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Merge pull request #2438 from ekhvalov/volume_replication_collection

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Volume configure replication by collection pattern
This commit is contained in:
Chris Lu 2021-11-11 01:20:21 -08:00 committed by GitHub
parent 835e2d2ddf 9668b15f38
commit cef2718ede
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 3 deletions
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24
weed/shell/command_volume_configure_replication.go
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@ -7,6 +7,7 @@ import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb"
"io"
"path/filepath"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@ -34,11 +35,12 @@ func (c *commandVolumeConfigureReplication) Help() string {
`
}
func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *CommandEnv, _ io.Writer) (err error) {
configureReplicationCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
volumeIdInt := configureReplicationCommand.Int("volumeId", 0, "the volume id")
replicationString := configureReplicationCommand.String("replication", "", "the intended replication value")
collectionPattern := configureReplicationCommand.String("collectionPattern", "", "match with wildcard characters '*' and '?'")
if err = configureReplicationCommand.Parse(args); err != nil {
return nil
}
@ -55,7 +57,6 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
if err != nil {
return fmt.Errorf("replication format: %v", err)
}
replicaPlacementInt32 := uint32(replicaPlacement.Byte())
// collect topology information
topologyInfo, _, err := collectTopologyInfo(commandEnv)
@ -64,6 +65,7 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
}
vid := needle.VolumeId(*volumeIdInt)
volumeFilter := getVolumeFilter(replicaPlacement, uint32(vid), *collectionPattern)
// find all data nodes with volumes that needs replication change
var allLocations []location
@ -71,7 +73,7 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
loc := newLocation(dc, string(rack), dn)
for _, diskInfo := range dn.DiskInfos {
for _, v := range diskInfo.VolumeInfos {
if v.Id == uint32(vid) && v.ReplicaPlacement != replicaPlacementInt32 {
if volumeFilter(v) {
allLocations = append(allLocations, loc)
continue
}
@ -106,3 +108,19 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
return nil
}
func getVolumeFilter(replicaPlacement *super_block.ReplicaPlacement, volumeId uint32, collectionPattern string) func(message *master_pb.VolumeInformationMessage) bool {
replicaPlacementInt32 := uint32(replicaPlacement.Byte())
if volumeId > 0 {
return func(v *master_pb.VolumeInformationMessage) bool {
return v.Id == volumeId && v.ReplicaPlacement != replicaPlacementInt32
}
}
return func(v *master_pb.VolumeInformationMessage) bool {
matched, err := filepath.Match(collectionPattern, v.Collection)
if err != nil {
return false
}
return matched
}
}