74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
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package command
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import (
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"flag"
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"fmt"
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"strings"
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"github.com/mitchellh/cli"
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)
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type AgentForceLeaveCommand struct {
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Ui cli.Ui
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}
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func (c *AgentForceLeaveCommand) Help() string {
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helpText := `
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Usage: nomad agent-force-leave [options] <node>
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Forces an agent to enter the "left" state. This can be used to
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eject nodes which have failed and will not rejoin the cluster.
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Note that if the member is actually still alive, it will
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eventually rejoin the cluster again.
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Options:
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-help
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Display this message
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-http-addr
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Address of the Nomad API to connect. Can also be specified
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using the environment variable NOMAD_HTTP_ADDR.
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Default = http://127.0.0.1:4646
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`
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return strings.TrimSpace(helpText)
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}
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func (c *AgentForceLeaveCommand) Synopsis() string {
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return "Forces a member to leave the Nomad cluster"
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}
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func (c *AgentForceLeaveCommand) Run(args []string) int {
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var httpAddr *string
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flags := flag.NewFlagSet("agent-force-leave", flag.ContinueOnError)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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httpAddr = httpAddrFlag(flags)
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we got exactly one node
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if len(flags.Args()) != 1 {
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c.Ui.Error(c.Help())
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return 1
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}
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node := flags.Args()[0]
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// Get the HTTP client
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client, err := httpClient(*httpAddr)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Failed initializing Nomad client: %s", err))
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return 1
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}
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// Call force-leave on the node
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if err := client.Agent().ForceLeave(node); err != nil {
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c.Ui.Error(fmt.Sprintf("Failed to force-leave node %s: %s", node, 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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