def test_determine_cluster_interfaces_returns_interface_names(self):
eth0_addr = factory.getRandomIPAddress()
wlan0_addr = factory.getRandomIPAddress()
self.patch_fake_interfaces_list([("eth0", eth0_addr),
("wlan0", wlan0_addr)])
self.assertEqual([("eth0", eth0_addr), ("wlan0", wlan0_addr)],
determine_cluster_interfaces(self.knowledge))
def test_get_reader_config_file(self):
# For paths matching re_config_file, TFTPBackend.get_reader() returns
# a Deferred that will yield a BytesReader.
cluster_uuid = factory.getRandomUUID()
self.patch(tftp_module,
'get_cluster_uuid').return_value = (cluster_uuid)
mac = factory.getRandomMACAddress("-")
config_path = compose_config_path(mac)
backend = TFTPBackend(self.make_dir(), b"http://example.com/")
# python-tx-tftp sets up call context so that backends can discover
# more about the environment in which they're running.
call_context = {
"local": (factory.getRandomIPAddress(), factory.getRandomPort()),
"remote": (factory.getRandomIPAddress(), factory.getRandomPort()),
}
@partial(self.patch, backend, "get_config_reader")
def get_config_reader(params):
params_json = json.dumps(params)
params_json_reader = BytesReader(params_json)
return succeed(params_json_reader)
reader = yield context.call(call_context, backend.get_reader,
config_path)
output = reader.read(10000)
# The addresses provided by python-tx-tftp in the call context are
# passed over the wire as address:port strings.
expected_params = {
"mac": mac,
"local": call_context["local"][0], # address only.
"remote": call_context["remote"][0], # address only.
"cluster_uuid": cluster_uuid,
}
observed_params = json.loads(output)
self.assertEqual(expected_params, observed_params)
def test_tftp_service(self):
# A TFTP service is configured and added to the top-level service.
interfaces = [
factory.getRandomIPAddress(),
factory.getRandomIPAddress(),
]
self.patch(
plugin, "get_all_interface_addresses",
lambda: interfaces)
config = {
"tftp": {
"generator": "http://candlemass/solitude",
"root": self.tempdir,
"port": factory.getRandomPort(),
},
}
options = Options()
options["config-file"] = self.write_config(config)
service_maker = ProvisioningServiceMaker("Harry", "Hill")
service = service_maker.makeService(options)
tftp_services = service.getServiceNamed("tftp")
# The "tftp" service is a multi-service containing UDP servers for
# each interface defined by get_all_interface_addresses().
self.assertIsInstance(tftp_services, MultiService)
services = [
tftp_services.getServiceNamed(interface)
for interface in interfaces
]
expected_backend = MatchesAll(
IsInstance(TFTPBackend),
AfterPreprocessing(
lambda backend: backend.base.path,
Equals(config["tftp"]["root"])),
AfterPreprocessing(
lambda backend: backend.generator_url.geturl(),
Equals(config["tftp"]["generator"])))
expected_protocol = MatchesAll(
IsInstance(TFTP),
AfterPreprocessing(
lambda protocol: protocol.backend,
expected_backend))
expected_service = MatchesAll(
IsInstance(UDPServer),
AfterPreprocessing(
lambda service: len(service.args),
Equals(2)),
AfterPreprocessing(
lambda service: service.args[0], # port
Equals(config["tftp"]["port"])),
AfterPreprocessing(
lambda service: service.args[1], # protocol
expected_protocol))
self.assertThat(services, AllMatch(expected_service))
# Only the interface used for each service differs.
self.assertEqual(
[svc.kwargs for svc in services],
[{"interface": interface} for interface in interfaces])
def test_periodic_probe_task_updates_region_with_no_detected_server(self):
eth0_addr = factory.getRandomIPAddress()
wlan0_addr = factory.getRandomIPAddress()
self.patch_fake_interfaces_list([("eth0", eth0_addr),
("wlan0", wlan0_addr)])
self.patch(detect_module, 'probe_dhcp').return_value = set()
mocked_update = self.patch(detect_module, 'update_region_controller')
periodic_probe_task()
calls = [
mock.call(self.knowledge, 'eth0', None),
mock.call(self.knowledge, 'wlan0', None),
]
mocked_update.assert_has_calls(calls, any_order=True)
def test_tftp_service(self):
