File gnuhealth-control of Package gnuhealth

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File gnuhealth-control of Package gnuhealth (Revision 17e1163324ee2cdfa0cd69662d77b740)

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#!/bin/bash

# gnuhealth-control
# The GNU Health control center for openSUSE Installations

##############################################################################
#
#    GNU Health: The Free Health and Hospital Information System
#    Copyright (C) 2008-2015 Luis Falcon <falcon@gnu.org>
#    Adaption to openSUSE Axel Braun <axel.braun@gnuhealth.org>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU 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 General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

VERSION="3.6.3.1-openSUSE"

TRANSLATE_URL="https://translate.gnusolidario.org"
GNUHEALTH_DIR=$(rpm -ql gnuhealth | egrep '^/usr/lib/python.\..{1,2}/site-packages$')

UPDATE_DOWNLOAD_DIR=$(mktemp -d)

usage()
{
    cat << EOF

This is GNU Health control center ${VERSION}

usage: `basename $0` command [options]

Command:
 
  version : Show version
  backup  : Backup the gnuhealth kernel, attach dir and database
  update  : Download and install the patches
  getlang : Get and install / update the language pack code
  status  : Show environment and GNU Health Tryton server status

Options:

--backdir  : destination directory for the backup file
 --dry-run  : Check, download and preview, but don't actually update process
 --database : database name to use with the backup command

EOF
    exit 0
}

help()
{
    cat << EOF
    The GNU Health Control Center (gnuhealth-control) is the main tool for 
    administrative tasks of the GNU Health environment.
    
    It can perform backups and updates of the instance
    
    Updates
    -------

Use the system tools to update GNU Health:
    zypper up
    will update all packages to the latest version. This includes Tryton Server
    as well as GNU Health.
    
EOF
    usage
    exit 0
}

cli_msg()
{
    local UTC="$(date -u +'%Y-%m-%d %H:%M:%S')"
    
    case $1 in
      ERROR ) echo -e "\e[00;31m${UTC} [ERROR] $2\e[00m";;
      WARNING ) echo -e "\e[0;33m${UTC} [WARNING] $2\e[m" ;;
      INFO ) echo -e "\e[0;36m${UTC} [INFO] $2\e[m" ;;
    esac
}

get_current_values()
{
    
    cli_msg "INFO" "Environment variables"
    cli_msg "INFO" "PYTHONPATH = $PYTHONPATH"
    
}

do_backup()
{
    
    get_current_values
    
    local COMMAND=$1
    local BACKDATE=`date -u +%Y-%m-%d_%H%M%S`
# lockfile is moved to a location not writeable/predictable by user
    local LOCKFILE="/var/run/gnuhealth_backup.lock"
# Infofile is moved to a location not writeable by user    
    local INFOFILE="/var/log/gnuhealth_backup.log"
    local BACKDIR=""
    local DB=""

shift # Remove the command and deal only with the options
    
    if [ $# -ne 4 ]; then
        echo -e "Usage : gnuhealth-control backup --backdir <directory> --database <dbname>"
        exit
    fi

for option in "$@"
    do
      case $option in
          --backdir ) BACKDIR=$2;;
          --database ) DB=$2 ;;
      esac
      shift
    done
    
    if [ -f $LOCKFILE ]
    then
        cli_msg "ERROR" "Backup in progress or stale lock file found ..." | tee -a $INFOFILE
        exit 1
    fi

if [ ! -e ${BACKDIR} ]
    then
        cli_msg "ERROR" "Backup directory ${BACKDIR} not found !"
        exit 1
    fi

echo $$ > $LOCKFILE
    
    # Backup start

cli_msg "INFO" "START Database Backup" | tee -a $INFOFILE
    
    pg_dump --username=tryton -w --role=tryton $DB > $BACKDIR/backup\_$DB\_$BACKDATE || bailout

