fsbackup/create_backup.sh at master · kraloveckey/fsbackup · GitHub

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#!/usr/bin/env bash
#
# Backup planner running from crontab.
#
# Example line for crontab:
#
# 18 4 * * * /usr/local/fsbackup/create_backup.sh | mail -aFrom:"FROM NAME<from_example@example.com>" -s "Backup Report: $(hostname), $(hostname -I | awk '{print $1}')" to_example@example.com
#
set -e -o pipefail # Recommended for safety

#--------------------------------------
# Path where fsbackup installed.
#--------------------------------------
backup_path="/usr/local/fsbackup"

#--------------------------------------
# List of fsbackup configuration files, as a Bash array for safety.
# This correctly handles filenames with spaces.
#--------------------------------------
config_files=("cfg_example" "cfg_example_users" "cfg_example_sql")

#--------------------------------------
# MySQL table backup flag, 1 - run, 0 - not run.
#--------------------------------------
backup_mysql=0

#--------------------------------------
# MariaDB table backup flag, 1 - run, 0 - not run.
#--------------------------------------
backup_mariadb=0

#--------------------------------------
# PostgreSQL table backup flag, 1 - run, 0 - not run.
#--------------------------------------
backup_pgsql=0

#--------------------------------------
# SQLite table backup flag, 1 - run, 0 - not run.
#--------------------------------------
backup_sqlite=0

#--------------------------------------
# System parameters backup flag, 1 - run, 0 - not run.
#--------------------------------------
backup_sys=0

#--------------------------------------
# Mount Windows share flag, 1 - run, 0 - not run.
#--------------------------------------
mount_winshare=0

#--------------------------------------
# Mount FTPS share flag, 1 - run, 0 - not run.
#--------------------------------------
mount_ftpsshare=0

#############################################################################

# --- Reliable Lock File Implementation ---
# Creates a lock directory. If it already exists, the script exits.
# `trap` ensures the lock is removed when the script finishes or is interrupted.
LOCK_DIR="/tmp/fsbackup.lock"
if ! mkdir "${LOCK_DIR}" 2>/dev/null; then
    echo "!!!!!!!!!!!!!!! $(date) - Backup script is already running. Exiting."
    exit 1
fi
trap 'rmdir "${LOCK_DIR}"' EXIT

# --- Main Script Logic ---
# Safely change to the backup directory
if ! cd "${backup_path}"; then
    echo "Error: Could not change to backup directory ${backup_path}"
    exit 1
fi

# Saving MySQL databases
if (( backup_mysql == 1 )); then
    echo "--- Running MySQL backup ---"
    ./scripts/mysql_backup.sh
fi

# Saving MariaDB databases
if (( backup_mariadb == 1 )); then
    echo "--- Running MariaDB backup ---"
    ./scripts/mariadb_backup.sh
fi

# Saving PostgreSQL databases
if (( backup_pgsql == 1 )); then
    echo "--- Running PostgreSQL backup ---"
    ./scripts/pgsql_backup.sh
fi

# Saving SQLite databases
if (( backup_sqlite == 1 )); then
    echo "--- Running SQLite backup ---"
    ./scripts/sqlite_backup.sh
fi

# Saving system parameters
if (( backup_sys == 1 )); then
    echo "--- Running System backup ---"
    ./scripts/sysbackup.sh
fi

# Mount Windows share
if (( mount_winshare == 1 )); then
    echo "--- Mounting Windows share ---"
    ./scripts/mount-windows-share.sh || exit 1
fi

# Mount FTPS share
if (( mount_ftpsshare == 1 )); then
    echo "--- Mounting FTPS share ---"
    ./scripts/mount-ftps-share.sh || exit 1
fi

# Main backup loop.
echo "--- Starting main backup tasks ---"
num_configs=${#config_files[@]}
for i in "${!config_files[@]}"; do
    cur_conf="${config_files[$i]}"
    echo "Running fsbackup.pl with config: ${cur_conf}"
    ./fsbackup.pl "./${cur_conf}"

    # Sleep if it's not the last config file in the list
    if (( i < num_configs - 1 )); then
        echo "Sleeping for 60 seconds before next task..."
        sleep 60
    fi
done

# Unmounting the Windows share.
if (( mount_winshare == 1 )); then
    echo "--- Unmounting Windows share ---"
    ./scripts/mount-windows-share.sh umount
fi

# Unmounting the FTPS share.
if (( mount_ftpsshare == 1 )); then
    echo "--- Unmounting FTPS share ---"
    ./scripts/mount-ftps-share.sh umount
fi

echo "--- All tasks completed successfully ---"