95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
package forceleave
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import (
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"flag"
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"fmt"
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"github.com/mitchellh/cli"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/flags"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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// flags
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prune bool
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wan bool
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.BoolVar(&c.prune, "prune", false,
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"Remove agent completely from list of members")
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c.flags.BoolVar(&c.wan, "wan", false,
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"Exclusively leave the agent from the WAN serf pool.")
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.PartitionFlag())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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nodes := c.flags.Args()
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if len(nodes) != 1 {
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c.UI.Error("A single node name must be specified to force leave.")
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c.UI.Error("")
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c.UI.Error(c.Help())
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return 1
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}
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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err = client.Agent().ForceLeaveOpts(nodes[0], api.ForceLeaveOpts{
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Prune: c.prune,
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WAN: c.wan,
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})
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error force leaving: %s", err))
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return 1
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}
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return c.help
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}
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const synopsis = "Forces a member of the cluster to enter the \"left\" state"
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const help = `
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Usage: consul force-leave [options] name
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Forces a member of a Consul cluster to enter the "left" state. Note
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that if the member is still actually alive, it will eventually rejoin
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the cluster. This command is most useful for cleaning out "failed" nodes
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that are never coming back. If you do not force leave a failed node,
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Consul will attempt to reconnect to those failed nodes for some period of
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time before eventually reaping them.
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-prune Remove agent completely from list of members
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-wan Exclusively leave the agent from the WAN serf pool.
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`
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