feat(exporter-logs-otlp-proto): implements protobuf exporter for logs (#3779)

Co-authored-by: Marc Pichler <marc.pichler@dynatrace.com>
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Abinet18 2023-06-02 00:58:44 -07:00 committed by GitHub
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@ -19,6 +19,7 @@ All notable changes to experimental packages in this project will be documented
* feat(otlp-trace-exporters): Add User-Agent header to OTLP trace exporters. [#3790](https://github.com/open-telemetry/opentelemetry-js/pull/3790) @JamieDanielson
* feat(otlp-metric-exporters): Add User-Agent header to OTLP metric exporters. [#3806](https://github.com/open-telemetry/opentelemetry-js/pull/3806) @JamieDanielson
* feat(opencensus-shim): add OpenCensus trace shim [#3809](https://github.com/open-telemetry/opentelemetry-js/pull/3809) @aabmass
* feat(exporter-logs-otlp-proto): protobuf exporter for logs. [#3779](https://github.com/open-telemetry/opentelemetry-js/pull/3779) @Abinet18
### :bug: (Bug Fix)

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build

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module.exports = {
"env": {
"mocha": true,
"commonjs": true,
"node": true,
},
...require('../../../eslint.config.js')
}

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/bin
/coverage
/doc
/test

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@ -0,0 +1,110 @@
# An OTLP exporter to send logs using protobuf over HTTP
[![NPM Published Version][npm-img]][npm-url]
[![Apache License][license-image]][license-image]
**Note: This is an experimental package under active development. New releases may include breaking changes.**
This module provides an exporter for OTLP (http/protobuf) logs using protocol version `v0.18`.
## Installation
```bash
npm install --save @opentelemetry/exporter-logs-otlp-proto
```
## Further Documentation
To see documentation and sample code for the traces exporter, as well as instructions for using TLS, see the [exporter-trace-otlp-proto package][trace-exporter-url].
To see documentation and sample code for the metric exporter, see the [exporter-trace-otlp-proto package][metrics-exporter-url].
## Example Setup
```js
const { LoggerProvider, SimpleLogRecordProcessor } = require('@opentelemetry/sdk-logs');
const { OTLPLogsExporter } = require('@opentelemetry/exporter-logs-otlp-proto');
const collectorOptions = {
url: '<opentelemetry-collector-url>', // url is optional and can be omitted - default is http://localhost:4318/v1/logs
headers: {
foo: 'bar'
}, //an optional object containing custom headers to be sent with each request will only work with http
};
const logProvider = new LoggerProvider({resource: new Resource({'service.name': 'testApp'})});
const logExporter = new OTLPLogsExporter(collectorOptions);
logProvider.addLogRecordProcessor(new SimpleLogRecordProcessor(exporter));
const logger = logProvider.getLogger('test_log_instrumentation');
logger.emit({
//log data to emit
})
```
## Exporter Timeout Configuration
The OTLPLogsExporter has a timeout configuration option which is the maximum time, in milliseconds, the OTLP exporter will wait for each batch export. The default value is 10000ms.
To override the default timeout duration, use the following options:
+ Set with environment variables:
| Environment variable | Description |
------------------------------|----------------------|-------------|
| OTEL_EXPORTER_OTLP_LOGS_TIMEOUT | The maximum waiting time, in milliseconds, allowed to send each OTLP trace batch. Default is 10000. |
| OTEL_EXPORTER_OTLP_TIMEOUT | The maximum waiting time, in milliseconds, allowed to send each OTLP trace and metric batch. Default is 10000. |
> `OTEL_EXPORTER_OTLP_LOGS_TIMEOUT` takes precedence and overrides `OTEL_EXPORTER_OTLP_TIMEOUT`.
+ Provide `timeoutMillis` to OTLPLogsExporter with `collectorOptions`:
```js
const collectorOptions = {
timeoutMillis: 15000,
url: '<opentelemetry-collector-url>', // url is optional and can be omitted - default is http://localhost:4318/v1/logs
headers: {
foo: 'bar'
}, //an optional object containing custom headers to be sent with each request will only work with http
};
const exporter = new OTLPLogsExporter(collectorOptions);
```
> Providing `timeoutMillis` with `collectorOptions` takes precedence and overrides timeout set with environment variables.
## OTLP Exporter Retry
OTLP requires that transient errors be handled with a [retry strategy](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/protocol/exporter.md#retry).
This retry policy has the following configuration, which there is currently no way to customize.
+ `DEFAULT_EXPORT_MAX_ATTEMPTS`: The maximum number of attempts, including the original request. Defaults to 5.
+ `DEFAULT_EXPORT_INITIAL_BACKOFF`: The initial backoff duration. Defaults to 1 second.
+ `DEFAULT_EXPORT_MAX_BACKOFF`: The maximum backoff duration. Defaults to 5 seconds.
+ `DEFAULT_EXPORT_BACKOFF_MULTIPLIER`: The backoff multiplier. Defaults to 1.5.
This retry policy first checks if the response has a `'Retry-After'` header. If there is a `'Retry-After'` header, the exporter will wait the amount specified in the `'Retry-After'` header before retrying. If there is no `'Retry-After'` header, the exporter will use an exponential backoff with jitter retry strategy.
> The exporter will retry exporting within the [exporter timeout configuration](#Exporter-Timeout-Configuration) time.
## Useful links
+ For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
+ For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
+ For help or feedback on this project, join us in [GitHub Discussions][discussions-url]
## License
Apache 2.0 - See [LICENSE][license-url] for more information.
[discussions-url]: https://github.com/open-telemetry/opentelemetry-js/discussions
[license-url]: https://github.com/open-telemetry/opentelemetry-js/blob/main/LICENSE
[license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat
[npm-url]: https://www.npmjs.com/package/@opentelemetry/exporter-logs-otlp-proto
[npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fexporter-logs-otlp-proto.svg
[opentelemetry-collector-url]: https://github.com/open-telemetry/opentelemetry-collector
[semconv-resource-service-name]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/resource/semantic_conventions/README.md#service
[logs-exporter-url]: https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-logs-otlp-proto
[trace-exporter-url]: https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/exporter-trace-otlp-proto
[metrics-exporter-url]: https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-exporter-metrics-otlp-proto

