[Blueprints] Update Export and Import cmdlets with improvements

src/Blueprint/Blueprint/Az.Blueprint.psd1

@@ -114,15 +114,7 @@ PrivateData = @{
         # IconUri = ''
 
         # ReleaseNotes of this module
-        ReleaseNotes = '* Added new cmdlets:
-    - New-AzBlueprint
-    - Set-AzBlueprint
-    - Publish-AzBlueprint
-    - New-AzBlueprintArtifact
-    - Set-AzBlueprintArtifact
-    - Get-AzBlueprintArtifact
-    - Export-AzBlueprintWithArtifact
-    - Import-AzBlueprintWithArtifact'''
+        ReleaseNotes = 'Bug fixes and improvements'
 
         # Prerelease string of this module
         # Prerelease = ''

src/Blueprint/Blueprint/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Bug fixes and improvements
 
 ## Version 0.2.0
 * Added new cmdlets:

src/Blueprint/Blueprint/Cmdlets/BlueprintCmdletBase.cs

@@ -169,7 +169,7 @@ protected string GetValidatedFilePath(string path, string fileName)
         }
 
         /// <summary>
-        /// Combines input folder path and folder name and check if the resulting path exists.
+        /// Combines input folder path and folder name and check if the resulting path exists. 
         /// </summary>
         /// <param name="inputPath"></param>
         /// <param name="folderName"></param>
@@ -182,7 +182,7 @@ protected string GetValidatedFolderPath(string path, string folderName)
 
             if (!AzureSession.Instance.DataStore.DirectoryExists(artifactsPath))
             {
-                throw new DirectoryNotFoundException($"Can't find folder {folderName} in path {resolvedPath}.");
+                artifactsPath = null;
             }
 
             return artifactsPath;

src/Blueprint/Blueprint/Cmdlets/BlueprintDefinition/BlueprintDefinitionCmdletBase.cs

@@ -100,7 +100,8 @@ private async Task<string> GetManagementGroupAncestorsAsync(string subscriptionI
 
         protected void ImportBlueprint(string blueprintName, string scope, string inputPath, bool force)
         {
-            var blueprintPath = GetValidatedFilePath(inputPath, blueprintName);
+            const string blueprintFileName = "Blueprint";
+            var blueprintPath = GetValidatedFilePath(inputPath, blueprintFileName);
 
             BlueprintModel bpObject;
             try
@@ -149,8 +150,17 @@ protected string CreateFolderIfNotExist(string path, string folderName)
         {
             var folderPath = Path.Combine(path, folderName);
 
-            if (!AzureSession.Instance.DataStore.DirectoryExists(folderPath))
+            if (AzureSession.Instance.DataStore.DirectoryExists(folderPath))
             {
+                AzureSession.Instance.DataStore.EmptyDirectory(folderPath);
+
+                if (AzureSession.Instance.DataStore.DirectoryExists(Path.Combine(folderPath, "Artifacts")))
+                {
+                    AzureSession.Instance.DataStore.DeleteDirectory(Path.Combine(folderPath, "Artifacts"));
+                }
+            }
+            else
+            { 
                 AzureSession.Instance.DataStore.CreateDirectory(folderPath);
             }
 
@@ -163,11 +173,12 @@ protected void ImportArtifacts(string blueprintName, string scope, string inputP
 
             var artifactsPath = GetValidatedFolderPath(inputPath, artifacts);
 
-            var artifactFiles = AzureSession.Instance.DataStore.GetFiles(artifactsPath, "*.json", SearchOption.TopDirectoryOnly);
+            if (artifactsPath == null)
+            {
+                return; // if blueprint doesn't contain artifacts don't proceed.
+            }
 
-            // To-Do - Remove this before release.
-            /*DirectoryInfo artifactsDirectory = new DirectoryInfo(artifactsPath);
-            FileInfo[] artifactsFiles = artifactsDirectory.GetFiles("*.json");*/
+            var artifactFiles = AzureSession.Instance.DataStore.GetFiles(artifactsPath, "*.json", SearchOption.TopDirectoryOnly);
 
             foreach (var artifactFile in artifactFiles)
             {

src/Blueprint/Blueprint/Cmdlets/BlueprintDefinition/ExportAzureRMBlueprint.cs

@@ -14,6 +14,7 @@
 
 using Microsoft.Azure.Commands.Blueprint.Models;
 using System.IO;
+using System.Linq;
 using System.Management.Automation;
 using Microsoft.Azure.Commands.Common.Authentication;
 using Microsoft.Azure.PowerShell.Cmdlets.Blueprint.Properties;
@@ -48,38 +49,45 @@ public class ExportAzureRmBlueprint : BlueprintDefinitionCmdletBase
         #region Cmdlet Overrides
         public override void ExecuteCmdlet()
         {
-            // Get serialized blueprint and write it to disk
+            const string blueprintFileName = "Blueprint";
+
+            // Get serialized blueprint definition
             string serializedDefinition = BlueprintClient.GetBlueprintDefinitionJsonFromObject(Blueprint, Version);
 
