shell: move volume operations to use flag parsing arguments

weed/shell/command_volume_configure_replication.go

@@ -28,7 +28,7 @@ func (c *commandVolumeConfigureReplication) Name() string {
 func (c *commandVolumeConfigureReplication) Help() string {
 	return `change volume replication value
 
-	This command changes a volume replication value. It should be followed by volume.fix.replication.
+	This command changes a volume replication value. It should be followed by "volume.fix.replication".
 
 `
 }

weed/shell/command_volume_copy.go

@@ -1,6 +1,7 @@
 package shell
 
 import (
+	"flag"
 	"fmt"
 	"io"
 
@@ -21,7 +22,7 @@ func (c *commandVolumeCopy) Name() string {
 func (c *commandVolumeCopy) Help() string {
 	return `copy a volume from one volume server to another volume server
 
-	volume.copy <source volume server host:port> <target volume server host:port> <volume id>
+	volume.copy -source <source volume server host:port> -target <target volume server host:port> -volumeId <volume id>
 
 	This command copies a volume from one volume server to another volume server.
 	Usually you will want to unmount the volume first before copying.
@@ -35,16 +36,17 @@ func (c *commandVolumeCopy) Do(args []string, commandEnv *CommandEnv, writer io.
 		return
 	}
 
-	if len(args) != 3 {
-		fmt.Fprintf(writer, "received args: %+v\n", args)
-		return fmt.Errorf("need 3 args of <source volume server host:port> <target volume server host:port> <volume id>")
+	volCopyCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	volumeIdInt := volCopyCommand.Int("volumeId", 0, "the volume id")
+	sourceNodeStr := volCopyCommand.String("source", "", "the source volume server <host>:<port>")
+	targetNodeStr := volCopyCommand.String("target", "", "the target volume server <host>:<port>")
+	if err = volCopyCommand.Parse(args); err != nil {
+		return nil
 	}
-	sourceVolumeServer, targetVolumeServer, volumeIdString := args[0], args[1], args[2]
 
-	volumeId, err := needle.NewVolumeId(volumeIdString)
-	if err != nil {
-		return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
-	}
+	sourceVolumeServer, targetVolumeServer := *sourceNodeStr, *targetNodeStr
+
+	volumeId := needle.VolumeId(*volumeIdInt)
 
 	if sourceVolumeServer == targetVolumeServer {
 		return fmt.Errorf("source and target volume servers are the same!")

weed/shell/command_volume_delete.go

@@ -1,7 +1,7 @@
 package shell
 
 import (
-	"fmt"
+	"flag"
 	"io"
 
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
@@ -21,7 +21,7 @@ func (c *commandVolumeDelete) Name() string {
 func (c *commandVolumeDelete) Help() string {
 	return `delete a live volume from one volume server
 
-	volume.delete <volume server host:port> <volume id>
+	volume.delete -node <volume server host:port> -volumeId <volume id>
 
 	This command deletes a volume from one volume server.
 
@@ -34,16 +34,16 @@ func (c *commandVolumeDelete) Do(args []string, commandEnv *CommandEnv, writer i
 		return
 	}
 
-	if len(args) != 2 {
-		fmt.Fprintf(writer, "received args: %+v\n", args)
-		return fmt.Errorf("need 2 args of <volume server host:port> <volume id>")
+	volDeleteCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	volumeIdInt := volDeleteCommand.Int("volumeId", 0, "the volume id")
+	nodeStr := volDeleteCommand.String("node", "", "the volume server <host>:<port>")
+	if err = volDeleteCommand.Parse(args); err != nil {
+		return nil
 	}
-	sourceVolumeServer, volumeIdString := args[0], args[1]
 
-	volumeId, err := needle.NewVolumeId(volumeIdString)
-	if err != nil {
-		return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
-	}
+	sourceVolumeServer := *nodeStr
+
+	volumeId := needle.VolumeId(*volumeIdInt)
 
 	return deleteVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
 

weed/shell/command_volume_fix_replication.go

@@ -2,6 +2,7 @@ package shell
 
 import (
 	"context"
+	"flag"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"io"
@@ -50,11 +51,14 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
 		return
 	}
 
-	takeAction := true
-	if len(args) > 0 && args[0] == "-n" {
-		takeAction = false
+	volFixReplicationCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	skipChange := volFixReplicationCommand.Bool("n", false, "skip the changes")
+	if err = volFixReplicationCommand.Parse(args); err != nil {
+		return nil
 	}
 
+	takeAction := !*skipChange
+
 	var resp *master_pb.VolumeListResponse
 	err = commandEnv.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
 		resp, err = client.VolumeList(context.Background(), &master_pb.VolumeListRequest{})

weed/shell/command_volume_mount.go

@@ -2,7 +2,7 @@ package shell
 
 import (
 	"context"
-	"fmt"
+	"flag"
 	"io"
 
 	"github.com/chrislusf/seaweedfs/weed/operation"
@@ -25,7 +25,7 @@ func (c *commandVolumeMount) Name() string {
 func (c *commandVolumeMount) Help() string {
 	return `mount a volume from one volume server
 
-	volume.mount <volume server host:port> <volume id>
+	volume.mount -node <volume server host:port> -volumeId <volume id>
 
 	This command mounts a volume from one volume server.
 
