NNI on Windows for NNI Local mode (#937)

Makefile

@@ -66,6 +66,7 @@ NNI_VERSION_TEMPLATE = 999.0.0-developing
 build:
 	#$(_INFO) Building NNI Manager $(_END)
 	cd src/nni_manager && $(NNI_YARN) && $(NNI_YARN) build
+	cp -rf src/nni_manager/config src/nni_manager/dist/
 	#$(_INFO) Building WebUI $(_END)
 	cd src/webui && $(NNI_YARN) && $(NNI_YARN) build
 

deployment/deployment-pipelines.yml

@@ -171,3 +171,46 @@ jobs:
       fi
     condition: eq( variables['upload_package'], 'true')
     displayName: 'upload nni package to pypi/testpypi'
+
+- job: 'Build_upload_nni_windows'
+  dependsOn: version_number_validation
+  condition: succeeded()
+  pool:
+    vmImage: 'vs2017-win2016'
+  strategy:
+    matrix:
+      Python36:
+        PYTHON_VERSION: '3.6'
+  steps:
+  - script: |
+      python -m pip install --upgrade pip setuptools --user
+      python -m pip install twine --user
+    displayName: 'Install twine'
+
+  - script: |
+      cd deployment/pypi
+      if [ $(build_type) = 'prerelease' ]
+      then
+        # NNI build scripts (powershell) uses branch tag as package version number
+        git tag $(build_version)
+        echo 'building prerelease package...'
+        powershell.exe ./install.ps1 -version_ts $True
+      else
+        echo 'building release package...'
+        powershell.exe ./install.ps1
+      fi
+    condition: eq( variables['upload_package'], 'true')
+    displayName: 'build nni bdsit_wheel'
+
+  - script: |
+      cd deployment/pypi
+      if [ $(build_type) = 'prerelease' ]
+      then
+        echo 'uploading prerelease package to testpypi...'
+        python -m twine upload -u $(testpypi_user) -p $(testpypi_pwd) --repository-url https://test.pypi.org/legacy/ dist/*
+      else
+        echo 'uploading release package to pypi...'
+        python -m twine upload -u $(pypi_user) -p $(pypi_pwd) dist/*
+      fi
+    condition: eq( variables['upload_package'], 'true')
+    displayName: 'upload nni package to pypi/testpypi'
\ No newline at end of file

deployment/pypi/README.md

-Python Package Index (PyPI) for NNI
-===
+# Python Package Index (PyPI) for NNI
 
-## 1.Description
 This is the PyPI build and upload tool for NNI project.
 
-## 2.Prepare environment
-Before build and upload NNI package, make sure the below OS and tools are available.
-```
-Ubuntu 16.04 LTS
-make
-wget
-Python >= 3.5
-Pip
-Node.js
-Yarn
-```
-
-## 2.How to build
-```bash
-make
-```
-
-## 3.How to upload
-
-### upload for testing
-```bash
-TWINE_REPOSITORY_URL=https://test.pypi.org/legacy/ make upload
-```
-You may need to input the account and password of https://test.pypi.org during this process.
-
-### upload for release
-```bash
-make upload
-```
-You may need to input the account and password of https://pypi.org during this process.
+## **For Linux**
+
+* __Prepare environment__
+
+  Before build and upload NNI package, make sure the below OS and tools are available.
+  ```
+  Ubuntu 16.04 LTS
+  make
+  wget
+  Python >= 3.5
+  Pip
+  Node.js
+  Yarn
+  ```
+
+* __How to build__
+
+  ```bash
+  make
+  ```
+
+* __How to upload__
+
+  **upload for testing**
+  ```bash
+  TWINE_REPOSITORY_URL=https://test.pypi.org/legacy/ make upload
+  ```
+  You may need to input the account and password of https://test.pypi.org during this process.
+
+  **upload for release**
+  ```bash
+  make upload
+  ```
+  You may need to input the account and password of https://pypi.org during this process.
+
+## **For Windows**
+
+* __Prepare environment__
+
+  Before build and upload NNI package, make sure the below OS and tools are available.
+  ```
+  Windows 10
+  powershell
+  Python >= 3.5
+  Pip
+  Node.js
+  Yarn
+  tar
+  ```
+
+* __How to build__
+
+  ```bash
+  powershell ./install.ps1
+  ```
+
+* __How to upload__
+
+  **upload for testing**
+  ```bash
+  powershell ./upload.ps1
+  ```
+  You may need to input the account and password of https://test.pypi.org during this process.
+
+  **upload for release**
+  ```bash
+  powershell ./upload.ps1 -test $False
+  ```
+  You may need to input the account and password of https://pypi.org during this process.
\ No newline at end of file

