Added advanced input field Packer version, used to build the image.

Tasks/PackerBuildV1/Strings/resources.resjson/en-US/resources.resjson

@@ -43,6 +43,8 @@
   "loc.input.help.additionalBuilderParameters": "In auto generated Packer template mode the task creates a Packer template with an Azure builder. This builder is used to generate a machine image. You can add keys to the Azure builder to customize the generated Packer template. For example setting ssh_tty=true in case you are using a CentOS base image and you need to have a tty to run sudo.<br/>To view/edit the additional parameters in a grid, click on “…” next to text box.",
   "loc.input.label.skipTempFileCleanupDuringVMDeprovision": "Skip temporary file cleanup during deprovision",
   "loc.input.help.skipTempFileCleanupDuringVMDeprovision": "During deprovisioning of VM, skip clean-up of temporary files uploaded to VM. Refer [here](https://www.packer.io/docs/builders/azure.html#skip_clean)",
+  "loc.input.label.packerVersion": "Packer Version",
+  "loc.input.help.packerVersion": "Specify the version of Packer to install. This will work only with custom templates.",
   "loc.input.label.imageUri": "Image URL or Name",
   "loc.input.help.imageUri": "Provide a name for the output variable which will store generated machine image VHD url for un-managed VM image or image name for managed VM image.",
   "loc.input.label.imageId": "Azure Resource Id",
@@ -74,6 +76,7 @@
   "loc.messages.ResolvedDeployPackgePath": "Resolved deploy package path: %s.",
   "loc.messages.ResolvedDeployScriptPath": "Resolved deploy script path: %s.",
   "loc.messages.OSNotSupportedForRunningPacker": "OS is not supported for running packer.",
+  "loc.messages.InstallExplicitPackerVersion": "Packer version %s will be downloaded and installed for running task.",
   "loc.messages.DownloadingPackerRequired": "Either packer is not installed or its version is less than %s. Version %s will be downloaded and installed for running task.",
   "loc.messages.DownloadingPackerCompleted": "Packer installer downloaded successfully at path: %s.",
   "loc.messages.ExtractingPackerCompleted": "Packer extracted successfully at path: %s.",

Tasks/PackerBuildV1/src/constants.ts

@@ -28,6 +28,7 @@ export var DeployScriptArgumentsInputName = "deployScriptArguments";
 export var ConnectedServiceInputName = "ConnectedServiceName";
 export var TemplateTypeInputName = "templateType";
 export var CustomTemplateLocationInputType = "customTemplateLocation";
+export var PackerVersionInputName = "packerVersion"
 
 export var TemplateVariableResourceGroupName = "resource_group";
 export var TemplateVariableStorageAccountName = "storage_account";

Tasks/PackerBuildV1/src/packerHost.ts

@@ -101,12 +101,22 @@ export default class PackerHost implements definitions.IPackerHost {
         var installedPackerPath = tl.which("packer", false);
         var installedPackerVersion = this._getPackerVersion(installedPackerPath);
         console.log(tl.loc("InstalledPackerVersion", installedPackerVersion));
-        if(!installedPackerVersion || 
-            utils.isGreaterVersion(utils.PackerVersion.convertFromString(constants.CurrentSupportedPackerVersionString), utils.PackerVersion.convertFromString(installedPackerVersion))) {
+        var packerVersionString = constants.CurrentSupportedPackerVersionString;
+        var explicitPackerVersion : boolean= false ;
 
-            console.log(tl.loc("DownloadingPackerRequired", constants.CurrentSupportedPackerVersionString, constants.CurrentSupportedPackerVersionString));
+        if(this._taskParameters.templateType == constants.TemplateTypeCustom && this._taskParameters.packerVersionString && installedPackerVersion != this._taskParameters.packerVersionString) {
+            packerVersionString = this._taskParameters.packerVersionString;
+            explicitPackerVersion = true;
+        }
+
+        if(explicitPackerVersion || !installedPackerVersion || utils.isGreaterVersion(utils.PackerVersion.convertFromString(packerVersionString), utils.PackerVersion.convertFromString(installedPackerVersion))) {
+            if(explicitPackerVersion){
+                console.log(tl.loc("InstallExplicitPackerVersion", packerVersionString))
+            } else {
+                console.log(tl.loc("DownloadingPackerRequired", packerVersionString, packerVersionString));
+            }
             var downloadPath = path.join(this.getStagingDirectory(), "packer.zip");
-            var packerDownloadUrl = util.format(constants.PackerDownloadUrlFormat, constants.CurrentSupportedPackerVersionString, constants.CurrentSupportedPackerVersionString, this._getPackerZipNamePrefix());
+            var packerDownloadUrl = util.format(constants.PackerDownloadUrlFormat, packerVersionString, packerVersionString, this._getPackerZipNamePrefix());
             tl.debug("Downloading packer from url: " + packerDownloadUrl);
             await utils.download(packerDownloadUrl, downloadPath);
             console.log(tl.loc("DownloadingPackerCompleted", downloadPath));

