gsh-digital-services/seaweedFS
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

move read write topic config into filer client accessor

Browse Source
This commit is contained in:
chrislu
2024-05-14 08:50:17 -07:00
parent ac63f2b5a1
commit 6e5075e14e
7 changed files with 83 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
weed/mq/broker/broker_topic_conf_read_write.go
View File

@@ -1,64 +1,16 @@
package broker
import (
"bytes"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
"github.com/seaweedfs/seaweedfs/weed/mq/topic"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
jsonpb "google.golang.org/protobuf/encoding/protojson"
)
func (b *MessageQueueBroker) saveTopicConfToFiler(t *mq_pb.Topic, conf *mq_pb.ConfigureTopicResponse) error {
glog.V(0).Infof("save conf for topic %v to filer", t)
// save the topic configuration on filer
topicDir := fmt.Sprintf("%s/%s/%s", filer.TopicsDir, t.Namespace, t.Name)
if err := b.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
var buf bytes.Buffer
filer.ProtoToText(&buf, conf)
return filer.SaveInsideFiler(client, topicDir, "topic.conf", buf.Bytes())
}); err != nil {
return fmt.Errorf("save topic to %s: %v", topicDir, err)
}
return nil
}
// readTopicConfFromFiler reads the topic configuration from filer
// this should only be run in broker leader, to ensure correct active broker list.
func (b *MessageQueueBroker) readTopicConfFromFiler(t topic.Topic) (conf *mq_pb.ConfigureTopicResponse, err error) {
glog.V(0).Infof("load conf for topic %v from filer", t)
topicDir := fmt.Sprintf("%s/%s/%s", filer.TopicsDir, t.Namespace, t.Name)
if err = b.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
data, err := filer.ReadInsideFiler(client, topicDir, "topic.conf")
if err == filer_pb.ErrNotFound {
return err
}
if err != nil {
return fmt.Errorf("read topic.conf of %v: %v", t, err)
}
// parse into filer conf object
conf = &mq_pb.ConfigureTopicResponse{}
if err = jsonpb.Unmarshal(data, conf); err != nil {
return fmt.Errorf("unmarshal topic %v conf: %v", t, err)
}
return nil
}); err != nil {
return nil, err
}
return conf, nil
}
func (b *MessageQueueBroker) GetOrGenerateLocalPartition(t topic.Topic, partition topic.Partition) (localTopicPartition *topic.LocalPartition, getOrGenError error) {
// get or generate a local partition
conf, readConfErr := b.readTopicConfFromFiler(t)
conf, readConfErr := b.fca.ReadTopicConfFromFiler(t)
if readConfErr != nil {
glog.Errorf("topic %v not found: %v", t, readConfErr)
return nil, fmt.Errorf("topic %v not found: %v", t, readConfErr)
@@ -103,7 +55,7 @@ func (b *MessageQueueBroker) ensureTopicActiveAssignments(t topic.Topic, conf *m
hasChanges := pub_balancer.EnsureAssignmentsToActiveBrokers(b.Balancer.Brokers, 1, conf.BrokerPartitionAssignments)
if hasChanges {
glog.V(0).Infof("topic %v partition updated assignments: %v", t, conf.BrokerPartitionAssignments)
if err = b.saveTopicConfToFiler(t.ToPbTopic(), conf); err != nil {
if err = b.fca.SaveTopicConfToFiler(t.ToPbTopic(), conf); err != nil {
return err
}
}