Merge pull request #14 from 007revad/develop

Develop

Author: 007revad

CHANGES.txt

@@ -1,3 +1,7 @@
+v1.1.6
+- Added KeepQty setting to delete old backups and only keep the latest N backups.
+  - KeepQty=5 would keep just the latest 5 backups.
+
 v1.0.5
 - Bug fix for default conf file. Double quotes not needed and cause issue #11 
 - Updated Restore_Linux_Plex_Backup.sh to handle reading settings from conf file with spaces and no double quotes.

Linux_Plex_Backup.sh

@@ -2,7 +2,7 @@
 # shellcheck disable=SC2317,SC2181
 #--------------------------------------------------------------------------
 # Backup Linux Plex Database to tgz file in Backup folder.
-# v1.0.5  09-Nov-2024  007revad
+# v1.1.6  04-Nov-2024  007revad
 #
 #   MUST be run by a user in sudo, sudoers or wheel group, or as root
 #
@@ -18,14 +18,15 @@
 # Script verified at https://www.shellcheck.net/
 #--------------------------------------------------------------------------
 
-scriptver="v1.0.5"
+scriptver="v1.1.6"
 script=Linux_Plex_Backup
 
 
 # Read variables from backup_linux_plex.config
 Backup_Directory=""
 Name=""
 LogAll=""
+KeepQty=""
 if [[ -f $(dirname -- "$0";)/backup_linux_plex.config ]];then
     # shellcheck disable=SC1090,SC1091
     while read -r var; do
@@ -390,6 +391,33 @@ echo "Starting Plex..." |& tee -a "${Log_File}"
 systemctl start plexmediaserver
 
 
+#--------------------------------------------------------------------------
+# Delete old backups
+
+if [[ $KeepQty -gt "0" ]]; then
+    readarray -t array < <(ls "$Backup_Directory" |\
+        grep -E "${Nas}"'_[0-9]{8,}(-[0-9]{4,})?_Plex_.*\.tgz' | head -n -"$KeepQty")
+
+    if [[ "${#array[@]}" -gt "0" ]]; then
+        echo -e "\nDeleting old backups" |& tee -a "${Log_File}"
+        for file in "${array[@]}"; do
+            if [[ -f "$Backup_Directory/$file" ]]; then
+                echo "Deleting $file" |& tee -a "${Log_File}"
+                rm "$Backup_Directory/$file"
+            fi
+            if [[ -f "$Backup_Directory/${file%.tgz}.log" ]]; then
+                echo "Deleting ${file%.tgz}.log" |& tee -a "${Log_File}"
+                rm "$Backup_Directory/${file%.tgz}.log"
+            fi
+            if [[ -f "$Backup_Directory/${file%.tgz}_ERROR.log" ]]; then
+                echo "Deleting ${file%.tgz}_ERROR.log" |& tee -a "${Log_File}"
+                rm "$Backup_Directory/${file%.tgz}_ERROR.log"
+            fi
+        done
+    fi
+fi
+
+
 #--------------------------------------------------------------------------
 # Append the time taken to stdout and log file
 

README.md

@@ -63,9 +63,12 @@ Set Name= to distro, hostname or you can set a 'nickname'. If Name= is blank the
 
 The LogAll setting enables, or disables, logging every file that gets backed up. Set LogAll= to yes or no. Blank is the same as no.
 
+The KeepQty setting tells the script to keep only keep the latest N backups (and delete older backups).
+
 ```YAML
 Name=distro
 LogAll=no
+KeepQty=5
 ```
 
 ### Requirements

backup_linux_plex.config

@@ -4,7 +4,7 @@
 # https://github.com/007revad/Linux_Plex_Backup
 #-------------------------------------------------------------------------
 
-# Set location to save tgz file to
+# Set location to save tgz file to.
 Backup_Directory=/share/Backups/Plex_Backup
 
 # The script gets the distro and hostname for logging and the backup file name. 
@@ -16,3 +16,7 @@ Name=distro
 # Set LogAll= to yes or no. Blank is the same as no.
 LogAll=no
 
+# Delete old backups.
+# Set KeepQty= to the number of backups to keep.
+KeepQty=5
+