#!/bin/bash
#
# lib/tempest
# Install and configure Tempest

# Dependencies:
#
# - ``functions`` file
# - ``lib/nova`` service is running
# - Global vars that are assumed to be defined:
#   - ``DEST``, ``FILES``
#   - ``ADMIN_PASSWORD``
#   - ``DEFAULT_IMAGE_NAME``
#   - ``S3_SERVICE_PORT``
#   - ``SERVICE_HOST``
#   - ``BASE_SQL_CONN`` ``lib/database`` declares
#   - ``PUBLIC_NETWORK_NAME``
#   - ``Q_ROUTER_NAME``
#   - ``Q_L3_ENABLED``
#   - ``VIRT_DRIVER``
#   - ``LIBVIRT_TYPE``
#   - ``KEYSTONE_SERVICE_PROTOCOL``, ``KEYSTONE_SERVICE_HOST`` from lib/keystone
#
# Optional Dependencies:
#
# - ``ALT_*``
# - ``LIVE_MIGRATION_AVAILABLE``
# - ``USE_BLOCK_MIGRATION_FOR_LIVE_MIGRATION``
# - ``DEFAULT_INSTANCE_TYPE``
# - ``DEFAULT_INSTANCE_USER``
# - ``CINDER_ENABLED_BACKENDS``
# - ``NOVA_ALLOW_DUPLICATE_NETWORKS``
#
# ``stack.sh`` calls the entry points in this order:
#
# - install_tempest
# - configure_tempest

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


# Defaults
# --------

# Set up default directories
GITDIR["tempest-lib"]=$DEST/tempest-lib

TEMPEST_DIR=$DEST/tempest
TEMPEST_CONFIG_DIR=${TEMPEST_CONFIG_DIR:-$TEMPEST_DIR/etc}
TEMPEST_CONFIG=$TEMPEST_CONFIG_DIR/tempest.conf
TEMPEST_STATE_PATH=${TEMPEST_STATE_PATH:=$DATA_DIR/tempest}

NOVA_SOURCE_DIR=$DEST/nova

BUILD_INTERVAL=1

# This is the timeout that tempest will wait for a VM to change state,
# spawn, delete, etc.
# The default is set to 196 seconds.
BUILD_TIMEOUT=${BUILD_TIMEOUT:-196}

# This must be False on stable branches, as master tempest
# deps do not match stable branch deps. Set this to True to
# have tempest installed in DevStack by default.
INSTALL_TEMPEST=${INSTALL_TEMPEST:-"True"}

# Cinder/Volume variables
TEMPEST_VOLUME_DRIVER=${TEMPEST_VOLUME_DRIVER:-default}
TEMPEST_DEFAULT_VOLUME_VENDOR="Open Source"
TEMPEST_VOLUME_VENDOR=${TEMPEST_VOLUME_VENDOR:-$TEMPEST_DEFAULT_VOLUME_VENDOR}
TEMPEST_DEFAULT_STORAGE_PROTOCOL="iSCSI"
TEMPEST_STORAGE_PROTOCOL=${TEMPEST_STORAGE_PROTOCOL:-$TEMPEST_DEFAULT_STORAGE_PROTOCOL}

# Neutron/Network variables
IPV6_ENABLED=$(trueorfalse True IPV6_ENABLED)
IPV6_SUBNET_ATTRIBUTES_ENABLED=$(trueorfalse True IPV6_SUBNET_ATTRIBUTES_ENABLED)

# Do we want to make a configuration where Tempest has admin on
# the cloud. We don't always want to so that we can ensure Tempest
# would work on a public cloud.
TEMPEST_HAS_ADMIN=$(trueorfalse True TEMPEST_HAS_ADMIN)

# Credential provider configuration option variables
TEMPEST_ALLOW_TENANT_ISOLATION=${TEMPEST_ALLOW_TENANT_ISOLATION:-$TEMPEST_HAS_ADMIN}
TEMPEST_USE_TEST_ACCOUNTS=$(trueorfalse False TEMPEST_USE_TEST_ACCOUNTS)

