@opentelemetry/otlp-exporter-base
Version:
OpenTelemetry OTLP Exporter base (for internal use only)
124 lines • 4.23 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createHttpAgent = exports.compressAndSend = exports.sendWithHttp = 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 http = require("http");
const https = require("https");
const zlib = require("zlib");
const stream_1 = require("stream");
const is_export_retryable_1 = require("../is-export-retryable");
const types_1 = require("../types");
/**
* Sends data using http
* @param params
* @param agent
* @param data
* @param onDone
* @param timeoutMillis
*/
function sendWithHttp(params, agent, data, onDone, timeoutMillis) {
const parsedUrl = new URL(params.url);
const nodeVersion = Number(process.versions.node.split('.')[0]);
const options = {
hostname: parsedUrl.hostname,
port: parsedUrl.port,
path: parsedUrl.pathname,
method: 'POST',
headers: {
...params.headers(),
},
agent: agent,
};
const request = parsedUrl.protocol === 'http:' ? http.request : https.request;
const req = request(options, (res) => {
const responseData = [];
res.on('data', chunk => responseData.push(chunk));
res.on('end', () => {
if (res.statusCode && res.statusCode < 299) {
onDone({
status: 'success',
data: Buffer.concat(responseData),
});
}
else if (res.statusCode && (0, is_export_retryable_1.isExportRetryable)(res.statusCode)) {
onDone({
status: 'retryable',
retryInMillis: (0, is_export_retryable_1.parseRetryAfterToMills)(res.headers['retry-after']),
});
}
else {
const error = new types_1.OTLPExporterError(res.statusMessage, res.statusCode, Buffer.concat(responseData).toString());
onDone({
status: 'failure',
error,
});
}
});
});
req.setTimeout(timeoutMillis, () => {
req.destroy();
onDone({
status: 'failure',
error: new Error('Request Timeout'),
});
});
req.on('error', (error) => {
onDone({
status: 'failure',
error,
});
});
const reportTimeoutErrorEvent = nodeVersion >= 14 ? 'close' : 'abort';
req.on(reportTimeoutErrorEvent, () => {
onDone({
status: 'failure',
error: new Error('Request timed out'),
});
});
compressAndSend(req, params.compression, data, (error) => {
onDone({
status: 'failure',
error,
});
});
}
exports.sendWithHttp = sendWithHttp;
function compressAndSend(req, compression, data, onError) {
let dataStream = readableFromUint8Array(data);
if (compression === 'gzip') {
req.setHeader('Content-Encoding', 'gzip');
dataStream = dataStream
.on('error', onError)
.pipe(zlib.createGzip())
.on('error', onError);
}
dataStream.pipe(req).on('error', onError);
}
exports.compressAndSend = compressAndSend;
function readableFromUint8Array(buff) {
const readable = new stream_1.Readable();
readable.push(buff);
readable.push(null);
return readable;
}
function createHttpAgent(rawUrl, agentOptions) {
const parsedUrl = new URL(rawUrl);
const Agent = parsedUrl.protocol === 'http:' ? http.Agent : https.Agent;
return new Agent(agentOptions);
}
exports.createHttpAgent = createHttpAgent;
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