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feat: onboard plugin integration service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| /* eslint-disable @typescript-eslint/no-unused-vars */ | ||
| /* eslint-disable @typescript-eslint/naming-convention */ | ||
| /* eslint-disable @typescript-eslint/no-shadow */ | ||
| /* eslint-disable no-restricted-syntax */ | ||
| import { | ||
| RudderStackEvent, | ||
| RudderStackEventPayload, | ||
| Integration, | ||
| Destination, | ||
| WorkflowType, | ||
| Metadata, | ||
| get, | ||
| } from '@rudderstack/integrations-lib'; | ||
| import { IntegrationsFactory } from '@rudderstack/integrations-store'; | ||
| import groupBy from 'lodash/groupBy'; | ||
| import { | ||
| ProcessorTransformationRequest, | ||
| RouterTransformationRequestData, | ||
| TransformedOutput, | ||
| } from '../types'; | ||
| import { generateErrorObject } from '../v0/util'; | ||
| import { MappedToDestinationKey } from '../constants'; | ||
|
|
||
| // error handling | ||
|
|
||
| export class PluginAdapter { | ||
| private static pluginCache: Map<string, Integration> = new Map(); | ||
|
|
||
| private static async getPlugin( | ||
| integrationName: string, | ||
| workflowType: WorkflowType, | ||
| ): Promise<Integration> { | ||
| const cacheKey = `${integrationName}_${workflowType}`; | ||
| if (this.pluginCache.has(cacheKey)) { | ||
| return this.pluginCache.get(cacheKey) as Integration; | ||
| } | ||
| // TODO: default integration config need to make it dynamic by making some sort of config call or get it from config file | ||
| // const integrationConfig: IntegrationConfig = { | ||
| // name: integrationName, | ||
| // saveResponse: true, | ||
| // eventOrdering: true, | ||
| // plugins: ['preprocessor', 'multiplexer'], | ||
| // }; | ||
|
|
||
| const integration = await IntegrationsFactory.createIntegration(integrationName, workflowType); | ||
| this.pluginCache.set(cacheKey, integration); | ||
| return integration; | ||
| } | ||
|
|
||
| public static async transformAtProcessor( | ||
| inputs: ProcessorTransformationRequest[], | ||
| integrationName: string, | ||
| ) { | ||
| const mappedToDestination = get(inputs[0].message, MappedToDestinationKey); | ||
| const workflowType = mappedToDestination ? WorkflowType.RETL : WorkflowType.STREAM; | ||
| const integrationPlugin = await PluginAdapter.getPlugin(integrationName, workflowType); | ||
|
|
||
| const groupedEventsByDestinationId = groupBy( | ||
| inputs, | ||
| (ev: ProcessorTransformationRequest) => ev.destination?.ID, | ||
| ); | ||
| const eventsPerDestinationId: ProcessorTransformationRequest[][] = Object.values( | ||
| groupedEventsByDestinationId, | ||
| ); | ||
|
|
||
| const result = await Promise.all( | ||
| eventsPerDestinationId.map(async (inputs) => { | ||
| const events = inputs.map((input) => ({ | ||
| event: [{ message: input.message as RudderStackEvent } as RudderStackEventPayload], | ||
| metadata: [input.metadata], | ||
| })); | ||
| const { destination } = inputs[0]; | ||
| const output = await integrationPlugin.execute(events, destination); | ||
| const responseList = output.resultContext; | ||
| const errors = output.errorResults; | ||
|
|
||
| const errorList: { metadata: Metadata; response: any; destination: Destination }[] = []; | ||
| // handle the error scenario | ||
| if (errors.length > 0) { | ||
| const nestedErrorList = errors.map((e) => { | ||
| const errResponses = e.metadata.map((metadata) => ({ | ||
| metadata, | ||
| response: generateErrorObject(e.error), // add further tags here | ||
| destination: e.destination, | ||
| })); | ||
| return errResponses; | ||
