@azure/monitor-opentelemetry-exporter
Version:
Application Insights exporter for the OpenTelemetry JavaScript (Node.js) SDK
53 lines • 2.39 kB
JavaScript
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
import { SpanKind } from "@opentelemetry/api";
import { hrTimeToMilliseconds } from "@opentelemetry/core";
import { SEMATTRS_NET_PEER_NAME } from "@opentelemetry/semantic-conventions";
import { TIME_SINCE_ENQUEUED, ENQUEUED_TIME } from "./constants/applicationinsights.js";
import { AzNamespace, MessageBusDestination } from "./constants/span/azAttributes.js";
/**
* Average span.links[].attributes.enqueuedTime
*/
const getTimeSinceEnqueued = (span) => {
let countEnqueueDiffs = 0;
let sumEnqueueDiffs = 0;
const startTimeMs = hrTimeToMilliseconds(span.startTime);
span.links.forEach(({ attributes }) => {
const enqueuedTime = attributes === null || attributes === void 0 ? void 0 : attributes[ENQUEUED_TIME];
if (enqueuedTime) {
countEnqueueDiffs += 1;
sumEnqueueDiffs += startTimeMs - (parseFloat(enqueuedTime.toString()) || 0);
}
});
return Math.max(sumEnqueueDiffs / (countEnqueueDiffs || 1), 0);
};
/**
* Implementation of Mapping to Azure Monitor
*
* https://gist.github.com/lmolkova/e4215c0f44a49ef824983382762e6b92#mapping-to-azure-monitor-application-insights-telemetry
* @internal
*/
export const parseEventHubSpan = (span, baseData) => {
const namespace = span.attributes[AzNamespace];
const peerAddress = (span.attributes[SEMATTRS_NET_PEER_NAME] ||
span.attributes["peer.address"] ||
"unknown").replace(/\/$/g, ""); // remove trailing "/"
const messageBusDestination = (span.attributes[MessageBusDestination] || "unknown");
switch (span.kind) {
case SpanKind.CLIENT:
baseData.type = namespace;
baseData.target = `${peerAddress}/${messageBusDestination}`;
break;
case SpanKind.PRODUCER:
baseData.type = `Queue Message | ${namespace}`;
baseData.target = `${peerAddress}/${messageBusDestination}`;
break;
case SpanKind.CONSUMER:
baseData.type = `Queue Message | ${namespace}`;
baseData.source = `${peerAddress}/${messageBusDestination}`;
baseData.measurements = Object.assign(Object.assign({}, baseData.measurements), { [TIME_SINCE_ENQUEUED]: getTimeSinceEnqueued(span) });
break;
default: // no op
}
};
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