135 lines
4.1 KiB
Bash
Executable File
135 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Bashup - A set of bash scripts for managing backups.
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# https://git.stack-source.com/msb/bashup
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# MIT License Copyright (c) 2021 Matthew Saunders Brown
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# backups are stored here
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backup_storage_dir='/mnt/backups';
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# directories that are backed up as part of files
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backup_dirs=('/etc' '/home' '/srv' '/root' '/usr/local' '/var/www');
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# check for local config, which can be used to override any of the above
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if [[ -f /usr/local/etc/bashup.cnf ]]; then
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source /usr/local/etc/bashup.cnf
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fi
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help()
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{
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thisfilename=$(basename -- "$0")
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echo "Bashup - A set of bash scripts for managing backups."
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echo "https://git.stack-source.com/msb/bashup"
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echo "MIT License Copyright (c) 2021 Matthew Saunders Brown"
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echo ""
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echo "List backups that have been taken and are available for doing restores."
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echo ""
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echo "Usage: $thisfilename [-b BACKUPDATE] [-c CATEGORY]"
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echo ""
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echo " -b BACKUPDATE Backup date/archive to list."
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echo " -c CATEGORY Category of backup to verify/list."
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echo " -h Print this help."
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echo " If no options are specified a list of backup (dates)"
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echo " will be displayed. If only the -b option is used then"
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echo " a list of available categories (directories) will be"
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echo " displayed. If both -b & -c options are specified then"
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echo " the specific backups (files/directories, databases,"
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echo " dns zones) available for restoring will be displayed."
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exit
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}
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# set any options that were passed
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while getopts "b:c:h" opt; do
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case "${opt}" in
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h )
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help
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exit;;
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b )
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backup=${OPTARG}
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;;
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c )
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category=${OPTARG}
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;;
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\? )
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echo "Invalid option: $OPTARG" 1>&2
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exit 1;;
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: )
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echo "Invalid option: $OPTARG requires an argument" 1>&2
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exit 1;;
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esac
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done
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if [ ! -d $backup_storage_dir ]; then
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echo "ERROR: Backup storage dir ($backup_storage_dir) does not exist."
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exit 1
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fi
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# check if backup_storage_dir is a mount in fstab
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grep -qs " $backup_storage_dir " /etc/fstab
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if [ $? -eq 0 ]; then
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# check if backup_storage_dir is already mounted
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grep -qs " $backup_storage_dir " /proc/mounts
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if [ $? -ne 0 ]; then
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# attempt to mount backups
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mount $backup_storage_dir
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# re-check for backups mount
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grep -qs " $backup_storage_dir " /proc/mounts
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if [ $? -ne 0 ]; then
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echo "ERROR: failed to mount $backup_storage_dir"
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exit 1
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fi
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fi
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fi
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if [ ! -z "$backup" ]; then
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if [ -d "$backup_storage_dir/$backup" ]; then
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if [ ! -z "$category" ]; then
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if [ -d "$backup_storage_dir/$backup/$category" ]; then
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if [ "$category" == "files" ]; then
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# check for a list available backup_dirs
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for dir in "${backup_dirs[@]}"; do
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if [ -d $backup_storage_dir/$backup/files$dir ]; then
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echo "$dir"
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fi
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done
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elif [ "$category" == "mysql" ]; then
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# list databases that have dumps available for restoring
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existing_dumps=($(ls $backup_storage_dir/$backup/mysql))
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for existing_dump in "${existing_dumps[@]}"; do
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echo "$(basename $existing_dump .sql.gz)"
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done
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elif [ "$category" == "pdns" ]; then
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# list zones available for restoring
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existing_zones=($(ls $backup_storage_dir/$backup/pdns))
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for existing_zone in "${existing_zones[@]}"; do
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echo "$(basename $existing_zone .zone)"
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done
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else
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# unexpected category, just list contents of dir
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ls -1 $backup_storage_dir/$backup/$category
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fi
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else
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echo "ERROR: Backup $backup_storage_dir/$backup/$category does not exist."
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exit 1
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fi
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else
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# list backup dirs (categories) available for restore
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ls -1 $backup_storage_dir/$backup
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fi
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else
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echo "ERROR: Backup dir for $backup does not exist."
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exit 1
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fi
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else
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# output list of backups (dates)
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ls -1 $backup_storage_dir | grep -v lost+found
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fi
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# check if backup_storage_dir is mounted and unmount if so
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grep -qs " $backup_storage_dir " /proc/mounts
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if [ $? -eq 0 ]; then
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umount $backup_storage_dir
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fi
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exit 0
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