@@ -38,16 +38,16 @@ func (c *commandVolumeMount) Do(args []string, commandEnv *CommandEnv, writer io
 		return
 	}
 
-	if len(args) != 2 {
-		fmt.Fprintf(writer, "received args: %+v\n", args)
-		return fmt.Errorf("need 2 args of <volume server host:port> <volume id>")
+	volMountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	volumeIdInt := volMountCommand.Int("volumeId", 0, "the volume id")
+	nodeStr := volMountCommand.String("node", "", "the volume server <host>:<port>")
+	if err = volMountCommand.Parse(args); err != nil {
+		return nil
 	}
-	sourceVolumeServer, volumeIdString := args[0], args[1]
 
-	volumeId, err := needle.NewVolumeId(volumeIdString)
-	if err != nil {
-		return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
-	}
+	sourceVolumeServer := *nodeStr
+
+	volumeId := needle.VolumeId(*volumeIdInt)
 
 	return mountVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)
 

weed/shell/command_volume_move.go

@@ -2,6 +2,7 @@ package shell
 
 import (
 	"context"
+	"flag"
 	"fmt"
 	"io"
 	"log"
@@ -27,7 +28,7 @@ func (c *commandVolumeMove) Name() string {
 func (c *commandVolumeMove) Help() string {
 	return `move a live volume from one volume server to another volume server
 
-	volume.move <source volume server host:port> <target volume server host:port> <volume id>
+	volume.move -source <source volume server host:port> -target <target volume server host:port> -volumeId <volume id>
 
 	This command move a live volume from one volume server to another volume server. Here are the steps:
 
@@ -48,16 +49,17 @@ func (c *commandVolumeMove) Do(args []string, commandEnv *CommandEnv, writer io.
 		return
 	}
 
-	if len(args) != 3 {
-		fmt.Fprintf(writer, "received args: %+v\n", args)
-		return fmt.Errorf("need 3 args of <source volume server host:port> <target volume server host:port> <volume id>")
+	volMoveCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	volumeIdInt := volMoveCommand.Int("volumeId", 0, "the volume id")
+	sourceNodeStr := volMoveCommand.String("source", "", "the source volume server <host>:<port>")
+	targetNodeStr := volMoveCommand.String("target", "", "the target volume server <host>:<port>")
+	if err = volMoveCommand.Parse(args); err != nil {
+		return nil
 	}
-	sourceVolumeServer, targetVolumeServer, volumeIdString := args[0], args[1], args[2]
 
-	volumeId, err := needle.NewVolumeId(volumeIdString)
-	if err != nil {
-		return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
-	}
+	sourceVolumeServer, targetVolumeServer := *sourceNodeStr, *targetNodeStr
+
+	volumeId := needle.VolumeId(*volumeIdInt)
 
 	if sourceVolumeServer == targetVolumeServer {
 		return fmt.Errorf("source and target volume servers are the same!")

weed/shell/command_volume_unmount.go

@@ -2,7 +2,7 @@ package shell
 
 import (
 	"context"
-	"fmt"
+	"flag"
 	"io"
 
 	"github.com/chrislusf/seaweedfs/weed/operation"
@@ -25,7 +25,7 @@ func (c *commandVolumeUnmount) Name() string {
 func (c *commandVolumeUnmount) Help() string {
 	return `unmount a volume from one volume server
 
-	volume.unmount <volume server host:port> <volume id>
+	volume.unmount -node <volume server host:port> -volumeId <volume id>
 
 	This command unmounts a volume from one volume server.
 
@@ -38,16 +38,16 @@ func (c *commandVolumeUnmount) Do(args []string, commandEnv *CommandEnv, writer
 		return
 	}
 
-	if len(args) != 2 {
-		fmt.Fprintf(writer, "received args: %+v\n", args)
-		return fmt.Errorf("need 2 args of <volume server host:port> <volume id>")
+	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, volumeIdString := args[0], args[1]
 
-	volumeId, err := needle.NewVolumeId(volumeIdString)
-	if err != nil {
-		return fmt.Errorf("wrong volume id format %s: %v", volumeId, err)
-	}
+	sourceVolumeServer := *nodeStr
+
+	volumeId := needle.VolumeId(*volumeIdInt)
 
 	return unmountVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer)