From 6a4bbd9517bf08ee3a8ffa929481139159c2b146 Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Feb 24 2021 15:30:28 +0000
Subject: Apply patch BZ_1858762-hide_ovs_patch_port_mtu.patch


patch_name: BZ_1858762-hide_ovs_patch_port_mtu.patch
present_in_specfile: true
location_in_specfile: 1

---

diff --git a/libnmstate/nm/applier.py b/libnmstate/nm/applier.py
index 4e20af5..a91cee5 100644
--- a/libnmstate/nm/applier.py
+++ b/libnmstate/nm/applier.py
@@ -17,9 +17,11 @@
 # along with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 
+from distutils.version import StrictVersion
 import logging
 import itertools
 
+from libnmstate.error import NmstateNotSupportedError
 from libnmstate.error import NmstateValueError
 from libnmstate.schema import Interface
 from libnmstate.schema import InterfaceState
@@ -65,6 +67,17 @@ MASTER_IFACE_TYPES = (
 def apply_changes(context, net_state, save_to_disk):
     con_profiles = []
 
+    if (
+        not save_to_disk
+        and _has_ovs_interface_desired_or_changed(net_state)
+        and StrictVersion(context.client.get_version())
+        < StrictVersion("1.28.0")
+    ):
+        raise NmstateNotSupportedError(
+            f"NetworkManager version {context.client.get_version()} does not "
+            f"support 'save_to_disk=False' against OpenvSwitch interface"
+        )
+
     _preapply_dns_fix(context, net_state)
 
     ifaces_desired_state = net_state.ifaces.state_to_edit
@@ -602,3 +615,13 @@ def _preapply_dns_fix(context, net_state):
         for iface in net_state.ifaces.values():
             if iface.is_changed or iface.is_desired:
                 iface.remove_dns_metadata()
+
+
+def _has_ovs_interface_desired_or_changed(net_state):
+    for iface in net_state.ifaces.values():
+        if iface.type in (
+            InterfaceType.OVS_BRIDGE,
+            InterfaceType.OVS_INTERFACE,
+            InterfaceType.OVS_PORT,
+        ) and (iface.is_desired or iface.is_changed):
+            return True
diff --git a/libnmstate/nm/wired.py b/libnmstate/nm/wired.py
index 27d4318..64662ac 100644
--- a/libnmstate/nm/wired.py
+++ b/libnmstate/nm/wired.py
@@ -124,7 +124,9 @@ def get_info(device):
 
     iface = device.get_iface()
     try:
-        info[Interface.MTU] = int(device.get_mtu())
+        mtu = int(device.get_mtu())
+        if mtu:
+            info[Interface.MTU] = mtu
     except AttributeError:
         pass