!45 Add distributed traffic feature support

From: @A_L_I_E_Z 
Reviewed-by: @han-guangyu 
Signed-off-by: @han-guangyu

openstack-neutron.spec

@@ -1,3 +1,15 @@
+%define gitPatch() \
+cd %1; \
+git init && git config user.name "openstack-plugin" && git config user.email "openstack-plugin"; \
+git add . && git commit -m "openstack-plugin init"; \
+git apply --check %2 || exit 1 && git apply %2; \
+git add . && git commit -m "openstack-plugin patch"
+
+%define gitUnPatch()  \
+cd %1;\
+git reset --hard HEAD~;\
+rm -rf %1/.git
+
 %{!?upstream_version: %global upstream_version %{version}%{?milestone}}
 %global service neutron
 
@@ -18,7 +30,7 @@ capabilities (e.g., QoS, ACLs, network monitoring, etc.)
 
 Name:           openstack-%{service}
 Version:        15.3.4
-Release:        2
+Release:        3
 Summary:        OpenStack Networking Service
 
 License:        ASL 2.0
@@ -51,6 +63,7 @@ Source34:       neutron-l2-agent-sysctl.conf
 # essentially because .modules files are shell scripts.
 Source35:       neutron-l2-agent.modules
 Source36:       neutron-destroy-patch-ports.service
+Source37:       0001-add-distributed-traffic-feature-support.patch
 # Required for tarball sources verification
 
 BuildArch:      noarch
@@ -354,6 +367,15 @@ Requires:       openstack-%{service}-common = %{version}-%{release}
 This package contains the Neutron agent to support advanced features of
 SR-IOV network cards.
 
+%package distributed-traffic
+Summary:    The plug-in package of openstack-neutron for router gateway portforwarding feature
+Requires:   git
+Requires:   python3-crudini
+Requires:   openstack-neutron
+
+%description distributed-traffic
+The plug-in package of openstack-neutron for router gateway portforwarding feature
+
 
 %prep
 %autosetup -n %{service}-%{upstream_version} -S git
@@ -506,6 +528,9 @@ rm -f %{buildroot}%{python3_sitelib}/%{service}/locale/*/LC_*/%{service}*po
 rm -f %{buildroot}%{python3_sitelib}/%{service}/locale/*pot
 mv %{buildroot}%{python3_sitelib}/%{service}/locale %{buildroot}%{_datadir}/locale
 
+# Install router gateway portforwarding feature patch
+install -D -p -m 644 %{SOURCE37} %{buildroot}%{python3_sitelib}/openstack-plugin/neutron/$(basename %{SOURCE37})
+
 # Find language files
 %find_lang %{service} --all-name
 
@@ -623,6 +648,22 @@ fi
 %systemd_postun_with_restart neutron-sriov-nic-agent.service
 %cleanup_orphan_rootwrap_daemons
 
+
+%post distributed-traffic
+export patch_name=$(basename %{SOURCE37})
+%gitPatch %{python3_sitelib}/neutron %{python3_sitelib}/openstack-plugin/neutron/$patch_name
+crudini --set %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.objects RGPortForwarding neutron.objects.rg_port_forwarding:RGPortForwarding
+crudini --set %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.service_plugins rg_port_forwarding neutron.services.rg_portforwarding.pf_plugin:RGPortForwardingPlugin
+crudini --set %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.agent.l3.extensions rg_port_forwarding neutron.agent.l3.extensions.rg_port_forwarding:RGPortForwardingAgentExtension
+
+
+%preun distributed-traffic
+%gitUnPatch %{python3_sitelib}/neutron
+crudini --del %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.objects RGPortForwarding
+crudini --del %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.service_plugins rg_port_forwarding
+crudini --del %{python3_sitelib}/neutron-*.egg-info/entry_points.txt neutron.agent.l3.extensions rg_port_forwarding
+
+
 %files
 %license LICENSE
 %{_bindir}/neutron-api
@@ -772,9 +813,15 @@ fi
 %config(noreplace) %attr(0640, root, %{service}) %{_sysconfdir}/%{service}/plugins/ml2/sriov_agent.ini
 %dir %{_sysconfdir}/%{service}/conf.d/%{service}-sriov-nic-agent
 
+%files distributed-traffic
+%{python3_sitelib}/openstack-plugin/neutron/%{basename %{SOURCE37}}
+
 %changelog
+* Tue Oct 17 2023 wangkuntian <wangkuntian@uniontech.com> - 15.3.4-3
+- Add distributed traffic feature package
+
 * Tue Nov 23 2021 zhangy1317 <zhangy1317@foxmail.com> - 15.3.4-2
 - Fix install issue
+
 * Fri Nov 05 2021 wangxiyuan <wangxiyuan1007@gmail.com> 15.3.4-1
 - Support OpenStack Train release
-