#!/usr/bin/env bash

# ``prep-base`` handles the preparations for installing and configuring
# the "base" configuration of DevStack.


# Keep track of the devstack directory
GRENADE_DIR=$(cd $(dirname "$0") && pwd)

# Import common functions
source $GRENADE_DIR/functions

# Determine what system we are running on.  This provides ``os_VENDOR``,
# ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
# and ``DISTRO``
GetDistro

# Source params
source $GRENADE_DIR/grenaderc

# For debugging
set -o xtrace


# System Preparation
# ==================

# perform cleanup to ensure a clean starting environment
##add a config opt to still do this?
##rm -rf $BASE_DEVSTACK_DIR

# Get DevStack if it doesn't exist
if [[ ! -d $BASE_DEVSTACK_DIR ]]; then
    git_clone $BASE_DEVSTACK_REPO $BASE_DEVSTACK_DIR $BASE_DEVSTACK_BRANCH
fi

# Load up a copy of the downloaded images if not present
if [[ -d ${STACK_ROOT}/images ]]; then
    rsync -a ${STACK_ROOT}/images/* $BASE_DEVSTACK_DIR/files
fi

# Set up base localrc

# if localrc exists and localrc.orig does not exist, save localrc  to localrc.orig
if [[ -r $BASE_DEVSTACK_DIR/localrc && ! -r $BASE_DEVSTACK_DIR/localrc.orig ]]; then
    mv $BASE_DEVSTACK_DIR/localrc $BASE_DEVSTACK_DIR/localrc.orig
fi

# put devstack.localrc.target in place as localrc
sed -e "
    s|\@BASE_RELEASE_DIR\@|$BASE_RELEASE_DIR|
    s|\@DATA_DIR@|$DATA_DIR|
" $GRENADE_DIR/devstack.localrc.base >$BASE_DEVSTACK_DIR/localrc

# if localrc.orig exists, append it to localrc
if [[ -r $BASE_DEVSTACK_DIR/localrc.orig ]]; then
    echo "#vvvvvvvvvv devstack-vm-gate.sh localrc vvvvvvvvvv" >>$BASE_DEVSTACK_DIR/localrc
    cat $BASE_DEVSTACK_DIR/localrc.orig >>$BASE_DEVSTACK_DIR/localrc
fi

# if devstack.localrc exists append it to locarc
if [[ -r $GRENADE_DIR/devstack.localrc ]]; then
    echo "#vvvvvvvvvv devstack.localrc vvvvvvvvvv" >>$BASE_DEVSTACK_DIR/localrc
    cat $GRENADE_DIR/devstack.localrc >>$BASE_DEVSTACK_DIR/localrc
fi

# NOTE(sdague): remove as soon as we can get cliff to work with older python
# toolchains for setuputils
pip_install 'cliff>=1.4.3,<1.4.5'