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Introduce 'help' 

This adds a "help" text, so the user knows their options. Calling just the script will now tell the user to either user 'backup', 'restore', or 'help'.
This commit is contained in:
BallsOfSpaghetti 2022-11-02 19:46:57 +01:00
parent 0578729b92
commit 567ff84a25
1 changed files with 42 additions and 4 deletions
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46
helper-scripts/backup_and_restore.sh
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@ -2,12 +2,50 @@
DEBIAN_DOCKER_IMAGE="mailcow/backup:1.0"
if [[ ${1} == "help" ]]; then
cat << END_OF_HELP
Script usage:
- Specify 'backup' or 'restore' mode:
backup_and_restore.sh backup
backup_and_restore.sh restore
- If you 'backup', you also have to specify what to backup.
Use 'backup' to see the backup options you can use.
backup_and_restore.sh backup
The script also comes with support for environment variables.
Available environment variables:
THREADS: Allows you to specify how many threads to backup with.
example: THREADS=4 backup_and_restore.sh backup all
NODATE: Allows you to omit the date stamped folder.
example: NODATE=1 backup_and_restore.sh backup all
You can combine the variables as well.
example: THREADS=4 NODATE=1 backup_and_restore.sh backup all
To do a full backup with the script, in an example "/backup/" folder:
echo "/backup/" | backup_and_restore.sh backup all
To do a full backup with 4 threads:
echo "/backup/" | THREADS=4 NODATE=1 backup_and_restore.sh backup all
To do a full backup with all available threads:
echo "/backup/" | THREADS=\`getconf _NPROCESSORS_ONLN\` NODATE=1 backup_and_restore.sh backup all
END_OF_HELP
exit 0
fi
if [[ ! -z ${MAILCOW_BACKUP_LOCATION} ]]; then
BACKUP_LOCATION="${MAILCOW_BACKUP_LOCATION}"
fi
if [[ ! ${1} =~ (backup|restore) ]]; then
echo "First parameter needs to be 'backup' or 'restore'"
if [[ ! ${1} =~ (backup|restore|help) ]]; then
echo "First parameter needs to be 'backup' or 'restore' or 'help'"
exit 1
fi
@ -58,7 +96,7 @@ if ! [[ "${THREADS}" =~ ^[1-9]+$ ]] ; then
echo "Thread input is not a number!"
exit 1
elif [[ "${THREADS}" =~ ^[1-9]+$ ]] ; then
echo "Using ${THREADS} Thread(s) for this run."
echo "Using ${THREADS} Thread(s) for this run."
echo "Notice: You can set the Thread count with the THREADS Variable before you run this script."
fi
@ -190,7 +228,7 @@ function restore() {
elif [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then
COMPOSE_COMMAND="docker-compose"
else
echo -e "\e[31mCan not read DOCKER_COMPOSE_VERSION variable from mailcow.conf! Is your mailcow up to date? Exiting...\e[0m"
exit 1