Merge branch 'master' of https://github.com/microsoft/nni

src/nni_manager/training_service/common/gpuData.ts

@@ -65,11 +65,11 @@ export const GPU_INFO_COLLECTOR_FORMAT_LINUX: string =
 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/jobMetrics.ts

@@ -21,7 +21,10 @@
 
 import { TrialJobStatus  } from '../../common/trainingService';
 
-// tslint:disable-next-line:max-classes-per-file
+/**
+ * Trial job metrics class
+ * Representing trial job metrics properties
+ */
 export class JobMetrics {
     public readonly jobId: string;
     public readonly metrics: string[];

src/nni_manager/training_service/common/trialConfig.ts

@@ -24,13 +24,13 @@
  * Representing trial job configurable properties
  */
 export class TrialConfig {
-    /** Trail command */
+    // Trail command
     public readonly command : string;
 
-    /** Code directory */
+    // Code directory
     public readonly codeDir : string;
 
-    /** Required GPU number for trial job. The number should be in [0,100] */
+    // Required GPU number for trial job. The number should be in [0,100]
     public readonly gpuNum : number;
 
     /**

src/nni_manager/training_service/common/util.ts

-import { getLogger } from "common/log";
-
 /**
  * Copyright (c) Microsoft Corporation
  * All rights reserved.
@@ -21,16 +19,15 @@ 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 * as os from 'os';
 import * as fs from 'fs';
-import { getNewLine } from '../../common/utils';
-import { GPU_INFO_COLLECTOR_FORMAT_LINUX, GPU_INFO_COLLECTOR_FORMAT_WINDOWS } from './gpuData';
+import * as os from 'os';
 import * as path from 'path';
 import { String } from 'typescript-string-operations';
-import { file } from "../../node_modules/@types/tmp";
+import { countFilesRecursively, getNewLine, validateFileNameRecursively } from '../../common/utils';
+import { file } from '../../node_modules/@types/tmp';
+import { GPU_INFO_COLLECTOR_FORMAT_LINUX, GPU_INFO_COLLECTOR_FORMAT_WINDOWS } from './gpuData';
 
 /**
  * Validate codeDir, calculate file count recursively under codeDir, and throw error if any rule is broken
@@ -38,24 +35,36 @@ import { file } from "../../node_modules/@types/tmp";
  * @param codeDir codeDir in nni config file
  * @returns file number under codeDir
  */
+// tslint:disable: no-redundant-jsdoc
 export async function validateCodeDir(codeDir: string) : Promise<number> {
     let fileCount: number | undefined;
-
+    let fileNameValid: boolean = true;
     try {
         fileCount = await countFilesRecursively(codeDir);
-    } catch(error) {
+    } catch (error) {
         throw new Error(`Call count file error: ${error}`);
     }
+    try {
+        fileNameValid = await validateFileNameRecursively(codeDir);
+    } catch(error) {
+        throw new Error(`Validate file name error: ${error}`);
+    }
 
-    if(fileCount && fileCount > 1000) {
+    if (fileCount !== undefined && fileCount > 1000) {
         const errMessage: string = `Too many files(${fileCount} found}) in ${codeDir},`
                                     + ` please check if it's a valid code dir`;
         throw new Error(errMessage);
     }
     
+    if(!fileNameValid) {
+        const errMessage: string = `File name in ${codeDir} is not valid, please check file names, only support digit number、alphabet and (.-_) in file name.`; 
+        throw new Error(errMessage);    
+    }
+
     return fileCount;
 }
 
+
 /**
  * crete a new directory
  * @param directory
@@ -66,6 +75,7 @@ export async function execMkdir(directory: string): Promise<void> {
     } else {
         await cpp.exec(`mkdir -p ${directory}`);
     }
+
     return Promise.resolve();
 }
 
@@ -80,6 +90,7 @@ export async function execCopydir(source: string, destination: string): Promise<
     } else {
         await cpp.exec(`cp -r ${source} ${destination}`);
     }
+
     return Promise.resolve();
 }
 
@@ -93,16 +104,17 @@ export async function execNewFile(filename: string): Promise<void> {
     } else {
         await cpp.exec(`touch ${filename}`);
     }
+
     return Promise.resolve();
 }
 
 /**
- * run script
+ * run script using powershell or bash
  * @param filePath
  */
-export function execScript(filePath: string): cp.ChildProcess {
+export function runScript(filePath: string): cp.ChildProcess {
     if (process.platform === 'win32') {
-        return cp.exec(`powershell.exe -file ${filePath}`);
+        return cp.exec(`powershell.exe -ExecutionPolicy Bypass -file ${filePath}`);
     } else {
         return cp.exec(`bash ${filePath}`);
     }
@@ -119,6 +131,7 @@ export async function execTail(filePath: string): Promise<cpp.childProcessPromis
     } else {
         cmdresult = await cpp.exec(`tail -n 1 ${filePath}`);
     }
+
     return Promise.resolve(cmdresult);
 }
 
@@ -132,6 +145,7 @@ export async function execRemove(directory: string): Promise<void> {
     } else {
         await cpp.exec(`rm -rf ${directory}`);
     }
+
     return Promise.resolve();
 }
 
@@ -145,37 +159,39 @@ export async function execKill(pid: string): Promise<void> {
     } else {
         await cpp.exec(`pkill -P ${pid}`);
     }
+
     return Promise.resolve();
 }
 
 /**
- * set environment variable
+ * get command of setting 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{
+    } else {
         return `export ${variable.key}=${variable.value}`;
     }
 }
 
 /**
  * Compress files in directory to tar file
- * @param  source_path
- * @param  tar_path
+ * @param  sourcePath
+ * @param  tarPath
  */
-export async function tarAdd(tar_path: string, source_path: string): Promise<void> {
+export async function tarAdd(tarPath: string, sourcePath: string): Promise<void> {
     if (process.platform === 'win32') {
-        tar_path = tar_path.split('\\').join('\\\\');
-        source_path = source_path.split('\\').join('\\\\');
-        let script: string[] = [];
+        const tarFilePath: string = tarPath.split('\\')
+                                    .join('\\\\');
+        const sourceFilePath: string = sourcePath.split('\\')
+                                   .join('\\\\');
+        const script: string[] = [];
         script.push(
             `import os`,
             `import tarfile`,
-            String.Format(`tar = tarfile.open("{0}","w:gz")\r\nfor root,dir,files in os.walk("{1}"):`, tar_path, source_path),
+            String.Format(`tar = tarfile.open("{0}","w:gz")\r\nfor root,dir,files in os.walk("{1}"):`, tarFilePath, sourceFilePath),
             `    for file in files:`,
             `        fullpath = os.path.join(root,file)`,
             `        tar.add(fullpath, arcname=file)`,
@@ -184,8 +200,9 @@ export async function tarAdd(tar_path: string, source_path: string): Promise<voi
         const tarScript: string = path.join(os.tmpdir(), 'tar.py');
         await cpp.exec(`python ${tarScript}`);
     } else {
-        await cpp.exec(`tar -czf ${tar_path} -C ${source_path} .`);
+        await cpp.exec(`tar -czf ${tarPath} -C ${sourcePath} .`);
     }
+
     return Promise.resolve();
 }
 
@@ -195,9 +212,9 @@ export async function tarAdd(tar_path: string, source_path: string): Promise<voi
  */
 export function getScriptName(fileNamePrefix: string): string {
     if (process.platform === 'win32') {
-        return fileNamePrefix + '.ps1';
+        return String.Format('{0}.ps1', fileNamePrefix);
     } else {
-        return fileNamePrefix + '.sh';
+        return String.Format('{0}.sh', fileNamePrefix);
     }
 }
 
@@ -206,17 +223,17 @@ export function getScriptName(fileNamePrefix: string): string {
  * @param gpuMetricCollectorScriptFolder
  */
 export function getgpuMetricsCollectorScriptContent(gpuMetricCollectorScriptFolder: string): string {
-    if(process.platform === 'win32') {
+    if (process.platform === 'win32') {
         return String.Format(
             GPU_INFO_COLLECTOR_FORMAT_WINDOWS,
             gpuMetricCollectorScriptFolder,
-            path.join(gpuMetricCollectorScriptFolder, 'pid'),
+            path.join(gpuMetricCollectorScriptFolder, 'pid')
         );
     } else {
         return String.Format(
             GPU_INFO_COLLECTOR_FORMAT_LINUX,
             gpuMetricCollectorScriptFolder,
-            path.join(gpuMetricCollectorScriptFolder, 'pid'),
+            path.join(gpuMetricCollectorScriptFolder, 'pid')
         );
     }
 }

src/nni_manager/training_service/kubernetes/azureStorageClientUtils.ts

@@ -19,12 +19,15 @@
 
 'use strict';
 
-import * as fs from 'fs'
+import * as azureStorage from 'azure-storage';
+import * as fs from 'fs';
 import * as path from 'path';
 import { Deferred } from 'ts-deferred';
+import { String } from 'typescript-string-operations';
 import { getLogger } from '../../common/log';
 import { mkDirP } from '../../common/utils';
 
+// tslint:disable: no-redundant-jsdoc no-any no-unsafe-any
 export namespace AzureStorageClientUtility {
 
     /**
@@ -32,16 +35,18 @@ export namespace AzureStorageClientUtility {
      * @param fileServerClient
      * @param azureShare
      */
-    export async function createShare(fileServerClient: any, azureShare: any): Promise<void>{
+    export async function createShare(fileServerClient: any, azureShare: any): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        fileServerClient.createShareIfNotExists(azureShare, function(error: any, result: any, response: any) {
-            if(error){
-                getLogger().error(`Create share failed:, ${error}`);
-                deferred.reject(error)
-            }else{
-                deferred.resolve()
-            }
-        })
+        fileServerClient.createShareIfNotExists(azureShare, (error: any, result: any, response: any) => {
+            if (error) {
+                getLogger()
+                  .error(`Create share failed:, ${error}`);
+                deferred.reject(error);
+            } else {
+                deferred.resolve();
+            }
+        });
+
         return deferred.promise;
     }
 
@@ -51,16 +56,18 @@ export namespace AzureStorageClientUtility {
      * @param azureFoler
      * @param azureShare
      */
-    export async function createDirectory(fileServerClient: any, azureFoler: any, azureShare: any): Promise<void>{
+    export async function createDirectory(fileServerClient: azureStorage.FileService, azureFoler: any, azureShare: any): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        fileServerClient.createDirectoryIfNotExists(azureShare, azureFoler, function(error: any, result: any, response: any) {
-            if(error){
-                getLogger().error(`Create directory failed:, ${error}`);
+        fileServerClient.createDirectoryIfNotExists(azureShare, azureFoler, (error: any, result: any, response: any) => {
+            if (error) {
+                getLogger()
+                  .error(`Create directory failed:, ${error}`);
                 deferred.reject(error);
-            }else{
+            } else {
                 deferred.resolve();
             }
-        })
+        });
+
         return deferred.promise;
     }
 
@@ -69,16 +76,18 @@ export namespace AzureStorageClientUtility {
      * @param fileServerClient
      * @param azureDirectory
      */
-    export async function createDirectoryRecursive(fileServerClient: any, azureDirectory: any, azureShare: any): Promise<void>{
+    export async function createDirectoryRecursive(fileServerClient: azureStorage.FileService, azureDirectory: string,
+                                                   azureShare: any): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        let directories = azureDirectory.split("/");
-        let rootDirectory = ""
-        for(let directory of directories){
+        const directories: string[] = azureDirectory.split('/');
+        let rootDirectory: string = '';
+        for (const directory of directories) {
             rootDirectory += directory;
             await createDirectory(fileServerClient, rootDirectory, azureShare);
             rootDirectory += '/';
         }
         deferred.resolve();
+
         return deferred.promise;
     }
 
@@ -90,16 +99,20 @@ export namespace AzureStorageClientUtility {
      * @param azureShare
      * @param localFilePath
      */
-    async function uploadFileToAzure(fileServerClient: any, azureDirectory: any, azureFileName: any, azureShare: any, localFilePath: any): Promise<void>{
+    async function uploadFileToAzure(fileServerClient: any, azureDirectory: string, azureFileName: any, azureShare: any,
+                                     localFilePath: string): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        await fileServerClient.createFileFromLocalFile(azureShare, azureDirectory, azureFileName, localFilePath, function(error: any, result: any, response: any) {
-            if(error){
-                getLogger().error(`Upload file failed:, ${error}`);
+        await fileServerClient.createFileFromLocalFile(azureShare, azureDirectory, azureFileName, localFilePath,
+                                                       (error: any, result: any, response: any) => {
+            if (error) {
+                getLogger()
+                  .error(`Upload file failed:, ${error}`);
                 deferred.reject(error);
-            }else{          
+            } else {
                 deferred.resolve();
             }
-        })
+        });
+
         return deferred.promise;
     }
 
@@ -111,16 +124,21 @@ export namespace AzureStorageClientUtility {
      * @param azureShare
      * @param localFilePath
      */
-    async function downloadFile(fileServerClient: any, azureDirectory: any, azureFileName: any, azureShare: any, localFilePath: any): Promise<void>{
+    async function downloadFile(fileServerClient: any, azureDirectory: string, azureFileName: any, azureShare: any,
+                                localFilePath: string): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        await fileServerClient.getFileToStream(azureShare, azureDirectory, azureFileName, fs.createWriteStream(localFilePath), function(error: any, result: any, response: any) {
-            if(error){
-                getLogger().error(`Download file failed:, ${error}`);
+        // tslint:disable-next-line:non-literal-fs-path
+        await fileServerClient.getFileToStream(azureShare, azureDirectory, azureFileName, fs.createWriteStream(localFilePath),
+                                               (error: any, result: any, response: any) => {
+            if (error) {
+                getLogger()
+                  .error(`Download file failed:, ${error}`);
                 deferred.reject(error);
-            }else{
+            } else {
                 deferred.resolve();
             }
-        })
+        });
+
         return deferred.promise;
     }
 
@@ -131,26 +149,31 @@ export namespace AzureStorageClientUtility {
      * @param azureShare : the azure share used
      * @param localDirectory : local directory to be uploaded
      */
-    export async function uploadDirectory(fileServerClient: any, azureDirectory: any, azureShare: any, localDirectory: any): Promise<void>{
+    // tslint:disable:non-literal-fs-path
+    export async function uploadDirectory(fileServerClient: azureStorage.FileService, azureDirectory: string, azureShare: any,
+                                          localDirectory: string): Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
         const fileNameArray: string[] = fs.readdirSync(localDirectory);
         await createDirectoryRecursive(fileServerClient, azureDirectory, azureShare);
-        for(let fileName of fileNameArray){
+        for (const fileName of fileNameArray) {
             const fullFilePath: string = path.join(localDirectory, fileName);
             try {
-                if (fs.lstatSync(fullFilePath).isFile()) {
+                if (fs.lstatSync(fullFilePath)
+                      .isFile()) {
                     await uploadFileToAzure(fileServerClient, azureDirectory, fileName, azureShare, fullFilePath);
                 } else {
                     // If filePath is a directory, recuisively copy it to azure
-                    await uploadDirectory(fileServerClient, azureDirectory + '/' + fileName, azureShare, fullFilePath);
+                    await uploadDirectory(fileServerClient, String.Format('{0}/{1}', azureDirectory, fileName), azureShare, fullFilePath);
                 }
-            } catch(error) {
+            } catch (error) {
                 deferred.reject(error);
+
                 return deferred.promise;
             }
         }
         // All files/directories are copied successfully, resolve
         deferred.resolve();
+
         return deferred.promise;
     }
 