deployment/pypi/clean.ps1

+$CWD = $PWD
+$OS_SPEC = "windows"
+Remove-Item $CWD\build -Recurse -Force
+Remove-Item $CWD\dist -Recurse -Force
+Remove-Item $CWD\nni -Recurse -Force
+Remove-Item $CWD\nni.egg-info -Recurse -Force
+Remove-Item $CWD\node-$OS_SPEC-x64 -Recurse -Force
\ No newline at end of file

deployment/pypi/install.ps1

+param([bool]$version_ts=$false)
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$CWD = $PWD
+
+$OS_SPEC = "windows"
+$WHEEL_SPEC = "win_amd64"
+
+$TIME_STAMP = date -u "+%y%m%d%H%M"
+$NNI_VERSION_VALUE = git describe --tags --abbrev=0
+
+# To include time stamp in version value, run:
+# make version_ts=true build
+
+if($version_ts){
+    $NNI_VERSION_VALUE = "$NNI_VERSION_VALUE.$TIME_STAMP"
+}
+
+$NNI_VERSION_TEMPLATE = "999.0.0-developing"
+
+python -m pip install --user --upgrade setuptools wheel
+
+$nodeUrl = "https://aka.ms/nni/nodejs-download/win64"
+$NNI_NODE_ZIP = "$CWD\node-$OS_SPEC-x64.zip"
+$NNI_NODE_FOLDER = "$CWD\node-$OS_SPEC-x64"
+(New-Object Net.WebClient).DownloadFile($nodeUrl, $NNI_NODE_ZIP)
+if(Test-Path $NNI_NODE_FOLDER){
+    Remove-Item $NNI_NODE_FOLDER -Recurse -Force
+}
+New-Item $NNI_NODE_FOLDER -ItemType Directory
+cmd /c tar -xf $NNI_NODE_ZIP -C $NNI_NODE_FOLDER --strip-components 1
+
+cd $CWD\..\..\src\nni_manager
+yarn
+yarn build
+cd $CWD\..\..\src\webui 
+yarn
+yarn build
+if(Test-Path $CWD\nni){
+    Remove-Item $CWD\nni -r -fo
+}
+Copy-Item $CWD\..\..\src\nni_manager\dist $CWD\nni -Recurse
+Copy-Item $CWD\..\..\src\webui\build $CWD\nni\static -Recurse
+Copy-Item $CWD\..\..\src\nni_manager\package.json $CWD\nni
+(Get-Content $CWD\nni\package.json).replace($NNI_VERSION_TEMPLATE, $NNI_VERSION_VALUE) | Set-Content $CWD\nni\package.json
+cd $CWD\nni
+yarn --prod
+cd $CWD
+(Get-Content setup.py).replace($NNI_VERSION_TEMPLATE, $NNI_VERSION_VALUE) | Set-Content setup.py
+python setup.py bdist_wheel -p $WHEEL_SPEC
\ No newline at end of file

deployment/pypi/setup.py

@@ -27,10 +27,15 @@ if os_type == 'Linux':
     os_name = 'POSIX :: Linux'
 elif os_type == 'Darwin':
     os_name = 'MacOS'
+elif os_type == 'Windows':
+    os_name = 'Microsoft :: Windows'
 else:
     raise NotImplementedError('current platform {} not supported'.format(os_type))
 
 data_files = [('bin', ['node-{}-x64/bin/node'.format(os_type.lower())])]
+if os_type == 'Windows':
+    data_files = [('.\Scripts', ['node-{}-x64/node.exe'.format(os_type.lower())])]
+
 for (dirpath, dirnames, filenames) in walk('./nni'):
     files = [path.normpath(path.join(dirpath, filename)) for filename in filenames]
     data_files.append((path.normpath(dirpath), files))
@@ -69,7 +74,8 @@ setuptools.setup(
         'json_tricks',
         'numpy',
         'scipy',
-        'coverage'
+        'coverage',
+        'colorama'
     ],
     classifiers = [
         'Programming Language :: Python :: 3',

deployment/pypi/upload.ps1

+param([bool]$test=$true)
+python -m pip install --user --upgrade twine
+if($test){
+    python -m twine upload --repository-url https://test.pypi.org/legacy/ dist/*
+}
+else{
+    python -m twine upload dist/*
+}
\ No newline at end of file

docs/en_US/Installation.md

 # Installation of NNI
 
-Currently we only support installation on Linux & Mac.
+Currently we support installation on Linux, Mac and Windows.
 
-## **Installation**
+## **Installation on Linux & Mac**
 
 * __Install NNI through pip__
 
@@ -13,7 +13,7 @@ Currently we only support installation on Linux & Mac.
 
