adding support to generate web.config file for go application in app … (

#6515)

* adding support to generate web.config file for go application in app service deploy task

* removing Azure Web app specific file path from the web.config and accept this as a process parameter

* fixing review comments

* moving rootDirectoryPath to AzureWebAppDeployment task instead of common

* adding the check to validate GoExeFileName

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

@@ -213,5 +213,6 @@
   "loc.messages.MultipleResourceGroupFoundForAppService": "Multiple resource group found for App Service '%s'.",
   "loc.messages.PackageDeploymentUsingZipDeployFailed": "Package deployment using ZIP Deploy failed. Refer logs for more details.",
   "loc.messages.PackageDeploymentInitiated": "Package deployment using ZIP Deploy initiated.",
-  "loc.messages.FailedToGetDeploymentLogs": "Failed to get deployment logs. Error: %s"
+  "loc.messages.FailedToGetDeploymentLogs": "Failed to get deployment logs. Error: %s",
+  "loc.messages.GoExeNameNotPresent": "Go exe name is not present"
 }

Tasks/AzureRmWebAppDeployment/operations/FileTransformsUtility.ts

@@ -7,6 +7,9 @@ var fileTransformationsUtility = require('webdeployment-common/fileTransformatio
 var generateWebConfigUtil = require('webdeployment-common/webconfigutil.js');
 
 export class FileTransformsUtility {
+
+    private static rootDirectoryPath: string = "D:\\home\\site\\wwwroot";
+
     public static async applyTransformations(webPackage: string, taskParams: TaskParameters): Promise<string> {
         var applyFileTransformFlag = taskParams.JSONFiles.length != 0 || taskParams.XmlTransformation || taskParams.XmlVariableSubstitution;
         if (applyFileTransformFlag || taskParams.GenerateWebConfig) {
@@ -15,7 +18,7 @@ export class FileTransformsUtility {
             if (taskParams.GenerateWebConfig) {
                 tl.debug('parsing web.config parameters');
                 var webConfigParameters = parse(taskParams.WebConfigParameters);
-                generateWebConfigUtil.addWebConfigFile(folderPath, webConfigParameters);
+                generateWebConfigUtil.addWebConfigFile(folderPath, webConfigParameters, this.rootDirectoryPath);
             }
 
             if (applyFileTransformFlag) {

Tasks/AzureRmWebAppDeployment/task.json

@@ -16,7 +16,7 @@
     "version": {
         "Major": 3,
         "Minor": 3,
-        "Patch": 42
+        "Patch": 43
     },
     "releaseNotes": "What's new in Version 3.0: <br/>&nbsp;&nbsp;Supports File Transformations (XDT) <br/>&nbsp;&nbsp;Supports Variable Substitutions(XML, JSON) <br/>Click [here](https://aka.ms/azurermwebdeployreadme) for more Information.",
     "minimumAgentVersion": "2.104.1",
@@ -694,7 +694,7 @@
         "ScriptStatusTimeout": "Unable to fetch script status due to timeout.",
         "PollingForFileTimeOut": "Unable to fetch script status due to timeout. You can increase the timeout limit by setting 'appservicedeploy.retrytimeout' variable to number of minutes required.",
         "InvalidPollOption": "Invalid polling option provided: %s.",
-        "MissingAppTypeWebConfigParameters": "Attribute '-appType' is missing in the Web.config parameters. Valid values for '-appType' are: 'python_Bottle', 'python_Django', 'python_Flask' and 'node'.<br />For example, '-appType python_Bottle' (sans-quotes) in case of Python Bottle framework..",
+        "MissingAppTypeWebConfigParameters": "Attribute '-appType' is missing in the Web.config parameters. Valid values for '-appType' are: 'python_Bottle', 'python_Django', 'python_Flask', 'node' and 'Go'.<br />For example, '-appType python_Bottle' (sans-quotes) in case of Python Bottle framework..",
         "AutoDetectDjangoSettingsFailed": "Unable to detect DJANGO_SETTINGS_MODULE 'settings.py' file path. Ensure that the 'settings.py' file exists or provide the correct path in Web.config parameter input in the following format '-DJANGO_SETTINGS_MODULE <folder_name>.settings'",
         "FailedToApplyTransformation": "Unable to apply transformation for the given package. Verify the following.",
         "FailedToApplyTransformationReason1": "1. Whether the Transformation is already applied for the MSBuild generated package during build. If yes, remove the <DependentUpon> tag for each config in the csproj file and rebuild. ",
@@ -742,6 +742,7 @@
         "MultipleResourceGroupFoundForAppService": "Multiple resource group found for App Service '%s'.",
         "PackageDeploymentUsingZipDeployFailed": "Package deployment using ZIP Deploy failed. Refer logs for more details.",
         "PackageDeploymentInitiated": "Package deployment using ZIP Deploy initiated.",
-        "FailedToGetDeploymentLogs": "Failed to get deployment logs. Error: %s"
+        "FailedToGetDeploymentLogs": "Failed to get deployment logs. Error: %s",
+        "GoExeNameNotPresent": "Go exe name is not present"
     }
 }

