customize_advanced_image(){
    # Here we customize an advanced image to make it suitable for the plugin tests.
    # Note: the advanced image was downloaded and set by neutron_tempest_plugin.
    # However we can't rely on neutron_tempest_plugin capabilities for customizing
    # the image since it expects a debian/ubuntu based image which does not fit well
    # to this plugin tests.
    # This code modifies the downloaded image by adding packages required by this
    # plugin, uploads the image to glance and if all passed successfully it updates
    # tempest.conf with the new image reference instead of the original one.
    install_package guestfs-tools
    for image_url in ${IMAGE_URLS//,/ }; do
        if [[ $image_url =~ $ADVANCED_IMAGE_NAME ]]; then
            image_file=$(basename $image_url)
            break
        fi
    done
    if [ -n "$image_file" ] && [ -s "$TOP_DIR/files/$image_file" ]; then
        cp -f $TOP_DIR/files/$image_file /tmp
        image_file_custom=/tmp/$image_file
        timeout 150 sudo virt-customize -a $image_file_custom --install nmap,keepalived,iperf3 --selinux-relabel
        if [ "$?" == "0" ]; then
            source $TOP_DIR/openrc admin
            old_image_id=$(openstack image show $ADVANCED_IMAGE_NAME -c id -f value)
            new_image_id=$(openstack image create --disk-format qcow2 --container-format bare --public $ADVANCED_IMAGE_NAME --file $image_file_custom -c id -f value)
            if [ -n "$new_image_id" ]; then
                iniset $TEMPEST_CONFIG neutron_plugin_options advanced_image_ref $new_image_id
                openstack image delete $old_image_id
            fi
        fi
    fi
}

customize_public_network_and_subnet(){
    if [[ $Q_AGENT == "ovn" ]]; then
        # Make external network shared with dhcp enabled to allow tests with VMs
        # on external network to run. Note, we still keep these settings disabled
        # for OVS jobs since they can require additional settings, like ensuring
        # that only a single DHCP server is available on the external network.
        openstack network set --share $PUBLIC_NETWORK_NAME
        openstack subnet set --dhcp $PUBLIC_SUBNET_NAME

        # Decrease external network MTU to allow tests from test_mtu.py to run
        # (rsafrono) tests from test_mtu.py can not be run due to
        # https://bugs.launchpad.net/neutron/+bug/2060828
        # The line should be uncommented once the issue is fixed
        # openstack network set --mtu 1330 $PUBLIC_NETWORK_NAME
    fi
}

if [[ "$1" == "stack" ]]; then
    case "$2" in
        install)
            if [[ "$INSTALL_TEMPEST" == "True" ]]; then
                echo "tempest ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/99_tempest
            fi
            ;;
        test-config)
            customize_advanced_image
            customize_public_network_and_subnet
            ;;
    esac
fi