 * __Install NNI through source code__
 
-  Prerequisite: `python >=3.5, git, wget`
+  Prerequisite: `python >=3.5`, `git`, `wget`
   ```bash
   git clone -b v0.6 https://github.com/Microsoft/nni.git
   cd nni
@@ -24,6 +24,29 @@ Currently we only support installation on Linux & Mac.
 
   You can also install NNI in a docker image. Please follow the instructions [here](https://github.com/Microsoft/nni/tree/master/deployment/docker/README.md) to build NNI docker image. The NNI docker image can also be retrieved from Docker Hub through the command `docker pull msranni/nni:latest`.
 
+## **Installation on Windows**
+
+* __Install NNI through pip__
+
+  Prerequisite: `python >= 3.5`
+  ```bash
+  python -m pip install --upgrade nni
+  ```
+
+* __Install NNI through source code__
+
+  Prerequisite: `python >=3.5`, `git`, `powershell`    
+  When you use powershell to run script for the first time, you need run powershell as Administrator with this command:
+  ```bash
+  Set-ExecutionPolicy -ExecutionPolicy Unrestricted
+  ```
+  Then you can install nni as administrator or current user as follows:
+  ```bash
+  git clone https://github.com/Microsoft/nni.git
+  cd nni
+  powershell ./install.ps1
+  ```
+
 ## **System requirements**
 
 Below are the minimum system requirements for NNI on Linux. Due to potential programming changes, the minimum system requirements for NNI may change over time.
@@ -50,6 +73,18 @@ Below are the minimum system requirements for NNI on macOS. Due to potential pro
 |**Internet**|Boardband internet connection|
 |**Resolution**|1024 x 768 minimum display resolution|
 
+Below are the minimum system requirements for NNI on Windows. Due to potential programming changes, the minimum system requirements for NNI may change over time.
+
+||Minimum Requirements|Recommended Specifications|
+|---|---|---|
+|**Operating System**|Windows 10|Windows 10|
+|**CPU**|Intel® Core™ i3 or AMD Phenom™ X3 8650|Intel® Core™ i5 or AMD Phenom™ II X3 or better|
+|**GPU**|NVIDIA® GeForce® GTX 460|NVIDIA® GeForce® GTX 660 or better|
+|**Memory**|4 GB RAM|6 GB RAM|
+|**Storage**|30 GB available hare drive space|
+|**Internet**|Boardband internet connection|
+|**Resolution**|1024 x 768 minimum display resolution|
+
 ## Further reading
 
 * [Overview](Overview.md)

examples/trials/cifar10_pytorch/utils.py

@@ -43,7 +43,7 @@ def init_params(net):
 
 term_width = 0
 try:
-    _, term_width = os.popen('stty size', 'r').read().split()
+    term_width = os.get_terminal_size().columns
 except Exception as exception:
     term_width = 200
 term_width = int(term_width)

install.ps1

+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+$install_node = $true
+$install_yarn = $true
+
+# nodejs
+$nodeUrl = "https://aka.ms/nni/nodejs-download/win64"
+$yarnUrl = "https://yarnpkg.com/latest.tar.gz"
+$unzipNodeDir = "node-v*"
+$unzipYarnDir = "yarn-v*"
+
+$NNI_DEPENDENCY_FOLDER = "C:\tmp\$env:USERNAME"
+
+$WHICH_PYTHON = where.exe python
+if($WHICH_PYTHON -eq $null){
+    throw "Can not find python"
+}
+else{
+    $pyVersion = & python -V 2>&1
+    $pyVersion =  ([string]$pyVersion).substring(7,3)
+    if([double]$pyVersion -lt 3.5){
+        throw "python version should >= 3.5"
+    }
+}
+
+$WHICH_PIP = where.exe pip
+if($WHICH_PIP -eq $null){
+    throw "Can not find pip"
+}
+
+$env:PYTHONIOENCODING = "UTF-8"
+if($env:VIRTUAL_ENV){
+    $NNI_PYTHON3 = $env:VIRTUAL_ENV + "\Scripts"
+    $NNI_PKG_FOLDER = $env:VIRTUAL_ENV + "\nni"
+    $NNI_PYTHON_SCRIPTS = $NNI_PYTHON3
+}
+else{
+    $NNI_PYTHON3 = $(python -c 'import site; from pathlib import Path; print(Path(site.getsitepackages()[0]))')
+    $NNI_PKG_FOLDER = $NNI_PYTHON3 + "\nni"
+    $NNI_PYTHON_SCRIPTS =  $NNI_PYTHON3 + "\Scripts"
+}
+
+$PIP_INSTALL = """$NNI_PYTHON3\python"" -m pip install ."
+
+if(!(Test-Path $NNI_DEPENDENCY_FOLDER)){
+    New-Item $NNI_DEPENDENCY_FOLDER -ItemType Directory
+}
+$NNI_NODE_ZIP = $NNI_DEPENDENCY_FOLDER+"\nni-node.zip"
+$NNI_NODE_FOLDER = $NNI_DEPENDENCY_FOLDER+"\nni-node"
+$NNI_YARN_TARBALL = $NNI_DEPENDENCY_FOLDER+"\nni-yarn.tar.gz"
+$NNI_YARN_FOLDER = $NNI_DEPENDENCY_FOLDER+"\nni-yarn"
