add generator and readme

.gitignore

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+@VSCode
+.vscode/
+
+.yo-rc.json
+.jsbeautifyrc
+node_modules/

AUTHORS

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+Qingqing Sun <qisun@microsoft.com>

README.md

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-# generator-zure-iot-edge-module
+# generator-azure-iot-edge-module
+
+> Scaffolding tool to help setup Azure IoT Edge module development environment.
+
+```
+yo auzre-iot-edge-module
+```
+
+## Getting started
+
+If this is the first time you hear about YEOMAN, make sure to take a look at the [official homepage](http://yeoman.io/) first to see what it is about.
+
+- Make sure you have yo installed: npm install -g yo
+
+- Install the generaotr: npm install -g generator-azure-iot-edge-module
+
+- Run **yo azure-iot-edge-module**
+
+## Containerize the module
+
+azure-iot-edge-module sets up the Azure IoT Edge Module development environment, generating all necessary files for you.
+
+To containerize the module, there are several extra steps to do.
+Navigate to the genarated module folder in the first place.
+
+### Build your module
+```
+dotnet build
+dotnet publish -f netcoreapp2
+```
+### Create and run local docker registry
+```
+docker run -d -p 5000:5000 --name registry resigtry:2
+```
+### Build docker image for your module
+```
+docker build --build-arg EXE_DIR=./bin/Debug/netcoreapp2/publish -t localhost:5000/<moduleName>:latest .
+```
+### Push the image to local registry
+```
+docker push localhost:5000/<moduleName>
+```

app/index.js

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+var Generator = require('yeoman-generator');
+var yosay = require('yosay');
+var fs = require('fs');
+
+module.exports = class extends Generator {
+  constructor(args, opts) {
+    super(args, opts);
+    this.on('end', function() {
+      process.chdir(this.moduleName);
+      this.spawnCommand('dotnet', ['restore']).on('close', () => {
+        this.log('\r\nAll Set!\r\n');
+      });
+    });
+  }
+
+  prompting() {
+    this.log(yosay('Hey You\r\nWelcome to Azure IoT Edge Modudle Generator'));
+    return this.prompt([{
+        type: 'list',
+        name: 'moduleType',
+        choices: [
+          "Custom Module", "Azure Functions", "Azure Stream Analytics", "Azure Machine Learning"
+        ],
+        message: "Which kind of IoT Edge Module would you like to create?"
+      },
+      {
+        type: 'input',
+        name: 'name',
+        default: 'AzureIoTEdgeModule',
+        message: 'What\'s the name of your module'
+      },
+      {
+        type: 'checkbox',
+        name: 'architectures',
+        message: 'Select the architecture(s) you want to support, your choice will help generate the corresponding dockerfile(s).',
+        choices: [{
+            name: "Windows-x64"
+          },
+          {
+            name: "Linux-x64"
+          },
+          {
+            name: "Windows-x86"
+          },
+          {
+            name: "Linux-x86"
+          },
+          {
+            name: "ARM-x86"
+          },
+        ],
+        validate: function(answer) {
+          if (answer.length < 1) {
+            return 'You must select at least one architecture.';
+          }
+          return true;
+        }
+      },
+      {
+        type: 'confirm',
+        name: 'test',
+        message: 'Would you like to add unit test?'
+      }
+    ]).then((answers) => {
+      this.log('Creating files...');
+      this.moduleName = answers.name;
+      if (answers.test) {
+        fs.mkdir(this.destinationPath(answers.name + 'Test'));
+      }
+      this.fs.copyTpl(this.templatePath('Project'), this.destinationPath(answers.name + '/' + answers.name + '.csproj'));
+      this.fs.copyTpl(this.templatePath('Program'), this.destinationPath(answers.name + '/Program.cs'), {
+        ModuleName: answers.name
+      });
+      answers.architectures.forEach((architecture, index) => {
+        this.fs.copyTpl(this.templatePath('DockerFile'), this.destinationPath(answers.name + '/Docker/' + architecture + '/DockerFile'), {
+          DLLName: answers.name + '.dll'
+        });
+      });
+    });
+  }
+};

app/templates/DockerFile

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+FROM microsoft/dotnet:2.0.0-preview2-runtime-stretch
+ARG EXE_DIR=.
+WORKDIR /app
+COPY $EXE_DIR/ ./
+CMD ["dotnet", "<%= DLLName %>"]

app/templates/Program

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+namespace <%= ModuleName %>
+{
+    class Program
+    {
+        static void Main(string[] args) {}
+    }
+    /// <summary>
+    /// This class contains the configuration for this module.
+    /// </summary>
+    class ModuleConfig
+    {
+        public ModuleConfig() {}
+    }
+
+    /// <summary>
+    /// The class containing the expected schema for the body of the incoming message.
+    /// </summary>
+    class MessageBody
+    {
+    }
+}

app/templates/Project

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.4.0-preview.2" />
+  </ItemGroup>
+</Project>

package.json

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+{
+  "name": "generator-azure-iot-edge-module",
+  "version": "1.0.0",
+  "description": "Scaffolding tool to help setup Azure IoT Edge module development environment.",
+  "files": [
+    "app"
+  ],
+  "keywords": [
+    "yeoman-generator", "Azure IoT Edge", "IoT", "Azure"
+  ],
+  "dependencies": {
+    "fs": "0.0.1-security",
+    "yeoman-generator": "^1.1.1",
+    "yosay": "^2.0.1"
+  }
+}