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Delete volumes online without restarting volume server

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This commit is contained in:
brstgt 2017-01-20 13:02:37 +01:00
parent 492f93416d
commit e074a54a20
5 changed files with 65 additions and 34 deletions
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1
weed/server/volume_server.go
View file

@ -60,6 +60,7 @@ func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
adminMux.HandleFunc("/admin/sync/data", vs.guard.WhiteList(vs.getVolumeDataContentHandler))
adminMux.HandleFunc("/admin/volume/mount", vs.guard.WhiteList(vs.getVolumeMountHandler))
adminMux.HandleFunc("/admin/volume/unmount", vs.guard.WhiteList(vs.getVolumeUnmountHandler))
adminMux.HandleFunc("/admin/volume/delete", vs.guard.WhiteList(vs.getVolumeDeleteHandler))
adminMux.HandleFunc("/stats/counter", vs.guard.WhiteList(statsCounterHandler))
adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))
adminMux.HandleFunc("/stats/disk", vs.guard.WhiteList(vs.statsDiskHandler))

44
weed/server/volume_server_handlers_admin.go
View file

@ -1,6 +1,7 @@
package weed_server
import (
"fmt"
"net/http"
"path/filepath"
"strconv"
@ -8,6 +9,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/storage"
)
func (vs *VolumeServer) statusHandler(w http.ResponseWriter, r *http.Request) {
@ -65,3 +67,45 @@ func (vs *VolumeServer) statsDiskHandler(w http.ResponseWriter, r *http.Request)
m["DiskStatuses"] = ds
writeJsonQuiet(w, r, http.StatusOK, m)
}
func (vs *VolumeServer) getVolume(volumeParameterName string, r *http.Request) (*storage.Volume, error) {
vid, err := vs.getVolumeId(volumeParameterName, r)
if err != nil {
return nil, err
}
v := vs.store.GetVolume(vid)
if v == nil {
return nil, fmt.Errorf("Not Found Volume Id %d", vid)
}
return v, nil
}
func (vs *VolumeServer) getVolumeMountHandler(w http.ResponseWriter, r *http.Request) {
vid, err := vs.getVolumeId("volume", r)
if err != nil {
writeJsonError(w, r, http.StatusNotFound, err)
return
}
vs.store.MountVolume(vid)
writeJsonQuiet(w, r, http.StatusOK, "Volume mounted")
}
func (vs *VolumeServer) getVolumeUnmountHandler(w http.ResponseWriter, r *http.Request) {
vid, err := vs.getVolumeId("volume", r)
if err != nil {
writeJsonError(w, r, http.StatusNotFound, err)
return
}
vs.store.UnmountVolume(vid)
writeJsonQuiet(w, r, http.StatusOK, "Volume unmounted")
}
func (vs *VolumeServer) getVolumeDeleteHandler(w http.ResponseWriter, r *http.Request) {
vid, err := vs.getVolumeId("volume", r)
if err != nil {
writeJsonError(w, r, http.StatusNotFound, err)
return
}
vs.store.DeleteVolume(vid)
writeJsonQuiet(w, r, http.StatusOK, "Volume deleted")
}

32
weed/server/volume_server_handlers_sync.go
View file

@ -84,35 +84,3 @@ func (vs *VolumeServer) getVolumeId(volumeParameterName string, r *http.Request)
return vid, err
}
func (vs *VolumeServer) getVolume(volumeParameterName string, r *http.Request) (*storage.Volume, error) {
vid, err := vs.getVolumeId(volumeParameterName, r)
if err != nil {
return nil, err
}
v := vs.store.GetVolume(vid)
if v == nil {
return nil, fmt.Errorf("Not Found Volume Id %d", vid)
}
return v, nil
}
func (vs *VolumeServer) getVolumeMountHandler(w http.ResponseWriter, r *http.Request) {
vid, err := vs.getVolumeId("volume", r)
if err != nil {
writeJsonError(w, r, http.StatusNotFound, err)
return
}
vs.store.MountVolume(vid)
writeJsonQuiet(w, r, http.StatusOK, "Volume mounted")
}
func (vs *VolumeServer) getVolumeUnmountHandler(w http.ResponseWriter, r *http.Request) {
vid, err := vs.getVolumeId("volume", r)
if err != nil {
writeJsonError(w, r, http.StatusNotFound, err)
return
}
vs.store.UnmountVolume(vid)
writeJsonQuiet(w, r, http.StatusOK, "Volume unmounted")
}

10
weed/storage/disk_location.go
View file

@ -152,7 +152,15 @@ func (l *DiskLocation) LoadVolume(vid VolumeId, needleMapKind NeedleMapType) boo
return false
}
func (l *DiskLocation) UnloadVolume(vid VolumeId) (e error) {
func (l *DiskLocation) DeleteVolume(vid VolumeId) (error) {
_, ok := l.volumes[vid]
if !ok {
return fmt.Errorf("Volume not found, VolumeId: %d", vid)
}
return l.deleteVolumeById(vid)
}
func (l *DiskLocation) UnloadVolume(vid VolumeId) (error) {
_, ok := l.volumes[vid]
if !ok {
return fmt.Errorf("Volume not loaded, VolumeId: %d", vid)

10
weed/storage/store.go
View file

@ -338,3 +338,13 @@ func (s *Store) UnmountVolume(i VolumeId) error {
return fmt.Errorf("Volume %d not found on disk", i)
}
func (s *Store) DeleteVolume(i VolumeId) error {
for _, location := range s.Locations {
if error := location.deleteVolumeById(i); error == nil {
s.updateMaster()
return nil
}
}
return fmt.Errorf("Volume %d not found on disk", i)
}