Separate log flush from log rotate

Signed-off-by: Christian König <github@yubiuser.dev>

advanced/Scripts/piholeLogFlush.sh

@@ -17,11 +17,6 @@ utilsfile="${PI_HOLE_SCRIPT_DIR}/utils.sh"
 # shellcheck source="./advanced/Scripts/utils.sh"
 source "${utilsfile}"
 
-# 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
 DBFILE=$(getFTLConfigValue "files.database")
 if [ -z "$DBFILE" ]; then
@@ -42,25 +37,6 @@ if [ -z "$WEBFILE" ]; then
     WEBFILE="/var/log/pihole/webserver.log"
 fi
 
-# Helper function to handle log rotation for a single file
-rotate_log() {
-    # This function copies x.log over to x.log.1
-    # and then empties x.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)
-    local logfile="$1"
-    if [[ "$*" != *"quiet"* ]]; then
-        echo -ne "  ${INFO} Rotating ${logfile} ..."
-    fi
-    cp -p "${logfile}" "${logfile}.1"
-    echo " " > "${logfile}"
-    chmod 640 "${logfile}"
-    if [[ "$*" != *"quiet"* ]]; then
-        echo -e "${OVER}  ${TICK} Rotated ${logfile} ..."
-    fi
-}
-
 # Helper function to handle log flushing for a single file
 flush_log() {
     local logfile="$1"
@@ -78,41 +54,23 @@ flush_log() {
     fi
 }
 
-if [[ "$*" == *"once"* ]]; then
-    # Nightly logrotation
-    if command -v /usr/sbin/logrotate >/dev/null; then
-        # Logrotate once
+# Manual flushing
+flush_log "${LOGFILE}"
+flush_log "${FTLFILE}"
+flush_log "${WEBFILE}"
 
-        if [[ "$*" != *"quiet"* ]]; then
-            echo -ne "  ${INFO} Running logrotate ..."
-        fi
-        mkdir -p "${STATEFILE%/*}"
-        /usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate
-    else
-        # Handle rotation for each log file
-        rotate_log "${LOGFILE}"
-        rotate_log "${FTLFILE}"
-        rotate_log "${WEBFILE}"
-    fi
-else
-    # Manual flushing
-    flush_log "${LOGFILE}"
-    flush_log "${FTLFILE}"
-    flush_log "${WEBFILE}"
-
-    if [[ "$*" != *"quiet"* ]]; then
-        echo -ne "  ${INFO} Flushing database, DNS resolution temporarily unavailable ..."
-    fi
-
-    # Stop FTL to make sure it doesn't write to the database while we're deleting data
-    service pihole-FTL stop
-
-    # Delete most recent 24 hours from FTL's database, leave even older data intact (don't wipe out all history)
-    deleted=$(pihole-FTL sqlite3 -ni "${DBFILE}" "DELETE FROM query_storage WHERE timestamp >= strftime('%s','now')-86400; select changes() from query_storage limit 1")
-
-    # Restart FTL
-    service pihole-FTL restart
-    if [[ "$*" != *"quiet"* ]]; then
-        echo -e "${OVER}  ${TICK} Deleted ${deleted} queries from long-term query database"
-    fi
+if [[ "$*" != *"quiet"* ]]; then
+    echo -ne "  ${INFO} Flushing database, DNS resolution temporarily unavailable ..."
+fi
+
+# Stop FTL to make sure it doesn't write to the database while we're deleting data
+service pihole-FTL stop
+
+# Delete most recent 24 hours from FTL's database, leave even older data intact (don't wipe out all history)
+deleted=$(pihole-FTL sqlite3 -ni "${DBFILE}" "DELETE FROM query_storage WHERE timestamp >= strftime('%s','now')-86400; select changes() from query_storage limit 1")
+
+# Restart FTL
+service pihole-FTL restart
+if [[ "$*" != *"quiet"* ]]; then
+    echo -e "${OVER}  ${TICK} Deleted ${deleted} queries from long-term query database"
 fi

advanced/Scripts/piholeLogRotate.sh

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+# Pi-hole: A black hole for Internet advertisements
+# (c) 2025 Pi-hole, LLC (https://pi-hole.net)
+# Network-wide ad blocking via your own hardware.
+#
+# Rotate 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"
+# shellcheck source="./advanced/Scripts/COL_TABLE"
+source ${colfile}
+
+readonly PI_HOLE_SCRIPT_DIR="/opt/pihole"
+utilsfile="${PI_HOLE_SCRIPT_DIR}/utils.sh"
+# shellcheck source="./advanced/Scripts/utils.sh"
+source "${utilsfile}"
+
+# In case we're running at the same time as a system logrotate, use a
+# separate logrotate state file to prevent stepping on each other's
+# toes.
+STATEFILE="/var/lib/logrotate/pihole"
+
+
+# Determine log file location
+LOGFILE=$(getFTLConfigValue "files.log.dnsmasq")
+if [ -z "$LOGFILE" ]; then
+    LOGFILE="/var/log/pihole/pihole.log"
+fi
+FTLFILE=$(getFTLConfigValue "files.log.ftl")
+if [ -z "$FTLFILE" ]; then
+    FTLFILE="/var/log/pihole/FTL.log"
+fi
+WEBFILE=$(getFTLConfigValue "files.log.webserver")
+if [ -z "$WEBFILE" ]; then
+    WEBFILE="/var/log/pihole/webserver.log"
+fi
+
+# Helper function to handle log rotation for a single file
+rotate_log() {
+    # This function copies x.log over to x.log.1
+    # and then empties x.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)
+    local logfile="$1"
+    if [[ "$*" != *"quiet"* ]]; then
+        echo -ne "  ${INFO} Rotating ${logfile} ..."
+    fi
+    cp -p "${logfile}" "${logfile}.1"
+    echo " " > "${logfile}"
+    chmod 640 "${logfile}"
+    if [[ "$*" != *"quiet"* ]]; then
+        echo -e "${OVER}  ${TICK} Rotated ${logfile} ..."
+    fi
+}
+
+# Nightly logrotation
+if command -v /usr/sbin/logrotate >/dev/null; then
+    # Logrotate once
+    if [[ "$*" != *"quiet"* ]]; then
+        echo -ne "  ${INFO} Running logrotate ..."
+    fi
+    mkdir -p "${STATEFILE%/*}"
+    /usr/sbin/logrotate --force --state "${STATEFILE}" /etc/pihole/logrotate
+else
+    # Handle rotation for each log file
+    rotate_log "${LOGFILE}"
+    rotate_log "${FTLFILE}"
+    rotate_log "${WEBFILE}"
+fi

advanced/Templates/pihole.cron

@@ -24,7 +24,7 @@
 #          The flush script will use logrotate if available
 #          parameter "once": logrotate only once (default is twice)
 #          parameter "quiet": don't print messages
-00 00   * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole flush once quiet
+00 00   * * *   root    PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole logrotate quiet
 
 @reboot root /usr/sbin/logrotate --state /var/lib/logrotate/pihole /etc/pihole/logrotate