@microfleet/core
Version:
Abstract microservice core
77 lines • 2.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.attach = exports.type = exports.name = exports.priority = void 0;
const assert = require("assert");
const retry = require("bluebird-retry");
const Bluebird = require("bluebird");
const Errors = require("common-errors");
const Elasticsearch = require("elasticsearch");
const common_errors_1 = require("common-errors");
const constants_1 = require("../constants");
/**
* Relative priority inside the same plugin group type
*/
exports.priority = 0;
exports.name = 'elasticsearch';
exports.type = constants_1.PluginTypes.database;
function attach(params = {}) {
assert(this.hasPlugin('logger'), new common_errors_1.NotFoundError('logger module must be included'));
assert(this.hasPlugin('validator'), new common_errors_1.NotFoundError('validator module must be included'));
const conf = this.validator.ifError('elasticsearch', params);
const { log, ...opts } = conf;
const { log: serviceLogger } = this;
let Logger = null;
if (log && log.type === 'service') {
Logger = {
debug: serviceLogger.debug.bind(serviceLogger),
error: serviceLogger.error.bind(serviceLogger),
info: serviceLogger.info.bind(serviceLogger),
warning: serviceLogger.warn.bind(serviceLogger),
trace(method, requestUrl, body, responseBody, responseStatus) {
serviceLogger.trace({
body,
method,
requestUrl,
responseBody,
responseStatus,
});
},
close() { return; },
};
}
return {
/**
* @returns Elasticsearch connection.
*/
async connect() {
assert(!this.elasticsearch, new Errors.NotPermittedError('elasticsearch was already started'));
const instance = new Elasticsearch.Client({
...opts,
defer() { return Bluebird.defer(); },
log: Logger || log,
});
await retry(instance.nodes.info, {
context: instance.nodes,
args: [{ nodeId: '', human: true }],
interval: 500,
backoff: 2,
max_interval: 5000,
timeout: 60000,
max_tries: 100,
});
this.elasticsearch = instance;
this.emit('plugin:connect:elasticsearch', instance);
return instance;
},
/**
* @returns Closes elasticsearch connection.
*/
async close() {
await Bluebird.try(() => this.elasticsearch.close());
this.elasticsearch = null;
this.emit('plugin:close:elasticsearch');
},
};
}
exports.attach = attach;
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