mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-13 09:29:07 +08:00
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package pub_balancer
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
|
|
"google.golang.org/grpc"
|
|
)
|
|
|
|
// PubBalancer <= PublisherToPubBalancer() <= Broker <=> Publish()
|
|
// ExecuteBalanceActionMove from PubBalancer => AssignTopicPartitions() => Broker => Publish()
|
|
|
|
func (balancer *PubBalancer) ExecuteBalanceActionMove(move *BalanceActionMove, grpcDialOption grpc.DialOption) error {
|
|
if _, found := balancer.Brokers.Get(move.SourceBroker); !found {
|
|
return fmt.Errorf("source broker %s not found", move.SourceBroker)
|
|
}
|
|
if _, found := balancer.Brokers.Get(move.TargetBroker); !found {
|
|
return fmt.Errorf("target broker %s not found", move.TargetBroker)
|
|
}
|
|
|
|
err := pb.WithBrokerGrpcClient(false, move.TargetBroker, grpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
|
|
_, err := client.AssignTopicPartitions(context.Background(), &mq_pb.AssignTopicPartitionsRequest{
|
|
Topic: move.TopicPartition.Topic.ToPbTopic(),
|
|
BrokerPartitionAssignments: []*mq_pb.BrokerPartitionAssignment{
|
|
{
|
|
Partition: move.TopicPartition.ToPbPartition(),
|
|
},
|
|
},
|
|
IsLeader: true,
|
|
IsDraining: false,
|
|
})
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("assign topic partition %v to %s: %v", move.TopicPartition, move.TargetBroker, err)
|
|
}
|
|
|
|
err = pb.WithBrokerGrpcClient(false, move.SourceBroker, grpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
|
|
_, err := client.AssignTopicPartitions(context.Background(), &mq_pb.AssignTopicPartitionsRequest{
|
|
Topic: move.TopicPartition.Topic.ToPbTopic(),
|
|
BrokerPartitionAssignments: []*mq_pb.BrokerPartitionAssignment{
|
|
{
|
|
Partition: move.TopicPartition.ToPbPartition(),
|
|
},
|
|
},
|
|
IsLeader: true,
|
|
IsDraining: true,
|
|
})
|
|
return err
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("assign topic partition %v to %s: %v", move.TopicPartition, move.SourceBroker, err)
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|