mirror of
https://github.com/seaweedfs/seaweedfs.git
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64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
package shell
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import (
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"context"
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"fmt"
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"io"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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"google.golang.org/grpc"
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)
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func init() {
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Commands = append(Commands, &commandVolumeUnmount{})
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}
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type commandVolumeUnmount struct {
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}
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func (c *commandVolumeUnmount) Name() string {
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return "volume.unmount"
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}
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func (c *commandVolumeUnmount) Help() string {
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return `unmount a volume from one volume server
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volume.unmount <volume server host:port> <volume id>
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This command unmounts a volume from one volume server.
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`
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}
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func (c *commandVolumeUnmount) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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if err = commandEnv.confirmIsLocked(); err != nil {
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return
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}
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if len(args) != 2 {
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fmt.Fprintf(writer, "received args: %+v\n", args)
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return fmt.Errorf("need 2 args of <volume server host:port> <volume id>")
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}
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sourceVolumeServer, volumeIdString := args[0], args[1]
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volumeId, err := needle.NewVolumeId(volumeIdString)
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if err != nil {
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return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
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}
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return unmountVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
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}
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func unmountVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer string) (err error) {
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return operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
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_, unmountErr := volumeServerClient.VolumeUnmount(context.Background(), &volume_server_pb.VolumeUnmountRequest{
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VolumeId: uint32(volumeId),
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})
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return unmountErr
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})
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}
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