# lib/nova_plugins/hypervisor-xenserver
# Configure the XenServer hypervisor

# Enable with:
# VIRT_DRIVER=xenserver

# Dependencies:
# ``functions`` file
# ``nova`` configuration

# install_nova_hypervisor - install any external requirements
# configure_nova_hypervisor - make configuration changes, including those to other services
# start_nova_hypervisor - start any external services
# stop_nova_hypervisor - stop any external services
# cleanup_nova_hypervisor - remove transient data and cache

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


# Defaults
# --------

PUBLIC_INTERFACE_DEFAULT=eth2
GUEST_INTERFACE_DEFAULT=eth1
# Allow ``build_domU.sh`` to specify the flat network bridge via kernel args
FLAT_NETWORK_BRIDGE_DEFAULT=$(sed -e 's/.* flat_network_bridge=\([[:alnum:]]*\).*$/\1/g' /proc/cmdline)
if is_service_enabled neutron; then
    XEN_INTEGRATION_BRIDGE=$(sed -e 's/.* xen_integration_bridge=\([[:alnum:]]*\).*$/\1/g' /proc/cmdline)
fi

VNCSERVER_PROXYCLIENT_ADDRESS=${VNCSERVER_PROXYCLIENT_ADDRESS=169.254.0.1}


# Entry Points
# ------------

# clean_nova_hypervisor - Clean up an installation
function cleanup_nova_hypervisor() {
    # This function intentionally left blank
    :
}

# configure_nova_hypervisor - Set config files, create data dirs, etc
function configure_nova_hypervisor() {
    if [ -z "$XENAPI_CONNECTION_URL" ]; then
        die $LINENO "XENAPI_CONNECTION_URL is not specified"
    fi
    read_password XENAPI_PASSWORD "ENTER A PASSWORD TO USE FOR XEN."
    iniset $NOVA_CONF DEFAULT compute_driver "xenapi.XenAPIDriver"
    iniset $NOVA_CONF DEFAULT xenapi_connection_url "$XENAPI_CONNECTION_URL"
    iniset $NOVA_CONF DEFAULT xenapi_connection_username "$XENAPI_USER"
    iniset $NOVA_CONF DEFAULT xenapi_connection_password "$XENAPI_PASSWORD"
    iniset $NOVA_CONF DEFAULT flat_injected "False"
    # Need to avoid crash due to new firewall support
    XEN_FIREWALL_DRIVER=${XEN_FIREWALL_DRIVER:-"nova.virt.firewall.IptablesFirewallDriver"}
    iniset $NOVA_CONF DEFAULT firewall_driver "$XEN_FIREWALL_DRIVER"
}

# install_nova_hypervisor() - Install external components
function install_nova_hypervisor() {
    # This function intentionally left blank
    :
}

# start_nova_hypervisor - Start any required external services
function start_nova_hypervisor() {
    # This function intentionally left blank
    :
}

# stop_nova_hypervisor - Stop any external services
function stop_nova_hypervisor() {
    # This function intentionally left blank
    :
}


# Restore xtrace
$MY_XTRACE

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