Support heterogeneous environment service (#3097)

ts/nni_manager/training_service/reusable/environments/openPaiEnvironmentService.ts

@@ -45,6 +45,10 @@ export class OpenPaiEnvironmentService extends EnvironmentService {
         return true;
     }
 
+    public get getName(): string {
+        return 'pai';
+    }
+
     public async config(key: string, value: string): Promise<void> {
         switch (key) {
             case TrialConfigMetadataKey.PAI_CLUSTER_CONFIG:

ts/nni_manager/training_service/reusable/environments/remoteEnvironmentService.ts

@@ -63,6 +63,10 @@ export class RemoteEnvironmentService extends EnvironmentService {
         return false;
     }
 
+    public get getName(): string {
+        return 'remote';
+    }
+
     public async config(key: string, value: string): Promise<void> {
         switch (key) {
             case TrialConfigMetadataKey.MACHINE_LIST:
@@ -135,6 +139,14 @@ export class RemoteEnvironmentService extends EnvironmentService {
         await executor.allowPermission(true, nniRootDir);
     }
 
+    public async refreshEnvironmentsStatus(environments: EnvironmentInformation[]): Promise<void> {	
+        const tasks: Promise<void>[] = [];	
+        environments.forEach(async (environment) => {	
+            tasks.push(this.refreshEnvironment(environment));	
+        });	
+        await Promise.all(tasks);	
+    }
+
     private async refreshEnvironment(environment: EnvironmentInformation): Promise<void> {
         const executor = await this.getExecutor(environment.id);
         const jobpidPath: string = `${environment.runnerWorkingFolder}/pid`;
@@ -176,14 +188,6 @@ export class RemoteEnvironmentService extends EnvironmentService {
         }
     }
 
-    public async refreshEnvironmentsStatus(environments: EnvironmentInformation[]): Promise<void> {
-        const tasks: Promise<void>[] = [];
-        environments.forEach(async (environment) => {
-            tasks.push(this.refreshEnvironment(environment));
-        });
-        await Promise.all(tasks);
-    }
-
     /**
      * If a environment is finished, release the connection resource
      * @param environment remote machine environment job detail

ts/nni_manager/training_service/reusable/heterogenous/heterogenousConfig.ts

+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+
+export class HeterogenousConfig {
+    public readonly trainingServicePlatforms: string[];
+    
+    constructor(trainingServicePlatforms: string[]) {
+        this.trainingServicePlatforms = trainingServicePlatforms;
+    }
+}

ts/nni_manager/training_service/reusable/routerTrainingService.ts

@@ -13,14 +13,11 @@ import { TrialConfigMetadataKey } from '../common/trialConfigMetadataKey';
 import { PAIClusterConfig } from '../pai/paiConfig';
 import { PAIK8STrainingService } from '../pai/paiK8S/paiK8STrainingService';
 import { RemoteMachineTrainingService } from '../remote_machine/remoteMachineTrainingService';
-import { EnvironmentService } from './environment';
-import { OpenPaiEnvironmentService } from './environments/openPaiEnvironmentService';
-import { AMLEnvironmentService } from './environments/amlEnvironmentService';
-import { RemoteEnvironmentService } from './environments/remoteEnvironmentService';
 import { MountedStorageService } from './storages/mountedStorageService';
 import { StorageService } from './storageService';
 import { TrialDispatcher } from './trialDispatcher';
 import { RemoteConfig } from './remote/remoteConfig';
+import { HeterogenousConfig } from './heterogenous/heterogenousConfig';
 
