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Signed-off-by: Christian König <github@yubiuser.dev>
73 lines
2.2 KiB
Bash
Executable File
73 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2025 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Rotate Pi-hole's log file
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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colfile="/opt/pihole/COL_TABLE"
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# shellcheck source="./advanced/Scripts/COL_TABLE"
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source ${colfile}
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readonly PI_HOLE_SCRIPT_DIR="/opt/pihole"
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utilsfile="${PI_HOLE_SCRIPT_DIR}/utils.sh"
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# shellcheck source="./advanced/Scripts/utils.sh"
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source "${utilsfile}"
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# In case we're running at the same time as a system logrotate, use a
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# separate logrotate state file to prevent stepping on each other's
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# toes.
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STATEFILE="/var/lib/logrotate/pihole"
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# Determine log file location
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LOGFILE=$(getFTLConfigValue "files.log.dnsmasq")
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if [ -z "$LOGFILE" ]; then
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LOGFILE="/var/log/pihole/pihole.log"
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fi
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FTLFILE=$(getFTLConfigValue "files.log.ftl")
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if [ -z "$FTLFILE" ]; then
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FTLFILE="/var/log/pihole/FTL.log"
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fi
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WEBFILE=$(getFTLConfigValue "files.log.webserver")
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if [ -z "$WEBFILE" ]; then
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WEBFILE="/var/log/pihole/webserver.log"
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fi
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# Helper function to handle log rotation for a single file
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rotate_log() {
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# This function copies x.log over to x.log.1
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# and then empties x.log
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# Note that moving the file is not an option, as
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# dnsmasq would happily continue writing into the
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# moved file (it will have the same file handler)
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local logfile="$1"
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if [[ "$*" != *"quiet"* ]]; then
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echo -ne " ${INFO} Rotating ${logfile} ..."
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fi
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cp -p "${logfile}" "${logfile}.1"
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echo " " > "${logfile}"
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chmod 640 "${logfile}"
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if [[ "$*" != *"quiet"* ]]; then
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echo -e "${OVER} ${TICK} Rotated ${logfile} ..."
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fi
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}
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# Nightly logrotation
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if command -v /usr/sbin/logrotate >/dev/null; then
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# Logrotate once
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if [[ "$*" != *"quiet"* ]]; then
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echo -ne " ${INFO} Running logrotate ..."
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fi
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mkdir -p "${STATEFILE%/*}"
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/usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate
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else
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# Handle rotation for each log file
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rotate_log "${LOGFILE}"
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rotate_log "${FTLFILE}"
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rotate_log "${WEBFILE}"
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fi
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