Test files creator

Description

Creates files with random content using common bash expressions and tools. The size of the files is specified in bytes.

Parameters

• [REQUIRED] -o, --output: folder where files will be saved;
• [REQUIRED] -s, --size: size of the files to be created;
• [REQUIRED] -n, --n_files: number of files to create;
• [OPTIONAL] -v, --verbose: prints verbose output. Affects performance;
• [OPTIONAL] -p, --progress: shows progress bar. Affects performance;
• [OPTIONAL] -l, --log: saves a log file in the location provided. Affects performance;
• [OPTIONAL] -csv, --csv: saves log file in csv format;
• [OPTIONAL] -h, --hash: includes hash in log file when --csv is enabled. Supported values: md5 and sha256;
• [OPTIONAL] --help: prints help.

Example

Create 5 files in the folder /tmp, with 1 MB of size each.

./test-files-creator.sh -o=/tmp -s=1024 -n=5 -l=/tmp/log.csv -csv -h=md5 -p

---

Dockerfile

An alpine-based docker image is available in DockerHub. To run the container, mount the path where files will be created in /data and provide the necessary environment variables. To save the logs, also mount a folder to /log.

docker run \
  --mount type=bind,src=/tmp,dst=/log \
  --mount type=bind,src=/tmp,dst=/data \
  -e "size=1000" \
  -e "n_files=10" \
  -e "csv=true" \
  -e "hash=sha256" \
  -e "progressbar=true" \
  -e "verbose=true" \
  matuzalemmuller/test-files-creator:latest

Supported environment variables

Key	Description
size	Size of the files to be created (in bytes)
n_files	Number of files to be created
csv	true saves the log output in csv
hash	Includes hash in log file when csv is enabled. Supported values: md5 and sha256
verbose	true enables verbose output
progressbar	true enables the progress bar