-            var blueprintFolderPath = CreateFolderIfNotExist(OutputPath, Blueprint.Name);
-            var blueprintJsonFilePath = Path.Combine(blueprintFolderPath, $"{Blueprint.Name}.json");
+            var resolvedPath = ResolveUserPath(OutputPath);
+
+            var blueprintFolderPath = Path.Combine(resolvedPath, Blueprint.Name);
 
+            // if directory exists, let's ask if we can clean contents of it. If directory doesn't exist, we'll create one.
             this.ConfirmAction(
-                this.Force || !AzureSession.Instance.DataStore.FileExists(blueprintJsonFilePath),
-                string.Format(Resources.OverwriteExistingOutputFileProcessMessage,Blueprint.Name),
-                Resources.OverwriteExistingOutputFileContinueMessage,
-                blueprintJsonFilePath,
-                () => AzureSession.Instance.DataStore.WriteFile(blueprintJsonFilePath, serializedDefinition)
+                this.Force || !AzureSession.Instance.DataStore.DirectoryExists(blueprintFolderPath),
+                string.Format(Resources.DeleteBlueprintFolderContentsProcessString, Blueprint.Name),
+                Resources.DeleteBlueprintFolderContentsContinueMessage,
+                blueprintFolderPath,
+                () => CreateFolderIfNotExist(resolvedPath, Blueprint.Name)
             );
+
+            var blueprintJsonFilePath = Path.Combine(blueprintFolderPath, $"{blueprintFileName}.json");
 
-            // Get serialized artifacts from this blueprint and write them to disk
-            var artifactsPath = CreateFolderIfNotExist(blueprintFolderPath, "Artifacts");
-
+            AzureSession.Instance.DataStore.WriteFile(blueprintJsonFilePath, serializedDefinition);
+
             var artifacts = BlueprintClient.ListArtifacts(Blueprint.Scope, Blueprint.Name, Version);
-            
-            foreach (var artifact in artifacts)
+
+            if (artifacts != null && artifacts.Any())
             {
-                string serializedArtifact = BlueprintClient.GetBlueprintArtifactJsonFromObject(Blueprint.Scope, Blueprint.Name, artifact, Version);
+                // Get serialized artifacts from this blueprint and write them to disk
+                var artifactsPath = CreateFolderIfNotExist(blueprintFolderPath, "Artifacts");
+
+                foreach (var artifact in artifacts)
+                {
+                    string serializedArtifact =
+                        BlueprintClient.GetBlueprintArtifactJsonFromObject(Blueprint.Scope, Blueprint.Name, artifact,
+                            Version);
 
-                var artifactFilePath = Path.Combine(artifactsPath, artifact.Name + ".json");
+                    var artifactFilePath = Path.Combine(artifactsPath, artifact.Name + ".json");
 
-                this.ConfirmAction(
-                    this.Force || !AzureSession.Instance.DataStore.FileExists(artifactFilePath),
-                    string.Format(Resources.OverwriteExistingOutputFileProcessMessage, artifact.Name),
-                    Resources.OverwriteExistingOutputFileContinueMessage,
-                    artifactFilePath,
-                    () => AzureSession.Instance.DataStore.WriteFile(artifactFilePath, serializedArtifact)
-                );
+                    AzureSession.Instance.DataStore.WriteFile(artifactFilePath, serializedArtifact);
+                }
             }
 
             if (PassThru.IsPresent)

src/Blueprint/Blueprint/Properties/Resources.resx

@@ -153,6 +153,12 @@
   <data name="DeleteAssignmentShouldProcessString" xml:space="preserve">
     <value>Delete blueprint assignment '{0}'</value>
   </data>
+  <data name="DeleteBlueprintFolderContentsContinueMessage" xml:space="preserve">
+    <value>Deleting folder contents.</value>
+  </data>
+  <data name="DeleteBlueprintFolderContentsProcessString" xml:space="preserve">
+    <value>Folder '{0}' already exists. This operation will replace contents of the folder with specified blueprint and its artifacts. Would you like to continue?</value>
+  </data>
   <data name="OverwriteExistingOutputFileContinueMessage" xml:space="preserve">
     <value>Overwriting the output file.</value>
   </data>

src/Blueprint/Blueprint/help/Export-AzBlueprintWithArtifact.md

@@ -18,7 +18,7 @@ Export-AzBlueprintWithArtifact -Blueprint <PSBlueprintBase> -OutputPath <String>
 ```
 
 ## DESCRIPTION
-Export a blueprint definition with its artifacts and save to disk.
+Export a blueprint definition with its artifacts and save to disk. This cmdlet exports the latest version(draft or published) of the blueprint.
 
 ## EXAMPLES
 

src/Blueprint/Blueprint/help/Import-AzBlueprintWithArtifact.md

@@ -24,7 +24,7 @@ Import a blueprint definition with its artifacts.
 
 ### Example 1
 ```powershell
-PS C:\> Import-AzBlueprintWithArtifact -Name SimpleBlueprint -SubscriptionId 00000000-1111-0000-1111-000000000000 -InputPath  C:\Blueprints
+PS C:\> Import-AzBlueprintWithArtifact -Name MySimpleBlueprint -SubscriptionId 00000000-1111-0000-1111-000000000000 -InputPath  C:\Blueprints\SimpleBlueprint
 ```
 
 Import a blueprint definition with its artifacts and save within a subscription.