Tasks/PackerBuildV1/src/taskParameters.ts

@@ -29,6 +29,7 @@ export default class TaskParameters {
     public packagePath: string;
     public deployScriptPath: string;
     public deployScriptArguments: string;
+    public packerVersionString: string;
 
     public additionalBuilderParameters: {};
     public customTemplateParameters: {};
@@ -47,6 +48,7 @@ export default class TaskParameters {
                 this.customTemplateLocation = tl.getPathInput(constants.CustomTemplateLocationInputType, true, true);
                 console.log(tl.loc("ParsingCustomTemplateParameters"));
                 this.customTemplateParameters = JSON.parse(tl.getInput("customTemplateParameters"));
+                this.packerVersionString = tl.getInput(constants.PackerVersionInputName);
             } else {
                 this.serviceEndpoint = tl.getInput(constants.ConnectedServiceInputName, true);
                 this.resourceGroup = tl.getInput(constants.ResourceGroupInputName, true);
@@ -83,7 +85,6 @@ export default class TaskParameters {
 
                 this.graphCredentials = this._getAzureADGraphCredentials(this.serviceEndpoint);
             }
-
             console.log(tl.loc("ParsingAdditionalBuilderParameters"));
             this.additionalBuilderParameters = JSON.parse(tl.getInput("additionalBuilderParameters"));
             this.skipTempFileCleanupDuringVMDeprovision = tl.getBoolInput("skipTempFileCleanupDuringVMDeprovision", false);

Tasks/PackerBuildV1/task.json

@@ -35,8 +35,7 @@
         {
             "name": "Advanced",
             "displayName": "Advanced",
-            "isExpanded": false,
-            "visibleRule": "templateType = builtin"
+            "isExpanded": false
         },
         {
             "name": "Output",
@@ -224,6 +223,7 @@
             "required": false,
             "defaultValue": "{\"vm_size\":\"Standard_D3_v2\"}",
             "groupName": "Advanced",
+            "visibleRule": "templateType = builtin",
             "helpMarkDown": "In auto generated Packer template mode the task creates a Packer template with an Azure builder. This builder is used to generate a machine image. You can add keys to the Azure builder to customize the generated Packer template. For example setting ssh_tty=true in case you are using a CentOS base image and you need to have a tty to run sudo.<br/>To view/edit the additional parameters in a grid, click on “…” next to text box.",
             "properties": {
                 "editorExtension": "ms.vss-services-azure.azure-servicebus-message-grid"
@@ -235,8 +235,19 @@
             "label": "Skip temporary file cleanup during deprovision",
             "defaultValue": true,
             "groupName": "Advanced",
+            "visibleRule": "templateType = builtin",
             "helpMarkDown": "During deprovisioning of VM, skip clean-up of temporary files uploaded to VM. Refer [here](https://www.packer.io/docs/builders/azure.html#skip_clean)"
         },
+        {
+            "name": "packerVersion",
+            "type": "string",
+            "label": "Packer Version",
+            "required": false,
+            "defaultValue": "",
+            "groupName": "Advanced",
+            "visibleRule": "templateType = custom",
+            "helpMarkDown": "Specify the version of Packer to install. This will work only with custom templates."
+        },
         {
             "name": "imageUri",
             "type": "string",
@@ -316,6 +327,7 @@
         "ResolvedDeployPackgePath": "Resolved deploy package path: %s.",
         "ResolvedDeployScriptPath": "Resolved deploy script path: %s.",
         "OSNotSupportedForRunningPacker": "OS is not supported for running packer.",
+        "InstallExplicitPackerVersion": "Packer version %s will be downloaded and installed for running task.",
         "DownloadingPackerRequired": "Either packer is not installed or its version is less than %s. Version %s will be downloaded and installed for running task.",
         "DownloadingPackerCompleted": "Packer installer downloaded successfully at path: %s.",
         "ExtractingPackerCompleted": "Packer extracted successfully at path: %s.",

Tasks/PackerBuildV1/task.loc.json

@@ -35,8 +35,7 @@
     {
       "name": "Advanced",
       "displayName": "ms-resource:loc.group.displayName.Advanced",
-      "isExpanded": false,
-      "visibleRule": "templateType = builtin"
+      "isExpanded": false
     },
     {
       "name": "Output",
@@ -224,6 +223,7 @@
       "required": false,
       "defaultValue": "{\"vm_size\":\"Standard_D3_v2\"}",
       "groupName": "Advanced",
+      "visibleRule": "templateType = builtin",
       "helpMarkDown": "ms-resource:loc.input.help.additionalBuilderParameters",
       "properties": {
         "editorExtension": "ms.vss-services-azure.azure-servicebus-message-grid"
@@ -235,8 +235,19 @@
       "label": "ms-resource:loc.input.label.skipTempFileCleanupDuringVMDeprovision",
       "defaultValue": true,
       "groupName": "Advanced",
+      "visibleRule": "templateType = builtin",
       "helpMarkDown": "ms-resource:loc.input.help.skipTempFileCleanupDuringVMDeprovision"
     },
+    {
+      "name": "packerVersion",
+      "type": "string",
+      "label": "ms-resource:loc.input.label.packerVersion",
+      "required": false,
+      "defaultValue": "",
+      "groupName": "Advanced",
+      "visibleRule": "templateType = custom",
+      "helpMarkDown": "ms-resource:loc.input.help.packerVersion"
+    },
     {
       "name": "imageUri",
       "type": "string",
@@ -316,6 +327,7 @@
     "ResolvedDeployPackgePath": "ms-resource:loc.messages.ResolvedDeployPackgePath",
     "ResolvedDeployScriptPath": "ms-resource:loc.messages.ResolvedDeployScriptPath",
     "OSNotSupportedForRunningPacker": "ms-resource:loc.messages.OSNotSupportedForRunningPacker",
+    "InstallExplicitPackerVersion": "ms-resource:loc.messages.InstallExplicitPackerVersion",
     "DownloadingPackerRequired": "ms-resource:loc.messages.DownloadingPackerRequired",
     "DownloadingPackerCompleted": "ms-resource:loc.messages.DownloadingPackerCompleted",
     "ExtractingPackerCompleted": "ms-resource:loc.messages.ExtractingPackerCompleted",