| }); | ||
| errorList.push(...nestedErrorList.flat()); | ||
| } | ||
|
|
||
| // handle the success scenario | ||
| const transformedPayloadList: { | ||
| payload: TransformedOutput; | ||
| metadata: Metadata; | ||
| destination: Destination; | ||
| }[] = []; | ||
| for (const [_, response] of responseList.entries()) { | ||
| for (const [index, payload] of response.payload.entries()) { | ||
| const transformedPayload = payload as TransformedOutput; | ||
| transformedPayloadList.push({ | ||
| payload: transformedPayload, | ||
| metadata: response.metadata[index], | ||
| destination, | ||
| }); | ||
| } | ||
| } | ||
| return { transformedPayloadList, errorList }; | ||
| }), | ||
| ); | ||
|
|
||
| const allSuccessList: { | ||
| payload: TransformedOutput; | ||
| metadata: Metadata; | ||
| destination: Destination; | ||
| }[] = result.flatMap((res) => res.transformedPayloadList); | ||
| const allErrorList: { metadata: Metadata; response: any; destination: Destination }[] = | ||
| result.flatMap((res) => res.errorList); | ||
|
|
||
| return { allSuccessList, allErrorList }; | ||
| } | ||
|
|
||
| public static async transformAtRouter( | ||
| inputs: RouterTransformationRequestData[], | ||
| integrationName: string, | ||
| ) { | ||
| const mappedToDestination = get(inputs[0].message, MappedToDestinationKey); | ||
| const workflowType = mappedToDestination ? WorkflowType.RETL : WorkflowType.STREAM; | ||
|
|
||
| const integrationPlugin = await PluginAdapter.getPlugin(integrationName, workflowType); | ||
| // group events by destinationId | ||
| // example: { destinationId1: [event1, event2], destinationId2: [event3, event4]} | ||
| const groupedEventsByDestinationId = groupBy( | ||
| inputs, | ||
| (ev: RouterTransformationRequestData) => ev.destination?.ID, | ||
| ); | ||
| // example: [[event1, event2], [event3, event4]] | ||
| const eventsPerDestinationId: RouterTransformationRequestData[][] = Object.values( | ||
| groupedEventsByDestinationId, | ||
| ); | ||
|
|
||
| const result = await Promise.all( | ||
| eventsPerDestinationId.map(async (inputs) => { | ||
| const input = inputs.map((input) => ({ | ||
| event: [{ message: input.message as RudderStackEvent } as RudderStackEventPayload], | ||
| metadata: [input.metadata], | ||
| })); | ||
|
|
||
| const { destination } = inputs[0]; | ||
|
|
||
| // calling the plugin and we can expect batched and multiplexed responses | ||
| // example: [ { payload: [event1, event2, event3], metadata: [metadata1, metadata2, metdata3] }, { payload: [event3, event4], metadata: [metadata3, metadata4] } ] | ||
|
|
||
| const output = await integrationPlugin.execute(input, destination); | ||
| const responseList = output.resultContext; | ||
| const errors = output.errorResults; | ||
|
|
||
| // handle error scenario | ||
| const errorList: { metadata: Metadata; response: any; destination: Destination }[] = []; | ||
| if (errors.length > 0) { | ||
| const nestedErrorList = errors.map((e) => { | ||
| const errResponses = e.metadata.map((metadata) => ({ | ||
| metadata, | ||
| response: generateErrorObject(e.error), // add further tags here | ||
| destination, | ||
| })); | ||
| return errResponses; | ||
| }); | ||
| errorList.push(...nestedErrorList.flat()); | ||
| } | ||
|
|
||
| // handle success scenraio | ||
| // ranking the responses based on the number of unique jobIds in the metadata array | ||
| const uniqueJobRank: { uniqueJobIds: number; index: number }[] = []; | ||
| for (const [index, response] of responseList.entries()) { | ||
| const uniqueJobIds = Array.from(new Set(response.metadata.map((meta) => meta.jobId))); | ||
| uniqueJobRank.push({ | ||
