diff --git a/benchkit/Dockerfile b/benchkit/Dockerfile new file mode 100644 index 000000000..08e1510fd --- /dev/null +++ b/benchkit/Dockerfile @@ -0,0 +1,60 @@ +FROM ubuntu:20.04 + +ARG NODE_VERSION=16 +ENV DEBIAN_FRONTEND=noninteractive +ENV NODE_OPTIONS --max_old_space_size=4096 --use-openssl-ca + +# Configuring NodeJS version +RUN apt-get clean + +RUN apt-get update && \ + apt-get upgrade -y && \ + apt-get install -y curl + +RUN curl -sL https://deb.nodesource.com/setup_${NODE_VERSION:=10}.x | sh + +RUN apt-get update && \ + apt-get upgrade -y && \ + apt-get install -y \ + git \ + curl \ + python3 \ + nodejs \ + firefox \ + wget \ + nodejs \ + unzip \ + && rm -rf /var/lib/apt/lists/* + +RUN /bin/bash -c "hash -d npm" + +# Enable tls v1.0 +RUN echo "openssl_conf = openssl_configuration\n"|cat - /etc/ssl/openssl.cnf > /tmp/openssl_conf.cnf \ + && mv /tmp/openssl_conf.cnf /etc/ssl/openssl.cnf +RUN echo "[openssl_configuration]\n\ +ssl_conf = ssl_configuration\n\ +[ssl_configuration]\n\ +system_default = tls_system_default\n\ +[tls_system_default]\n\ +CipherString = DEFAULT:@SECLEVEL=1" >> /etc/ssl/openssl.cnf + +RUN update-ca-certificates --verbose + +RUN useradd -m driver && echo "driver:driver" | chpasswd && adduser driver sudo +VOLUME /driver +RUN chown -Rh driver:driver /home/driver + +USER driver +WORKDIR /home/driver +CMD /bin/bash +RUN mkdir /home/driver/.npm_global +RUN npm config set prefix /home/driver/.npm_global + +# Build stuff +ADD --chown=driver:driver . /home/driver + +RUN ls -lf .. +RUN npm ci +RUN npm run build + +CMD ["npm", "run", "start-benchkit-backend"] \ No newline at end of file diff --git a/package.json b/package.json index 63293b227..15e9c4010 100644 --- a/package.json +++ b/package.json @@ -54,15 +54,17 @@ "stop-neo4j": "lerna run stop-neo4j --scope neo4j-driver", "start-testkit-backend": "lerna run start --scope testkit-backend --stream", "start-testkit-backend::deno": "lerna run start::deno --scope testkit-backend --stream", + "start-benchkit-backend": "lerna run start --scope benchkit-backend --stream", "lerna": "lerna", "prepare": "husky install", "lint-staged": "lint-staged", - "lint": "npm run lint::core && npm run lint::bolt-connection && npm run lint::bolt-connection && npm run lint::neo4j-driver-lite && npm run lint::neo4j-driver && npm run lint::testkit-backend", + "lint": "npm run lint::core && npm run lint::bolt-connection && npm run lint::bolt-connection && npm run lint::neo4j-driver-lite && npm run lint::neo4j-driver && npm run lint::testkit-backend && npm run lint::benchkit-backend", "lint::core": "npm run ts-standard::core -- packages/core/src/ && npm run ts-standard::core -- packages/core/test/", "lint::bolt-connection": "npm run ts-standard::bolt-connection -- packages/bolt-connection/types/ && npm run standard -- packages/bolt-connection/src/ && npm run standard -- packages/bolt-connection/test/", "lint::neo4j-driver-lite": "npm run ts-standard::neo4j-driver-lite -- packages/neo4j-driver-lite/src/ && npm run ts-standard::neo4j-driver-lite -- packages/neo4j-driver-lite/test/", "lint::neo4j-driver": "npm run ts-standard::neo4j-driver -- packages/neo4j-driver/types/ && npm run ts-standard::neo4j-driver -- packages/neo4j-driver/test/types/ && npm run standard -- packages/neo4j-driver/src/ && npm run standard -- packages/neo4j-driver/test/**/*.js", "lint::testkit-backend": "npm run standard -- packages/testkit-backend/src/**/*.js", + "lint::benchkit-backend": "npm run standard -- packages/benchkit-backend/src/**/*.js", "ts-standard": "npm run ts-standard::core && npm run ts-standard::bolt-connection && npm run ts-standard::neo4j-driver-lite && npm run ts-standard::neo4j-driver", "ts-standard::core": "ts-standard --fix --project ./packages/core/tsconfig.json", "ts-standard::bolt-connection": "ts-standard --fix --project ./packages/bolt-connection/tsconfig.json", diff --git a/packages/benchkit-backend/package-lock.json 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"bugs": { + "url": "https://github.com/neo4j/neo4j-javascript-driver/issues" + }, + "homepage": "https://github.com/neo4j/neo4j-javascript-driver#readme", + "dependencies": { + "express": "^4.18.2", + "http-status-codes": "^2.3.0", + "neo4j-driver": "5.0.0-dev" + } +} \ No newline at end of file diff --git a/packages/benchkit-backend/resources/create.requests.http b/packages/benchkit-backend/resources/create.requests.http new file mode 100644 index 000000000..e01e956c5 --- /dev/null +++ b/packages/benchkit-backend/resources/create.requests.http @@ -0,0 +1,42 @@ +### Single query with default params +POST http://localhost:8080/workload/ +Content-Type: application/json + +{ + "queries": [{ + "text": "RETURN 1" + }] +} + +#### Executing +GET http://localhost:8080/workload/0 + + +### Updating +PATCH http://localhost:8080/workload/0 +Content-Type: application/json + +{ + "database": "neo4j", + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN 1" + }, + { + "text": "RETURN 1" + }, + { + "text": "RETURN 1" + }] +} + + +#### Executing +GET http://localhost:8080/workload/0 + + +#### Deleting +DELETE http://localhost:8080/workload/0 + +#### Health probe endpoint +GET http://localhost:9000/ready \ No newline at end of file diff --git a/packages/benchkit-backend/resources/execute.requests.http b/packages/benchkit-backend/resources/execute.requests.http new file mode 100644 index 000000000..b845d2052 --- /dev/null +++ b/packages/benchkit-backend/resources/execute.requests.http @@ -0,0 +1,376 @@ +### Single query with default params +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "queries": [{ + "text": "RETURN 1" + }] +} + +### Mutiple queries with default params +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "queries": [{ + "text": "RETURN 1" + }, + { + "text": "RETURN 1" + }, + { + "text": "RETURN 1" + }] +} + +### Mutiple queries in sequence with params +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "mode": "sequentialSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing READ +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "read", + "mode": "sequentialSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing WRITE +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "mode": "sequentialQueries", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing WRITE using executeQuery +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeQuery", + "mode": "sequentialSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in parallel params in db neo4j +### and routing WRITE using executeQuery +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeQuery", + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing WRITE using sessionRun +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "sessionRun", + "mode": "sequentialQueries", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in parallel params in db neo4j +### and routing WRITE using sessionRun +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "sessionRun", + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing WRITE using executeWrite +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeWrite", + "mode": "sequentialSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in parallel params in db neo4j +### and routing WRITE using executeWrite +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeWrite", + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in sequence params in db neo4j +### and routing WRITE using executeRead +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeRead", + "mode": "sequentialQueries", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} + +### Mutiple queries with in parallel params in db neo4j +### and routing WRITE using executeRead +PUT http://localhost:8080/workload/ +Content-Type: application/json + +{ + "database": "neo4j", + "routing": "write", + "method": "executeRead", + "mode": "parallelSessions", + "queries": [{ + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }, + { + "text": "RETURN $a", + "parameters": { + "a": 1 + } + }] +} \ No newline at end of file diff --git a/packages/benchkit-backend/src/config.js b/packages/benchkit-backend/src/config.js new file mode 100644 index 000000000..a29362b80 --- /dev/null +++ b/packages/benchkit-backend/src/config.js @@ -0,0 +1,11 @@ +export default { + backendPort: process.env.TEST_BACKEND_PORT || 9000, + username: process.env.TEST_NEO4J_USER || 'neo4j', + password: process.env.TEST_NEO4J_PASS || 