#!/bin/bash
#
# lib/libvirt
#
# Dependencies:
# TODO: Fill this out

# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace


# Uses globals ``REQUIREMENTS_DIR``
# Uses functions ``get_from_global_requirements``
function pre_install_libvirt_ubuntu {
    # NOTE(markus_z): The command "add-apt-repository" is not available
    # in the test nodes. We add it here:
    sudo apt-get install -y software-properties-common
    # We don't use install_package as we know we're on ubuntu and we do a few
    # "special" things to make the plugin "just work"
    sudo add-apt-repository -y cloud-archive:liberty
    sudo apt-get update

    # NOTE(tonyb): This will nuke any/all libvirt config changes
    sudo apt-get -o Dpkg::Options::="--force-confnew,confmiss" \
        install -y \
            libvirt-{bin,dev}=1.2.16-2ubuntu11.15.10.3~cloud0 \
            qemu-{kvm,utils}=1:2.3+dfsg-5ubuntu9.1~cloud0

    # We *need* to ensure that libvirt-python is built against the new version
    # of libvirt.so.0  Bypass the cache.  This is little sub-optimal becuase we
    # bypass both the http and wheel caches when we really only want to bypass
    # the wheel cache.  Ho Hum
    sudo pip install --no-cache-dir --upgrade --no-deps --force-reinstall \
            -c $REQUIREMENTS_DIR/upper-constraints.txt \
            $(get_from_global_requirements libvirt-python)
}

function shutdown_libvirt_ubuntu {
    # NOTE(tonyb): This will nuke any/all libvirt config changes
    sudo apt-get purge -y   libvirt-bin libvirt-dev libvirt0 \
                            qemu-kvm qemu-utils qemu-system-x86 \
                            qemu-system-common qemu-block-extra:amd64 seabios
    # This is overkill
    # sudo apt-get autoremove -y
    sudo add-apt-repository -y -r cloud-archive:liberty
    sudo rm /etc/apt/sources.list.d/cloudarchive-liberty.list*
    # Be nice to whomever folows and make sure apt-get install libvirt-bin
    # will work *and* not be from UCA
    sudo apt-get update
    # Make sure we don't leave an almost certainly broken libvirt-python
    # installed
    sudo pip uninstall -y libvirt-python
    # Remove the package we installed in "pre_install_libvirt_ubuntu"
    sudo apt-get purge -y software-properties-common
}


function pre_install_libvirt {
    if is_ubuntu; then
        pre_install_libvirt_ubuntu
    else
        echo "libvirt isn't available for $DISTRO"
    fi
}

function install_libvirt {
    # Install the service.
    :
}

function configure_libvirt {
    # Configure the service.
    :
}

function init_add_libvirt {
    # Initialize and start the service.
    :
}

function shutdown_libvirt {
    if is_ubuntu; then
        shutdown_libvirt_ubuntu
    fi
}

# FIXME: Need to work on the cleanup side
function cleanup_libvirt {
    # Cleanup the service.
    :
}

# Restore xtrace
$XTRACE

## Local variables:
## mode: shell-script
## End: