From f5684839a2799656c0d8ddf68e191b2c4e29ed30 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Sun, 17 May 2020 17:34:10 -0700 Subject: [PATCH] add DeleteTopic --- weed/messaging/msgclient/config.go | 63 ++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 weed/messaging/msgclient/config.go diff --git a/weed/messaging/msgclient/config.go b/weed/messaging/msgclient/config.go new file mode 100644 index 000000000..2b9eba1a8 --- /dev/null +++ b/weed/messaging/msgclient/config.go @@ -0,0 +1,63 @@ +package msgclient + +import ( + "context" + "log" + + "github.com/chrislusf/seaweedfs/weed/messaging/broker" + "github.com/chrislusf/seaweedfs/weed/pb" + "github.com/chrislusf/seaweedfs/weed/pb/messaging_pb" +) + +func (mc *MessagingClient) configureTopic(tp broker.TopicPartition) error { + + return mc.withAnyBroker(func(client messaging_pb.SeaweedMessagingClient) error { + _, err := client.ConfigureTopic(context.Background(), + &messaging_pb.ConfigureTopicRequest{ + Namespace: tp.Namespace, + Topic: tp.Topic, + Configuration: &messaging_pb.TopicConfiguration{ + PartitionCount: 0, + Collection: "", + Replication: "", + IsTransient: false, + Partitoning: 0, + }, + }) + return err + }) + +} + +func (mc *MessagingClient) DeleteTopic(namespace, topic string) error { + + return mc.withAnyBroker(func(client messaging_pb.SeaweedMessagingClient) error { + _, err := client.DeleteTopic(context.Background(), + &messaging_pb.DeleteTopicRequest{ + Namespace: namespace, + Topic: topic, + }) + return err + }) +} + +func (mc *MessagingClient) withAnyBroker(fn func(client messaging_pb.SeaweedMessagingClient) error) error { + + var lastErr error + for _, broker := range mc.bootstrapBrokers { + grpcConnection, err := pb.GrpcDial(context.Background(), broker, mc.grpcDialOption) + if err != nil { + log.Printf("dial broker %s: %v", broker, err) + continue + } + defer grpcConnection.Close() + + err = fn(messaging_pb.NewSeaweedMessagingClient(grpcConnection)) + if err == nil { + return nil + } + lastErr = err + } + + return lastErr +}