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/*!
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*
*/
import * as os from 'os';
export type AgentConfig = {
serviceName?: string;
serviceInstance?: string;
collectorAddress?: string;
authorization?: string;
maxBufferSize?: number;
disablePlugins?: string;
ignoreSuffix?: string;
traceIgnorePath?: string;
sqlTraceParameters?: boolean;
sqlParametersMaxLength?: number;
mongoTraceParameters?: boolean;
mongoParametersMaxLength?: number;
// the following is internal state computed from config values
reDisablePlugins?: RegExp;
reIgnoreOperation?: RegExp;
};
export function finalizeConfig(config: AgentConfig): void {
const escapeRegExp = (s: string) => s.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
config.reDisablePlugins = RegExp(`^(?:${config.disablePlugins!.split(',').map((s) => escapeRegExp(s.trim())).join('|')})$`, 'i');
const ignoreSuffix =`^.+(?:${config.ignoreSuffix!.split(',').map((s) => escapeRegExp(s.trim())).join('|')})$`;
const ignorePath = '^(?:' + config.traceIgnorePath!.split(',').map(
(s1) => s1.trim().split('**').map(
(s2) => s2.split('*').map(
(s3) => s3.split('?').map(escapeRegExp).join('[^/]') // replaces "?"
).join('[^/]*') // replaces "*"
).join('(?:(?:[^/]+/)*[^/]+)?') // replaces "**"
).join('|') + ')$'; // replaces ","
config.reIgnoreOperation = RegExp(`${ignoreSuffix}|${ignorePath}`);
}
export default {
serviceName: process.env.SW_AGENT_NAME || 'your-nodejs-service',
serviceInstance:
process.env.SW_AGENT_INSTANCE ||
((): string => {
return os.hostname();
})(),
collectorAddress: process.env.SW_AGENT_COLLECTOR_BACKEND_SERVICES || '127.0.0.1:11800',
authorization: process.env.SW_AGENT_AUTHENTICATION,
maxBufferSize: Number.isSafeInteger(process.env.SW_AGENT_MAX_BUFFER_SIZE) ?
Number.parseInt(process.env.SW_AGENT_MAX_BUFFER_SIZE as string, 10) : 1000,
disablePlugins: process.env.SW_AGENT_DISABLE_PLUGINS || '',
ignoreSuffix: process.env.SW_IGNORE_SUFFIX ?? '.jpg,.jpeg,.js,.css,.png,.bmp,.gif,.ico,.mp3,.mp4,.html,.svg',
traceIgnorePath: process.env.SW_TRACE_IGNORE_PATH || '',
sqlTraceParameters: (process.env.SW_SQL_TRACE_PARAMETERS || '').toLowerCase() === 'true',
sqlParametersMaxLength: Math.trunc(Math.max(0, Number(process.env.SW_SQL_PARAMETERS_MAX_LENGTH))) || 512,
mongoTraceParameters: (process.env.SW_MONGO_TRACE_PARAMETERS || '').toLowerCase() === 'true',
mongoParametersMaxLength: Math.trunc(Math.max(0, Number(process.env.SW_MONGO_PARAMETERS_MAX_LENGTH))) || 512,
reDisablePlugins: RegExp(''), // temporary placeholder so Typescript doesn't throw a fit
reIgnoreOperation: RegExp(''),
};