do create topic

weed/mq/broker/broker_grpc_create.go

@@ -0,0 +1,43 @@
+package broker
+
+import (
+	"context"
+	"github.com/seaweedfs/seaweedfs/weed/mq/topic"
+	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// CreateTopic Runs on any broker, but proxied to the balancer if not the balancer
+func (broker *MessageQueueBroker) CreateTopic(ctx context.Context, request *mq_pb.CreateTopicRequest) (resp *mq_pb.CreateTopicResponse, err error) {
+	if broker.currentBalancer == "" {
+		return nil, status.Errorf(codes.Unavailable, "no balancer")
+	}
+	if !broker.lockAsBalancer.IsLocked() {
+		proxyErr := broker.withBrokerClient(false, broker.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
+			resp, err = client.CreateTopic(ctx, request)
+			return nil
+		})
+		if proxyErr != nil {
+			return nil, proxyErr
+		}
+		return resp, err
+	}
+
+	ret := &mq_pb.CreateTopicResponse{}
+	ret.BrokerPartitionAssignments, err = broker.Balancer.LookupOrAllocateTopicPartitions(request.Topic, true, request.PartitionCount)
+
+	return ret, err
+}
+
+func (broker *MessageQueueBroker) DoCreateTopic(ctx context.Context, req *mq_pb.DoCreateTopicRequest) (resp *mq_pb.DoCreateTopicResponse, err error) {
+	ret := &mq_pb.DoCreateTopicResponse{}
+	t, p := topic.FromPbTopic(req.Topic), topic.FromPbPartition(req.Partition)
+	localTopicPartition := broker.localTopicManager.GetTopicPartition(t, p)
+	if localTopicPartition == nil {
+		localTopicPartition = topic.NewLocalPartition(t, p, true, nil)
+		broker.localTopicManager.AddTopicPartition(t, localTopicPartition)
+	}
+
+	return ret, err
+}

weed/mq/broker/broker_grpc_lookup.go

@@ -7,26 +7,6 @@ import (
 	"google.golang.org/grpc/status"
 )
 
-func (broker *MessageQueueBroker) CreateTopic(ctx context.Context, request *mq_pb.CreateTopicRequest) (resp *mq_pb.CreateTopicResponse, err error) {
-	if broker.currentBalancer == "" {
-		return nil, status.Errorf(codes.Unavailable, "no balancer")
-	}
-	if !broker.lockAsBalancer.IsLocked() {
-		proxyErr := broker.withBrokerClient(false, broker.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
-			resp, err = client.CreateTopic(ctx, request)
-			return nil
-		})
-		if proxyErr != nil {
-			return nil, proxyErr
-		}
-		return resp, err
-	}
-
-	ret := &mq_pb.CreateTopicResponse{}
-	ret.BrokerPartitionAssignments, err = broker.Balancer.LookupOrAllocateTopicPartitions(request.Topic, true, request.PartitionCount)
-	return ret, err
-}
-
 // FindTopicBrokers returns the brokers that are serving the topic
 //
 //  1. lock the topic