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/*!
* 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
*
* http://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 karmaWebpackConfig = require('../../../karma.webpack');
const karmaBaseConfig = require('../../../karma.base');
module.exports = (config) => {
config.set(Object.assign({}, karmaBaseConfig, {
webpack: karmaWebpackConfig,
files: ['test/browser/index-webpack.ts'],
preprocessors: { 'test/browser/index-webpack.ts': ['webpack'] }
}))
};

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{
"name": "@opentelemetry/exporter-logs-otlp-proto",
"version": "0.39.1",
"description": "An OTLP exporter to send logs using protobuf over HTTP",
"main": "build/src/index.js",
"module": "build/esm/index.js",
"esnext": "build/esnext/index.js",
"types": "build/src/index.d.ts",
"repository": "open-telemetry/opentelemetry-js",
"browser": {
"./src/platform/index.ts": "./src/platform/browser/index.ts",
"./build/esm/platform/index.js": "./build/esm/platform/browser/index.js",
"./build/esnext/platform/index.js": "./build/esnext/platform/browser/index.js",
"./build/src/platform/index.js": "./build/src/platform/browser/index.js"
},
"scripts": {
"prepublishOnly": "npm run compile",
"compile": "tsc --build tsconfig.json tsconfig.esm.json tsconfig.esnext.json",
"clean": "tsc --build --clean tsconfig.json tsconfig.esm.json tsconfig.esnext.json",
"lint": "eslint . --ext .ts",
"lint:fix": "eslint . --ext .ts --fix",
"tdd": "npm run test -- --watch-extensions ts --watch",
"test": "nyc ts-mocha -p tsconfig.json 'test/**/*.test.ts' --exclude 'test/browser/**/*.ts'",
"test:browser": "nyc karma start --single-run",
"version": "node ../../../scripts/version-update.js",
"watch": "tsc --build --watch tsconfig.json tsconfig.esm.json tsconfig.esnext.json",
"precompile": "lerna run version --scope $(npm pkg get name) --include-dependencies",
"prewatch": "npm run precompile",
"peer-api-check": "node ../../../scripts/peer-api-check.js",
"codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../../"
},
"keywords": [
"opentelemetry",
"nodejs",
"protobuf",
"tracing",
"profiling",
"metrics",
"stats",
"logs"
],
"author": "OpenTelemetry Authors",
"license": "Apache-2.0",
"engines": {
"node": ">=14"
},
"files": [
"build/esm/**/*.js",
"build/esm/**/*.js.map",
"build/esm/**/*.d.ts",
"build/esnext/**/*.js",
"build/esnext/**/*.js.map",
"build/esnext/**/*.d.ts",
"build/src/**/*.js",
"build/src/**/*.js.map",
"build/src/**/*.d.ts",
"build/protos/**/*.proto",
"doc",
"LICENSE",
"README.md"
],
"publishConfig": {
"access": "public"
},
"devDependencies": {
"@babel/core": "7.16.0",
"@opentelemetry/api": "1.4.1",
"@types/mocha": "10.0.0",
"@types/node": "18.6.5",
"@types/sinon": "10.0.13",
"codecov": "3.8.3",
"cpx": "1.5.0",
"mocha": "10.0.0",
"nyc": "15.1.0",
"sinon": "15.0.0",
"ts-loader": "8.4.0",
"ts-mocha": "10.0.0",
"typescript": "4.4.4"
},
"peerDependencies": {
"@opentelemetry/api": "^1.0.0"
},
"dependencies": {
"@opentelemetry/core": "1.13.0",
"@opentelemetry/otlp-transformer": "0.39.1",
"@opentelemetry/resources": "1.13.0",
"@opentelemetry/sdk-trace-base": "1.13.0",
"@opentelemetry/api-logs": "^0.39.1",
"@opentelemetry/otlp-exporter-base": "0.39.1",
"@opentelemetry/otlp-proto-exporter-base": "0.39.1",
"@opentelemetry/sdk-logs": "^0.39.1"
},
"homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/exporter-logs-otlp-proto",
"sideEffects": false
}

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/*
* 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.
*/
export { OTLPLogsExporter } from './platform';

