open-nomad/command/agent_force_leave.go

61 lines
1.3 KiB
Go

package command
import (
"fmt"
"strings"
)
type AgentForceLeaveCommand struct {
Meta
}
func (c *AgentForceLeaveCommand) Help() string {
helpText := `
Usage: nomad agent-force-leave [options] <node>
Forces an agent to enter the "left" state. This can be used to
eject nodes which have failed and will not rejoin the cluster.
Note that if the member is actually still alive, it will
eventually rejoin the cluster again.
General Options:
` + generalOptionsUsage()
return strings.TrimSpace(helpText)
}
func (c *AgentForceLeaveCommand) Synopsis() string {
return "Force a member into the 'left' state"
}
func (c *AgentForceLeaveCommand) Run(args []string) int {
flags := c.Meta.FlagSet("force-leave", FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got exactly one node
args = flags.Args()
if len(args) != 1 {
c.Ui.Error(c.Help())
return 1
}
node := args[0]
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Call force-leave on the node
if err := client.Agent().ForceLeave(node); err != nil {
c.Ui.Error(fmt.Sprintf("Error force-leaving node %s: %s", node, err))
return 1
}
return 0
}