 
 /**
@@ -31,7 +28,6 @@ import { RemoteConfig } from './remote/remoteConfig';
 class RouterTrainingService implements TrainingService {
     protected readonly log!: Logger;
     private internalTrainingService: TrainingService | undefined;
-    private metaDataCache: Map<string, string> = new Map<string, string>();
 
     constructor() {
         this.log = getLogger();
@@ -99,75 +95,70 @@ class RouterTrainingService implements TrainingService {
 
     public async setClusterMetadata(key: string, value: string): Promise<void> {
         if (this.internalTrainingService === undefined) {
-            if (key === TrialConfigMetadataKey.PAI_CLUSTER_CONFIG) {
+            // Need to refactor configuration, remove heterogeneous_config field in the future
+            if (key === TrialConfigMetadataKey.HETEROGENEOUS_CONFIG){
+                this.internalTrainingService = component.get(TrialDispatcher);
+                const heterogenousConfig: HeterogenousConfig = <HeterogenousConfig>JSON.parse(value);
+                if (this.internalTrainingService === undefined) {
+                    throw new Error("internalTrainingService not initialized!");
+                }
+                // Initialize storageService for pai, only support singleton for now, need refactor
+                if (heterogenousConfig.trainingServicePlatforms.includes('pai')) {
+                    Container.bind(StorageService)
+                    .to(MountedStorageService)
+                    .scope(Scope.Singleton);
+                }
+                await this.internalTrainingService.setClusterMetadata('platform_list', 
+                    heterogenousConfig.trainingServicePlatforms.join(','));
+            } else if (key === TrialConfigMetadataKey.LOCAL_CONFIG) {
+                this.internalTrainingService = component.get(TrialDispatcher);
+                if (this.internalTrainingService === undefined) {
+                    throw new Error("internalTrainingService not initialized!");
+                }
+                await this.internalTrainingService.setClusterMetadata('platform_list', 'local');
+            } else if (key === TrialConfigMetadataKey.PAI_CLUSTER_CONFIG) {
                 const config = <PAIClusterConfig>JSON.parse(value);
                 if (config.reuse === true) {
                     this.log.info(`reuse flag enabled, use EnvironmentManager.`);
                     this.internalTrainingService = component.get(TrialDispatcher);
-
-                    // TODO to support other serivces later.
-                    Container.bind(EnvironmentService)
-                        .to(OpenPaiEnvironmentService)
-                        .scope(Scope.Singleton);
                     // TODO to support other storages later.
                     Container.bind(StorageService)
                         .to(MountedStorageService)
                         .scope(Scope.Singleton);
+                    if (this.internalTrainingService === undefined) {
+                        throw new Error("internalTrainingService not initialized!");
+                    }
+                    await this.internalTrainingService.setClusterMetadata('platform_list', 'pai');
                 } else {
                     this.log.debug(`caching metadata key:{} value:{}, as training service is not determined.`);
                     this.internalTrainingService = component.get(PAIK8STrainingService);
                 }
-                for (const [key, value] of this.metaDataCache) {
-                    if (this.internalTrainingService === undefined) {
-                        throw new Error("TrainingService is not assigned!");
-                    }
-                    await this.internalTrainingService.setClusterMetadata(key, value);
-                }
-
-                if (this.internalTrainingService === undefined) {
-                    throw new Error("TrainingService is not assigned!");
-                }
-                await this.internalTrainingService.setClusterMetadata(key, value);
-
-                this.metaDataCache.clear();
             } else if (key === TrialConfigMetadataKey.AML_CLUSTER_CONFIG) {
                 this.internalTrainingService = component.get(TrialDispatcher);
-
-                Container.bind(EnvironmentService)
-                    .to(AMLEnvironmentService)
-                    .scope(Scope.Singleton);
-                for (const [key, value] of this.metaDataCache) {
-                    if (this.internalTrainingService === undefined) {
-                        throw new Error("TrainingService is not assigned!");
-                    }
-                    await this.internalTrainingService.setClusterMetadata(key, value);
-                }
-
                 if (this.internalTrainingService === undefined) {
-                    throw new Error("TrainingService is not assigned!");
+                    throw new Error("internalTrainingService not initialized!");
                 }
-                await this.internalTrainingService.setClusterMetadata(key, value);
-
-                this.metaDataCache.clear();
+                await this.internalTrainingService.setClusterMetadata('platform_list', 'aml');
             } else if (key === TrialConfigMetadataKey.REMOTE_CONFIG) {
                 const config = <RemoteConfig>JSON.parse(value);
                 if (config.reuse === true) {
                     this.log.info(`reuse flag enabled, use EnvironmentManager.`);
                     this.internalTrainingService = component.get(TrialDispatcher);
-                    Container.bind(EnvironmentService)
-                        .to(RemoteEnvironmentService)
-                        .scope(Scope.Singleton);
+                    if (this.internalTrainingService === undefined) {
+                        throw new Error("internalTrainingService not initialized!");
+                    }
+                    await this.internalTrainingService.setClusterMetadata('platform_list', 'remote');
                 } else {
                     this.log.debug(`caching metadata key:{} value:{}, as training service is not determined.`);
                     this.internalTrainingService = component.get(RemoteMachineTrainingService);
                 }
-            } else {
-                this.log.debug(`caching metadata key:{} value:{}, as training service is not determined.`);
-                this.metaDataCache.set(key, value);
             }
-        } else {
-            await this.internalTrainingService.setClusterMetadata(key, value);
         }
+        if (this.internalTrainingService === undefined) {
+            throw new Error("internalTrainingService not initialized!");
+        }
+        await this.internalTrainingService.setClusterMetadata(key, value);
+        
     }
 