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/*
* 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.
*/
import { getEnv, baggageUtils } from '@opentelemetry/core';
import {
OTLPExporterConfigBase,
appendResourcePathToUrl,
appendRootPathToUrlIfNeeded,
} from '@opentelemetry/otlp-exporter-base';
import {
OTLPProtoExporterBrowserBase,
ServiceClientType,
} from '@opentelemetry/otlp-proto-exporter-base';
import {
createExportLogsServiceRequest,
IExportLogsServiceRequest,
} from '@opentelemetry/otlp-transformer';
import { ReadableLogRecord, LogRecordExporter } from '@opentelemetry/sdk-logs';
const DEFAULT_COLLECTOR_RESOURCE_PATH = 'v1/logs';
const DEFAULT_COLLECTOR_URL = `http://localhost:4318/${DEFAULT_COLLECTOR_RESOURCE_PATH}`;
/**
* Collector Trace Exporter for Web
*/
export class OTLPLogsExporter
extends OTLPProtoExporterBrowserBase<
ReadableLogRecord,
IExportLogsServiceRequest
>
implements LogRecordExporter
{
constructor(config: OTLPExporterConfigBase = {}) {
super(config);
this._headers = Object.assign(
this._headers,
baggageUtils.parseKeyPairsIntoRecord(
getEnv().OTEL_EXPORTER_OTLP_LOGS_HEADERS
)
);
}
convert(logs: ReadableLogRecord[]): IExportLogsServiceRequest {
return createExportLogsServiceRequest(logs);
}
getDefaultUrl(config: OTLPExporterConfigBase): string {
return typeof config.url === 'string'
? config.url
: getEnv().OTEL_EXPORTER_OTLP_LOGS_ENDPOINT.length > 0
? appendRootPathToUrlIfNeeded(getEnv().OTEL_EXPORTER_OTLP_LOGS_ENDPOINT)
: getEnv().OTEL_EXPORTER_OTLP_ENDPOINT.length > 0
? appendResourcePathToUrl(
getEnv().OTEL_EXPORTER_OTLP_ENDPOINT,
DEFAULT_COLLECTOR_RESOURCE_PATH
)
: DEFAULT_COLLECTOR_URL;
}
getServiceClientType() {
return ServiceClientType.LOGS;
}
}

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/*
* 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.
*/
export { OTLPLogsExporter } from './OTLPLogsExporter';

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/*
* 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.
*/
export { OTLPLogsExporter } from './node';

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/*
* 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.
*/
import { getEnv, baggageUtils } from '@opentelemetry/core';
import {
OTLPExporterConfigBase,
appendResourcePathToUrl,
appendRootPathToUrlIfNeeded,
} from '@opentelemetry/otlp-exporter-base';
import {
OTLPProtoExporterNodeBase,
ServiceClientType,
} from '@opentelemetry/otlp-proto-exporter-base';
import {
createExportLogsServiceRequest,
IExportLogsServiceRequest,
} from '@opentelemetry/otlp-transformer';
import { ReadableLogRecord, LogRecordExporter } from '@opentelemetry/sdk-logs';
const DEFAULT_COLLECTOR_RESOURCE_PATH = 'v1/logs';
const DEFAULT_COLLECTOR_URL = `http://localhost:4318/${DEFAULT_COLLECTOR_RESOURCE_PATH}`;
/**
* Collector Trace Exporter for Node
*/
export class OTLPLogsExporter
extends OTLPProtoExporterNodeBase<
ReadableLogRecord,
IExportLogsServiceRequest
>
implements LogRecordExporter
{
constructor(config: OTLPExporterConfigBase = {}) {
super(config);
this.headers = Object.assign(
this.headers,
baggageUtils.parseKeyPairsIntoRecord(
getEnv().OTEL_EXPORTER_OTLP_LOGS_HEADERS
)
);
}
convert(logs: ReadableLogRecord[]): IExportLogsServiceRequest {
return createExportLogsServiceRequest(logs);
}
getDefaultUrl(config: OTLPExporterConfigBase): string {
return typeof config.url === 'string'
? config.url
: getEnv().OTEL_EXPORTER_OTLP_LOGS_ENDPOINT.length > 0
? appendRootPathToUrlIfNeeded(getEnv().OTEL_EXPORTER_OTLP_LOGS_ENDPOINT)
: getEnv().OTEL_EXPORTER_OTLP_ENDPOINT.length > 0
? appendResourcePathToUrl(
getEnv().OTEL_EXPORTER_OTLP_ENDPOINT,
DEFAULT_COLLECTOR_RESOURCE_PATH
)
: DEFAULT_COLLECTOR_URL;
}
getServiceClientType() {
return ServiceClientType.LOGS;
}
}

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@ -0,0 +1,17 @@
/*
* 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.
*/
export { OTLPLogsExporter } from './OTLPLogsExporter';

