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operator_raft_remove_peer.go
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/
operator_raft_remove_peer.go
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package command
import (
"fmt"
"strings"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
var (
_ cli.Command = (*OperatorRaftRemovePeerCommand)(nil)
_ cli.CommandAutocomplete = (*OperatorRaftRemovePeerCommand)(nil)
)
type OperatorRaftRemovePeerCommand struct {
*BaseCommand
flagDRToken string
}
func (c *OperatorRaftRemovePeerCommand) Synopsis() string {
return "Removes a node from the Raft cluster"
}
func (c *OperatorRaftRemovePeerCommand) Help() string {
helpText := `
Usage: vault operator raft remove-peer <server_id>
Removes a node from the Raft cluster.
$ vault operator raft remove-peer node1
` + c.Flags().Help()
return strings.TrimSpace(helpText)
}
func (c *OperatorRaftRemovePeerCommand) Flags() *FlagSets {
set := c.flagSet(FlagSetHTTP | FlagSetOutputFormat)
f := set.NewFlagSet("Command Options")
f.StringVar(&StringVar{
Name: "dr-token",
Target: &c.flagDRToken,
Default: "",
EnvVar: "",
Completion: complete.PredictAnything,
Usage: "DR operation token used to authorize this request (if a DR secondary node).",
})
return set
}
func (c *OperatorRaftRemovePeerCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictAnything
}
func (c *OperatorRaftRemovePeerCommand) AutocompleteFlags() complete.Flags {
return c.Flags().Completions()
}
func (c *OperatorRaftRemovePeerCommand) Run(args []string) int {
f := c.Flags()
if err := f.Parse(args); err != nil {
c.UI.Error(err.Error())
return 1
}
serverID := ""
args = f.Args()
switch len(args) {
case 1:
serverID = strings.TrimSpace(args[0])
default:
c.UI.Error(fmt.Sprintf("Incorrect arguments (expected 1, got %d)", len(args)))
return 1
}
if len(serverID) == 0 {
c.UI.Error("Server id is required")
return 1
}
client, err := c.Client()
if err != nil {
c.UI.Error(err.Error())
return 2
}
_, err = client.Logical().Write("sys/storage/raft/remove-peer", map[string]interface{}{
"server_id": serverID,
"dr_operation_token": c.flagDRToken,
})
if err != nil {
c.UI.Error(fmt.Sprintf("Error removing the peer from raft cluster: %s", err))
return 2
}
c.UI.Output("Peer removed successfully!")
return 0
}