@opentelemetry/sdk-metrics
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103 lines • 3.73 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.createDenyListAttributesProcessor = exports.createAllowListAttributesProcessor = exports.createMultiAttributesProcessor = exports.createNoopAttributesProcessor = void 0;
class NoopAttributesProcessor {
process(incoming, _context) {
return incoming;
}
}
class MultiAttributesProcessor {
_processors;
constructor(processors) {
this._processors = processors;
}
process(incoming, context) {
let filteredAttributes = incoming;
for (const processor of this._processors) {
filteredAttributes = processor.process(filteredAttributes, context);
}
return filteredAttributes;
}
}
class AllowListProcessor {
_allowedAttributeNames;
constructor(allowedAttributeNames) {
this._allowedAttributeNames = allowedAttributeNames;
}
process(incoming, _context) {
const filteredAttributes = {};
Object.keys(incoming).forEach(attributeName => {
if (this._allowedAttributeNames.includes(attributeName)) {
filteredAttributes[attributeName] = incoming[attributeName];
}
});
return filteredAttributes;
}
}
class DenyListProcessor {
_deniedAttributeNames;
constructor(deniedAttributeNames) {
this._deniedAttributeNames = deniedAttributeNames;
}
process(incoming, _context) {
const filteredAttributes = {};
Object.keys(incoming).forEach(attributeName => {
if (!this._deniedAttributeNames.includes(attributeName)) {
filteredAttributes[attributeName] = incoming[attributeName];
}
});
return filteredAttributes;
}
}
/**
* @internal
*
* Create an {@link IAttributesProcessor} that acts as a simple pass-through for attributes.
*/
function createNoopAttributesProcessor() {
return NOOP;
}
exports.createNoopAttributesProcessor = createNoopAttributesProcessor;
/**
* @internal
*
* Create an {@link IAttributesProcessor} that applies all processors from the provided list in order.
*
* @param processors Processors to apply in order.
*/
function createMultiAttributesProcessor(processors) {
return new MultiAttributesProcessor(processors);
}
exports.createMultiAttributesProcessor = createMultiAttributesProcessor;
/**
* Create an {@link IAttributesProcessor} that filters by allowed attribute names and drops any names that are not in the
* allow list.
*/
function createAllowListAttributesProcessor(attributeAllowList) {
return new AllowListProcessor(attributeAllowList);
}
exports.createAllowListAttributesProcessor = createAllowListAttributesProcessor;
/**
* Create an {@link IAttributesProcessor} that drops attributes based on the names provided in the deny list
*/
function createDenyListAttributesProcessor(attributeDenyList) {
return new DenyListProcessor(attributeDenyList);
}
exports.createDenyListAttributesProcessor = createDenyListAttributesProcessor;
const NOOP = new NoopAttributesProcessor();
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