@@ -161,37 +184,44 @@ export namespace AzureStorageClientUtility {
      * @param azureShare
      * @param localDirectory
      */
-    export async function downloadDirectory(fileServerClient: any, azureDirectory:any, azureShare: any, localDirectory: any): Promise<void>{
+    export async function downloadDirectory(fileServerClient: any, azureDirectory: string, azureShare: any, localDirectory: string):
+     Promise<void> {
         const deferred: Deferred<void> = new Deferred<void>();
-        mkDirP(localDirectory);
-        fileServerClient.listFilesAndDirectoriesSegmented(azureShare, azureDirectory, 'null', function(error: any, result: any, response: any) {
-            if(('entries' in result) === false){
-                getLogger().error(`list files failed, can't get entries in result`);
+        await mkDirP(localDirectory);
+        fileServerClient.listFilesAndDirectoriesSegmented(azureShare, azureDirectory, 'null',
+                                                          async (error: any, result: any, response: any) => {
+            if (('entries' in result) === false) {
+                getLogger()
+                  .error(`list files failed, can't get entries in result`);
                 throw new Error(`list files failed, can't get entries in result`);
             }
 
-            if(('files' in result['entries']) === false){
-                getLogger().error(`list files failed, can't get files in result['entries']`);
+            if (('files' in result.entries) === false) {
+                getLogger()
+                  .error(`list files failed, can't get files in result['entries']`);
                 throw new Error(`list files failed, can't get files in result['entries']`);
             }
 
-            if(('directories' in result['directories']) === false){
-                getLogger().error(`list files failed, can't get directories in result['entries']`);
+            if (('directories' in result.directories) === false) {
+                getLogger()
+                  .error(`list files failed, can't get directories in result['entries']`);
                 throw new Error(`list files failed, can't get directories in result['entries']`);
             }
 
-            for(var fileName of result['entries']['files']){
+            for (const fileName of result.entries.files) {
                 const fullFilePath: string = path.join(localDirectory, fileName.name);
-                downloadFile(fileServerClient, azureDirectory, fileName.name, azureShare, fullFilePath)
+                await downloadFile(fileServerClient, azureDirectory, fileName.name, azureShare, fullFilePath);
             }
 
-            for(var directoryName of result['entries']['directories']){
-                const fullDirectoryPath: string = path.join(localDirectory, directoryName.name)
-                const fullAzureDirectory: string = path.join(azureDirectory, directoryName.name)
-                downloadDirectory(fileServerClient, fullAzureDirectory, azureShare, fullDirectoryPath)
+            for (const directoryName of result.entries.directories) {
+                const fullDirectoryPath: string = path.join(localDirectory, directoryName.name);
+                const fullAzureDirectory: string = path.join(azureDirectory, directoryName.name);
+                await downloadDirectory(fileServerClient, fullAzureDirectory, azureShare, fullDirectoryPath);
             }
             deferred.resolve();
-        })
+        });
+
         return deferred.promise;
     }
 }
+// tslint:enable: no-redundant-jsdoc no-any no-unsafe-any

src/nni_manager/training_service/kubernetes/frameworkcontroller/frameworkcontrollerApiClient.ts

+
 /**
  * Copyright (c) Microsoft Corporation
  * All rights reserved.
@@ -20,21 +21,29 @@
 'use strict';
 
 import * as fs from 'fs';
-import { KubernetesCRDClient, GeneralK8sClient } from '../kubernetesApiClient';
+import { GeneralK8sClient, KubernetesCRDClient } from '../kubernetesApiClient';
 
-abstract class FrameworkControllerClient extends KubernetesCRDClient{
+/**
+ * FrameworkController Client
+ */
+abstract class FrameworkControllerClient extends KubernetesCRDClient {
     /**
-     * Factory method to generate operator cliet
+     * Factory method to generate operator client
      */
+    // tslint:disable-next-line:function-name
     public static generateFrameworkControllerClient(): KubernetesCRDClient {
         return new FrameworkControllerClientV1();
     }
 }
 
+/**
+ * FrameworkController ClientV1
+ */
 class FrameworkControllerClientV1 extends FrameworkControllerClient {
     /**
      * constructor, to initialize frameworkcontroller CRD definition
      */
+    // tslint:disable: no-unsafe-any no-any
     public constructor() {
         super();
         this.crdSchema = JSON.parse(fs.readFileSync('./config/frameworkcontroller/frameworkcontrollerjob-crd-v1.json', 'utf8'));
@@ -42,8 +51,9 @@ class FrameworkControllerClientV1 extends FrameworkControllerClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["frameworkcontroller.microsoft.com"].v1.namespaces('default').frameworks;
+        return this.client.apis['frameworkcontroller.microsoft.com'].v1.namespaces('default').frameworks;
     }
+    // tslint:enable: no-unsafe-any no-any
 
     public get containerName(): string {
         return 'framework';
@@ -51,4 +61,3 @@ class FrameworkControllerClientV1 extends FrameworkControllerClient {
 }
 
 export { FrameworkControllerClient, GeneralK8sClient };
-

src/nni_manager/training_service/kubernetes/frameworkcontroller/frameworkcontrollerConfig.ts

@@ -20,10 +20,11 @@
 'use strict';
 import * as assert from 'assert';
 
-import { KubernetesTrialConfig, KubernetesTrialConfigTemplate, KubernetesClusterConfigAzure,
-     KubernetesClusterConfigNFS, NFSConfig, KubernetesStorageKind, keyVaultConfig, AzureStorage, KubernetesClusterConfig,
-    StorageConfig } from '../kubernetesConfig'
+import { AzureStorage, KeyVaultConfig, KubernetesClusterConfig, KubernetesClusterConfigAzure, KubernetesClusterConfigNFS,
+    KubernetesStorageKind, KubernetesTrialConfig, KubernetesTrialConfigTemplate, NFSConfig, StorageConfig
+} from '../kubernetesConfig';
 
+// tslint:disable:completed-docs
 export class FrameworkAttemptCompletionPolicy {
     public readonly minFailedTaskCount: number;
     public readonly minSucceededTaskCount: number;
@@ -36,7 +37,7 @@ export class FrameworkAttemptCompletionPolicy {
 /**
  * Trial job configuration for FrameworkController
  */
-export class FrameworkControllerTrialConfigTemplate extends KubernetesTrialConfigTemplate{
+export class FrameworkControllerTrialConfigTemplate extends KubernetesTrialConfigTemplate {
     public readonly frameworkAttemptCompletionPolicy: FrameworkAttemptCompletionPolicy;
     public readonly name: string;
     public readonly taskNum: number;
@@ -50,7 +51,7 @@ export class FrameworkControllerTrialConfigTemplate extends KubernetesTrialConfi
     }
 }
 
-export class FrameworkControllerTrialConfig extends KubernetesTrialConfig{
+export class FrameworkControllerTrialConfig extends KubernetesTrialConfig {
     public readonly taskRoles: FrameworkControllerTrialConfigTemplate[];
     public readonly codeDir: string;
     constructor(codeDir: string, taskRoles: FrameworkControllerTrialConfigTemplate[]) {
@@ -68,6 +69,7 @@ export class FrameworkControllerClusterConfig extends KubernetesClusterConfig {
     }
 }
 
+// tslint:disable:function-name
 export class FrameworkControllerClusterConfigNFS extends KubernetesClusterConfigNFS {
     public readonly serviceAccountName: string;
     constructor(
@@ -81,8 +83,9 @@ export class FrameworkControllerClusterConfigNFS extends KubernetesClusterConfig
     }
 
     public static getInstance(jsonObject: object): FrameworkControllerClusterConfigNFS {
-        let kubeflowClusterConfigObjectNFS = <FrameworkControllerClusterConfigNFS>jsonObject;
-        assert (kubeflowClusterConfigObjectNFS !== undefined)
+        const kubeflowClusterConfigObjectNFS: FrameworkControllerClusterConfigNFS = <FrameworkControllerClusterConfigNFS>jsonObject;
+        assert (kubeflowClusterConfigObjectNFS !== undefined);
+
         return new FrameworkControllerClusterConfigNFS(
             kubeflowClusterConfigObjectNFS.serviceAccountName,
             kubeflowClusterConfigObjectNFS.apiVersion,
@@ -98,16 +101,17 @@ export class FrameworkControllerClusterConfigAzure extends KubernetesClusterConf
     constructor(
             serviceAccountName: string,
             apiVersion: string,
-            keyVault: keyVaultConfig, 
+            keyVault: KeyVaultConfig,
             azureStorage: AzureStorage,
             storage?: KubernetesStorageKind
         ) {
-        super(apiVersion, keyVault, azureStorage,storage);
+        super(apiVersion, keyVault, azureStorage, storage);
         this.serviceAccountName = serviceAccountName;
     }
 
     public static getInstance(jsonObject: object): FrameworkControllerClusterConfigAzure {
-        let kubeflowClusterConfigObjectAzure = <FrameworkControllerClusterConfigAzure>jsonObject;
+        const kubeflowClusterConfigObjectAzure: FrameworkControllerClusterConfigAzure = <FrameworkControllerClusterConfigAzure>jsonObject;
+
         return new FrameworkControllerClusterConfigAzure(
             kubeflowClusterConfigObjectAzure.serviceAccountName,
             kubeflowClusterConfigObjectAzure.apiVersion,
@@ -121,11 +125,11 @@ export class FrameworkControllerClusterConfigAzure extends KubernetesClusterConf
 export class FrameworkControllerClusterConfigFactory {
 
     public static generateFrameworkControllerClusterConfig(jsonObject: object): FrameworkControllerClusterConfig {
-         let storageConfig = <StorageConfig>jsonObject;
-         if(!storageConfig) {
-            throw new Error("Invalid json object as a StorageConfig instance");
+         const storageConfig: StorageConfig = <StorageConfig>jsonObject;
+         if (storageConfig === undefined) {
+            throw new Error('Invalid json object as a StorageConfig instance');
         }
-         if(storageConfig.storage && storageConfig.storage === 'azureStorage') {
+         if (storageConfig.storage !== undefined && storageConfig.storage === 'azureStorage') {
             return FrameworkControllerClusterConfigAzure.getInstance(jsonObject);
          } else if (storageConfig.storage === undefined || storageConfig.storage === 'nfs') {
             return FrameworkControllerClusterConfigNFS.getInstance(jsonObject);
@@ -134,6 +138,7 @@ export class FrameworkControllerClusterConfigFactory {
     }
 }
 
-export type FrameworkControllerJobStatus = 'AttemptRunning' | 'Completed' | 'AttemptCreationPending' | 'AttemptCreationRequested' | 'AttemptPreparing' | 'AttemptCompleted';
+export type FrameworkControllerJobStatus =
+  'AttemptRunning' | 'Completed' | 'AttemptCreationPending' | 'AttemptCreationRequested' | 'AttemptPreparing' | 'AttemptCompleted';
 
 export type FrameworkControllerJobCompleteStatus = 'Succeeded' | 'Failed';

src/nni_manager/training_service/kubernetes/frameworkcontroller/frameworkcontrollerJobInfoCollector.ts

@@ -19,15 +19,15 @@
 
 'use strict';
 
-import { KubernetesTrialJobDetail} from '../kubernetesData';
 import { KubernetesCRDClient } from '../kubernetesApiClient';
+import { KubernetesTrialJobDetail} from '../kubernetesData';
 import { KubernetesJobInfoCollector } from '../kubernetesJobInfoCollector';
-import { FrameworkControllerJobStatus, FrameworkControllerJobCompleteStatus } from './frameworkcontrollerConfig';
+import { FrameworkControllerJobCompleteStatus, FrameworkControllerJobStatus } from './frameworkcontrollerConfig';
 
 /**
  * Collector frameworkcontroller jobs info from Kubernetes cluster, and update frameworkcontroller job status locally
  */
-export class FrameworkControllerJobInfoCollector extends KubernetesJobInfoCollector{
+export class FrameworkControllerJobInfoCollector extends KubernetesJobInfoCollector {
     constructor(jobMap: Map<string, KubernetesTrialJobDetail>) {
         super(jobMap);
     }
@@ -38,47 +38,55 @@ export class FrameworkControllerJobInfoCollector extends KubernetesJobInfoCollec
             return Promise.resolve();
         }
 
-        if(kubernetesCRDClient === undefined) {
+        if (kubernetesCRDClient === undefined) {
             return Promise.reject('kubernetesCRDClient is undefined');
         }
 
+        // tslint:disable-next-line:no-any
         let kubernetesJobInfo: any;
         try {
             kubernetesJobInfo = await kubernetesCRDClient.getKubernetesJob(kubernetesTrialJob.kubernetesJobName);
-        } catch(error) {
+        } catch (error) {
             this.log.error(`Get job ${kubernetesTrialJob.kubernetesJobName} info failed, error is ${error}`);
             //This is not treat as a error status
+
             return Promise.resolve();
         }
 
-        if(kubernetesJobInfo.status && kubernetesJobInfo.status.state) {
+        // tslint:disable: no-unsafe-any
+        if (kubernetesJobInfo.status && kubernetesJobInfo.status.state) {
             const frameworkJobType: FrameworkControllerJobStatus = <FrameworkControllerJobStatus>kubernetesJobInfo.status.state;
-            switch(frameworkJobType) {
-                case 'AttemptCreationPending' || 'AttemptCreationRequested' || 'AttemptPreparing':
+            switch (frameworkJobType) {
+                case 'AttemptCreationPending':
+                case 'AttemptCreationRequested':
+                case 'AttemptPreparing':
                     kubernetesTrialJob.status = 'WAITING';
                     break;
                 case 'AttemptRunning':
                     kubernetesTrialJob.status = 'RUNNING';
-                    if(!kubernetesTrialJob.startTime) {
+                    if (kubernetesTrialJob.startTime === undefined) {
                         kubernetesTrialJob.startTime = Date.parse(<string>kubernetesJobInfo.status.startTime);
                     }
                     break;
                 case  'Completed':
-                    const completedJobType : FrameworkControllerJobCompleteStatus = <FrameworkControllerJobCompleteStatus>kubernetesJobInfo.status.attemptStatus.completionStatus.type.name;
-                    switch(completedJobType) {
+                    const completedJobType : FrameworkControllerJobCompleteStatus =
+                      <FrameworkControllerJobCompleteStatus>kubernetesJobInfo.status.attemptStatus.completionStatus.type.name;
+                    switch (completedJobType) {
                         case 'Succeeded':
                             kubernetesTrialJob.status = 'SUCCEEDED';
                             break;
                         case 'Failed':
                             kubernetesTrialJob.status = 'FAILED';
                             break;
+                        default:
                     }
                     kubernetesTrialJob.endTime = Date.parse(<string>kubernetesJobInfo.status.completionTime);
                     break;
                 default:
-                    break;
             }
         }
+
         return Promise.resolve();
     }
+    // tslint:enable: no-unsafe-any
 }

src/nni_manager/training_service/kubernetes/frameworkcontroller/frameworkcontrollerJobRestServer.ts

