Add linkdelay option

Change-Id: Ica0a160ce7c8f781d37cd4da67e04cd03db7de94
Closes-Bug: 1842999
(cherry picked from commit 04f285ad02)

os_net_config/impl_ifcfg.py

@@ -376,6 +376,9 @@ class IfcfgNetConfig(os_net_config.NetConfig):
             data += "TYPE=Infiniband\n"
         elif re.match('\w+\.\d+$', base_opt.name):
             data += "VLAN=yes\n"
+        elif isinstance(base_opt, objects.Interface):
+            if base_opt.linkdelay:
+                data += "LINKDELAY=%s\n" % base_opt.linkdelay
         if base_opt.linux_bond_name:
             data += "MASTER=%s\n" % base_opt.linux_bond_name
             data += "SLAVE=yes\n"

os_net_config/objects.py

@@ -457,7 +457,8 @@ class Interface(_BaseOpts):
                  routes=None, rules=None, mtu=None, primary=False,
                  nic_mapping=None, persist_mapping=False, defroute=True,
                  dhclient_args=None, dns_servers=None, nm_controlled=False,
-                 onboot=True, domain=None, ethtool_opts=None, hotplug=False):
+                 onboot=True, domain=None, ethtool_opts=None, hotplug=False,
+                 linkdelay=None):
         addresses = addresses or []
         routes = routes or []
         rules = rules or []
@@ -469,6 +470,7 @@ class Interface(_BaseOpts):
                                         nm_controlled, onboot, domain)
         self.ethtool_opts = ethtool_opts
         self.hotplug = hotplug
+        self.linkdelay = linkdelay
 
     @staticmethod
     def from_json(json):
@@ -476,8 +478,9 @@ class Interface(_BaseOpts):
         hotplug = strutils.bool_from_string(str(json.get('hotplug', False)))
         opts = _BaseOpts.base_opts_from_json(json)
         ethtool_opts = json.get('ethtool_opts', None)
+        linkdelay = json.get('linkdelay', None)
         return Interface(name, *opts, ethtool_opts=ethtool_opts,
-                         hotplug=hotplug)
+                         hotplug=hotplug, linkdelay=linkdelay)
 
 
 class Vlan(_BaseOpts):

os_net_config/schema.yaml

@@ -291,6 +291,8 @@ definitions:
                 $ref: "#/definitions/bool_or_param"
             domain:
                 $ref: "#/definitions/list_of_domain_name_string_or_domain_name_string"
+            linkdelay:
+                $ref: "#/definitions/int_or_param"
         required:
           - type
           - name

os_net_config/tests/test_impl_ifcfg.py

@@ -63,6 +63,16 @@ PEERDNS=no
 BOOTPROTO=none
 """
 
+_LINKDELAY = """# This file is autogenerated by os-net-config
+DEVICE=em1
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+LINKDELAY=10
+BOOTPROTO=none
+"""
+
 _NO_IP = _BASE_IFCFG + "BOOTPROTO=none\n"
 
 _V4_IFCFG = _BASE_IFCFG + """BOOTPROTO=static
@@ -659,6 +669,11 @@ class TestIfcfgNetConfig(base.TestCase):
         self.provider.add_interface(interface)
         self.assertEqual(_ONBOOT, self.get_interface_config())
 
+    def test_add_interface_with_linkdelay(self):
+        interface = objects.Interface('em1', linkdelay=10)
+        self.provider.add_interface(interface)
+        self.assertEqual(_LINKDELAY, self.get_interface_config())
+
     def test_add_base_interface_vlan(self):
         interface = objects.Interface('em1.120')
         self.provider.add_interface(interface)