check that the topology has been updated

This commit is contained in:
Konstantin Lebedev 2021-10-01 18:51:22 +05:00
parent 2cecde89c3
commit 5e64b22b45
2 changed files with 54 additions and 3 deletions

View file

@ -208,6 +208,18 @@ func collectEcShards(commandEnv *CommandEnv, nodeToEcIndexBits map[pb.ServerAddr
}
func LookupVolumeIds(commandEnv *CommandEnv, volumeIds []string) (err error, volumeIdLocations []*master_pb.LookupVolumeResponse_VolumeIdLocation) {
var resp *master_pb.LookupVolumeResponse
err = commandEnv.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
resp, err = client.LookupVolume(context.Background(), &master_pb.LookupVolumeRequest{VolumeOrFileIds: volumeIds})
return err
})
if err != nil {
return err, nil
}
return nil, resp.VolumeIdLocations
}
func collectTopologyInfo(commandEnv *CommandEnv) (topoInfo *master_pb.TopologyInfo, volumeSizeLimitMb uint64, err error) {
var resp *master_pb.VolumeListResponse

View file

@ -10,6 +10,8 @@ import (
"io"
"path/filepath"
"sort"
"strconv"
"time"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
@ -70,6 +72,8 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
underReplicatedVolumeIdsCount := 1
for underReplicatedVolumeIdsCount > 0 {
fixedVolumeReplicas := map[string]int{}
// collect topology information
topologyInfo, _, err := collectTopologyInfo(commandEnv)
if err != nil {
@ -106,7 +110,8 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
underReplicatedVolumeIdsCount = len(underReplicatedVolumeIds)
if underReplicatedVolumeIdsCount > 0 {
// find the most under populated data nodes
if err := c.fixUnderReplicatedVolumes(commandEnv, writer, takeAction, underReplicatedVolumeIds, volumeReplicas, allLocations, *retryCount, *volumesPerStep); err != nil {
err, fixedVolumeReplicas = c.fixUnderReplicatedVolumes(commandEnv, writer, takeAction, underReplicatedVolumeIds, volumeReplicas, allLocations, *retryCount, *volumesPerStep)
if err != nil {
return err
}
}
@ -114,6 +119,36 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
if *skipChange {
break
}
// check that the topology has been updated
if len(fixedVolumeReplicas) > 0 {
fixedVolumes := make([]string, 0, len(fixedVolumeReplicas))
for k, _ := range fixedVolumeReplicas {
fixedVolumes = append(fixedVolumes, k)
}
err, volumeIdLocations := LookupVolumeIds(commandEnv, fixedVolumes)
if err != nil {
return err
}
for _, volumeIdLocation := range volumeIdLocations {
volumeId := volumeIdLocation.VolumeOrFileId
volumeIdLocationCount := len(volumeIdLocation.Locations)
i := 0
for fixedVolumeReplicas[volumeId] >= volumeIdLocationCount {
fmt.Fprintf(writer, "the number of locations for volume %s has not increased yet, let's wait\n", volumeId)
time.Sleep(time.Duration(i+1) * time.Second * 7)
err, volumeLocIds := LookupVolumeIds(commandEnv, []string{volumeId})
if err != nil {
return err
}
volumeIdLocationCount = len(volumeLocIds[0].Locations)
if *retryCount > i {
return fmt.Errorf("replicas volume %s mismatch in topology", volumeId)
}
i += 1
}
}
}
}
return nil
}
@ -168,18 +203,22 @@ func (c *commandVolumeFixReplication) fixOverReplicatedVolumes(commandEnv *Comma
return nil
}
func (c *commandVolumeFixReplication) fixUnderReplicatedVolumes(commandEnv *CommandEnv, writer io.Writer, takeAction bool, underReplicatedVolumeIds []uint32, volumeReplicas map[uint32][]*VolumeReplica, allLocations []location, retryCount int, volumesPerStep int) (err error) {
func (c *commandVolumeFixReplication) fixUnderReplicatedVolumes(commandEnv *CommandEnv, writer io.Writer, takeAction bool, underReplicatedVolumeIds []uint32, volumeReplicas map[uint32][]*VolumeReplica, allLocations []location, retryCount int, volumesPerStep int) (err error, fixedVolumes map[string]int) {
fixedVolumes = map[string]int{}
if len(underReplicatedVolumeIds) > volumesPerStep && volumesPerStep > 0 {
underReplicatedVolumeIds = underReplicatedVolumeIds[0:volumesPerStep]
}
for _, vid := range underReplicatedVolumeIds {
for i := 0; i < retryCount+1; i++ {
if err = c.fixOneUnderReplicatedVolume(commandEnv, writer, takeAction, volumeReplicas, vid, allLocations); err == nil {
if takeAction {
fixedVolumes[strconv.FormatUint(uint64(vid), 10)] = len(volumeReplicas[vid])
}
break
}
}
}
return
return nil, fixedVolumes
}
func (c *commandVolumeFixReplication) fixOneUnderReplicatedVolume(commandEnv *CommandEnv, writer io.Writer, takeAction bool, volumeReplicas map[uint32][]*VolumeReplica, vid uint32, allLocations []location) error {