mirror of
https://github.com/pi-hole/pi-hole
synced 2024-11-18 14:18:15 +00:00
76 lines
2.9 KiB
Bash
Executable File
76 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Pi-hole: A black hole for Internet advertisements
|
|
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
|
|
# Network-wide ad blocking via your own hardware.
|
|
#
|
|
# Flushes Pi-hole's log file
|
|
#
|
|
# This file is copyright under the latest version of the EUPL.
|
|
# Please see LICENSE file for your rights under this license.
|
|
|
|
colfile="/opt/pihole/COL_TABLE"
|
|
source ${colfile}
|
|
|
|
# In case we're running at the same time as a system logrotate, use a
|
|
# separate logrotate state file to prevent stepping on each other's
|
|
# toes.
|
|
STATEFILE="/var/lib/logrotate/pihole"
|
|
|
|
# Determine database location
|
|
# Obtain DBFILE=... setting from pihole-FTL.db
|
|
# Constructed to return nothing when
|
|
# a) the setting is not present in the config file, or
|
|
# b) the setting is commented out (e.g. "#DBFILE=...")
|
|
FTLconf="/etc/pihole/pihole-FTL.conf"
|
|
if [ -e "$FTLconf" ]; then
|
|
DBFILE="$(sed -n -e 's/^\s*DBFILE\s*=\s*//p' ${FTLconf})"
|
|
fi
|
|
# Test for empty string. Use standard path in this case.
|
|
if [ -z "$DBFILE" ]; then
|
|
DBFILE="/etc/pihole/pihole-FTL.db"
|
|
fi
|
|
|
|
if [[ "$@" != *"quiet"* ]]; then
|
|
echo -ne " ${INFO} Flushing /var/log/pihole/pihole.log ..."
|
|
fi
|
|
if [[ "$@" == *"once"* ]]; then
|
|
# Nightly logrotation
|
|
if command -v /usr/sbin/logrotate >/dev/null; then
|
|
# Logrotate once
|
|
/usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate
|
|
else
|
|
# Copy pihole.log over to pihole.log.1
|
|
# and empty out pihole.log
|
|
# Note that moving the file is not an option, as
|
|
# dnsmasq would happily continue writing into the
|
|
# moved file (it will have the same file handler)
|
|
cp -p /var/log/pihole/pihole.log /var/log/pihole/pihole.log.1
|
|
echo " " > /var/log/pihole/pihole.log
|
|
chmod 640 /var/log/pihole/pihole.log
|
|
fi
|
|
else
|
|
# Manual flushing
|
|
if command -v /usr/sbin/logrotate >/dev/null; then
|
|
# Logrotate twice to move all data out of sight of FTL
|
|
/usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate; sleep 3
|
|
/usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate
|
|
else
|
|
# Flush both pihole.log and pihole.log.1 (if existing)
|
|
echo " " > /var/log/pihole/pihole.log
|
|
if [ -f /var/log/pihole/pihole.log.1 ]; then
|
|
echo " " > /var/log/pihole/pihole.log.1
|
|
chmod 640 /var/log/pihole/pihole.log.1
|
|
fi
|
|
fi
|
|
# Delete most recent 24 hours from FTL's database, leave even older data intact (don't wipe out all history)
|
|
deleted=$(pihole-FTL sqlite3 "${DBFILE}" "DELETE FROM query_storage WHERE timestamp >= strftime('%s','now')-86400; select changes() from query_storage limit 1")
|
|
|
|
# Restart pihole-FTL to force reloading history
|
|
sudo pihole restartdns
|
|
fi
|
|
|
|
if [[ "$@" != *"quiet"* ]]; then
|
|
echo -e "${OVER} ${TICK} Flushed /var/log/pihole/pihole.log"
|
|
echo -e " ${TICK} Deleted ${deleted} queries from database"
|
|
fi
|