!15 Fix ovs-tcpdump import error

From: @luosu-wang
Reviewed-by: @lilijun606
Signed-off-by: @lilijun606

0003-Fallback-to-read-proc-net-dev-on-linux.patch

@@ -0,0 +1,41 @@
+diff --git a/utilities/ovs-tcpdump.in b/utilities/ovs-tcpdump.in
+index 11624c5..cdba1d5 100755
+--- a/utilities/ovs-tcpdump.in
++++ b/utilities/ovs-tcpdump.in
+@@ -24,7 +24,21 @@ import subprocess
+ import sys
+ import time
+ 
+-import netifaces
++try:
++    from netifaces import interfaces
++except ImportError:
++    if sys.platform in ['linux', 'linux2']:
++        def interfaces():
++            devices = []
++            with open("/proc/net/dev", "r") as f_netdev:
++                for line in f_netdev:
++                    if ":" not in line:
++                        continue
++                    devices.append(line.split(":")[0].strip())
++            return devices
++    else:
++        print("ERROR: Please install netifaces Python library.")
++        sys.exit(1)
+ 
+ try:
+     from ovs.db import idl
+@@ -438,11 +452,11 @@ def main():
+             mirror_interface = _make_mirror_name[sys.platform](interface)
+ 
+     if sys.platform in _make_taps and \
+-       mirror_interface not in netifaces.interfaces():
++       mirror_interface not in interfaces():
+         _make_taps[sys.platform](mirror_interface,
+                                  ovsdb.interface_mtu(interface))
+ 
+-    if mirror_interface not in netifaces.interfaces():
++    if mirror_interface not in interfaces():
+         print("ERROR: Please create an interface called `%s`" %
+               mirror_interface)
+         print("See your OS guide for how to do this.")

openvswitch.spec

@@ -3,12 +3,13 @@ Summary:        Production Quality, Multilayer Open Virtual Switch
 URL:            http://www.openvswitch.org/
 Version:        2.12.0
 License:        ASL 2.0
-Release:        9
+Release:        10
 Source:         https://www.openvswitch.org/releases/openvswitch-%{version}.tar.gz
 Buildroot:      /tmp/openvswitch-rpm
 Patch0000:      0000-openvswitch-add-stack-protector-strong.patch
 Patch0001:      0001-fix-dict-change-during-iteration.patch
 Patch0002:      0002-Remove-unsupported-permission-names.patch
+Patch0003:      0003-Fallback-to-read-proc-net-dev-on-linux.patch
 Requires:       logrotate hostname python >= 3.8 python3-six selinux-policy-targeted
 BuildRequires:  python3-six, openssl-devel checkpolicy selinux-policy-devel autoconf automake libtool python-sphinx unbound-devel
 Provides:       openvswitch-selinux-policy = %{version}-%{release}
@@ -93,6 +94,12 @@ install -m 0644 lib/*.h                    $RPM_BUILD_ROOT/%{_includedir}/openvs
 install -D -m 0644 lib/.libs/libopenvswitch.a \
     $RPM_BUILD_ROOT/%{_libdir}/libopenvswitch.a
 
+install -d -m 0755 $RPM_BUILD_ROOT%{python3_sitelib}
+cp -a $RPM_BUILD_ROOT/%{_datadir}/openvswitch/python/* \
+    $RPM_BUILD_ROOT%{python3_sitelib}
+
+rm -rf $RPM_BUILD_ROOT/%{_datadir}/openvswitch/python/
+
 %clean
 rm -rf $RPM_BUILD_ROOT
 
@@ -164,7 +171,8 @@ exit 0
 %{_libdir}/lib*.so.*
 /usr/sbin/ovs-vswitchd
 /usr/sbin/ovsdb-server
-/usr/share/openvswitch/python/
+%{python3_sitelib}/ovs
+%{python3_sitelib}/ovstest
 /usr/share/openvswitch/scripts/ovs-check-dead-ifs
 /usr/share/openvswitch/scripts/ovs-ctl
 /usr/share/openvswitch/scripts/ovs-kmod-ctl
@@ -196,6 +204,9 @@ exit 0
 %doc README.rst NEWS rhel/README.RHEL.rst
 
 %changelog
+* Tue Sep 24 2020 luosuwang <oenetdev@huawei.com> - 2.12.0-10
+- Fix ovs-tcpdump import error
+
 * Tue Sep 22 2020 luosuwang <oenetdev@huawei.com> - 2.12.0-9
 - Remove openvswitch-kmod package