log-generator

Log Generator

This utility was designed to generate logs for winston or pino. It can be used to do performance testing of the application logging in agent.

Getting Started

Note: You must have Node.js installed and a New Relic license key.

Install Node.js with nvm

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
nvm install 16

Prepare Utility

By default this utility will enrich and forward logs to New Relic One staging environment.

npm ci

The top of the utility contains a series of environment variables that can change the behavior Edit log-generator.js and fill in

process.env.NEW_RELIC_APP_NAME = 'log-generator'
// process.env.NEW_RELIC_LICENSE_KEY = <your-license-key>

Run Utility

node log-generator.js

You can change the size, interval, count, duration and log library via CLI flags.

node log-generator.js --help

Options:
      --version   Show version number                                  [boolean]
  -l, --logtype   which logger to use
                      [string] [choices: "winston", "pino"] [default: "winston"]
  -i, --interval  interval in milliseconds to wait between each round of log
                  messages                               [number] [default: 200]
  -c, --count     number of log messages to produce at each round
                                                           [number] [default: 1]
  -s, --size      size of each log message, in characters[number] [default: 128]
  -d, --duration  how many seconds to run for (use 0 seconds to run forever)
                                                           [number] [default: 0]
      --help      Show help                                            [boolean]