feat: dry-run's client/server/none options with backwards compat

DOCS.md

@@ -340,7 +340,7 @@ The following parameters are used to configure the `apply` action:
 
 | Name      | Description                                      | Required | Default | Environment Variables                       |
 | --------- | ------------------------------------------------ | -------- | ------- | ------------------------------------------- |
-| `dry_run` | enables pretending to perform the apply          | `false`  | `false` | `PARAMETER_DRY_RUN`<br>`KUBERNETES_DRY_RUN` |
+| `dry_run` | enables pretending to perform the apply (`true`/`client`, `false`/`none`, `server`)          | `false`  | `false` | `PARAMETER_DRY_RUN`<br>`KUBERNETES_DRY_RUN` |
 | `files`   | list of Kubernetes files or directories to apply | `true`   | `N/A`   | `PARAMETER_FILES`<br>`KUBERNETES_FILES`     |
 | `output`  | set the output for the apply                     | `false`  | `N/A`   | `PARAMETER_OUTPUT`<br>`KUBERNETES_OUTPUT`   |
 

cmd/vela-kubernetes/apply.go

@@ -16,7 +16,7 @@ const applyAction = "apply"
 // Apply represents the plugin configuration for Apply config information.
 type Apply struct {
 	// enables pretending to apply the files
-	DryRun bool
+	DryRun string
 	// Kubernetes files or directories to apply
 	Files []string
 	// sets the output for the apply command
@@ -59,7 +59,19 @@ func (a *Apply) Command(c *Config, file string) *exec.Cmd {
 	flags = append(flags, "apply")
 
 	// add flag for dry run from provided apply dry run
-	flags = append(flags, fmt.Sprintf("--dry-run=%t", a.DryRun))
+	if len(a.DryRun) > 0 {
+		dryRunOpt := "none"
+		switch a.DryRun {
+		case "true":
+			dryRunOpt = "client"
+		case "false":
+			dryRunOpt = "none"
+		default:
+			dryRunOpt = a.DryRun
+		}
+
+		flags = append(flags, fmt.Sprintf("--dry-run=%s", dryRunOpt))
+	}
 
 	// add flag for file from provided apply file
 	flags = append(flags, fmt.Sprintf("--filename=%s", file))

cmd/vela-kubernetes/apply_test.go

@@ -23,7 +23,7 @@ func TestKubernetes_Apply_Command(t *testing.T) {
 	}
 
 	a := &Apply{
-		DryRun: false,
+		DryRun: "false",
 		Files:  []string{"apply.yml"},
 		Output: "json",
 	}
@@ -37,7 +37,83 @@ func TestKubernetes_Apply_Command(t *testing.T) {
 			fmt.Sprintf("--context=%s", c.Context),
 			fmt.Sprintf("--namespace=%s", c.Namespace),
 			"apply",
-			fmt.Sprintf("--dry-run=%t", a.DryRun),
+			fmt.Sprintf("--dry-run=none"),
+			fmt.Sprintf("--filename=%s", file),
+			fmt.Sprintf("--output=%s", a.Output),
+		)
+
+		got := a.Command(c, file)
+
+		if !reflect.DeepEqual(got, want) {
+			t.Errorf("Command is %v, want %v", got, want)
+		}
+	}
+}
+func TestKubernetes_Apply_Command_WithDryRunTrue(t *testing.T) {
+	// setup types
+	c := &Config{
+		Action:    "apply",
+		Cluster:   "cluster",
+		Context:   "context",
+		File:      "file",
+		Namespace: "namespace",
+		Path:      "~/.kube/config",
+	}
+
+	a := &Apply{
+		DryRun: "true",
+		Files:  []string{"apply.yml"},
+		Output: "json",
+	}
+
+	// nolint: gosec // testing purposes
+	for _, file := range a.Files {
+		want := exec.Command(
+			_kubectl,
+			fmt.Sprintf("--kubeconfig=%s", c.Path),
+			fmt.Sprintf("--cluster=%s", c.Cluster),
+			fmt.Sprintf("--context=%s", c.Context),
+			fmt.Sprintf("--namespace=%s", c.Namespace),
+			"apply",
+			fmt.Sprintf("--dry-run=client"),
+			fmt.Sprintf("--filename=%s", file),
+			fmt.Sprintf("--output=%s", a.Output),
+		)
+
+		got := a.Command(c, file)
+
+		if !reflect.DeepEqual(got, want) {
+			t.Errorf("Command is %v, want %v", got, want)
+		}
+	}
+}
+func TestKubernetes_Apply_Command_WithDryRunAnythingNonBoolean(t *testing.T) {
+	// setup types
+	c := &Config{
+		Action:    "apply",
+		Cluster:   "cluster",
+		Context:   "context",
+		File:      "file",
+		Namespace: "namespace",
+		Path:      "~/.kube/config",
+	}
+
+	a := &Apply{
+		DryRun: "server",
+		Files:  []string{"apply.yml"},
+		Output: "json",
+	}
+
+	// nolint: gosec // testing purposes
+	for _, file := range a.Files {
+		want := exec.Command(
+			_kubectl,
+			fmt.Sprintf("--kubeconfig=%s", c.Path),
+			fmt.Sprintf("--cluster=%s", c.Cluster),
+			fmt.Sprintf("--context=%s", c.Context),
+			fmt.Sprintf("--namespace=%s", c.Namespace),
+			"apply",
+			fmt.Sprintf("--dry-run=%s", a.DryRun),
 			fmt.Sprintf("--filename=%s", file),
 			fmt.Sprintf("--output=%s", a.Output),
 		)
@@ -61,7 +137,7 @@ func TestKubernetes_Apply_Exec_Error(t *testing.T) {
 	}
 
 	a := &Apply{
-		DryRun: false,
+		DryRun: "false",
 		Files:  []string{"apply.yml"},
 		Output: "json",
 	}
@@ -75,7 +151,7 @@ func TestKubernetes_Apply_Exec_Error(t *testing.T) {
 func TestKubernetes_Apply_Validate(t *testing.T) {
 	// setup types
 	a := &Apply{
-		DryRun: false,
+		DryRun: "false",
 		Files:  []string{"apply.yml"},
 		Output: "json",
 	}
@@ -89,7 +165,7 @@ func TestKubernetes_Apply_Validate(t *testing.T) {
 func TestKubernetes_Apply_Validate_NoFiles(t *testing.T) {
 	// setup types
 	a := &Apply{
-		DryRun: false,
+		DryRun: "false",
 		Output: "json",
 	}
 

cmd/vela-kubernetes/main.go

@@ -211,7 +211,7 @@ func run(c *cli.Context) error {
 	p := &Plugin{
 		// apply configuration
 		Apply: &Apply{
-			DryRun: c.Bool("dry_run"),
+			DryRun: c.String("dry_run"),
 			Files:  c.StringSlice("files"),
 			Output: c.String("output"),
 		},

cmd/vela-kubernetes/plugin_test.go

@@ -18,7 +18,7 @@ func TestKubernetes_Plugin_Exec_Apply_Error(t *testing.T) {
 	// setup types
 	p := &Plugin{
 		Apply: &Apply{
-			DryRun: false,
+			DryRun: "false",
 			Files:  []string{"apply.yml"},
 			Output: "json",
 		},
@@ -109,7 +109,7 @@ func TestKubernetes_Plugin_Validate_Apply(t *testing.T) {
 	// setup types
 	p := &Plugin{
 		Apply: &Apply{
-			DryRun: false,
+			DryRun: "false",
 			Files:  []string{"apply.yml"},
 			Output: "json",
 		},