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Change metric names to follow prometheus naming guide

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This commit is contained in:
Calvin Montgomery 2017-08-12 13:12:58 -07:00
parent 92f0a956b9
commit d0c1e8cbd9
7 changed files with 22 additions and 22 deletions
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8
src/web/webserver.js
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@ -32,13 +32,13 @@ function initializeLog(app) {
function initPrometheus(app) {
const latency = new Summary({
name: 'cytube_http_req_latency',
name: 'cytube_http_req_duration_seconds',
help: 'HTTP Request latency from execution of the first middleware '
+ 'until the "finish" event on the response object.',
labelNames: ['method', 'statusCode']
});
const requests = new Counter({
name: 'cytube_http_req_count',
name: 'cytube_http_req_total',
help: 'HTTP Request count',
labelNames: ['method', 'statusCode']
});
@ -48,8 +48,8 @@ function initPrometheus(app) {
res.on('finish', () => {
try {
const diff = process.hrtime(startTime);
const diffMs = diff[0]*1e3 + diff[1]*1e-6;
latency.labels(req.method, res.statusCode).observe(diffMs);
const diffSec = diff[0] + diff[1]*1e-9;
latency.labels(req.method, res.statusCode).observe(diffSec);
requests.labels(req.method, res.statusCode).inc(1, new Date());
} catch (error) {
LOGGER.error('Failed to record HTTP Prometheus metrics: %s', error.stack);