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@ -0,0 +1,50 @@
/*
* 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.
*/
import * as assert from 'assert';
import * as sinon from 'sinon';
import { OTLPLogsExporter } from '../../src/platform/browser/index';
describe('OTLPLogsExporter - web', () => {
let collectorLogsExporter: OTLPLogsExporter;
describe('constructor', () => {
let onInitSpy: any;
beforeEach(() => {
onInitSpy = sinon.stub(OTLPLogsExporter.prototype, 'onInit');
const collectorExporterConfig = {
hostname: 'foo',
url: 'http://foo.bar.com',
};
collectorLogsExporter = new OTLPLogsExporter(collectorExporterConfig);
});
afterEach(() => {
sinon.restore();
});
it('should create an instance', () => {
assert.ok(typeof collectorLogsExporter !== 'undefined');
});
it('should call onInit', () => {
assert.strictEqual(onInitSpy.callCount, 1);
});
it('should set hostname', () => {
assert.strictEqual(collectorLogsExporter.hostname, 'foo');
});
it('should set url', () => {
assert.strictEqual(collectorLogsExporter.url, 'http://foo.bar.com');
});
});
});

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@ -0,0 +1,20 @@
/*
* 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 testsContext = require.context('../browser', true, /test$/);
testsContext.keys().forEach(testsContext);
const srcContext = require.context('.', true, /src$/);
srcContext.keys().forEach(srcContext);

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@ -0,0 +1,186 @@
/*
* 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.
*/
import { HrTime, TraceFlags } from '@opentelemetry/api';
import { SeverityNumber } from '@opentelemetry/api-logs';
import { Resource } from '@opentelemetry/resources';
import * as assert from 'assert';
import { VERSION } from '@opentelemetry/core';
import {
IAnyValue,
IExportLogsServiceRequest,
IKeyValue,
ILogRecord,
IResource,
} from '@opentelemetry/otlp-transformer';
import { ReadableLogRecord } from '@opentelemetry/sdk-logs';
import { Stream } from 'stream';
export const mockedReadableLogRecord: ReadableLogRecord = {
resource: Resource.default().merge(
new Resource({
'resource-attribute': 'some resource-attr value',
})
),
instrumentationScope: {
name: 'scope_name_1',
version: '0.1.0',
schemaUrl: 'http://url.to.schema',
},
hrTime: [1680253513, 123241635] as HrTime,
hrTimeObserved: [1680253513, 123241635] as HrTime,
attributes: {
'some-attribute': 'some attribute value',
},
severityNumber: SeverityNumber.ERROR,
severityText: 'error',
body: 'some_log_body',
spanContext: {
traceFlags: TraceFlags.SAMPLED,
traceId: '1f1008dc8e270e85c40a0d7c3939b278',
spanId: '5e107261f64fa53e',
},
};
export function ensureExportedAttributesAreCorrect(attributes: IKeyValue[]) {
assert.deepStrictEqual(
attributes,
[
{
key: 'some-attribute',
value: {
stringValue: 'some attribute value',
},
},
],
'exported attributes are incorrect'
);
}
export function ensureExportedBodyIsCorrect(body?: IAnyValue) {
assert.deepStrictEqual(
body,
{ stringValue: 'some_log_body' },
'exported attributes are incorrect'
);
}
export function ensureExportedLogRecordIsCorrect(logRecord: ILogRecord) {
ensureExportedBodyIsCorrect(logRecord.body);
ensureExportedAttributesAreCorrect(logRecord.attributes);
assert.strictEqual(
logRecord.timeUnixNano,
'1680253513123241728',
'timeUnixNano is wrong'
);
assert.strictEqual(
logRecord.observedTimeUnixNano,
'1680253513123241728',
'observedTimeUnixNano is wrong'
);
assert.strictEqual(
logRecord.severityNumber,
'SEVERITY_NUMBER_ERROR',
'severityNumber is wrong'
);
assert.strictEqual(logRecord.severityText, 'error', 'severityText is wrong');
assert.strictEqual(
logRecord.droppedAttributesCount,
0,
'droppedAttributesCount is wrong'
);
assert.strictEqual(logRecord.flags, TraceFlags.SAMPLED, 'flags is wrong');
}
export function ensureResourceIsCorrect(resource: IResource) {
assert.deepStrictEqual(resource, {
attributes: [
{
key: 'service.name',
value: {
stringValue: `unknown_service:${process.argv0}`,
value: 'stringValue',
},
},
{
key: 'telemetry.sdk.language',
value: {
stringValue: 'nodejs',
value: 'stringValue',
},
},
{
key: 'telemetry.sdk.name',
value: {
stringValue: 'opentelemetry',
value: 'stringValue',
},
},
{
key: 'telemetry.sdk.version',
value: {
stringValue: VERSION,
value: 'stringValue',
},
},
{
key: 'resource-attribute',
value: {
stringValue: 'some resource-attr value',
value: 'stringValue',
},
},
],
droppedAttributesCount: 0,
});
}
export function ensureExportLogsServiceRequestIsSet(
json: IExportLogsServiceRequest
) {
const resourceLogs = json.resourceLogs;
assert.strictEqual(resourceLogs?.length, 1, 'resourceLogs is missing');
const resource = resourceLogs?.[0].resource;
assert.ok(resource, 'resource is missing');
const scopeLogs = resourceLogs?.[0].scopeLogs;
assert.strictEqual(scopeLogs?.length, 1, 'scopeLogs is missing');
const scope = scopeLogs?.[0].scope;
assert.ok(scope, 'scope is missing');
const logRecords = scopeLogs?.[0].logRecords;
assert.strictEqual(logRecords?.length, 1, 'logs are missing');
}
export class MockedResponse extends Stream {
constructor(private _code: number, private _msg?: string) {
super();
}
send(data: string) {
this.emit('data', data);
this.emit('end');
}
get statusCode() {
return this._code;
}
get statusMessage() {
return this._msg;
}
}

