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package shell
import ( "context" "flag" "github.com/chrislusf/seaweedfs/weed/pb" "io"
"github.com/chrislusf/seaweedfs/weed/operation" "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb" "github.com/chrislusf/seaweedfs/weed/storage/needle" "google.golang.org/grpc" )
func init() { Commands = append(Commands, &commandVolumeUnmount{}) }
type commandVolumeUnmount struct { }
func (c *commandVolumeUnmount) Name() string { return "volume.unmount" }
func (c *commandVolumeUnmount) Help() string { return `unmount a volume from one volume server
volume.unmount -node <volume server host:port> -volumeId <volume id>
This command unmounts a volume from one volume server.
` }
func (c *commandVolumeUnmount) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
if err = commandEnv.confirmIsLocked(); err != nil { return }
volUnmountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError) volumeIdInt := volUnmountCommand.Int("volumeId", 0, "the volume id") nodeStr := volUnmountCommand.String("node", "", "the volume server <host>:<port>") if err = volUnmountCommand.Parse(args); err != nil { return nil }
sourceVolumeServer := pb.ServerAddress(*nodeStr)
volumeId := needle.VolumeId(*volumeIdInt)
return unmountVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
}
func unmountVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer pb.ServerAddress) (err error) { return operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error { _, unmountErr := volumeServerClient.VolumeUnmount(context.Background(), &volume_server_pb.VolumeUnmountRequest{ VolumeId: uint32(volumeId), }) return unmountErr }) }
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