Merge pull request #163 from Microsoft/master

merge master

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

@@ -51,11 +51,12 @@ setup(
         'json_tricks',
         'numpy',
         'psutil',
-        'pyyaml',
+        'ruamel.yaml',
         'requests',
         'scipy',
         'schema',
-        'PythonWebHDFS'
+        'PythonWebHDFS',
+        'colorama'
     ],
 
     entry_points = {

src/nni_manager/common/datastore.ts

@@ -22,7 +22,7 @@
 import { ExperimentProfile, TrialJobStatistics } from './manager';
 import { TrialJobDetail, TrialJobStatus } from './trainingService';
 
-type TrialJobEvent = TrialJobStatus | 'USER_TO_CANCEL' | 'ADD_CUSTOMIZED' | 'ADD_HYPERPARAMETER';
+type TrialJobEvent = TrialJobStatus | 'USER_TO_CANCEL' | 'ADD_CUSTOMIZED' | 'ADD_HYPERPARAMETER' | 'IMPORT_DATA';
 type MetricType = 'PERIODICAL' | 'FINAL' | 'CUSTOM' | 'REQUEST_PARAMETER';
 
 interface ExperimentProfileRecord {

src/nni_manager/common/manager.ts

@@ -99,6 +99,7 @@ abstract class Manager {
     public abstract stopExperiment(): Promise<void>;
     public abstract getExperimentProfile(): Promise<ExperimentProfile>;
     public abstract updateExperimentProfile(experimentProfile: ExperimentProfile, updateType: ProfileUpdateType): Promise<void>;
+    public abstract importData(data: string): Promise<void>;
 
     public abstract addCustomizedTrialJob(hyperParams: string): Promise<void>;
     public abstract cancelTrialJobByUser(trialJobId: string): Promise<void>;

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';
 
@@ -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/commands.ts

@@ -22,6 +22,7 @@ const INITIALIZE = 'IN';
 const REQUEST_TRIAL_JOBS = 'GE';
 const REPORT_METRIC_DATA = 'ME';
 const UPDATE_SEARCH_SPACE = 'SS';
+const IMPORT_DATA = 'FD'
 const ADD_CUSTOMIZED_TRIAL_JOB = 'AD';
 const TRIAL_END = 'EN';
 const TERMINATE = 'TE';
@@ -38,6 +39,7 @@ const TUNER_COMMANDS: Set<string> = new Set([
     REQUEST_TRIAL_JOBS,
     REPORT_METRIC_DATA,
     UPDATE_SEARCH_SPACE,
+    IMPORT_DATA,
     ADD_CUSTOMIZED_TRIAL_JOB,
     TERMINATE,
     PING,
@@ -62,6 +64,7 @@ export {
     REQUEST_TRIAL_JOBS,
     REPORT_METRIC_DATA,
     UPDATE_SEARCH_SPACE,
+    IMPORT_DATA,
     ADD_CUSTOMIZED_TRIAL_JOB,
     TRIAL_END,
     TERMINATE,

src/nni_manager/core/nnimanager.ts

@@ -35,10 +35,10 @@ 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
+    REPORT_METRIC_DATA, REQUEST_TRIAL_JOBS, SEND_TRIAL_JOB_PARAMETER, TERMINATE, TRIAL_END, UPDATE_SEARCH_SPACE, IMPORT_DATA
 } from './commands';
 import { createDispatcherInterface, IpcInterface } from './ipcInterface';
 
@@ -99,6 +99,17 @@ class NNIManager implements Manager {
         return this.storeExperimentProfile();
     }
 
+    public importData(data: string): Promise<void> {
+        if (this.dispatcher === undefined) {
+            return Promise.reject(
+                new Error('tuner has not been setup')
+            );
+        }
+        this.dispatcher.sendCommand(IMPORT_DATA, data);
+
+        return this.dataStore.storeTrialJobEvent('IMPORT_DATA', '', data);
+    }
+
     public addCustomizedTrialJob(hyperParams: string): Promise<void> {
         if (this.currSubmittedTrialNum >= this.experimentProfile.params.maxTrialNum) {
             return Promise.reject(
@@ -290,12 +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);
 