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@ -0,0 +1,416 @@
/*
* 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.
*/
import { diag } from '@opentelemetry/api';
import { ExportResultCode } from '@opentelemetry/core';
import * as assert from 'assert';
import * as http from 'http';
import * as sinon from 'sinon';
import { Stream, PassThrough } from 'stream';
import * as zlib from 'zlib';
import { OTLPLogsExporter } from '../../src';
import {
ensureExportLogsServiceRequestIsSet,
ensureExportedLogRecordIsCorrect,
mockedReadableLogRecord,
MockedResponse,
} from '../logHelper';
import {
CompressionAlgorithm,
OTLPExporterNodeConfigBase,
OTLPExporterError,
} from '@opentelemetry/otlp-exporter-base';
import {
getExportRequestProto,
ServiceClientType,
} from '@opentelemetry/otlp-proto-exporter-base';
import { IExportLogsServiceRequest } from '@opentelemetry/otlp-transformer';
import { ReadableLogRecord } from '@opentelemetry/sdk-logs';
let fakeRequest: PassThrough;
describe('OTLPLogsExporter - node with proto over http', () => {
let collectorExporter: OTLPLogsExporter;
let collectorExporterConfig: OTLPExporterNodeConfigBase;
let logs: ReadableLogRecord[];
afterEach(() => {
fakeRequest = new Stream.PassThrough();
sinon.restore();
});
describe('when configuring via environment', () => {
const envSource = process.env;
it('should use url defined in env that ends with root path and append version and signal path', () => {
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = 'http://foo.bar/';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_ENDPOINT}v1/logs`
);
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = '';
});
it('should use url defined in env without checking if path is already present', () => {
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = 'http://foo.bar/v1/logs';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_ENDPOINT}/v1/logs`
);
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = '';
});
it('should use url defined in env and append version and signal', () => {
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = 'http://foo.bar';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_ENDPOINT}/v1/logs`
);
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = '';
});
it('should override global exporter url with signal url defined in env', () => {
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = 'http://foo.bar/';
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'http://foo.logs/';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT
);
envSource.OTEL_EXPORTER_OTLP_ENDPOINT = '';
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = '';
});
it('should add root path when signal url defined in env contains no path and no root path', () => {
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'http://foo.bar';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT}/`
);
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = '';
});
it('should not add root path when signal url defined in env contains root path but no path', () => {
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'http://foo.bar/';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT}`
);
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = '';
});
it('should not add root path when signal url defined in env contains path', () => {
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'http://foo.bar/v1/logs';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT}`
);
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = '';
});
it('should not add root path when signal url defined in env contains path and ends in /', () => {
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = 'http://foo.bar/v1/logs/';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(
collectorExporter.url,
`${envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT}`
);
envSource.OTEL_EXPORTER_OTLP_LOGS_ENDPOINT = '';
});
it('should use headers defined via env', () => {
envSource.OTEL_EXPORTER_OTLP_LOGS_HEADERS = 'foo=bar';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(collectorExporter.headers.foo, 'bar');
envSource.OTEL_EXPORTER_OTLP_HEADERS = '';
});
it('should override global headers config with signal headers defined via env', () => {
envSource.OTEL_EXPORTER_OTLP_HEADERS = 'foo=bar,bar=foo';
envSource.OTEL_EXPORTER_OTLP_LOGS_HEADERS = 'foo=boo';
const collectorExporter = new OTLPLogsExporter();
assert.strictEqual(collectorExporter.headers.foo, 'boo');
assert.strictEqual(collectorExporter.headers.bar, 'foo');
envSource.OTEL_EXPORTER_OTLP_LOGS_HEADERS = '';
envSource.OTEL_EXPORTER_OTLP_HEADERS = '';
});
});
describe('export', () => {
beforeEach(() => {
collectorExporterConfig = {
headers: {
foo: 'bar',
},
hostname: 'foo',
url: 'http://foo.bar.com',
keepAlive: true,
httpAgentOptions: { keepAliveMsecs: 2000 },
};
collectorExporter = new OTLPLogsExporter(collectorExporterConfig);
logs = [];
logs.push(Object.assign({}, mockedReadableLogRecord));
});
afterEach(() => {
sinon.restore();
});
it('should open the connection', done => {
collectorExporter.export(logs, () => {});
sinon.stub(http, 'request').callsFake((options: any, cb: any) => {
assert.strictEqual(options.hostname, 'foo.bar.com');
assert.strictEqual(options.method, 'POST');
assert.strictEqual(options.path, '/');
const mockRes = new MockedResponse(200);
cb(mockRes);
mockRes.send('success');
done();
return fakeRequest as any;
});
});
it('should set custom headers', done => {
collectorExporter.export(logs, () => {});
sinon.stub(http, 'request').callsFake((options: any, cb: any) => {
assert.strictEqual(options.headers['foo'], 'bar');
const mockRes = new MockedResponse(200);
cb(mockRes);
mockRes.send('success');
done();
return fakeRequest as any;
});
});
it('should have keep alive and keepAliveMsecs option set', done => {
collectorExporter.export(logs, () => {});
sinon.stub(http, 'request').callsFake((options: any, cb: any) => {
