You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.0 KiB
110 lines
3.0 KiB
package shell
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/operation"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/needle"
|
|
"github.com/chrislusf/seaweedfs/weed/storage/super_block"
|
|
)
|
|
|
|
func init() {
|
|
Commands = append(Commands, &commandVolumeConfigureReplication{})
|
|
}
|
|
|
|
type commandVolumeConfigureReplication struct {
|
|
}
|
|
|
|
func (c *commandVolumeConfigureReplication) Name() string {
|
|
return "volume.configure.replication"
|
|
}
|
|
|
|
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".
|
|
|
|
`
|
|
}
|
|
|
|
func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
|
|
|
|
if err = commandEnv.confirmIsLocked(); err != nil {
|
|
return
|
|
}
|
|
|
|
configureReplicationCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
|
|
volumeIdInt := configureReplicationCommand.Int("volumeId", 0, "the volume id")
|
|
replicationString := configureReplicationCommand.String("replication", "", "the intended replication value")
|
|
if err = configureReplicationCommand.Parse(args); err != nil {
|
|
return nil
|
|
}
|
|
|
|
if *replicationString == "" {
|
|
return fmt.Errorf("empty replication value")
|
|
}
|
|
|
|
replicaPlacement, err := super_block.NewReplicaPlacementFromString(*replicationString)
|
|
if err != nil {
|
|
return fmt.Errorf("replication format: %v", err)
|
|
}
|
|
replicaPlacementInt32 := uint32(replicaPlacement.Byte())
|
|
|
|
var resp *master_pb.VolumeListResponse
|
|
err = commandEnv.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
|
|
resp, err = client.VolumeList(context.Background(), &master_pb.VolumeListRequest{})
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
vid := needle.VolumeId(*volumeIdInt)
|
|
|
|
// find all data nodes with volumes that needs replication change
|
|
var allLocations []location
|
|
eachDataNode(resp.TopologyInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
|
|
loc := newLocation(dc, string(rack), dn)
|
|
for _, diskInfo := range dn.DiskInfos {
|
|
for _, v := range diskInfo.VolumeInfos {
|
|
if v.Id == uint32(vid) && v.ReplicaPlacement != replicaPlacementInt32 {
|
|
allLocations = append(allLocations, loc)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
})
|
|
|
|
if len(allLocations) == 0 {
|
|
return fmt.Errorf("no volume needs change")
|
|
}
|
|
|
|
for _, dst := range allLocations {
|
|
err := operation.WithVolumeServerClient(dst.dataNode.Id, commandEnv.option.GrpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
|
|
resp, configureErr := volumeServerClient.VolumeConfigure(context.Background(), &volume_server_pb.VolumeConfigureRequest{
|
|
VolumeId: uint32(vid),
|
|
Replication: replicaPlacement.String(),
|
|
})
|
|
if configureErr != nil {
|
|
return configureErr
|
|
}
|
|
if resp.Error != "" {
|
|
return errors.New(resp.Error)
|
|
}
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
}
|
|
|
|
return nil
|
|
}
|