monkey/deployment_scripts/install-infection-monkey-se...

162 lines
3.6 KiB
Bash
Executable File

#!/bin/bash
set -e
SCRIPT_DIR="$(realpath "$(dirname "${BASH_SOURCE[0]}")")"
SYSTEMD_UNIT_FILENAME="infection-monkey.service"
SYSTEMD_DIR="/lib/systemd/system"
MONKEY_BIN="/opt/infection-monkey/bin"
APPIMAGE_NAME="InfectionMonkey.AppImage"
echo_help() {
echo "Installs the Infection Monkey service to run on boot."
echo ""
echo "Usage:"
echo " install-infection-monkey-service.sh --user <USERNAME> --appimage <PATH>"
echo " install-infection-monkey-service.sh --uninstall"
echo " install-infection-monkey-service.sh -h|--help"
echo ""
echo "Options:"
echo " --user User to run the service as"
echo " --appimage Path to AppImage"
echo " --uninstall Uninstall the Infection Monkey service"
}
install_service() {
move_appimage "$2"
cat > "${SCRIPT_DIR}/${SYSTEMD_UNIT_FILENAME}" << EOF
[Unit]
Description=Infection Monkey Runner
After=network.target
[Service]
User=$1
Type=simple
ExecStart="${MONKEY_BIN}/${APPIMAGE_NAME}"
[Install]
WantedBy=multi-user.target
EOF
umask 077
sudo mv "${SCRIPT_DIR}/${SYSTEMD_UNIT_FILENAME}" "${SYSTEMD_DIR}/${SYSTEMD_UNIT_FILENAME}"
sudo systemctl enable "${SYSTEMD_UNIT_FILENAME}" &>/dev/null
echo -e "The Infection Monkey service has been installed and will start on boot.\n\
Run 'systemctl start infection-monkey' to start the service now."
}
uninstall_service() {
if [ -f "${MONKEY_BIN}/${APPIMAGE_NAME}" ] ; then
sudo rm -f "${MONKEY_BIN}/${APPIMAGE_NAME}"
fi
if [ -f "${SYSTEMD_DIR}/${SYSTEMD_UNIT_FILENAME}" ] ; then
sudo systemctl stop "${SYSTEMD_UNIT_FILENAME}" 2>/dev/null
sudo systemctl disable "${SYSTEMD_UNIT_FILENAME}" &>/dev/null
sudo rm "${SYSTEMD_DIR}/${SYSTEMD_UNIT_FILENAME}"
sudo systemctl daemon-reload
fi
echo "The Infection Monkey service has been uninstalled"
}
move_appimage() {
sudo mkdir --mode=0755 -p "${MONKEY_BIN}"
if [ "$1" != "${MONKEY_BIN}/${APPIMAGE_NAME}" ] ; then
umask 022
sudo cp "$appimage_path" "${MONKEY_BIN}/${APPIMAGE_NAME}"
sudo chmod 755 "${MONKEY_BIN}/${APPIMAGE_NAME}"
fi
}
user_exists() {
id -u "$1" &>/dev/null
}
assert_parameter_supplied() {
if [ -z "$2" ] ; then
echo "Error: missing required parameter '$1'"
echo_help
exit 1
fi
}
has_sudo() {
# 0 true, 1 false
sudo -nv > /dev/null 2>&1
return $?
}
exit_if_missing_argument() {
if [ -z "$2" ] || [ "${2:0:1}" == "-" ]; then
echo "Error: Argument for parameter '$1' is missing" >&2
echo_help
exit 1
fi
}
do_uninstall=false
uname=""
appimage_path=""
while (( "$#" )); do
case "$1" in
--user)
exit_if_missing_argument "$1" "$2"
uname=$2
shift 2
;;
--appimage)
exit_if_missing_argument "$1" "$2"
appimage_path=$2
shift 2
;;
--uninstall)
do_uninstall=true
shift
;;
-h|--help)
echo_help
exit 0
;;
*)
echo "Error: Unsupported parameter $1" >&2
exit 1
;;
esac
done
if ! has_sudo; then
echo "Error: You need root permissions for some of this script operations. \
Run \`sudo -v\`, enter your password, and then re-run this script."
exit 1
fi
if $do_uninstall ; then
uninstall_service
exit 0
fi
assert_parameter_supplied "--user" "$uname"
assert_parameter_supplied "--appimage" "$appimage_path"
if ! user_exists "$uname" ; then
echo "Error: User '$uname' does not exist"
exit 1
fi
if [ ! -f "$appimage_path" ] ; then
if [ ! -f "${SCRIPT_DIR}/$appimage_path" ] ; then
echo "Error: AppImage '$appimage_path' does not exist"
exit 1
fi
appimage_path="${SCRIPT_DIR}/$appimage_path"
fi
install_service "$uname" "$appimage_path"