invenio-setup-environment

#!/bin/bash
#
# A helper devscript to set up Invenio development environment.
# (Alters bashrc, sets up /opt/invenio, sets up Python invenio
# symlinks.)  For more information, see
# <https://github.com/tiborsimko/invenio-devscripts>.
#
# Tibor Simko <tibor.simko@cern.ch>
#
# Copyright (C) 2013 CERN.
#
# 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 2 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/>.

# sanity check: CLI confirmation
if [ "$1" != "--yes-i-know" ]; then
    echo "[ERROR] You did not use --yes-i-know.  Not going to set up Invenio development environment."
    exit 1
fi

# sanity check: environment variables
if [ -z "$CFG_INVENIO_SRCDIR" ]; then
    echo "[ERROR] CFG_INVENIO_SRCDIR not set up.  Maybe you want to run invenio-kickstart?  Exiting."
    exit 1
fi
if [ -z "$CFG_INVENIO_PORT_HTTP" ]; then
    echo "[ERROR] CFG_INVENIO_PORT_HTTP not set up.  Maybe you want to run invenio-kickstart?  Exiting."
    exit 1
fi
if [ -z "$CFG_INVENIO_PORT_HTTPS" ]; then
    echo "[ERROR] CFG_INVENIO_PORT_HTTPS not set up.  Maybe you want to run invenio-kickstart?  Exiting."
    exit 1
fi

# quit on errors and potentially unbound symbols:
set -o errexit
set -o nounset

## show command execution:
#set -o xtrace

os_unknown () {
    echo "[ERROR] Cannot detect OS version."
    echo "[ERROR] Please contact authors.  Exiting."
    exit 1
}

common_configure_home () {
    if ! grep -q PATH=.*invenio-devscripts $HOME/.bashrc; then
        echo "export PATH=${CFG_INVENIO_SRCDIR}-devscripts:\$PATH" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_SRCDIR $HOME/.bashrc; then
        echo "export CFG_INVENIO_SRCDIR=$CFG_INVENIO_SRCDIR" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_PORT_HTTP $HOME/.bashrc; then
        echo "export CFG_INVENIO_PORT_HTTP=$CFG_INVENIO_PORT_HTTP" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_PORT_HTTPS $HOME/.bashrc; then
        echo "export CFG_INVENIO_PORT_HTTPS=$CFG_INVENIO_PORT_HTTPS" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_HOSTNAME $HOME/.bashrc; then
        echo "export CFG_INVENIO_HOSTNAME=`hostname -s`" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_DOMAINNAME $HOME/.bashrc; then
        if [ $(uname -s) = "FreeBSD" ]; then
            # FreeBSD does not have "hostname -d" option, so use awk:
            thishostname=$(hostname -f | awk '{print substr($0, index($0,".")+1)}')
        else
            # GNU/Linux can use "hostname -d":
            thishostname=`hostname -d`
        fi
        if [ -z $thishostname ]; then
            thishostname="localdomain"
        fi
        echo "export CFG_INVENIO_DOMAINNAME=$thishostname" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_ADMIN $HOME/.bashrc; then
        echo "export CFG_INVENIO_ADMIN=`whoami`@localhost" >> $HOME/.bashrc
    fi
    chmod go+rx $CFG_INVENIO_SRCDIR # so that sudo -u www-data make install would work later
}

redhat_configure_home () {
    common_configure_home
    if ! grep -q CFG_INVENIO_USER $HOME/.bashrc; then
        echo "export CFG_INVENIO_USER=apache" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_APACHECTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_APACHECTL=/etc/init.d/httpd" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_MYSQLCTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_MYSQLCTL=/etc/init.d/mysqld" >> $HOME/.bashrc
    fi
}

debian_configure_home () {
    common_configure_home
    if ! grep -q CFG_INVENIO_USER $HOME/.bashrc; then
        echo "export CFG_INVENIO_USER=www-data" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_APACHECTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_APACHECTL=/etc/init.d/apache2" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_MYSQLCTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_MYSQLCTL=/etc/init.d/mysql" >> $HOME/.bashrc
    fi
}

freebsd_configure_home () {
    common_configure_home
    if ! grep -q CFG_INVENIO_USER $HOME/.bashrc; then
        echo "export CFG_INVENIO_USER=www" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_APACHECTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_APACHECTL=/usr/local/etc/rc.d/apache22" >> $HOME/.bashrc
    fi
    if ! grep -q CFG_INVENIO_MYSQLCTL $HOME/.bashrc; then
        echo "export CFG_INVENIO_MYSQLCTL=/usr/local/etc/rc.d/mysql-server" >> $HOME/.bashrc
    fi
}

redhat_configure_opt () {
    # apache user is not installed yet at this moment, so we shall use
    # root; later after installing apache we'll fix the rights
    sudo chgrp root /opt
    sudo chmod g+w /opt
    sudo mkdir -p /opt/invenio
    sudo chown -R root.root /opt/invenio
}

debian_configure_opt () {
    sudo chgrp www-data /opt
    sudo chmod g+w /opt
    sudo mkdir -p /opt/invenio
    sudo chown -R www-data.www-data /opt/invenio
}

freebsd_configure_opt () {
    sudo mkdir -p /opt
    sudo chgrp www /opt
    sudo chmod g+w /opt
    sudo mkdir -p /opt/invenio
    sudo chown -R www:www /opt/invenio
}

common_configure_symlinks () {
    for pythonversion in python2.4 python2.6 python2.7; do
        for libversion in lib lib64 local/lib local/lib64; do
            for packageversion in site-packages dist-packages; do
                if [ -d /usr/$libversion/$pythonversion/$packageversion/ ] && [ ! -L /usr/$libversion/$pythonversion/$packageversion/invenio ]; then
                    sudo ln -s /opt/invenio/lib/python/invenio /usr/$libversion/$pythonversion/$packageversion/invenio
                fi
            done
        done
    done
}

redhat_configure_symlinks () {
    sudo -u root mkdir -p /opt/invenio/lib/python/invenio
    common_configure_symlinks
}

debian_configure_symlinks () {
    sudo -u www-data mkdir -p /opt/invenio/lib/python/invenio
    common_configure_symlinks
}

freebsd_configure_symlinks () {
    sudo -u www mkdir -p /opt/invenio/lib/python/invenio
    common_configure_symlinks
}

main () {
    if [ -e /etc/redhat-release ]; then
        redhat_configure_home
        redhat_configure_opt
        redhat_configure_symlinks
    elif [ -e /etc/debian_version ]; then
        debian_configure_home
        debian_configure_opt
        debian_configure_symlinks
    elif [ $(uname -s) = "FreeBSD" ]; then
        freebsd_configure_home
        freebsd_configure_opt
        freebsd_configure_symlinks
    else
        os_unknown
    fi
}


echo "[INFO] $0 started."
main
echo "[INFO] $0 finished."

# end of file