bt: add dry-run

bt/terraform/apply.go

@@ -15,11 +15,13 @@ import (
 
 func applyCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("apply", "")
+	opt.Bool("dry-run", false)
 	opt.SetCommandFn(applyRun)
 	return opt
 }
 
 func applyRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
+	dryRun := opt.Value("dry-run").(bool)
 	ws := opt.Value("ws").(string)
 	profile := opt.Value("profile").(string)
 
@@ -67,7 +69,7 @@ func applyRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error
 	cmd = append(cmd, args...)
 	dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 	Logger.Printf("export %s\n", dataDir)
-	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir)
+	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 	if ws != "" {
 		wsEnv := fmt.Sprintf("TF_WORKSPACE=%s", ws)
 		Logger.Printf("export %s\n", wsEnv)
@@ -79,6 +81,10 @@ func applyRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error
 		return fmt.Errorf("failed to run: %w", err)
 	}
 
+	if dryRun {
+		return nil
+	}
+
 	fh, err := os.Create(applyFile)
 	if err != nil {
 		return fmt.Errorf("failed to create file: %w", err)

bt/terraform/build.go

@@ -16,6 +16,7 @@ func buildCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt
 	opt := parent.NewCommand("build", "Wraps init, plan and apply into a single operation with a cache")
 	opt.SetCommandFn(buildRun)
 	opt.StringSlice("var-file", 1, 1)
+	opt.Bool("dry-run", false)
 	opt.Bool("destroy", false)
 	opt.Bool("detailed-exitcode", false)
 	opt.Bool("ignore-cache", false, opt.Description("Ignore the cache and re-run the plan"), opt.Alias("ic"))

bt/terraform/checks.go

@@ -15,6 +15,7 @@ import (
 
 func checksCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("checks", "Run pre-apply checks against the latest plan")
+	opt.Bool("dry-run", false)
 	opt.StringSlice("var-file", 1, 1)
 	opt.Bool("no-checks", false, opt.Description("Do not run pre-apply checks"), opt.Alias("nc"))
 	opt.Bool("ignore-cache", false, opt.Description("ignore the cache and re-run the checks"), opt.Alias("ic"))
@@ -24,6 +25,7 @@ func checksCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOp
 }
 
 func checksRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
+	dryRun := opt.Value("dry-run").(bool)
 	profile := opt.Value("profile").(string)
 	varFiles := opt.Value("var-file").([]string)
 	ws := opt.Value("ws").(string)
@@ -35,14 +37,15 @@ func checksRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error
 	}
 
 	cfg := config.ConfigFromContext(ctx)
+	dir := DirFromContext(ctx)
 	LogConfig(cfg, profile)
 
 	ws, err := updateWSIfSelected(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile), ws)
 	if err != nil {
 		return err
 	}
 
-	cwd, err := os.Getwd()
+	cwd, err := filepath.Abs(dir)
 	if err != nil {
 		return fmt.Errorf("failed to get current dir: %w", err)
 	}
@@ -114,7 +117,7 @@ func checksRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error
 	cmd := []string{cfg.TFProfile[cfg.Profile(profile)].BinaryName, "show", "-json", planFile}
 	dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 	Logger.Printf("export %s\n", dataDir)
-	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir)
+	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 	out, err := ri.STDOutOutput()
 	if err != nil {
 		return fmt.Errorf("failed to get plan json output: %w", err)
@@ -132,13 +135,17 @@ func checksRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error
 		if err != nil {
 			return fmt.Errorf("failed to expand: %w", err)
 		}
-		ri := run.CMDCtx(ctx, exp...).Stdin().Log().Env(dataDir)
+		ri := run.CMDCtx(ctx, exp...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 		err = ri.Run()
 		if err != nil {
 			return fmt.Errorf("failed to run: %w", err)
 		}
 	}
 
