seaweedfs/weed/mq/client/pub_client/lookup.go
Chris Lu 580940bf82
Merge accumulated changes related to message queue (#5098)
* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* tracking topic=>broker

* merge

* comment
2023-12-11 12:05:54 -08:00

85 lines
2.2 KiB
Go

package pub_client
import (
"context"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
)
func (p *TopicPublisher) doLookupAndConnect(brokerAddress string) error {
if p.config.CreateTopic {
err := pb.WithBrokerGrpcClient(true,
brokerAddress,
p.grpcDialOption,
func(client mq_pb.SeaweedMessagingClient) error {
_, err := client.ConfigureTopic(context.Background(), &mq_pb.ConfigureTopicRequest{
Topic: &mq_pb.Topic{
Namespace: p.namespace,
Name: p.topic,
},
PartitionCount: p.config.CreateTopicPartitionCount,
})
return err
})
if err != nil {
return fmt.Errorf("configure topic %s/%s: %v", p.namespace, p.topic, err)
}
}
err := pb.WithBrokerGrpcClient(true,
brokerAddress,
p.grpcDialOption,
func(client mq_pb.SeaweedMessagingClient) error {
lookupResp, err := client.LookupTopicBrokers(context.Background(),
&mq_pb.LookupTopicBrokersRequest{
Topic: &mq_pb.Topic{
Namespace: p.namespace,
Name: p.topic,
},
IsForPublish: true,
})
if p.config.CreateTopic && err != nil {
_, err = client.ConfigureTopic(context.Background(), &mq_pb.ConfigureTopicRequest{
Topic: &mq_pb.Topic{
Namespace: p.namespace,
Name: p.topic,
},
PartitionCount: p.config.CreateTopicPartitionCount,
})
if err != nil {
return err
}
lookupResp, err = client.LookupTopicBrokers(context.Background(),
&mq_pb.LookupTopicBrokersRequest{
Topic: &mq_pb.Topic{
Namespace: p.namespace,
Name: p.topic,
},
IsForPublish: true,
})
}
if err != nil {
return err
}
for _, brokerPartitionAssignment := range lookupResp.BrokerPartitionAssignments {
// partition => publishClient
publishClient, err := p.doConnect(brokerPartitionAssignment.Partition, brokerPartitionAssignment.LeaderBroker)
if err != nil {
return err
}
p.partition2Broker.Insert(
brokerPartitionAssignment.Partition.RangeStart,
brokerPartitionAssignment.Partition.RangeStop,
publishClient)
}
return nil
})
if err != nil {
return fmt.Errorf("lookup topic %s/%s: %v", p.namespace, p.topic, err)
}
return nil
}