@@ -341,16 +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",
@@ -35,7 +34,7 @@
     "@types/express": "^4.16.0",
     "@types/glob": "^7.1.1",
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.12.18",
+    "@types/node": "10.12.18",
     "@types/request": "^2.47.1",
     "@types/rx": "^4.1.1",
     "@types/sqlite3": "^3.1.3",

src/nni_manager/rest_server/restHandler.ts

@@ -63,6 +63,7 @@ class NNIRestHandler {
         this.checkStatus(router);
         this.getExperimentProfile(router);
         this.updateExperimentProfile(router);
+        this.importData(router);
         this.startExperiment(router);
         this.getTrialJobStatistics(router);
         this.setClusterMetaData(router);
@@ -144,6 +145,16 @@ class NNIRestHandler {
             });
         });
     }
+    
+    private importData(router: Router): void {
+        router.post('/experiment/import-data', (req: Request, res: Response) => {
+            this.nniManager.importData(JSON.stringify(req.body)).then(() => {
+                res.send();
+            }).catch((err: Error) => {
+                this.handle_error(err, res);
+            });
+        });
+    }
 
     private startExperiment(router: Router): void {
         router.post('/experiment', expressJoi(ValidationSchemas.STARTEXPERIMENT), (req: Request, res: Response) => {

src/nni_manager/rest_server/test/mockedNNIManager.ts

@@ -46,6 +46,9 @@ export class MockedNNIManager extends Manager {
     public updateExperimentProfile(experimentProfile: ExperimentProfile, updateType: ProfileUpdateType): Promise<void> {
         return Promise.resolve();
     }
+    public importData(data: string): Promise<void> {
+        return Promise.resolve();
+    }
     public getTrialJobStatistics(): Promise<TrialJobStatistics[]> {
         const deferred: Deferred<TrialJobStatistics[]> = new Deferred<TrialJobStatistics[]>();
         deferred.resolve([{

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'),
+        );
+    }
+}

src/nni_manager/training_service/local/gpuScheduler.ts

@@ -25,9 +25,10 @@ import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
 import { String } from 'typescript-string-operations';
+import { execMkdir, getScriptName, getgpuMetricsCollectorScriptContent, execScript, execTail, execRemove, execKill } from '../common/util'
 import { getLogger, Logger } from '../../common/log';
 import { delay } from '../../common/utils';
-import { GPU_INFO_COLLECTOR_FORMAT, GPUInfo, GPUSummary } from '../common/gpuData';
+import { GPUInfo, GPUSummary } from '../common/gpuData';
 
 /**
  * GPUScheduler for local training service
@@ -57,6 +58,19 @@ class GPUScheduler {
         }
     }
 
+    /**
+     * Generate gpu metric collector shell script in local machine, 
+     * used to run in remote machine, and will be deleted after uploaded from local. 
+     */
+    private async runGpuMetricsCollectorScript(): Promise<void> {
+        await execMkdir(this.gpuMetricCollectorScriptFolder);
+        //generate gpu_metrics_collector script
+        let gpuMetricsCollectorScriptPath: string = path.join(this.gpuMetricCollectorScriptFolder, getScriptName('gpu_metrics_collector'));
+        const gpuMetricsCollectorScriptContent: string = getgpuMetricsCollectorScriptContent(this.gpuMetricCollectorScriptFolder);
+        await fs.promises.writeFile(gpuMetricsCollectorScriptPath, gpuMetricsCollectorScriptContent, { encoding: 'utf8' });
+        execScript(gpuMetricsCollectorScriptPath)
+    }
+
     public getAvailableGPUIndices(): number[] {
         if (this.gpuSummary !== undefined) {
             return this.gpuSummary.gpuInfos.filter((info: GPUInfo) => info.activeProcessNum === 0)
@@ -78,33 +92,16 @@ class GPUScheduler {
         this.stopping = true;
         try {
             const pid: string = await fs.promises.readFile(path.join(this.gpuMetricCollectorScriptFolder, 'pid'), 'utf8');
-            await cpp.exec(`pkill -P ${pid}`);
-            await cpp.exec(`rm -rf ${this.gpuMetricCollectorScriptFolder}`);
+            await execKill(pid);
+            await execRemove(this.gpuMetricCollectorScriptFolder);
         } catch (error) {
             this.log.error(`GPU scheduler error: ${error}`);
         }
     }
 
