+usage() {
+cat <<EOF
+ $0 [options]
+ --help,-h This help
+ --vps vps_name Name of the vps
+ --password password Password of the vps (only useful in case of no reboot)
+ --reinstall-first Start with reinstalling the vps
+ --host-user user Use another user (default: root)
+ --no-reboot Don't reboot
+ --no-reboot-start Don't reboot to rescue at the beginning
+ --no-reboot-end Don't reboot to normal at the end
+ --git-branch Use another puppet branch (default: master)
+ --environment Environment to use for the installl (default: production)
+EOF
+}
+