mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-27 12:49:41 +08:00
113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
package shell
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import (
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"context"
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"flag"
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"fmt"
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"io"
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"time"
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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, &commandVolumeTier{})
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}
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type commandVolumeTier struct {
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}
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func (c *commandVolumeTier) Name() string {
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return "volume.tier"
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}
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func (c *commandVolumeTier) Help() string {
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return `copy the dat file of a volume to a remote tier
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ec.encode [-collection=""] [-fullPercent=95] [-quietFor=1h]
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ec.encode [-collection=""] [-volumeId=<volume_id>]
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This command will:
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1. freeze one volume
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2. copy the dat file of a volume to a remote tier
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`
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}
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func (c *commandVolumeTier) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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tierCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
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volumeId := tierCommand.Int("volumeId", 0, "the volume id")
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collection := tierCommand.String("collection", "", "the collection name")
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fullPercentage := tierCommand.Float64("fullPercent", 95, "the volume reaches the percentage of max volume size")
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quietPeriod := tierCommand.Duration("quietFor", 24*time.Hour, "select volumes without no writes for this period")
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dest := tierCommand.String("destination", "", "the target tier name")
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if err = tierCommand.Parse(args); err != nil {
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return nil
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}
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ctx := context.Background()
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vid := needle.VolumeId(*volumeId)
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// volumeId is provided
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if vid != 0 {
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return doVolumeTier(ctx, commandEnv, *collection, vid, *dest)
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}
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// apply to all volumes in the collection
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// reusing collectVolumeIdsForEcEncode for now
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volumeIds, err := collectVolumeIdsForEcEncode(ctx, commandEnv, *collection, *fullPercentage, *quietPeriod)
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if err != nil {
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return err
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}
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fmt.Printf("tiering volumes: %v\n", volumeIds)
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for _, vid := range volumeIds {
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if err = doVolumeTier(ctx, commandEnv, *collection, vid, *dest); err != nil {
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return err
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}
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}
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return nil
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}
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func doVolumeTier(ctx context.Context, commandEnv *CommandEnv, collection string, vid needle.VolumeId, dest string) (err error) {
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// find volume location
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locations, found := commandEnv.MasterClient.GetLocations(uint32(vid))
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if !found {
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return fmt.Errorf("volume %d not found", vid)
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}
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// mark the volume as readonly
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/*
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err = markVolumeReadonly(ctx, commandEnv.option.GrpcDialOption, needle.VolumeId(vid), locations)
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if err != nil {
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return fmt.Errorf("mark volume %d as readonly on %s: %v", vid, locations[0].Url, err)
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}
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*/
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// copy the .dat file to remote tier
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err = copyDatToRemoteTier(ctx, commandEnv.option.GrpcDialOption, needle.VolumeId(vid), collection, locations[0].Url, dest)
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if err != nil {
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return fmt.Errorf("copy dat file for volume %d on %s to %s: %v", vid, locations[0].Url, dest, err)
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}
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return nil
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}
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func copyDatToRemoteTier(ctx context.Context, grpcDialOption grpc.DialOption, volumeId needle.VolumeId, collection string, sourceVolumeServer string, dest string) error {
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err := operation.WithVolumeServerClient(sourceVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
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_, copyErr := volumeServerClient.VolumeTierCopyDatToRemote(ctx, &volume_server_pb.VolumeTierCopyDatToRemoteRequest{
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VolumeId: uint32(volumeId),
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Collection: collection,
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})
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return copyErr
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})
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return err
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}
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