@@ -20,15 +20,15 @@
 'use strict';
 
 import * as component from '../../../common/component';
+import { KubernetesJobRestServer } from '../kubernetesJobRestServer';
 import { FrameworkControllerTrainingService } from './frameworkcontrollerTrainingService';
-import { KubernetesJobRestServer } from '../kubernetesJobRestServer'
 
 /**
  * frameworkcontroller Training service Rest server, provides rest API to support frameworkcontroller job metrics update
  *
  */
 @component.Singleton
-export class FrameworkControllerJobRestServer extends KubernetesJobRestServer{
+export class FrameworkControllerJobRestServer extends KubernetesJobRestServer {
     constructor() {
         super(component.get(FrameworkControllerTrainingService));
     }

src/nni_manager/training_service/kubernetes/frameworkcontroller/frameworkcontrollerTrainingService.ts

@@ -17,31 +17,29 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-'use strict'
+'use strict';
 
-import * as component from '../../../common/component';
 import * as cpp from 'child-process-promise';
 import * as fs from 'fs';
 import * as path from 'path';
-
-import { CONTAINER_INSTALL_NNI_SHELL_FORMAT } from '../../common/containerJobData';
+import * as component from '../../../common/component';
 import { getExperimentId } from '../../../common/experimentStartupInfo';
-import { TrialConfigMetadataKey } from '../../common/trialConfigMetadataKey';
 import {
-    JobApplicationForm, TrialJobApplicationForm,
-    TrialJobDetail, NNIManagerIpConfig
+    JobApplicationForm, NNIManagerIpConfig, TrialJobApplicationForm, TrialJobDetail
 } from '../../../common/trainingService';
 import { delay, generateParamFileName, getExperimentRootDir, uniqueString } from '../../../common/utils';
-import { NFSConfig } from '../kubernetesConfig'
-import { KubernetesTrialJobDetail } from '../kubernetesData';
+import { CONTAINER_INSTALL_NNI_SHELL_FORMAT } from '../../common/containerJobData';
+import { TrialConfigMetadataKey } from '../../common/trialConfigMetadataKey';
 import { validateCodeDir } from '../../common/util';
 import { AzureStorageClientUtility } from '../azureStorageClientUtils';
+import { NFSConfig } from '../kubernetesConfig';
+import { KubernetesTrialJobDetail } from '../kubernetesData';
 import { KubernetesTrainingService } from '../kubernetesTrainingService';
-import { FrameworkControllerTrialConfig, FrameworkControllerClusterConfig, FrameworkControllerClusterConfigAzure, FrameworkControllerClusterConfigNFS, 
-    FrameworkControllerClusterConfigFactory} from './frameworkcontrollerConfig';
-import { FrameworkControllerJobRestServer } from './frameworkcontrollerJobRestServer';
 import { FrameworkControllerClient } from './frameworkcontrollerApiClient';
+import { FrameworkControllerClusterConfig, FrameworkControllerClusterConfigAzure, FrameworkControllerClusterConfigFactory,
+    FrameworkControllerClusterConfigNFS, FrameworkControllerTrialConfig} from './frameworkcontrollerConfig';
 import { FrameworkControllerJobInfoCollector } from './frameworkcontrollerJobInfoCollector';
+import { FrameworkControllerJobRestServer } from './frameworkcontrollerJobRestServer';
 
 /**
  * Training Service implementation for frameworkcontroller
@@ -49,8 +47,8 @@ import { FrameworkControllerJobInfoCollector } from './frameworkcontrollerJobInf
 @component.Singleton
 class FrameworkControllerTrainingService extends KubernetesTrainingService implements KubernetesTrainingService {
     private fcTrialConfig?: FrameworkControllerTrialConfig; // frameworkcontroller trial configuration
-    private fcJobInfoCollector: FrameworkControllerJobInfoCollector; // frameworkcontroller job info collector
-    private fcContainerPortMap = new Map<string, number>(); // store frameworkcontroller container port
+    private readonly fcJobInfoCollector: FrameworkControllerJobInfoCollector; // frameworkcontroller job info collector
+    private readonly fcContainerPortMap: Map<string, number> = new Map<string, number>(); // store frameworkcontroller container port
     private fcClusterConfig?: FrameworkControllerClusterConfig;
 
     constructor() {
@@ -62,7 +60,7 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
 
     public async run(): Promise<void> {
         this.kubernetesJobRestServer = component.get(FrameworkControllerJobRestServer);
-        if(!this.kubernetesJobRestServer) {
+        if (this.kubernetesJobRestServer === undefined) {
             throw new Error('kubernetesJobRestServer not initialized!');
         }
         await this.kubernetesJobRestServer.start();
@@ -72,7 +70,7 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
             // collect metrics for frameworkcontroller jobs by interacting with Kubernetes API server
             await delay(3000);
             await this.fcJobInfoCollector.retrieveTrialStatus(this.kubernetesCRDClient);
-            if(this.kubernetesJobRestServer.getErrorMessage) {
+            if (this.kubernetesJobRestServer.getErrorMessage !== undefined) {
                 throw new Error(this.kubernetesJobRestServer.getErrorMessage);
                 this.stopping = true;
             }
@@ -80,14 +78,14 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
     }
 
     public async submitTrialJob(form: JobApplicationForm): Promise<TrialJobDetail> {
-        if(!this.fcClusterConfig) {
+        if (this.fcClusterConfig === undefined) {
             throw new Error('frameworkcontrollerClusterConfig is not initialized');
         }
-        if(!this.kubernetesCRDClient) {
+        if (this.kubernetesCRDClient === undefined) {
             throw new Error('kubernetesCRDClient is undefined');
         }
 
-        if(!this.kubernetesRestServerPort) {
+        if (this.kubernetesRestServerPort === undefined) {
             const restServer: FrameworkControllerJobRestServer = component.get(FrameworkControllerJobRestServer);
             this.kubernetesRestServerPort = restServer.clusterRestServerPort;
         }
@@ -97,13 +95,13 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
         // Set trial's NFS working folder
         const trialWorkingFolder: string = path.join(this.CONTAINER_MOUNT_PATH, 'nni', getExperimentId(), trialJobId);
         const trialLocalTempFolder: string = path.join(getExperimentRootDir(), 'trials-local', trialJobId);
-        const frameworkcontrollerJobName = `nniexp${this.experimentId}trial${trialJobId}`.toLowerCase();
+        const frameworkcontrollerJobName: string = `nniexp${this.experimentId}trial${trialJobId}`.toLowerCase();
         //Generate the port used for taskRole
         this.generateContainerPort();
         await this.prepareRunScript(trialLocalTempFolder, curTrialSequenceId, trialJobId, trialWorkingFolder, form);
 
         //upload code files
-        let trialJobOutputUrl: string = await this.uploadCodeFiles(trialJobId, trialLocalTempFolder);
+        const trialJobOutputUrl: string = await this.uploadCodeFiles(trialJobId, trialLocalTempFolder);
 
         const trialJobDetail: KubernetesTrialJobDetail = new KubernetesTrialJobDetail(
             trialJobId,
@@ -120,7 +118,9 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
         this.trialJobsMap.set(trialJobId, trialJobDetail);
 
         // Create frameworkcontroller job based on generated frameworkcontroller job resource config
-        const frameworkcontrollerJobConfig = await this.prepareFrameworkControllerConfig(trialJobId, trialWorkingFolder, frameworkcontrollerJobName);
+        // tslint:disable-next-line:no-any
+        const frameworkcontrollerJobConfig: any = await this.prepareFrameworkControllerConfig(
+            trialJobId, trialWorkingFolder, frameworkcontrollerJobName);
         await this.kubernetesCRDClient.createKubernetesJob(frameworkcontrollerJobConfig);
 
         // Set trial job detail until create frameworkcontroller job successfully
@@ -129,6 +129,67 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
         return Promise.resolve(trialJobDetail);
     }
 
+    // tslint:disable:no-redundant-jsdoc no-any no-unsafe-any
+    public async setClusterMetadata(key: string, value: string): Promise<void> {
+        switch (key) {
+            case TrialConfigMetadataKey.NNI_MANAGER_IP:
+                this.nniManagerIpConfig = <NNIManagerIpConfig>JSON.parse(value);
+                break;
+            case TrialConfigMetadataKey.FRAMEWORKCONTROLLER_CLUSTER_CONFIG:
+                const frameworkcontrollerClusterJsonObject: any = JSON.parse(value);
+                this.fcClusterConfig = FrameworkControllerClusterConfigFactory
+                  .generateFrameworkControllerClusterConfig(frameworkcontrollerClusterJsonObject);
+                if (this.fcClusterConfig.storageType === 'azureStorage') {
+                    const azureFrameworkControllerClusterConfig: FrameworkControllerClusterConfigAzure =
+                      <FrameworkControllerClusterConfigAzure>this.fcClusterConfig;
+                    this.azureStorageAccountName = azureFrameworkControllerClusterConfig.azureStorage.accountName;
+                    this.azureStorageShare = azureFrameworkControllerClusterConfig.azureStorage.azureShare;
+                    await this.createAzureStorage(
+                        azureFrameworkControllerClusterConfig.keyVault.vaultName,
+                        azureFrameworkControllerClusterConfig.keyVault.name,
+                        azureFrameworkControllerClusterConfig.azureStorage.accountName,
+                        azureFrameworkControllerClusterConfig.azureStorage.azureShare
+                    );
+                } else if (this.fcClusterConfig.storageType === 'nfs') {
+                    const nfsFrameworkControllerClusterConfig: FrameworkControllerClusterConfigNFS =
+                      <FrameworkControllerClusterConfigNFS>this.fcClusterConfig;
+                    await this.createNFSStorage(
+                        nfsFrameworkControllerClusterConfig.nfs.server,
+                        nfsFrameworkControllerClusterConfig.nfs.path
+                    );
+                }
+                this.kubernetesCRDClient = FrameworkControllerClient.generateFrameworkControllerClient();
+                break;
+            case TrialConfigMetadataKey.TRIAL_CONFIG:
+                const frameworkcontrollerTrialJsonObjsect: any = JSON.parse(value);
+
+                this.fcTrialConfig = new FrameworkControllerTrialConfig(
+                    frameworkcontrollerTrialJsonObjsect.codeDir,
+                    frameworkcontrollerTrialJsonObjsect.taskRoles
+                );
+
+                // Validate to make sure codeDir doesn't have too many files
+                try {
+                    await validateCodeDir(this.fcTrialConfig.codeDir);
+                } catch (error) {
+                    this.log.error(error);
+
+                    return Promise.reject(new Error(error));
+                }
+                break;
+            case TrialConfigMetadataKey.VERSION_CHECK:
+                this.versionCheck = (value === 'true' || value === 'True');
+                break;
+            case TrialConfigMetadataKey.LOG_COLLECTION:
+                this.logCollection = value;
+                break;
+            default:
+        }
+
+        return Promise.resolve();
+    }
+    // tslint:enable: no-any no-unsafe-any
+
     /**
      * upload code files to nfs or azureStroage
      * @param trialJobId
@@ -136,33 +197,40 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
      * return: trialJobOutputUrl
      */
     private async uploadCodeFiles(trialJobId: string, trialLocalTempFolder: string): Promise<string> {
-        if(!this.fcClusterConfig) {
+        if (this.fcClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
         let trialJobOutputUrl: string = '';
 
-        if(this.fcClusterConfig.storageType === 'azureStorage') {
-            try{
+        if (this.fcClusterConfig.storageType === 'azureStorage') {
+            if (this.azureStorageClient === undefined) {
+                throw new Error('azureStorageClient is not initialized');
+            }
+            try {
                 //upload local files to azure storage
-                await AzureStorageClientUtility.uploadDirectory(this.azureStorageClient, 
-                    `nni/${getExperimentId()}/${trialJobId}`, this.azureStorageShare, `${trialLocalTempFolder}`);
+                await AzureStorageClientUtility.uploadDirectory(
+                    this.azureStorageClient, `nni/${getExperimentId()}/${trialJobId}`, this.azureStorageShare, `${trialLocalTempFolder}`);
 
-                trialJobOutputUrl = `https://${this.azureStorageAccountName}.file.core.windows.net/${this.azureStorageShare}/${path.join('nni', getExperimentId(), trialJobId, 'output')}`
-            }catch(error){
+                trialJobOutputUrl = `https://${this.azureStorageAccountName}.file.core.windows.net/\
+                ${this.azureStorageShare}/${path.join('nni', getExperimentId(), trialJobId, 'output')}`;
+            } catch (error) {
                 this.log.error(error);
+
                 return Promise.reject(error);
             }
-        } else if(this.fcClusterConfig.storageType === 'nfs') {
-            let nfsFrameworkControllerClusterConfig: FrameworkControllerClusterConfigNFS = <FrameworkControllerClusterConfigNFS>this.fcClusterConfig;
+        } else if (this.fcClusterConfig.storageType === 'nfs') {
+            const nfsFrameworkControllerClusterConfig: FrameworkControllerClusterConfigNFS =
+              <FrameworkControllerClusterConfigNFS>this.fcClusterConfig;
             // Creat work dir for current trial in NFS directory
             await cpp.exec(`mkdir -p ${this.trialLocalNFSTempFolder}/nni/${getExperimentId()}/${trialJobId}`);
             // Copy code files from local dir to NFS mounted dir
             await cpp.exec(`cp -r ${trialLocalTempFolder}/* ${this.trialLocalNFSTempFolder}/nni/${getExperimentId()}/${trialJobId}/.`);
 
             const nfsConfig: NFSConfig = nfsFrameworkControllerClusterConfig.nfs;
-            trialJobOutputUrl = `nfs://${nfsConfig.server}:${path.join(nfsConfig.path, 'nni', getExperimentId(), trialJobId, 'output')}`
+            trialJobOutputUrl = `nfs://${nfsConfig.server}:${path.join(nfsConfig.path, 'nni', getExperimentId(), trialJobId, 'output')}`;
         }
+
         return Promise.resolve(trialJobOutputUrl);
     }
 
@@ -172,126 +240,76 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
      * @param command
      */
     private generateCommandScript(command: string): string {
-        let portScript = '';
-        if(!this.fcTrialConfig) {
+        let portScript: string = '';
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
-        for(let taskRole of this.fcTrialConfig.taskRoles) {
+        for (const taskRole of this.fcTrialConfig.taskRoles) {
             portScript += `FB_${taskRole.name.toUpperCase()}_PORT=${this.fcContainerPortMap.get(taskRole.name)} `;
         }
+
         return `${portScript} . /mnt/frameworkbarrier/injector.sh && ${command}`;
     }
 
