seaweedfs/weed/mq/broker/broker_grpc_lookup.go

78 lines
2.4 KiB
Go
Raw Normal View History

2023-08-28 09:33:46 +08:00
package broker
import (
"context"
2023-09-25 14:05:41 +08:00
"fmt"
2023-08-28 09:33:46 +08:00
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
2023-09-20 05:08:17 +08:00
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
2023-08-28 09:33:46 +08:00
)
// FindTopicBrokers returns the brokers that are serving the topic
//
// 1. lock the topic
//
// 2. find the topic partitions on the filer
// 2.1 if the topic is not found, return error
2023-12-23 03:33:00 +08:00
// 2.1.2 if the request is_for_publish, create the topic
2023-08-28 09:33:46 +08:00
// 2.2 if the topic is found, return the brokers
//
// 3. unlock the topic
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
2023-12-12 04:05:54 +08:00
func (b *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq_pb.LookupTopicBrokersRequest) (resp *mq_pb.LookupTopicBrokersResponse, err error) {
if b.currentBalancer == "" {
2023-09-20 05:08:17 +08:00
return nil, status.Errorf(codes.Unavailable, "no balancer")
}
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
2023-12-12 04:05:54 +08:00
if !b.lockAsBalancer.IsLocked() {
proxyErr := b.withBrokerClient(false, b.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
2023-09-20 05:08:17 +08:00
resp, err = client.LookupTopicBrokers(ctx, request)
return nil
})
if proxyErr != nil {
return nil, proxyErr
}
return resp, err
}
2023-08-28 09:33:46 +08:00
2023-09-20 05:08:17 +08:00
ret := &mq_pb.LookupTopicBrokersResponse{}
2023-08-28 09:59:04 +08:00
ret.Topic = request.Topic
2024-01-03 09:29:35 +08:00
ret.BrokerPartitionAssignments, err = b.Balancer.LookupOrAllocateTopicPartitions(ret.Topic, request.IsForPublish, -1)
2023-09-20 05:08:17 +08:00
return ret, err
2023-08-28 09:33:46 +08:00
}
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
2023-12-12 04:05:54 +08:00
func (b *MessageQueueBroker) ListTopics(ctx context.Context, request *mq_pb.ListTopicsRequest) (resp *mq_pb.ListTopicsResponse, err error) {
if b.currentBalancer == "" {
2023-09-25 12:19:51 +08:00
return nil, status.Errorf(codes.Unavailable, "no balancer")
}
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
2023-12-12 04:05:54 +08:00
if !b.lockAsBalancer.IsLocked() {
proxyErr := b.withBrokerClient(false, b.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
2023-09-25 12:19:51 +08:00
resp, err = client.ListTopics(ctx, request)
return nil
})
if proxyErr != nil {
return nil, proxyErr
}
return resp, err
}
ret := &mq_pb.ListTopicsResponse{}
2023-09-25 14:05:41 +08:00
knownTopics := make(map[string]struct{})
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
2023-12-12 04:05:54 +08:00
for brokerStatsItem := range b.Balancer.Brokers.IterBuffered() {
2023-09-25 12:19:51 +08:00
_, brokerStats := brokerStatsItem.Key, brokerStatsItem.Val
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
2023-12-12 04:05:54 +08:00
for topicPartitionStatsItem := range brokerStats.TopicPartitionStats.IterBuffered() {
2023-09-25 12:19:51 +08:00
topicPartitionStat := topicPartitionStatsItem.Val
topic := &mq_pb.Topic{
Namespace: topicPartitionStat.TopicPartition.Namespace,
2023-10-02 16:01:45 +08:00
Name: topicPartitionStat.TopicPartition.Name,
2023-09-25 12:19:51 +08:00
}
2023-09-25 14:05:41 +08:00
topicKey := fmt.Sprintf("%s/%s", topic.Namespace, topic.Name)
if _, found := knownTopics[topicKey]; found {
2023-09-25 12:19:51 +08:00
continue
}
2023-09-25 14:05:41 +08:00
knownTopics[topicKey] = struct{}{}
2023-09-25 12:19:51 +08:00
ret.Topics = append(ret.Topics, topic)
}
}
return ret, nil
}