'use strict'; import { BrokerOptions, Errors, MetricRegistry, ServiceBroker } from 'moleculer' /** * Moleculer ServiceBroker configuration file * * More info about options: * https://moleculer.services/docs/0.14/configuration.html * * * Overwriting options in production: * ================================ * You can overwrite any option with environment variables. * For example to overwrite the 'logLevel' value, use `LOGLEVEL=warn` env var. * To overwrite a nested parameter, e.g. retryPolicy.retries, use `RETRYPOLICY_RETRIES=10` env var. * * To overwrite broker’s deeply nested default options, which are not presented in 'moleculer.config.js', * use the `MOL_` prefix and double underscore `__` for nested properties in .env file. * For example, to set the cacher prefix to `MYCACHE`, you should declare an env var as `MOL_CACHER__OPTIONS__PREFIX=mycache`. * It will set this: * { * cacher: { * options: { * prefix: 'mycache' * } * } * } */ const brokerConfig: BrokerOptions = { // Namespace of nodes to segment your nodes on the same network. namespace: 'red-plateaus', // Unique node identifier. Must be unique in a namespace. nodeID: null, // Custom metadata store. Store here what you want. Accessing: `this.broker.metadata` metadata: {}, // Enable/disable logging or use custom logger. More info: https://moleculer.services/docs/0.14/logging.html // Available logger types: 'Console', 'File', 'Pino', 'Winston', 'Bunyan', 'debug', 'Log4js', 'Datadog' logger: { type: 'Console', options: { // Using colors on the output colors: true, // Print module names with different colors (like docker-compose for containers) moduleColors: false, // Line formatter. It can be 'json', 'short', 'simple', 'full', a `Function` or a template string like '{timestamp} {level} {nodeID}/{mod}: {msg}' formatter: 'full', // Custom object printer. If not defined, it uses the `util.inspect` method. objectPrinter: null, // Auto-padding the module name in order to messages begin at the same column. autoPadding: false, }, }, // Default log level for built-in console logger. It can be overwritten in logger options above. // Available values: trace, debug, info, warn, error, fatal logLevel: 'info', // Define transporter. // More info: https://moleculer.services/docs/0.14/networking.html // Note: During the development, you don't need to define it because all services will be loaded locally. // In production you can set it via `TRANSPORTER=nats://localhost:4222` environment variable. transporter: null, // Define a cacher. // More info: https://moleculer.services/docs/0.14/caching.html cacher: { type: 'Memory', options: { maxParamsLength: 60, ttl: 60 } }, // Define a serializer. // Available values: 'JSON', 'Avro', 'ProtoBuf', 'MsgPack', 'Notepack', 'Thrift'. // More info: https://moleculer.services/docs/0.14/networking.html#Serialization serializer: 'Avro', // Number of milliseconds to wait before reject a request with a RequestTimeout error. Disabled: 0 requestTimeout: 10 * 1000, // Retry policy settings. More info: https://moleculer.services/docs/0.14/fault-tolerance.html#Retry retryPolicy: { // Enable feature enabled: false, // Count of retries retries: 5, // First delay in milliseconds. delay: 100, // Maximum delay in milliseconds. maxDelay: 1000, // Backoff factor for delay. 2 means exponential backoff. factor: 2, // A function to check failed requests. check: (err: Errors.MoleculerError) => err && !!err.retryable, }, // Limit of calling level. If it reaches the limit, broker will throw an MaxCallLevelError error. (Infinite loop protection) maxCallLevel: 100, // Number of seconds to send heartbeat packet to other nodes. heartbeatInterval: 10, // Number of seconds to wait before setting node to unavailable status. heartbeatTimeout: 30, // Cloning the params of context if enabled. High performance impact, use it with caution! contextParamsCloning: false, // Tracking requests and waiting for running requests before shuting down. More info: https://moleculer.services/docs/0.14/context.html#Context-tracking tracking: { // Enable feature enabled: false, // Number of milliseconds to wait before shuting down the process. shutdownTimeout: 5000, }, // Disable built-in request & emit balancer. (Transporter must support it, as well.). More info: https://moleculer.services/docs/0.14/networking.html#Disabled-balancer disableBalancer: false, // Settings of Service Registry. More info: https://moleculer.services/docs/0.14/registry.html registry: { // Define balancing strategy. More info: https://moleculer.services/docs/0.14/balancing.html // Available values: 'RoundRobin', 'Random', 'CpuUsage', 'Latency', 'Shard' strategy: 'RoundRobin', // Enable local action call preferring. Always call the local action instance if available. preferLocal: true, }, // Settings of Circuit Breaker. More info: https://moleculer.services/docs/0.14/fault-tolerance.html#Circuit-Breaker circuitBreaker: { // Enable feature enabled: false, // Threshold value. 0.5 means that 50% should be failed for tripping. threshold: 0.5, // Minimum request count. Below it, CB does not trip. minRequestCount: 20, // Number of seconds for time window. windowTime: 60, // Number of milliseconds to switch from open to half-open state halfOpenTime: 10 * 1000, // A function to check failed requests. check: (err: Errors.MoleculerError) => err && err.code >= 500, }, // Settings of bulkhead feature. More info: https://moleculer.services/docs/0.14/fault-tolerance.html#Bulkhead bulkhead: { // Enable feature. enabled: false, // Maximum concurrent executions. concurrency: 10, // Maximum size of queue maxQueueSize: 100, }, // Enable action & event parameter validation. More info: https://moleculer.services/docs/0.14/validating.html validator: true, errorHandler: null, // Enable/disable built-in metrics function. More info: https://moleculer.services/docs/0.14/metrics.html metrics: { enabled: false, // Available built-in reporters: 'Console', 'CSV', 'Event', 'Prometheus', 'Datadog', 'StatsD' reporter: { type: '', }, }, // Enable built-in tracing function. More info: https://moleculer.services/docs/0.14/tracing.html tracing: { enabled: false, // Available built-in exporters: 'Console', 'Datadog', 'Event', 'EventLegacy', 'Jaeger', 'Zipkin' exporter: { type: '', // Console exporter is only for development! }, }, // Register custom middlewares middlewares: [], // Register custom REPL commands. replCommands: null, /* // Called after broker created. created : (broker: ServiceBroker): void => {}, // Called after broker started. started: async (broker: ServiceBroker): Promise => {}, stopped: async (broker: ServiceBroker): Promise => {}, */ }; export = brokerConfig;