# The number of workers tempest is expected to be run with. This is used for
# generating a accounts.yaml for running with test-accounts. This is also the
# same variable that devstack-gate uses to specify the number of workers that
# it will run tempest with
TEMPEST_CONCURRENCY=${TEMPEST_CONCURRENCY:-$(nproc)}


# Functions
# ---------

# remove_disabled_extension - removes disabled extensions from the list of extensions
# to test for a given service
function remove_disabled_extensions {
    local extensions_list=$1
    shift
    local disabled_exts=$*
    remove_disabled_services "$extensions_list" "$disabled_exts"
}

# configure_tempest() - Set config files, create data dirs, etc
function configure_tempest {
    if [[ "$INSTALL_TEMPEST" == "True" ]]; then
        setup_develop $TEMPEST_DIR
    else
        # install testr since its used to process tempest logs
        pip_install_gr testrepository
    fi

    local image_lines
    local images
    local num_images
    local image_uuid
    local image_uuid_alt
    local password
    local line
    local flavors
    local available_flavors
    local flavors_ref
    local flavor_lines
    local public_network_id
    local public_router_id
    local ssh_connect_method="floating"

    # Save IFS
    ifs=$IFS

    # Glance should already contain images to be used in tempest
    # testing. Here we simply look for images stored in Glance
    # and set the appropriate variables for use in the tempest config
    # We ignore ramdisk and kernel images, look for the default image
    # ``DEFAULT_IMAGE_NAME``. If not found, we set the ``image_uuid`` to the
    # first image returned and set ``image_uuid_alt`` to the second,
    # if there is more than one returned...
    # ... Also ensure we only take active images, so we don't get snapshots in process
    declare -a images

    if is_service_enabled glance; then
        while read -r IMAGE_NAME IMAGE_UUID; do
            if [ "$IMAGE_NAME" = "$DEFAULT_IMAGE_NAME" ]; then
                image_uuid="$IMAGE_UUID"
                image_uuid_alt="$IMAGE_UUID"
            fi
            images+=($IMAGE_UUID)
        done < <(openstack image list --property status=active | awk -F'|' '!/^(+--)|ID|aki|ari/ { print $3,$2 }')

        case "${#images[*]}" in
            0)
                echo "Found no valid images to use!"
                exit 1
                ;;
            1)
                if [ -z "$image_uuid" ]; then
                    image_uuid=${images[0]}
                    image_uuid_alt=${images[0]}
                fi
                ;;
            *)
                if [ -z "$image_uuid" ]; then
                    image_uuid=${images[0]}
                    image_uuid_alt=${images[1]}
                fi
                ;;
        esac
    fi

    # (Re)create ``tempest.conf``
    # Create every time because the image UUIDS are going to change
    sudo install -d -o $STACK_USER $TEMPEST_CONFIG_DIR
    rm -f $TEMPEST_CONFIG

    local password=${ADMIN_PASSWORD:-secret}

    # See ``lib/keystone`` where these users and tenants are set up
    local admin_username=${ADMIN_USERNAME:-admin}
    local admin_project_name=${ADMIN_TENANT_NAME:-admin}
    local admin_domain_name=${ADMIN_DOMAIN_NAME:-Default}
    local tempest_username=${TEMPEST_USERNAME:-demo}
    local tempest_project_name=${TEMPEST_TENANT_NAME:-demo}
    local alt_username=${ALT_USERNAME:-alt_demo}
    local alt_project_name=${ALT_TENANT_NAME:-alt_demo}
    local admin_project_id
    admin_project_id=$(openstack project list | awk "/ admin / { print \$2 }")

    if is_service_enabled nova; then
        # If ``DEFAULT_INSTANCE_TYPE`` is not declared, use the new behavior
        # Tempest creates its own instance types
        available_flavors=$(nova flavor-list)
        if  [[ -z "$DEFAULT_INSTANCE_TYPE" ]]; then
            if [[ ! ( $available_flavors =~ 'm1.nano' ) ]]; then
                nova flavor-create m1.nano 42 64 0 1
            fi
            flavor_ref=42
            if [[ ! ( $available_flavors =~ 'm1.micro' ) ]]; then
                nova flavor-create m1.micro 84 128 0 1
            fi
            flavor_ref_alt=84
        else
            # Check Nova for existing flavors, if ``DEFAULT_INSTANCE_TYPE`` is set use it.
            IFS=$'\r\n'
            flavors=""
            for line in $available_flavors; do
                f=$(echo $line | awk "/ $DEFAULT_INSTANCE_TYPE / { print \$2 }")
                flavors="$flavors $f"
            done

            for line in $available_flavors; do
                flavors="$flavors `echo $line | grep -v "^\(|\s*ID\|+--\)" | cut -d' ' -f2`"
            done

            IFS=" "
            flavors=($flavors)
            num_flavors=${#flavors[*]}
            echo "Found $num_flavors flavors"
            if [[ $num_flavors -eq 0 ]]; then
                echo "Found no valid flavors to use!"
                exit 1
            fi
            flavor_ref=${flavors[0]}
            flavor_ref_alt=$flavor_ref

            # Ensure ``flavor_ref`` and ``flavor_ref_alt`` have different values.
            # Some resize instance in tempest tests depends on this.
            for f in ${flavors[@]:1}; do
                if [[ $f -ne $flavor_ref ]]; then
                    flavor_ref_alt=$f
                    break
                fi
            done
        fi
    fi

    ssh_connect_method=${TEMPEST_SSH_CONNECT_METHOD:-$ssh_connect_method}

    if [ "$Q_L3_ENABLED" = "True" ]; then
        public_network_id=$(neutron net-list | grep $PUBLIC_NETWORK_NAME | \
            awk '{print $2}')
    fi

    iniset $TEMPEST_CONFIG DEFAULT use_syslog $SYSLOG

    # Oslo
    iniset $TEMPEST_CONFIG oslo_concurrency lock_path $TEMPEST_STATE_PATH
    mkdir -p $TEMPEST_STATE_PATH
    iniset $TEMPEST_CONFIG DEFAULT use_stderr False
    iniset $TEMPEST_CONFIG DEFAULT log_file tempest.log
    iniset $TEMPEST_CONFIG DEFAULT debug True

    # Timeouts
    iniset $TEMPEST_CONFIG compute build_timeout $BUILD_TIMEOUT
    iniset $TEMPEST_CONFIG volume build_timeout $BUILD_TIMEOUT

    # Identity
    iniset $TEMPEST_CONFIG identity uri "$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:5000/v2.0/"
    iniset $TEMPEST_CONFIG identity uri_v3 "$KEYSTONE_SERVICE_URI_V3"
    if [[ "$TEMPEST_HAS_ADMIN" == "True" ]]; then
        iniset $TEMPEST_CONFIG auth admin_username $admin_username
        iniset $TEMPEST_CONFIG auth admin_password "$password"
        iniset $TEMPEST_CONFIG auth admin_tenant_name $admin_project_name
        iniset $TEMPEST_CONFIG auth admin_tenant_id $admin_project_id
        iniset $TEMPEST_CONFIG auth admin_domain_name $admin_domain_name
    fi
    if [ "$ENABLE_IDENTITY_V2" == "False" ]; then
        # Only Identity v3 is available; then skip Identity API v2 tests
        iniset $TEMPEST_CONFIG identity-feature-enabled api_v2 False
        # In addition, use v3 auth tokens for running all Tempest tests
        iniset $TEMPEST_CONFIG identity auth_version v3
    else
        iniset $TEMPEST_CONFIG identity auth_version ${TEMPEST_AUTH_VERSION:-v2}
    fi

    if is_ssl_enabled_service "key" || is_service_enabled tls-proxy; then
        iniset $TEMPEST_CONFIG identity ca_certificates_file $SSL_BUNDLE_FILE
    fi

