Feature/Log Rotation

[faraonc]

Description

As a developer, logs need to rotated and written in a file.

Although I am open for other and newer libraries, I recommend using the library https://github.com/natefinch/lumberjack and read the entirety of this issue sirupsen/logrus#679

Story Points

3

Definitions of Done

• logs are typically saved in /var/log/<app_name>/app.log (absolute path)
• rotate logs daily and if the size is 124 MB
• logs are retained for 28 days
• maximum number of backed-up logs is 60
• UTC time is used
• file should be compressed using gzip
• unit test possibly needing a global & singleton clock to change the day.
• a GoLang package implementation in hwsc-lib
• a Python module implementation in hwsc-lib