@opentelemetry/resources
Version:
57 lines • 2.33 kB
JavaScript
;
/*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.detectResources = void 0;
const api_1 = require("@opentelemetry/api");
const ResourceImpl_1 = require("./ResourceImpl");
/**
* Runs all resource detectors and returns the results merged into a single Resource.
*
* @param config Configuration for resource detection
*/
const detectResources = (config = {}) => {
const resources = (config.detectors || []).map(d => {
try {
const resource = (0, ResourceImpl_1.resourceFromDetectedResource)(d.detect(config));
api_1.diag.debug(`${d.constructor.name} found resource.`, resource);
return resource;
}
catch (e) {
api_1.diag.debug(`${d.constructor.name} failed: ${e.message}`);
return (0, ResourceImpl_1.emptyResource)();
}
});
// Future check if verbose logging is enabled issue #1903
logResources(resources);
return resources.reduce((acc, resource) => acc.merge(resource), (0, ResourceImpl_1.emptyResource)());
};
exports.detectResources = detectResources;
/**
* Writes debug information about the detected resources to the logger defined in the resource detection config, if one is provided.
*
* @param resources The array of {@link Resource} that should be logged. Empty entries will be ignored.
*/
const logResources = (resources) => {
resources.forEach(resource => {
// Print only populated resources
if (Object.keys(resource.attributes).length > 0) {
const resourceDebugString = JSON.stringify(resource.attributes, null, 4);
api_1.diag.verbose(resourceDebugString);
}
});
};
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