open-nomad/command/operator_gossip_keyring_use.go

91 lines
2.3 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package command
import (
"fmt"
"strings"
"github.com/mitchellh/cli"
"github.com/posener/complete"
)
// OperatorGossipKeyringUseCommand is a Command implementation that
// handles setting the gossip encryption key from a keyring
type OperatorGossipKeyringUseCommand struct {
Meta
}
func (c *OperatorGossipKeyringUseCommand) Help() string {
helpText := `
Usage: nomad operator gossip keyring use [options] <key>
Change the encryption key used for gossip. The key must already be installed
before this operator can succeed.
This command can only be run against server nodes. It returns 0 if all nodes
reply and there are no errors. If any node fails to reply or reports failure,
the exit code will be 1.
If ACLs are enabled, this command requires a token with the 'agent:write'
capability.
General Options:
` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace)
return strings.TrimSpace(helpText)
}
func (c *OperatorGossipKeyringUseCommand) Synopsis() string {
return "Change the gossip encryption key"
}
func (c *OperatorGossipKeyringUseCommand) AutocompleteFlags() complete.Flags {
return c.Meta.AutocompleteFlags(FlagSetClient)
}
func (c *OperatorGossipKeyringUseCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictAnything
}
func (c *OperatorGossipKeyringUseCommand) Name() string { return "operator gossip keyring use" }
func (c *OperatorGossipKeyringUseCommand) Run(args []string) int {
flags := c.Meta.FlagSet("operator-gossip-keyring-use", FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
if err := flags.Parse(args); err != nil {
return 1
}
c.Ui = &cli.PrefixedUi{
OutputPrefix: "",
InfoPrefix: "==> ",
ErrorPrefix: "",
Ui: c.Ui,
}
args = flags.Args()
if len(args) != 1 {
c.Ui.Error("This command requires one argument: <key>")
c.Ui.Error(commandErrorText(c))
return 1
}
useKey := args[0]
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error creating nomad cli client: %s", err))
return 1
}
c.Ui.Output("Changing primary gossip encryption key...")
_, err = client.Agent().UseKey(useKey)
if err != nil {
c.Ui.Error(fmt.Sprintf("error: %s", err))
return 1
}
return 0
}