assert.strictEqual(options.agent.keepAlive, true);
assert.strictEqual(options.agent.options.keepAliveMsecs, 2000);
const mockRes = new MockedResponse(200);
cb(mockRes);
mockRes.send('success');
done();
return fakeRequest as any;
});
});
it('should successfully send the logs', done => {
const fakeRequest = new Stream.PassThrough();
sinon.stub(http, 'request').returns(fakeRequest as any);
let buff = Buffer.from('');
fakeRequest.on('end', () => {
const ExportLogsServiceRequestProto = getExportRequestProto(
ServiceClientType.LOGS
);
const data = ExportLogsServiceRequestProto.decode(buff);
const json = data?.toJSON() as IExportLogsServiceRequest;
const log1 = json.resourceLogs?.[0].scopeLogs?.[0].logRecords?.[0];
assert.ok(typeof log1 !== 'undefined', "log doesn't exist");
ensureExportedLogRecordIsCorrect(log1);
ensureExportLogsServiceRequestIsSet(json);
done();
});
fakeRequest.on('data', chunk => {
buff = Buffer.concat([buff, chunk]);
});
const clock = sinon.useFakeTimers();
collectorExporter.export(logs, () => {});
clock.tick(200);
clock.restore();
});
it('should log the successful message', done => {
// Need to stub/spy on the underlying logger as the "diag" instance is global
const spyLoggerError = sinon.stub(diag, 'error');
collectorExporter.export(logs, result => {
assert.strictEqual(result.code, ExportResultCode.SUCCESS);
assert.strictEqual(spyLoggerError.args.length, 0);
done();
});
sinon.stub(http, 'request').callsFake((options: any, cb: any) => {
const mockRes = new MockedResponse(200);
cb(mockRes);
mockRes.send('success');
return fakeRequest as any;
});
});
it('should log the error message', done => {
collectorExporter.export(logs, result => {
assert.strictEqual(result.code, ExportResultCode.FAILED);
// @ts-expect-error verify error code
assert.strictEqual(result.error.code, 400);
done();
});
sinon.stub(http, 'request').callsFake((options: any, cb: any) => {
const mockResError = new MockedResponse(400);
cb(mockResError);
mockResError.send('failed');
return fakeRequest as any;
});
});
});
describe('export - with compression', () => {
beforeEach(() => {
collectorExporterConfig = {
headers: {
foo: 'bar',
},
hostname: 'foo',
url: 'http://foo.bar.com',
keepAlive: true,
compression: CompressionAlgorithm.GZIP,
httpAgentOptions: { keepAliveMsecs: 2000 },
};
collectorExporter = new OTLPLogsExporter(collectorExporterConfig);
logs = [];
logs.push(Object.assign({}, mockedReadableLogRecord));
});
afterEach(() => {
sinon.restore();
});
it('should successfully send the logs', done => {
const fakeRequest = new Stream.PassThrough();
sinon.stub(http, 'request').returns(fakeRequest as any);
const spySetHeader = sinon.spy();
(fakeRequest as any).setHeader = spySetHeader;
let buff = Buffer.from('');
fakeRequest.on('end', () => {
const unzippedBuff = zlib.gunzipSync(buff);
const ExportLogsServiceRequestProto = getExportRequestProto(
ServiceClientType.LOGS
);
const data = ExportLogsServiceRequestProto.decode(unzippedBuff);
const json = data?.toJSON() as IExportLogsServiceRequest;
const log1 = json.resourceLogs?.[0].scopeLogs?.[0].logRecords?.[0];
assert.ok(typeof log1 !== 'undefined', "log doesn't exist");
ensureExportedLogRecordIsCorrect(log1);
ensureExportLogsServiceRequestIsSet(json);
assert.ok(spySetHeader.calledWith('Content-Encoding', 'gzip'));
done();
});
fakeRequest.on('data', chunk => {
buff = Buffer.concat([buff, chunk]);
});
const clock = sinon.useFakeTimers();
collectorExporter.export(logs, () => {});
clock.tick(200);
clock.restore();
});
});
});
describe('export - real http request destroyed before response received', () => {
let collectorExporter: OTLPLogsExporter;
let collectorExporterConfig: OTLPExporterNodeConfigBase;
let logs: ReadableLogRecord[];
const server = http.createServer((_, res) => {
setTimeout(() => {
res.statusCode = 200;
res.end();
}, 200);
});
before(done => {
server.listen(8082, done);
});
after(done => {
server.close(done);
});
it('should log the timeout request error message when timeout is 1', done => {
collectorExporterConfig = {
url: 'http://localhost:8082',
timeoutMillis: 1,
};
collectorExporter = new OTLPLogsExporter(collectorExporterConfig);
logs = [];
logs.push(Object.assign({}, mockedReadableLogRecord));
collectorExporter.export(logs, result => {
assert.strictEqual(result.code, ExportResultCode.FAILED);
const error = result.error as OTLPExporterError;
assert.ok(error !== undefined);
assert.strictEqual(error.message, 'Request Timeout');
done();
});
});
it('should log the timeout request error message when timeout is 100', done => {
collectorExporterConfig = {
url: 'http://localhost:8082',
timeoutMillis: 100,
};
collectorExporter = new OTLPLogsExporter(collectorExporterConfig);
logs = [];
logs.push(Object.assign({}, mockedReadableLogRecord));
collectorExporter.export(logs, result => {
assert.strictEqual(result.code, ExportResultCode.FAILED);
const error = result.error as OTLPExporterError;
assert.ok(error !== undefined);
assert.strictEqual(error.message, 'Request Timeout');
done();
});
});
});
describe('export - real http request destroyed after response received', () => {
let collectorExporter: OTLPLogsExporter;
let collectorExporterConfig: OTLPExporterNodeConfigBase;
let logs: ReadableLogRecord[];
const server = http.createServer((_, res) => {
res.write('writing something');
});
before(done => {
server.listen(8082, done);
});
after(done => {
server.close(done);
});
it('should log the timeout request error message', done => {
collectorExporterConfig = {
url: 'http://localhost:8082',
timeoutMillis: 300,
};
collectorExporter = new OTLPLogsExporter(collectorExporterConfig);
logs = [];
logs.push(Object.assign({}, mockedReadableLogRecord));
collectorExporter.export(logs, result => {
assert.strictEqual(result.code, ExportResultCode.FAILED);
const error = result.error as OTLPExporterError;
assert.ok(error !== undefined);
assert.strictEqual(error.message, 'Request Timeout');
done();
});
});
});

