbdSnapshot struct {
SourceVolumeID string `json:"sourceVolumeID"`
VolName string `json:"volName"`
SnapName string `json:"snapName"`
SnapID string `json:"sanpID"`
Monitors string `json:"monitors"`
Pool string `json:"pool"`
CreatedAt int64 `json:"createdAt"`
SizeBytes int64 `json:"sizeBytes"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
SourceVolumeID string `json:"sourceVolumeID"`
VolName string `json:"volName"`
SnapName string `json:"snapName"`
SnapID string `json:"sanpID"`
Monitors string `json:"monitors"`
MonValueFromSecret string `json:"monValueFromSecret"`
Pool string `json:"pool"`
CreatedAt int64 `json:"createdAt"`
SizeBytes int64 `json:"sizeBytes"`
AdminId string `json:"adminId"`
UserId string `json:"userId"`
}
var (
@ -84,13 +86,32 @@ func getRBDKey(id string, credentials map[string]string) (string, error) {
return "", fmt.Errorf("RBD key for ID: %s not found", id)
}
func getMon(pOpts *rbdVolume, credentials map[string]string) (string, error) {
mon := pOpts.Monitors
if len(mon) == 0 {
// if mons are set in secret, retrieve them
if len(pOpts.MonValueFromSecret) == 0 {
// yet another sanity check
return "", fmt.Errorf("either monitors or monValueFromSecret must be set")
}
if val, ok := credentials[pOpts.MonValueFromSecret]; !ok {
return "", fmt.Errorf("mon data %s is not set in secret", pOpts.MonValueFromSecret)
} else {
mon = val
}
}
return mon, nil
}
// CreateImage creates a new ceph image with provision and volume options.
func createRBDImage(pOpts *rbdVolume, volSz int, adminId string, credentials map[string]string) error {
var output []byte
var err error
// rbd create
mon := pOpts.Monitors
mon, err := getMon(pOpts, credentials)
if err != nil {
return err
}
image := pOpts.VolName
volSzGB := fmt.Sprintf("%dG", volSz)
@ -119,7 +140,6 @@ func createRBDImage(pOpts *rbdVolume, volSz int, adminId string, credentials map
// rbdStatus checks if there is watcher on the image.
// It returns true if there is a watcher onthe image, otherwise returns false.
func rbdStatus(pOpts *rbdVolume, userId string, credentials map[string]string) (bool, string, error) {
var err error
var output string
var cmd []byte
@ -131,8 +151,13 @@ func rbdStatus(pOpts *rbdVolume, userId string, credentials map[string]string) (
return false, "", err
}
glog.V(4).Infof("rbd: status %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, userId, key)
args := []string{"status", image, "--pool", pOpts.Pool, "-m", pOpts.Monitors, "--id", userId, "--key=" + key}
mon, err := getMon(pOpts, credentials)
if err != nil {
return false, "", err
}
glog.V(4).Infof("rbd: status %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, userId, key)
args := []string{"status", image, "--pool", pOpts.Pool, "-m", mon, "--id", userId, "--key=" + key}
cmd, err = execCommand("rbd", args)
output = string(cmd)
@ -174,9 +199,13 @@ func deleteRBDImage(pOpts *rbdVolume, adminId string, credentials map[string]str
if err != nil {
return err
}
mon, err := getMon(pOpts, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: rm %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, adminId, key)
args := []string{"rm", image, "--pool", pOpts.Pool, "--id", adminId, "-m", pOpts.Monitors, "--key=" + key}
glog.V(4).Infof("rbd: rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"rm", image, "--pool", pOpts.Pool, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
if err == nil {
return nil
@ -199,7 +228,10 @@ func getRBDVolumeOptions(volOptions map[string]string) (*rbdVolume, error) {
}
rbdVol.Monitors, ok = volOptions["monitors"]
if !ok {
return nil, fmt.Errorf("Missing required parameter monitors")
// if mons are not set in options, check if they are set in secret
if rbdVol.MonValueFromSecret, ok = volOptions["monValueFromSecret"]; !ok {
return nil, fmt.Errorf("Either monitors or monValueFromSecret must be set")
}
}
rbdVol.ImageFormat, ok = volOptions["imageFormat"]
if !ok {
@ -244,7 +276,10 @@ func getRBDSnapshotOptions(snapOptions map[string]string) (*rbdSnapshot, error)
}
rbdSnap.Monitors, ok = snapOptions["monitors"]
if !ok {
return nil, fmt.Errorf("Missing required parameter monitors")
// if mons are not set in options, check if they are set in secret
if rbdSnap.MonValueFromSecret, ok = snapOptions["monValueFromSecret"]; !ok {
