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

indicate_current_auto

#------------------------------------------------------------------------------
# Set up OpenStack Compute (nova) for compute node.
# http://docs.openstack.org/juno/install-guide/install/apt/content/ch_nova.html#nova-compute-install
#------------------------------------------------------------------------------

echo "Installing nova for compute node."
# We can't use KVM inside VirtualBox.
sudo apt-get install -y nova-compute-qemu sysfsutils

echo "Configuring nova for compute node."

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

# Configure RabbitMQ variables
iniset_sudo $conf DEFAULT rpc_backend rabbit
iniset_sudo $conf DEFAULT rabbit_host controller-mgmt
iniset_sudo $conf DEFAULT rabbit_password "$RABBIT_PASSWORD"

# Configuring [DEFAULT] section
iniset_sudo $conf DEFAULT auth_strategy keystone

nova_admin_user=$(service_to_user_name nova)
nova_admin_password=$(service_to_user_password nova)

# Configure [keystone_authtoken] section
iniset_sudo $conf keystone_authtoken auth_uri http://controller-mgmt:5000/v2.0
iniset_sudo $conf keystone_authtoken identity_uri http://controller-mgmt:35357
iniset_sudo $conf keystone_authtoken admin_tenant_name "$SERVICE_TENANT_NAME"
iniset_sudo $conf keystone_authtoken admin_user "$nova_admin_user"
iniset_sudo $conf keystone_authtoken admin_password "$nova_admin_password"

iniset_sudo $conf DEFAULT my_ip "$(hostname_to_ip compute-mgmt)"

iniset_sudo $conf DEFAULT vnc_enabled True
iniset_sudo $conf DEFAULT vncserver_listen 0.0.0.0
iniset_sudo $conf DEFAULT vncserver_proxyclient_address compute-mgmt
iniset_sudo $conf DEFAULT novncproxy_base_url http://"$(hostname_to_ip controller-api)":6080/vnc_auto.html

iniset_sudo $conf glance host controller-mgmt

iniset_sudo $conf DEFAULT verbose True

# Configure nova-compute.conf
conf=/etc/nova/nova-compute.conf
echo -n "Hardware acceleration for virtualization: "
if sudo egrep -q '(vmx|svm)' /proc/cpuinfo; then
    echo "available."
else
    echo "not available."
    iniset_sudo $conf libvirt virt_type qemu
fi
echo "Config: $(sudo grep virt_type $conf)"

echo "Restarting nova services."
sudo service nova-compute restart

# Remove SQLite database created by Ubuntu package for nova.
sudo rm -v /var/lib/nova/nova.sqlite