@opentelemetry/sdk-metrics
Version:
67 lines • 2.62 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsoleMetricExporter = void 0;
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const core_1 = require("@opentelemetry/core");
const AggregationSelector_1 = require("./AggregationSelector");
/**
* This is an implementation of {@link PushMetricExporter} that prints metrics to the
* console. This class can be used for diagnostic purposes.
*
* NOTE: This {@link PushMetricExporter} is intended for diagnostics use only, output rendered to the console may change at any time.
*/
/* eslint-disable no-console */
class ConsoleMetricExporter {
_shutdown = false;
_temporalitySelector;
constructor(options) {
this._temporalitySelector =
options?.temporalitySelector ?? AggregationSelector_1.DEFAULT_AGGREGATION_TEMPORALITY_SELECTOR;
}
export(metrics, resultCallback) {
if (this._shutdown) {
// If the exporter is shutting down, by spec, we need to return FAILED as export result
setImmediate(resultCallback, { code: core_1.ExportResultCode.FAILED });
return;
}
return ConsoleMetricExporter._sendMetrics(metrics, resultCallback);
}
forceFlush() {
return Promise.resolve();
}
selectAggregationTemporality(_instrumentType) {
return this._temporalitySelector(_instrumentType);
}
shutdown() {
this._shutdown = true;
return Promise.resolve();
}
static _sendMetrics(metrics, done) {
for (const scopeMetrics of metrics.scopeMetrics) {
for (const metric of scopeMetrics.metrics) {
console.dir({
descriptor: metric.descriptor,
dataPointType: metric.dataPointType,
dataPoints: metric.dataPoints,
}, { depth: null });
}
}
done({ code: core_1.ExportResultCode.SUCCESS });
}
}
exports.ConsoleMetricExporter = ConsoleMetricExporter;
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