-    /**
-     * Generate gpu metric collector shell script in local machine,
-     * used to run in remote machine, and will be deleted after uploaded from local.
-     */
-    private async runGpuMetricsCollectorScript(): Promise<void> {
-        await cpp.exec(`mkdir -p ${this.gpuMetricCollectorScriptFolder}`);
-        //generate gpu_metrics_collector.sh
-        const gpuMetricsCollectorScriptPath: string = path.join(this.gpuMetricCollectorScriptFolder, 'gpu_metrics_collector.sh');
-        const gpuMetricsCollectorScriptContent: string = String.Format(
-            GPU_INFO_COLLECTOR_FORMAT,
-            this.gpuMetricCollectorScriptFolder,
-            path.join(this.gpuMetricCollectorScriptFolder, 'pid')
-        );
-        await fs.promises.writeFile(gpuMetricsCollectorScriptPath, gpuMetricsCollectorScriptContent, { encoding: 'utf8' });
-        cp.exec(`bash ${gpuMetricsCollectorScriptPath}`);
-    }
-
     private async updateGPUSummary(): Promise<void> {
         const cmdresult: cpp.childProcessPromise.Result =
-            await cpp.exec(`tail -n 1 ${path.join(this.gpuMetricCollectorScriptFolder, 'gpu_metrics')}`);
+            await execTail(path.join(this.gpuMetricCollectorScriptFolder, 'gpu_metrics'));
         if (cmdresult && cmdresult.stdout) {
             this.gpuSummary = <GPUSummary>JSON.parse(cmdresult.stdout);
         } else {

src/nni_manager/training_service/local/localTrainingService.ts

@@ -18,7 +18,6 @@
  */
 
 'use strict';
-
 import * as cpp from 'child-process-promise';
 import * as cp from 'child_process';
 import { EventEmitter } from 'events';
@@ -32,7 +31,8 @@ import {
     HostJobApplicationForm, HyperParameters, JobApplicationForm, TrainingService, TrialJobApplicationForm,
     TrialJobDetail, TrialJobMetric, TrialJobStatus
 } from '../../common/trainingService';
-import { delay, generateParamFileName, getExperimentRootDir, getJobCancelStatus, uniqueString } from '../../common/utils';
+import { delay, generateParamFileName, getExperimentRootDir, getJobCancelStatus, uniqueString, isAlive, getNewLine } from '../../common/utils';
+import { execMkdir, getScriptName, execScript, setEnvironmentVariable, execNewFile } from '../common/util'
 import { TrialConfig } from '../common/trialConfig';
 import { TrialConfigMetadataKey } from '../common/trialConfigMetadataKey';
 import { GPUScheduler } from './gpuScheduler';
@@ -169,14 +169,7 @@ class LocalTrainingService implements TrainingService {
             return this.getHostJob(trialJobId);
         }
         if (trialJob.status === 'RUNNING') {
-            let alive: boolean = false;
-            try {
-                await cpp.exec(`kill -0 ${trialJob.pid}`);
-                alive = true;
-            } catch (error) {
-                //ignore
-            }
-
+            let alive: boolean = await isAlive(trialJob.pid);
             if (!alive) {
                 trialJob.endTime = Date.now();
                 this.setTrialJobStatus(trialJob, 'FAILED');
@@ -284,7 +277,9 @@ class LocalTrainingService implements TrainingService {
     public async setClusterMetadata(key: string, value: string): Promise<void> {
         if (!this.initialized) {
             this.rootDir = getExperimentRootDir();
-            await cpp.exec(`mkdir -p ${this.rootDir}`);
+            if(!fs.existsSync(this.rootDir)){
+                await cpp.exec(`powershell.exe mkdir ${this.rootDir}`);
+            }
             this.initialized = true;
         }
         switch (key) {
@@ -369,7 +364,7 @@ class LocalTrainingService implements TrainingService {
 
