/usr/share/gocode/src/github.com/hashicorp/serf/command/join.go is in golang-github-hashicorp-serf-dev 0.7.0~ds1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"flag"
"fmt"
"github.com/mitchellh/cli"
"strings"
)
// JoinCommand is a Command implementation that tells a running Serf
// agent to join another.
type JoinCommand struct {
Ui cli.Ui
}
func (c *JoinCommand) Help() string {
helpText := `
Usage: serf join [options] address ...
Tells a running Serf agent (with "serf agent") to join the cluster
by specifying at least one existing member.
Options:
-replay Replay past user events.
-rpc-addr=127.0.0.1:7373 RPC address of the Serf agent.
-rpc-auth="" RPC auth token of the Serf agent.
`
return strings.TrimSpace(helpText)
}
func (c *JoinCommand) Run(args []string) int {
var replayEvents bool
cmdFlags := flag.NewFlagSet("join", flag.ContinueOnError)
cmdFlags.Usage = func() { c.Ui.Output(c.Help()) }
cmdFlags.BoolVar(&replayEvents, "replay", false, "replay")
rpcAddr := RPCAddrFlag(cmdFlags)
rpcAuth := RPCAuthFlag(cmdFlags)
if err := cmdFlags.Parse(args); err != nil {
return 1
}
addrs := cmdFlags.Args()
if len(addrs) == 0 {
c.Ui.Error("At least one address to join must be specified.")
c.Ui.Error("")
c.Ui.Error(c.Help())
return 1
}
client, err := RPCClient(*rpcAddr, *rpcAuth)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error connecting to Serf agent: %s", err))
return 1
}
defer client.Close()
n, err := client.Join(addrs, replayEvents)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error joining the cluster: %s", err))
return 1
}
c.Ui.Output(fmt.Sprintf(
"Successfully joined cluster by contacting %d nodes.", n))
return 0
}
func (c *JoinCommand) Synopsis() string {
return "Tell Serf agent to join cluster"
}
|