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@@ -1,6 +1,7 @@
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#!/bin/bash
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#!/bin/bash
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# LGSM command_backup.sh function
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# LGSM command_backup.sh function
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# Author: Daniel Gibbs
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# Author: Daniel Gibbs
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+# Contributor: UltimateByte
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# Website: https://gameservermanagers.com
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# Website: https://gameservermanagers.com
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# Description: Creates a .tar.gz file in the backup directory.
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# Description: Creates a .tar.gz file in the backup directory.
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@@ -9,51 +10,188 @@ local commandaction="Backup"
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local function_selfname="$(basename $(readlink -f "${BASH_SOURCE[0]}"))"
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local function_selfname="$(basename $(readlink -f "${BASH_SOURCE[0]}"))"
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check.sh
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check.sh
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-info_distro.sh
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-backupname="${servicename}-$(date '+%Y-%m-%d-%H%M%S')"
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-fn_print_dots ""
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-sleep 0.5
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-fn_print_info_nl "A total of ${rootdirduexbackup} will be compressed into the following backup:"
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-echo "${backupdir}/${backupname}.tar.gz"
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-echo ""
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-while true; do
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- read -e -i "y" -p "Continue? [Y/N]" yn
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- case $yn in
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- [Yy]* ) break;;
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- [Nn]* ) echo Exiting; return;;
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- * ) echo "Please answer yes or no.";;
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-esac
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-done
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-echo ""
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-check_status.sh
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-if [ "${status}" != "0" ]; then
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- echo ""
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- fn_print_warning_nl "${servicename} is currently running."
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- sleep 1
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- while true; do
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- read -p "Stop ${servicename} while running the backup? [Y/N]" yn
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- case $yn in
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- [Yy]* ) command_stop.sh; break;;
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- [Nn]* ) break;;
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- * ) echo "Please answer yes or no.";;
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- esac
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- done
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-fi
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+fn_script_log "Entering backup"
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+
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+# Check if a backup is pending or has been aborted using .backup.lock
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+fn_check_pending_backup(){
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+ if [ -f "${tmpdir}/.backup.lock" ]; then
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+ fn_print_error "A backup is currently running or has been aborted."
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+ fn_print_info_nl "If you keep seing this message, remove the following file:"
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+ echo "${tmpdir}/.backup.lock"
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+ fn_script_log_fatal "A backup is currently running or has been aborted."
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+ fin_script_log_info "If you keep seing this message, remove the following file: ${tmpdir}/.backup.lock"
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+ core_exit.sh
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+ fi
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+}
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+
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+# Initialization
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+fn_backup_init(){
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+ fn_print_dots ""
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+ sleep 0.5
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+ # Prepare backup file name with servicename current date
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+ backupname="${servicename}-$(date '+%Y-%m-%d-%H%M%S')"
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+ # Tells how much will be compressed using rootdirduexbackup value from info_distro and prompt for continue
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+ info_distro.sh
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+ fn_print_info_nl "A total of ${rootdirduexbackup} will be compressed into the following backup:"
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+ fn_script_log "A total of ${rootdirduexbackup} will be compressed into the following backup: ${backupdir}/${backupname}.tar.gz"
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+ echo "${backupdir}/${backupname}.tar.gz"
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+}
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+
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+
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+# Check if server is started and wether to stop it
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+fn_backup_stop_server(){
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+ check_status.sh
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+ # Server is stopped
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+ if [ "${status}" == "0" ]; then
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+ serverstopped="no"
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+ # Server is up and stoponbackup is off
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+ elif [ "${stoponbackup}" == "off" ]; then
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+ serverstopped="no"
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+ fn_print_info_nl "${servicename} is started and will not be stopped."
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+ fn_print_information_nl "It is advised to stop the server to prevent a file changes and tar errors."
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+ fn_script_log_info "${servicename} is started during the backup"
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+ fn_script_log_info "It is advised to stop the server to prevent a file changes and tar errors."
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+ # Server is up and will be stopped if stoponbackup has no value or anything else than "off"
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+ else
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+ fn_print_warning_nl "${servicename} will be stopped during the backup."
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+ fn_script_log_warn "${servicename} will be stopped during the backup"
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+ sleep 4
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+ serverstopped="yes"
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+ exitbypass=1
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+ command_stop.sh
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+ fi
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+}
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+# Create required folders
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+fn_backup_directories(){
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fn_print_dots "Backup in progress, please wait..."
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fn_print_dots "Backup in progress, please wait..."