     private getEnvironmentVariables(
         trialJobDetail: TrialJobDetail,
-        resource?: { gpuIndices: number[] }): { key: string; value: string }[] {
+        resource: { gpuIndices: number[] }): { key: string; value: string }[] {
         const envVariables: { key: string; value: string }[] = [
             { key: 'NNI_PLATFORM', value: 'local' },
             { key: 'NNI_SYS_DIR', value: trialJobDetail.workingDirectory },
@@ -379,12 +374,10 @@ class LocalTrainingService implements TrainingService {
             { key: 'MULTI_PHASE', value: this.isMultiPhase.toString() }
         ];
 
-        if (resource !== undefined && resource.gpuIndices.length > 0) {
-            envVariables.push({
-                    key: 'CUDA_VISIBLE_DEVICES',
-                    value: this.gpuScheduler === undefined ? '' : resource.gpuIndices.join(',')
-            });
-        }
+        envVariables.push({
+            key: 'CUDA_VISIBLE_DEVICES',
+            value: this.gpuScheduler === undefined ? '-1' : resource.gpuIndices.join(',')
+        });
 
         return envVariables;
     }
@@ -467,36 +460,52 @@ class LocalTrainingService implements TrainingService {
         }
     }
 
+    private getScript(localTrailConfig: TrialConfig, workingDirectory: string): string[]{
+        let script: string[] = [];
+        if (process.platform === "win32") {
+            script.push(
+                `cmd /c ${localTrailConfig.command} 2>${path.join(workingDirectory, 'stderr')}`,
+                `$NOW_DATE = [int64](([datetime]::UtcNow)-(get-date "1/1/1970")).TotalSeconds`,
+                `$NOW_DATE = "$NOW_DATE" + "000"`,
+                `Write $LASTEXITCODE " " $NOW_DATE  | Out-File ${path.join(workingDirectory, '.nni', 'state')} -NoNewline -encoding utf8`);
+        }
+        else{
+            script.push(
+                `eval ${localTrailConfig.command} 2>${path.join(workingDirectory, 'stderr')}`,
+                `echo $? \`date +%s000\` >${path.join(workingDirectory, '.nni', 'state')}`);
+        }
+        return script;
+    }
+
     private async runTrialJob(trialJobId: string, resource: {gpuIndices: number[]}): Promise<void> {
         const trialJobDetail: LocalTrialJobDetail = <LocalTrialJobDetail>this.jobMap.get(trialJobId);
         const variables: { key: string; value: string }[] = this.getEnvironmentVariables(trialJobDetail, resource);
 
