Merge pull request #2 from chrislusf/master

1 files changed, 108 insertions, 0 deletions

diff --git a/weed/shell/command_volume_tier_move.go b/weed/shell/command_volume_tier_move.go
new file mode 100644
index 000000000..3c6c31eac
--- /dev/null
+++ b/weed/shell/command_volume_tier_move.go
@@ -0,0 +1,108 @@
+package shell
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
+	"io"
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+)
+
+func init() {
+	Commands = append(Commands, &commandVolumeTierMove{})
+}
+
+type commandVolumeTierMove struct {
+}
+
+func (c *commandVolumeTierMove) Name() string {
+	return "volume.tier.upload"
+}
+
+func (c *commandVolumeTierMove) Help() string {
+	return `change a volume from one disk type to another
+
+	volume.tier.move -source=hdd -target=ssd [-collection=""] [-fullPercent=95] [-quietFor=1h]
+	volume.tier.move -target=hdd [-collection=""] -volumeId=<volume_id>
+
+`
+}
+
+func (c *commandVolumeTierMove) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
+
+	if err = commandEnv.confirmIsLocked(); err != nil {
+		return
+	}
+
+	tierCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	volumeId := tierCommand.Int("volumeId", 0, "the volume id")
+	collection := tierCommand.String("collection", "", "the collection name")
+	fullPercentage := tierCommand.Float64("fullPercent", 95, "the volume reaches the percentage of max volume size")
+	quietPeriod := tierCommand.Duration("quietFor", 24*time.Hour, "select volumes without no writes for this period")
+	source := tierCommand.String("fromDiskType", "", "the source disk type")
+	target := tierCommand.String("toDiskType", "", "the target disk type")
+	if err = tierCommand.Parse(args); err != nil {
+		return nil
+	}
+
+	if *source == *target {
+		return fmt.Errorf("source tier %s is the same as target tier %s", *source, *target)
+	}
+
+	vid := needle.VolumeId(*volumeId)
+
+	// volumeId is provided
+	if vid != 0 {
+		// return doVolumeTierMove(commandEnv, writer, *collection, vid, *dest, *keepLocalDatFile)
+	}
+
+	// apply to all volumes in the collection
+	// reusing collectVolumeIdsForEcEncode for now
+	volumeIds, err := collectVolumeIdsForTierChange(commandEnv, *source, *collection, *fullPercentage, *quietPeriod)
+	if err != nil {
+		return err
+	}
+	fmt.Printf("tier move volumes: %v\n", volumeIds)
+
+	return nil
+}
+
+func collectVolumeIdsForTierChange(commandEnv *CommandEnv, sourceTier string, selectedCollection string, fullPercentage float64, quietPeriod time.Duration) (vids []needle.VolumeId, err error) {
+
+	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
+	}
+
+	quietSeconds := int64(quietPeriod / time.Second)
+	nowUnixSeconds := time.Now().Unix()
+
+	fmt.Printf("collect %s volumes quiet for: %d seconds\n", sourceTier, quietSeconds)
+
+	vidMap := make(map[uint32]bool)
+	eachDataNode(resp.TopologyInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
+		for _, diskInfo := range dn.DiskInfos {
+			for _, v := range diskInfo.VolumeInfos {
+				if v.Collection == selectedCollection && v.ModifiedAtSecond+quietSeconds < nowUnixSeconds && types.ToDiskType(v.DiskType) == types.ToDiskType(sourceTier) {
+					if float64(v.Size) > fullPercentage/100*float64(resp.VolumeSizeLimitMb)*1024*1024 {
+						vidMap[v.Id] = true
+					}
+				}
+			}
+		}
+	})
+
+	for vid := range vidMap {
+		vids = append(vids, needle.VolumeId(vid))
+	}
+
+	return
+}