+$NNI_YARN = $NNI_YARN_FOLDER +"\bin\yarn"
+
+## Version number
+$NNI_VERSION_VALUE = $(git describe --tags)
+$NNI_VERSION_TEMPLATE = "999.0.0-developing"
+
+if(!(Test-Path $NNI_NODE_ZIP)){
+    Write-Host "Downloading Node..."
+    (New-Object Net.WebClient).DownloadFile($nodeUrl, $NNI_NODE_ZIP)
+}
+
+if(!(Test-Path $NNI_YARN_TARBALL)){
+    Write-Host "Downloading Yarn..."
+    (New-Object Net.WebClient).DownloadFile($yarnUrl, $NNI_YARN_TARBALL)
+}
+
+$NNI_YARN_TARBALL = $NNI_YARN_TARBALL -split '\\' -join '\\'
+$NNI_DEPENDENCY_FOLDER = $NNI_DEPENDENCY_FOLDER -split '\\' -join '\\'
+$SCRIPT_PATH = $NNI_DEPENDENCY_FOLDER + '\extract.py'
+$SCRIPT =  "import tarfile",
+       ("tar = tarfile.open(""{0}"")" -f $NNI_YARN_TARBALL),
+       ("tar.extractall(""{0}"")" -f $NNI_DEPENDENCY_FOLDER),
+        "tar.close()"
+[System.IO.File]::WriteAllLines($SCRIPT_PATH, $SCRIPT)
+
+Add-Type -AssemblyName System.IO.Compression.FileSystem
+function Unzip{
+    param([string]$zipfile, [string]$outpath)
+    [System.IO.Compression.ZipFile]::ExtractToDirectory($zipfile, $outpath)
+}
+if ($install_node) {
+    ### nodejs install
+    if(!(Test-Path $NNI_NODE_FOLDER)){
+        Unzip $NNI_NODE_ZIP $NNI_DEPENDENCY_FOLDER
+        $unzipNodeDir = Get-ChildItem "$NNI_DEPENDENCY_FOLDER\$unzipNodeDir"
+        Rename-Item $unzipNodeDir "nni-node"
+    }
+    Copy-Item "$NNI_NODE_FOLDER\node.exe" $NNI_PYTHON_SCRIPTS -Recurse -Force
+    ### yarn install
+    if(!(Test-Path $NNI_YARN_FOLDER)){
+        cmd /C """$NNI_PYTHON3\python""" $SCRIPT_PATH
+        $unzipYarnDir = Get-ChildItem "$NNI_DEPENDENCY_FOLDER\$unzipYarnDir"
+        Rename-Item $unzipYarnDir "nni-yarn"
+    }
+}
+
+## install-python-modules:
+### Installing Python SDK
+(Get-Content setup.py).replace($NNI_VERSION_TEMPLATE, $NNI_VERSION_VALUE) | Set-Content setup.py
+cmd /c $PIP_INSTALL
+
+# Building NNI Manager
+$env:PATH=$NNI_PYTHON_SCRIPTS+';'+$env:PATH
+cd src\nni_manager
+cmd /c $NNI_YARN
+cmd /c $NNI_YARN build
+Copy-Item config -Destination .\dist\ -Recurse -Force
+# Building WebUI
+cd ..\webui
+cmd /c $NNI_YARN
+cmd /c $NNI_YARN build
+
+cd ..\..
+
+## install-node-modules
+if(!(Test-Path $NNI_PKG_FOLDER)){
+    New-Item $NNI_PKG_FOLDER -ItemType Directory
+}
+Remove-Item $NNI_PKG_FOLDER -Recurse -Force
+Copy-Item "src\nni_manager\dist" $NNI_PKG_FOLDER -Recurse
+Copy-Item "src\nni_manager\package.json" $NNI_PKG_FOLDER
+$PKG_JSON = $NNI_PKG_FOLDER + "\package.json"
+(Get-Content $PKG_JSON).replace($NNI_VERSION_TEMPLATE, $NNI_VERSION_VALUE) | Set-Content $PKG_JSON
+cmd /c $NNI_YARN --prod --cwd $NNI_PKG_FOLDER
+$NNI_PKG_FOLDER_STATIC = $NNI_PKG_FOLDER + "\static"
+Copy-Item "src\webui\build" $NNI_PKG_FOLDER_STATIC -Recurse

setup.py

@@ -55,7 +55,8 @@ setup(
         'requests',
         'scipy',
         'schema',
-        'PythonWebHDFS'
+        'PythonWebHDFS',
+        'colorama'
     ],
 
     entry_points = {

src/nni_manager/common/utils.ts

@@ -22,6 +22,8 @@
 import * as assert from 'assert';
 import { randomBytes } from 'crypto';
 import * as cpp from 'child-process-promise';
+import * as cp from 'child_process';
+import { ChildProcess, spawn, StdioOptions } from 'child_process';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
@@ -32,6 +34,7 @@ import * as util from 'util';
 import { Database, DataStore } from './datastore';
 import { ExperimentStartupInfo, getExperimentId, getExperimentStartupInfo, setExperimentStartupInfo } from './experimentStartupInfo';
 import { Manager } from './manager';
+import { TrialConfig } from '../training_service/common/trialConfig';
 import { HyperParameters, TrainingService, TrialJobStatus } from './trainingService';
 import { getLogger } from './log';
 
@@ -65,7 +68,7 @@ function mkDirP(dirPath: string): Promise<void> {
         } else {
             const parent: string = path.dirname(dirPath);
             mkDirP(parent).then(() => {
-                fs.mkdir(dirPath, (err: Error) => {
+                fs.mkdir(dirPath, (err: Error | null) => {
                     if (err) {
                         deferred.reject(err);
