AzureUtils PPC VersionTag kind of working.

12 files changed, 84 insertions, 50 deletions

diff --git a/Software/DB/Tango.mdf b/Software/DB/Tango.mdf
index 5cfd85867..11e1a8b81 100644
--- a/Software/DB/Tango.mdf
+++ b/Software/DB/Tango.mdf
diff --git a/Software/DB/Tango_log.ldf b/Software/DB/Tango_log.ldf
index c500561d4..0623f9557 100644
--- a/Software/DB/Tango_log.ldf
+++ b/Software/DB/Tango_log.ldf
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml
index aadd7a6d8..40c1b8223 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml
@@ -57,7 +57,7 @@
                 <TextBlock Text="{Binding ElementName=control,Path=MachineStudioVersion.Version}"></TextBlock>
 
                 <TextBlock FontWeight="SemiBold">Tango Application Version:</TextBlock>
-                <TextBlock Text="{Binding ElementName=control,Path=TangoVersion.Version}"></TextBlock>
+                <TextBlock Text="{Binding ElementName=control,Path=TangoVersion.VersionAndTag}"></TextBlock>
 
                 <TextBlock FontWeight="SemiBold">Tango Firmware Version::</TextBlock>
                 <TextBlock Text="{Binding ElementName=control,Path=TangoVersion.FirmwareVersion}"></TextBlock>
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml.cs
index a0e01e160..51303d126 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Controls/WebAppPropertiesControl.xaml.cs
@@ -26,6 +26,22 @@ namespace Tango.AzureUtils.UI.Controls
     /// </summary>
     public partial class WebAppPropertiesControl : UserControl
     {
+        public IWebAppBase WebApp
+        {
+            get { return (IWebAppBase)GetValue(WebAppProperty); }
+            set { SetValue(WebAppProperty, value); }
+        }
+        public static readonly DependencyProperty WebAppProperty =
+            DependencyProperty.Register("WebApp", typeof(IWebAppBase), typeof(WebAppPropertiesControl), new PropertyMetadata(null, (d, e) => (d as WebAppPropertiesControl).UpdateControl()));
+
+        public String PPCVersionTag
+        {
+            get { return (String)GetValue(PPCVersionTagProperty); }
+            set { SetValue(PPCVersionTagProperty, value); }
+        }
+        public static readonly DependencyProperty PPCVersionTagProperty =
+            DependencyProperty.Register("PPCVersionTag", typeof(String), typeof(WebAppPropertiesControl), new PropertyMetadata(null, (d, e) => (d as WebAppPropertiesControl).UpdateControl()));
+
         public MachineServiceSettings Settings
         {
             get { return (MachineServiceSettings)GetValue(SettingsProperty); }
@@ -99,15 +115,18 @@ namespace Tango.AzureUtils.UI.Controls
         public WebAppPropertiesControl()
         {
             InitializeComponent();
+        }
 
-            DataContextChanged += WebAppPropertiesControl_DataContextChanged;
+        private void WebAppPropertiesControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
+        {
+            UpdateControl();
         }
 
-        private async void WebAppPropertiesControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
+        private async void UpdateControl()
         {
-            if (DataContext != null && DataContext is IWebAppBase)
+            if (WebApp != null && WebApp is IWebAppBase)
             {
-                IWebAppBase app = DataContext as IWebAppBase;
+                IWebAppBase app = WebApp as IWebAppBase;
 
                 try
                 {
@@ -124,7 +143,7 @@ namespace Tango.AzureUtils.UI.Controls
 
                     var azure = await AzureUtilsAuthenticationFactory.AuthenticateOrGetAsync();
                     var databaseManager = new DatabaseManager(azure);
-                    TangoVersion = await databaseManager.GetLatestPPCVersion(app);
+                    TangoVersion = await databaseManager.GetLatestPPCVersion(app, PPCVersionTag);
                     MachineStudioVersion = await databaseManager.GetLatestMachineStudioVersion(app);
                     FseVersion = await databaseManager.GetLatestFSEVersion(app, FSEBuildVariants.FSE);
                     TwineRSMVersion = await databaseManager.GetLatestFSEVersion(app, FSEBuildVariants.TwineRSM);
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/ViewModels/EnvironmentFirmwareUpgradeViewVM.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/ViewModels/EnvironmentFirmwareUpgradeViewVM.cs
index 964febbd8..931182c90 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/ViewModels/EnvironmentFirmwareUpgradeViewVM.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/ViewModels/EnvironmentFirmwareUpgradeViewVM.cs
@@ -51,7 +51,7 @@ namespace Tango.AzureUtils.UI.ViewModels
 
