# lib/murano

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

# ``stack.sh`` calls the entry points in this order:
#
# install_murano
# configure_murano
# start_murano
# stop_murano


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


# Defaults
# --------

# Set up default repos
MURANO_REPO=${MURANO_REPO:-${GIT_BASE}/stackforge/murano-api.git}
MURANO_BRANCH=${MURANO_BRANCH:-master}

MURANO_COMMON_REPO=${MURANO_COMMON_REPO:-${GIT_BASE}/stackforge/murano-common.git}
MURANO_COMMON_DIR=$DEST/murano-common

# Set up default directories
MURANO_DIR=$DEST/murano-api
MURANO_CONF_DIR=${MURANO_CONF_DIR:-/etc/murano}
MURANO_CONF_FILE=${MURANO_CONF_DIR}/murano-api.conf
MURANO_DEBUG=${MURANO_DEBUG:-True}

MURANO_SERVICE_HOST=${MURANO_SERVICE_HOST:-$SERVICE_HOST}
MURANO_SERVICE_PORT=${MURANO_SERVICE_PORT:-8082}
MURANO_SERVICE_PROTOCOL=${MURANO_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}

# Support entry points installation of console scripts
if [[ -d $MURANO_DIR/bin ]]; then
    MURANO_BIN_DIR=$MURANO_DIR/bin
else
    MURANO_BIN_DIR=$(get_python_exec_prefix)
fi


# create_murano_accounts() - Set up common required murano accounts
#
# Tenant      User       Roles
# ------------------------------
# service     murano     admin
function create_murano_accounts() {

    SERVICE_TENANT=$(openstack project list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
    ADMIN_ROLE=$(openstack role list | awk "/ admin / { print \$2 }")

    MURANO_USER=$(openstack user create \
        murano \
        --password "$SERVICE_PASSWORD" \
        --project $SERVICE_TENANT \
        --email murano@example.com \
        | grep " id " | get_field 2)

    openstack role add \
        $ADMIN_ROLE \
        --project $SERVICE_TENANT \
        --user $MURANO_USER

    if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
        MURANO_SERVICE=$(openstack service create \
            murano \
            --type=application_catalog \
            --description="Application Catalog" \
            | grep " id " | get_field 2)
        openstack endpoint create \
            $MURANO_SERVICE \
            --region RegionOne \
            --publicurl "$MURANO_SERVICE_PROTOCOL://$MURANO_SERVICE_HOST:$MURANO_SERVICE_PORT/v1" \
            --adminurl "$MURANO_SERVICE_PROTOCOL://$MURANO_SERVICE_HOST:$MURANO_SERVICE_PORT/v1" \
            --internalurl "$MURANO_SERVICE_PROTOCOL://$MURANO_SERVICE_HOST:$MURANO_SERVICE_PORT/v1"
    fi
}


function mkdir_chown_stack {
    if [[ ! -d "$1" ]]; then
        sudo mkdir -p "$1"
    fi
    sudo chown $STACK_USER "$1"
}

# Entry points
# ------------

# configure_murano() - Set config files, create data dirs, etc
function configure_murano {
    mkdir_chown_stack "$MURANO_CONF_DIR"

    # Copy over Murano configuration file and configure common parameters.
    cp $MURANO_DIR/etc/murano/murano-api.conf.sample $MURANO_CONF_FILE
    cp $MURANO_DIR/etc/murano/murano-api-paste.ini $MURANO_CONF_DIR

    iniset $MURANO_CONF_FILE DEFAULT debug $MURANO_DEBUG
    iniset $MURANO_CONF_FILE DEFAULT use_syslog $SYSLOG


    # Murano Api Configuration
    #-------------------------

    # Setup keystone_authtoken section
    iniset $MURANO_CONF_FILE keystone_authtoken auth_host $KEYSTONE_AUTH_HOST
    iniset $MURANO_CONF_FILE keystone_authtoken auth_port $KEYSTONE_AUTH_PORT
    iniset $MURANO_CONF_FILE keystone_authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
    iniset $MURANO_CONF_FILE keystone_authtoken cafile $KEYSTONE_SSL_CA
    iniset $MURANO_CONF_FILE keystone_authtoken admin_tenant_name $SERVICE_TENANT_NAME
    iniset $MURANO_CONF_FILE keystone_authtoken admin_user murano
    iniset $MURANO_CONF_FILE keystone_authtoken admin_password $SERVICE_PASSWORD

    # configure the rpc service.
    iniset_rpc_backend muranoapi $MURANO_CONF_FILE DEFAULT

    # TODO(ruhe): get rid of this ugly workaround
    inicomment $MURANO_CONF_FILE DEFAULT rpc_backend

    # configure the database.
    iniset $MURANO_CONF_FILE database connection `database_connection_url murano`
}


# init_murano() - Initialize databases, etc.
function init_murano() {
    # (re)create Murano database
    recreate_database murano utf8

    # TODO(ruhe): run DB migration script. it doesn't exist yet!!!
    # $MURANO_BIN_DIR/murano-db-manage --config-file $MURANO_CONF_FILE upgrade head
}


# install_murano() - Collect source and prepare
function install_murano() {
    git_clone $MURANO_REPO $MURANO_DIR $MURANO_BRANCH
    setup_develop $MURANO_DIR
}


# start_murano() - Start running processes, including screen
function start_murano() {
    screen_it murano-api "cd $MURANO_DIR && $MURANO_BIN_DIR/murano-api --config-file $MURANO_CONF_DIR/murano-api.conf"
}


# stop_murano() - Stop running processes
function stop_murano() {
    # Kill the Murano screen windows
    screen -S $SCREEN_NAME -p murano-api -X kill
}


# Restore xtrace
$XTRACE

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