    # Image
    # We want to be able to override this variable in the gate to avoid
    # doing an external HTTP fetch for this test.
    if [[ ! -z "$TEMPEST_HTTP_IMAGE" ]]; then
        iniset $TEMPEST_CONFIG image http_image $TEMPEST_HTTP_IMAGE
    fi
    if [ "$VIRT_DRIVER" = "xenserver" ]; then
        iniset $TEMPEST_CONFIG image disk_formats "ami,ari,aki,vhd,raw,iso"
    fi

    # Image Features
    iniset $TEMPEST_CONFIG image-feature-enabled deactivate_image True

    # Compute
    iniset $TEMPEST_CONFIG compute ssh_user ${DEFAULT_INSTANCE_USER:-cirros} # DEPRECATED
    iniset $TEMPEST_CONFIG compute image_ref $image_uuid
    iniset $TEMPEST_CONFIG compute image_ref_alt $image_uuid_alt
    iniset $TEMPEST_CONFIG compute image_alt_ssh_user ${ALT_INSTANCE_USER:-cirros}
    iniset $TEMPEST_CONFIG compute flavor_ref $flavor_ref
    iniset $TEMPEST_CONFIG compute flavor_ref_alt $flavor_ref_alt
    iniset $TEMPEST_CONFIG compute ssh_connect_method $ssh_connect_method
    # set the equiv validation option here as well to ensure they are
    # in sync. They shouldn't be separate options.
    iniset $TEMPEST_CONFIG validation connect_method $ssh_connect_method
    if [[ ! $(is_service_enabled n-cell) && ! $(is_service_enabled neutron) ]]; then
        iniset $TEMPEST_CONFIG compute fixed_network_name $PRIVATE_NETWORK_NAME
    fi

    # Set the service catalog entry for Tempest to run on. Typically
    # used to try different compute API version targets. The tempest
    # default if 'compute', which is typically valid, so only set this
    # if you want to change it.
    if [[ -n "$TEMPEST_COMPUTE_TYPE" ]]; then
        iniset $TEMPEST_CONFIG compute catalog_type $TEMPEST_COMPUTE_TYPE
    fi

    # Compute Features
    # Run ``verify_tempest_config -ur`` to retrieve enabled extensions on API endpoints
    # NOTE(mtreinish): This must be done after auth settings are added to the tempest config
    local tmp_cfg_file
    tmp_cfg_file=$(mktemp)
    cd $TEMPEST_DIR
    if [[ "$OFFLINE" != "True" ]]; then
        tox -revenv --notest
    fi

    # Auth
    iniset $TEMPEST_CONFIG auth tempest_roles "Member"
    if [[ $TEMPEST_USE_TEST_ACCOUNTS == "True" ]]; then
        if [[ $TEMPEST_HAS_ADMIN == "True" ]]; then
            tempest-account-generator -c $TEMPEST_CONFIG --os-username $admin_username --os-password "$password" --os-tenant-name $admin_project_name -r $TEMPEST_CONCURRENCY --with-admin etc/accounts.yaml
        else
            tempest-account-generator -c $TEMPEST_CONFIG --os-username $admin_username --os-password "$password" --os-tenant-name $admin_project_name -r $TEMPEST_CONCURRENCY etc/accounts.yaml
        fi
        iniset $TEMPEST_CONFIG auth use_dynamic_credentials False
        iniset $TEMPEST_CONFIG auth test_accounts_file "etc/accounts.yaml"
    elif [[ $TEMPEST_HAS_ADMIN == "False" ]]; then
        iniset $TEMPEST_CONFIG auth use_dynamic_credentials ${TEMPEST_ALLOW_TENANT_ISOLATION:-False}

    else
        iniset $TEMPEST_CONFIG auth use_dynamic_credentials ${TEMPEST_ALLOW_TENANT_ISOLATION:-True}
    fi