         public EnvironmentFirmwareUpgradeViewVM()
         {
-            UpgradeFirmwareCommand = new RelayCommand(UpgradeFirmware,() => FilePath != null);
+            UpgradeFirmwareCommand = new RelayCommand(UpgradeFirmware, () => FilePath != null);
             BrowseFileCommand = new RelayCommand(BrowseFile);
         }
 
@@ -93,7 +93,7 @@ namespace Tango.AzureUtils.UI.ViewModels
 
                 IsFree = false;
 
-                await _firmwareManager.InjectFirmwarePackage(SelectedDeploymentSlot, FilePath);
+                await _firmwareManager.InjectFirmwarePackage(SelectedDeploymentSlot, FilePath, null);
             }
             catch (Exception ex)
             {
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Views/EnvironmentUpgradeView.xaml b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Views/EnvironmentUpgradeView.xaml
index 249dbabc6..5b6491a48 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Views/EnvironmentUpgradeView.xaml
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils.UI/Views/EnvironmentUpgradeView.xaml
@@ -32,7 +32,7 @@
                         </ComboBox.ItemTemplate>
                     </ComboBox>
 
-                    <localControls:WebAppPropertiesControl VerticalAlignment="Top" Margin="0 20 0 0" DataContext="{Binding SelectedSourceApp}" />
+                    <localControls:WebAppPropertiesControl VerticalAlignment="Top" Margin="0 20 0 0" PPCVersionTag="{Binding Config.PPCVersionTag}" WebApp="{Binding SelectedSourceApp}" />
                 </DockPanel>
             </GroupBox>
         </Grid>
@@ -52,6 +52,11 @@
                         <CheckBox Click="OnConfigChanged" Margin="0 5 0 0" IsChecked="{Binding Config.CopyTwineRSMStorageBlobs}" >Upgrade Twine RSM Blob Storage</CheckBox>
                         <CheckBox Click="OnConfigChanged" Margin="0 5 0 0" IsChecked="{Binding Config.UpgradeTwineRSMDatabaseVersion}" >Upgrade Twine RSM Database Version</CheckBox>
                         <CheckBox Click="OnConfigChanged" Margin="0 5 0 0" IsChecked="{Binding Config.CopyMachineServiceFiles}" >Upgrade Machine Service</CheckBox>
+
+                        <StackPanel Margin="0 5 0 0">
+                            <TextBlock FontSize="10">PPC Version Tag</TextBlock>
+                            <TextBox x:Name="txtPPCVersionTag" Text="{Binding Config.PPCVersionTag,Mode=TwoWay,Delay=500,UpdateSourceTrigger=PropertyChanged}"></TextBox>
+                        </StackPanel>
                     </StackPanel>
                 </GroupBox>
 
@@ -75,7 +80,7 @@
                         </ComboBox.ItemTemplate>
                     </ComboBox>
 
-                    <localControls:WebAppPropertiesControl VerticalAlignment="Top" Margin="0 20 0 0" DataContext="{Binding SelectedTargetApp}" />
+                    <localControls:WebAppPropertiesControl VerticalAlignment="Top" Margin="0 20 0 0" PPCVersionTag="{Binding Config.PPCVersionTag}" WebApp="{Binding SelectedTargetApp}" />
                 </DockPanel>
             </GroupBox>
         </Grid>
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Database/DatabaseManager.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Database/DatabaseManager.cs
index 836e66c9f..4202b45a7 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Database/DatabaseManager.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Database/DatabaseManager.cs
@@ -229,13 +229,13 @@ namespace Tango.AzureUtils.Database
             }
         }
 
-        public async Task UpgradePPCVersion(IWebAppBase sourceApp, IWebAppBase targetApp)
+        public async Task UpgradePPCVersion(IWebAppBase sourceApp, IWebAppBase targetApp, String versionTag)
         {
-            var latestPPCVersion = await GetLatestPPCVersion(sourceApp);
+            var latestPPCVersion = await GetLatestPPCVersion(sourceApp, versionTag);
 
             var targetDataSource = (await targetApp.GetMachineServiceSettingsAsync()).ToDataSource();
 
-            OnProgress(AzureUtilsStage.Database, $"Adding PPC database entry for version '{latestPPCVersion.Version}'...");
+            OnProgress(AzureUtilsStage.Database, $"Adding PPC database entry for version '{latestPPCVersion.VersionAndTag}'...");
 
             using (var db = ObservablesContext.CreateDefault(targetDataSource))
             {
@@ -274,12 +274,12 @@ namespace Tango.AzureUtils.Database
             }
         }
 
-        public async Task DowngradePPCVersion(IWebAppBase app)
+        public async Task DowngradePPCVersion(IWebAppBase app, String versionTag)
         {
-            var latestPPCVersion = await GetLatestPPCVersion(app);
+            var latestPPCVersion = await GetLatestPPCVersion(app, versionTag);
             var dataSource = (await app.GetMachineServiceSettingsAsync()).ToDataSource();
 
-            OnProgress(AzureUtilsStage.Database, $"Removing PPC database entry for version '{latestPPCVersion.Version}'...");
+            OnProgress(AzureUtilsStage.Database, $"Removing PPC database entry for version '{latestPPCVersion.VersionAndTag}'...");
 
             using (var db = ObservablesContext.CreateDefault(dataSource))
             {
@@ -321,7 +321,7 @@ namespace Tango.AzureUtils.Database
             }
         }
 
-        public async Task<TangoVersion> GetLatestPPCVersion(IWebAppBase app)
+        public async Task<TangoVersion> GetLatestPPCVersion(IWebAppBase app, String versionTag)
         {
             OnProgress(AzureUtilsStage.Database, $"Getting latest PPC version on '{app.Name}'...");
 
@@ -342,7 +342,7 @@ namespace Tango.AzureUtils.Database
 
                 using (var db = ObservablesContext.CreateDefault(dataSource))
                 {
-                    var versions = await db.TangoVersions.ToListAsync();
+                    var versions = await db.TangoVersions.Where(x => x.Tag == versionTag).ToListAsync();
                     var latest_version = versions.OrderByDescending(x => Version.Parse(x.Version)).FirstOrDefault();
                     return latest_version;
                 }
@@ -409,14 +409,14 @@ namespace Tango.AzureUtils.Database
             }
         }
 
-        public async Task ValidatePPCDatabaseUpgrade(IWebAppBase sourceApp, IWebAppBase targetApp)
+        public async Task ValidatePPCDatabaseUpgrade(IWebAppBase sourceApp, IWebAppBase targetApp, String versionTag)
         {
             OnProgress(AzureUtilsStage.Validating, "Validating PPC database upgrade...");
 
             var sourceSettings = await sourceApp.GetMachineServiceSettingsAsync();
             var targetSettings = await targetApp.GetMachineServiceSettingsAsync();
 
-            var latestSourcePPCVersion = await GetLatestPPCVersion(sourceApp);
+            var latestSourcePPCVersion = await GetLatestPPCVersion(sourceApp, versionTag);
 
             //Check if there is any source PPC version.
             if (latestSourcePPCVersion == null)
@@ -424,12 +424,12 @@ namespace Tango.AzureUtils.Database
                 throw new ValidationException("Could not locate a PPC version entry on the source database.");
             }
 
-            var latestTargetPPCVersion = await GetLatestPPCVersion(targetApp);
+            var latestTargetPPCVersion = await GetLatestPPCVersion(targetApp, versionTag);
 
             //Check target latest PPC version is older if there is any.
             if (latestTargetPPCVersion != null && Version.Parse(latestSourcePPCVersion.Version) <= Version.Parse(latestTargetPPCVersion.Version))
             {
-                throw new ValidationException($"PPC source version is '{latestSourcePPCVersion.Version}' while target version is '{latestTargetPPCVersion.Version}'.");
+                throw new ValidationException($"PPC source version is '{latestSourcePPCVersion.VersionAndTag}' while target version is '{latestTargetPPCVersion.VersionAndTag}'.");
             }
         }
 
