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View File cloud-init-write-routes.patch of Package cloud-init (Project Cloud:Tools)

--- cloudinit/distros/opensuse.py.orig
+++ cloudinit/distros/opensuse.py
@@ -172,7 +172,41 @@ class Distro(distros.Distro):
             util.write_file(out_fn, str(conf), 0o644)
 
     def _write_network_config(self, netconfig):
-        return self._supported_write_network_config(netconfig)
+        net_apply_res = self._supported_write_network_config(netconfig)
+        # Clobber the route files that were written in RH key-value style
+        self._write_routes(netconfig)
+        return net_apply_res
+
+    def _write_routes(self, netconfig):
+        """Write route files, not part of the standard distro interface"""
+        # Due to the implementation of the sysconfig renderer default routes
+        # are setup in ifcfg-* files. But this does not work on SLES or
+        # openSUSE https://bugs.launchpad.net/cloud-init/+bug/1812117
+        # this is a very hacky way to get around the problem until a real
+        # solution is found in the sysconfig renderer
+        device_configs = netconfig.get('config', [])
+        default_nets = ('::', '0.0.0.0')
+        for config in device_configs:
+            if_name = config.get('name')
+            subnets = config.get('subnets', [])
+            config_routes = ''
+            for subnet in subnets:
+                routes = subnet.get('routes', [])
+                for route in routes:
+                    dest = route.get('network')
+                    if dest in default_nets:
+                        dest = 'default'
+                    gateway = route.get('gateway')
+                    config_routes += ' '.join([dest, gateway])
+                    if dest != 'default':
+                        config_routes += ' ' + route.get('netmask', '')
+                    else:
+                        config_routes += ' -'
+                    config_routes += ' -'
+                    config_routes += '\n'
+            if config_routes:
+                route_file = '/etc/sysconfig/network/ifroute-%s' % if_name
+                util.write_file(route_file, config_routes)
 
     @property
     def preferred_ntp_clients(self):