github.com/mysza/terraform@v0.7.6-0.20161011024539-258005408b33/command/state_rm.go (about) 1 package command 2 3 import ( 4 "fmt" 5 "strings" 6 7 "github.com/mitchellh/cli" 8 ) 9 10 // StateRmCommand is a Command implementation that shows a single resource. 11 type StateRmCommand struct { 12 Meta 13 StateMeta 14 } 15 16 func (c *StateRmCommand) Run(args []string) int { 17 args = c.Meta.process(args, true) 18 19 var backupPath string 20 cmdFlags := c.Meta.flagSet("state show") 21 cmdFlags.StringVar(&backupPath, "backup", "", "backup") 22 cmdFlags.StringVar(&c.Meta.statePath, "state", DefaultStateFilename, "path") 23 if err := cmdFlags.Parse(args); err != nil { 24 return cli.RunResultHelp 25 } 26 args = cmdFlags.Args() 27 28 state, err := c.StateMeta.State(&c.Meta) 29 if err != nil { 30 c.Ui.Error(fmt.Sprintf(errStateLoadingState, err)) 31 return cli.RunResultHelp 32 } 33 34 stateReal := state.State() 35 if stateReal == nil { 36 c.Ui.Error(fmt.Sprintf(errStateNotFound)) 37 return 1 38 } 39 40 if err := stateReal.Remove(args...); err != nil { 41 c.Ui.Error(fmt.Sprintf(errStateRm, err)) 42 return 1 43 } 44 45 if err := state.WriteState(stateReal); err != nil { 46 c.Ui.Error(fmt.Sprintf(errStateRmPersist, err)) 47 return 1 48 } 49 50 if err := state.PersistState(); err != nil { 51 c.Ui.Error(fmt.Sprintf(errStateRmPersist, err)) 52 return 1 53 } 54 55 c.Ui.Output("Item removal successful.") 56 return 0 57 } 58 59 func (c *StateRmCommand) Help() string { 60 helpText := ` 61 Usage: terraform state rm [options] ADDRESS... 62 63 Remove one or more items from the Terraform state. 64 65 This command removes one or more items from the Terraform state based 66 on the address given. You can view and list the available resources 67 with "terraform state list". 68 69 This command creates a timestamped backup of the state on every invocation. 70 This can't be disabled. Due to the destructive nature of this command, 71 the backup is ensured by Terraform for safety reasons. 72 73 Options: 74 75 -backup=PATH Path where Terraform should write the backup 76 state. This can't be disabled. If not set, Terraform 77 will write it to the same path as the statefile with 78 a backup extension. 79 80 -state=statefile Path to a Terraform state file to use to look 81 up Terraform-managed resources. By default it will 82 use the state "terraform.tfstate" if it exists. 83 84 ` 85 return strings.TrimSpace(helpText) 86 } 87 88 func (c *StateRmCommand) Synopsis() string { 89 return "Remove an item from the state" 90 } 91 92 const errStateRm = `Error removing items from the state: %s 93 94 The state was not saved. No items were removed from the persisted 95 state. No backup was created since no modification occurred. Please 96 resolve the issue above and try again.` 97 98 const errStateRmPersist = `Error saving the state: %s 99 100 The state was not saved. No items were removed from the persisted 101 state. No backup was created since no modification occurred. Please 102 resolve the issue above and try again.`