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manager-metrics.js
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manager-metrics.js
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const metrics = require('datadog-metrics');
const postal = require('postal');
const { env: { NODE_ENV: environment = 'production' } } = process;
metrics.init({
prefix: 'ugo.',
defaultTags: [`env:${environment}`],
});
class MetricsManager {
static gauge(options) {
const {
name,
value,
tags,
timestamp,
} = options;
return metrics.gauge(name, value, tags, timestamp);
}
static increment(options) {
const {
name,
value = 1,
tags,
timestamp,
} = options;
return metrics.increment(name, value, tags, timestamp);
}
static histogram(options) {
const {
name,
value,
tags,
timestamp,
} = options;
return metrics.histogram(name, value, tags, timestamp);
}
}
postal.subscribe({
channel: 'metrics',
topic: 'gauge',
callback: MetricsManager.gauge,
});
postal.subscribe({
channel: 'metrics',
topic: 'increment',
callback: MetricsManager.increment,
});
postal.subscribe({
channel: 'metrics',
topic: 'histogram',
callback: MetricsManager.histogram,
});
module.exports = MetricsManager;