helpers.sh

# This file is a part of the CaosDB Project.
#
# Copyright (C) 2018 Research Group Biomedical Physics,
# Max-Planck-Institute for Dynamics and Self-Organization Göttingen
# Copyright 2019, 2020 Daniel Hornung
# Copyright 2020 Henrik tom Wörden, IndiScale GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.



###############################################################################
#                         Helper function definitions                         #
###############################################################################

# When sourcing this file, the following variables must be set:
#
# MYSQL_CMD : source $UTILSPATH/load_settings.sh



function mysql_execute {
	  #TODO is it meaningful that here always the database user is used???
	  set +e
    env
	  $MYSQL_CMD $(get_db_args) -e "$1"
	  ret=${PIPESTATUS[0]}
	  if [ "$ret" -ne 0 ]; then
		    failure "MYSQL ERROR"
	  fi
	  set -e
}

function get_mysql_args {
	echo "$(get_mysql_args_nodb) --database=$DATABASE_NAME"
}

function get_db_args {
	echo "$(get_db_args_nodb) --database=$DATABASE_NAME"
}

function get_db_args_nodb {
	if [ "$DATABASE_USER" ]; then
		mysql_con_arguments="--user=$DATABASE_USER"
	fi
	if [ "$DATABASE_USER_PW" ]; then
		mysql_con_arguments="$mysql_con_arguments --password=$DATABASE_USER_PW"
	fi
	if [[ "$MYSQL_HOST" && ( "$MYSQL_HOST" != "localhost" ) ]]; then
		mysql_con_arguments="$mysql_con_arguments --host=$MYSQL_HOST"
		if [ "$MYSQL_PORT" ]; then
			mysql_con_arguments="$mysql_con_arguments --port=$MYSQL_PORT"
		fi
	fi
	echo $mysql_con_arguments
}

function get_mysql_args_nodb {
	if [ "$LOGIN_PATH" ]; then
		mysql_con_arguments="--login-path=$LOGIN_PATH"
	else
		if [ "$MYSQL_USER" ]; then
			mysql_con_arguments="--user=$MYSQL_USER"
		fi
		if [ "$MYSQL_USER_PASSWORD" ]; then
			mysql_con_arguments="$mysql_con_arguments --password=$MYSQL_USER_PASSWORD"
		fi
		if [[ "$MYSQL_HOST" && ( "$MYSQL_HOST" != "localhost" ) ]]; then
			mysql_con_arguments="$mysql_con_arguments --host=$MYSQL_HOST"
			if [ "$MYSQL_PORT" ]; then
				mysql_con_arguments="$mysql_con_arguments --port=$MYSQL_PORT"
			fi
		fi
	fi
	echo $mysql_con_arguments
}

function success {
    echo "[OK]"
    exit 0
}

function failure {
    echo "[FAILED] $*"
    exit 1
}

function uptodate {
    echo "[UPTODATE]"
    exit 0
}