package command import ( "context" "fmt" "strings" "github.com/hashicorp/terraform/command/clistate" "github.com/mitchellh/cli" "github.com/posener/complete" ) type WorkspaceDeleteCommand struct { Meta LegacyName bool } func (c *WorkspaceDeleteCommand) Run(args []string) int { args, err := c.Meta.process(args, true) if err != nil { return 1 } envCommandShowWarning(c.Ui, c.LegacyName) force := false cmdFlags := c.Meta.flagSet("workspace") cmdFlags.BoolVar(&force, "force", false, "force removal of a non-empty workspace") cmdFlags.Usage = func() { c.Ui.Error(c.Help()) } if err := cmdFlags.Parse(args); err != nil { return 1 } args = cmdFlags.Args() if len(args) == 0 { c.Ui.Error("expected NAME.\n") return cli.RunResultHelp } delEnv := args[0] if !validWorkspaceName(delEnv) { c.Ui.Error(fmt.Sprintf(envInvalidName, delEnv)) return 1 } configPath, err := ModulePath(args[1:]) if err != nil { c.Ui.Error(err.Error()) return 1 } cfg, err := c.Config(configPath) if err != nil { c.Ui.Error(fmt.Sprintf("Failed to load root config module: %s", err)) return 1 } // Load the backend b, err := c.Backend(&BackendOpts{ Config: cfg, }) if err != nil { c.Ui.Error(fmt.Sprintf("Failed to load backend: %s", err)) return 1 } states, err := b.States() if err != nil { c.Ui.Error(err.Error()) return 1 } exists := false for _, s := range states { if delEnv == s { exists = true break } } if !exists { c.Ui.Error(fmt.Sprintf(strings.TrimSpace(envDoesNotExist), delEnv)) return 1 } if delEnv == c.Workspace() { c.Ui.Error(fmt.Sprintf(strings.TrimSpace(envDelCurrent), delEnv)) return 1 } // we need the actual state to see if it's empty sMgr, err := b.State(delEnv) if err != nil { c.Ui.Error(err.Error()) return 1 } var stateLocker clistate.Locker if c.stateLock { stateLocker = clistate.NewLocker(context.Background(), c.stateLockTimeout, c.Ui, c.Colorize()) if err := stateLocker.Lock(sMgr, "workspace_delete"); err != nil { c.Ui.Error(fmt.Sprintf("Error locking state: %s", err)) return 1 } } else { stateLocker = clistate.NewNoopLocker() } if err := sMgr.RefreshState(); err != nil { c.Ui.Error(err.Error()) return 1 } hasResources := sMgr.State().HasResources() if hasResources && !force { c.Ui.Error(fmt.Sprintf(strings.TrimSpace(envNotEmpty), delEnv)) return 1 } // We need to release the lock just before deleting the state, in case // the backend can't remove the resource while holding the lock. This // is currently true for Windows local files. // // TODO: While there is little safety in locking while deleting the // state, it might be nice to be able to coordinate processes around // state deletion, i.e. in a CI environment. Adding Delete() as a // required method of States would allow the removal of the resource to // be delegated from the Backend to the State itself. stateLocker.Unlock(nil) err = b.DeleteState(delEnv) if err != nil { c.Ui.Error(err.Error()) return 1 } c.Ui.Output( c.Colorize().Color( fmt.Sprintf(envDeleted, delEnv), ), ) if hasResources { c.Ui.Output( c.Colorize().Color( fmt.Sprintf(envWarnNotEmpty, delEnv), ), ) } return 0 } func (c *WorkspaceDeleteCommand) AutocompleteArgs() complete.Predictor { return completePredictSequence{ complete.PredictNothing, // the "select" subcommand itself (already matched) c.completePredictWorkspaceName(), complete.PredictDirs(""), } } func (c *WorkspaceDeleteCommand) AutocompleteFlags() complete.Flags { return complete.Flags{ "-force": complete.PredictNothing, } } func (c *WorkspaceDeleteCommand) Help() string { helpText := ` Usage: terraform workspace delete [OPTIONS] NAME [DIR] Delete a Terraform workspace Options: -force remove a non-empty workspace. ` return strings.TrimSpace(helpText) } func (c *WorkspaceDeleteCommand) Synopsis() string { return "Delete a workspace" }