cli_msg "INFO" "Compressing Database Backup" | tee -a $INFOFILE

gzip "${BACKDIR}/backup_${DB}_${BACKDATE}" || bailout
    
    cli_msg "INFO" "Compressing GNU Health Attachment directory" | tee -a $INFOFILE
#AB - start
    BACKUP_NAME=gnuhealth_${DB}_fs_backup_${BACKDATE}.tar.gz
#    tar -cvzf "${BACKDIR}/gnuhealth_${DB}_fs_backup_${BACKDATE}.tar.gz" /var/lib/tryton || bailout
    tar -cvzf "${BACKDIR}/${BACKUP_NAME}" /var/lib/tryton || bailout

cli_msg "INFO" "Creating tarball with compressed DB and GNU Health Attachment directory" | tee -a $INFOFILE

tar -cvf "${BACKDIR}/gnuhealth_${DB}_with_fs_backup_${BACKDATE}.tar" \
        ${BACKDIR}/backup_${DB}_${BACKDATE}.gz ${BACKDIR}/${BACKUP_NAME} \
        || bailout
     
    cli_msg "INFO" "Backup successfully written to ${BACKDIR}/${BACKUP_NAME}" | tee -a $INFOFILE
#AB - END
#Remove lock file
    rm $LOCKFILE

}

check_status()
{

systemctl status gnuhealth

}

check_download_dir()
{
    if [ -d $UPDATE_DOWNLOAD_DIR ]; then
        echo "Update download directory exists. Bailing out"
        exit 1
    fi
}

check_updates()
{

cli_msg "INFO" "Running zypper to check for updates"
     zypper lu | grep "trytond , gnuhealth"
    
}

install_updates()
{

if [ $2 == "--dry-run" ];then
            zypper up -D -- "trytond*" "gnuhealth*"
        exit 0
    fi

sudo zypper up -- "trytond*" "gnuhealth*"

}

relink_mods()
{
        
    sudo systemctl restart gnuhealth

}
    
do_update()
{
    if [ $# -gt 1 ];then
        if [ $2 != "--dry-run" ];then
        cli_msg "ERROR" "Unrecognized update option"
        exit 1
        fi
    fi

check_download_dir
    get_current_values
    check_updates
    if [ $# -gt 1 ];then
        if [ $2 == "--dry-run" ];then
            exit 0
        fi
    fi
    install_updates
#    remove_old
    relink_mods 
}

getlang() {
    if [ $# -eq 1 ]; then
        usage
    fi
    
    local lang_to_install=$2
    local lang_file=${lang_to_install}.zip
    cli_msg "INFO" "Going to modules directory ${GNUHEALTH_DIR} "

cd ${GNUHEALTH_DIR} || exit 1
    cli_msg "INFO" "Retrieving language pack file for ${lang_to_install}"
    wget ${TRANSLATE_URL}/export/?path=/${lang_to_install}/GNUHEALTH/ -O $UPDATE_DOWNLOAD_DIR/${lang_file} || exit 1
    cli_msg "INFO" "Installing / Updating language files for ${lang_to_install} ..."

bsdtar --strip-components 3 --exclude *webdav3* --exclude *caldav* -xzf $UPDATE_DOWNLOAD_DIR/${lang_file} || exit 1
    cli_msg "INFO" "Language pack ${lang_to_install} sucessfully installed / updated"
    chmod -R a+r ${GNUHEALTH_DIR}
    cli_msg "INFO" "Read permissions set"
    cli_msg "INFO" "You now need to update the database modules"

}

bailout() {
    cli_msg "ERROR"  "Bailing out !"
    cli_msg "ERROR"  "Removing backup lock file"
    rm -f $LOCKFILE
    rm -rf $UPDATE_DOWNLOAD_DIR
    exit 1
}

parse_command_line()
{
    if [ $# -eq 0 ]; then
        usage
    fi
    
    case $1 in
        version) echo $VERSION;;
        backup) do_backup $@;;
        update) do_update $@;;
        status) check_status;;
        getlang) getlang $@;;
        help) help;;
        *) echo $1: Unrecognized command; exit 1;;
    esac
}

parse_command_line $@

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File gnuhealth-control of Package gnuhealth (Revision 17e1163324ee2cdfa0cd69662d77b740)

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