'password', + hostname: process.env.TEST_NEO4J_HOST || 'localhost', + scheme: process.env.TEST_NEO4J_SCHEME || 'neo4j', + boltPort: process.env.TEST_NEO4J_BOLT_PORT || 7687, + logLevel: process.env.TEST_NEO4J_LOG_LEVEL, + workloadRoute: '/workload', + readyRoute: '/ready' +} diff --git a/packages/benchkit-backend/src/error.js b/packages/benchkit-backend/src/error.js new file mode 100644 index 000000000..c30983781 --- /dev/null +++ b/packages/benchkit-backend/src/error.js @@ -0,0 +1,15 @@ +import { StatusCodes } from 'http-status-codes' + +export class BadRequestError extends Error { + constructor (message) { + super(message) + this.statusCode = StatusCodes.BAD_REQUEST + } +} + +export class NotFoundError extends Error { + constructor (message) { + super(message) + this.statusCode = StatusCodes.NOT_FOUND + } +} diff --git a/packages/benchkit-backend/src/index.js b/packages/benchkit-backend/src/index.js new file mode 100644 index 000000000..7043e9eff --- /dev/null +++ b/packages/benchkit-backend/src/index.js @@ -0,0 +1,35 @@ +import express from 'express' +import config from './config' +import neo4j from 'neo4j-driver' +import WorkloadExecutor from './workload.executor' +import WorkloadRouter from './workload.router' +import ReadyRouter from './ready.router' + +const neo4jUrl = `${config.scheme}://${config.hostname}:${config.boltPort}` +const driver = neo4j.driver(neo4jUrl, neo4j.auth.basic(config.username, config.password), { + logging: config.logLevel != null ? neo4j.logging.console(config.logLevel) : undefined +}) +const executor = WorkloadExecutor(driver) + +const server = express() + .disable('x-powered-by') + .use(express.json({ + type: 'application/json' + })) + .use(config.workloadRoute, WorkloadRouter(executor.execute, config.workloadRoute)) + .use(config.readyRoute, ReadyRouter(() => driver.verifyConnectivity())) + .use((err, _req, res, _) => { + console.log(err) + res.status(err.status || 500).end() + }) + .listen(config.backendPort, () => { + console.log(`index.js:${process.pid}:Listening on ${config.backendPort}`) + }) + +process.on('SIGTERM', () => { + console.debug('SIGTERM signal received: closing HTTP server') + server.close(() => { + driver.close() + .catch((error) => console.err('Error closing the driver', error)) + }) +}) diff --git a/packages/benchkit-backend/src/ready.router.js b/packages/benchkit-backend/src/ready.router.js new file mode 100644 index 000000000..d0ee17145 --- /dev/null +++ b/packages/benchkit-backend/src/ready.router.js @@ -0,0 +1,19 @@ +import { Router } from 'express' +import { StatusCodes } from 'http-status-codes' + +export default function ReadyRouter (executeHealthCheck) { + const router = Router() + + router.get('/', (_, res) => { + executeHealthCheck() + .then(() => res.status(StatusCodes.OK).end()) + .catch(error => { + console.error(error) + res.status(StatusCodes.INTERNAL_SERVER_ERROR) + .send(error.message) + .end() + }) + }) + + return router +} diff --git a/packages/benchkit-backend/src/workload.executor.js b/packages/benchkit-backend/src/workload.executor.js new file mode 100644 index 000000000..4474b1550 --- /dev/null +++ b/packages/benchkit-backend/src/workload.executor.js @@ -0,0 +1,173 @@ +import { BadRequestError } from './error' + +async function executeSequential (queries, exec) { + for (const query of queries) { + await exec(query) + } +} + +async function executeParallel (queries, exec) { + return await Promise.all(queries.map(exec)) +} + +function executeQuery (executor) { + return async (driver, workload) => await executor(workload.queries, (query) => { + return driver.executeQuery(query.text, query.parameters, { + database: workload.database, + routing: workload.routing + }) + }) +} + +function sessionRunPerSession (executor) { + return async (driver, workload) => { + return await executor(workload.queries, async (query) => { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + + try { + return await session.run(query.text, query.parameters) + } finally { + await session.close() + } + }) + } +} + +async function sessionRunSequentialTransactions (driver, workload) { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + + try { + return await executeSequential(workload.queries, async (query) => session.run(query.text, query.parameters)) + } finally { + await session.close() + } +} + +function executeReadPerSession (executor) { + return async (driver, workload) => { + return await executor(workload.queries, async (query) => { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await session.executeRead(async tx => { + return tx.run(query.text, query.parameters) + }) + } finally { + await session.close() + } + }) + } +} + +async function executeReadSequentialTransactions (driver, workload) { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await executeSequential(workload.queries, async (query) => { + await session.executeRead(async tx => { + return tx.run(query.text, query.parameters) + }) + }) + } finally { + await session.close() + } +} + +async function executeReadSequentialQueries (driver, workload) { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await session.executeRead(async tx => { + await executeSequential(workload.queries, async (query) => { + return tx.run(query.text, query.parameters) + }) + }) + } finally { + await session.close() + } +} + +function executeWritePerSession (executor) { + return async (driver, workload) => { + return await executor(workload.queries, async (query) => { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await session.executeWrite(async tx => { + return tx.run(query.text, query.parameters) + }) + } finally { + await session.close() + } + }) + } +} + +async function executeWriteSequentialTransactions (driver, workload) { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await executeSequential(workload.queries, async (query) => { + await session.executeWrite(async tx => { + return tx.run(query.text, query.parameters) + }) + }) + } finally { + await session.close() + } +} + +async function executeWriteSequentialQueries (driver, workload) { + const session = driver.session({ database: workload.database, defaultAccessMode: workload.routing }) + try { + await session.executeWrite(async tx => { + await executeSequential(workload.queries, async (query) => { + return tx.run(query.text, query.parameters) + }) + }) + } finally { + await session.close() + } +} + +async function throwBadRequest () { + throw new BadRequestError('Workload executor method not available') +} + +function throwExecutorMethodNotAvailable () { + return { + sequentialSessions: throwBadRequest, + sequentialTransactions: throwBadRequest, + sequentialQueries: throwBadRequest, + parallelSessions: throwBadRequest + } +} + +const workloadExecutorsByMethodByMode = { + executeQuery: { + sequentialSessions: executeQuery(executeSequential), + parallelSessions: executeQuery(executeParallel) + }, + executeRead: { + sequentialSessions: executeReadPerSession(executeSequential), + sequentialTransactions: executeReadSequentialTransactions, + sequentialQueries: executeReadSequentialQueries, + parallelSessions: executeReadPerSession(executeParallel) + }, + executeWrite: { + sequentialSessions: executeWritePerSession(executeSequential), + sequentialTransactions: executeWriteSequentialTransactions, + sequentialQueries: executeWriteSequentialQueries, + parallelSessions: executeWritePerSession(executeParallel) + }, + sessionRun: { + sequentialSessions: sessionRunPerSession(executeSequential), + sequentialTransactions: sessionRunSequentialTransactions, + parallelSessions: sessionRunPerSession(executeParallel) + } +} + +export default function WorkloadExecutor (driver) { + return { + execute (workload) { + const workloadExecutorsByMode = workloadExecutorsByMethodByMode[workload.method] || throwExecutorMethodNotAvailable + const executor = workloadExecutorsByMode[workload.mode] || throwBadRequest + return executor(driver, workload) + } + } +} diff --git a/packages/benchkit-backend/src/workload.router.js b/packages/benchkit-backend/src/workload.router.js new file mode 100644 index 000000000..694d98c24 --- /dev/null +++ b/packages/benchkit-backend/src/workload.router.js @@ -0,0 +1,58 @@ +import { Router } from 'express' +import { validate } from './workload.validator' +import { StatusCodes } from 'http-status-codes' +import WorkloadStore from './workload.store' + +export default function WorkloadRouter (executeWorkload, baseRoute) { + const