def test__send_multicast_beacon_sets_ipv4_source(self):
# Note: Always use a random port for testing. (port=0)
protocol = BeaconingSocketProtocol(reactor,
port=0,
process_incoming=True,
loopback=True,
interface="::",
debug=False)
self.assertThat(protocol.listen_port, Not(Is(None)))
listen_port = protocol.listen_port._realPortNumber
self.write_secret()
beacon = create_beacon_payload("advertisement", {})
protocol.send_multicast_beacon("127.0.0.1", beacon, port=listen_port)
# Verify that we received the packet.
yield wait_for_rx_packets(protocol, 1)
yield protocol.stopProtocol()
def test__send_multicast_beacon_sets_ipv6_source(self):
# Due to issues beyond my control, this test doesn't do what I expected
# it to do. But it's still useful for code coverage (to make sure no
# blatant exceptions occur in the IPv6 path).
# self.skipTest(
# "IPv6 loopback multicast isn't working, for whatever reason.")
# Since we can't test IPv6 multicast on the loopback interface, another
# method can be used to verify that it's working:
# (1) sudo tcpdump -i <physical-interface> 'udp and port == 5240'
# (2) bin/maas-rack send-beacons -p 5240
# Verifying IPv6 (and IPv4) multicast group join behavior can be
# validated by doing something like:
# (1) bin/maas-rack send-beacons -t 600
# (the high timeout will cause it to wait for 10 minutes)
# (2) ip maddr show | egrep 'ff02::15a|224.0.0.118|$'
# The expected result from command (2) will be that 'egrep' will
# highlight the MAAS multicast groups in red text. Any Ethernet
# interface with an assigned IPv4 address should have joined the
# 224.0.0.118 group. All Ethernet interfaces should have joined the
# 'ff02::15a' group.
# Note: Always use a random port for testing. (port=0)
protocol = BeaconingSocketProtocol(
reactor,
port=0,
process_incoming=True,
loopback=True,
interface="::",
debug=False,
)
self.assertThat(protocol.listen_port, Not(Is(None)))
listen_port = protocol.listen_port._realPortNumber
self.write_secret()
beacon = create_beacon_payload("advertisement", {})
# The loopback interface ifindex should always be 1; this is saying
# to send an IPv6 multicast on ifIndex == 1.
protocol.send_multicast_beacon(1, beacon, port=listen_port)
# Instead of skipping the test, just don't expect to receive anything.
# yield wait_for_rx_packets(protocol, 1)
yield protocol.stopProtocol()