Add note about being in preview

src/command_modules/azure-cli-acr/azure/cli/command_modules/acr/_help.py

@@ -10,16 +10,19 @@
 helps['acr'] = """
             type: group
             short-summary: Manage Azure container registries.
+            long-summary: These commands are in preview.
             """
 
 helps['acr credential'] = """
             type: group
             short-summary: Manage administrator login credentials for Azure container registries.
+            long-summary: These commands are in preview.
             """
 
 helps['acr repository'] = """
             type: group
             short-summary: Manage repositories for Azure container registries.
+            long-summary: These commands are in preview.
             """
 
 helps['acr list'] = """

src/command_modules/azure-cli-container/azure/cli/command_modules/container/_help.py

@@ -8,14 +8,17 @@
 helps['container'] = """
     type: group
     short-summary: "Set up automated builds and deployments for multi-container Docker applications."
+    long-summary: These commands are in preview.
 """
 
 helps['container release'] = """
     type: group
     short-summary: "Set up automated builds and deployments for a multi-container Docker application."
+    long-summary: These commands are in preview.
 """
 
 helps['container build'] = """
     type: group
     short-summary: "Set up automated builds for a multi-container Docker application."
+    long-summary: These commands are in preview.
 """

src/command_modules/azure-cli-datalake/azure/cli/command_modules/datalake/analytics/_help.py

@@ -9,17 +9,19 @@
 helps['datalake'] = """
     type: group
     short-summary: Access to Data Lake Store and Analytics management
-    long-summary: If you don't have the datalake component installed, add it with `az component update --add datalake`
+    long-summary: If you don't have the datalake component installed, add it with `az component update --add datalake`. These commands are in preview.
 """
 
 helps['datalake analytics'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics accounts, jobs and catalogs. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics job'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics jobs. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics job submit'] = """
@@ -72,66 +74,79 @@
 helps['datalake analytics catalog'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalogs. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog database'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog databases. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog assembly'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog assemblies. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog externaldatasource'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog external data sources. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog procedure'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog stored procedures. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog schema'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog schemas. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog table'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog tables. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog tablepartition'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog table partitions. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog tablestats'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog table statistics. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog tabletype'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog table types. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog tablevaluedfunction'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog table valued functions, or TVFs. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog view'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog views. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog credential'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics catalog credentials. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics catalog credential create'] = """
@@ -182,6 +197,7 @@
 helps['datalake analytics account'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics accounts. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics account create'] = """
@@ -241,16 +257,19 @@
 helps['datalake analytics account blob'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics account linked Azure Storage. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics account datalake-store'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics account linked Data Lake Store accounts. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics account firewall'] = """
     type: group
     short-summary: Commands to manage Data Lake Analytics account firewall rules. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake analytics account firewall create'] = """

src/command_modules/azure-cli-datalake/azure/cli/command_modules/datalake/store/_help.py

@@ -9,17 +9,19 @@
 helps['datalake'] = """
     type: group
     short-summary: Access to Data Lake Analytics and Store management
-    long-summary: If you don't have the datalake component installed, add it with `az component update --add datalake`
+    long-summary: If you don't have the datalake component installed, add it with `az component update --add datalake`. These commands are in preview.
 """
 
 helps['datalake store'] = """
     type: group
     short-summary: Commands to manage Data Lake Store accounts, and filesystems. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake store account'] = """
     type: group
     short-summary: Commands to manage Data Lake Store accounts. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake store account create'] = """
@@ -63,11 +65,13 @@
 helps['datalake store account trusted-provider'] = """
     type: group
     short-summary: Commands to manage Data Lake Store account trusted identity providers. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake store account firewall'] = """
     type: group
     short-summary: Commands to manage Data Lake Store account firewall rules. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake store account firewall create'] = """
@@ -108,6 +112,7 @@
 helps['datalake store file'] = """
     type: group
     short-summary: Commands to manage a Data Lake Store filesystem. 
+    long-summary: These commands are in preview.
 """
 
 helps['datalake store file create'] = """

src/command_modules/azure-cli-iot/azure/cli/command_modules/iot/_help.py

@@ -9,16 +9,19 @@
     type: group
     short-summary: Connect, monitor, and control millions of IoT assets.
     long-summary: If you don't have the iot component installed, add it with `az component update --add iot`.
+    long-summary: These commands are in preview.
 """
 
 helps['iot device'] = """
     type: group
     short-summary: Manage devices in your Azure IoT hub.
+    long-summary: These commands are in preview.
 """
 
 helps['iot hub'] = """
     type: group
     short-summary: Manage Azure IoT Hubs.
+    long-summary: These commands are in preview.
 """
 
 helps['iot hub create'] = """
@@ -85,6 +88,7 @@
 helps['iot hub consumer-group'] = """
     type: group
     short-summary: Manage event hub consumer groups of an IoT Hub.
+    long-summary: These commands are in preview.
 """
 
 helps['iot hub consumer-group create'] = """
@@ -117,6 +121,7 @@
 helps['iot hub policy'] = """
     type: group
     short-summary: Manage shared access policies of an IoT Hub.
+    long-summary: These commands are in preview.
 """
 
 helps['iot hub policy list'] = """
@@ -151,6 +156,7 @@
 helps['iot hub job'] = """
     type: group
     short-summary: Manage jobs in an IoT Hub.
+    long-summary: These commands are in preview.
 """
 
 helps['iot hub job list'] = """
@@ -245,6 +251,7 @@
 helps['iot device message'] = """
     type: group
     short-summary: Manage IoT device messaging.
+    long-summary: These commands are in preview.
 """
 
 helps['iot device message send'] = """