Fix the ELN build by put ovs stuff as soft requirement.

Signed-off-by: Gris Ge <cnfourt@gmail.com>

nmstate.spec

@@ -4,7 +4,7 @@
 
 Name:           nmstate
 Version:        0.4.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Declarative network manager API
 License:        LGPLv2+
 URL:            https://github.com/%{srcname}/%{srcname}
@@ -33,6 +33,7 @@ Requires:       NetworkManager-libnm >= 1:1.26.0
 Recommends:     NetworkManager
 # Avoid automatically generated profiles
 Recommends:     NetworkManager-config-server
+Recommends:     (nmstate-plugin-ovsdb if openvswitch)
 # Use Suggests for NetworkManager-ovs and NetworkManager-team since it is only
 # required for OVS and team support
 Suggests:       NetworkManager-ovs
@@ -43,7 +44,15 @@ Requires:       python3dist(nispor)
 %package -n nmstate-plugin-ovsdb
 Summary:        nmstate plugin for OVS database manipulation
 Requires:       python3-%{libname} = %{?epoch:%{epoch}:}%{version}-%{release}
-Requires:	python3dist(ovs)
+%if 0%{?rhel}
+# The python-openvswitch rpm package is not in the same repo with nmstate,
+# require only if openvswitch is installed.
+Requires:       (python3dist(ovs) if openvswitch)
+Recommends:     python3dist(ovs)
+%else
+Requires:       python3dist(ovs)
+%endif
+
 
 %description -n python3-%{libname}
 This package contains the Python 3 library for Nmstate.
@@ -81,6 +90,9 @@ gpgv2 --keyring ./gpgkey-mantainers.gpg %{SOURCE1} %{SOURCE0}
 %{python3_sitelib}/%{libname}/plugins/__pycache__/nmstate_plugin_ovsdb*
 
 %changelog
+* Tue Oct 13 2020 Gris Ge <fge@redhat.com> - 0.4.0-2
+- Fix the ELN build by put ovs stuff as soft requirement.
+
 * Sun Sep 20 2020 Gris Ge <fge@redhat.com> - 0.4.0-1
 - Upgrade to 0.4.0