# A TFTP service is configured and added to the top-level service.
interfaces = [
factory.getRandomIPAddress(),
factory.getRandomIPAddress(),
]
self.patch(plugin, "get_all_interface_addresses", lambda: interfaces)
config = {
"tftp": {
"generator": "http://candlemass/solitude",
"root": self.tempdir,
"port": factory.getRandomPort(),
},
}
options = Options()
options["config-file"] = self.write_config(config)
service_maker = ProvisioningServiceMaker("Harry", "Hill")
service = service_maker.makeService(options)
tftp_services = service.getServiceNamed("tftp")
# The "tftp" service is a multi-service containing UDP servers for
# each interface defined by get_all_interface_addresses().
self.assertIsInstance(tftp_services, MultiService)
services = [
tftp_services.getServiceNamed(interface)
for interface in interfaces
]
expected_backend = MatchesAll(
IsInstance(TFTPBackend),
AfterPreprocessing(lambda backend: backend.base.path,
Equals(config["tftp"]["root"])),
AfterPreprocessing(lambda backend: backend.generator_url.geturl(),
Equals(config["tftp"]["generator"])))
expected_protocol = MatchesAll(
IsInstance(TFTP),
AfterPreprocessing(lambda protocol: protocol.backend,
expected_backend))
expected_service = MatchesAll(
IsInstance(UDPServer),
AfterPreprocessing(lambda service: len(service.args), Equals(2)),
AfterPreprocessing(
lambda service: service.args[0], # port
Equals(config["tftp"]["port"])),
AfterPreprocessing(
lambda service: service.args[1], # protocol
expected_protocol))
self.assertThat(services, AllMatch(expected_service))
# Only the interface used for each service differs.
self.assertEqual([svc.kwargs for svc in services],
[{
"interface": interface
} for interface in interfaces])
def test_parse_leases_ignores_incomplete_lease_at_end(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
'incomplete_ip': factory.getRandomIPAddress(),
}
leases = parse_leases(dedent("""\
lease %(ip)s {
hardware ethernet %(mac)s;
}
lease %(incomplete_ip)s {
starts 5 2010/01/01 00:00:05;
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_parse_leases_ignores_incomplete_lease_at_end(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
'incomplete_ip': factory.getRandomIPAddress(),
}
leases = parse_leases(
dedent("""\
lease %(ip)s {
hardware ethernet %(mac)s;
}
lease %(incomplete_ip)s {
starts 5 2010/01/01 00:00:05;
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_remove_calls_omshell_correctly(self):
server_address = factory.getRandomString()
shared_key = factory.getRandomString()
ip_address = factory.getRandomIPAddress()
shell = Omshell(server_address, shared_key)
# Instead of calling a real omshell, we'll just record the
# parameters passed to Popen.
recorder = FakeMethod(result=(0, "thing1\nthing2\nobj: <null>"))
shell._run = recorder
shell.remove(ip_address)
expected_script = dedent("""\
server {server}
key omapi_key {key}
connect
new host
set name = "{ip}"
open
remove
""")
expected_script = expected_script.format(server=server_address,
key=shared_key,
ip=ip_address)
# Check that the 'stdin' arg contains the correct set of
# commands.
self.assertEqual([(expected_script, )], recorder.extract_args())
def test_create_succeeds_when_host_map_already_exists(self):
# To omshell, creating the same host map twice is an error. But
# Omshell.create swallows the error and makes it look like
# success.
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
'hostname': factory.make_name('hostname')
}
shell = Omshell(factory.make_name('server'), factory.make_name('key'))
# This is the kind of error output we get if a host map has
# already been created.
error_output = dedent("""\
obj: host
ip-address = %(ip)s
hardware-address = %(mac)s
name = "%(hostname)s"
>
can't open object: I/O error
obj: host
ip-address = %(ip)s
hardware-address = %(mac)s
name = "%(hostname)s"
""") % params
shell._run = Mock(return_value=(0, error_output))
shell.create(params['ip'], params['mac'])