-    private async prepareRunScript(trialLocalTempFolder: string, curTrialSequenceId: number, trialJobId: string, trialWorkingFolder: string, form: JobApplicationForm): Promise<void> {
-        if(!this.fcTrialConfig) {
+    private async prepareRunScript(trialLocalTempFolder: string, curTrialSequenceId: number, trialJobId: string,
+                                   trialWorkingFolder: string, form: JobApplicationForm): Promise<void> {
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
 
         await cpp.exec(`mkdir -p ${path.dirname(trialLocalTempFolder)}`);
         await cpp.exec(`cp -r ${this.fcTrialConfig.codeDir} ${trialLocalTempFolder}`);
-        const runScriptContent : string = CONTAINER_INSTALL_NNI_SHELL_FORMAT;
+        const installScriptContent : string = CONTAINER_INSTALL_NNI_SHELL_FORMAT;
         // Write NNI installation file to local tmp files
-        await fs.promises.writeFile(path.join(trialLocalTempFolder, 'install_nni.sh'), runScriptContent, { encoding: 'utf8' });
+        await fs.promises.writeFile(path.join(trialLocalTempFolder, 'install_nni.sh'), installScriptContent, { encoding: 'utf8' });
         // Create tmp trial working folder locally.
         await cpp.exec(`mkdir -p ${trialLocalTempFolder}`);
 
-        for(let taskRole of this.fcTrialConfig.taskRoles) {
-            const runScriptContent: string = await this.generateRunScript('frameworkcontroller', trialJobId, trialWorkingFolder, 
-            this.generateCommandScript(taskRole.command), curTrialSequenceId.toString(), taskRole.name, taskRole.gpuNum);
+        for (const taskRole of this.fcTrialConfig.taskRoles) {
+            const runScriptContent: string =
+              await this.generateRunScript('frameworkcontroller', trialJobId, trialWorkingFolder,
+                                           this.generateCommandScript(taskRole.command), curTrialSequenceId.toString(),
+                                           taskRole.name, taskRole.gpuNum);
             await fs.promises.writeFile(path.join(trialLocalTempFolder, `run_${taskRole.name}.sh`), runScriptContent, { encoding: 'utf8' });
         }
 
         // Write file content ( parameter.cfg ) to local tmp folders
-        const trialForm : TrialJobApplicationForm = (<TrialJobApplicationForm>form)
-        if(trialForm && trialForm.hyperParameters) {
+        const trialForm : TrialJobApplicationForm = (<TrialJobApplicationForm>form);
+        if (trialForm !== undefined && trialForm.hyperParameters !== undefined) {
             await fs.promises.writeFile(path.join(trialLocalTempFolder, generateParamFileName(trialForm.hyperParameters)),
                                         trialForm.hyperParameters.value, { encoding: 'utf8' });
         }
     }
 
-    private async prepareFrameworkControllerConfig(trialJobId: string, trialWorkingFolder: string, frameworkcontrollerJobName: string): Promise<any> {
+    // tslint:disable: no-any no-unsafe-any
+    private async prepareFrameworkControllerConfig(trialJobId: string, trialWorkingFolder: string, frameworkcontrollerJobName: string):
+     Promise<any> {
 
-        if(!this.fcTrialConfig) {
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
 
         const podResources : any = [];
-        for(let taskRole of this.fcTrialConfig.taskRoles) {
-            let resource: any = {};
+        for (const taskRole of this.fcTrialConfig.taskRoles) {
+            const resource: any = {};
             resource.requests = this.generatePodResource(taskRole.memoryMB, taskRole.cpuNum, taskRole.gpuNum);
-            resource.limits = Object.assign({}, resource.requests);
+            resource.limits = {...resource.requests};
             podResources.push(resource);
         }
         // Generate frameworkcontroller job resource config object
-        const frameworkcontrollerJobConfig: any = this.generateFrameworkControllerJobConfig(trialJobId, trialWorkingFolder, frameworkcontrollerJobName, podResources);
+        const frameworkcontrollerJobConfig: any =
+          this.generateFrameworkControllerJobConfig(trialJobId, trialWorkingFolder, frameworkcontrollerJobName, podResources);
 
         return Promise.resolve(frameworkcontrollerJobConfig);
     }
 
-    public async setClusterMetadata(key: string, value: string): Promise<void> {
-        switch (key) {
-            case TrialConfigMetadataKey.NNI_MANAGER_IP:
-                this.nniManagerIpConfig = <NNIManagerIpConfig>JSON.parse(value);
-                break;
-            
-            case TrialConfigMetadataKey.FRAMEWORKCONTROLLER_CLUSTER_CONFIG:
-                let frameworkcontrollerClusterJsonObject = JSON.parse(value);
-                this.fcClusterConfig = FrameworkControllerClusterConfigFactory.generateFrameworkControllerClusterConfig(frameworkcontrollerClusterJsonObject);
-                if(this.fcClusterConfig.storageType === 'azureStorage') {
-                    let azureFrameworkControllerClusterConfig = <FrameworkControllerClusterConfigAzure>this.fcClusterConfig;
-                    this.azureStorageAccountName = azureFrameworkControllerClusterConfig.azureStorage.accountName;
-                    this.azureStorageShare = azureFrameworkControllerClusterConfig.azureStorage.azureShare;
-                    await this.createAzureStorage(
-                        azureFrameworkControllerClusterConfig.keyVault.vaultName,
-                        azureFrameworkControllerClusterConfig.keyVault.name,
-                        azureFrameworkControllerClusterConfig.azureStorage.accountName,
-                        azureFrameworkControllerClusterConfig.azureStorage.azureShare
-                    );
-                } else if(this.fcClusterConfig.storageType === 'nfs') {
-                    let nfsFrameworkControllerClusterConfig = <FrameworkControllerClusterConfigNFS>this.fcClusterConfig;
-                    await this.createNFSStorage(
-                        nfsFrameworkControllerClusterConfig.nfs.server,
-                        nfsFrameworkControllerClusterConfig.nfs.path
-                    );
-                } 
-                this.kubernetesCRDClient = FrameworkControllerClient.generateFrameworkControllerClient();
-                break;
-            case TrialConfigMetadataKey.TRIAL_CONFIG:
-                let frameworkcontrollerTrialJsonObjsect = JSON.parse(value);
-
-                this.fcTrialConfig = new FrameworkControllerTrialConfig(
-                    frameworkcontrollerTrialJsonObjsect.codeDir,
-                    frameworkcontrollerTrialJsonObjsect.taskRoles
-                );
-
-                // Validate to make sure codeDir doesn't have too many files
-                try {
-                    await validateCodeDir(this.fcTrialConfig.codeDir);
-                } catch(error) {
-                    this.log.error(error);
-                    return Promise.reject(new Error(error));                    
-                }
-                break;
-            case TrialConfigMetadataKey.VERSION_CHECK:
-                this.versionCheck = (value === 'true' || value === 'True');
-                break;
-            case TrialConfigMetadataKey.LOG_COLLECTION:
-                this.logCollection = value;
-                break;
-            default:
-                break;
-        }
-
-        return Promise.resolve();
-    }
-    
-    private generateContainerPort() {
-        if(!this.fcTrialConfig) {
+    private generateContainerPort(): void {
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
 
-        let port = 4000; //The default port used in container
-        for(let index in this.fcTrialConfig.taskRoles) {
+        let port: number = 4000; //The default port used in container
+        for (const index of this.fcTrialConfig.taskRoles.keys()) {
             this.fcContainerPortMap.set(this.fcTrialConfig.taskRoles[index].name, port);
             port += 1;
         }
@@ -304,22 +322,23 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
      * @param frameworkcontrollerJobName job name
      * @param podResources  pod template
      */
-    private generateFrameworkControllerJobConfig(trialJobId: string, trialWorkingFolder: string, frameworkcontrollerJobName : string, podResources : any) : any {
-        if(!this.fcClusterConfig) {
+    private generateFrameworkControllerJobConfig(trialJobId: string, trialWorkingFolder: string,
+                                                 frameworkcontrollerJobName : string, podResources : any) : any {
+        if (this.fcClusterConfig === undefined) {
             throw new Error('frameworkcontroller Cluster config is not initialized');
         }
 
-        if(!this.fcTrialConfig) {
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
 
-        let taskRoles = [];
-        for(let index in this.fcTrialConfig.taskRoles) {
-            let containerPort = this.fcContainerPortMap.get(this.fcTrialConfig.taskRoles[index].name);
-            if(!containerPort) {
+        const taskRoles: any = [];
+        for (const index of this.fcTrialConfig.taskRoles.keys()) {
+            const containerPort: number | undefined = this.fcContainerPortMap.get(this.fcTrialConfig.taskRoles[index].name);
+            if (containerPort === undefined) {
                 throw new Error('Container port is not initialized');
             }
-            let taskRole = this.generateTaskRoleConfig(
+            const taskRole: any = this.generateTaskRoleConfig(
                 trialWorkingFolder,
                 this.fcTrialConfig.taskRoles[index].image,
                 `run_${this.fcTrialConfig.taskRoles[index].name}.sh`,
@@ -356,19 +375,18 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
         };
     }
 
-    
-
-    private generateTaskRoleConfig(trialWorkingFolder: string, replicaImage: string, runScriptFile: string, podResources: any, containerPort: number): any {
-        if(!this.fcClusterConfig) {
+    private generateTaskRoleConfig(trialWorkingFolder: string, replicaImage: string, runScriptFile: string,
+                                   podResources: any, containerPort: number): any {
+        if (this.fcClusterConfig === undefined) {
             throw new Error('frameworkcontroller Cluster config is not initialized');
         }
 
-        if(!this.fcTrialConfig) {
+        if (this.fcTrialConfig === undefined) {
             throw new Error('frameworkcontroller trial config is not initialized');
         }
 
-        let volumeSpecMap = new Map<string, object>();
-        if(this.fcClusterConfig.storageType === 'azureStorage'){
+        const volumeSpecMap: Map<string, object> = new Map<string, object>();
+        if (this.fcClusterConfig.storageType === 'azureStorage') {
             volumeSpecMap.set('nniVolumes', [
             {
                     name: 'nni-vol',
@@ -380,9 +398,10 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
             }, {
                 name: 'frameworkbarrier-volume',
                 emptyDir: {}
-            }])
-        }else {
-            let frameworkcontrollerClusterConfigNFS: FrameworkControllerClusterConfigNFS = <FrameworkControllerClusterConfigNFS> this.fcClusterConfig;
+            }]);
+        } else {
+            const frameworkcontrollerClusterConfigNFS: FrameworkControllerClusterConfigNFS =
+              <FrameworkControllerClusterConfigNFS> this.fcClusterConfig;
             volumeSpecMap.set('nniVolumes', [
             {
                 name: 'nni-vol',
@@ -393,19 +412,19 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
             }, {
                 name: 'frameworkbarrier-volume',
                 emptyDir: {}
-            }])
+            }]);
         }
 
-        let containers = [
+        const containers: any = [
             {
                 name: 'framework',
                 image: replicaImage,
-                command: ["sh", `${path.join(trialWorkingFolder, runScriptFile)}`],
+                command: ['sh', `${path.join(trialWorkingFolder, runScriptFile)}`],
                 volumeMounts: [
                 {
                     name: 'nni-vol',
                     mountPath: this.CONTAINER_MOUNT_PATH
-                },{
+                }, {
                     name: 'frameworkbarrier-volume',
                     mountPath: '/mnt/frameworkbarrier'
                 }],
@@ -413,9 +432,9 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
                 ports: [{
                     containerPort: containerPort
                 }]
-        }]
+        }];
 
-        let initContainers = [
+        const initContainers: any = [
             {
                 name: 'frameworkbarrier',
                 image: 'frameworkcontroller/frameworkbarrier',
@@ -424,24 +443,25 @@ class FrameworkControllerTrainingService extends KubernetesTrainingService imple
                     name: 'frameworkbarrier-volume',
                     mountPath: '/mnt/frameworkbarrier'
                 }]
-        }]
-        let spec: any = {
+        }];
+        const spec: any = {
                 containers: containers,
                 initContainers: initContainers,
                 restartPolicy: 'OnFailure',
                 volumes: volumeSpecMap.get('nniVolumes'),
                 hostNetwork: false
         };
-        if(this.fcClusterConfig.serviceAccountName) {    
+        if (this.fcClusterConfig.serviceAccountName !== undefined) {
             spec.serviceAccountName = this.fcClusterConfig.serviceAccountName;
         }
-        let taskRole = {
+
+        return {
             pod: {
                 spec: spec
             }
+        };
     }
-        return taskRole;
-    }
+    // tslint:enable: no-any no-unsafe-any
 }
 
-export { FrameworkControllerTrainingService }
+export { FrameworkControllerTrainingService };

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowApiClient.ts

@@ -20,18 +20,22 @@
 'use strict';
 
 import * as fs from 'fs';
+import { GeneralK8sClient, KubernetesCRDClient } from '../kubernetesApiClient';
 import { KubeflowOperator } from './kubeflowConfig';
-import { KubernetesCRDClient, GeneralK8sClient } from '../kubernetesApiClient';
 
-abstract class KubeflowOperatorClient extends KubernetesCRDClient{
+/**
+ * KubeflowOperator Client
+ */
+abstract class KubeflowOperatorClient extends KubernetesCRDClient {
     /**
-     * Factory method to generate operator cliet
+     * Factory method to generate operator client
      */
+    // tslint:disable-next-line:function-name
     public static generateOperatorClient(kubeflowOperator: KubeflowOperator,
                                          operatorApiVersion: string): KubernetesCRDClient {
-        switch(kubeflowOperator) {
+        switch (kubeflowOperator) {
             case 'tf-operator': {
-                switch(operatorApiVersion) {
+                switch (operatorApiVersion) {
                     case 'v1alpha2': {
                         return new TFOperatorClientV1Alpha2();
                     }
@@ -41,11 +45,12 @@ abstract class KubeflowOperatorClient extends KubernetesCRDClient{
                     case 'v1beta2': {
                         return new TFOperatorClientV1Beta2();
                     }
+                    default:
+                        throw new Error(`Invalid tf-operator apiVersion ${operatorApiVersion}`);
                 }
-                break;
             }
             case 'pytorch-operator': {
-                switch(operatorApiVersion) {
+                switch (operatorApiVersion) {
                     case 'v1alpha2': {
                         return new PyTorchOperatorClientV1Alpha2();
                     }
@@ -55,13 +60,17 @@ abstract class KubeflowOperatorClient extends KubernetesCRDClient{
                     case 'v1beta2': {
                         return new PyTorchOperatorClientV1Beta2();
                     }
+                    default:
+                        throw new Error(`Invalid pytorch-operator apiVersion ${operatorApiVersion}`);
                 }
             }
+            default:
+                throw new Error(`Invalid operator ${kubeflowOperator}`);
         }
-        throw new Error(`Invalid operator ${kubeflowOperator} or apiVersion ${operatorApiVersion}`);
     }
 }
 