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@ -0,0 +1,40 @@
{
"extends": "../../../tsconfig.base.esm.json",
"compilerOptions": {
"outDir": "build/esm",
"rootDir": "src",
"tsBuildInfoFile": "build/esm/tsconfig.esm.tsbuildinfo"
},
"include": [
"src/**/*.ts"
],
"references": [
{
"path": "../../../api"
},
{
"path": "../../../packages/opentelemetry-core"
},
{
"path": "../../../packages/opentelemetry-resources"
},
{
"path": "../../../packages/opentelemetry-sdk-trace-base"
},
{
"path": "../api-logs"
},
{
"path": "../otlp-exporter-base"
},
{
"path": "../otlp-proto-exporter-base"
},
{
"path": "../otlp-transformer"
},
{
"path": "../sdk-logs"
}
]
}

View File

@ -0,0 +1,40 @@
{
"extends": "../../../tsconfig.base.esnext.json",
"compilerOptions": {
"outDir": "build/esnext",
"rootDir": "src",
"tsBuildInfoFile": "build/esnext/tsconfig.esnext.tsbuildinfo"
},
"include": [
"src/**/*.ts"
],
"references": [
{
"path": "../../../api"
},
{
"path": "../../../packages/opentelemetry-core"
},
{
"path": "../../../packages/opentelemetry-resources"
},
{
"path": "../../../packages/opentelemetry-sdk-trace-base"
},
{
"path": "../api-logs"
},
{
"path": "../otlp-exporter-base"
},
{
"path": "../otlp-proto-exporter-base"
},
{
"path": "../otlp-transformer"
},
{
"path": "../sdk-logs"
}
]
}

View File

@ -0,0 +1,40 @@
{
"extends": "../../../tsconfig.base.json",
"compilerOptions": {
"outDir": "build",
"rootDir": "."
},
"include": [
"src/**/*.ts",
"test/**/*.ts"
],
"references": [
{
"path": "../../../api"
},
{
"path": "../../../packages/opentelemetry-core"
},
{
"path": "../../../packages/opentelemetry-resources"
},
{
"path": "../../../packages/opentelemetry-sdk-trace-base"
},
{
"path": "../api-logs"
},
{
"path": "../otlp-exporter-base"
},
{
"path": "../otlp-proto-exporter-base"
},
{
"path": "../otlp-transformer"
},
{
"path": "../sdk-logs"
}
]
}

View File

@ -22,13 +22,8 @@ import {
OTLPExporterConfigBase,
sendWithXhr,
} from '@opentelemetry/otlp-exporter-base';
import * as root from '../../generated/root';
interface ExportRequestType<T, R = T & { toJSON: () => unknown }> {
create(properties?: T): R;
encode(message: T, writer?: protobuf.Writer): protobuf.Writer;
decode(reader: protobuf.Reader | Uint8Array, length?: number): R;
}
import { getExportRequestProto } from '../util';
/**
* Collector Exporter abstract base class
@ -41,18 +36,6 @@ export abstract class OTLPProtoExporterBrowserBase<
super(config);
}
private _getExportRequestProto(
clientType: ServiceClientType
): ExportRequestType<ServiceRequest> {
if (clientType === ServiceClientType.SPANS) {
// eslint-disable-next-line
return root.opentelemetry.proto.collector.trace.v1.ExportTraceServiceRequest as unknown as ExportRequestType<ServiceRequest>;
} else {
// eslint-disable-next-line
return root.opentelemetry.proto.collector.metrics.v1.ExportMetricsServiceRequest as unknown as ExportRequestType<ServiceRequest>;
}
}
override send(
objects: ExportItem[],
onSuccess: () => void,
@ -64,7 +47,7 @@ export abstract class OTLPProtoExporterBrowserBase<
}
const serviceRequest = this.convert(objects);
const exportRequestType = this._getExportRequestProto(
const exportRequestType = getExportRequestProto(
this.getServiceClientType()
);
const message = exportRequestType.create(serviceRequest);