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/EnvironmentManager.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/EnvironmentManager.cs
index 4806bc8c8..01c95a566 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/EnvironmentManager.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/EnvironmentManager.cs
@@ -195,8 +195,8 @@ namespace Tango.AzureUtils.Environment
                 //Add PPC storage versions.
                 try
                 {
-                    await _storageManager.ValidatePPCStorageUpgrade(sourceSlot, slot);
-                    await _storageManager.UpgradePPCStorage(sourceSlot, slot);
+                    await _storageManager.ValidatePPCStorageUpgrade(sourceSlot, slot, null);
+                    await _storageManager.UpgradePPCStorage(sourceSlot, slot, null);
                 }
                 catch (Exception ex)
                 {
@@ -319,8 +319,8 @@ namespace Tango.AzureUtils.Environment
             {
                 try
                 {
-                    await _storageManager.ValidatePPCStorageUpgrade(sourceApp, targetApp);
-                    await _storageManager.UpgradePPCStorage(sourceApp, targetApp);
+                    await _storageManager.ValidatePPCStorageUpgrade(sourceApp, targetApp, config.PPCVersionTag);
+                    await _storageManager.UpgradePPCStorage(sourceApp, targetApp, config.PPCVersionTag);
                 }
                 catch (Exception ex)
                 {
@@ -375,8 +375,8 @@ namespace Tango.AzureUtils.Environment
             {
                 try
                 {
-                    await _databaseManager.ValidatePPCDatabaseUpgrade(sourceApp, targetApp);
-                    await _databaseManager.UpgradePPCVersion(sourceApp, targetApp);
+                    await _databaseManager.ValidatePPCDatabaseUpgrade(sourceApp, targetApp, config.PPCVersionTag);
+                    await _databaseManager.UpgradePPCVersion(sourceApp, targetApp, config.PPCVersionTag);
                 }
                 catch (Exception ex)
                 {
@@ -442,7 +442,7 @@ namespace Tango.AzureUtils.Environment
             //Add PPC storage versions.
             if (config.CopyPPCStorageBlobs)
             {
-                await _storageManager.ValidatePPCStorageUpgrade(sourceApp, targetApp);
+                await _storageManager.ValidatePPCStorageUpgrade(sourceApp, targetApp, config.PPCVersionTag);
             }
 
             //Add FSE storage versions.
@@ -466,7 +466,7 @@ namespace Tango.AzureUtils.Environment
             //Upgrade PPC database version.
             if (config.UpgradePPCDatabaseVersion)
             {
-                await _databaseManager.ValidatePPCDatabaseUpgrade(sourceApp, targetApp);
+                await _databaseManager.ValidatePPCDatabaseUpgrade(sourceApp, targetApp, config.PPCVersionTag);
             }
 
             //Upgrade FSE database version.
@@ -583,7 +583,7 @@ namespace Tango.AzureUtils.Environment
             {
                 try
                 {
-                    await _storageManager.DowngradePPCStorage(app);
+                    await _storageManager.DowngradePPCStorage(app, config.PPCVersionTag);
                 }
                 catch (Exception ex)
                 {
@@ -592,7 +592,7 @@ namespace Tango.AzureUtils.Environment
 
                 try
                 {
-                    await _databaseManager.DowngradePPCVersion(app);
+                    await _databaseManager.DowngradePPCVersion(app, config.PPCVersionTag);
                 }
                 catch (Exception ex)
                 {
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/RollbackEnvironmentConfiguration.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/RollbackEnvironmentConfiguration.cs
index da0f68aac..7811a73bb 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/RollbackEnvironmentConfiguration.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/RollbackEnvironmentConfiguration.cs
@@ -11,5 +11,7 @@ namespace Tango.AzureUtils.Environment
         public bool RollbackMachineStudio { get; set; }
 
         public bool RollbackPPC { get; set; }
+
+        public String PPCVersionTag { get; set; }
     }
 }
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/UpgradeEnvironmentConfiguration.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/UpgradeEnvironmentConfiguration.cs
index 44cde7731..b165fb6b0 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/UpgradeEnvironmentConfiguration.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Environment/UpgradeEnvironmentConfiguration.cs
@@ -3,10 +3,11 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Tango.Core;
 