router = Router() + const store = WorkloadStore() + + router.put('/', (req, res) => { + validate(req.body) + .then(executeWorkload) + .then(() => res.status(StatusCodes.NO_CONTENT).end()) + .catch(ErrorHandler(res)) + }) + + router.post('/', (req, res) => { + validate(req.body) + .then(store.create) + .then(id => res + .status(StatusCodes.CREATED) + .location(`${baseRoute}/${id}`) + .end()) + .catch(ErrorHandler(res)) + }) + + router.get('/:id', (req, res) => { + Promise.resolve(req.params.id) + .then(store.get) + .then(executeWorkload) + .then(() => res.status(StatusCodes.NO_CONTENT).end()) + .catch(ErrorHandler(res)) + }) + + router.patch('/:id', (req, res) => { + Promise.resolve(req.params.id) + .then(id => store.patchValidated(id, req.body, validate)) + .then(() => res.end()) + .catch(ErrorHandler(res)) + }) + + router.delete('/:id', (req, res) => { + Promise.resolve(req.params.id) + .then(store.delete) + .then(() => res.status(StatusCodes.NO_CONTENT).end()) + .catch(ErrorHandler(res)) + }) + + function ErrorHandler (res) { + return function (error) { + res.status(error.statusCode || StatusCodes.INTERNAL_SERVER_ERROR) + .send(error.message) + .end() + } + } + + return router +} diff --git a/packages/benchkit-backend/src/workload.store.js b/packages/benchkit-backend/src/workload.store.js new file mode 100644 index 000000000..23efecad8 --- /dev/null +++ b/packages/benchkit-backend/src/workload.store.js @@ -0,0 +1,42 @@ +import { NotFoundError } from './error' + +export default function WorkloadStore () { + let index = 0 + const map = new Map() + + return { + create (workload) { + const key = index.toString() + index++ + map.set(key, workload) + return key + }, + patchValidated (key, patch, validate) { + if (!map.has(key)) { + throw new NotFoundError(`workload ${key} doesn't exist.`) + } + + const patched = { + ...map.get(key), + ...patch + } + + return validate(patched).then(p => { + map.set(key, patched) + }) + }, + get (key) { + if (!map.has(key)) { + throw new NotFoundError(`workload ${key} doesn't exist.`) + } + + return map.get(key) + }, + delete (key) { + if (!map.has(key)) { + throw new NotFoundError(`workload ${key} doesn't exist.`) + } + map.delete(key) + } + } +} diff --git a/packages/benchkit-backend/src/workload.validator.js b/packages/benchkit-backend/src/workload.validator.js new file mode 100644 index 000000000..745ee5a55 --- /dev/null +++ b/packages/benchkit-backend/src/workload.validator.js @@ -0,0 +1,41 @@ +import { BadRequestError } from './error' + +const EXPECTED_MODES = ['sequentialSessions', 'sequentialTransactions', 'sequentialQueries', 'parallelSessions'] +const EXPECTED_METHODS = ['executeQuery', 'executeRead', 'executeWrite', 'sessionRun'] + +const EXPECTED_MODES_STR = JSON.stringify(EXPECTED_MODES) +const EXPECTED_METHODS_STR = JSON.stringify(EXPECTED_METHODS) + +export async function validate (workload) { + // Defaults + workload.method = workload.method || 'executeQuery' + workload.mode = workload.mode || 'sequentialSessions' + workload.routing = workload.routing || 'write' + + // Validation + if (workload.queries == null || workload.queries.length === 0) { + throw new BadRequestError('workload.queries should be a list with at least 1 item.') + } + + if (!EXPECTED_METHODS.includes(workload.method)) { + throw new BadRequestError(`workload.method="${workload.method}" is not a valid value. Expected: ${EXPECTED_METHODS_STR}`) + } + + if (!EXPECTED_MODES.includes(workload.mode)) { + throw new BadRequestError(`workload.mode="${workload.mode}" is not a valid value. Expected: ${EXPECTED_MODES_STR}`) + } + + if ((workload.mode === 'sequentialTransactions' && workload.method === 'executeQuery') || + (workload.mode === 'sequentialQueries' && (workload.method === 'executeQuery' || workload.method === 'sessionRun'))) { + throw new BadRequestError(`workload.mode="${workload.mode}" cannot be used with workload.method="${workload.method}"`) + } + + if (workload.routing !== 'read' && workload.routing !== 'write') { + throw new BadRequestError(`workload.routing="${workload.routing}" but expected "read" or "write"`) + } + + // Sanitization + workload.routing = workload.routing.toUpperCase() + + return workload +}