     public async getClusterMetadata(key: string): Promise<string> {

ts/nni_manager/training_service/reusable/test/trialDispatcher.test.ts

@@ -3,15 +3,13 @@
 
 import * as chai from 'chai';
 import * as path from 'path';
-import { Scope } from "typescript-ioc";
-import * as component from '../../../common/component';
 import { getLogger, Logger } from "../../../common/log";
 import { TrialJobApplicationForm, TrialJobStatus } from '../../../common/trainingService';
 import { cleanupUnitTest, delay, prepareUnitTest, uniqueString } from '../../../common/utils';
 import { INITIALIZED, KILL_TRIAL_JOB, NEW_TRIAL_JOB, SEND_TRIAL_JOB_PARAMETER, TRIAL_END, GPU_INFO } from '../../../core/commands';
 import { TrialConfigMetadataKey } from '../../../training_service/common/trialConfigMetadataKey';
-import { Command } from '../commandChannel';
-import { EnvironmentInformation, EnvironmentService } from "../environment";
+import { Command, CommandChannel } from '../commandChannel';
+import { Channel, EnvironmentInformation, EnvironmentService } from "../environment";
 import { TrialDetail } from '../trial';
 import { TrialDispatcher } from "../trialDispatcher";
 import { UtCommandChannel } from './utCommandChannel';
@@ -54,7 +52,7 @@ async function waitResult<TResult>(callback: () => Promise<TResult | undefined>,
     return undefined;
 }
 
-async function waitResultMust<TResult>(callback: () => Promise<TResult | undefined>, waitMs: number = 1000, interval: number = 1): Promise<TResult> {
+async function waitResultMust<TResult>(callback: () => Promise<TResult | undefined>, waitMs: number = 10000, interval: number = 1): Promise<TResult> {
     const result = await waitResult(callback, waitMs, interval, true);
     // this error should be thrown in waitResult already.
     if (result === undefined) {
@@ -201,16 +199,21 @@ describe('Unit Test for TrialDispatcher', () => {
             nniManagerIp: "127.0.0.1",
         }
         trialDispatcher = new TrialDispatcher();
-        component.Container.bind(EnvironmentService)
-            .to(UtEnvironmentService)
-            .scope(Scope.Singleton);
 
         await trialDispatcher.setClusterMetadata(TrialConfigMetadataKey.TRIAL_CONFIG, JSON.stringify(trialConfig));
         await trialDispatcher.setClusterMetadata(TrialConfigMetadataKey.NNI_MANAGER_IP, JSON.stringify(nniManagerIpConfig));
-        trialRunPromise = trialDispatcher.run();
+        // set ut environment
+        let environmentServiceList: EnvironmentService[] = [];
+        environmentService = new UtEnvironmentService();
+        environmentServiceList.push(environmentService);
+        trialDispatcher.environmentServiceList = environmentServiceList;
+        // set ut command channel
+        environmentService.initCommandChannel(trialDispatcher.commandEmitter);
+        commandChannel = environmentService.getCommandChannel as UtCommandChannel;
+        trialDispatcher.commandChannelSet = new Set<CommandChannel>().add(environmentService.getCommandChannel);
+        trialDispatcher.environmentMaintenceLoopInterval = 1000;
 
-        environmentService = component.get(EnvironmentService) as UtEnvironmentService;
-        commandChannel = environmentService.testGetCommandChannel();
+        trialRunPromise = trialDispatcher.run();
     });
 
     afterEach(async () => {
@@ -258,9 +261,6 @@ describe('Unit Test for TrialDispatcher', () => {
         await waitEnvironment(2, previousEnvironments, environmentService, commandChannel);
         await verifyTrialRunning(commandChannel, trialDetail);
         await verifyTrialResult(commandChannel, trialDetail, -1);
-        await waitResultMust<true>(async () => {
-            return environment.status === 'USER_CANCELED' ? true : undefined;
-        });
 
         chai.assert.equal(environmentService.testGetEnvironments().size, 2, "as env not reused, so only 2 envs should be here.");
         const trials = await trialDispatcher.listTrialJobs();
@@ -433,12 +433,10 @@ describe('Unit Test for TrialDispatcher', () => {
         let environment = await waitEnvironment(1, previousEnvironments, environmentService, commandChannel);
         await verifyTrialRunning(commandChannel, trialDetail);
         await verifyTrialResult(commandChannel, trialDetail, 0);
-
         environmentService.testSetEnvironmentStatus(environment, 'SUCCEEDED');
         await waitResultMust<boolean>(async () => {
             return environment.status === 'SUCCEEDED' ? true : undefined;
         });
-
         trialDetail = await newTrial(trialDispatcher);
         await waitEnvironment(2, previousEnvironments, environmentService, commandChannel);
         await verifyTrialRunning(commandChannel, trialDetail);

ts/nni_manager/training_service/reusable/test/utEnvironmentService.ts

 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-import { EnvironmentInformation, EnvironmentService, EnvironmentStatus } from "../environment";
-import { EventEmitter } from "events";
-import { CommandChannel } from "../commandChannel";
+import { Channel, EnvironmentInformation, EnvironmentService, EnvironmentStatus } from "../environment";
+import { EventEmitter } from 'events';
 import { UtCommandChannel } from "./utCommandChannel";
 
 export class UtEnvironmentService extends EnvironmentService {
-    private commandChannel: UtCommandChannel | undefined;
     private allEnvironments = new Map<string, EnvironmentInformation>();
     private hasMoreEnvironmentsInternal = true;
 
@@ -23,6 +21,14 @@ export class UtEnvironmentService extends EnvironmentService {
         return 1;
     }
 
+    public get getName(): string {
+        return 'ut';
+    }
+
+    public initCommandChannel(eventEmitter: EventEmitter): void {
+        this.commandChannel = new UtCommandChannel(eventEmitter);
+    }
+
     public testSetEnvironmentStatus(environment: EnvironmentInformation, newStatus: EnvironmentStatus): void {
         environment.status = newStatus;
     }
@@ -35,13 +41,6 @@ export class UtEnvironmentService extends EnvironmentService {
         return this.allEnvironments;
     }
 
-    public testGetCommandChannel(): UtCommandChannel {
-        if (this.commandChannel === undefined) {
-            throw new Error(`command channel shouldn't be undefined.`);
-        }
-        return this.commandChannel;
-    }
-
     public testSetNoMoreEnvironment(hasMore: boolean): void {
         this.hasMoreEnvironmentsInternal = hasMore;
     }
@@ -50,11 +49,6 @@ export class UtEnvironmentService extends EnvironmentService {
         return this.hasMoreEnvironmentsInternal;
     }
 
-    public createCommandChannel(commandEmitter: EventEmitter): CommandChannel {
-        this.commandChannel = new UtCommandChannel(commandEmitter)
-        return this.commandChannel;
-    }
-
     public async config(_key: string, _value: string): Promise<void> {
         // do nothing
     }