/usr/share/gocode/src/github.com/hashicorp/serf/command/force_leave.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"
)
// ForceLeaveCommand is a Command implementation that tells a running Serf
// to force a member to enter the "left" state.
type ForceLeaveCommand struct {
Ui cli.Ui
}
func (c *ForceLeaveCommand) Run(args []string) int {
cmdFlags := flag.NewFlagSet("join", flag.ContinueOnError)
cmdFlags.Usage = func() { c.Ui.Output(c.Help()) }
rpcAddr := RPCAddrFlag(cmdFlags)
rpcAuth := RPCAuthFlag(cmdFlags)
if err := cmdFlags.Parse(args); err != nil {
return 1
}
nodes := cmdFlags.Args()
if len(nodes) != 1 {
c.Ui.Error("A node name must be specified to force leave.")
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()
err = client.ForceLeave(nodes[0])
if err != nil {
c.Ui.Error(fmt.Sprintf("Error force leaving: %s", err))
return 1
}
return 0
}
func (c *ForceLeaveCommand) Synopsis() string {
return "Forces a member of the cluster to enter the \"left\" state"
}
func (c *ForceLeaveCommand) Help() string {
helpText := `
Usage: serf force-leave [options] name
Forces a member of a Serf cluster to enter the "left" state. Note
that if the member is still actually alive, it will eventually rejoin
the cluster. This command is most useful for cleaning out "failed" nodes
that are never coming back. If you do not force leave a failed node,
Serf will attempt to reconnect to those failed nodes for some period of
time before eventually reaping them.
Options:
-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)
}
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