test: Add scaling n8n setup (multi-main) (#10644)

This commit is contained in:
Tomi Turtiainen 2024-09-09 09:07:32 +03:00 committed by GitHub
parent 6ea0856085
commit b18313f219
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
8 changed files with 266 additions and 8 deletions

View file

@ -38,11 +38,12 @@ services:
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n/worker1
- N8N_ENCRYPTION_KEY=very-secret-encryption-key
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
# Queue mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_HEALTH_CHECK_ACTIVE=true
- N8N_CONCURRENCY_PRODUCTION_LIMIT=10
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
@ -67,11 +68,12 @@ services:
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n/worker2
- N8N_ENCRYPTION_KEY=very-secret-encryption-key
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
# Queue mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_HEALTH_CHECK_ACTIVE=true
- N8N_CONCURRENCY_PRODUCTION_LIMIT=10
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
@ -99,7 +101,7 @@ services:
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n/main
- N8N_ENCRYPTION_KEY=very-secret-encryption-key
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
# Queue mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis

View file

@ -0,0 +1,194 @@
services:
mockapi:
image: wiremock/wiremock:3.9.1
ports:
- '8088:8080'
volumes:
- ${MOCK_API_DATA_PATH}/mappings:/home/wiremock/mappings
redis:
image: redis:6-alpine
restart: always
ports:
- 6379:6379
healthcheck:
test: ['CMD', 'redis-cli', 'ping']
interval: 1s
timeout: 3s
postgres:
image: postgres:16
restart: always
environment:
- POSTGRES_DB=n8n
- POSTGRES_USER=postgres
- POSTGRES_PASSWORD=password
- PGDATA=/var/lib/postgresql/data/pgdata
volumes:
- ${RUN_DIR}/postgres:/var/lib/postgresql/data
healthcheck:
test: ['CMD-SHELL', 'pg_isready -U postgres']
interval: 5s
timeout: 5s
retries: 10
n8n_worker1:
image: ghcr.io/n8n-io/n8n:${N8N_VERSION:-latest}
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n/worker1
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
- N8N_LICENSE_CERT=${N8N_LICENSE_CERT}
- N8N_LICENSE_ACTIVATION_KEY=${N8N_LICENSE_ACTIVATION_KEY}
- N8N_LICENSE_TENANT_ID=${N8N_LICENSE_TENANT_ID}
# Scaling mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_HEALTH_CHECK_ACTIVE=true
- N8N_CONCURRENCY_PRODUCTION_LIMIT=10
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
- DB_POSTGRESDB_PASSWORD=password
command: worker
volumes:
- ${RUN_DIR}/n8n-worker1:/n8n
depends_on:
postgres:
condition: service_healthy
redis:
condition: service_healthy
healthcheck:
test: ['CMD-SHELL', 'wget --spider -q http://localhost:5678/healthz || exit 1']
interval: 5s
timeout: 5s
retries: 10
n8n_worker2:
image: ghcr.io/n8n-io/n8n:${N8N_VERSION:-latest}
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n/worker2
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
- N8N_LICENSE_CERT=${N8N_LICENSE_CERT}
- N8N_LICENSE_ACTIVATION_KEY=${N8N_LICENSE_ACTIVATION_KEY}
- N8N_LICENSE_TENANT_ID=${N8N_LICENSE_TENANT_ID}
# Scaling mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_HEALTH_CHECK_ACTIVE=true
- N8N_CONCURRENCY_PRODUCTION_LIMIT=10
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
- DB_POSTGRESDB_PASSWORD=password
command: worker
volumes:
- ${RUN_DIR}/n8n-worker2:/n8n
depends_on:
# We let the worker 1 start first so it can run the DB migrations
n8n_worker1:
condition: service_healthy
postgres:
condition: service_healthy
redis:
condition: service_healthy
healthcheck:
test: ['CMD-SHELL', 'wget --spider -q http://localhost:5678/healthz || exit 1']
interval: 5s
timeout: 5s
retries: 10
n8n_main2:
image: ghcr.io/n8n-io/n8n:${N8N_VERSION:-latest}
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
- N8N_LICENSE_CERT=${N8N_LICENSE_CERT}
- N8N_LICENSE_ACTIVATION_KEY=${N8N_LICENSE_ACTIVATION_KEY}
- N8N_LICENSE_TENANT_ID=${N8N_LICENSE_TENANT_ID}
# Scaling mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- N8N_MULTI_MAIN_SETUP_ENABLED=true
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
- DB_POSTGRESDB_PASSWORD=password
volumes:
- ${RUN_DIR}/n8n-main2:/n8n
depends_on:
n8n_worker1:
condition: service_healthy
n8n_worker2:
condition: service_healthy
postgres:
condition: service_healthy
redis:
condition: service_healthy
mockapi:
condition: service_started
healthcheck:
test: ['CMD-SHELL', 'wget --spider -q http://n8n_main2:5678/healthz || exit 1']
interval: 5s
timeout: 5s
retries: 10
n8n_main1:
image: ghcr.io/n8n-io/n8n:${N8N_VERSION:-latest}
environment:
- N8N_DIAGNOSTICS_ENABLED=false
- N8N_USER_FOLDER=/n8n
- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
- N8N_LICENSE_CERT=${N8N_LICENSE_CERT}
- N8N_LICENSE_ACTIVATION_KEY=${N8N_LICENSE_ACTIVATION_KEY}
- N8N_LICENSE_TENANT_ID=${N8N_LICENSE_TENANT_ID}
# Scaling mode config
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- N8N_MULTI_MAIN_SETUP_ENABLED=true
# DB config
- DB_TYPE=postgresdb
- DB_POSTGRESDB_HOST=postgres
- DB_POSTGRESDB_PASSWORD=password
volumes:
- ${RUN_DIR}/n8n-main:/n8n
depends_on:
n8n_worker1:
condition: service_healthy
n8n_worker2:
condition: service_healthy
postgres:
condition: service_healthy
redis:
condition: service_healthy
mockapi:
condition: service_started
healthcheck:
test: ['CMD-SHELL', 'wget --spider -q http://n8n_main1:5678/healthz || exit 1']
interval: 5s
timeout: 5s
retries: 10
# Load balancer that acts as an entry point for n8n
n8n:
image: nginx:latest
ports:
- '5678:80'
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf
depends_on:
n8n_main1:
condition: service_healthy
n8n_main2:
condition: service_healthy
benchmark:
image: ghcr.io/n8n-io/n8n-benchmark:${N8N_BENCHMARK_VERSION:-latest}
depends_on:
- n8n
environment:
- N8N_BASE_URL=http://n8n:80
- K6_API_TOKEN=${K6_API_TOKEN}

