Fix examples and print preview feature warnings (#927)

* Fix examples and print preview feature warnings

Signed-off-by: Mukundan Sundararajan <msundar.ms@outlook.com>

* small changes to wordings

Signed-off-by: Mukundan Sundararajan <msundar.ms@outlook.com>

README.md

@@ -442,7 +442,13 @@ This can be used when upgrading to a newer version of Dapr, as it's recommended
 To list all Dapr components on Kubernetes:
 
 ```bash
-dapr components --kubernetes
+dapr components --kubernetes --all-namespaces
+```
+
+To list Dapr components in `target-namespace` namespace on Kubernetes:
+
+```bash
+dapr components --kubernetes --namespace target-namespace
 ```
 
 ### Use non-default Components Path
@@ -459,7 +465,13 @@ dapr run --components-path [custom path]
 To list all Dapr configurations on Kubernetes:
 
 ```bash
-dapr configurations --kubernetes
+dapr configurations --kubernetes --all-namespaces
+```
+
+To list Dapr configurations in `target-namespace` namespace on Kubernetes:
+
+```bash
+dapr configurations --kubernetes --namespace target-namespace
 ```
 
 ### Stop
@@ -555,22 +567,6 @@ If you want to invoke your app, also use this flag:
 $ dapr invoke --app-id nodeapp --unix-domain-socket --method mymethod
 ```
 
-### Enable Unix domain socket
-
-In order to enable Unix domain socket to connect Dapr API server, use the `--unix-domain-socket` flag:
-
-```
-$ dapr run --app-id nodeapp --unix-domain-socket node app.js
-```
-
-Dapr will automatically create a Unix domain socket to connect Dapr API server.
-
-If you want to invoke your app, also use this flag:
-
-```
-$ dapr invoke --app-id nodeapp --unix-domain-socket --method mymethod
-```
-
 For more details, please run the command and check the examples to apply to your shell.
 
 ## Reference for the Dapr CLI

cmd/components.go

@@ -34,15 +34,11 @@ var ComponentsCmd = &cobra.Command{
 	Short: "List all Dapr components. Supported platforms: Kubernetes",
 	Run: func(cmd *cobra.Command, args []string) {
 		if kubernetesMode {
-			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the -n (namespace) flag, for specific namespace, or -A (all-namespaces) flag for all namespaces.")
+			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the --namespace flag for a specific namespace, or the --all-namespaces (-A) flag for all namespaces.")
 			if allNamespaces {
 				resourceNamespace = meta_v1.NamespaceAll
 			} else if resourceNamespace == "" {
 				resourceNamespace = meta_v1.NamespaceAll
-				print.WarningStatusEvent(os.Stdout, "From next release(or after 2 releases), behavior can be changed to query only \"default\" namespace.")
-			}
-			if componentsName != "" {
-				print.WarningStatusEvent(os.Stdout, "From next release(or after 2 releases), behavior can be changed to treat it as \"namespace\".")
 			}
 			err := kubernetes.PrintComponents(componentsName, resourceNamespace, componentsOutputFormat)
 			if err != nil {
@@ -55,16 +51,16 @@ var ComponentsCmd = &cobra.Command{
 		kubernetes.CheckForCertExpiry()
 	},
 	Example: `
-# List all namespace Dapr components in Kubernetes mode
+# List Dapr components in all namespaces in Kubernetes mode
 dapr components -k
 
-# List define namespace Dapr components in Kubernetes mode
+# List Dapr components in specific namespace in Kubernetes mode
 dapr components -k --namespace default
 
-# Print define name Dapr components in Kubernetes mode
+# Print specific Dapr component in Kubernetes mode
 dapr components -k -n target
 
-# List all namespaces Dapr components in Kubernetes mode
+# List Dapr components in all namespaces in Kubernetes mode
 dapr components -k --all-namespaces
 `,
 }

cmd/configurations.go

@@ -34,15 +34,11 @@ var ConfigurationsCmd = &cobra.Command{
 	Short: "List all Dapr configurations. Supported platforms: Kubernetes",
 	Run: func(cmd *cobra.Command, args []string) {
 		if kubernetesMode {
-			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the -n (namespace) flag, for specific namespace, or -A (all-namespaces) flag for all namespaces.")
+			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the --namespace flag for a specific namespace, or the --all-namespaces (-A) flag for all namespaces.")
 			if allNamespaces {
 				resourceNamespace = meta_v1.NamespaceAll
 			} else if resourceNamespace == "" {
 				resourceNamespace = meta_v1.NamespaceAll
-				print.WarningStatusEvent(os.Stdout, "From next release(or after 2 releases), behavior can be changed to query only \"default\" namespace.")
-			}
-			if configurationName != "" {
-				print.WarningStatusEvent(os.Stdout, "From next release(or after 2 releases), behavior can be changed to treat it as \"namespace\".")
 			}
 			err := kubernetes.PrintConfigurations(configurationName, resourceNamespace, configurationOutputFormat)
 			if err != nil {
@@ -55,16 +51,16 @@ var ConfigurationsCmd = &cobra.Command{
 		kubernetes.CheckForCertExpiry()
 	},
 	Example: `
-# List all namespace Dapr configurations in Kubernetes mode
+# List Dapr configurations in all namespaces in Kubernetes mode
 dapr configurations -k
 
-# List define namespace Dapr configurations in Kubernetes mode
