0.5.0 • Published 5 years ago
clerq v0.5.0
clerq
a redis based minimalist service registry and service discovery
Install
npm i --save clerq
You can also clone this repository and make use of it yourself.
git clone https://github.com/Dvs-Bilisim/clerq.git
cd clerq
npm i
npm test
Before running tests, please make sure that you have Redis available on localhost. If you don't know how to do that temporarily, please use following command to run it via docker.
docker run -p 6379:6379 --name clerq_redis redis:4-alpine
Configuration
- cache : expiration value in milliseconds for service caching. it's disabled by default.
- delimiter : delimiter between prefix and service name.
- expire : expire for service registry records. it's disabled by default.
- iface : optional. name of the network interface to get outer ip from
- pino : options for pino logger. it's { "level": "error" } by default.
- prefix : prefix for service names
Methods
- .up(service, target): adds a new service instance
- .down(service, target): removes an existing service instance
- .destroy(service): removes an existing service completely
- .get(service): returns a random instance by service
- .all(service): returns all instances by service
- .services(): returns list of all services
- .isCached(service): checks if service instance cached properly
- .stop(): stops service registry
Examples
const ServiceRegistry = require('clerq');
const Redis = require('redis');
const registry = new ServiceRegistry(redis.createClient(), {});
registry.up('test', 8000).then(console.log).catch(console.log);
registry.down('test', 8000).then(console.log).catch(console.log);
registry.get('test').then(console.log).catch(console.log);
registry.stop();
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