Tasks/AzureRmWebAppDeployment/task.loc.json

@@ -16,7 +16,7 @@
   "version": {
     "Major": 3,
     "Minor": 3,
-    "Patch": 42
+    "Patch": 43
   },
   "releaseNotes": "ms-resource:loc.releaseNotes",
   "minimumAgentVersion": "2.104.1",
@@ -754,6 +754,7 @@
     "MultipleResourceGroupFoundForAppService": "ms-resource:loc.messages.MultipleResourceGroupFoundForAppService",
     "PackageDeploymentUsingZipDeployFailed": "ms-resource:loc.messages.PackageDeploymentUsingZipDeployFailed",
     "PackageDeploymentInitiated": "ms-resource:loc.messages.PackageDeploymentInitiated",
-    "FailedToGetDeploymentLogs": "ms-resource:loc.messages.FailedToGetDeploymentLogs"
+    "FailedToGetDeploymentLogs": "ms-resource:loc.messages.FailedToGetDeploymentLogs",
+    "GoExeNameNotPresent": "ms-resource:loc.messages.GoExeNameNotPresent"
   }
 }

Tasks/Common/webdeployment-common/WebConfigTemplates/go

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated web.config for Microsoft Azure. Remove this comment to prevent
+     modifications being overwritten when publishing the project.
+-->
+<configuration>
+    <system.webServer>
+        <handlers>
+            <add name="httpplatformhandler" path="*" verb="*" modules="httpPlatformHandler" resourceType="Unspecified" />
+        </handlers>
+        <httpPlatform processPath="{GoExeFilePath}" startupTimeLimit="60">
+        </httpPlatform>
+    </system.webServer>
+</configuration>

Tasks/Common/webdeployment-common/webconfigutil.ts

@@ -1,6 +1,7 @@
 import tl = require('vsts-task-lib/task');
 import fs = require('fs');
 import path = require('path');
+import util = require('util');
 
 export function generateWebConfigFile(webConfigTargetPath: string, appType: string, substitutionParameters: any) {
     // Get the template path for the given appType
@@ -40,6 +41,9 @@ function addMissingParametersValue(appType: string, webConfigParameters) {
             'PYTHON_PATH': 'D:\\home\\python353x86\\python.exe',
             'PYTHON_WFASTCGI_PATH': 'D:\\home\\python353x86\\wfastcgi.py',
             'STATIC_FOLDER_PATH': 'static'
+        },
+        'Go': {
+            'GoExeFilePath': ''
         }
     };
 
@@ -57,12 +61,12 @@ function addMissingParametersValue(appType: string, webConfigParameters) {
     }
     return resultAppTypeParams;
 }
-export function addWebConfigFile(folderPath: any, webConfigParameters, rootDirectoryPath?: string) {
+export function addWebConfigFile(folderPath: any, webConfigParameters, rootDirectoryPath: string) {
     //Generate the web.config file if it does not already exist.
     var webConfigPath = path.join(folderPath, "web.config");
     if (!tl.exist(webConfigPath)) {
         try {
-            var supportedAppTypes = ['node', 'python_Bottle', 'python_Django', 'python_Flask']
+            var supportedAppTypes = ['node', 'python_Bottle', 'python_Django', 'python_Flask', 'Go']
             // Create web.config
             tl.debug('web.config file does not exist. Generating.');
             if(!webConfigParameters['appType']) {
@@ -77,14 +81,20 @@ export function addWebConfigFile(folderPath: any, webConfigParameters, rootDirec
             delete webConfigParameters['appType'];
 
             var selectedAppTypeParams = addMissingParametersValue(appType, webConfigParameters);
-            if(appType != "node") {
-                rootDirectoryPath = "D:\\home\\" + (rootDirectoryPath ? rootDirectoryPath : "site\\wwwroot");
+            if(appType.startsWith("python")) {
                 tl.debug('Root Directory path to be set on web.config: ' + rootDirectoryPath);
                 selectedAppTypeParams['KUDU_WORKING_DIRECTORY'] = rootDirectoryPath;
                 if(appType === 'python_Django' && webConfigParameters['DJANGO_SETTINGS_MODULE'].value === '') {
                     tl.debug('Auto detecting settings.py to set DJANGO_SETTINGS_MODULE...');
                     selectedAppTypeParams['DJANGO_SETTINGS_MODULE'] = getDjangoSettingsFile(folderPath);
                 }
+            } else if(appType == 'Go') {
+                if (util.isNullOrUndefined(webConfigParameters['GoExeFileName'])
+                        || util.isNullOrUndefined(webConfigParameters['GoExeFileName'].value) 
+                        || webConfigParameters['GoExeFileName'].value.length <=0) {
+                    throw Error(tl.loc('GoExeNameNotPresent'));
+                }
+                selectedAppTypeParams['GoExeFilePath'] = rootDirectoryPath + "\\" + webConfigParameters['GoExeFileName'].value;
             }
             generateWebConfigFile(webConfigPath, appType, selectedAppTypeParams);
             console.log(tl.loc("SuccessfullyGeneratedWebConfig"));