#!/bin/bash

# Copyright 2015 VMware, Inc.
#
# All Rights Reserved
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.


# Neutron VMware NSX plugin
# -------------------------

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

source $TOP_DIR/lib/neutron_plugins/ovs_base

function setup_integration_bridge {
    _neutron_ovs_base_setup_bridge $OVS_BRIDGE
    sudo ovs-vsctl set-manager tcp:127.0.0.1:6632
    sudo ovs-vsctl set bridge $OVS_BRIDGE external_ids:bridge-id=nsx-managed
}

function is_neutron_ovs_base_plugin {
    # NSX uses OVS, but not the l3-agent
    return 0
}

function neutron_plugin_create_nova_conf {
    # if n-cpu is enabled, then setup integration bridge
    if is_service_enabled n-cpu; then
        setup_integration_bridge
        iniset $NOVA_CONF neutron ovs_bridge $OVS_BRIDGE
    fi
}

function neutron_plugin_install_agent_packages {
    # VMware NSX Plugin does not run q-agt, but it currently needs dhcp and metadata agents
    _neutron_ovs_base_install_agent_packages
}

function neutron_plugin_configure_common {
    Q_PLUGIN_CONF_PATH=etc/neutron/plugins/vmware
    Q_PLUGIN_CONF_FILENAME=nsx.ini
    Q_PLUGIN_SRC_CONF_PATH=vmware-nsx/etc
    mkdir -p /$Q_PLUGIN_CONF_PATH
    cp $DEST/$Q_PLUGIN_SRC_CONF_PATH/$Q_PLUGIN_CONF_FILENAME /$Q_PLUGIN_CONF_PATH/$Q_PLUGIN_CONF_FILENAME
    Q_PLUGIN_CLASS="vmware_nsx.plugin.NsxV3Plugin"
}

function neutron_plugin_configure_debug_command {
    sudo ovs-vsctl --no-wait -- --may-exist add-br $PUBLIC_BRIDGE
    iniset $NEUTRON_TEST_CONFIG_FILE DEFAULT external_network_bridge "$PUBLIC_BRIDGE"
}

function neutron_plugin_configure_dhcp_agent {
    setup_integration_bridge
    iniset $Q_DHCP_CONF_FILE DEFAULT enable_isolated_metadata True
    iniset $Q_DHCP_CONF_FILE DEFAULT enable_metadata_network True
    iniset $Q_DHCP_CONF_FILE DEFAULT ovs_use_veth True
    iniset $Q_DHCP_CONF_FILE DEFAULT ovs_integration_bridge $OVS_BRIDGE
}

function neutron_plugin_configure_l3_agent {
    # VMware NSX plugin does not run L3 agent
    die $LINENO "q-l3 should not be executed with VMware NSX plugin!"
}

function neutron_plugin_configure_plugin_agent {
    # VMware NSX plugin does not run L2 agent
    die $LINENO "q-agt must not be executed with VMware NSX plugin!"
}

function _nsxv3_ini_set {
    if [[ $2 != "" ]]; then
        iniset /$Q_PLUGIN_CONF_FILE nsx_v3 $1 $2
    elif [[ $3 != "" ]]; then
        die $LINENO $3
    fi
}

function neutron_plugin_configure_service {
    _nsxv3_ini_set default_overlay_tz_uuid $DEFAULT_OVERLAY_TZ_UUID "The VMware NSX plugin won't work without a default transport zone."
    _nsxv3_ini_set default_vlan_tz_uuid $DEFAULT_VLAN_TZ_UUID
    if [[ "$DEFAULT_EDGE_CLUSTER_UUID" != "" ]]; then
        iniset /$Q_PLUGIN_CONF_FILE nsx_v3 default_edge_cluster_uuid $DEFAULT_EDGE_CLUSTER_UUID
        Q_L3_ENABLED=True
        Q_L3_ROUTER_PER_TENANT=True
    fi
    # NSX_MANAGER must be a comma separated string
    if [[ "$NSX_MANAGERS" != "" ]]; then
        _nsxv3_ini_set nsx_api_managers $NSX_MANAGERS
    elif [[ "$NSX_MANAGER" != "" ]]; then
        _nsxv3_ini_set nsx_api_managers $NSX_MANAGER
    else
        die $LINENO "The VMware NSX plugin needs at least one NSX manager."
    fi
    if [[ "$NSX_L2GW_DRIVER" != "" ]]; then
        iniset /$Q_PLUGIN_CONF_FILE DEFAULT nsx_l2gw_driver $NSX_L2GW_DRIVER
    fi
    _nsxv3_ini_set default_tier0_router_uuid $DEFAULT_TIER0_ROUTER_UUID
    _nsxv3_ini_set nsx_api_user $NSX_USER
    _nsxv3_ini_set nsx_api_password $NSX_PASSWORD
    _nsxv3_ini_set retries $NSX_RETRIES
    _nsxv3_ini_set insecure $NSX_INSECURE
    _nsxv3_ini_set ca_file $NSX_CA_FILE
    _nsxv3_ini_set default_bridge_cluster_uuid $DEFAULT_BRIDGE_CLUSTER_UUID
}

function neutron_plugin_setup_interface_driver {
    local conf_file=$1
    iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
}

function neutron_plugin_check_adv_test_requirements {
    is_service_enabled q-dhcp && return 0
}

# Restore xtrace
$NSX_XTRACE