+	if dryRun {
+		return nil
+	}
+
 	fh, err := os.Create(checkFile)
 	if err != nil {
 		return fmt.Errorf("failed to create file: %w", err)

bt/terraform/init.go

@@ -16,11 +16,13 @@ import (
 
 func initCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("init", "")
+	opt.Bool("dry-run", false)
 	opt.SetCommandFn(initRun)
 	return opt
 }
 
 func initRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
+	dryRun := opt.Value("dry-run").(bool)
 	profile := opt.Value("profile").(string)
 
 	cfg := config.ConfigFromContext(ctx)
@@ -47,10 +49,15 @@ func initRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
 	cmd = append(cmd, args...)
 	dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 	Logger.Printf("export %s\n", dataDir)
-	err := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).Run()
+	err := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun).Run()
 	if err != nil {
 		return fmt.Errorf("failed to run: %w", err)
 	}
+
+	if dryRun {
+		return nil
+	}
+
 	initFile := filepath.Join(dir, ".tf.init")
 	fh, err := os.Create(initFile)
 	if err != nil {

bt/terraform/plan.go

@@ -19,10 +19,11 @@ import (
 
 func planCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("plan", "")
-	opt.StringSlice("var-file", 1, 1)
+	opt.Bool("dry-run", false)
 	opt.Bool("destroy", false)
 	opt.Bool("detailed-exitcode", false)
 	opt.Bool("ignore-cache", false, opt.Description("ignore the cache and re-run the plan"), opt.Alias("ic"))
+	opt.StringSlice("var-file", 1, 1)
 	opt.StringSlice("target", 1, 99)
 	opt.StringSlice("replace", 1, 99)
 	opt.SetCommandFn(planRun)
@@ -31,6 +32,7 @@ func planCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt
 }
 
 func planRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
+	dryRun := opt.Value("dry-run").(bool)
 	profile := opt.Value("profile").(string)
 	destroy := opt.Value("destroy").(bool)
 	detailedExitcode := opt.Value("detailed-exitcode").(bool)
@@ -176,7 +178,7 @@ func planRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
 
 	dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 	Logger.Printf("export %s\n", dataDir)
-	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir)
+	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 	if ws != "" {
 		wsEnv := fmt.Sprintf("TF_WORKSPACE=%s", ws)
 		Logger.Printf("export %s\n", wsEnv)

bt/terraform/show.go

@@ -9,6 +9,7 @@ import (
 
 func showCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("show", "")
+	opt.Bool("dry-run", false)
 	opt.SetCommandFn(showRun)
 	return opt
 }

bt/terraform/show_plan.go

@@ -13,15 +13,18 @@ import (
 
 func showPlanCMD(ctx context.Context, parent *getoptions.GetOpt) *getoptions.GetOpt {
 	opt := parent.NewCommand("show-plan", "Show the cached terraform plan")
+	opt.Bool("dry-run", false)
 	opt.SetCommandFn(showPlanRun)
 	return opt
 }
 
 func showPlanRun(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
+	dryRun := opt.Value("dry-run").(bool)
 	profile := opt.Value("profile").(string)
 	ws := opt.Value("ws").(string)
 
 	cfg := config.ConfigFromContext(ctx)
+	dir := DirFromContext(ctx)
 	LogConfig(cfg, profile)
 
 	ws, err := updateWSIfSelected(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile), ws)
@@ -50,7 +53,7 @@ func showPlanRun(ctx context.Context, opt *getoptions.GetOpt, args []string) err
 	}
 	dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 	Logger.Printf("export %s\n", dataDir)
-	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir)
+	ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 	if ws != "" {
 		wsEnv := fmt.Sprintf("TF_WORKSPACE=%s", ws)
 		Logger.Printf("export %s\n", wsEnv)

bt/terraform/ws_cmd.go

@@ -15,8 +15,13 @@ func wsCMDRun(cmd ...string) getoptions.CommandFn {
 	return func(ctx context.Context, opt *getoptions.GetOpt, args []string) error {
 		profile := opt.Value("profile").(string)
 		ws := opt.Value("ws").(string)
+		dryRun := false
+		if opt.Value("dry-run") != nil {
+			dryRun = opt.Value("dry-run").(bool)
+		}
 
 		cfg := config.ConfigFromContext(ctx)
+		dir := DirFromContext(ctx)
 		LogConfig(cfg, profile)
 
 		ws, err := updateWSIfSelected(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile), ws)
@@ -45,7 +50,7 @@ func wsCMDRun(cmd ...string) getoptions.CommandFn {
 		cmd = append(cmd, args...)
 		dataDir := fmt.Sprintf("TF_DATA_DIR=%s", getDataDir(cfg.Config.DefaultTerraformProfile, cfg.Profile(profile)))
 		Logger.Printf("export %s\n", dataDir)
-		ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir)
+		ri := run.CMDCtx(ctx, cmd...).Stdin().Log().Env(dataDir).Dir(dir).DryRun(dryRun)
 		if ws != "" {
 			wsEnv := fmt.Sprintf("TF_WORKSPACE=%s", ws)
 			Logger.Printf("export %s\n", wsEnv)