    # NOTE(mtreinish): Respect constraints on tempest verify-config venv
    tox -evenv -- pip install -c $REQUIREMENTS_DIR/upper-constraints.txt -r requirements.txt
    tox -evenv -- tempest verify-config -uro $tmp_cfg_file

    local compute_api_extensions=${COMPUTE_API_EXTENSIONS:-"all"}
    if [[ ! -z "$DISABLE_COMPUTE_API_EXTENSIONS" ]]; then
        # Enabled extensions are either the ones explicitly specified or those available on the API endpoint
        compute_api_extensions=${COMPUTE_API_EXTENSIONS:-$(iniget $tmp_cfg_file compute-feature-enabled api_extensions | tr -d " ")}
        # Remove disabled extensions
        compute_api_extensions=$(remove_disabled_extensions $compute_api_extensions $DISABLE_COMPUTE_API_EXTENSIONS)
    fi

    # Set the microversion range for compute tests.
    # This is used to run the Nova microversions tests.
    # Setting [None, latest] range of microversion which allow Tempest to run all microversions tests.
    # NOTE- To avoid microversion tests failure on stable branch, we need to change "tempest_compute_max_microversion"
    #       for stable branch on each release which should be changed from "latest" to max supported version of that release.
    local tempest_compute_min_microversion=${TEMPEST_COMPUTE_MIN_MICROVERSION:-None}
    local tempest_compute_max_microversion=${TEMPEST_COMPUTE_MAX_MICROVERSION:-"latest"}
    # Reset microversions to None where v2.0 is running which does not support microversion.
    # Both "None" means no microversion testing.
    if [[ "$TEMPEST_COMPUTE_TYPE" == "compute_legacy" ]]; then
        tempest_compute_min_microversion=None
        tempest_compute_max_microversion=None
    fi
    if [ "$tempest_compute_min_microversion" == "None" ]; then
        inicomment $TEMPEST_CONFIG compute-feature-enabled min_microversion
    else
        iniset $TEMPEST_CONFIG compute-feature-enabled min_microversion $tempest_compute_min_microversion
    fi
    if [ "$tempest_compute_max_microversion" == "None" ]; then
        inicomment $TEMPEST_CONFIG compute-feature-enabled max_microversion
    else
        iniset $TEMPEST_CONFIG compute-feature-enabled max_microversion $tempest_compute_max_microversion
    fi

    iniset $TEMPEST_CONFIG compute-feature-enabled resize True
    iniset $TEMPEST_CONFIG compute-feature-enabled live_migration ${LIVE_MIGRATION_AVAILABLE:-False}
    iniset $TEMPEST_CONFIG compute-feature-enabled change_password False
    iniset $TEMPEST_CONFIG compute-feature-enabled block_migration_for_live_migration ${USE_BLOCK_MIGRATION_FOR_LIVE_MIGRATION:-False}
    iniset $TEMPEST_CONFIG compute-feature-enabled api_extensions $compute_api_extensions
    # TODO(mriedem): Remove the preserve_ports flag when Juno is end of life.
    iniset $TEMPEST_CONFIG compute-feature-enabled preserve_ports True
    # TODO(gilliard): Remove the live_migrate_paused_instances flag when Juno is end of life.
    iniset $TEMPEST_CONFIG compute-feature-enabled live_migrate_paused_instances True
    iniset $TEMPEST_CONFIG compute-feature-enabled attach_encrypted_volume ${ATTACH_ENCRYPTED_VOLUME_AVAILABLE:-True}
    # TODO(mriedem): Remove this when kilo-eol happens since the
    # neutron.allow_duplicate_networks option was removed from nova in Liberty
    # and is now the default behavior.
    iniset $TEMPEST_CONFIG compute-feature-enabled allow_duplicate_networks ${NOVA_ALLOW_DUPLICATE_NETWORKS:-True}
    if is_service_enabled n-cell; then
        # Cells doesn't support shelving/unshelving
        iniset $TEMPEST_CONFIG compute-feature-enabled shelve False
        # Cells doesn't support hot-plugging virtual interfaces.
        iniset $TEMPEST_CONFIG compute-feature-enabled interface_attach False

        if  [[ -z "$DEFAULT_INSTANCE_TYPE" ]]; then
            # Cells supports resize but does not currently work with devstack
            # because of the custom flavors created for Tempest runs which are
            # not in the cells database.
            # TODO(mriedem): work on adding a nova-manage command to sync
            # flavors into the cells database.
            iniset $TEMPEST_CONFIG compute-feature-enabled resize False
        fi
    fi