View File

@ -14,11 +14,7 @@
* limitations under the License.
*/
export {
OTLPProtoExporterNodeBase,
ExportRequestType,
getExportRequestProto,
send,
} from './node';
export { OTLPProtoExporterNodeBase, send } from './node';
export { OTLPProtoExporterBrowserBase } from './browser';
export { ServiceClientType } from './types';
export { ExportRequestType, getExportRequestProto } from './util';

View File

@ -15,4 +15,4 @@
*/
export { OTLPProtoExporterNodeBase } from './OTLPProtoExporterNodeBase';
export { ExportRequestType, getExportRequestProto, send } from './util';
export { send } from './util';

View File

@ -14,33 +14,14 @@
* limitations under the License.
*/
import { ServiceClientType } from '../types';
import { OTLPProtoExporterNodeBase } from './OTLPProtoExporterNodeBase';
import {
CompressionAlgorithm,
OTLPExporterError,
sendWithHttp,
} from '@opentelemetry/otlp-exporter-base';
import type * as protobuf from 'protobufjs';
import * as root from '../../generated/root';
export interface ExportRequestType<T, R = T & { toJSON: () => unknown }> {
create(properties?: T): R;
encode(message: T, writer?: protobuf.Writer): protobuf.Writer;
decode(reader: protobuf.Reader | Uint8Array, length?: number): R;
}
export function getExportRequestProto<ServiceRequest>(
clientType: ServiceClientType
): ExportRequestType<ServiceRequest> {
if (clientType === ServiceClientType.SPANS) {
return root.opentelemetry.proto.collector.trace.v1
.ExportTraceServiceRequest as unknown as ExportRequestType<ServiceRequest>;
} else {
return root.opentelemetry.proto.collector.metrics.v1
.ExportMetricsServiceRequest as unknown as ExportRequestType<ServiceRequest>;
}
}
import { getExportRequestProto } from '../util';
export function send<ExportItem, ServiceRequest>(
collector: OTLPProtoExporterNodeBase<ExportItem, ServiceRequest>,

View File

@ -17,4 +17,5 @@
export enum ServiceClientType {
SPANS,
METRICS,
LOGS,
}

View File

@ -0,0 +1,39 @@
/*
* 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.
*/
import * as root from '../generated/root';
import { ServiceClientType } from './types';
export interface ExportRequestType<T, R = T & { toJSON: () => unknown }> {
create(properties?: T): R;
encode(message: T, writer?: protobuf.Writer): protobuf.Writer;
decode(reader: protobuf.Reader | Uint8Array, length?: number): R;
}
export function getExportRequestProto<ServiceRequest>(
clientType: ServiceClientType
): ExportRequestType<ServiceRequest> {
if (clientType === ServiceClientType.SPANS) {
return root.opentelemetry.proto.collector.trace.v1
.ExportTraceServiceRequest as unknown as ExportRequestType<ServiceRequest>;
} else if (clientType === ServiceClientType.LOGS) {
return root.opentelemetry.proto.collector.logs.v1
.ExportLogsServiceRequest as unknown as ExportRequestType<ServiceRequest>;
} else {
return root.opentelemetry.proto.collector.metrics.v1
.ExportMetricsServiceRequest as unknown as ExportRequestType<ServiceRequest>;
}
}

View File

@ -14,6 +14,9 @@
{
"path": "experimental/packages/exporter-logs-otlp-http/tsconfig.esm.json"
},
{
"path": "experimental/packages/exporter-logs-otlp-proto/tsconfig.esm.json"
},
{
"path": "experimental/packages/exporter-trace-otlp-http/tsconfig.esm.json"
},

View File

@ -14,6 +14,9 @@
{
"path": "experimental/packages/exporter-logs-otlp-http/tsconfig.esnext.json"
},
{
"path": "experimental/packages/exporter-logs-otlp-proto/tsconfig.esnext.json"
},
{
"path": "experimental/packages/exporter-trace-otlp-http/tsconfig.esnext.json"
},

View File

@ -9,6 +9,7 @@
"experimental/packages/api-logs",
"experimental/packages/exporter-logs-otlp-grpc",
"experimental/packages/exporter-logs-otlp-http",
"experimental/packages/exporter-logs-otlp-proto",
"experimental/packages/exporter-trace-otlp-grpc",
"experimental/packages/exporter-trace-otlp-http",
"experimental/packages/exporter-trace-otlp-proto",
@ -71,6 +72,9 @@
{
"path": "experimental/packages/exporter-logs-otlp-http"
},
{
"path": "experimental/packages/exporter-logs-otlp-proto"
},
{
"path": "experimental/packages/exporter-trace-otlp-grpc"
},