#!/usr/bin/env bash
TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
source "$TOP_DIR/config/paths"
source "$CONFIG_DIR/credentials"
source "$CONFIG_DIR/openstack"
source "$LIB_DIR/functions.guest"
source "$CONFIG_DIR/admin-openstackrc.sh"
exec_logfile

indicate_current_auto

#------------------------------------------------------------------------------
# Set up Block Storage service (cinder).
#------------------------------------------------------------------------------

echo "Installing cinder."

sudo apt-get install -y lvm2

echo "Configuring LVM physical and logical volumes."
cinder_loop_path=/var/lib/cinder-volumes
cinder_loop_dev=/dev/loop2
sudo dd if=/dev/zero of=$cinder_loop_path bs=1 count=0 seek=2G
sudo losetup $cinder_loop_dev $cinder_loop_path
sudo pvcreate $cinder_loop_dev
sudo vgcreate cinder-volumes $cinder_loop_dev

# Tell upstart to run losetup again when the system is rebooted
cat << UPSTART | sudo tee "/etc/init/cinder-losetup.conf"
description "Set up loop device for cinder."

start on mounted MOUNTPOINT=/
task
exec /sbin/losetup $cinder_loop_dev $cinder_loop_path
UPSTART

sudo apt-get install -y cinder-volume

function get_database_url {
    local db_user=$(service_to_db_user cinder)
    local db_password=$(service_to_db_password cinder)
    local database_host=controller-mgmt

    echo "mysql://$db_user:$db_password@$database_host/cinder"
}

database_url=$(get_database_url)

echo "Configuring cinder."

echo "Setting database connection: $database_url."
iniset_sudo /etc/cinder/cinder.conf database connection "$database_url"

cinder_admin_user=$(service_to_user_name cinder)
cinder_admin_password=$(service_to_user_password cinder)

echo "Configuring cinder to use keystone for authentication."

conf=/etc/cinder/cinder.conf
echo "Configuring $conf."

# Configure [keystone_authtoken] section.
iniset_sudo $conf keystone_authtoken auth_uri "http://controller-mgmt:5000"
iniset_sudo $conf keystone_authtoken auth_host controller-mgmt
iniset_sudo $conf keystone_authtoken auth_port 35357
iniset_sudo $conf keystone_authtoken auth_protocol http
iniset_sudo $conf keystone_authtoken admin_tenant_name "$SERVICE_TENANT_NAME"
iniset_sudo $conf keystone_authtoken admin_user "$cinder_admin_user"
iniset_sudo $conf keystone_authtoken admin_password "$cinder_admin_password"

# Configure [DEFAULT] section.
iniset_sudo $conf DEFAULT rpc_backend cinder.openstack.common.rpc.impl_kombu
iniset_sudo $conf DEFAULT rabbit_host controller-mgmt
iniset_sudo $conf DEFAULT rabbit_port 5672
iniset_sudo $conf DEFAULT rabbit_userid guest
iniset_sudo $conf DEFAULT rabbit_password "$RABBIT_PASSWORD"
iniset_sudo $conf DEFAULT glance_host controller-mgmt

echo "Restarting cinder service."
sudo service cinder-volume restart
sudo service tgt restart