    # Network
    iniset $TEMPEST_CONFIG network api_version 2.0
    iniset $TEMPEST_CONFIG network tenant_networks_reachable false
    iniset $TEMPEST_CONFIG network public_network_id "$public_network_id"
    iniset $TEMPEST_CONFIG network public_router_id "$public_router_id"
    iniset $TEMPEST_CONFIG network default_network "$FIXED_RANGE"
    iniset $TEMPEST_CONFIG network-feature-enabled ipv6 "$IPV6_ENABLED"
    iniset $TEMPEST_CONFIG network-feature-enabled ipv6_subnet_attributes "$IPV6_SUBNET_ATTRIBUTES_ENABLED"

    local network_api_extensions=${NETWORK_API_EXTENSIONS:-"all"}
    if [[ ! -z "$DISABLE_NETWORK_API_EXTENSIONS" ]]; then
        # Enabled extensions are either the ones explicitly specified or those available on the API endpoint
        network_api_extensions=${NETWORK_API_EXTENSIONS:-$(iniget $tmp_cfg_file network-feature-enabled api_extensions | tr -d " ")}
        # Remove disabled extensions
        network_api_extensions=$(remove_disabled_extensions $network_api_extensions $DISABLE_NETWORK_API_EXTENSIONS)
    fi
    iniset $TEMPEST_CONFIG network-feature-enabled api_extensions $network_api_extensions

    # Orchestration Tests
    if is_service_enabled heat; then
        if [[ ! -z "$HEAT_CFN_IMAGE_URL" ]]; then
            iniset $TEMPEST_CONFIG orchestration image_ref $(basename "${HEAT_CFN_IMAGE_URL%.*}")
        fi
        # Nova might not be enabled, especially when we want to test tempest scenario/API that only create Neutron resources
        if is_service_enabled nova; then
            # build a specialized heat flavor
            available_flavors=$(nova flavor-list)
            if [[ ! ( $available_flavors =~ 'm1.heat' ) ]]; then
                nova flavor-create m1.heat 451 512 0 1
            fi
            iniset $TEMPEST_CONFIG orchestration instance_type "m1.heat"
        fi
        iniset $TEMPEST_CONFIG orchestration build_timeout 900
        iniset $TEMPEST_CONFIG orchestration stack_owner_role "_member_"
    fi

    # Scenario
    SCENARIO_IMAGE_DIR=${SCENARIO_IMAGE_DIR:-$FILES/images/cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-uec}
    iniset $TEMPEST_CONFIG scenario img_dir $SCENARIO_IMAGE_DIR
    iniset $TEMPEST_CONFIG scenario ami_img_file "cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-blank.img"
    iniset $TEMPEST_CONFIG scenario ari_img_file "cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-initrd"
    iniset $TEMPEST_CONFIG scenario aki_img_file "cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-vmlinuz"
    iniset $TEMPEST_CONFIG scenario img_file "cirros-${CIRROS_VERSION}-${CIRROS_ARCH}-disk.img"

    # Large Ops Number
    iniset $TEMPEST_CONFIG scenario large_ops_number ${TEMPEST_LARGE_OPS_NUMBER:-0}

    # Telemetry
    iniset $TEMPEST_CONFIG telemetry-feature-enabled events "True"

    # Object Store
    local object_storage_api_extensions=${OBJECT_STORAGE_API_EXTENSIONS:-"all"}
    if [[ ! -z "$DISABLE_OBJECT_STORAGE_API_EXTENSIONS" ]]; then
        # Enabled extensions are either the ones explicitly specified or those available on the API endpoint
        object_storage_api_extensions=${OBJECT_STORAGE_API_EXTENSIONS:-$(iniget $tmp_cfg_file object-storage-feature-enabled discoverable_apis | tr -d " ")}
        # Remove disabled extensions
        object_storage_api_extensions=$(remove_disabled_extensions $object_storage_api_extensions $DISABLE_STORAGE_API_EXTENSIONS)
    fi
    iniset $TEMPEST_CONFIG object-storage-feature-enabled discoverable_apis $object_storage_api_extensions