+// tslint:disable: no-unsafe-any no-any completed-docs
 class TFOperatorClientV1Alpha2 extends KubeflowOperatorClient {
     /**
      * constructor, to initialize tfjob CRD definition
@@ -73,7 +82,7 @@ class TFOperatorClientV1Alpha2 extends KubeflowOperatorClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1alpha2.namespaces('default').tfjobs;
+        return this.client.apis['kubeflow.org'].v1alpha2.namespaces('default').tfjobs;
     }
 
     public get containerName(): string {
@@ -92,7 +101,7 @@ class TFOperatorClientV1Beta1 extends KubernetesCRDClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1beta1.namespaces('default').tfjobs;
+        return this.client.apis['kubeflow.org'].v1beta1.namespaces('default').tfjobs;
     }
 
     public get containerName(): string {
@@ -111,7 +120,7 @@ class TFOperatorClientV1Beta2 extends KubernetesCRDClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1beta2.namespaces('default').tfjobs;
+        return this.client.apis['kubeflow.org'].v1beta2.namespaces('default').tfjobs;
     }
 
     public get containerName(): string {
@@ -130,7 +139,7 @@ class PyTorchOperatorClientV1Alpha2 extends KubeflowOperatorClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1alpha2.namespaces('default').pytorchjobs;
+        return this.client.apis['kubeflow.org'].v1alpha2.namespaces('default').pytorchjobs;
     }
 
     public get containerName(): string {
@@ -149,7 +158,7 @@ class PyTorchOperatorClientV1Beta1 extends KubernetesCRDClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1beta1.namespaces('default').pytorchjobs;
+        return this.client.apis['kubeflow.org'].v1beta1.namespaces('default').pytorchjobs;
     }
 
     public get containerName(): string {
@@ -168,7 +177,7 @@ class PyTorchOperatorClientV1Beta2 extends KubernetesCRDClient {
     }
 
     protected get operator(): any {
-        return this.client.apis["kubeflow.org"].v1beta2.namespaces('default').pytorchjobs;
+        return this.client.apis['kubeflow.org'].v1beta2.namespaces('default').pytorchjobs;
     }
 
     public get containerName(): string {
@@ -176,5 +185,5 @@ class PyTorchOperatorClientV1Beta2 extends KubernetesCRDClient {
     }
 }
 
+// tslint:enable: no-unsafe-any
 export { KubeflowOperatorClient, GeneralK8sClient };
-

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowConfig.ts

@@ -20,16 +20,20 @@
 'use strict';
 
 import * as assert from 'assert';
-import { KubernetesClusterConfigAzure, KubernetesClusterConfigNFS, KubernetesStorageKind, NFSConfig, AzureStorage, keyVaultConfig,
-        KubernetesTrialConfig, KubernetesTrialConfigTemplate, StorageConfig, KubernetesClusterConfig } from '../kubernetesConfig'
 import { MethodNotImplementedError } from '../../../common/errors';
+import { AzureStorage, KeyVaultConfig, KubernetesClusterConfig, KubernetesClusterConfigAzure, KubernetesClusterConfigNFS,
+    KubernetesStorageKind, KubernetesTrialConfig, KubernetesTrialConfigTemplate, NFSConfig, StorageConfig
+} from '../kubernetesConfig';
 
-/** operator types that kubeflow supported */
+// operator types that kubeflow supported
 export type KubeflowOperator = 'tf-operator' | 'pytorch-operator' ;
 export type DistTrainRole = 'worker' | 'ps' | 'master';
 export type KubeflowJobStatus = 'Created' | 'Running' | 'Failed' | 'Succeeded';
 export type OperatorApiVersion = 'v1alpha2' | 'v1beta1' | 'v1beta2';
 
+/**
+ * Kubeflow Cluster Configuration
+ */
 export class KubeflowClusterConfig extends KubernetesClusterConfig {
     public readonly operator: KubeflowOperator;
     constructor(apiVersion: string, operator: KubeflowOperator) {
@@ -38,6 +42,7 @@ export class KubeflowClusterConfig extends KubernetesClusterConfig {
     }
 }
 
+// tslint:disable:completed-docs
 export class KubeflowClusterConfigNFS extends KubernetesClusterConfigNFS {
     public readonly operator: KubeflowOperator;
     constructor(
@@ -54,9 +59,11 @@ export class KubeflowClusterConfigNFS extends KubernetesClusterConfigNFS {
         return 'nfs';
     }
 
+    // tslint:disable-next-line:function-name
     public static getInstance(jsonObject: object): KubeflowClusterConfigNFS {
-        let kubeflowClusterConfigObjectNFS = <KubeflowClusterConfigNFS>jsonObject;
-        assert (kubeflowClusterConfigObjectNFS !== undefined)
+        const kubeflowClusterConfigObjectNFS: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS>jsonObject;
+        assert (kubeflowClusterConfigObjectNFS !== undefined);
+
         return new KubeflowClusterConfigNFS(
             kubeflowClusterConfigObjectNFS.operator,
             kubeflowClusterConfigObjectNFS.apiVersion,
@@ -66,26 +73,28 @@ export class KubeflowClusterConfigNFS extends KubernetesClusterConfigNFS {
     }
 }
 
-export class KubeflowClusterConfigAzure extends KubernetesClusterConfigAzure{
+export class KubeflowClusterConfigAzure extends KubernetesClusterConfigAzure {
     public readonly operator: KubeflowOperator;
 
     constructor(
             operator: KubeflowOperator,
             apiVersion: string,
-            keyVault: keyVaultConfig, 
+            keyVault: KeyVaultConfig,
             azureStorage: AzureStorage,
             storage?: KubernetesStorageKind
         ) {
-        super(apiVersion, keyVault, azureStorage,storage);
+        super(apiVersion, keyVault, azureStorage, storage);
         this.operator = operator;
     }
 
-    public get storageType(): KubernetesStorageKind{
+    public get storageType(): KubernetesStorageKind {
         return 'azureStorage';
     }
 
+    // tslint:disable-next-line:function-name
     public static getInstance(jsonObject: object): KubeflowClusterConfigAzure {
-        let kubeflowClusterConfigObjectAzure = <KubeflowClusterConfigAzure>jsonObject;
+        const kubeflowClusterConfigObjectAzure: KubeflowClusterConfigAzure = <KubeflowClusterConfigAzure>jsonObject;
+
         return new KubeflowClusterConfigAzure(
             kubeflowClusterConfigObjectAzure.operator,
             kubeflowClusterConfigObjectAzure.apiVersion,
@@ -98,12 +107,13 @@ export class KubeflowClusterConfigAzure extends KubernetesClusterConfigAzure{
 
 export class KubeflowClusterConfigFactory {
 
+    // tslint:disable-next-line:function-name
     public static generateKubeflowClusterConfig(jsonObject: object): KubeflowClusterConfig {
-         let storageConfig = <StorageConfig>jsonObject;
-         if(!storageConfig) {
-            throw new Error("Invalid json object as a StorageConfig instance");
+         const storageConfig: StorageConfig = <StorageConfig>jsonObject;
+         if (storageConfig === undefined) {
+            throw new Error('Invalid json object as a StorageConfig instance');
         }
-         if(storageConfig.storage && storageConfig.storage === 'azureStorage') {
+         if (storageConfig.storage !== undefined && storageConfig.storage === 'azureStorage') {
             return KubeflowClusterConfigAzure.getInstance(jsonObject);
          } else if (storageConfig.storage === undefined || storageConfig.storage === 'nfs') {
             return KubeflowClusterConfigNFS.getInstance(jsonObject);
@@ -122,7 +132,7 @@ export class KubeflowTrialConfig extends KubernetesTrialConfig {
     }
 }
 
-export class KubeflowTrialConfigTemplate extends KubernetesTrialConfigTemplate{
+export class KubeflowTrialConfigTemplate extends KubernetesTrialConfigTemplate {
     public readonly replicas: number;
     constructor(replicas: number, command : string, gpuNum : number,
                 cpuNum: number, memoryMB: number, image: string) {
@@ -163,16 +173,19 @@ export class KubeflowTrialConfigPytorch extends KubeflowTrialConfig {
 
 export class KubeflowTrialConfigFactory {
 
+    // tslint:disable-next-line:function-name
     public static generateKubeflowTrialConfig(jsonObject: object, operator: KubeflowOperator): KubeflowTrialConfig {
-        if(operator === 'tf-operator'){
-            let kubeflowTrialConfigObject = <KubeflowTrialConfigTensorflow>jsonObject;
+        if (operator === 'tf-operator') {
+            const kubeflowTrialConfigObject: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>jsonObject;
+
             return new KubeflowTrialConfigTensorflow(
                 kubeflowTrialConfigObject.codeDir,
                 kubeflowTrialConfigObject.worker,
                 kubeflowTrialConfigObject.ps
             );
-        }else if(operator === 'pytorch-operator'){
-            let kubeflowTrialConfigObject = <KubeflowTrialConfigPytorch>jsonObject;
+        } else if (operator === 'pytorch-operator') {
+            const kubeflowTrialConfigObject: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>jsonObject;
+
             return new KubeflowTrialConfigPytorch(
                 kubeflowTrialConfigObject.codeDir,
                 kubeflowTrialConfigObject.master,

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowJobInfoCollector.ts

@@ -19,15 +19,15 @@
 
 'use strict';
 
-import { KubernetesTrialJobDetail} from '../kubernetesData';
 import { KubernetesCRDClient } from '../kubernetesApiClient';
+import { KubernetesTrialJobDetail} from '../kubernetesData';
 import { KubernetesJobInfoCollector } from '../kubernetesJobInfoCollector';
 import { KubeflowJobStatus } from './kubeflowConfig';
 
 /**
  * Collector Kubeflow jobs info from Kubernetes cluster, and update kubeflow job status locally
  */
-export class KubeflowJobInfoCollector extends KubernetesJobInfoCollector{
+export class KubeflowJobInfoCollector extends KubernetesJobInfoCollector {
     constructor(jobMap: Map<string, KubernetesTrialJobDetail>) {
         super(jobMap);
     }
@@ -38,31 +38,33 @@ export class KubeflowJobInfoCollector extends KubernetesJobInfoCollector{
             return Promise.resolve();
         }
 
-        if(kubernetesCRDClient === undefined) {
+        if (kubernetesCRDClient === undefined) {
             return Promise.reject('kubernetesCRDClient is undefined');
         }
 
+        // tslint:disable:no-any no-unsafe-any
         let kubernetesJobInfo: any;
         try {
             kubernetesJobInfo = await kubernetesCRDClient.getKubernetesJob(kubernetesTrialJob.kubernetesJobName);
-        } catch(error) {
+        } catch (error) {
             // Notice: it maynot be a 'real' error since cancel trial job can also cause getKubernetesJob failed.
             this.log.error(`Get job ${kubernetesTrialJob.kubernetesJobName} info failed, error is ${error}`);
+
             //This is not treat as a error status
             return Promise.resolve();
         }
 
-        if(kubernetesJobInfo.status && kubernetesJobInfo.status.conditions) {
-            const latestCondition = kubernetesJobInfo.status.conditions[kubernetesJobInfo.status.conditions.length - 1];
+        if (kubernetesJobInfo.status && kubernetesJobInfo.status.conditions) {
+            const latestCondition: any = kubernetesJobInfo.status.conditions[kubernetesJobInfo.status.conditions.length - 1];
             const tfJobType : KubeflowJobStatus = <KubeflowJobStatus>latestCondition.type;
-            switch(tfJobType) {
+            switch (tfJobType) {
                 case 'Created':
                     kubernetesTrialJob.status = 'WAITING';
                     kubernetesTrialJob.startTime = Date.parse(<string>latestCondition.lastUpdateTime);
                     break;
                 case 'Running':
                     kubernetesTrialJob.status = 'RUNNING';
-                    if(!kubernetesTrialJob.startTime) {
+                    if (kubernetesTrialJob.startTime === undefined) {
                         kubernetesTrialJob.startTime = Date.parse(<string>latestCondition.lastUpdateTime);
                     }
                     break;
@@ -75,9 +77,10 @@ export class KubeflowJobInfoCollector extends KubernetesJobInfoCollector{
                     kubernetesTrialJob.endTime = Date.parse(<string>latestCondition.lastUpdateTime);
                     break;
                 default:
-                    break;
             }
         }
+        // tslint:enable:no-any no-unsafe-any
+
         return Promise.resolve();
     }
 }

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowJobRestServer.ts

@@ -20,15 +20,15 @@
 'use strict';
 
 import * as component from '../../../common/component';
+import { KubernetesJobRestServer } from '../kubernetesJobRestServer';
 import { KubeflowTrainingService } from './kubeflowTrainingService';
-import { KubernetesJobRestServer } from '../kubernetesJobRestServer'
 
 /**
  * Kubeflow Training service Rest server, provides rest API to support kubeflow job metrics update
  *
  */
 @component.Singleton
-export class KubeflowJobRestServer extends KubernetesJobRestServer{
+export class KubeflowJobRestServer extends KubernetesJobRestServer {
     /**
      * constructor to provide NNIRestServer's own rest property, e.g. port
      */

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowTrainingService.ts

@@ -17,35 +17,34 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-'use strict'
+'use strict';
 
 import * as assert from 'assert';
-import * as component from '../../../common/component';
 import * as cpp from 'child-process-promise';
 import * as fs from 'fs';
 import * as path from 'path';
+import * as component from '../../../common/component';
 
-import { CONTAINER_INSTALL_NNI_SHELL_FORMAT } from '../../common/containerJobData';
 import { getExperimentId } from '../../../common/experimentStartupInfo';
-import { TrialConfigMetadataKey } from '../../common/trialConfigMetadataKey';
 import {
-    JobApplicationForm, TrialJobApplicationForm,
-    TrialJobDetail, NNIManagerIpConfig
+    JobApplicationForm, NNIManagerIpConfig, TrialJobApplicationForm, TrialJobDetail
 } from '../../../common/trainingService';
 import { delay, generateParamFileName, getExperimentRootDir, uniqueString } from '../../../common/utils';
-import { KubeflowClusterConfigNFS, KubeflowClusterConfigAzure,
-     KubeflowTrialConfigPytorch, KubeflowTrialConfigTensorflow, KubeflowClusterConfigFactory, KubeflowTrialConfigFactory,
-     KubeflowTrialConfig, KubeflowClusterConfig } from './kubeflowConfig';
-import { NFSConfig } from '../kubernetesConfig'
-import { KubernetesTrialJobDetail } from '../kubernetesData';
-import { KubeflowJobRestServer } from './kubeflowJobRestServer';
+import { CONTAINER_INSTALL_NNI_SHELL_FORMAT } from '../../common/containerJobData';
+import { TrialConfigMetadataKey } from '../../common/trialConfigMetadataKey';
 import { validateCodeDir } from '../../common/util';
 import { AzureStorageClientUtility } from '../azureStorageClientUtils';
+import { NFSConfig } from '../kubernetesConfig';
+import { KubernetesTrialJobDetail } from '../kubernetesData';
+import { KubernetesTrainingService } from '../kubernetesTrainingService';
 import { KubeflowOperatorClient } from './kubeflowApiClient';
-import { KubernetesTrainingService } from '../kubernetesTrainingService'
+import { KubeflowClusterConfig, KubeflowClusterConfigAzure, KubeflowClusterConfigFactory, KubeflowClusterConfigNFS,
+    KubeflowTrialConfig, KubeflowTrialConfigFactory, KubeflowTrialConfigPytorch, KubeflowTrialConfigTensorflow
+} from './kubeflowConfig';
 import { KubeflowJobInfoCollector } from './kubeflowJobInfoCollector';
+import { KubeflowJobRestServer } from './kubeflowJobRestServer';
 
