packaging: fix centos8/el8 upgrade (apache#7267)

Author: weizhouapache

packaging/centos8/cloud.spec

@@ -387,12 +387,12 @@ install -D tools/whisker/LICENSE ${RPM_BUILD_ROOT}%{_defaultdocdir}/%{name}-inte
 %clean
 [ ${RPM_BUILD_ROOT} != "/" ] && rm -rf ${RPM_BUILD_ROOT}
 
-%pre common
+%posttrans common
 
 python_dir=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")
-mkdir -p %{_datadir}/%{name}-common
-rm -f %{_datadir}/%{name}-common/python-site || true
-ln -s $python_dir %{_datadir}/%{name}-common/python-site
+if [ ! -z $python_dir ];then
+  cp -f -r /usr/share/cloudstack-common/python-site/* $python_dir/
+fi
 
 %preun management
 /usr/bin/systemctl stop cloudstack-management || true
@@ -474,7 +474,8 @@ if [ -d "%{_sysconfdir}/cloud" ] ; then
     mv %{_sysconfdir}/cloud %{_sysconfdir}/cloud.rpmsave
 fi
 
-%post agent
+%posttrans agent
+
 if [ "$1" == "2" ] ; then
     echo "Running %{_bindir}/%{name}-agent-upgrade to update bridge name for upgrade from CloudStack 4.0.x (and before) to CloudStack 4.1 (and later)"
     %{_bindir}/%{name}-agent-upgrade
@@ -499,7 +500,6 @@ fi
 
 systemctl daemon-reload
 
-%posttrans agent
 # Print help message
 if [ -f "/usr/share/cloudstack-common/scripts/installer/cloudstack-help-text" ];then
     sed -i "s,^ACS_VERSION=.*,ACS_VERSION=%{_maventag},g" /usr/share/cloudstack-common/scripts/installer/cloudstack-help-text
@@ -592,7 +592,6 @@ pip install --upgrade /usr/share/cloudstack-marvin/Marvin-*.tar.gz
 %dir %attr(0770,root,root) %{_localstatedir}/log/%{name}/ipallocator
 %{_defaultdocdir}/%{name}-management-%{version}/LICENSE
 %{_defaultdocdir}/%{name}-management-%{version}/NOTICE
-#%attr(0644,root,root) %{_sysconfdir}/logrotate.d/%{name}-catalina
 %{_datadir}/%{name}-management/setup/wheel/*.whl
 
 %files agent