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Fix sourceNodeClusterInfo.MigratingSlot maybe nil when tryUpdateMigrationStatus #357

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Merged
git-hulk merged 3 commits into from
Oct 4, 2025
Merged

Fix sourceNodeClusterInfo.MigratingSlot maybe nil when tryUpdateMigrationStatus #357

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762aba8
Fix sourceNodeClusterInfo.MigratingSlot maybe nil when tryUpdateMigra…
hll1213181368 Sep 29, 2025
2982f64
Update cluster.go
hll1213181368 Oct 3, 2025
bc72275
Update controller/cluster.go
git-hulk Oct 4, 2025
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27 changes: 18 additions & 9 deletions controller/cluster.go
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Original file line number Diff line number Diff line change
Expand Up @@ -338,48 +338,57 @@ func (c *ClusterChecker) tryUpdateMigrationStatus(ctx context.Context, clonedClu
).Error("Failed to get the cluster info from the source node", zap.Error(err))
continue
}
if !sourceNodeClusterInfo.MigratingSlot.Equal(shard.MigratingSlot.SlotRange) {

// If there is no migration information on the source node or the source node migration slot is not equal to the shard,
// you need to clear the migration information on the controller.
if sourceNodeClusterInfo.MigratingSlot == nil || (sourceNodeClusterInfo.MigratingSlot != nil &&
!sourceNodeClusterInfo.MigratingSlot.Equal(shard.MigratingSlot.SlotRange)) {
log.Error("Mismatch migrating slot",
zap.Int("shard_index", i),
zap.String("source_migrating_slot", sourceNodeClusterInfo.MigratingSlot.String()),
zap.String("migrating_slot", shard.MigratingSlot.String()),
)
clonedCluster.Shards[i].ClearMigrateState()
if err = c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
log.Error("Failed to update the migrate state by UpdateCluster method", zap.Error(err))
return
}
c.updateCluster(clonedCluster)
continue
}

if shard.TargetShardIndex < 0 || shard.TargetShardIndex >= len(clonedCluster.Shards) {
log.Error("Invalid target shard index", zap.Int("index", shard.TargetShardIndex))
return
}

migratingSlot := shard.MigratingSlot.String()
switch sourceNodeClusterInfo.MigratingState {
case "none", "start":
continue
case "fail":
migratingSlot := shard.MigratingSlot
clonedCluster.Shards[i].ClearMigrateState()
if err := c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
if err = c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
log.Error("Failed to update the cluster", zap.Error(err))
return
}
c.updateCluster(clonedCluster)
log.Warn("Failed to migrate the slot", zap.String("slot", migratingSlot.String()))
log.Warn("Failed to migrate the slot", zap.String("slot", migratingSlot))
case "success":
clonedCluster.Shards[i].SlotRanges = store.RemoveSlotFromSlotRanges(clonedCluster.Shards[i].SlotRanges, shard.MigratingSlot.SlotRange)
clonedCluster.Shards[shard.TargetShardIndex].SlotRanges = store.AddSlotToSlotRanges(
clonedCluster.Shards[shard.TargetShardIndex].SlotRanges, shard.MigratingSlot.SlotRange,
)
migratedSlot := shard.MigratingSlot
clonedCluster.Shards[i].ClearMigrateState()
if err := c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
if err = c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
log.Error("Failed to update the cluster", zap.Error(err))
return
} else {
log.Info("Migrate the slot successfully", zap.String("slot", migratedSlot.String()))
log.Info("Migrate the slot successfully", zap.String("slot", migratingSlot))
}
c.updateCluster(clonedCluster)
default:
clonedCluster.Shards[i].ClearMigrateState()
if err := c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
if err = c.clusterStore.UpdateCluster(ctx, c.namespace, clonedCluster); err != nil {
log.Error("Failed to update the cluster", zap.Error(err))
return
}
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