proxy requests to lock owner

This commit is contained in:
Chris Lu
2024-02-05 16:46:40 -08:00
parent 0d74ac9224
commit 4dc6681833
6 changed files with 66 additions and 74 deletions

View File

@@ -5,6 +5,7 @@ import (
"fmt"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/mq/topic"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
@@ -12,11 +13,11 @@ import (
// LookupTopicBrokers returns the brokers that are serving the topic
func (b *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq_pb.LookupTopicBrokersRequest) (resp *mq_pb.LookupTopicBrokersResponse, err error) {
if b.currentBalancer == "" {
if !b.lockAsBalancer.IsLocked() {
return nil, status.Errorf(codes.Unavailable, "no balancer")
}
if !b.lockAsBalancer.IsLocked() {
proxyErr := b.withBrokerClient(false, b.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
resp, err = client.LookupTopicBrokers(ctx, request)
return nil
})
@@ -41,11 +42,11 @@ func (b *MessageQueueBroker) LookupTopicBrokers(ctx context.Context, request *mq
}
func (b *MessageQueueBroker) ListTopics(ctx context.Context, request *mq_pb.ListTopicsRequest) (resp *mq_pb.ListTopicsResponse, err error) {
if b.currentBalancer == "" {
if !b.lockAsBalancer.IsLocked() {
return nil, status.Errorf(codes.Unavailable, "no balancer")
}
if !b.lockAsBalancer.IsLocked() {
proxyErr := b.withBrokerClient(false, b.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
if !b.isLockOwner() {
proxyErr := b.withBrokerClient(false, pb.ServerAddress(b.lockAsBalancer.LockOwner()), func(client mq_pb.SeaweedMessagingClient) error {
resp, err = client.ListTopics(ctx, request)
return nil
})
@@ -76,3 +77,7 @@ func (b *MessageQueueBroker) ListTopics(ctx context.Context, request *mq_pb.List
return ret, nil
}
func (b *MessageQueueBroker) isLockOwner() bool {
return b.lockAsBalancer.LockOwner() == b.option.BrokerAddress().String()
}