File: //etc/logrotate.d/waagent.logrotate
/var/log/waagent.log {
# Old versions of log files are compressed with gzip by default.
compress
# Rotate log files > 20 MB, and keep last 50 archived files. With an compression ratio ranging from 5-10%, The
# archived files would take an average of around 50-100 MB. Even for extremely chatty agent, the average size of
# the compressed files would not go beyond ~2 MB per day.
size 20M
rotate 50
# Add date as extension when rotating logs
dateext
# Formatting the date extension to YYYY-MM-DD-SSSSSSS format. logrotate does not provide hours, mins and seconds
# option. Adding the %s (system clock epoch time) to differentiate rotated log files within the same day.
dateformat -%Y-%m-%d-%s
# Do not rotate the log if it is empty
notifempty
# If the log file is missing, go on to the next one without issuing an error message.
missingok
}