View file

@ -0,0 +1,20 @@
events {}
http {
upstream backend {
server n8n_main1:5678;
server n8n_main2:5678;
}
server {
listen 80;
location / {
proxy_pass http://backend;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
}
}

View file

@ -0,0 +1,16 @@
#!/usr/bin/env zx
import path from 'path';
import { fs } from 'zx';
/**
* Creates the needed directories for the queue setup so their
* permissions get set correctly.
*/
export function setup({ runDir }) {
const neededDirs = ['n8n-worker1', 'n8n-worker2', 'n8n-main1', 'n8n_main2', 'postgres'];
for (const dir of neededDirs) {
fs.ensureDirSync(path.join(runDir, dir));
}
}

View file

@ -33,6 +33,7 @@ async function main() {
benchmarkTag: config.benchmarkTag,
isVerbose: config.isVerbose,
k6ApiToken: config.k6ApiToken,
n8nLicenseCert: config.n8nLicenseCert,
n8nTag: config.n8nTag,
n8nSetupsToUse,
});
@ -41,6 +42,7 @@ async function main() {
benchmarkTag: config.benchmarkTag,
isVerbose: config.isVerbose,
k6ApiToken: config.k6ApiToken,
n8nLicenseCert: config.n8nLicenseCert,
n8nTag: config.n8nTag,
runDir: config.runDir,
n8nSetupsToUse,
@ -62,6 +64,7 @@ function readAvailableN8nSetups() {
* @property {string} n8nTag
* @property {string} benchmarkTag
* @property {string} [k6ApiToken]
* @property {string} [n8nLicenseCert]
* @property {string} [runDir]
*
* @returns {Promise<Config>}
@ -81,6 +84,7 @@ async function parseAndValidateConfig() {
const n8nTag = args.n8nTag || process.env.N8N_DOCKER_TAG || 'latest';
const benchmarkTag = args.benchmarkTag || process.env.BENCHMARK_DOCKER_TAG || 'latest';
const k6ApiToken = args.k6ApiToken || process.env.K6_API_TOKEN || undefined;
const n8nLicenseCert = args.n8nLicenseCert || process.env.N8N_LICENSE_CERT || undefined;
const runDir = args.runDir || undefined;
const env = args.env || 'local';
@ -96,6 +100,7 @@ async function parseAndValidateConfig() {
n8nTag,
benchmarkTag,
k6ApiToken,
n8nLicenseCert,
runDir,
};
}

View file

@ -12,6 +12,8 @@ const paths = {
mockApiDataPath: path.join(__dirname, 'mockApi'),
};
const N8N_ENCRYPTION_KEY = 'very-secret-encryption-key';
async function main() {
const [n8nSetupToUse] = argv._;
validateN8nSetup(n8nSetupToUse);
@ -22,6 +24,9 @@ async function main() {
const benchmarkTag = argv.benchmarkDockerTag || process.env.BENCHMARK_DOCKER_TAG || 'latest';
const k6ApiToken = argv.k6ApiToken || process.env.K6_API_TOKEN || undefined;
const baseRunDir = argv.runDir || process.env.RUN_DIR || '/n8n';
const n8nLicenseCert = argv.n8nLicenseCert || process.env.N8N_LICENSE_CERT || undefined;
const n8nLicenseActivationKey = process.env.N8N_LICENSE_ACTIVATION_KEY || '';
const n8nLicenseTenantId = argv.n8nLicenseTenantId || process.env.N8N_LICENSE_TENANT_ID || '';
if (!fs.existsSync(baseRunDir)) {
console.error(
@ -38,7 +43,12 @@ async function main() {
cwd: composeFilePath,
verbose: true,
env: {
PATH: process.env.PATH,
N8N_VERSION: n8nTag,
N8N_LICENSE_CERT: n8nLicenseCert,
N8N_LICENSE_ACTIVATION_KEY: n8nLicenseActivationKey,
N8N_LICENSE_TENANT_ID: n8nLicenseTenantId,
N8N_ENCRYPTION_KEY,
BENCHMARK_VERSION: benchmarkTag,
K6_API_TOKEN: k6ApiToken,
RUN_DIR: runDir,
@ -59,17 +69,24 @@ async function main() {
await dockerComposeClient.$('run', 'benchmark', 'run', `--scenarioNamePrefix=${n8nSetupToUse}`);
} catch (error) {
console.error('An error occurred while running the benchmarks:');
console.error(error);
console.error(error.message);
console.error('');
await dumpN8nInstanceLogs(dockerComposeClient);
await printContainerStatus(dockerComposeClient);
console.error('');
await dumpLogs(dockerComposeClient);
} finally {
await dockerComposeClient.$('down');
}
}
async function dumpN8nInstanceLogs(dockerComposeClient) {
console.error('n8n instance logs:');
await dockerComposeClient.$('logs', 'n8n');
async function printContainerStatus(dockerComposeClient) {
console.error('Container statuses:');
await dockerComposeClient.$('ps', '-a');
}
async function dumpLogs(dockerComposeClient) {
console.error('Container logs:');
await dockerComposeClient.$('logs');
}
function printUsage() {

View file

@ -29,6 +29,7 @@ import { TerraformClient } from './clients/terraformClient.mjs';
* @property {string} n8nTag
* @property {string} benchmarkTag
* @property {string} [k6ApiToken]
* @property {string} [n8nLicenseCert]
*
* @param {Config} config
*/
@ -96,6 +97,7 @@ async function runBenchmarkForN8nSetup({ config, sshClient, scriptsDir, n8nSetup
n8nDockerTag: config.n8nTag,
benchmarkDockerTag: config.benchmarkTag,
k6ApiToken: config.k6ApiToken,
n8nLicenseCert: config.n8nLicenseCert,
};
const flagsString = Object.entries(flags)

View file

@ -29,6 +29,7 @@ const paths = {
* @property {string} benchmarkTag
* @property {string} [runDir]
* @property {string} [k6ApiToken]
* @property {string} [n8nLicenseCert]
*
* @param {Config} config
*/
@ -51,6 +52,7 @@ export async function runLocally(config) {
env: {
...process.env,
K6_API_TOKEN: config.k6ApiToken,
N8N_LICENSE_CERT: config.n8nLicenseCert,
},
})`npx ${runScriptPath} ${flags} ${n8nSetup}`;
}