-
+// tslint:disable: no-unsafe-any no-any
 /**
  * Training Service implementation for Kubeflow
  * Refer https://github.com/kubeflow/kubeflow for more info about Kubeflow
@@ -54,7 +53,7 @@ import { KubeflowJobInfoCollector } from './kubeflowJobInfoCollector';
 class KubeflowTrainingService extends KubernetesTrainingService implements KubernetesTrainingService {
     private kubeflowClusterConfig?: KubeflowClusterConfig;
     private kubeflowTrialConfig?: KubeflowTrialConfig;
-    private kubeflowJobInfoCollector: KubeflowJobInfoCollector;
+    private readonly kubeflowJobInfoCollector: KubeflowJobInfoCollector;
 
     constructor() {
         super();
@@ -67,7 +66,7 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
     public async run(): Promise<void> {
         this.log.info('Run Kubeflow training service.');
         this.kubernetesJobRestServer = component.get(KubeflowJobRestServer);
-        if(!this.kubernetesJobRestServer) {
+        if (this.kubernetesJobRestServer === undefined) {
             throw new Error('kubernetesJobRestServer not initialized!');
         }
         await this.kubernetesJobRestServer.start();
@@ -77,7 +76,7 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
             // collect metrics for Kubeflow jobs by interacting with Kubernetes API server
             await delay(3000);
             await this.kubeflowJobInfoCollector.retrieveTrialStatus(this.kubernetesCRDClient);
-            if(this.kubernetesJobRestServer.getErrorMessage) {
+            if (this.kubernetesJobRestServer.getErrorMessage !== undefined) {
                 throw new Error(this.kubernetesJobRestServer.getErrorMessage);
                 this.stopping = true;
             }
@@ -86,17 +85,17 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
     }
 
     public async submitTrialJob(form: JobApplicationForm): Promise<TrialJobDetail> {
-        if(!this.kubernetesCRDClient) {
+        if (this.kubernetesCRDClient === undefined) {
             throw new Error('Kubeflow job operator client is undefined');
         }
 
-        if(!this.kubernetesRestServerPort) {
+        if (this.kubernetesRestServerPort === undefined) {
             const restServer: KubeflowJobRestServer = component.get(KubeflowJobRestServer);
             this.kubernetesRestServerPort = restServer.clusterRestServerPort;
         }
         const trialJobId: string = uniqueString(5);
         const trialWorkingFolder: string = path.join(this.CONTAINER_MOUNT_PATH, 'nni', getExperimentId(), trialJobId);
-        const kubeflowJobName = `nni-exp-${this.experimentId}-trial-${trialJobId}`.toLowerCase();
+        const kubeflowJobName: string = `nni-exp-${this.experimentId}-trial-${trialJobId}`.toLowerCase();
         const curTrialSequenceId: number = this.generateSequenceId();
         const trialLocalTempFolder: string = path.join(getExperimentRootDir(), 'trials-local', trialJobId);
         //prepare the runscript
@@ -125,6 +124,72 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
         return Promise.resolve(trialJobDetail);
     }
 
+    // tslint:disable:no-redundant-jsdoc
+    public async setClusterMetadata(key: string, value: string): Promise<void> {
+        switch (key) {
+            case TrialConfigMetadataKey.NNI_MANAGER_IP:
+                this.nniManagerIpConfig = <NNIManagerIpConfig>JSON.parse(value);
+                break;
+
+            case TrialConfigMetadataKey.KUBEFLOW_CLUSTER_CONFIG:
+                const kubeflowClusterJsonObject: object = JSON.parse(value);
+                this.kubeflowClusterConfig = KubeflowClusterConfigFactory.generateKubeflowClusterConfig(kubeflowClusterJsonObject);
+                if (this.kubeflowClusterConfig.storageType === 'azureStorage') {
+                    const azureKubeflowClusterConfig: KubeflowClusterConfigAzure = <KubeflowClusterConfigAzure>this.kubeflowClusterConfig;
+                    this.azureStorageAccountName = azureKubeflowClusterConfig.azureStorage.accountName;
+                    this.azureStorageShare = azureKubeflowClusterConfig.azureStorage.azureShare;
+                    await this.createAzureStorage(
+                        azureKubeflowClusterConfig.keyVault.vaultName,
+                        azureKubeflowClusterConfig.keyVault.name,
+                        azureKubeflowClusterConfig.azureStorage.accountName,
+                        azureKubeflowClusterConfig.azureStorage.azureShare
+                    );
+                } else if (this.kubeflowClusterConfig.storageType === 'nfs') {
+                    const nfsKubeflowClusterConfig: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS>this.kubeflowClusterConfig;
+                    await this.createNFSStorage(
+                        nfsKubeflowClusterConfig.nfs.server,
+                        nfsKubeflowClusterConfig.nfs.path
+                    );
+                }
+                this.kubernetesCRDClient = KubeflowOperatorClient.generateOperatorClient(this.kubeflowClusterConfig.operator,
+                                                                                         this.kubeflowClusterConfig.apiVersion);
+                break;
+
+            case TrialConfigMetadataKey.TRIAL_CONFIG:
+                if (this.kubeflowClusterConfig === undefined) {
+                    this.log.error('kubeflow cluster config is not initialized');
+
+                    return Promise.reject(new Error('kubeflow cluster config is not initialized'));
+                }
+
+                assert(this.kubeflowClusterConfig !== undefined);
+                const kubeflowTrialJsonObjsect: object = JSON.parse(value);
+                this.kubeflowTrialConfig = KubeflowTrialConfigFactory.generateKubeflowTrialConfig(
+                    kubeflowTrialJsonObjsect,
+                    this.kubeflowClusterConfig.operator
+                );
+
+                // Validate to make sure codeDir doesn't have too many files
+                try {
+                    await validateCodeDir(this.kubeflowTrialConfig.codeDir);
+                } catch (error) {
+                    this.log.error(error);
+
+                    return Promise.reject(new Error(error));
+                }
+                break;
+            case TrialConfigMetadataKey.VERSION_CHECK:
+                this.versionCheck = (value === 'true' || value === 'True');
+                break;
+            case TrialConfigMetadataKey.LOG_COLLECTION:
+                this.logCollection = value;
+                break;
+            default:
+        }
+
+        return Promise.resolve();
+    }
+
     /**
      * upload code files to nfs or azureStroage
      * @param trialJobId
@@ -132,54 +197,61 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
      * return: trialJobOutputUrl
      */
     private async uploadCodeFiles(trialJobId: string, trialLocalTempFolder: string): Promise<string> {
-        if(!this.kubeflowClusterConfig) {
+        if (this.kubeflowClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
         let trialJobOutputUrl: string = '';
 
-        assert(!this.kubeflowClusterConfig.storage 
+        assert(this.kubeflowClusterConfig.storage === undefined
             || this.kubeflowClusterConfig.storage === 'azureStorage'
             || this.kubeflowClusterConfig.storage === 'nfs');
 
-        if(this.kubeflowClusterConfig.storage === 'azureStorage') {
-            try{
+        if (this.kubeflowClusterConfig.storage === 'azureStorage') {
+            if (this.azureStorageClient === undefined) {
+                throw new Error('azureStorageClient is not initialized');
+            }
+            try {
                 //upload local files to azure storage
                 await AzureStorageClientUtility.uploadDirectory(this.azureStorageClient,
-                    `nni/${getExperimentId()}/${trialJobId}`, this.azureStorageShare, `${trialLocalTempFolder}`);
+                                                                `nni/${getExperimentId()}/${trialJobId}`, this.azureStorageShare,
+                                                                `${trialLocalTempFolder}`);
 
-                trialJobOutputUrl = `https://${this.azureStorageAccountName}.file.core.windows.net/${this.azureStorageShare}/${path.join('nni', getExperimentId(), trialJobId, 'output')}`
-            }catch(error){
+                trialJobOutputUrl = `https://${this.azureStorageAccountName}.file.core.windows.net/${this.azureStorageShare}\
+                /${path.join('nni', getExperimentId(), trialJobId, 'output')}`;
+            } catch (error) {
                 this.log.error(error);
+
                 return Promise.reject(error);
             }
-        } else if(this.kubeflowClusterConfig.storage === 'nfs' || this.kubeflowClusterConfig.storage === undefined) {
-            let nfsKubeflowClusterConfig: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS>this.kubeflowClusterConfig;
+        } else if (this.kubeflowClusterConfig.storage === 'nfs' || this.kubeflowClusterConfig.storage === undefined) {
+            const nfsKubeflowClusterConfig: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS>this.kubeflowClusterConfig;
             // Creat work dir for current trial in NFS directory
             await cpp.exec(`mkdir -p ${this.trialLocalNFSTempFolder}/nni/${getExperimentId()}/${trialJobId}`);
             // Copy code files from local dir to NFS mounted dir
             await cpp.exec(`cp -r ${trialLocalTempFolder}/* ${this.trialLocalNFSTempFolder}/nni/${getExperimentId()}/${trialJobId}/.`);
 
             const nfsConfig: NFSConfig = nfsKubeflowClusterConfig.nfs;
-            trialJobOutputUrl = `nfs://${nfsConfig.server}:${path.join(nfsConfig.path, 'nni', getExperimentId(), trialJobId, 'output')}`
+            trialJobOutputUrl = `nfs://${nfsConfig.server}:${path.join(nfsConfig.path, 'nni', getExperimentId(), trialJobId, 'output')}`;
         }
 
         return Promise.resolve(trialJobOutputUrl);
     }
 
-    private async prepareRunScript(trialLocalTempFolder: string, trialJobId: string, trialWorkingFolder: string, curTrialSequenceId: number, form: JobApplicationForm): Promise<void> {
-        if(!this.kubeflowClusterConfig) {
+    private async prepareRunScript(trialLocalTempFolder: string, trialJobId: string, trialWorkingFolder: string, curTrialSequenceId: number,
+                                   form: JobApplicationForm): Promise<void> {
+        if (this.kubeflowClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
         // initialize kubeflow trial config to specific type
-        let kubeflowTrialConfig;
-        if(this.kubeflowClusterConfig.operator === 'tf-operator') {
+        let kubeflowTrialConfig: any;
+        if (this.kubeflowClusterConfig.operator === 'tf-operator') {
             kubeflowTrialConfig = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
-        }else if(this.kubeflowClusterConfig.operator === 'pytorch-operator'){
+        } else if (this.kubeflowClusterConfig.operator === 'pytorch-operator') {
             kubeflowTrialConfig = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
-        }else {
-            throw Error(`operator ${this.kubeflowClusterConfig.operator} is invalid`)
+        } else {
+            throw Error(`operator ${this.kubeflowClusterConfig.operator} is invalid`);
         }
 
         //create tmp trial working folder locally.
@@ -192,149 +264,89 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
         await cpp.exec(`mkdir -p ${trialLocalTempFolder}`);
 
         // Write worker file content run_worker.sh to local tmp folders
-       if(kubeflowTrialConfig.worker) {
+        if (kubeflowTrialConfig.worker !== undefined) {
            const workerRunScriptContent: string = await this.generateRunScript('kubeflow', trialJobId, trialWorkingFolder,
-                   kubeflowTrialConfig.worker.command, curTrialSequenceId.toString(), 'worker', kubeflowTrialConfig.worker.gpuNum);
-
+                                                                               kubeflowTrialConfig.worker.command,
+                                                                               curTrialSequenceId.toString(), 'worker',
+                                                                               kubeflowTrialConfig.worker.gpuNum);
            await fs.promises.writeFile(path.join(trialLocalTempFolder, 'run_worker.sh'), workerRunScriptContent, { encoding: 'utf8' });
         }
         // Write parameter server file content run_ps.sh to local tmp folders
-       if(this.kubeflowClusterConfig.operator === 'tf-operator') {
-           let tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
-           if(tensorflowTrialConfig.ps){
+        if (this.kubeflowClusterConfig.operator === 'tf-operator') {
+           const tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
+           if (tensorflowTrialConfig.ps !== undefined) {
                const psRunScriptContent: string = await this.generateRunScript('kubeflow', trialJobId, trialWorkingFolder,
-                   tensorflowTrialConfig.ps.command, curTrialSequenceId.toString(), 'ps', tensorflowTrialConfig.ps.gpuNum);
+                                                                               tensorflowTrialConfig.ps.command,
+                                                                               curTrialSequenceId.toString(),
+                                                                               'ps', tensorflowTrialConfig.ps.gpuNum);
                await fs.promises.writeFile(path.join(trialLocalTempFolder, 'run_ps.sh'), psRunScriptContent, { encoding: 'utf8' });
            }
-       }
-       else if(this.kubeflowClusterConfig.operator === 'pytorch-operator') {
-           let pytorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
-           if(pytorchTrialConfig.master){
+        } else if (this.kubeflowClusterConfig.operator === 'pytorch-operator') {
+           const pytorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
+           if (pytorchTrialConfig.master !== undefined) {
                const masterRunScriptContent: string = await this.generateRunScript('kubeflow', trialJobId, trialWorkingFolder,
-                   pytorchTrialConfig.master.command, curTrialSequenceId.toString(), 'master', pytorchTrialConfig.master.gpuNum);
+                                                                                   pytorchTrialConfig.master.command,
+                                                                                   curTrialSequenceId.toString(), 'master',
+                                                                                   pytorchTrialConfig.master.gpuNum);
                await fs.promises.writeFile(path.join(trialLocalTempFolder, 'run_master.sh'), masterRunScriptContent, { encoding: 'utf8' });
            }
         }
         // Write file content ( parameter.cfg ) to local tmp folders
-       const trialForm : TrialJobApplicationForm = (<TrialJobApplicationForm>form)
-       if(trialForm && trialForm.hyperParameters) {
+        const trialForm : TrialJobApplicationForm = (<TrialJobApplicationForm>form);
+        if (trialForm !== undefined && trialForm.hyperParameters !== undefined) {
            await fs.promises.writeFile(path.join(trialLocalTempFolder, generateParamFileName(trialForm.hyperParameters)),
                                        trialForm.hyperParameters.value, { encoding: 'utf8' });
         }
     }
 
     private async prepareKubeflowConfig(trialJobId: string, trialWorkingFolder: string, kubeflowJobName: string): Promise<any> {
-        if(!this.kubeflowClusterConfig) {
+        if (this.kubeflowClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
-        if(!this.kubeflowTrialConfig) {
+        if (this.kubeflowTrialConfig === undefined) {
             throw new Error('Kubeflow trial config is not initialized');
         }
 
