def test_secondary_nic(self):
self.m_readurl.return_value = OPC_VM_SECONDARY_VNIC_RESPONSE
mac_addr, nic_name = '00:00:17:02:2b:b1', 'ens3'
self.m_get_interfaces_by_mac.return_value = {
mac_addr: nic_name,
}
network_config = {'version': 1, 'config': [{'primary': 'nic'}]}
oracle._add_network_config_from_opc_imds(network_config)
# The input is mutated
self.assertEqual(2, len(network_config['config']))
secondary_nic_cfg = network_config['config'][1]
self.assertEqual(nic_name, secondary_nic_cfg['name'])
self.assertEqual('physical', secondary_nic_cfg['type'])
self.assertEqual(mac_addr, secondary_nic_cfg['mac_address'])
self.assertEqual(9000, secondary_nic_cfg['mtu'])
self.assertEqual(1, len(secondary_nic_cfg['subnets']))
subnet_cfg = secondary_nic_cfg['subnets'][0]
# These values are hard-coded in OPC_VM_SECONDARY_VNIC_RESPONSE
self.assertEqual('10.0.0.231', subnet_cfg['address'])
self.assertEqual('24', subnet_cfg['netmask'])
self.assertEqual('10.0.0.1', subnet_cfg['gateway'])
self.assertEqual('manual', subnet_cfg['control'])
def test_missing_mac_skipped_v2(self):
self.m_readurl.return_value = OPC_VM_SECONDARY_VNIC_RESPONSE
self.m_get_interfaces_by_mac.return_value = {}
network_config = {'version': 2, 'ethernets': {'primary': {'nic': {}}}}
oracle._add_network_config_from_opc_imds(network_config)
self.assertEqual(1, len(network_config['ethernets']))
self.assertIn(
'Interface with MAC 00:00:17:02:2b:b1 not found; skipping',
self.logs.getvalue())
def test_bare_metal_machine_skipped(self):
# nicIndex in the first entry indicates a bare metal machine
self.m_readurl.return_value = OPC_BM_SECONDARY_VNIC_RESPONSE
# We test this by passing in a non-dict to ensure that no dict
# operations are used
self.assertFalse(oracle._add_network_config_from_opc_imds(object()))
self.assertIn('bare metal machine', self.logs.getvalue())
def test_secondary_nic_v2(self):
self.m_readurl.return_value = OPC_VM_SECONDARY_VNIC_RESPONSE
mac_addr, nic_name = '00:00:17:02:2b:b1', 'ens3'
self.m_get_interfaces_by_mac.return_value = {
mac_addr: nic_name,
}
network_config = {'version': 2, 'ethernets': {'primary': {'nic': {}}}}
oracle._add_network_config_from_opc_imds(network_config)
# The input is mutated
self.assertEqual(2, len(network_config['ethernets']))
secondary_nic_cfg = network_config['ethernets']['ens3']
self.assertFalse(secondary_nic_cfg['dhcp4'])
self.assertFalse(secondary_nic_cfg['dhcp6'])
self.assertEqual(mac_addr, secondary_nic_cfg['match']['macaddress'])
self.assertEqual(9000, secondary_nic_cfg['mtu'])
self.assertEqual(1, len(secondary_nic_cfg['addresses']))
# These values are hard-coded in OPC_VM_SECONDARY_VNIC_RESPONSE
self.assertEqual('10.0.0.231', secondary_nic_cfg['addresses'][0])
def test_no_secondary_nics_does_not_mutate_input(self):
self.m_readurl.return_value = json.dumps([{}])
# We test this by passing in a non-dict to ensure that no dict
# operations are used; failure would be seen as exceptions
oracle._add_network_config_from_opc_imds(object())
def test_invalid_json(self):
# invalid JSON error should just bubble out to the caller
self.m_readurl.return_value = '{'
with self.assertRaises(Exception):
oracle._add_network_config_from_opc_imds([])
def test_empty_response(self):
# empty response error should just bubble out to the caller
self.m_readurl.return_value = ''
with self.assertRaises(Exception):
oracle._add_network_config_from_opc_imds([])
def test_failure_to_readurl(self):
# readurl failures should just bubble out to the caller
self.m_readurl.side_effect = Exception('oh no')
with self.assertRaises(Exception) as excinfo:
oracle._add_network_config_from_opc_imds({})
self.assertEqual(str(excinfo.exception), 'oh no')
