run-dwarf

#!/bin/bash -eu
#
# Run dwarf in the forground (for testing)
#

if [ $(id -u) -ne 0 ] ; then
    echo "You need to run this script as root"
    exit 1
fi

#
# Create the dwarf group and user
#
if ! getent group dwarf >/dev/null ; then
    groupadd -r dwarf
fi
if ! getent passwd dwarf >/dev/null ; then
    useradd -r -g dwarf -G dwarf,libvirt -d /var/lib/dwarf \
            -s /sbin/nologin dwarf
fi

#
# Create the persistent working directory
#
mkdir -p /var/lib/dwarf/instances/_base
mkdir -p /var/lib/dwarf/images
chown -R dwarf:dwarf /var/lib/dwarf

#
# Create the temporary source directory
#
tmpd=$(mktemp -d /tmp/dwarf-XXXXXXXXXXXX)
trap "rm -rf ${tmpd} " EXIT

#
# Copy the source
#
cp -aR bin dwarf ${tmpd}
find ${tmpd} -type d | xargs chmod 777
find ${tmpd} -type f | xargs chmod 644
chmod 777 ${tmpd}/bin/*

#
# Copy the sudoer file
#
cp etc/sudoers.d/dwarf /etc/sudoers.d/dwarf
chown root:root /etc/sudoers.d/dwarf
chmod 440 /etc/sudoers.d/dwarf

#
# Initialize the database
#
if ! [ -e /var/lib/dwarf/dwarf.db ] ; then
    su -s /bin/sh -c "${tmpd}/bin/dwarf-manage db-init" dwarf
fi

#
# Stop the dwarf service
#
if [ -e /lib/systemd/system/dwarf.service ] ; then
    systemctl stop dwarf.service
fi

#
# Finally run it
#
su -s /bin/sh -c "${tmpd}/bin/dwarf -s" dwarf