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Added option to override existing config file - the script will exit if the option is not set and there is an existing config

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This commit is contained in:
Enrico Ludwig 2024-05-15 21:58:17 +02:00
parent 0c1d60ca22
commit 455dbbcd30
1 changed files with 29 additions and 2 deletions
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31
borgmatic_setup.sh
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@ -30,6 +30,9 @@
# - Check for already existing backup repository
# - Check for already existing borgmatic configuration file
# TODO:
# - Invert the logic for upgrades (only upgrade if DO_UPGRADE is set) - this also includes upgrading single packages
# SETTINGS - Make sure to adjust these settings to your needs
DEBUG=0 # Set to 1 to enable debug mode
@ -58,6 +61,7 @@ NO_UPGRADE=0
FIRST_BACKUP=0
IS_REMOTE_SYNOLGY=0
OVERRIDE_CRONTAB=0
OVERRIDE_CONFIG=0
# constants
readonly SCRIPT_NAME="Borgmatic Backup Setup Tool"
@ -358,11 +362,12 @@ function is_remote_synology {
# Available arguments:
# -a, --auto: Enable automatic, non-interactive mode
# -d, --debug: Enable debug mode
# -v, --version: Show script version
# -h, --help: Show help message
# -n, --no-upgrade: Skip package upgrades
# -f, --first-backup: Run the first backup after setup
# -o, --override-crontab: Override the existing crontab file
# -c, --override-config: Override the existing borgmatic configuration file
# -v, --version: Show script version
# -h, --help: Show help message
#
# -R, --repo: Set the backup repository path
# -E, --encryption: Set the encryption method
@ -435,6 +440,10 @@ while [[ $# -gt 0 ]]; do
OVERRIDE_CRONTAB=1
shift
;;
-c|--override-config)
OVERRIDE_CONFIG=1
shift
;;
-h|--help)
inf "Usage: borgmatic_setup.sh [options]"
inf ""
@ -450,6 +459,7 @@ while [[ $# -gt 0 ]]; do
inf " -d, --debug: Enable debug mode"
inf " -f, --first-backup: Run the first backup after setup"
inf " -o, --override-crontab: Override the existing crontab file"
inf " -c, --override-config: Override the existing borgmatic configuration file"
inf " -v, --version: Show script version"
inf " -h, --help: Show help message"
inf ""
@ -592,6 +602,14 @@ inf "Backup directories: $BACKUP_DIRS"
inf "Backup cron schedule: $BACKUP_CRON_SCHEDULE"
inf "Backup server host: $SSH_USER@$SSH_HOST:$SSH_PORT"
if [ -z $OVERRIDE_CRONTAB ]; then
wrn "Existing cron job at /etc/cron.d/borgmatic will be overridden!"
fi
if [ -z $OVERRIDE_CONFIG ]; then
wrn "Existing borgmatic configuration file at $BORGMATIC_CONFIG_FILE will be overridden!"
fi
# only ask for confirmation in interactive mode
if [ -z $AUTO ] && ! wrnp "Do you want to continue? [y/N]"; then
inf "Aborted."
@ -794,6 +812,15 @@ if [ "${BACKUP_REPO:0:1}" == "/" ]; then
BACKUP_REPO=${BACKUP_REPO:1}
fi
# check if borgmatic configuration file already exists and abort if $OVERRIDE_CONFIG is not set
if [ -f $BORGMATIC_CONFIG_FILE ] && [ $OVERRIDE_CONFIG -ne 1 ]; then
err "A borgmatic configuration file already exists at $BORGMATIC_CONFIG_FILE."
err "Please remove the existing configuration file or use the --override-config option."
exit 1
elif [ -f $BORGMATIC_CONFIG_FILE ] && [ $OVERRIDE_CONFIG -eq 1 ]; then
wrn "Existing borgmatic configuration file will be overridden!"
fi
cat > $BORGMATIC_CONFIG_FILE <<EOF
ssh_command: ssh -i $SSH_KEY_FILE -p $SSH_PORT