# lib/rally
# Functions to control the configuration and operation of the **Rally**

# Dependencies:
#
# - ``functions`` file
# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined

# ``stack.sh`` calls the entry points in this order:
#
# - install_rally
# - configure_rally
# - init_rally

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


# Defaults
# --------

# Set up default directories
DIR=$(dirname ${BASH_SOURCE[0]})
RALLY_DIR=$(readlink -m $DIR/../..)
RALLY_CONF_DIR=${RALLY_CONF_DIR:-/etc/rally}
RALLY_CONF_FILE=rally.conf

# Debug mode
RALLY_DEBUG=${RALLY_DEBUG:-False}

# Create deployment
RALLY_ADD_DEPLOYMENT=${RALLY_ADD_DEPLOYMENT:-"True"}
RALLY_ADD_DEPLOYMENT=$(trueorfalse True $RALLY_ADD_DEPLOYMENT)

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

# Creates a configuration file for the current deployment
# Uses the following variables:
#
# - ``ADMIN_PASSWORD``, ``KEYSTONE_SERVICE_PROTOCOL``,
#   ``KEYSTONE_SERVICE_HOST``, ``KEYSTONE_SERVICE_PORT``,
#   ``IDENTITY_API_VERSION`` - must be defined
#
# _create_deployment_config filename
function _create_deployment_config() {
if [[ "$IDENTITY_API_VERSION" == 2.0 ]]
then
    cat >$1 <<EOF
{
    "type": "ExistingCloud",
    "creds": {
        "openstack": {
            "auth_url": "$KEYSTONE_AUTH_URI/v$IDENTITY_API_VERSION",
            "region_name": "$REGION_NAME",
            "admin": {
                "username": "admin",
                "password": "$ADMIN_PASSWORD",
                "tenant_name": "admin",
            }
        }
    }
}
EOF
fi
if [[ "$IDENTITY_API_VERSION" == 3 ]]
then
    cat >$1 <<EOF
{
    "type": "ExistingCloud",
    "creds": {
        "openstack": {
            "auth_url": "$KEYSTONE_AUTH_URI_V3",
            "region_name": "$REGION_NAME",
            "admin": {
                "username": "admin",
                "password": "$ADMIN_PASSWORD",
                "project_name": "admin",
                "user_domain_name": "Default",
                "project_domain_name": "Default"
            }
        }
    }
}
EOF
fi
}

# install_rally() - Collect source and prepare
function install_rally() {
    setup_develop $RALLY_DIR
}

# configure_rally() - Set config files, create data dirs, etc
function configure_rally() {

    if [[ ! -d $RALLY_CONF_DIR ]]; then
        sudo mkdir -p $RALLY_CONF_DIR
    fi
    sudo chown $STACK_USER $RALLY_CONF_DIR

    # Copy over rally configuration file and configure common parameters.
    cp $RALLY_DIR/etc/rally/rally.conf.sample $RALLY_CONF_DIR/$RALLY_CONF_FILE

    iniset $RALLY_CONF_DIR/$RALLY_CONF_FILE DEFAULT debug $RALLY_DEBUG

    iniset $RALLY_CONF_DIR/$RALLY_CONF_FILE database connection `database_connection_url rally`

    iniset $RALLY_CONF_DIR/$RALLY_CONF_FILE DEFAULT use_syslog $SYSLOG
}


# init_rally() - Initialize databases, etc.
function init_rally() {
    recreate_database rally utf8
    # Recreate rally database
    rally-manage --config-file $RALLY_CONF_DIR/$RALLY_CONF_FILE db recreate
    # Add current DevStack deployment to Rally
    if [ "$RALLY_ADD_DEPLOYMENT" = "True" ]; then
        local tmpfile=$(mktemp)
        _create_deployment_config $tmpfile
        rally --config-file $RALLY_CONF_DIR/$RALLY_CONF_FILE deployment create --name devstack --filename $tmpfile
    fi
}

# Restore xtrace
$XTRACE

# Tell emacs to use shell-script-mode
## Local variables:
## mode: shell-script
## End: