112 lines
5.1 KiB
JavaScript
112 lines
5.1 KiB
JavaScript
"use strict";
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/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.OTLPMetricExporterBase = exports.LowMemoryTemporalitySelector = exports.DeltaTemporalitySelector = exports.CumulativeTemporalitySelector = void 0;
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const core_1 = require("@opentelemetry/core");
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const sdk_metrics_1 = require("@opentelemetry/sdk-metrics");
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const OTLPMetricExporterOptions_1 = require("./OTLPMetricExporterOptions");
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const api_1 = require("@opentelemetry/api");
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const CumulativeTemporalitySelector = () => sdk_metrics_1.AggregationTemporality.CUMULATIVE;
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exports.CumulativeTemporalitySelector = CumulativeTemporalitySelector;
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const DeltaTemporalitySelector = (instrumentType) => {
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switch (instrumentType) {
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case sdk_metrics_1.InstrumentType.COUNTER:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_COUNTER:
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case sdk_metrics_1.InstrumentType.GAUGE:
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case sdk_metrics_1.InstrumentType.HISTOGRAM:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_GAUGE:
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return sdk_metrics_1.AggregationTemporality.DELTA;
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case sdk_metrics_1.InstrumentType.UP_DOWN_COUNTER:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_UP_DOWN_COUNTER:
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return sdk_metrics_1.AggregationTemporality.CUMULATIVE;
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}
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};
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exports.DeltaTemporalitySelector = DeltaTemporalitySelector;
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const LowMemoryTemporalitySelector = (instrumentType) => {
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switch (instrumentType) {
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case sdk_metrics_1.InstrumentType.COUNTER:
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case sdk_metrics_1.InstrumentType.HISTOGRAM:
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return sdk_metrics_1.AggregationTemporality.DELTA;
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case sdk_metrics_1.InstrumentType.GAUGE:
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case sdk_metrics_1.InstrumentType.UP_DOWN_COUNTER:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_UP_DOWN_COUNTER:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_COUNTER:
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case sdk_metrics_1.InstrumentType.OBSERVABLE_GAUGE:
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return sdk_metrics_1.AggregationTemporality.CUMULATIVE;
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}
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};
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exports.LowMemoryTemporalitySelector = LowMemoryTemporalitySelector;
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function chooseTemporalitySelectorFromEnvironment() {
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const env = (0, core_1.getEnv)();
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const configuredTemporality = env.OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE.trim().toLowerCase();
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if (configuredTemporality === 'cumulative') {
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return exports.CumulativeTemporalitySelector;
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}
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if (configuredTemporality === 'delta') {
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return exports.DeltaTemporalitySelector;
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}
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if (configuredTemporality === 'lowmemory') {
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return exports.LowMemoryTemporalitySelector;
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}
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api_1.diag.warn(`OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE is set to '${env.OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE}', but only 'cumulative' and 'delta' are allowed. Using default ('cumulative') instead.`);
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return exports.CumulativeTemporalitySelector;
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}
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function chooseTemporalitySelector(temporalityPreference) {
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// Directly passed preference has priority.
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if (temporalityPreference != null) {
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if (temporalityPreference === OTLPMetricExporterOptions_1.AggregationTemporalityPreference.DELTA) {
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return exports.DeltaTemporalitySelector;
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}
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else if (temporalityPreference === OTLPMetricExporterOptions_1.AggregationTemporalityPreference.LOWMEMORY) {
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return exports.LowMemoryTemporalitySelector;
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}
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return exports.CumulativeTemporalitySelector;
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}
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return chooseTemporalitySelectorFromEnvironment();
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}
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function chooseAggregationSelector(config) {
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if (config === null || config === void 0 ? void 0 : config.aggregationPreference) {
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return config.aggregationPreference;
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}
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else {
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return (_instrumentType) => sdk_metrics_1.Aggregation.Default();
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}
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}
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class OTLPMetricExporterBase {
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constructor(exporter, config) {
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this._otlpExporter = exporter;
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this._aggregationSelector = chooseAggregationSelector(config);
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this._aggregationTemporalitySelector = chooseTemporalitySelector(config === null || config === void 0 ? void 0 : config.temporalityPreference);
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}
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export(metrics, resultCallback) {
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this._otlpExporter.export([metrics], resultCallback);
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}
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async shutdown() {
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await this._otlpExporter.shutdown();
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}
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forceFlush() {
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return Promise.resolve();
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}
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selectAggregation(instrumentType) {
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return this._aggregationSelector(instrumentType);
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}
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selectAggregationTemporality(instrumentType) {
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return this._aggregationTemporalitySelector(instrumentType);
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}
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}
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exports.OTLPMetricExporterBase = OTLPMetricExporterBase;
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//# sourceMappingURL=OTLPMetricExporterBase.js.map
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