                     } else {
@@ -146,6 +149,23 @@ function parseArg(names: string[]): string {
     return '';
 }
 
+function encodeCmdLineArgs(args:any):any{
+    if(process.platform === 'win32'){
+        return JSON.stringify(args);
+    }
+    else{
+        return JSON.stringify(JSON.stringify(args));
+    }
+}
+
+function getCmdPy():string{
+    let cmd = 'python3';
+    if(process.platform === 'win32'){
+        cmd = 'python';
+    }
+    return cmd;
+}
+
 /**
  * Generate command line to start automl algorithm(s), 
  * either start advisor or start a process which runs tuner and assessor
@@ -179,8 +199,7 @@ function getMsgDispatcherCommand(tuner: any, assessor: any, advisor: any, multiP
     if (!tuner && !advisor) {
         throw new Error('Error: specify neither tuner nor advisor is not allowed');
     }
-
-    let command: string = `python3 -m nni`;
+    let command: string = `${getCmdPy()} -m nni`;
     if (multiPhase) {
         command += ' --multi_phase';
     }
@@ -192,7 +211,7 @@ function getMsgDispatcherCommand(tuner: any, assessor: any, advisor: any, multiP
     if (advisor) {
         command += ` --advisor_class_name ${advisor.className}`;
         if (advisor.classArgs !== undefined) {
-            command += ` --advisor_args ${JSON.stringify(JSON.stringify(advisor.classArgs))}`;
+            command += ` --advisor_args ${encodeCmdLineArgs(advisor.classArgs)}`;
         }
         if (advisor.codeDir !== undefined && advisor.codeDir.length > 1) {
             command += ` --advisor_directory ${advisor.codeDir}`;
@@ -203,7 +222,7 @@ function getMsgDispatcherCommand(tuner: any, assessor: any, advisor: any, multiP
     } else {
         command += ` --tuner_class_name ${tuner.className}`;
         if (tuner.classArgs !== undefined) {
-            command += ` --tuner_args ${JSON.stringify(JSON.stringify(tuner.classArgs))}`;
+            command += ` --tuner_args ${encodeCmdLineArgs(tuner.classArgs)}`;
         }
         if (tuner.codeDir !== undefined && tuner.codeDir.length > 1) {
             command += ` --tuner_directory ${tuner.codeDir}`;
@@ -215,7 +234,7 @@ function getMsgDispatcherCommand(tuner: any, assessor: any, advisor: any, multiP
         if (assessor !== undefined && assessor.className !== undefined) {
             command += ` --assessor_class_name ${assessor.className}`;
             if (assessor.classArgs !== undefined) {
-                command += ` --assessor_args ${JSON.stringify(JSON.stringify(assessor.classArgs))}`;
+                command += ` --assessor_args ${encodeCmdLineArgs(assessor.classArgs)}`;
             }
             if (assessor.codeDir !== undefined && assessor.codeDir.length > 1) {
                 command += ` --assessor_directory ${assessor.codeDir}`;
@@ -363,6 +382,83 @@ async function getVersion(): Promise<string> {
     return deferred.promise;
 } 
 
+/**
+ * run command as ChildProcess
+ */
+function getTunerProc(command: string, stdio: StdioOptions, newCwd: string, newEnv: any): ChildProcess{
+    let cmd: string = command;
+    let arg: string[] = [];
+    let newShell: boolean = true;
+    if(process.platform === "win32"){
+        cmd = command.split(" ", 1)[0];
+        arg = command.substr(cmd.length+1).split(" ");
+        newShell = false;
+    }
+    const tunerProc: ChildProcess = spawn(cmd, arg, {
+        stdio,
+        cwd: newCwd,
+        env: newEnv,
+        shell: newShell
+    });
+    return tunerProc;
+}
+
+/**
+ * judge whether the process is alive
+ */
+async function isAlive(pid:any): Promise<boolean>{
+    let deferred : Deferred<boolean> = new Deferred<boolean>();
+    let alive: boolean = false;
+    if(process.platform ==='win32'){
+        try {
+            const str = cp.execSync(`powershell.exe Get-Process -Id ${pid} -ErrorAction SilentlyContinue`).toString();
+            if (str) {
+                alive = true;
+            }
+        }
+        catch (error) {
+        }
+    }
+    else{
+        try {
+            await cpp.exec(`kill -0 ${pid}`);
+            alive = true;
+        } catch (error) {
+            //ignore
+        }
+    }
