Add support for ethtool_opts option

This patch add an optional option to specify
the ETHTOOL_OPTS for each interface.

ETHTOOL_OPTS option will be written to the ifcfg file.

Change-Id: I6b594e89ba6b4c17e8df79def997f6c9ea427a3a

etc/os-net-config/samples/interface.json

@@ -25,7 +25,8 @@
       "type": "interface",
       "name": "em2",
       "use_dhcp": true,
-      "defroute": no
+      "defroute": no,
+      "ethtool_opts": "speed 1000 duplex full"
     }
   ]
 }

etc/os-net-config/samples/interface.yaml

@@ -20,3 +20,4 @@ network_config:
     name: em2
     use_dhcp: true
     defroute: no
+    ethtool_opts: "speed 1000 duplex full"

os_net_config/impl_ifcfg.py

@@ -113,6 +113,8 @@ class IfcfgNetConfig(os_net_config.NetConfig):
             data += "TYPE=NFVSWITCHIntPort\n"
         elif isinstance(base_opt, objects.IbInterface):
             data += "TYPE=Infiniband\n"
+            if base_opt.ethtool_opts:
+                data += "ETHTOOL_OPTS=\"%s\"\n" % base_opt.ethtool_opts
         elif re.match('\w+\.\d+$', base_opt.name):
             data += "VLAN=yes\n"
         if base_opt.linux_bond_name:
@@ -262,6 +264,9 @@ class IfcfgNetConfig(os_net_config.NetConfig):
                 data += "BOOTPROTO=dhcp\n"
             elif not base_opt.addresses:
                 data += "BOOTPROTO=none\n"
+        if isinstance(base_opt, objects.Interface):
+            if base_opt.ethtool_opts:
+                data += "ETHTOOL_OPTS=\"%s\"\n" % base_opt.ethtool_opts
 
         if base_opt.mtu:
             data += "MTU=%i\n" % base_opt.mtu

os_net_config/objects.py

@@ -279,7 +279,7 @@ class Interface(_BaseOpts):
     def __init__(self, name, use_dhcp=False, use_dhcpv6=False, addresses=None,
                  routes=None, mtu=None, primary=False, nic_mapping=None,
                  persist_mapping=False, defroute=True, dhclient_args=None,
-                 dns_servers=None):
+                 dns_servers=None, ethtool_opts=None):
         addresses = addresses or []
         routes = routes or []
         dns_servers = dns_servers or []
@@ -287,12 +287,14 @@ class Interface(_BaseOpts):
                                         routes, mtu, primary, nic_mapping,
                                         persist_mapping, defroute,
                                         dhclient_args, dns_servers)
+        self.ethtool_opts = ethtool_opts
 
     @staticmethod
     def from_json(json):
         name = _get_required_field(json, 'name', 'Interface')
         opts = _BaseOpts.base_opts_from_json(json)
-        return Interface(name, *opts)
+        ethtool_opts = json.get('ethtool_opts', None)
+        return Interface(name, *opts, ethtool_opts=ethtool_opts)
 
 
 class Vlan(_BaseOpts):
@@ -931,7 +933,7 @@ class IbInterface(_BaseOpts):
     def __init__(self, name, use_dhcp=False, use_dhcpv6=False, addresses=None,
                  routes=None, mtu=None, primary=False, nic_mapping=None,
                  persist_mapping=False, defroute=True, dhclient_args=None,
-                 dns_servers=None):
+                 dns_servers=None, ethtool_opts=None):
         addresses = addresses or []
         routes = routes or []
         dns_servers = dns_servers or []
@@ -939,12 +941,14 @@ class IbInterface(_BaseOpts):
                                           addresses, routes, mtu, primary,
                                           nic_mapping, persist_mapping,
                                           defroute, dhclient_args, dns_servers)
+        self.ethtool_opts = ethtool_opts
 
     @staticmethod
     def from_json(json):
         name = _get_required_field(json, 'name', 'IbInterface')
+        ethtool_opts = json.get('ethtool_opts', None)
         opts = _BaseOpts.base_opts_from_json(json)
-        return IbInterface(name, *opts)
+        return IbInterface(name, *opts, ethtool_opts=ethtool_opts)
 
 
 class OvsDpdkPort(_BaseOpts):

os_net_config/tests/test_impl_ifcfg.py

@@ -739,6 +739,21 @@ NM_CONTROLLED=no
 PEERDNS=no
 BOOTPROTO=none
 DHCLIENTARGS=--foobar
+"""
+        self.assertEqual(em1_config, self.get_interface_config('em1'))
+
+    def test_interface_ethtool_opts(self):
+        interface1 = objects.Interface('em1',
+                                       ethtool_opts='speed 1000 duplex full')
+        self.provider.add_interface(interface1)
+        em1_config = """# This file is autogenerated by os-net-config
+DEVICE=em1
+ONBOOT=yes
+HOTPLUG=no
+NM_CONTROLLED=no
+PEERDNS=no
+BOOTPROTO=none
+ETHTOOL_OPTS=\"speed 1000 duplex full\"
 """
         self.assertEqual(em1_config, self.get_interface_config('em1'))
 

os_net_config/tests/test_objects.py

@@ -150,6 +150,7 @@ class TestInterface(base.TestCase):
 "name": "em1",
 "use_dhcp": false,
 "mtu": 1501,
+"ethtool_opts": "speed 1000 duplex full",
 "addresses": [{
     "ip_netmask": "192.0.2.1/24"
 }],
@@ -165,6 +166,7 @@ class TestInterface(base.TestCase):
         self.assertFalse(interface.use_dhcp)
         self.assertFalse(interface.use_dhcpv6)
         self.assertEqual(1501, interface.mtu)
+        self.assertEqual("speed 1000 duplex full", interface.ethtool_opts)
         address1 = interface.v4_addresses()[0]
         self.assertEqual("192.0.2.1", address1.ip)
         self.assertEqual("255.255.255.0", address1.netmask)