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helpers.sh

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    helpers.sh 2.94 KiB
    # This file is a part of the LinkAhead Project.
    #
    # Copyright (C) 2018 Research Group Biomedical Physics,
    # Max-Planck-Institute for Dynamics and Self-Organization Göttingen
    # Copyright (C) 2019, 2020, 2024 Daniel Hornung (d.hornung@indiscale.com)
    # Copyright (C) 2020 Henrik tom Wörden
    # Copyright (C) 2020, 2024 IndiScale GmbH <info@indiscale.com>
    #
    # 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
    	  $MYSQL_CMD $(get_db_args) -e "$@"
    	  ret=${PIPESTATUS[0]}
    	  if [ "$ret" -ne 0 ]; then
    		    failure "MYSQL ERROR"
    	  fi
    }
    
    
    # Takes a filename with commands instead of command line arguments
    function mysql_execute_file {
    	set -e
    	$MYSQL_CMD $(get_db_args) < "$1"
    	ret=${PIPESTATUS[0]}
    	if [ "$ret" -ne 0 ]; then
    		failure "MYSQL ERROR"
    	fi
    }
    
    # Return the arguments from `get_db_args_nodb` and additionally the database name as
    # `--database=mydatabasename`.
    function get_db_args {
    	echo "$(get_db_args_nodb) --database=$DATABASE_NAME"
    }
    
    # Return arguments for user, password, host, port and additional options in MYSQL_OPTS.
    #
    # For example, the output may be:
    # --user=myuser --password=mypassword --host=example.com --port=1234 --other --option
    function get_db_args_nodb {
    	if [ -n "$MYSQL_USER" ]; then
    		mysql_con_arguments="--user=$MYSQL_USER"
    	fi
    	if [ -n "$MYSQL_USER_PASSWORD" ]; then
    		mysql_con_arguments="$mysql_con_arguments --password=$MYSQL_USER_PASSWORD"
    	fi
    	if [ -n "$MYSQL_HOST" ] && [ "$MYSQL_HOST" != "localhost" ]; then
    		mysql_con_arguments="$mysql_con_arguments --host=$MYSQL_HOST"
    	fi
    	if [ -n "$MYSQL_PORT" ] && [ "$MYSQL_PORT" != "3306" ]; then
    		mysql_con_arguments="$mysql_con_arguments --port=$MYSQL_PORT"
    	fi
    	if [ -n "$MYSQL_OPTS" ] ; then
    		mysql_con_arguments="$mysql_con_arguments $MYSQL_OPTS"
    	fi
    	echo $mysql_con_arguments
    }
    
    function success {
        echo "[OK]"
        exit 0
    }
    
    function failure {
        echo "[FAILED] $*"
        exit 1
    }
    
    function uptodate {
        echo "[UPTODATE]"
        exit 0
    }