Configuration changes required to support VMware NSX plugin

(Formerly known as Nicira NVP plugin).

Following Neutron change 79fbeb7ebebc0dfbe143aee96fbc250d1b9e7582,
this patch introduces the new naming scheme for Neutron VMware NSX
plugin configuration.

Related-blueprint: nvp-third-part-support (aka bp vmware-nsx-third-party)
Partial-implements blueprint: nicira-plugin-renaming

Change-Id: If7790887661507bfdec6d2b97c0f99609039aa73
diff --git a/lib/neutron_plugins/vmware_nsx b/lib/neutron_plugins/vmware_nsx
new file mode 100644
index 0000000..d506cb6
--- /dev/null
+++ b/lib/neutron_plugins/vmware_nsx
@@ -0,0 +1,150 @@
+# Neutron VMware NSX plugin
+# -------------------------
+
+# Save trace setting
+MY_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 $OVS_BRIDGE
+    # Set manager to NSX controller (1st of list)
+    if [[ "$NSX_CONTROLLERS" != "" ]]; then
+        # Get the first controller
+        controllers=(${NSX_CONTROLLERS//,/ })
+        OVS_MGR_IP=${controllers[0]}
+    else
+        die $LINENO "Error - No controller specified. Unable to set a manager for OVS"
+    fi
+    sudo ovs-vsctl set-manager ssl:$OVS_MGR_IP
+}
+
+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
+    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_DB_NAME="neutron_nsx"
+    # TODO(armando-migliaccio): rename this once the code rename is complete
+    Q_PLUGIN_CLASS="neutron.plugins.nicira.NeutronPlugin.NvpPluginV2"
+}
+
+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
+}
+
+function neutron_plugin_configure_l3_agent() {
+    # VMware NSX plugin does not run L3 agent
+    die $LINENO "q-l3 should must not be executed with VMware NSX plugin!"
+}
+
+function neutron_plugin_configure_plugin_agent() {
+    # VMware NSX plugin does not run L2 agent
+    die $LINENO "q-agt must not be executed with VMware NSX plugin!"
+}
+
+function neutron_plugin_configure_service() {
+    if [[ "$MAX_LP_PER_BRIDGED_LS" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE nsx max_lp_per_bridged_ls $MAX_LP_PER_BRIDGED_LS
+    fi
+    if [[ "$MAX_LP_PER_OVERLAY_LS" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE nsx max_lp_per_overlay_ls $MAX_LP_PER_OVERLAY_LS
+    fi
+    if [[ "$FAILOVER_TIME" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE nsx failover_time $FAILOVER_TIME
+    fi
+    if [[ "$CONCURRENT_CONNECTIONS" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE nsx concurrent_connections $CONCURRENT_CONNECTIONS
+    fi
+
+    if [[ "$DEFAULT_TZ_UUID" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT default_tz_uuid $DEFAULT_TZ_UUID
+    else
+        die $LINENO "The VMware NSX plugin won't work without a default transport zone."
+    fi
+    if [[ "$DEFAULT_L3_GW_SVC_UUID" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT default_l3_gw_service_uuid $DEFAULT_L3_GW_SVC_UUID
+        Q_L3_ENABLED=True
+        Q_L3_ROUTER_PER_TENANT=True
+        iniset /$Q_PLUGIN_CONF_FILE nsx metadata_mode access_network
+    fi
+    if [[ "$DEFAULT_L2_GW_SVC_UUID" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT default_l2_gw_service_uuid $DEFAULT_L2_GW_SVC_UUID
+    fi
+    # NSX_CONTROLLERS must be a comma separated string
+    if [[ "$NSX_CONTROLLERS" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT nsx_controllers $NSX_CONTROLLERS
+    else
+        die $LINENO "The VMware NSX plugin needs at least an NSX controller."
+    fi
+    if [[ "$NSX_USER" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT nsx_user $NSX_USER
+    fi
+    if [[ "$NSX_PASSWORD" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT nsx_password $NSX_PASSWORD
+    fi
+    if [[ "$NSX_REQ_TIMEOUT" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT req_timeout $NSX_REQ_TIMEOUT
+    fi
+    if [[ "$NSX_HTTP_TIMEOUT" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT http_timeout $NSX_HTTP_TIMEOUT
+    fi
+    if [[ "$NSX_RETRIES" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT retries $NSX_RETRIES
+    fi
+    if [[ "$NSX_REDIRECTS" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE DEFAULT redirects $NSX_REDIRECTS
+    fi
+    if [[ "$AGENT_MODE" != "" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE nsx agent_mode $AGENT_MODE
+        if [[ "$AGENT_MODE" == "agentless" ]]; then
+            if [[ "$DEFAULT_SERVICE_CLUSTER_UUID" != "" ]]; then
+                iniset /$Q_PLUGIN_CONF_FILE DEFAULT default_service_cluster_uuid $DEFAULT_SERVICE_CLUSTER_UUID
+            else
+                die $LINENO "Agentless mode requires a service cluster."
+            fi
+            iniset /$Q_PLUGIN_CONF_FILE nsx_metadata metadata_server_address $Q_META_DATA_IP
+        fi
+    fi
+}
+
+function neutron_plugin_setup_interface_driver() {
+    local conf_file=$1
+    iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
+}
+
+function has_neutron_plugin_security_group() {
+    # 0 means True here
+    return 0
+}
+
+function neutron_plugin_check_adv_test_requirements() {
+    is_service_enabled q-dhcp && return 0
+}
+
+# Restore xtrace
+$MY_XTRACE