-        const runScriptLines: string[] = [];
-
         if (!this.localTrailConfig) {
             throw new Error('trial config is not initialized');
         }
-        runScriptLines.push(
-            '#!/bin/bash',
-            `cd ${this.localTrailConfig.codeDir}`);
+        const runScriptLines: string[] = [];
+        if (process.platform !== "win32"){
+            runScriptLines.push('#!/bin/bash');
+        }
+        runScriptLines.push(`cd ${this.localTrailConfig.codeDir}`);
         for (const variable of variables) {
-            runScriptLines.push(`export ${variable.key}=${variable.value}`);
+            runScriptLines.push(setEnvironmentVariable(variable));
         }
-        runScriptLines.push(
-            `eval ${this.localTrailConfig.command} 2>${path.join(trialJobDetail.workingDirectory, 'stderr')}`,
-            `echo $? \`date +%s000\` >${path.join(trialJobDetail.workingDirectory, '.nni', 'state')}`);
-
-        await cpp.exec(`mkdir -p ${trialJobDetail.workingDirectory}`);
-        await cpp.exec(`mkdir -p ${path.join(trialJobDetail.workingDirectory, '.nni')}`);
-        await cpp.exec(`touch ${path.join(trialJobDetail.workingDirectory, '.nni', 'metrics')}`);
-        await fs.promises.writeFile(
-            path.join(trialJobDetail.workingDirectory, 'run.sh'), runScriptLines.join('\n'), { encoding: 'utf8', mode: 0o777 });
+        const scripts: string[] = this.getScript(this.localTrailConfig, trialJobDetail.workingDirectory);
+        scripts.forEach(script => {
+            runScriptLines.push(script); 
+        });
+        await execMkdir(trialJobDetail.workingDirectory);
+        await execMkdir(path.join(trialJobDetail.workingDirectory, '.nni'));
+        await execNewFile(path.join(trialJobDetail.workingDirectory, '.nni', 'metrics'));
+        const scriptName: string = getScriptName('run');
+        await fs.promises.writeFile(path.join(trialJobDetail.workingDirectory, scriptName), runScriptLines.join(getNewLine()), { encoding: 'utf8', mode: 0o777 });
         await this.writeParameterFile(trialJobDetail.workingDirectory, (<TrialJobApplicationForm>trialJobDetail.form).hyperParameters);
-        const process: cp.ChildProcess = cp.exec(`bash ${path.join(trialJobDetail.workingDirectory, 'run.sh')}`);
-
+        const trialJobProcess: cp.ChildProcess = execScript(path.join(trialJobDetail.workingDirectory, scriptName));
         this.setTrialJobStatus(trialJobDetail, 'RUNNING');
         trialJobDetail.startTime = Date.now();
-        trialJobDetail.pid = process.pid;
+        trialJobDetail.pid = trialJobProcess.pid;
         this.setExtraProperties(trialJobDetail, resource);
 
         let buffer: Buffer = Buffer.alloc(0);

src/nni_manager/training_service/remote_machine/remoteMachineTrainingService.ts

@@ -46,7 +46,7 @@ import {
     RemoteMachineScheduleInfo, RemoteMachineScheduleResult, SSHClient, SSHClientManager,
     RemoteMachineTrialJobDetail, ScheduleResultType, REMOTEMACHINE_TRIAL_COMMAND_FORMAT
 } from './remoteMachineData';
-import { GPU_INFO_COLLECTOR_FORMAT } from '../common/gpuData';
+import { GPU_INFO_COLLECTOR_FORMAT_LINUX } from '../common/gpuData';
 import { SSHClientUtility } from './sshClientUtility';
 import { validateCodeDir } from '../common/util';
 import { RemoteMachineJobRestServer } from './remoteMachineJobRestServer';
@@ -452,7 +452,7 @@ class RemoteMachineTrainingService implements TrainingService {
         let gpuMetricsCollectorScriptPath: string = path.join(gpuMetricCollectorScriptFolder, userName, 'gpu_metrics_collector.sh');
         const remoteGPUScriptsDir: string = this.getRemoteScriptsPath(userName); // This directory is used to store gpu_metrics and pid created by script
         const gpuMetricsCollectorScriptContent: string = String.Format(
-            GPU_INFO_COLLECTOR_FORMAT, 
+            GPU_INFO_COLLECTOR_FORMAT_LINUX, 
             remoteGPUScriptsDir, 
             path.join(remoteGPUScriptsDir, 'pid'), 
         );