# The test is that we get here without error.
pass
def test_parse_leases_parses_lease(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(
dedent("""\
lease %(ip)s {
starts 5 2010/01/01 00:00:01;
ends never;
tstp 6 2010/01/02 05:00:00;
tsfp 6 2010/01/02 05:00:00;
atsfp 6 2010/01/02 05:00:00;
cltt 1 2010/01/02 05:00:00;
binding state free;
next binding state free;
rewind binding state free;
hardware ethernet %(mac)s;
uid "\001\000\234\002\242\2020";
set vendorclass = "PXEClient:Arch:00000:UNDI:002001";
client-hostname foo;
abandoned;
option agent.circuit-id thing;
option agent.remote-id thing;
ddns-text foo;
ddns-fwd-name foo;
ddns-client-fqdn foo;
ddns-rev-name foo;
vendor-class-identifier foo;
bootp;
reserved;
}
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_gather_hosts_ignores_rubbed_out_entries(self):
ip = factory.getRandomIPAddress()
hosts = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
]
self.assertEqual({}, gather_hosts(hosts))
def test_create_calls_omshell_correctly(self):
server_address = factory.getRandomString()
shared_key = factory.getRandomString()
ip_address = factory.getRandomIPAddress()
mac_address = factory.getRandomMACAddress()
shell = Omshell(server_address, shared_key)
# Instead of calling a real omshell, we'll just record the
# parameters passed to Popen.
recorder = FakeMethod(result=(0, "hardware-type"))
shell._run = recorder
shell.create(ip_address, mac_address)
expected_script = dedent("""\
server {server}
key omapi_key {key}
connect
new host
set ip-address = {ip}
set hardware-address = {mac}
set hardware-type = 1
set name = "{ip}"
create
""")
expected_script = expected_script.format(server=server_address,
key=shared_key,
ip=ip_address,
mac=mac_address)
# Check that the 'stdin' arg contains the correct set of
# commands.
self.assertEqual([1, (expected_script, )],
[recorder.call_count,
recorder.extract_args()[0]])
def test_probe_interface_returns_empty_set_when_nothing_detected(self):
eth0_addr = factory.getRandomIPAddress()
self.patch_fake_interfaces_list([("eth0", eth0_addr)])
self.patch(detect_module, 'probe_dhcp').return_value = set()
interfaces = determine_cluster_interfaces(self.knowledge)
results = probe_interface(*interfaces[0])
self.assertEqual(set(), results)
def test_parse_leases_parses_host_rubout(self):
leases = parse_leases(dedent("""\
host %s {
deleted;
}
""" % factory.getRandomIPAddress()))
self.assertEqual({}, leases)
def test_parse_leases_parses_lease(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(dedent("""\
lease %(ip)s {
starts 5 2010/01/01 00:00:01;
ends never;
tstp 6 2010/01/02 05:00:00;
tsfp 6 2010/01/02 05:00:00;
atsfp 6 2010/01/02 05:00:00;
cltt 1 2010/01/02 05:00:00;
binding state free;
next binding state free;
rewind binding state free;
hardware ethernet %(mac)s;
uid "\001\000\234\002\242\2020";
set vendorclass = "PXEClient:Arch:00000:UNDI:002001";
client-hostname foo;
abandoned;
option agent.circuit-id thing;
option agent.remote-id thing;
ddns-text foo;
ddns-fwd-name foo;
ddns-client-fqdn foo;
ddns-rev-name foo;
vendor-class-identifier foo;
bootp;
reserved;
}
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_getRandomIPAddress(self):
ip_address = factory.getRandomIPAddress()
self.assertIsInstance(ip_address, unicode)
octets = ip_address.split('.')
self.assertEqual(4, len(octets))
for octet in octets:
self.assertTrue(0 <= int(octet) <= 255)
def test_remove_calls_omshell_correctly(self):
server_address = factory.getRandomString()
shared_key = factory.getRandomString()
ip_address = factory.getRandomIPAddress()
shell = Omshell(server_address, shared_key)
# Instead of calling a real omshell, we'll just record the
# parameters passed to Popen.
recorder = FakeMethod(result=(0, "thing1\nthing2\nobj: <null>"))
shell._run = recorder
shell.remove(ip_address)
expected_args = (dedent("""\
server {server}
key omapi_key {key}
connect
new host
set name = "{ip}"
open
remove
""").format(
server=server_address,
key=shared_key,
ip=ip_address),)
# Check that the 'stdin' arg contains the correct set of
# commands.
self.assertEqual([expected_args], recorder.extract_args())
def test_getRandomIPAddress(self):
ip_address = factory.getRandomIPAddress()
self.assertIsInstance(ip_address, unicode)
octets = ip_address.split('.')
