Merge "[GRE] Add possibility to create GRE tunnels over IPv6" into stable/rocky
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commit
0939828bcd
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@ -68,6 +68,9 @@ _SENTINEL = object()
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CTRL_RATE_LIMIT_MIN = 100
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CTRL_RATE_LIMIT_MIN = 100
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CTRL_BURST_LIMIT_MIN = 25
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CTRL_BURST_LIMIT_MIN = 25
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# TODO(slaweq): move this to neutron_lib.constants
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TYPE_GRE_IP6 = 'ip6gre'
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def _ovsdb_result_pending(result):
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def _ovsdb_result_pending(result):
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"""Return True if ovs-vsctl indicates the result is still pending."""
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"""Return True if ovs-vsctl indicates the result is still pending."""
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@ -94,6 +97,13 @@ def _ovsdb_retry(fn):
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return wrapped
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return wrapped
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def get_gre_tunnel_port_type(remote_ip, local_ip):
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if (common_utils.get_ip_version(remote_ip) == p_const.IP_VERSION_6 or
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common_utils.get_ip_version(local_ip) == p_const.IP_VERSION_6):
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return TYPE_GRE_IP6
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return p_const.TYPE_GRE
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class VifPort(object):
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class VifPort(object):
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def __init__(self, port_name, ofport, vif_id, vif_mac, switch):
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def __init__(self, port_name, ofport, vif_id, vif_mac, switch):
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self.port_name = port_name
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self.port_name = port_name
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@ -509,6 +519,8 @@ class OVSBridge(BaseOVS):
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dont_fragment=True,
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dont_fragment=True,
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tunnel_csum=False,
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tunnel_csum=False,
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tos=None):
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tos=None):
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if tunnel_type == p_const.TYPE_GRE:
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tunnel_type = get_gre_tunnel_port_type(remote_ip, local_ip)
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attrs = [('type', tunnel_type)]
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attrs = [('type', tunnel_type)]
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# TODO(twilson) This is an OrderedDict solely to make a test happy
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# TODO(twilson) This is an OrderedDict solely to make a test happy
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options = collections.OrderedDict()
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options = collections.OrderedDict()
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@ -532,6 +544,10 @@ class OVSBridge(BaseOVS):
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options['csum'] = str(tunnel_csum).lower()
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options['csum'] = str(tunnel_csum).lower()
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if tos:
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if tos:
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options['tos'] = str(tos)
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options['tos'] = str(tos)
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if tunnel_type == TYPE_GRE_IP6:
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# NOTE(slaweq) According to the OVS documentation L3 GRE tunnels
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# over IPv6 are not supported.
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options['packet_type'] = 'legacy'
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attrs.append(('options', options))
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attrs.append(('options', options))
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return self.add_port(port_name, *attrs)
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return self.add_port(port_name, *attrs)
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@ -212,11 +212,12 @@ class OVSBridgeTestCase(OVSBridgeTestBase):
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self.br.br_name, 'datapath_id', dpid)
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self.br.br_name, 'datapath_id', dpid)
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self.assertIn(dpid, self.br.get_datapath_id())
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self.assertIn(dpid, self.br.get_datapath_id())
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def _test_add_tunnel_port(self, attrs):
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def _test_add_tunnel_port(self, attrs,
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expected_tunnel_type=const.TYPE_GRE):
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port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
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port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
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self.br.add_tunnel_port(port_name, attrs['remote_ip'],
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self.br.add_tunnel_port(port_name, attrs['remote_ip'],
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attrs['local_ip'])
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attrs['local_ip'])
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self.assertEqual('gre',
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self.assertEqual(expected_tunnel_type,
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self.ovs.db_get_val('Interface', port_name, 'type'))
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self.ovs.db_get_val('Interface', port_name, 'type'))
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options = self.ovs.db_get_val('Interface', port_name, 'options')
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options = self.ovs.db_get_val('Interface', port_name, 'options')
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for attr, val in attrs.items():
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for attr, val in attrs.items():
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@ -234,7 +235,8 @@ class OVSBridgeTestCase(OVSBridgeTestBase):
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'remote_ip': '2001:db8:200::1',
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'remote_ip': '2001:db8:200::1',
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'local_ip': '2001:db8:100::1',
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'local_ip': '2001:db8:100::1',
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}
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}
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self._test_add_tunnel_port(attrs)
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self._test_add_tunnel_port(
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attrs, expected_tunnel_type=ovs_lib.TYPE_GRE_IP6)
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def test_add_tunnel_port_custom_port(self):
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def test_add_tunnel_port_custom_port(self):
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port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
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port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
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