@message-queue-toolkit/metrics/dist/prometheus/metrics/message-time/PrometheusMessageTimeMetric.js

Utilities for collecting metrics in message-queue-toolkit

import { PrometheusMessageMetric } from "../../PrometheusMessageMetric.js";
export class PrometheusMessageTimeMetric extends PrometheusMessageMetric {
    createMetric(client, metricParams) {
        return new client.Histogram({
            name: metricParams.name,
            help: metricParams.helpDescription,
            buckets: metricParams.buckets,
            labelNames: ['messageType', 'version', 'queue', 'result'],
        });
    }
    registerProcessedMessage(metadata) {
        const observedValue = this.calculateObservedValue(metadata);
        // Data not available, skipping
        if (observedValue === null)
            return;
        this.metric.observe({
            messageType: metadata.messageType,
            version: this.messageVersionGeneratingFunction(metadata),
            queue: metadata.queueName,
            result: metadata.processingResult.status,
        }, observedValue);
    }
}
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