+    deferred.resolve(alive);
+    return deferred.promise;
+}
+
+/**
+ * kill process 
+ */
+async function killPid(pid:any): Promise<void>{
+    let deferred : Deferred<void> = new Deferred<void>();
+    try {
+        if (process.platform === "win32") {
+            await cpp.exec(`cmd /c taskkill /PID ${pid} /F`);
+        }
+        else{
+            await cpp.exec(`kill -9 ${pid}`);
+        }
+    } catch (error) {
+        // pid does not exist, do nothing here
+    }
+    deferred.resolve();
+    return deferred.promise;
+}
+
+function getNewLine(): string{
+    if (process.platform === "win32") {
+        return "\r\n";
+    }
+    else{
+        return "\n";
+    }
+}
+
 export {countFilesRecursively, getRemoteTmpDir, generateParamFileName, getMsgDispatcherCommand, getCheckpointDir,
     getLogDir, getExperimentRootDir, getJobCancelStatus, getDefaultDatabaseDir, getIPV4Address, 
-    mkDirP, delay, prepareUnitTest, parseArg, cleanupUnitTest, uniqueString, randomSelect, getLogLevel, getVersion };
+    mkDirP, delay, prepareUnitTest, parseArg, cleanupUnitTest, uniqueString, randomSelect, getLogLevel, getVersion, getCmdPy, getTunerProc, isAlive, killPid, getNewLine };

src/nni_manager/core/nnimanager.ts

@@ -35,7 +35,7 @@ import {
 import {
     TrainingService, TrialJobApplicationForm, TrialJobDetail, TrialJobMetric, TrialJobStatus
 } from '../common/trainingService';
-import { delay, getCheckpointDir, getExperimentRootDir, getLogDir, getMsgDispatcherCommand, mkDirP, getLogLevel } from '../common/utils';
+import { delay, getCheckpointDir, getExperimentRootDir, getLogDir, getMsgDispatcherCommand, mkDirP, getTunerProc, getLogLevel, isAlive, killPid } from '../common/utils';
 import {
     ADD_CUSTOMIZED_TRIAL_JOB, INITIALIZE, INITIALIZED, KILL_TRIAL_JOB, NEW_TRIAL_JOB, NO_MORE_TRIAL_JOBS, PING,
     REPORT_METRIC_DATA, REQUEST_TRIAL_JOBS, SEND_TRIAL_JOB_PARAMETER, TERMINATE, TRIAL_END, UPDATE_SEARCH_SPACE, IMPORT_DATA
@@ -301,12 +301,7 @@ class NNIManager implements Manager {
             NNI_INCLUDE_INTERMEDIATE_RESULTS: includeIntermediateResultsEnv
         };
         let newEnv = Object.assign({}, process.env, nniEnv);
-        const tunerProc: ChildProcess = spawn(command, [], {
-            stdio,
-            cwd: newCwd,
-            env: newEnv,
-            shell: true
-        });
+        const tunerProc: ChildProcess = getTunerProc(command,stdio,newCwd,newEnv);
         this.dispatcherPid = tunerProc.pid;
         this.dispatcher = createDispatcherInterface(tunerProc);
 
@@ -352,16 +347,10 @@ class NNIManager implements Manager {
         // gracefully terminate tuner and assessor here, wait at most 30 seconds.
         for (let i: number = 0; i < 30; i++) {
             if (!tunerAlive) { break; }
-            try {
-                await cpp.exec(`kill -0 ${this.dispatcherPid}`);
-            } catch (error) { tunerAlive = false; }
+            tunerAlive = await isAlive(this.dispatcherPid);
             await delay(1000);
         }
-        try {
-            await cpp.exec(`kill -9 ${this.dispatcherPid}`);
-        } catch (error) {
-            // this.tunerPid does not exist, do nothing here
-        }
+        await killPid(this.dispatcherPid);
         const trialJobList: TrialJobDetail[] = await this.trainingService.listTrialJobs();
         // TO DO: to promise all
         for (const trialJob of trialJobList) {

src/nni_manager/core/test/dataStore.test.ts

@@ -42,6 +42,7 @@ describe('Unit test for dataStore', () => {
     });
 
     after(() => {
+        ds.close();
         cleanupUnitTest();
     });
 

src/nni_manager/core/test/ipcInterface.test.ts

@@ -18,11 +18,10 @@
  */
 
 'use strict';
-
 import * as assert from 'assert';
 import { ChildProcess, spawn, StdioOptions } from 'child_process';
 import { Deferred } from 'ts-deferred';
-import { cleanupUnitTest, prepareUnitTest } from '../../common/utils';
+import { cleanupUnitTest, prepareUnitTest, getTunerProc, getCmdPy } from '../../common/utils';
 import * as CommandType from '../commands';
 import { createDispatcherInterface, IpcInterface } from '../ipcInterface';