 namespace Tango.AzureUtils.Environment
 {
-    public class UpgradeEnvironmentConfiguration
+    public class UpgradeEnvironmentConfiguration : ExtendedObject
     {
         public bool SynchronizeDatabaseSchema { get; set; }
         public bool SynchronizeDatabaseData { get; set; }
@@ -19,5 +20,12 @@ namespace Tango.AzureUtils.Environment
         public bool CopyTwineRSMStorageBlobs { get; set; }
         public bool UpgradeTwineRSMDatabaseVersion { get; set; }
         public bool CopyMachineServiceFiles { get; set; }
+        private String _ppcVersionTag;
+        public String PPCVersionTag
+        {
+            get { return _ppcVersionTag.IsNotNullOrEmpty() ? _ppcVersionTag : null; }
+            set { _ppcVersionTag = value; RaisePropertyChangedAuto(); }
+        }
+
     }
 }
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Firmware/FirmwareManager.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Firmware/FirmwareManager.cs
index eb073f7a2..ac8e52a65 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Firmware/FirmwareManager.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Firmware/FirmwareManager.cs
@@ -30,7 +30,7 @@ namespace Tango.AzureUtils.Firmware
 
         #region Firmware Injection
 
-        public async Task InjectFirmwarePackage(IWebAppBase slot, String tfpFile)
+        public async Task InjectFirmwarePackage(IWebAppBase slot, String tfpFile, String versionTag)
         {
             OnProgress(AzureUtilsStage.Firmware, $"Validating TFP package...");
 
@@ -46,7 +46,7 @@ namespace Tango.AzureUtils.Firmware
                 throw new ValidationException($"The specified TFP package is invalid.\n{ex.FlattenMessage()}");
             }
 
-            var ppcVersion = await _databaseManager.GetLatestPPCVersion(slot);
+            var ppcVersion = await _databaseManager.GetLatestPPCVersion(slot, null);
 
             if (Version.Parse(ppcVersion.FirmwareVersion) >= tfpPackage.GetMcuVersion())
             {
@@ -60,7 +60,7 @@ namespace Tango.AzureUtils.Firmware
 
             var zipFile = TemporaryManager.CreateImaginaryFile(".zip");
 
-            await _storageManager.DownloadLatestPPCVersion(slot, zipFile);
+            await _storageManager.DownloadLatestPPCVersion(slot, zipFile, versionTag);
 
             OnProgress(AzureUtilsStage.Firmware, $"Replacing firmware_package.tfp...");
             await Task.Factory.StartNew(() =>
@@ -84,7 +84,7 @@ namespace Tango.AzureUtils.Firmware
                 }
             });
 
-            await _storageManager.ReplaceLatestPPCVersion(slot, zipFile);
+            await _storageManager.ReplaceLatestPPCVersion(slot, zipFile, versionTag);
 
             OnProgress(AzureUtilsStage.Firmware, $"Updating firmware version on database...");
             using (ObservablesContext db = ObservablesContext.CreateDefault(settings.ToDataSource()))
diff --git a/Software/Visual_Studio/Azure/Tango.AzureUtils/Storage/StorageManager.cs b/Software/Visual_Studio/Azure/Tango.AzureUtils/Storage/StorageManager.cs
index 5ff7af246..887b0ec63 100644
--- a/Software/Visual_Studio/Azure/Tango.AzureUtils/Storage/StorageManager.cs
+++ b/Software/Visual_Studio/Azure/Tango.AzureUtils/Storage/StorageManager.cs
@@ -77,14 +77,14 @@ namespace Tango.AzureUtils.Storage
             await blob.DeleteAsync();
         }
 
-        public async Task UpgradePPCStorage(IWebAppBase sourceApp, IWebAppBase targetApp)
+        public async Task UpgradePPCStorage(IWebAppBase sourceApp, IWebAppBase targetApp, String versionTag)
         {
             OnProgress(AzureUtilsStage.Storage, $"Retrieving source and target settings...");
 
             var sourceSettings = await sourceApp.GetMachineServiceSettingsAsync();
             var targetSettings = await targetApp.GetMachineServiceSettingsAsync();
 
-            var latestPPCVersion = await _databaseManager.GetLatestPPCVersion(sourceApp);
+            var latestPPCVersion = await _databaseManager.GetLatestPPCVersion(sourceApp, versionTag);
 
             OnProgress(AzureUtilsStage.Storage, $"Upgrading PPC version storage...");
 
@@ -189,11 +189,11 @@ namespace Tango.AzureUtils.Storage
             OnCompleted("Latest Machine Studio storage blobs removed.");
         }
 