    # Validation
    iniset $TEMPEST_CONFIG validation run_validation ${TEMPEST_RUN_VALIDATION:-False}
    iniset $TEMPEST_CONFIG validation ip_version_for_ssh 4
    iniset $TEMPEST_CONFIG validation ssh_timeout $BUILD_TIMEOUT
    iniset $TEMPEST_CONFIG validation image_ssh_user ${DEFAULT_INSTANCE_USER:-cirros}
    iniset $TEMPEST_CONFIG validation network_for_ssh $PRIVATE_NETWORK_NAME

    # Volume
    # TODO(obutenko): Remove the incremental_backup_force flag when Kilo and Juno is end of life.
    iniset $TEMPEST_CONFIG volume-feature-enabled incremental_backup_force True
    # TODO(ynesenenko): Remove the volume_services flag when Liberty and Kilo will correct work with host info.
    iniset $TEMPEST_CONFIG volume-feature-enabled volume_services True

    local volume_api_extensions=${VOLUME_API_EXTENSIONS:-"all"}
    if [[ ! -z "$DISABLE_VOLUME_API_EXTENSIONS" ]]; then
        # Enabled extensions are either the ones explicitly specified or those available on the API endpoint
        volume_api_extensions=${VOLUME_API_EXTENSIONS:-$(iniget $tmp_cfg_file volume-feature-enabled api_extensions | tr -d " ")}
        # Remove disabled extensions
        volume_api_extensions=$(remove_disabled_extensions $volume_api_extensions $DISABLE_VOLUME_API_EXTENSIONS)
    fi
    iniset $TEMPEST_CONFIG volume-feature-enabled api_extensions $volume_api_extensions

    if ! is_service_enabled c-bak; then
        iniset $TEMPEST_CONFIG volume-feature-enabled backup False
    fi

    # Using ``CINDER_ENABLED_BACKENDS``
    if [[ -n "$CINDER_ENABLED_BACKENDS" ]] && [[ $CINDER_ENABLED_BACKENDS =~ .*,.* ]]; then
        iniset $TEMPEST_CONFIG volume-feature-enabled multi_backend "True"
        local i=1
        local be
        for be in ${CINDER_ENABLED_BACKENDS//,/ }; do
            local be_name=${be##*:}
            iniset $TEMPEST_CONFIG volume "backend${i}_name" "$be_name"
            i=$(( i + 1 ))
        done
    fi

    if [ $TEMPEST_VOLUME_DRIVER != "default" -o \
        "$TEMPEST_VOLUME_VENDOR" != "$TEMPEST_DEFAULT_VOLUME_VENDOR" ]; then
        iniset $TEMPEST_CONFIG volume vendor_name "$TEMPEST_VOLUME_VENDOR"
    fi
    if [ $TEMPEST_VOLUME_DRIVER != "default" -o \
        "$TEMPEST_STORAGE_PROTOCOL" != "$TEMPEST_DEFAULT_STORAGE_PROTOCOL" ]; then
        iniset $TEMPEST_CONFIG volume storage_protocol "$TEMPEST_STORAGE_PROTOCOL"
    fi

