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63 lines
1.5 KiB
63 lines
1.5 KiB
package shell
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import (
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"context"
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"flag"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"io"
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)
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func init() {
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Commands = append(Commands, &commandRaftServerAdd{})
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}
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type commandRaftServerAdd struct {
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}
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func (c *commandRaftServerAdd) Name() string {
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return "cluster.raft.add"
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}
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func (c *commandRaftServerAdd) Help() string {
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return `add a server to the raft cluster
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Example:
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cluster.raft.add -id <server_name> -address <server_host:port> -voter
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`
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}
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func (c *commandRaftServerAdd) HasTag(CommandTag) bool {
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return false
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}
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func (c *commandRaftServerAdd) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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raftServerAddCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
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serverId := raftServerAddCommand.String("id", "", "server id")
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serverAddress := raftServerAddCommand.String("address", "", "server grpc address")
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serverVoter := raftServerAddCommand.Bool("voter", true, "assign it a vote")
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if err = raftServerAddCommand.Parse(args); err != nil {
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return nil
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}
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if *serverId == "" || *serverAddress == "" {
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return fmt.Errorf("empty server id or address")
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}
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err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
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_, err := client.RaftAddServer(context.Background(), &master_pb.RaftAddServerRequest{
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Id: *serverId,
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Address: *serverAddress,
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Voter: *serverVoter,
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})
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if err != nil {
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return fmt.Errorf("raft add server: %v", err)
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}
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println("added server", *serverId)
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return nil
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})
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return err
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}
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