github.com/anth0d/nomad@v0.0.0-20221214183521-ae3a0a2cad06/command/operator_gossip_keyring.go (about) 1 package command 2 3 import ( 4 "strings" 5 6 "github.com/mitchellh/cli" 7 "github.com/posener/complete" 8 ) 9 10 // OperatorGossipKeyringCommand is a Command implementation that 11 // handles querying, installing, and removing gossip encryption keys 12 // from a keyring. 13 type OperatorGossipKeyringCommand struct { 14 Meta 15 } 16 17 func (c *OperatorGossipKeyringCommand) Help() string { 18 helpText := ` 19 Usage: nomad operator gossip keyring [options] 20 21 Manages encryption keys used for gossip messages between Nomad servers. Gossip 22 encryption is optional. When enabled, this command may be used to examine 23 active encryption keys in the cluster, add new keys, and remove old ones. When 24 combined, this functionality provides the ability to perform key rotation 25 cluster-wide, without disrupting the cluster. 26 27 Generate an encryption key: 28 29 $ nomad operator gossip keyring generate 30 31 List all gossip encryption keys: 32 33 $ nomad operator gossip keyring list 34 35 Remove an encryption key from the keyring: 36 37 $ nomad operator gossip keyring remove <key> 38 39 Install an encryption key from backup: 40 41 $ nomad operator gossip keyring install <key> 42 43 Use an already-installed encryption key: 44 45 $ nomad operator gossip keyring use <key> 46 47 Please see individual subcommand help for detailed usage information. 48 49 General Options: 50 51 ` + generalOptionsUsage(usageOptsDefault|usageOptsNoNamespace) 52 53 return strings.TrimSpace(helpText) 54 } 55 56 func (c *OperatorGossipKeyringCommand) Synopsis() string { 57 return "Manages gossip layer encryption keys" 58 } 59 60 func (c *OperatorGossipKeyringCommand) AutocompleteFlags() complete.Flags { 61 return c.Meta.AutocompleteFlags(FlagSetClient) 62 } 63 64 func (c *OperatorGossipKeyringCommand) AutocompleteArgs() complete.Predictor { 65 return complete.PredictNothing 66 } 67 68 func (c *OperatorGossipKeyringCommand) Name() string { return "operator gossip keyring" } 69 70 func (c *OperatorGossipKeyringCommand) Run(args []string) int { 71 return cli.RunResultHelp 72 }