#!/bin/bash

if [[ -f $TOP_DIR/../../old/devstack/.localrc.auto ]]; then
    source <(cat $TOP_DIR/../../old/devstack/.localrc.auto | grep -v 'enable_plugin')
fi

CIRROS_VERSION=0.3.5

# Whether configure the nodes to boot in Legacy BIOS or UEFI mode. Accepted
# values are: "bios" or "uefi", defaults to "bios".
#
# WARNING: UEFI is EXPERIMENTAL. The CirrOS images uploaded by DevStack by
# default WILL NOT WORK with UEFI.
IRONIC_BOOT_MODE=${IRONIC_BOOT_MODE:-bios}

IRONIC_DEFAULT_IMAGE_NAME=cirros-${CIRROS_VERSION}-x86_64-uec
if [[ "$IRONIC_BOOT_MODE" == "uefi" ]]; then
    IRONIC_DEFAULT_IMAGE_NAME=cirros-d160722-x86_64-uec
fi

IRONIC_IMAGE_NAME=${DEFAULT_IMAGE_NAME:-$IRONIC_DEFAULT_IMAGE_NAME}

# Add link to download queue, ignore if already exist.
# TODO(vsaienko) Move to devstack https://review.openstack.org/420656
function add_image_link {
    local i_link="$1"
    if ! [[ "$IMAGE_URLS"  =~ "$i_link" ]]; then
        if [[ -z "$IMAGE_URLS" || "${IMAGE_URLS: -1}" == "," ]]; then
            IMAGE_URLS+="$i_link"
        else
            IMAGE_URLS+=",$i_link"
        fi
    fi
}

if [[ "$IRONIC_BOOT_MODE" == "uefi" ]]; then
    add_image_link http://download.cirros-cloud.net/daily/20160722/cirros-d160722-x86_64-uec.tar.gz
    add_image_link http://download.cirros-cloud.net/daily/20160722/cirros-d160722-x86_64-disk.img
else
    # NOTE (vsaienko) We are going to test mixed drivers/partitions in single setup.
    # Do not restrict downloading image only for specific case. Download both disk and uec images.
    # NOTE (vdrok): Here the images are actually pre-cached by devstack, in
    # the files folder, so they won't be downloaded again.
    add_image_link http://download.cirros-cloud.net/${CIRROS_VERSION}/cirros-${CIRROS_VERSION}-x86_64-uec.tar.gz
    add_image_link http://download.cirros-cloud.net/${CIRROS_VERSION}/cirros-${CIRROS_VERSION}-x86_64-disk.img
fi

export IRONIC_WHOLEDISK_IMAGE_NAME=${IRONIC_WHOLEDISK_IMAGE_NAME:-${IRONIC_IMAGE_NAME/-uec/-disk}}
export IRONIC_PARTITIONED_IMAGE_NAME=${IRONIC_PARTITIONED_IMAGE_NAME:-${IRONIC_IMAGE_NAME/-disk/-uec}}

# These parameters describe which image will be used to provision a node in
# tempest tests
if [[ -z "$IRONIC_TEMPEST_WHOLE_DISK_IMAGE" && "$IRONIC_VM_EPHEMERAL_DISK" == 0 ]]; then
    IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True
fi

IRONIC_TEMPEST_WHOLE_DISK_IMAGE=$(trueorfalse False IRONIC_TEMPEST_WHOLE_DISK_IMAGE)

if [[ "$IRONIC_TEMPEST_WHOLE_DISK_IMAGE" == "True" ]]; then
    export IRONIC_IMAGE_NAME=$IRONIC_WHOLEDISK_IMAGE_NAME
else
    export IRONIC_IMAGE_NAME=$IRONIC_PARTITIONED_IMAGE_NAME
fi

# NOTE(vsaienko) set DEFAULT_IMAGE_NAME here, as it is still used by grenade
# https://github.com/openstack-dev/grenade/blob/90c4ead2f2a7ed48c873c51cef415b83d655752e/projects/60_nova/resources.sh#L31
export DEFAULT_IMAGE_NAME=$IRONIC_IMAGE_NAME