| uniqueJobIds: uniqueJobIds.length, | ||
| index, | ||
| }); | ||
| } | ||
| uniqueJobRank.sort((a, b) => b.uniqueJobIds - a.uniqueJobIds); | ||
| // ranking ends here with uniqueJobRank containing the index of the responseList in the order of the number of unique jobIds in the metadata array | ||
| // example: [ { uniqueJobIds: 3, index: 0 }, { uniqueJobIds: 2, index: 1 } ] | ||
|
|
||
| const finalResponse: { | ||
| payload: TransformedOutput[]; | ||
| metadata: Metadata[]; | ||
| destination: Destination; | ||
| }[] = []; | ||
| // creating a map of jobId to position in the metadata array | ||
| // example: { jobId1: 1, jobId2: 1, jobId3: 0, jobId4: 2} | ||
| // motivation: prevent metadata duplication in the final response at all levels | ||
| const jobIdPositionMap: Map<number, number> = new Map(); | ||
| for (const rank of uniqueJobRank) { | ||
| // iteratively checking payloads with the highest number of unique jobIds to lowest | ||
| const rankedResponse = responseList[rank.index]; | ||
| let isCurrentResponseAddedToFinalPayload = false; | ||
| // iterate each metadata in the rankedResponse to check if any jobId is already present in the finalResponse | ||
| for (const meta of rankedResponse.metadata) { | ||
| // check if the jobId already has a position in final response | ||
| if (jobIdPositionMap.has(meta.jobId)) { | ||
| // if yes, then we need append the entire rankedResponse including all the payloads and metadata at same position | ||
| const position = jobIdPositionMap.get(meta.jobId) as number; | ||
| const currentOutput = rankedResponse.payload.map( | ||
| (payload) => payload as TransformedOutput, | ||
| ); | ||
| finalResponse[position].payload.push(...currentOutput); | ||
| // push metdata to final response only if it is not already present | ||
| rankedResponse.metadata.forEach((meta) => { | ||
| // get all the exisitng jobIds in the metadata array at the position from the finalResponse | ||
| const jobIdsInResponse = finalResponse[position].metadata.map( | ||
| (fRmeta) => fRmeta.jobId, | ||
| ); | ||
| // check if the jobId is already present in the metadata array | ||
| if (!jobIdsInResponse.includes(meta.jobId)) { | ||
| finalResponse[position].metadata.push(meta); | ||
| } | ||
| }); | ||
| finalResponse[position].destination = destination; | ||
| isCurrentResponseAddedToFinalPayload = true; | ||
| // break the loop as we have already appended the entire rankedResponse to the finalResponse | ||
| break; | ||
| } | ||
| } | ||
| // if the current rankedResponse is not added to the finalResponse, then we need to add it as a new entry | ||
| if (!isCurrentResponseAddedToFinalPayload) { | ||
| finalResponse.push({ | ||
| payload: rankedResponse.payload.map((payload) => payload as TransformedOutput), | ||
| metadata: rankedResponse.metadata, | ||
| destination, | ||
| }); | ||
| // update the jobIdPositionMap for all the jobIds in the rankedResponse | ||
| rankedResponse.metadata.forEach((meta) => { | ||
| jobIdPositionMap.set(meta.jobId, finalResponse.length - 1); | ||
| }); | ||
| } | ||
| } | ||
| return { transformedPayloadList: finalResponse, errorList }; | ||
| }), | ||
| ); | ||
| const allSuccessList: { | ||
| payload: TransformedOutput[]; | ||
| metadata: Metadata[]; | ||
| destination: Destination; | ||
| }[] = result.flatMap((res) => res.transformedPayloadList); | ||
| const allErrorList: { metadata: Metadata; response: any; destination: Destination }[] = | ||
| result.flatMap((res) => res.errorList); | ||
|
|
||
| return { allSuccessList, allErrorList }; | ||
| } | ||
| } | ||
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