/*
 * 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 { SEMRESATTRS_PROCESS_COMMAND, SEMRESATTRS_PROCESS_COMMAND_ARGS, SEMRESATTRS_PROCESS_EXECUTABLE_NAME, SEMRESATTRS_PROCESS_EXECUTABLE_PATH, SEMRESATTRS_PROCESS_OWNER, SEMRESATTRS_PROCESS_PID, SEMRESATTRS_PROCESS_RUNTIME_DESCRIPTION, SEMRESATTRS_PROCESS_RUNTIME_NAME, SEMRESATTRS_PROCESS_RUNTIME_VERSION, } from '@opentelemetry/semantic-conventions';
import * as os from 'os';
/**
 * ProcessDetector will be used to detect the resources related current process running
 * and being instrumented from the NodeJS Process module.
 */
class ProcessDetector {
    detect(_config) {
        const attributes = {
            [SEMRESATTRS_PROCESS_PID]: process.pid,
            [SEMRESATTRS_PROCESS_EXECUTABLE_NAME]: process.title,
            [SEMRESATTRS_PROCESS_EXECUTABLE_PATH]: process.execPath,
            [SEMRESATTRS_PROCESS_COMMAND_ARGS]: [
                process.argv[0],
                ...process.execArgv,
                ...process.argv.slice(1),
            ],
            [SEMRESATTRS_PROCESS_RUNTIME_VERSION]: process.versions.node,
            [SEMRESATTRS_PROCESS_RUNTIME_NAME]: 'nodejs',
            [SEMRESATTRS_PROCESS_RUNTIME_DESCRIPTION]: 'Node.js',
        };
        if (process.argv.length > 1) {
            attributes[SEMRESATTRS_PROCESS_COMMAND] = process.argv[1];
        }
        try {
            const userInfo = os.userInfo();
            attributes[SEMRESATTRS_PROCESS_OWNER] = userInfo.username;
        }
        catch (e) {
            diag.debug(`error obtaining process owner: ${e}`);
        }
        return { attributes };
    }
}
export const processDetector = new ProcessDetector();
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