@microfleet/core
Version:
Abstract microservice core
50 lines • 1.81 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getHealthStatus = exports.PluginHealthCheck = exports.PluginHealthStatus = void 0;
const Bluebird = require("bluebird");
const retry = require("bluebird-retry");
const constants_1 = require("../constants");
class PluginHealthStatus {
constructor(name, alive = true, error) {
this.name = name;
this.status = alive ? constants_1.PLUGIN_STATUS_OK : constants_1.PLUGIN_STATUS_FAIL;
this.error = error;
}
}
exports.PluginHealthStatus = PluginHealthStatus;
class PluginHealthCheck {
constructor(name, handler) {
this.name = name;
this.handler = handler;
}
}
exports.PluginHealthCheck = PluginHealthCheck;
/**
* Walks thru attached status getters and returns a summary system state.
* @param {Array<PluginHealthCheck>} handlers - Array of plugin health checkers.
* @param {Object} _opts - Retry options.
* @returns {Promise<{status: string, alive: Array, failed: Array}>} A current service state.
*/
async function getHealthStatus(handlers, config) {
// retry options
// https://www.npmjs.com/package/bluebird-retry
const opts = { ...config, throw_original: true, context: this };
const alive = [];
const failed = [];
await Bluebird.each(handlers, async ({ name, handler }) => {
try {
await retry(handler, opts);
alive.push(new PluginHealthStatus(name, true));
}
catch (e) {
failed.push(new PluginHealthStatus(name, false, e));
}
});
return {
alive,
failed,
status: !failed.length ? constants_1.PLUGIN_STATUS_OK : constants_1.PLUGIN_STATUS_FAIL,
};
}
exports.getHealthStatus = getHealthStatus;
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