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Fake Apache Log Generator

This script generates a boatload of fake apache logs very quickly. Its useful for generating fake workloads for data ingest and/or analytics applications.

It can write log lines to console, to log files or directly to gzip files.

It utilizes the excellent Faker library to generate realistic ip's, URI's etc.

Requirements

  • Python 3.10.10

Generating Fake logs for Infino

  1. Install pyenv.
  2. Setup your shell to automatically activate virtual env assigned to a directory.
  3. Install python 3.10.10 using pyenv. 
    pyenv install 3.10.10
  4. Create a virtual env based on python 3.10.10 
    pyenv virtualenv 3.10.10 py-3.10.10
  5. Set the new virtualenv as the default for the Fake-Apache-Log-Generator directory. 
    cd <Path to Fake-Apache-Log-Generator>
pyenv local py-3.10.10
  6. Install the dependencies using pip install -r requirements.txt
  7. Run the fake log generator and specify the size of the log file to be generated. 
    python apache-fake-log-gen.py --size 10g &> Apache-10G.log &`

Detailed help

$ python apache-fake-log-gen.py -h
usage: apache-fake-log-gen.py [-h] [--output {LOG,GZ,CONSOLE}]
                              [--num NUM_LINES] [--prefix FILE_PREFIX]
                              [--sleep SLEEP] [--size FILE_SIZE]

Fake Apache Log Generator

optional arguments:
  -h, --help            show this help message and exit
  --output {LOG,GZ,CONSOLE}, -o {LOG,GZ,CONSOLE}
                        Write to a Log file, a gzip file or to STDOUT
  --num NUM_LINES, -n NUM_LINES
                        Number of lines to generate (0 for infinite)
  --prefix FILE_PREFIX, -p FILE_PREFIX
                        Prefix the output file name
  --sleep SLEEP, -s SLEEP
                        Sleep this long between lines (in seconds)
  --size FILE_SIZE, -z FILE_SIZE
                        Size limit of the generated file (e.g., 100k, 10m, 1g)

Usage in Docker

Build the image:

docker build -t apache-fake-log-gen .

Run the application, and provide application command line arguments as Docker CMD args:

docker run --rm apache-fake-log-gen -n 10 -s 1

NOTE: -o LOG option does not work in this case.

License

This script is released under the Apache version 2 license.