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-fn_script_log_info "Started backup"
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-sleep 2
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+fn_script_log_info "Initiating backup"
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+sleep 0.5
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+
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+# Directories creation
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+# Create backupdir if it doesn't exist
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if [ ! -d "${backupdir}" ]; then
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if [ ! -d "${backupdir}" ]; then
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+ fn_print_info_nl "Creating ${backupdir}"
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+ fn_script_log_info "Creating ${backupdir}"
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mkdir "${backupdir}"
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mkdir "${backupdir}"
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fi
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fi
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+# Create tmpdir if it doesn't exist
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+if [ -n "${tmpdir}" ]&&[ ! -d "${tmpdir}" ]; then
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+ fn_print_info_nl "Creating ${tmpdir}"
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+ fn_script_log "Creating ${tmpdir}"
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+ mkdir -p "${tmpdir}"
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+fi
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+}
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+
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+# Create lockfile
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+fn_backup_create_lockfile(){
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+if [ -d "${tmpdir}" ]; then
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+ touch "${tmpdir}/.backup.lock"
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+ fn_script_log "Lockfile created"
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+fi
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+}
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+
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+# Compressing files
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+fn_backup_compression(){
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+fn_script_log "Compressing ${rootdirduexbackup}"
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tar -czf "${backupdir}/${backupname}.tar.gz" -C "${rootdir}" --exclude "backups" ./*
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tar -czf "${backupdir}/${backupname}.tar.gz" -C "${rootdir}" --exclude "backups" ./*
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+fn_script_log "Compression over"
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+}
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+
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+# Check tar exit code and set the result
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+fn_check_tar_exit(){
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if [ $? == 0 ]; then
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if [ $? == 0 ]; then
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- fn_print_ok_nl "Backup created: ${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
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- fn_script_log_pass "Backup created: ${backupdir}/${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
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+ backupresult="PASS"
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+else
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+ backupresult="FAIL"
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+fi
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+}
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+
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+# Remove lockfile
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+fn_backup_remove_lockfile(){
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+if [ -d "${tmpdir}" ]&&[ -f "${tmpdir}/.backup.lock" ]; then
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+ rm "${tmpdir}/.backup.lock"
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+ fn_script_log "Lockfile removed"
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+fi
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+}
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+
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+fn_backup_summary(){
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+ # when backupresult="PASS"
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+ if [ "${backupresult}" == "PASS" ]; then
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+ fn_print_ok_nl "Backup created: ${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
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+ fn_script_log_pass "Backup created: ${backupdir}/${backupname}.tar.gz is $(du -sh "${backupdir}/${backupname}.tar.gz" | awk '{print $1}') size"
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+ # When backupresult="FAIL"
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+ elif [ "${backupresult}" == "FAIL" ]; then
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+ fn_print_error_nl "Backup failed: ${backupname}.tar.gz"
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+ fn_script_log_error "Backup failed: ${backupname}.tar.gz"
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+ core_exit.sh
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+ else
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+ fn_print_error_nl "Could not determine compression result."
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+ fn_script_log_error "Could not determine compression result."
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+ core_exit.sh
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+ fi
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+}
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+
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+
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+# Clear old backups according to maxbackups and maxbackupdays variables
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+fn_backup_clearing(){
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+# How many backups there are
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+backupscount=$(find "${backupdir}/" -type f -name "*.tar.gz"|wc -l)
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+# How many backups exceed maxbackups
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+backupquotadiff=$((backupscount-maxbackups))
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+# How many backups exceed maxbackupdays
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+backupsoudatedcount=$(find "${backupdir}"/ -type f -name "*.tar.gz" -mtime +"${maxbackupdays}"|wc -l)
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+# If backup variables are set
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+if [ -n "${maxbackupdays}" ]&&[ -n "${maxbackups}" ]; then
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+ # If anything can be cleared
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+ if [ "${backupquotadiff}" -gt "0" ]||[ "${backupsoudatedcount}" -gt "0" ]; then
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+ # If maxbackups greater or equal than backupsoutdatedcount, then it is used over maxbackupdays
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+ if [ "${backupquotadiff}" -gt "${backupsoudatedcount}" ]||[ "${backupquotadiff}" -eq "${backupsoudatedcount}" ]; then
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+ # Display how many backups will be cleared
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+ fn_print_info_nl "${backupquotadiff} backup(s) exceed max ${maxbackups} and will be cleared."
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+ fn_script_log "${backupquotadiff} backup(s) exceed max ${maxbackups} and will be cleared"
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+ sleep 2
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+ # Clear over quota backups
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+ find "${backupdir}"/ -type f -name "*.tar.gz" -printf '%T@ %p\n' | sort -rn | tail -${backupquotadiff} | cut -f2- -d" " | xargs rm
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+ fn_print_ok_nl "Cleared ${backupquotadiff} backup(s)."
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+ fn_script_log "Cleared ${backupquotadiff} backup(s)"
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+ # If maxbackupdays is used over maxbackups
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+ elif [ "${backupquotadiff}" -lt "${backupsoudatedcount}" ]; then
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+ # Display how many backups will be cleared
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+ fn_print_info_nl "${backupsoudatedcount} backup(s) older than ${maxbackupdays} days will be cleared."
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+ fn_script_log "${backupsoudatedcount} backup(s) older than ${maxbackupdays} days will be cleared"
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+ find "${backupdir}"/ -type f -mtime +"${maxbackupdays}" -exec rm -f {} \;
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+ fn_print_ok_nl "Cleared ${backupsoudatedcount} backup(s)."
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+ fn_script_log_pass "Cleared ${backupsoudatedcount} backup(s)"
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+ else
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+ fn_script_log "No backups older than ${maxbackupdays} days were found"
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+ fi
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+ fi
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else
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else
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- fn_print_error_nl "Backup failed: ${backupname}.tar.gz"
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- fn_script_log_error "Backup failed: ${backupname}.tar.gz"
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+ fn_script_log "No backups to clear since maxbackupdays and maxbackups variables are not set"
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fi
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fi
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-sleep 1
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-echo ""
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+}
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+
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+# Restart the server if it was stopped for the backup
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+fn_backup_start_back(){
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+ if [ "${serverstopped}" == "yes" ]; then
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+ exitbypass=1
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+ command_start.sh
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+ fi
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+}
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+
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+# Run functions
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+fn_check_pending_backup
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+fn_backup_init
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+fn_backup_stop_server
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+fn_backup_directories
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+fn_backup_create_lockfile
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+fn_backup_compression
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+fn_check_tar_exit
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+fn_backup_remove_lockfile
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+fn_backup_summary
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+fn_backup_clearing
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+fn_backup_start_back
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+
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+sleep 0.5
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core_exit.sh
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core_exit.sh
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