return nil, fmt.Errorf("Either monitors or monValueFromSecret must be set")
}
}
rbdSnap.AdminId, ok = snapOptions["adminid"]
if !ok {
@ -382,11 +417,26 @@ func getRBDSnapshotByName(snapName string) (*rbdSnapshot, error) {
return nil, fmt.Errorf("snapshot name %s does not exit in the snapshots list", snapName)
}
func getSnapMon(pOpts *rbdSnapshot, credentials map[string]string) (string, error) {
mon := pOpts.Monitors
if len(mon) == 0 {
// if mons are set in secret, retrieve them
if len(pOpts.MonValueFromSecret) == 0 {
// yet another sanity check
return "", fmt.Errorf("either monitors or monValueFromSecret must be set")
}
if val, ok := credentials[pOpts.MonValueFromSecret]; !ok {
return "", fmt.Errorf("mon data %s is not set in secret", pOpts.MonValueFromSecret)
} else {
mon = val
}
}
return mon, nil
}
func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
var output []byte
var err error
mon := pOpts.Monitors
image := pOpts.VolName
snapID := pOpts.SnapID
@ -394,7 +444,12 @@ func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap protect %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, adminId, key)
mon, err := getSnapMon(pOpts, credentials)
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap protect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "protect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -408,9 +463,12 @@ func protectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]
func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
var output []byte
var err error
mon := pOpts.Monitors
mon, err := getSnapMon(pOpts, credentials)
if err != nil {
return err
}
image := pOpts.VolName
snapID := pOpts.SnapID
@ -418,7 +476,7 @@ func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap create %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: snap create %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "create", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -432,9 +490,12 @@ func createSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
var output []byte
var err error
mon := pOpts.Monitors
mon, err := getSnapMon(pOpts, credentials)
if err != nil {
return err
}
image := pOpts.VolName
snapID := pOpts.SnapID
@ -442,7 +503,7 @@ func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[strin
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap unprotect %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: snap unprotect %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "unprotect", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -456,9 +517,12 @@ func unprotectSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[strin
func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
var output []byte
var err error
mon := pOpts.Monitors
mon, err := getSnapMon(pOpts, credentials)
if err != nil {
return err
}
image := pOpts.VolName
snapID := pOpts.SnapID
@ -466,7 +530,7 @@ func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
if err != nil {
return err
}
glog.V(4).Infof("rbd: snap rm %s using mon %s, pool %s id %s key %s", image, pOpts.Monitors, pOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: snap rm %s using mon %s, pool %s id %s key %s", image, mon, pOpts.Pool, adminId, key)
args := []string{"snap", "rm", "--pool", pOpts.Pool, "--snap", snapID, image, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)
@ -480,9 +544,12 @@ func deleteSnapshot(pOpts *rbdSnapshot, adminId string, credentials map[string]s
func restoreSnapshot(pVolOpts *rbdVolume, pSnapOpts *rbdSnapshot, adminId string, credentials map[string]string) error {
var output []byte
var err error
mon := pVolOpts.Monitors
mon, err := getMon(pVolOpts, credentials)
if err != nil {
return err
}
image := pVolOpts.VolName
snapID := pSnapOpts.SnapID
@ -490,7 +557,7 @@ func restoreSnapshot(pVolOpts *rbdVolume, pSnapOpts *rbdSnapshot, adminId string
if err != nil {
return err
}
glog.V(4).Infof("rbd: clone %s using mon %s, pool %s id %s key %s", image, pVolOpts.Monitors, pVolOpts.Pool, adminId, key)
glog.V(4).Infof("rbd: clone %s using mon %s, pool %s id %s key %s", image, mon, pVolOpts.Pool, adminId, key)
args := []string{"clone", pSnapOpts.Pool + "/" + pSnapOpts.VolName + "@" + snapID, pVolOpts.Pool + "/" + image, "--id", adminId, "-m", mon, "--key=" + key}
output, err = execCommand("rbd", args)