Improve MidoNet integration

Since midonet has become open source, we can build it from
external plugin scripts. The way to enable it is using the devstack
plugin approach:

    disable_service n-net
    enable_service q-svc
    enable_service q-dhcp
    enable_service q-meta
    enable_plugin networking-midonet \
        http://github.com/stackforge/networking-midonet
    Q_PLUGIN=midonet

and should download and build the last master branch of midonet.

Change-Id: I795f92f9d3c97b2c35bac712c6edfc032eff345a

lib/neutron_plugins/midonet

@@ -1,100 +1,4 @@
 #!/bin/bash
-#
-# Neutron MidoNet plugin
-# ----------------------
 
-MIDONET_DIR=${MIDONET_DIR:-$DEST/midonet}
+# REVISIT(devvesa): This file is intentionally left empty
-MIDONET_API_PORT=${MIDONET_API_PORT:-8080}
+# in order to keep Q_PLUGIN=midonet work.
-MIDONET_API_URL=${MIDONET_API_URL:-http://localhost:$MIDONET_API_PORT/midonet-api}
-
-# Save trace setting
-MN_XTRACE=$(set +o | grep xtrace)
-set +o xtrace
-
-function is_neutron_ovs_base_plugin {
-    # MidoNet does not use l3-agent
-    # 0 means True here
-    return 1
-}
-
-function neutron_plugin_create_nova_conf {
-    NOVA_VIF_DRIVER=${NOVA_VIF_DRIVER:-"nova.virt.libvirt.vif.LibvirtGenericVIFDriver"}
-}
-
-function neutron_plugin_install_agent_packages {
-    :
-}
-
-function neutron_plugin_configure_common {
-    Q_PLUGIN_CONF_PATH=etc/neutron/plugins/midonet
-    Q_PLUGIN_CONF_FILENAME=midonet.ini
-    Q_PLUGIN_CLASS="neutron.plugins.midonet.plugin.MidonetPluginV2"
-
-    # MidoNet implements LBaaS API in the plugin, not as an LBaaS driver.
-    # In this model, the plugin references the 'neutron_lbaas' module but
-    # does not require starting an LBaaS service.  Devstack, however, clones
-    # 'neutron_lbaas' only if 'lbaas' service is enabled.  To get around this,
-    # always clone 'neutron_lbaas' so that it is made available to the plugin.
-    # Also, discontinue if the 'lbaas' service is enabled.
-    if is_service_enabled q-lbaas; then
-        die $LINENO "LBaaS service should be disabled for the MidoNet plugin"
-    fi
-    git_clone $NEUTRON_LBAAS_REPO $NEUTRON_LBAAS_DIR $NEUTRON_LBAAS_BRANCH
-    setup_develop $NEUTRON_LBAAS_DIR
-}
-
-function neutron_plugin_configure_debug_command {
-    :
-}
-
-function neutron_plugin_configure_dhcp_agent {
-    DHCP_DRIVER=${DHCP_DRIVER:-"neutron.plugins.midonet.agent.midonet_driver.DhcpNoOpDriver"}
-    neutron_plugin_setup_interface_driver $Q_DHCP_CONF_FILE
-    iniset $Q_DHCP_CONF_FILE DEFAULT dhcp_driver $DHCP_DRIVER
-    iniset $Q_DHCP_CONF_FILE DEFAULT use_namespaces True
-    iniset $Q_DHCP_CONF_FILE DEFAULT enable_isolated_metadata True
-}
-
-function neutron_plugin_configure_l3_agent {
-    die $LINENO "q-l3 must not be executed with MidoNet plugin!"
-}
-
-function neutron_plugin_configure_plugin_agent {
-    die $LINENO "q-agt must not be executed with MidoNet plugin!"
-}
-
-function neutron_plugin_configure_service {
-    if [[ "$MIDONET_API_URL" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE MIDONET midonet_uri $MIDONET_API_URL
-    fi
-    if [[ "$MIDONET_USERNAME" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE MIDONET username $MIDONET_USERNAME
-    fi
-    if [[ "$MIDONET_PASSWORD" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE MIDONET password $MIDONET_PASSWORD
-    fi
-    if [[ "$MIDONET_PROJECT_ID" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE MIDONET project_id $MIDONET_PROJECT_ID
-    fi
-
-    Q_L3_ENABLED=True
-    Q_L3_ROUTER_PER_TENANT=True
-}
-
-function neutron_plugin_setup_interface_driver {
-    local conf_file=$1
-    iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.MidonetInterfaceDriver
-}
-
-function has_neutron_plugin_security_group {
-    # 0 means True here
-    return 0
-}
-
-function neutron_plugin_check_adv_test_requirements {
-    # 0 means True here
-    return 1
-}
-
-# Restore xtrace
-$MN_XTRACE

lib/neutron_thirdparty/midonet

@@ -1,51 +0,0 @@
-#!/bin/bash
-#
-# MidoNet
-# -------
-
-# This file implements functions required to configure MidoNet as the third-party
-# system used with devstack's Neutron.  To include this file, specify the following
-# variables in localrc:
-#
-# * enable_service midonet
-#
-
-# MidoNet devstack destination dir
-MIDONET_DIR=${MIDONET_DIR:-$DEST/midonet}
-
-# MidoNet client repo
-MIDONET_CLIENT_REPO=${MIDONET_CLIENT_REPO:-https://github.com/midokura/python-midonetclient.git}
-MIDONET_CLIENT_BRANCH=${MIDONET_CLIENT_BRANCH:-master}
-MIDONET_CLIENT_DIR=${MIDONET_CLIENT_DIR:-$MIDONET_DIR/python-midonetclient}
-
-# Save trace setting
-MN3_XTRACE=$(set +o | grep xtrace)
-set +o xtrace
-
-function configure_midonet {
-    :
-}
-
-function init_midonet {
-    :
-}
-
-function install_midonet {
-    git_clone $MIDONET_CLIENT_REPO $MIDONET_CLIENT_DIR $MIDONET_CLIENT_BRANCH
-    export PYTHONPATH=$MIDONET_CLIENT_DIR/src:$PYTHONPATH
-}
-
-function start_midonet {
-    :
-}
-
-function stop_midonet {
-    :
-}
-
-function check_midonet {
-    :
-}
-
-# Restore xtrace
-$MN3_XTRACE