@microfleet/core
Version:
Abstract microservice core
51 lines • 1.71 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const __1 = require("..");
const sharedHandlers_1 = require("../sharedHandlers");
function extractStatusCode(error) {
if (!error) {
return 200;
}
switch (error.name) {
case 'AuthenticationRequiredError':
return 400;
case 'ValidationError':
return 401;
case 'NotPermittedError':
return 403;
case 'NotFoundError':
return 404;
case 'NotSupportedError':
return 405;
default:
return error.statusCode || 500;
}
}
function diff(start) {
const execTime = process.hrtime(start);
const ms = (execTime[0] * 1000) + (+(execTime[1] / 1000000));
return parseInt(ms.toFixed(), 10);
}
function metricObservabilityFactory() {
return [
sharedHandlers_1.storeRequestTimeFactory(),
{
point: __1.LifecyclePoints.postResponse,
async handler(e, r, _, __, request) {
const { metricMicrofleetDuration } = this;
const latency = diff(request.started);
const labels = {
method: request.method,
// NOTE: route empty in case of 404 - should we extract real path from the `transportRequest` ?
route: request.route,
transport: request.transport,
statusCode: extractStatusCode(e),
};
metricMicrofleetDuration.observe(labels, latency);
return [e, r];
},
},
];
}
exports.default = metricObservabilityFactory;
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