+# List Dapr configurations in specific namespace in Kubernetes mode
 dapr configurations -k --namespace default
 
-# Print define name Dapr configurations in Kubernetes mode
+# Print specific Dapr configuration in Kubernetes mode
 dapr configurations -k -n target
 
-# List all namespaces Dapr configurations in Kubernetes mode
+# List Dapr configurations in all namespaces in Kubernetes mode
 dapr configurations -k --all-namespaces
 `,
 }

cmd/init.go

@@ -70,6 +70,9 @@ dapr init -k --runtime-version 0.10.0
 # Initialize Dapr in slim self-hosted mode
 dapr init -s
 
+# Initialize Dapr from a directory (installer-bundle installation) (Preview feature)
+dapr init --from-dir <path-to-directory>
+
 # See more at: https://docs.dapr.io/getting-started/
 `,
 	Run: func(cmd *cobra.Command, args []string) {
@@ -100,6 +103,9 @@ dapr init -s
 				dockerNetwork = viper.GetString("network")
 				imageRepositoryURL = viper.GetString("image-repository")
 			}
+			if fromDir != "" {
+				print.WarningStatusEvent(os.Stdout, "Local bundle installation using from-dir flag is currently a preview feature.")
+			}
 			err := standalone.Init(runtimeVersion, dashboardVersion, dockerNetwork, slimMode, imageRepositoryURL, fromDir)
 			if err != nil {
 				print.FailureStatusEvent(os.Stderr, err.Error())

cmd/list.go

@@ -61,13 +61,13 @@ var ListCmd = &cobra.Command{
 # List Dapr instances in self-hosted mode
 dapr list
 
-# List all namespace Dapr instances in Kubernetes mode
+# List Dapr instances in all namespaces in Kubernetes mode
 dapr list -k
 
-# List define namespace Dapr instances in Kubernetes mode
+# List Dapr instances in a specific namespace in Kubernetes mode
 dapr list -k --namespace default
 
-# List all namespaces Dapr instances in Kubernetes mode
+# List Dapr instances in all namespaces in  Kubernetes mode
 dapr list -k --all-namespaces
 `,
 	PreRun: func(cmd *cobra.Command, args []string) {
@@ -78,12 +78,11 @@ dapr list -k --all-namespaces
 	},
 	Run: func(cmd *cobra.Command, args []string) {
 		if kubernetesMode {
-			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the -n (namespace) flag, for specific namespace, or -A (all-namespaces) flag for all namespaces.")
+			print.WarningStatusEvent(os.Stdout, "In future releases, this command will only query the \"default\" namespace by default. Please use the --namespace flag for a specific namespace, or the --all-namespaces (-A) flag for all namespaces.")
 			if allNamespaces {
 				resourceNamespace = meta_v1.NamespaceAll
 			} else if resourceNamespace == "" {
 				resourceNamespace = meta_v1.NamespaceAll
-				print.WarningStatusEvent(os.Stdout, "From next release(or after 2 releases), behavior can be changed to query only \"default\" namespace.")
 			}
 
 			list, err := kubernetes.List(resourceNamespace)

pkg/standalone/standalone.go

@@ -151,6 +151,8 @@ func Init(runtimeVersion, dashboardVersion string, dockerNetwork string, slimMod
 		v1, v2 := parseVersionFile(fromDir)
 		if v1 != "" && v2 != "" {
 			runtimeVersion, dashboardVersion = v1, v2
+		} else {
+			return fmt.Errorf("runtime and dashboard versions cannot be parsed from version file in directory")
 		}
 	}
 

tests/e2e/common/common.go

@@ -533,7 +533,7 @@ func componentsTestOnUninstall(all bool) func(t *testing.T) {
 		lines := strings.Split(output, "\n")
 
 		// An extra empty line is there in output.
-		require.Equal(t, 4, len(lines), "expected header and warning message of the output to remain")
+		require.Equal(t, 3, len(lines), "expected header and warning message of the output to remain")
 	}
 }
 
@@ -555,24 +555,24 @@ func componentOutputCheck(t *testing.T, output string, all bool) {
 	}
 
 	if all {
-		assert.Equal(t, len(lines), 3, "expected at 0 components and 3 message items")
+		assert.Equal(t, 2, len(lines), "expected at 0 components and 2 output lines")
 		return
 	}
 
-	lines = strings.Split(output, "\n")[3:] // remove header and warning message.
+	lines = strings.Split(output, "\n")[2:] // remove header and warning message.
 
-	assert.Equal(t, len(lines), 2, "expect at 2 componets") // default and test namespace components.
+	assert.Equal(t, 2, len(lines), "expected 2 componets") // default and test namespace components.
 
 	// for fresh cluster only one component yaml has been applied.
 	testNsFields := strings.Fields(lines[0])
 	defaultNsFields := strings.Fields(lines[1])
 
 	// Fields splits on space, so Created time field might be split again.
-	defineComponentOutputCheck(t, testNsFields, "test")
+	namespaceComponentOutputCheck(t, testNsFields, "test")
-	defineComponentOutputCheck(t, defaultNsFields, "default")
+	namespaceComponentOutputCheck(t, defaultNsFields, "default")
 }
 
-func defineComponentOutputCheck(t *testing.T, fields []string, namespace string) {
+func namespaceComponentOutputCheck(t *testing.T, fields []string, namespace string) {
 	assert.GreaterOrEqual(t, len(fields), 6, "expected at least 6 fields in components output")
 	assert.Equal(t, namespace, fields[0], "expected name to match")
 	assert.Equal(t, "statestore", fields[1], "expected name to match")