 import { NNIError } from '../../common/errors';
@@ -39,15 +38,21 @@ function runProcess(): Promise<Error | null> {
 
     // create fake assessor process
     const stdio: StdioOptions = ['ignore', 'pipe', process.stderr, 'pipe', 'pipe'];
-    const proc: ChildProcess = spawn('python3 assessor.py', [], { stdio, cwd: 'core/test', shell: true });
-
+    const command: string = getCmdPy() + ' assessor.py';
+    const proc: ChildProcess = getTunerProc(command, stdio,  'core/test', process.env);
     // record its sent/received commands on exit
     proc.on('error', (error: Error): void => { deferred.resolve(error); });
     proc.on('exit', (code: number): void => {
         if (code !== 0) {
             deferred.resolve(new Error(`return code: ${code}`));
         } else {
-            sentCommands = proc.stdout.read().toString().split('\n');
+            let str = proc.stdout.read().toString();       
+            if(str.search("\r\n")!=-1){
+                sentCommands = str.split("\r\n");
+            }
+            else{ 
+                sentCommands = str.split('\n');
+            }
             deferred.resolve(null);
         }
     });

src/nni_manager/core/test/ipcInterfaceTerminate.test.ts

@@ -22,7 +22,7 @@
 import * as assert from 'assert';
 import { ChildProcess, spawn, StdioOptions } from 'child_process';
 import { Deferred } from 'ts-deferred';
-import { cleanupUnitTest, prepareUnitTest, getMsgDispatcherCommand } from '../../common/utils';
+import { cleanupUnitTest, prepareUnitTest, getMsgDispatcherCommand, getTunerProc } from '../../common/utils';
 import * as CommandType from '../commands';
 import { createDispatcherInterface, IpcInterface } from '../ipcInterface';
 
@@ -50,9 +50,7 @@ function startProcess(): void {
         // advisor
         undefined
     );
-
-    const proc: ChildProcess = spawn(dispatcherCmd, [], { stdio, cwd: 'core/test', shell: true });
-
+    const proc: ChildProcess = getTunerProc(dispatcherCmd, stdio,  'core/test', process.env);
     proc.on('error', (error: Error): void => {
         procExit = true;
         procError = true;

src/nni_manager/core/test/nnimanager.test.ts

@@ -33,6 +33,7 @@ import { NNIManager } from '../nnimanager';
 import { SqlDB } from '../sqlDatabase';
 import { MockedTrainingService } from './mockedTrainingService';
 import { MockedDataStore } from './mockedDatastore';
+import * as path from 'path';
 
 async function initContainer(): Promise<void> {
     prepareUnitTest();
@@ -183,7 +184,7 @@ describe('Unit test for nnimanager', function () {
     it('test getExperimentProfile', () => {
         return nniManager.getExperimentProfile().then((experimentProfile) => {
             expect(experimentProfile.id).to.be.equal('unittest');
-            expect(experimentProfile.logDir).to.be.equal(os.homedir()+'/nni/experiments/unittest');
+            expect(experimentProfile.logDir).to.be.equal(path.join(os.homedir(),'nni','experiments','unittest'));
 
         }).catch((error) => {
             assert.fail(error);

src/nni_manager/package.json

@@ -3,7 +3,6 @@
   "version": "999.0.0-developing",
   "main": "index.js",
   "scripts": {
-    "postbuild": "cp -rf config ./dist/",
     "build": "tsc",
     "test": "nyc mocha -r ts-node/register -t 15000 --recursive **/*.test.ts --exclude node_modules/**/**/*.test.ts --colors",
     "start": "node dist/main.js",

src/nni_manager/training_service/common/gpuData.ts

@@ -59,10 +59,17 @@ export class GPUSummary {
     }
 }
 
-export const GPU_INFO_COLLECTOR_FORMAT: string = 
+export const GPU_INFO_COLLECTOR_FORMAT_LINUX: string = 
 `
 #!/bin/bash
 export METRIC_OUTPUT_DIR={0}
 echo $$ >{1}
 python3 -m nni_gpu_tool.gpu_metrics_collector
 `
+
+export const GPU_INFO_COLLECTOR_FORMAT_WINDOWS: string = 
+`
+$env:METRIC_OUTPUT_DIR="{0}"
+$app = Start-Process "python" -ArgumentList "-m nni_gpu_tool.gpu_metrics_collector" -passthru -NoNewWindow
+Write $app.ID | Out-File {1} -NoNewline -encoding utf8
+`
\ No newline at end of file

src/nni_manager/training_service/common/util.ts

@@ -22,6 +22,12 @@ import { getLogger } from "common/log";