         // initialize kubeflow trial config to specific type
-        let kubeflowTrialConfig;
-        if(this.kubeflowClusterConfig.operator === 'tf-operator') {
+        let kubeflowTrialConfig: any;
+        if (this.kubeflowClusterConfig.operator === 'tf-operator') {
             kubeflowTrialConfig = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
-        }else if(this.kubeflowClusterConfig.operator === 'pytorch-operator'){
+        } else if (this.kubeflowClusterConfig.operator === 'pytorch-operator') {
             kubeflowTrialConfig = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
-        }else {
-            throw Error(`operator ${this.kubeflowClusterConfig.operator} is invalid`)
+        } else {
+            throw Error(`operator ${this.kubeflowClusterConfig.operator} is invalid`);
         }
 
         const workerPodResources : any = {};
-        if(kubeflowTrialConfig.worker) {
+        if (kubeflowTrialConfig.worker !== undefined) {
             workerPodResources.requests = this.generatePodResource(kubeflowTrialConfig.worker.memoryMB, kubeflowTrialConfig.worker.cpuNum,
-                kubeflowTrialConfig.worker.gpuNum)
+                                                                   kubeflowTrialConfig.worker.gpuNum);
         }
-        workerPodResources.limits = Object.assign({}, workerPodResources.requests);
+        workerPodResources.limits = {...workerPodResources.requests};
 
-        let nonWorkerResources : any = {};
-        if(this.kubeflowClusterConfig.operator === 'tf-operator') {
-            let tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
-            if (tensorflowTrialConfig.ps) {
+        const nonWorkerResources : any = {};
+        if (this.kubeflowClusterConfig.operator === 'tf-operator') {
+            const tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
+            if (tensorflowTrialConfig.ps !== undefined) {
                 nonWorkerResources.requests = this.generatePodResource(tensorflowTrialConfig.ps.memoryMB, tensorflowTrialConfig.ps.cpuNum,
-                    tensorflowTrialConfig.ps.gpuNum)
-                    nonWorkerResources.limits = Object.assign({}, nonWorkerResources.requests); 
+                                                                       tensorflowTrialConfig.ps.gpuNum);
+                nonWorkerResources.limits = {...nonWorkerResources.requests};
             }
-        }else if(this.kubeflowClusterConfig.operator === 'pytorch-operator'){
-            let pyTorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
+        } else if (this.kubeflowClusterConfig.operator === 'pytorch-operator') {
+            const pyTorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
             nonWorkerResources.requests = this.generatePodResource(pyTorchTrialConfig.master.memoryMB, pyTorchTrialConfig.master.cpuNum,
-                pyTorchTrialConfig.master.gpuNum)
-                nonWorkerResources.limits = Object.assign({}, nonWorkerResources.requests); 
-            
+                                                                   pyTorchTrialConfig.master.gpuNum);
+            nonWorkerResources.limits = {...nonWorkerResources.requests};
         }
 
         // Generate kubeflow job resource config object
-        const kubeflowJobConfig: any = this.generateKubeflowJobConfig(trialJobId, trialWorkingFolder, kubeflowJobName, workerPodResources, nonWorkerResources);
+        const kubeflowJobConfig: any = this.generateKubeflowJobConfig(trialJobId, trialWorkingFolder, kubeflowJobName, workerPodResources,
+                                                                      nonWorkerResources);
 
         return Promise.resolve(kubeflowJobConfig);
     }
 
-    public async setClusterMetadata(key: string, value: string): Promise<void> {
-        switch (key) {
-            case TrialConfigMetadataKey.NNI_MANAGER_IP:
-                this.nniManagerIpConfig = <NNIManagerIpConfig>JSON.parse(value);
-                break;
-            
-            case TrialConfigMetadataKey.KUBEFLOW_CLUSTER_CONFIG:
-                let kubeflowClusterJsonObject = JSON.parse(value);
-                this.kubeflowClusterConfig = KubeflowClusterConfigFactory.generateKubeflowClusterConfig(kubeflowClusterJsonObject);
-                if(this.kubeflowClusterConfig.storageType === 'azureStorage') {
-                    let azureKubeflowClusterConfig = <KubeflowClusterConfigAzure>this.kubeflowClusterConfig;
-                    this.azureStorageAccountName = azureKubeflowClusterConfig.azureStorage.accountName;
-                    this.azureStorageShare = azureKubeflowClusterConfig.azureStorage.azureShare;
-                    await this.createAzureStorage(
-                        azureKubeflowClusterConfig.keyVault.vaultName,
-                        azureKubeflowClusterConfig.keyVault.name,
-                        azureKubeflowClusterConfig.azureStorage.accountName,
-                        azureKubeflowClusterConfig.azureStorage.azureShare
-                    );
-                } else if(this.kubeflowClusterConfig.storageType === 'nfs') {
-                    let nfsKubeflowClusterConfig = <KubeflowClusterConfigNFS>this.kubeflowClusterConfig;
-                    await this.createNFSStorage(
-                        nfsKubeflowClusterConfig.nfs.server,
-                        nfsKubeflowClusterConfig.nfs.path
-                    );
-                } 
-                this.kubernetesCRDClient = KubeflowOperatorClient.generateOperatorClient(this.kubeflowClusterConfig.operator,
-                                                                                     this.kubeflowClusterConfig.apiVersion);
-                break;
-
-            case TrialConfigMetadataKey.TRIAL_CONFIG:
-                if (!this.kubeflowClusterConfig){
-                    this.log.error('kubeflow cluster config is not initialized');
-                    return Promise.reject(new Error('kubeflow cluster config is not initialized'));                    
-                }
-
-                assert(this.kubeflowClusterConfig !== undefined)
-                let kubeflowTrialJsonObjsect = JSON.parse(value);
-                this.kubeflowTrialConfig = KubeflowTrialConfigFactory.generateKubeflowTrialConfig(
-                    kubeflowTrialJsonObjsect, 
-                    this.kubeflowClusterConfig.operator
-                );
-
-                // Validate to make sure codeDir doesn't have too many files
-                try {
-                    await validateCodeDir(this.kubeflowTrialConfig.codeDir);
-                } catch(error) {
-                    this.log.error(error);
-                    return Promise.reject(new Error(error));                    
-                }
-                break;
-            case TrialConfigMetadataKey.VERSION_CHECK:
-                this.versionCheck = (value === 'true' || value === 'True');
-                break;
-            case TrialConfigMetadataKey.LOG_COLLECTION:
-                this.logCollection = value;
-                break;
-            default:
-                break;
-        }
-
-        return Promise.resolve();
-    }
-
     /**
      * Generate kubeflow resource config file
      * @param trialJobId trial job id
@@ -343,43 +355,42 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
      * @param workerPodResources worker pod template
      * @param nonWorkerPodResources non-worker pod template, like ps or master
      */
-    private generateKubeflowJobConfig(trialJobId: string, trialWorkingFolder: string, kubeflowJobName : string, workerPodResources : any, nonWorkerPodResources?: any) : any {
-        if(!this.kubeflowClusterConfig) {
+    private generateKubeflowJobConfig(trialJobId: string, trialWorkingFolder: string, kubeflowJobName : string, workerPodResources : any,
+                                      nonWorkerPodResources?: any) : any {
+        if (this.kubeflowClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
-        if(!this.kubeflowTrialConfig) {
+        if (this.kubeflowTrialConfig === undefined) {
             throw new Error('Kubeflow trial config is not initialized');
         }
 
-        if(!this.kubernetesCRDClient) {
+        if (this.kubernetesCRDClient === undefined) {
             throw new Error('Kubeflow operator client is not initialized');
         }
 
         const replicaSpecsObj: any = {};
-        let replicaSpecsObjMap = new Map<string, object>();
+        const replicaSpecsObjMap: Map<string, object> = new Map<string, object>();
 
-        if(this.kubeflowTrialConfig.operatorType === 'tf-operator') {
-            let tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
+        if (this.kubeflowTrialConfig.operatorType === 'tf-operator') {
+            const tensorflowTrialConfig: KubeflowTrialConfigTensorflow = <KubeflowTrialConfigTensorflow>this.kubeflowTrialConfig;
             replicaSpecsObj.Worker = this.generateReplicaConfig(trialWorkingFolder, tensorflowTrialConfig.worker.replicas,
                                                                 tensorflowTrialConfig.worker.image, 'run_worker.sh', workerPodResources);
-            
-            if (tensorflowTrialConfig.ps){
+            if (tensorflowTrialConfig.ps !== undefined) {
                 replicaSpecsObj.Ps = this.generateReplicaConfig(trialWorkingFolder, tensorflowTrialConfig.ps.replicas,
                                                                 tensorflowTrialConfig.ps.image, 'run_ps.sh', nonWorkerPodResources);
             }
-            replicaSpecsObjMap.set(this.kubernetesCRDClient.jobKind, {'tfReplicaSpecs': replicaSpecsObj})
-        }
-        else if(this.kubeflowTrialConfig.operatorType === 'pytorch-operator') {
-            let pytorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
-            if(pytorchTrialConfig.worker) {
+            replicaSpecsObjMap.set(this.kubernetesCRDClient.jobKind, {tfReplicaSpecs: replicaSpecsObj});
+        } else if (this.kubeflowTrialConfig.operatorType === 'pytorch-operator') {
+            const pytorchTrialConfig: KubeflowTrialConfigPytorch = <KubeflowTrialConfigPytorch>this.kubeflowTrialConfig;
+            if (pytorchTrialConfig.worker !== undefined) {
                 replicaSpecsObj.Worker = this.generateReplicaConfig(trialWorkingFolder, pytorchTrialConfig.worker.replicas,
                                                                     pytorchTrialConfig.worker.image, 'run_worker.sh', workerPodResources);
             }
             replicaSpecsObj.Master = this.generateReplicaConfig(trialWorkingFolder, pytorchTrialConfig.master.replicas,
                                                                 pytorchTrialConfig.master.image, 'run_master.sh', nonWorkerPodResources);
 
-            replicaSpecsObjMap.set(this.kubernetesCRDClient.jobKind, {'pytorchReplicaSpecs': replicaSpecsObj})
+            replicaSpecsObjMap.set(this.kubernetesCRDClient.jobKind, {pytorchReplicaSpecs: replicaSpecsObj});
         }
 
         return {
@@ -406,21 +417,22 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
      * @param runScriptFile script file name
      * @param podResources pod resource config section
      */
-    private generateReplicaConfig(trialWorkingFolder: string, replicaNumber: number, replicaImage: string, runScriptFile: string, podResources: any): any {
-        if(!this.kubeflowClusterConfig) {
+    private generateReplicaConfig(trialWorkingFolder: string, replicaNumber: number, replicaImage: string, runScriptFile: string,
+                                  podResources: any): any {
+        if (this.kubeflowClusterConfig === undefined) {
             throw new Error('Kubeflow Cluster config is not initialized');
         }
 
-        if(!this.kubeflowTrialConfig) {
+        if (this.kubeflowTrialConfig === undefined) {
             throw new Error('Kubeflow trial config is not initialized');
         }
 
-        if(!this.kubernetesCRDClient) {
+        if (this.kubernetesCRDClient === undefined) {
             throw new Error('Kubeflow operator client is not initialized');
         }
 
-        let volumeSpecMap = new Map<string, object>();
-        if(this.kubeflowClusterConfig.storageType === 'azureStorage'){
+        const volumeSpecMap: Map<string, object> = new Map<string, object>();
+        if (this.kubeflowClusterConfig.storageType === 'azureStorage') {
             volumeSpecMap.set('nniVolumes', [
             {
                     name: 'nni-vol',
@@ -429,9 +441,9 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
                         shareName: `${this.azureStorageShare}`,
                         readonly: false
                     }
-            }])
-        }else {
-            let nfsKubeflowClusterConfig: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS> this.kubeflowClusterConfig;
+            }]);
+        } else {
+            const nfsKubeflowClusterConfig: KubeflowClusterConfigNFS = <KubeflowClusterConfigNFS> this.kubeflowClusterConfig;
             volumeSpecMap.set('nniVolumes', [
             {
                 name: 'nni-vol',
@@ -439,13 +451,14 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
                     server: `${nfsKubeflowClusterConfig.nfs.server}`,
                     path: `${nfsKubeflowClusterConfig.nfs.path}`
                 }
-            }])
+            }]);
         }
 
         return {
             replicas: replicaNumber,
             template: {
                 metadata: {
+                    // tslint:disable-next-line:no-null-keyword
                     creationTimestamp: null
                 },
                 spec: {
@@ -455,7 +468,7 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
                         // TODO: change the name based on operator's type
                         name: this.kubernetesCRDClient.containerName,
                         image: replicaImage,
-                        args: ["sh", `${path.join(trialWorkingFolder, runScriptFile)}`],
+                        args: ['sh', `${path.join(trialWorkingFolder, runScriptFile)}`],
                         volumeMounts: [
                         {
                             name: 'nni-vol',
@@ -470,5 +483,5 @@ class KubeflowTrainingService extends KubernetesTrainingService implements Kuber
         };
     }
 }
-
-export { KubeflowTrainingService }
+// tslint:enable: no-unsafe-any no-any
+export { KubeflowTrainingService };

src/nni_manager/training_service/kubernetes/kubernetesApiClient.ts

@@ -19,44 +19,46 @@
 
 'use strict';
 
-import * as os from 'os'
-import * as path from 'path';
+import { Client1_10, config } from 'kubernetes-client';
 import { getLogger, Logger } from '../../common/log';
 
-var K8SClient = require('kubernetes-client').Client;
-var K8SConfig = require('kubernetes-client').config;
-
 /**
  * Generict Kubernetes client, target version >= 1.9
  */
+// tslint:disable: no-any no-unsafe-any
 class GeneralK8sClient {
     protected readonly client: any;
     protected readonly log: Logger = getLogger();
 
     constructor() {
-        this.client = new K8SClient({ config: K8SConfig.fromKubeconfig(), version: '1.9'});
+        this.client = new Client1_10({ config: config.fromKubeconfig(), version: '1.9'});
         this.client.loadSpec();
     }
 
     public async createSecret(secretManifest: any): Promise<boolean> {
         let result: Promise<boolean>;
-        const response : any = await this.client.api.v1.namespaces('default').secrets.post({body: secretManifest});
-        if(response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
+        const response : any = await this.client.api.v1.namespaces('default').secrets
+          .post({body: secretManifest});
+        if (response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
             result = Promise.resolve(true);
         } else {
             result = Promise.reject(`Create secrets failed, statusCode is ${response.statusCode}`);
         }
+
         return result;
     }
 }
 
