mirror of
https://github.com/retspen/webvirtcloud
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95b4418c96
The ARP lookup passed 3 as the address source; libvirt's VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP is 2 and libvirt refused 3 as an unknown source. The error was suppressed, so a VM without a guest agent never showed an address.
54 lines
2 KiB
Python
54 lines
2 KiB
Python
"""A running VM's addresses come from the guest agent when it answers and
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from the host's ARP table, so a VM without an agent shows its IPv4 address."""
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import unittest
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from unittest.mock import MagicMock, patch
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from django.conf import settings
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if not settings.configured:
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settings.configure(MAC_OUI="52:54:10")
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from libvirt import VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_AGENT, VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP
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from vrtManager.instance import wvmInstance
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MAC = "52:54:00:00:00:01"
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ARP = {"vnet0": {"hwaddr": MAC, "addrs": [{"type": 0, "addr": "192.0.2.10", "prefix": 0}]}}
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AGENT = {"eth0": {"hwaddr": MAC, "addrs": [{"type": 0, "addr": "192.0.2.20", "prefix": 24}]}}
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def vm(agent):
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inst = wvmInstance.__new__(wvmInstance)
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inst._ip_cache = None
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inst.instance = MagicMock()
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inst.instance.interfaceAddresses.side_effect = lambda source: {
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VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_AGENT: AGENT,
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VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP: ARP,
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}[source]
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patch.object(inst, "get_status", return_value=1).start()
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patch.object(inst, "is_agent_ready", return_value=agent).start()
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return inst
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class InterfaceAddressesTestCase(unittest.TestCase):
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def tearDown(self):
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patch.stopall()
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def test_a_vm_without_an_agent_shows_its_arp_address(self):
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inst = vm(agent=False)
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self.assertEqual(inst.get_interface_addresses(MAC), (["192.0.2.10"], []))
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self.assertEqual(
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[c.args for c in inst.instance.interfaceAddresses.call_args_list], [(VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP,)]
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)
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def test_the_agents_address_comes_first(self):
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inst = vm(agent=True)
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self.assertEqual(inst.get_interface_addresses(MAC), (["192.0.2.20"], []))
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self.assertEqual(
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[c.args for c in inst.instance.interfaceAddresses.call_args_list],
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[(VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_AGENT,), (VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP,)],
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)
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if __name__ == "__main__":
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unittest.main()
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