 'use strict';
 
 import { countFilesRecursively } from '../../common/utils'
+import * as cpp from 'child-process-promise';
+import * as cp from 'child_process';
+import { GPU_INFO_COLLECTOR_FORMAT_LINUX, GPU_INFO_COLLECTOR_FORMAT_WINDOWS } from './gpuData'
+import * as path from 'path';
+import { String } from 'typescript-string-operations';
+import { file } from "../../node_modules/@types/tmp";
 
 /**
  * Validate codeDir, calculate file count recursively under codeDir, and throw error if any rule is broken
@@ -45,4 +51,131 @@ export async function validateCodeDir(codeDir: string) : Promise<number> {
     }
 
     return fileCount;
-}
\ No newline at end of file
+}
+
+/**
+ * crete a new directory
+ * @param directory 
+ */
+export async function execMkdir(directory: string): Promise<void> {
+    if (process.platform === 'win32') {
+        await cpp.exec(`powershell.exe New-Item -Path ${directory} -ItemType "directory" -Force`);
+    } else {
+        await cpp.exec(`mkdir -p ${directory}`);
+    }
+    return Promise.resolve();
+}
+
+/**
+ * crete a new file
+ * @param filename 
+ */
+export async function execNewFile(filename: string): Promise<void> {
+    if (process.platform === 'win32') {
+        await cpp.exec(`powershell.exe New-Item -Path ${filename} -ItemType "file" -Force`);
+    } else {
+        await cpp.exec(`touch ${filename}`);
+    }
+    return Promise.resolve();
+}
+
+/**
+ * run script
+ * @param filePath
+ */
+export function execScript(filePath: string): cp.ChildProcess {
+    if (process.platform === 'win32') {
+        return cp.exec(`powershell.exe -file ${filePath}`);
+    } else {
+        return cp.exec(`bash ${filePath}`);
+    }
+}
+
+
+
+/**
+ * output the last line of a file
+ * @param filePath 
+ */
+export async function execTail(filePath: string): Promise<cpp.childProcessPromise.Result> {
+    let cmdresult: cpp.childProcessPromise.Result;
+    if (process.platform === 'win32') {
+        cmdresult = await cpp.exec(`powershell.exe Get-Content ${filePath} -Tail 1`);
+    } else {
+        cmdresult = await cpp.exec(`tail -n 1 ${filePath}`);
+    }
+    return Promise.resolve(cmdresult);
+}
+
+/**
+ * delete a directory
+ * @param directory 
+ */
+export async function execRemove(directory: string): Promise<void>{
+    if (process.platform === 'win32') {
+        await cpp.exec(`powershell.exe Remove-Item ${directory}`);
+    } else {
+        await cpp.exec(`rm -rf ${directory}`);
+    }
+    return Promise.resolve();
+}
+
+/**
+ * kill a process
+ * @param directory 
+ */
+export async function execKill(pid: string): Promise<void>{
+    if (process.platform === 'win32') {
+        await cpp.exec(`cmd /c taskkill /PID ${pid} /T /F`);
+    } else {
+        await cpp.exec(`pkill -P ${pid}`);
+    }
+    return Promise.resolve();
+}
+
+/**
+ * set environment variable
+ * @param  variable
+ * @returns command string  
+ */
+export function setEnvironmentVariable(variable: { key: string; value: string }): string{
+    if (process.platform === 'win32') {
+        return `$env:${variable.key}="${variable.value}"`;
+    }
+    else{
+        return `export ${variable.key}=${variable.value}`;
+    }
+}
+
+
+/**
+ * generate script file name
+ * @param fileNamePrefix 
+ */
+export function getScriptName(fileNamePrefix: string): string {
+    if (process.platform === 'win32') {
+        return fileNamePrefix + '.ps1';
+    } else {
+        return fileNamePrefix + '.sh';
+    }
+}
+
+/**
+ * generate script file
+ * @param gpuMetricCollectorScriptFolder 
+ */
+export function getgpuMetricsCollectorScriptContent(gpuMetricCollectorScriptFolder: string): string {
+    if(process.platform === 'win32') {
+        return String.Format(
+            GPU_INFO_COLLECTOR_FORMAT_WINDOWS,
+            gpuMetricCollectorScriptFolder,
+            path.join(gpuMetricCollectorScriptFolder, 'pid'),
+        );
+    } else {
+        return String.Format(
+            GPU_INFO_COLLECTOR_FORMAT_LINUX,
+            gpuMetricCollectorScriptFolder,
+            path.join(gpuMetricCollectorScriptFolder, 'pid'),
+        );
+    }
+}