self.assertEqual(4, len(octets))
for octet in octets:
self.assertTrue(0 <= int(octet) <= 255)
def test_gather_hosts_ignores_rubbed_out_entries(self):
ip = factory.getRandomIPAddress()
hosts = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
]
self.assertEqual({}, gather_hosts(hosts))
def test_create_calls_omshell_correctly(self):
server_address = factory.getRandomString()
shared_key = factory.getRandomString()
ip_address = factory.getRandomIPAddress()
mac_address = factory.getRandomMACAddress()
shell = Omshell(server_address, shared_key)
# Instead of calling a real omshell, we'll just record the
# parameters passed to Popen.
recorder = FakeMethod(result=(0, "hardware-type"))
shell._run = recorder
shell.create(ip_address, mac_address)
expected_args = (dedent("""\
server {server}
key omapi_key {key}
connect
new host
set ip-address = {ip}
set hardware-address = {mac}
set hardware-type = 1
set name = "{ip}"
create
""").format(
server=server_address,
key=shared_key,
ip=ip_address,
mac=mac_address),)
# Check that the 'stdin' arg contains the correct set of
# commands.
self.assertEqual(
[1, expected_args],
[recorder.call_count, recorder.extract_args()[0]])
def test_create_succeeds_when_host_map_already_exists(self):
# To omshell, creating the same host map twice is an error. But
# Omshell.create swallows the error and makes it look like
# success.
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
'hostname': factory.make_name('hostname')
}
shell = Omshell(factory.make_name('server'), factory.make_name('key'))
# This is the kind of error output we get if a host map has
# already been created.
error_output = dedent("""\
obj: host
ip-address = %(ip)s
hardware-address = %(mac)s
name = "%(hostname)s"
>
can't open object: I/O error
obj: host
ip-address = %(ip)s
hardware-address = %(mac)s
name = "%(hostname)s"
""") % params
shell._run = Mock(return_value=(0, error_output))
shell.create(params['ip'], params['mac'])
# The test is that we get here without error.
pass
def test_check_lease_changes_returns_tuple_if_lease_added(self):
leases = factory.make_random_leases()
self.set_lease_state(datetime.utcnow() - timedelta(seconds=10),
leases.copy())
leases[factory.getRandomIPAddress()] = factory.getRandomMACAddress()
leases_file = self.fake_leases_file(leases)
self.assertEqual((get_write_time(leases_file), leases),
check_lease_changes())
def test_probe_interface_returns_populated_set(self):
# Test that the detected DHCP server is returned.
eth0_addr = factory.getRandomIPAddress()
self.patch_fake_interfaces_list([("eth0", eth0_addr)])
self.patch(detect_module, 'probe_dhcp').return_value = {'10.2.2.2'}
interfaces = determine_cluster_interfaces(self.knowledge)
results = probe_interface(*interfaces[0])
self.assertEqual({'10.2.2.2'}, results)
def test_parse_leases_parses_host_rubout(self):
leases = parse_leases(
dedent("""\
host %s {
deleted;
}
""" % factory.getRandomIPAddress()))
self.assertEqual({}, leases)
def patch_offer_packet(self):
"""Patch a mock `DHCPOfferPacket`."""
transaction_id = factory.getRandomBytes(4)
packet = mock.MagicMock()
packet.transaction_ID = transaction_id
packet.dhcp_server_ID = factory.getRandomIPAddress()
self.patch(detect_module, 'DHCPOfferPacket').return_value = packet
return packet
def test_get_host_mac_returns_None_for_rubout(self):
ip = factory.getRandomIPAddress()
[parsed_host] = lease_parser.searchString(dedent("""\
host %s {
deleted;
}
""" % ip))
self.assertIsNone(get_host_mac(parsed_host))
def test_remove_dhcp_host_map_failure(self):
