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https://github.com/seaweedfs/seaweedfs.git
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580940bf82
* 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
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package shell
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import (
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"context"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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"io"
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)
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func init() {
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Commands = append(Commands, &commandMqTopicList{})
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}
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type commandMqTopicList struct {
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}
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func (c *commandMqTopicList) Name() string {
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return "mq.topic.list"
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}
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func (c *commandMqTopicList) Help() string {
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return `print out all topics`
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}
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func (c *commandMqTopicList) Do(args []string, commandEnv *CommandEnv, writer io.Writer) error {
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brokerBalancer, err := findBrokerBalancer(commandEnv)
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if err != nil {
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return err
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}
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fmt.Fprintf(writer, "current balancer: %s\n", brokerBalancer)
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return pb.WithBrokerGrpcClient(false, brokerBalancer, commandEnv.option.GrpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
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resp, err := client.ListTopics(context.Background(), &mq_pb.ListTopicsRequest{})
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if err != nil {
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return err
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}
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if len(resp.Topics) == 0 {
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fmt.Fprintf(writer, "no topics found\n")
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return nil
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}
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for _, topic := range resp.Topics {
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fmt.Fprintf(writer, " %+v\n", topic)
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}
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return nil
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})
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}
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func findBrokerBalancer(commandEnv *CommandEnv) (brokerBalancer string, err error) {
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err = commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.FindLockOwner(context.Background(), &filer_pb.FindLockOwnerRequest{
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Name: pub_balancer.LockBrokerBalancer,
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})
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if err != nil {
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return err
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}
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brokerBalancer = resp.Owner
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return nil
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})
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return
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}
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