-        public async Task DowngradePPCStorage(IWebAppBase app)
+        public async Task DowngradePPCStorage(IWebAppBase app, String versionTag)
         {
             OnProgress(AzureUtilsStage.Storage, $"Retrieving settings...");
 
-            var latestPPCVersion = await _databaseManager.GetLatestPPCVersion(app);
+            var latestPPCVersion = await _databaseManager.GetLatestPPCVersion(app, versionTag);
             var settings = await app.GetMachineServiceSettingsAsync();
 
             await RemoveBlob(settings.TANGO_VERSIONS_CONTAINER, latestPPCVersion.BlobName);
@@ -202,15 +202,15 @@ namespace Tango.AzureUtils.Storage
             OnCompleted("Latest PPC storage blobs removed.");
         }
 
-        public async Task ValidatePPCStorageUpgrade(IWebAppBase sourceApp, IWebAppBase targetApp)
+        public async Task ValidatePPCStorageUpgrade(IWebAppBase sourceApp, IWebAppBase targetApp, String versionTag)
         {
             OnProgress(AzureUtilsStage.Validating, "Validating PPC storage upgrade...");
 
             var sourceSettings = await sourceApp.GetMachineServiceSettingsAsync();
             var targetSettings = await targetApp.GetMachineServiceSettingsAsync();
 
-            var latestSourcePPCVersion = await _databaseManager.GetLatestPPCVersion(sourceApp);
-            var latestTargetPPCVersion = await _databaseManager.GetLatestPPCVersion(targetApp);
+            var latestSourcePPCVersion = await _databaseManager.GetLatestPPCVersion(sourceApp, versionTag);
+            var latestTargetPPCVersion = await _databaseManager.GetLatestPPCVersion(targetApp, versionTag);
 
             var targetAccount = CloudStorageAccount.Parse(targetSettings.STORAGE_ACCOUNT);
             var targetClient = targetAccount.CreateCloudBlobClient();
@@ -292,12 +292,12 @@ namespace Tango.AzureUtils.Storage
             }
         }
 
-        public async Task DownloadLatestPPCVersion(IWebAppBase app, String filePath)
+        public async Task DownloadLatestPPCVersion(IWebAppBase app, String filePath, String versionTag)
         {
             OnProgress(AzureUtilsStage.Storage, $"Retrieving source and target settings...");
 
             var settings = await app.GetMachineServiceSettingsAsync();
-            var ppcVersion = await _databaseManager.GetLatestPPCVersion(app);
+            var ppcVersion = await _databaseManager.GetLatestPPCVersion(app, versionTag);
 
             OnProgress(AzureUtilsStage.Storage, $"Downloading PPC version '{ppcVersion.Version}'...");
 
@@ -312,21 +312,21 @@ namespace Tango.AzureUtils.Storage
 
             using (FileStreamWrapper st = new FileStreamWrapper(filePath, FileMode.Create, (progress) =>
             {
-                OnProgress(AzureUtilsStage.Storage, $"Downloading PPC version '{ppcVersion.Version}'...", progress, length, false);
+                OnProgress(AzureUtilsStage.Storage, $"Downloading PPC version '{ppcVersion.VersionAndTag}'...", progress, length, false);
             }))
             {
                 await blob.DownloadToStreamAsync(st);
             }
         }
 
-        public async Task ReplaceLatestPPCVersion(IWebAppBase app, String filePath)
+        public async Task ReplaceLatestPPCVersion(IWebAppBase app, String filePath, String versionTag)
         {
             OnProgress(AzureUtilsStage.Storage, $"Retrieving source and target settings...");
 
             var settings = await app.GetMachineServiceSettingsAsync();
-            var ppcVersion = await _databaseManager.GetLatestPPCVersion(app);
+            var ppcVersion = await _databaseManager.GetLatestPPCVersion(app, versionTag);
 
-            OnProgress(AzureUtilsStage.Storage, $"Uploading PPC version '{ppcVersion.Version}'...");
+            OnProgress(AzureUtilsStage.Storage, $"Uploading PPC version '{ppcVersion.VersionAndTag}'...");
 
             var account = CloudStorageAccount.Parse(settings.STORAGE_ACCOUNT);
             var client = account.CreateCloudBlobClient();