# Check that task failures are caught. Nothing much happens in
# the Task code right now though.
ip = factory.getRandomIPAddress()
server_address = factory.getRandomString()
key = factory.getRandomString()
self.patch(Omshell, '_run', FakeMethod(result=(0, "this_will_fail")))
self.assertRaises(CalledProcessError, remove_dhcp_host_map.delay, ip,
server_address, key)
def test_reverse_config_file_is_world_readable(self):
self.patch(DNSReverseZoneConfig, 'target_dir', self.make_dir())
dns_zone_config = DNSReverseZoneConfig(
factory.getRandomString(), serial=random.randint(1, 100),
dns_ip=factory.getRandomIPAddress(),
network=factory.getRandomNetwork())
dns_zone_config.write_config()
filepath = FilePath(dns_zone_config.target_path)
self.assertTrue(filepath.getPermissions().other.read)
def test_gather_hosts_follows_reassigned_host(self):
ip = factory.getRandomIPAddress()
new_owner = factory.getRandomMACAddress()
hosts = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_host(ip=ip, mac=new_owner),
]
self.assertEqual({ip: new_owner}, gather_hosts(hosts))
def test_get_host_mac_returns_None_for_rubout(self):
ip = factory.getRandomIPAddress()
[parsed_host] = lease_parser.searchString(
dedent("""\
host %s {
deleted;
}
""" % ip))
self.assertIsNone(get_host_mac(parsed_host))
def test_update_region_controller_sets_detected_dhcp(self):
mocked_put = self.patch(MAASClient, 'put')
mocked_put.return_value = MockResponse()
detected_server = factory.getRandomIPAddress()
update_region_controller(self.knowledge, "eth0", detected_server)
mocked_put.assert_called_once_with(
'api/1.0/nodegroups/%s/interfaces/eth0/' %
self.knowledge['nodegroup_uuid'],
foreign_dhcp_ip=detected_server)
def test_combine_entries_accepts_expired_lease_followed_by_host(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
earlier = '1 2001/01/01 00:00:00'
entries = [
self.fake_parsed_lease(ip=ip, ends=earlier),
self.fake_parsed_host(ip=ip, mac=mac),
]
self.assertEqual({ip: mac}, combine_entries(entries))
def test_combine_entries_accepts_reassigned_host(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
entries = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_host(ip=ip, mac=mac),
]
self.assertEqual({ip: mac}, combine_entries(entries))
def test_check_lease_changes_returns_tuple_if_lease_added(self):
leases = factory.make_random_leases()
self.set_lease_state(
datetime.utcnow() - timedelta(seconds=10), leases.copy())
leases[factory.getRandomIPAddress()] = factory.getRandomMACAddress()
leases_file = self.fake_leases_file(leases)
self.assertEqual(
(get_write_time(leases_file), leases),
check_lease_changes())
def test_combine_entries_accepts_expired_lease_followed_by_host(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
earlier = '1 2001/01/01 00:00:00'
entries = [
self.fake_parsed_lease(ip=ip, ends=earlier),
self.fake_parsed_host(ip=ip, mac=mac),
]
self.assertEqual({ip: mac}, combine_entries(entries))
def test_combine_entries_accepts_reassigned_host(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
entries = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_host(ip=ip, mac=mac),
]
self.assertEqual({ip: mac}, combine_entries(entries))
def test_gather_hosts_follows_reassigned_host(self):
ip = factory.getRandomIPAddress()
new_owner = factory.getRandomMACAddress()
hosts = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_host(ip=ip, mac=new_owner),
]
self.assertEqual({ip: new_owner}, gather_hosts(hosts))
def test_gather_leases_ignores_ordering(self):
earlier = '1 2001/01/01 00:00:00'
ip = factory.getRandomIPAddress()
old_owner = factory.getRandomMACAddress()
new_owner = factory.getRandomMACAddress()
leases = [
self.fake_parsed_lease(ip=ip, mac=new_owner),
self.fake_parsed_lease(ip=ip, mac=old_owner, ends=earlier),
]
self.assertEqual({ip: new_owner}, gather_leases(leases))
def test_set_up_options_conf_writes_configuration(self):
dns_conf_dir = self.make_dir()
self.patch(conf, 'DNS_CONFIG_DIR', dns_conf_dir)
fake_dns = factory.getRandomIPAddress()
set_up_options_conf(upstream_dns=fake_dns)
target_file = os.path.join(
dns_conf_dir, MAAS_NAMED_CONF_OPTIONS_INSIDE_NAME)
self.assertThat(
target_file,
FileContains(matcher=Contains(fake_dns)))
def test_combine_entries_ignores_rubout_followed_by_expired_lease(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
earlier = '1 2001/01/01 00:00:00'
entries = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_lease(ip=ip, mac=mac, ends=earlier),
]
self.assertEqual({}, combine_entries(entries))
def test_probe_interface_filters_interface_own_ip(self):