+/**
+ * Kubernetes CRD client
+ */
 abstract class KubernetesCRDClient {
     protected readonly client: any;
     protected readonly log: Logger = getLogger();
     protected crdSchema: any;
 
     constructor() {
-        this.client = new K8SClient({ config: K8SConfig.fromKubeconfig() });
+        this.client = new Client1_10({ config: config.fromKubeconfig() });
         this.client.loadSpec();
     }
 
@@ -65,7 +67,7 @@ abstract class KubernetesCRDClient {
     public abstract get containerName(): string;
 
     public get jobKind(): string {
-        if(this.crdSchema 
+        if (this.crdSchema
             && this.crdSchema.spec
             && this.crdSchema.spec.names
             && this.crdSchema.spec.names.kind) {
@@ -76,7 +78,7 @@ abstract class KubernetesCRDClient {
     }
 
     public get apiVersion(): string {
-        if(this.crdSchema 
+        if (this.crdSchema
             && this.crdSchema.spec
             && this.crdSchema.spec.version) {
             return this.crdSchema.spec.version;
@@ -88,43 +90,50 @@ abstract class KubernetesCRDClient {
     public async createKubernetesJob(jobManifest: any): Promise<boolean> {
         let result: Promise<boolean>;
         const response : any = await this.operator.post({body: jobManifest});
-        if(response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
+        if (response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
             result = Promise.resolve(true);
         } else {
             result = Promise.reject(`Create kubernetes job failed, statusCode is ${response.statusCode}`);
         }
+
         return result;
     }
 
     //TODO : replace any
     public async getKubernetesJob(kubeflowJobName: string): Promise<any> {
         let result: Promise<any>;
-        const response : any = await this.operator(kubeflowJobName).get();
-        if(response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
+        const response : any = await this.operator(kubeflowJobName)
+          .get();
+        if (response.statusCode && (response.statusCode >= 200 && response.statusCode <= 299)) {
             result = Promise.resolve(response.body);
         } else {
             result = Promise.reject(`KubeflowOperatorClient get tfjobs failed, statusCode is ${response.statusCode}`);
         }
+
         return result;
     }
 
     public async deleteKubernetesJob(labels: Map<string, string>): Promise<boolean> {
         let result: Promise<boolean>;
         // construct match query from labels for deleting tfjob
-        const matchQuery: string = Array.from(labels.keys()).map(labelKey => `${labelKey}=${labels.get(labelKey)}`).join(',');
+        const matchQuery: string = Array.from(labels.keys())
+                                     .map((labelKey: string) => `${labelKey}=${labels.get(labelKey)}`)
+                                     .join(',');
         try {
-            const deleteResult : any = await this.operator().delete({
+            const deleteResult : any = await this.operator()
+              .delete({
                  qs: {
                       labelSelector: matchQuery,
-                      propagationPolicy: "Background"
+                      propagationPolicy: 'Background'
                      }
             });
-            if(deleteResult.statusCode && deleteResult.statusCode >= 200 && deleteResult.statusCode <= 299) {
+            if (deleteResult.statusCode && deleteResult.statusCode >= 200 && deleteResult.statusCode <= 299) {
                 result = Promise.resolve(true);
             } else {
-                result = Promise.reject(`KubeflowOperatorClient, delete labels ${matchQuery} get wrong statusCode ${deleteResult.statusCode}`);
+                result = Promise.reject(
+                    `KubeflowOperatorClient, delete labels ${matchQuery} get wrong statusCode ${deleteResult.statusCode}`);
             }
-        } catch(err) {
+        } catch (err) {
             result = Promise.reject(err);
         }
 

src/nni_manager/training_service/kubernetes/kubernetesConfig.ts

@@ -22,6 +22,7 @@
 export type KubernetesStorageKind = 'nfs' | 'azureStorage';
 import { MethodNotImplementedError } from '../../common/errors';
 
+// tslint:disable: completed-docs function-name
 export abstract class KubernetesClusterConfig {
     public readonly storage?: KubernetesStorageKind;
     public readonly apiVersion: string;
@@ -31,7 +32,7 @@ export abstract class KubernetesClusterConfig {
         this.apiVersion = apiVersion;
     }
 
-    public get storageType(): KubernetesStorageKind{
+    public get storageType(): KubernetesStorageKind {
         throw new MethodNotImplementedError();
     }
 }
@@ -56,12 +57,13 @@ export class KubernetesClusterConfigNFS extends KubernetesClusterConfig {
         this.nfs = nfs;
     }
 
-    public get storageType(): KubernetesStorageKind{
+    public get storageType(): KubernetesStorageKind {
         return 'nfs';
     }
 
     public static getInstance(jsonObject: object): KubernetesClusterConfigNFS {
-        let kubernetesClusterConfigObjectNFS = <KubernetesClusterConfigNFS>jsonObject;
+        const kubernetesClusterConfigObjectNFS: KubernetesClusterConfigNFS = <KubernetesClusterConfigNFS>jsonObject;
+
         return new KubernetesClusterConfigNFS(
             kubernetesClusterConfigObjectNFS.apiVersion,
             kubernetesClusterConfigObjectNFS.nfs,
@@ -71,12 +73,12 @@ export class KubernetesClusterConfigNFS extends KubernetesClusterConfig {
 }
 
 export class KubernetesClusterConfigAzure extends KubernetesClusterConfig {
-    public readonly keyVault: keyVaultConfig;
+    public readonly keyVault: KeyVaultConfig;
     public readonly azureStorage: AzureStorage;
 
     constructor(
             apiVersion: string,
-            keyVault: keyVaultConfig, 
+            keyVault: KeyVaultConfig,
             azureStorage: AzureStorage,
             storage?: KubernetesStorageKind
         ) {
@@ -85,12 +87,13 @@ export class KubernetesClusterConfigAzure extends KubernetesClusterConfig {
         this.azureStorage = azureStorage;
     }
 
-    public get storageType(): KubernetesStorageKind{
+    public get storageType(): KubernetesStorageKind {
         return 'azureStorage';
     }
 
     public static getInstance(jsonObject: object): KubernetesClusterConfigAzure {
-        let kubernetesClusterConfigObjectAzure = <KubernetesClusterConfigAzure>jsonObject;
+        const kubernetesClusterConfigObjectAzure: KubernetesClusterConfigAzure = <KubernetesClusterConfigAzure>jsonObject;
+
         return new KubernetesClusterConfigAzure(
             kubernetesClusterConfigObjectAzure.apiVersion,
             kubernetesClusterConfigObjectAzure.keyVault,
@@ -100,27 +103,30 @@ export class KubernetesClusterConfigAzure extends KubernetesClusterConfig {
     }
 }
 
+// tslint:disable-next-line:no-unnecessary-class
 export class KubernetesClusterConfigFactory {
 
     public static generateKubernetesClusterConfig(jsonObject: object): KubernetesClusterConfig {
-         let storageConfig = <StorageConfig>jsonObject;
-         switch(storageConfig.storage) {
+         const storageConfig: StorageConfig = <StorageConfig>jsonObject;
+         switch (storageConfig.storage) {
             case 'azureStorage':
                 return KubernetesClusterConfigAzure.getInstance(jsonObject);
-            case  'nfs' || undefined :
+            case 'nfs':
+            case undefined:
                 return KubernetesClusterConfigNFS.getInstance(jsonObject);
-         }
+            default:
                 throw new Error(`Invalid json object ${jsonObject}`);
          }
+    }
 }
 
 /**
  * NFS configuration to store Kubeflow job related files
  */
 export class NFSConfig {
-    /** IP Adress of NFS server */
+    // IP Adress of NFS server
     public readonly server : string;
-    /** exported NFS path on NFS server */
+    // exported NFS path on NFS server
     public readonly path : string;
 
     constructor(server : string, path : string) {
@@ -133,13 +139,13 @@ export class NFSConfig {
  * KeyVault configuration to store the key of Azure Storage Service
  * Refer https://docs.microsoft.com/en-us/azure/key-vault/key-vault-manage-with-cli2
  */
-export class keyVaultConfig {
-    /**The vault-name to specify vault */
+export class KeyVaultConfig {
+    // The vault-name to specify vault
     public readonly vaultName : string;
-    /**The name to specify private key */
+    // The name to specify private key
     public readonly name : string;
 
-    constructor(vaultName : string, name : string){
+    constructor(vaultName : string, name : string) {
         this.vaultName = vaultName;
         this.name = name;
     }
@@ -149,12 +155,12 @@ export class keyVaultConfig {
  * Azure Storage Service
  */
 export class AzureStorage {
-    /**The azure share to storage files */
+    // The azure share to storage files
     public readonly azureShare : string;
 
-    /**The account name of sotrage service */
+    // The account name of sotrage service
     public readonly accountName: string;
-    constructor(azureShare : string, accountName: string){
+    constructor(azureShare : string, accountName: string) {
         this.azureShare = azureShare;
         this.accountName = accountName;
     }
@@ -164,19 +170,19 @@ export class AzureStorage {
  * Trial job configuration for Kubernetes
  */
 export class KubernetesTrialConfigTemplate {
-    /** CPU number */
+    // CPU number
     public readonly cpuNum: number;
 
-    /** Memory  */
+    // Memory
     public readonly memoryMB: number;
 
-    /** Docker image */
+    // Docker image
     public readonly image: string;
 
-    /** Trail command */
+    // Trail command
     public readonly command : string;
 
-    /** Required GPU number for trial job. The number should be in [0,100] */
+    // Required GPU number for trial job. The number should be in [0,100]
     public readonly gpuNum : number;
 
     constructor(command : string, gpuNum : number,

src/nni_manager/training_service/kubernetes/kubernetesData.ts

@@ -24,7 +24,6 @@ import { JobApplicationForm, TrialJobDetail, TrialJobStatus  } from '../../commo
 /**
  * KubeflowTrialJobDetail
  */
-// tslint:disable-next-line:max-classes-per-file
 export class KubernetesTrialJobDetail implements TrialJobDetail {
     public id: string;
     public status: TrialJobStatus;
@@ -55,7 +54,7 @@ export class KubernetesTrialJobDetail implements TrialJobDetail {
     }
 }
 
-export const KubernetesScriptFormat =
+export const kubernetesScriptFormat: string =
 `#!/bin/bash
 export NNI_PLATFORM={0}
 export NNI_SYS_DIR=$PWD/nni/{1}
@@ -71,5 +70,5 @@ mkdir -p $NNI_OUTPUT_DIR
 cp -rT $NNI_CODE_DIR $NNI_SYS_DIR
 cd $NNI_SYS_DIR
 sh install_nni.sh
-python3 -m nni_trial_tool.trial_keeper --trial_command '{8}' --nnimanager_ip {9} --nnimanager_port {10} --nni_manager_version '{11}' --log_collection '{12}'`
-+ `1>$NNI_OUTPUT_DIR/trialkeeper_stdout 2>$NNI_OUTPUT_DIR/trialkeeper_stderr`
+python3 -m nni_trial_tool.trial_keeper --trial_command '{8}' --nnimanager_ip {9} --nnimanager_port {10} \
+--nni_manager_version '{11}' --log_collection '{12}' 1>$NNI_OUTPUT_DIR/trialkeeper_stdout 2>$NNI_OUTPUT_DIR/trialkeeper_stderr`;

src/nni_manager/training_service/kubernetes/kubernetesJobInfoCollector.ts

@@ -20,11 +20,10 @@
 'use strict';
 
 import * as assert from 'assert';
+import { MethodNotImplementedError, NNIError, NNIErrorNames } from '../../common/errors';
 import { getLogger, Logger } from '../../common/log';
-import { NNIError, NNIErrorNames } from '../../common/errors';
 import { TrialJobStatus } from '../../common/trainingService';
 import { KubernetesCRDClient } from './kubernetesApiClient';
-import { MethodNotImplementedError } from '../../common/errors';
 import { KubernetesTrialJobDetail } from './kubernetesData';
 
 /**
@@ -43,15 +42,15 @@ export class KubernetesJobInfoCollector {
     public async retrieveTrialStatus(kubernetesCRDClient: KubernetesCRDClient | undefined) : Promise<void> {
         assert(kubernetesCRDClient !== undefined);
         const updateKubernetesTrialJobs : Promise<void>[] = [];
-        for(let [trialJobId, kubernetesTrialJob] of this.trialJobsMap) {
-            if (!kubernetesTrialJob) {
+        for (const [trialJobId, kubernetesTrialJob] of this.trialJobsMap) {
+            if (kubernetesTrialJob === undefined) {
                 throw new NNIError(NNIErrorNames.NOT_FOUND, `trial job id ${trialJobId} not found`);
             }
             // Since Kubeflow needs some delay to schedule jobs, we provide 20 seconds buffer time to check kubeflow job's status
-            if( Date.now() - kubernetesTrialJob.submitTime < 20 * 1000) {
+            if (Date.now() - kubernetesTrialJob.submitTime < 20 * 1000) {
                 return Promise.resolve();
             }
-            updateKubernetesTrialJobs.push(this.retrieveSingleTrialJobInfo(kubernetesCRDClient, kubernetesTrialJob))
+            updateKubernetesTrialJobs.push(this.retrieveSingleTrialJobInfo(kubernetesCRDClient, kubernetesTrialJob));
         }
 
         await Promise.all(updateKubernetesTrialJobs);

src/nni_manager/training_service/kubernetes/kubernetesJobRestServer.ts

@@ -19,19 +19,19 @@
 
 'use strict';
 
-import * as component from '../../common/component';
 import { Inject } from 'typescript-ioc';
+import * as component from '../../common/component';
+import { ClusterJobRestServer } from '../common/clusterJobRestServer';
 import { KubernetesTrainingService } from './kubernetesTrainingService';
-import { ClusterJobRestServer } from '../common/clusterJobRestServer'
 
 /**
  * Kubeflow Training service Rest server, provides rest API to support kubeflow job metrics update
  *
  */
 @component.Singleton
-export class KubernetesJobRestServer extends ClusterJobRestServer{
+export class KubernetesJobRestServer extends ClusterJobRestServer {
     @Inject
-    private kubernetesTrainingService? : KubernetesTrainingService;
+    private readonly kubernetesTrainingService? : KubernetesTrainingService;
 
     /**
      * constructor to provide NNIRestServer's own rest property, e.g. port
@@ -41,8 +41,9 @@ export class KubernetesJobRestServer extends ClusterJobRestServer{
         this.kubernetesTrainingService = kubernetesTrainingService;
     }
 
+    // tslint:disable-next-line:no-any
     protected handleTrialMetrics(jobId : string, metrics : any[]) : void {
-        if(!this.kubernetesTrainingService) {
+        if (this.kubernetesTrainingService === undefined) {
             throw Error('kubernetesTrainingService not initialized!');
         }
         // Split metrics array into single metric, then emit