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#!/bin/sh
# The default Debian ntp.conf enables logging of various statistics to
# the /var/log/ntpstats directory. The daemon automatically changes
# to a new datestamped set of files at midnight, so all we need to do
# is delete old ones, and compress the ones we're keeping so disk
# usage is controlled.
statsdir=$(cat /etc/ntp.conf | grep -v '^#' | sed -n 's/statsdir \([^ ][^ ]*\)/\1/p')
if [ -n "$statsdir" ] && [ -d "$statsdir" ]; then
# only keep a week's depth of these
find "$statsdir" -type f -mtime +7 -exec rm {} \;
# compress whatever is left to save space
cd "$statsdir"
ls loopstats.???????? peerstats.???????? > /dev/null 2>&1
if [ $? -eq 0 ]; then
# Note that gzip won't compress the file names that
# are hard links to the live/current files, so this
# compresses yesterday and previous, leaving the live
# log alone. We supress the warnings gzip issues
# about not compressing the linked file.
gzip --best --quiet loopstats.???????? peerstats.????????
return=$?
case $return in
2)
exit 0 # squash all warnings
;;
*)
exit $return # but let real errors through
;;
esac
fi
fi