    # Dashboard
    iniset $TEMPEST_CONFIG dashboard dashboard_url "http://$SERVICE_HOST/"

    # CLI
    iniset $TEMPEST_CONFIG cli cli_dir $NOVA_BIN_DIR

    # Baremetal
    if [ "$VIRT_DRIVER" = "ironic" ] ; then
        iniset $TEMPEST_CONFIG baremetal driver_enabled True
        iniset $TEMPEST_CONFIG baremetal unprovision_timeout $BUILD_TIMEOUT
        iniset $TEMPEST_CONFIG baremetal active_timeout $BUILD_TIMEOUT
        iniset $TEMPEST_CONFIG baremetal deploy_img_dir $FILES
        iniset $TEMPEST_CONFIG baremetal node_uuid $IRONIC_NODE_UUID
        iniset $TEMPEST_CONFIG compute-feature-enabled change_password False
        iniset $TEMPEST_CONFIG compute-feature-enabled console_output False
        iniset $TEMPEST_CONFIG compute-feature-enabled interface_attach False
        iniset $TEMPEST_CONFIG compute-feature-enabled live_migration False
        iniset $TEMPEST_CONFIG compute-feature-enabled pause False
        iniset $TEMPEST_CONFIG compute-feature-enabled rescue False
        iniset $TEMPEST_CONFIG compute-feature-enabled resize False
        iniset $TEMPEST_CONFIG compute-feature-enabled shelve False
        iniset $TEMPEST_CONFIG compute-feature-enabled snapshot False
        iniset $TEMPEST_CONFIG compute-feature-enabled suspend False
    fi

    # Libvirt-LXC
    if [ "$VIRT_DRIVER" = "libvirt" ] && [ "$LIBVIRT_TYPE" = "lxc" ]; then
        iniset $TEMPEST_CONFIG compute-feature-enabled rescue False
        iniset $TEMPEST_CONFIG compute-feature-enabled resize False
        iniset $TEMPEST_CONFIG compute-feature-enabled shelve False
        iniset $TEMPEST_CONFIG compute-feature-enabled snapshot False
        iniset $TEMPEST_CONFIG compute-feature-enabled suspend False
    fi

    # ``service_available``
    #
    # this tempest service list needs to be all the services that
    # tempest supports, otherwise we can have an erroneous set of
    # defaults (something defaulting true in Tempest, but not listed here).
    local service
    local tempest_services="key,glance,nova,neutron,cinder,swift,heat,ceilometer,horizon,sahara,ironic,trove"
    for service in ${tempest_services//,/ }; do
        if is_service_enabled $service ; then
            iniset $TEMPEST_CONFIG service_available $service "True"
        else
            iniset $TEMPEST_CONFIG service_available $service "False"
        fi
    done

    if [ "$VIRT_DRIVER" = "libvirt" ] && [ "$LIBVIRT_TYPE" = "lxc" ]; then
        # libvirt-lxc does not support boot from volume or attaching volumes
        # so basically anything with cinder is out of the question.
        iniset $TEMPEST_CONFIG service_available cinder "False"
    fi

    # Restore IFS
    IFS=$ifs
}


# install_tempest_lib() - Collect source, prepare, and install ``tempest-lib``
function install_tempest_lib {
    if use_library_from_git "tempest-lib"; then
        git_clone_by_name "tempest-lib"
        setup_dev_lib "tempest-lib"
        # NOTE(mtreinish) For testing ``tempest-lib`` from git with Tempest we need to
        # put the git version of ``tempest-lib`` in the Tempest job's tox venv
        export PIP_VIRTUAL_ENV=${PROJECT_VENV["tempest"]}
        setup_dev_lib "tempest-lib"
        unset PIP_VIRTUAL_ENV
    fi
}

# install_tempest() - Collect source and prepare
function install_tempest {
    git_clone $TEMPEST_REPO $TEMPEST_DIR $TEMPEST_BRANCH
    pip_install tox
    pushd $TEMPEST_DIR
    tox --notest -efull
    # NOTE(mtreinish) Respect constraints in the tempest full venv, things that
    # are using a tox job other than full will not be respecting constraints but
    # running pip install -U on tempest requirements
    $TEMPEST_DIR/.tox/full/bin/pip install -c $REQUIREMENTS_DIR/upper-constraints.txt -r requirements.txt
    PROJECT_VENV["tempest"]=${TEMPEST_DIR}/.tox/full
    install_tempest_lib
    popd
}

# Restore xtrace
$_XTRACE_TEMPEST

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