mirror of
https://github.com/seaweedfs/seaweedfs.git
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61 lines
1.6 KiB
Go
61 lines
1.6 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, &commandVolumeMount{})
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}
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type commandVolumeMount struct {
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}
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func (c *commandVolumeMount) Name() string {
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return "volume.mount"
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}
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func (c *commandVolumeMount) Help() string {
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return `mount a volume from one volume server
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volume.mount <volume server host:port> <volume id>
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This command mounts a volume from one volume server.
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`
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}
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func (c *commandVolumeMount) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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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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ctx := context.Background()
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return mountVolume(ctx, commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
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}
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func mountVolume(ctx context.Context, grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer string) (err error) {
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return operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(ctx context.Context, volumeServerClient volume_server_pb.VolumeServerClient) error {
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_, mountErr := volumeServerClient.VolumeMount(ctx, &volume_server_pb.VolumeMountRequest{
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VolumeId: uint32(volumeId),
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})
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return mountErr
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})
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}
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