mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-30 04:57:55 +08:00
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package shell
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"flag"
|
|
"fmt"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb"
|
|
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
|
|
"io"
|
|
)
|
|
|
|
func init() {
|
|
Commands = append(Commands, &commandMqTopicConfigure{})
|
|
}
|
|
|
|
type commandMqTopicConfigure struct {
|
|
}
|
|
|
|
func (c *commandMqTopicConfigure) Name() string {
|
|
return "mq.topic.configure"
|
|
}
|
|
|
|
func (c *commandMqTopicConfigure) Help() string {
|
|
return `configure a topic with a given name
|
|
|
|
Example:
|
|
mq.topic.configure -namespace <namespace> -topic <topic_name> -partition_count <partition_count>
|
|
`
|
|
}
|
|
|
|
func (c *commandMqTopicConfigure) HasTag(CommandTag) bool {
|
|
return false
|
|
}
|
|
|
|
func (c *commandMqTopicConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) error {
|
|
|
|
// parse parameters
|
|
mqCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
|
|
namespace := mqCommand.String("namespace", "", "namespace name")
|
|
topicName := mqCommand.String("topic", "", "topic name")
|
|
partitionCount := mqCommand.Int("partitionCount", 6, "partition count")
|
|
if err := mqCommand.Parse(args); err != nil {
|
|
return err
|
|
}
|
|
|
|
// find the broker balancer
|
|
brokerBalancer, err := findBrokerBalancer(commandEnv)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fmt.Fprintf(writer, "current balancer: %s\n", brokerBalancer)
|
|
|
|
// create topic
|
|
return pb.WithBrokerGrpcClient(false, brokerBalancer, commandEnv.option.GrpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
|
|
resp, err := client.ConfigureTopic(context.Background(), &mq_pb.ConfigureTopicRequest{
|
|
Topic: &mq_pb.Topic{
|
|
Namespace: *namespace,
|
|
Name: *topicName,
|
|
},
|
|
PartitionCount: int32(*partitionCount),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
output, _ := json.MarshalIndent(resp, "", " ")
|
|
fmt.Fprintf(writer, "response:\n%+v\n", string(output))
|
|
return nil
|
|
})
|
|
|
|
}
|