# Test that the interface shows the detected DHCP server except
# if it is the same IP as the interface's.
eth0_addr = factory.getRandomIPAddress()
self.patch_fake_interfaces_list([("eth0", eth0_addr)])
detected_dhcp = eth0_addr
self.patch(detect_module, 'probe_dhcp').return_value = {detected_dhcp}
interfaces = determine_cluster_interfaces(self.knowledge)
results = probe_interface(*interfaces[0])
self.assertEqual(set(), results)
def test_gather_leases_combines_expired_and_current_leases(self):
earlier = '1 2001/01/01 00:00:00'
ip = factory.getRandomIPAddress()
old_owner = factory.getRandomMACAddress()
new_owner = factory.getRandomMACAddress()
leases = [
self.fake_parsed_lease(ip=ip, mac=old_owner, ends=earlier),
self.fake_parsed_lease(ip=ip, mac=new_owner),
]
self.assertEqual({ip: new_owner}, gather_leases(leases))
def test_gather_leases_ignores_ordering(self):
earlier = '1 2001/01/01 00:00:00'
ip = factory.getRandomIPAddress()
old_owner = factory.getRandomMACAddress()
new_owner = factory.getRandomMACAddress()
leases = [
self.fake_parsed_lease(ip=ip, mac=new_owner),
self.fake_parsed_lease(ip=ip, mac=old_owner, ends=earlier),
]
self.assertEqual({ip: new_owner}, gather_leases(leases))
def test_remove_dhcp_host_map_failure(self):
# Check that task failures are caught. Nothing much happens in
# the Task code right now though.
ip = factory.getRandomIPAddress()
server_address = factory.getRandomString()
key = factory.getRandomString()
self.patch(Omshell, '_run', FakeMethod(result=(0, "this_will_fail")))
self.assertRaises(
CalledProcessError, remove_dhcp_host_map.delay,
ip, server_address, key)
def test_combine_entries_ignores_rubout_followed_by_expired_lease(self):
ip = factory.getRandomIPAddress()
mac = factory.getRandomMACAddress()
earlier = '1 2001/01/01 00:00:00'
entries = [
self.fake_parsed_host(ip=ip),
self.fake_parsed_rubout(ip=ip),
self.fake_parsed_lease(ip=ip, mac=mac, ends=earlier),
]
self.assertEqual({}, combine_entries(entries))
def test_gather_leases_combines_expired_and_current_leases(self):
earlier = '1 2001/01/01 00:00:00'
ip = factory.getRandomIPAddress()
old_owner = factory.getRandomMACAddress()
new_owner = factory.getRandomMACAddress()
leases = [
self.fake_parsed_lease(ip=ip, mac=old_owner, ends=earlier),
self.fake_parsed_lease(ip=ip, mac=new_owner),
]
self.assertEqual({ip: new_owner}, gather_leases(leases))
def test_get_host_mac_returns_None_for_host(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
[parsed_host] = lease_parser.searchString(dedent("""\
host %(ip)s {
hardware ethernet %(mac)s;
}
""" % params))
self.assertEqual(params['mac'], get_host_mac(parsed_host))
def fake_parsed_lease(self, ip=None, mac=None, ends=None,
entry_type='lease'):
"""Fake a lease as produced by the parser."""
if ip is None:
ip = factory.getRandomIPAddress()
if mac is None:
mac = factory.getRandomMACAddress()
Hardware = namedtuple('Hardware', ['mac'])
Lease = namedtuple(
'Lease', ['lease_or_host', 'ip', 'hardware', 'ends'])
return Lease(entry_type, ip, Hardware(mac), ends)
def test_parse_leases_treats_missing_end_date_as_eternity(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(dedent("""\
lease %(ip)s {
hardware ethernet %(mac)s;
}
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_remove_dhcp_host_map(self):
# We don't want to actually run omshell in the task, so we stub
# out the wrapper class's _run method and record what it would
# do.
ip = factory.getRandomIPAddress()
server_address = factory.getRandomString()
key = factory.getRandomString()
recorder = FakeMethod(result=(0, "obj: <null>"))
self.patch(Omshell, '_run', recorder)
remove_dhcp_host_map.delay(ip, server_address, key)
self.assertRecordedStdin(recorder, ip, server_address, key)
def test_forward_zone_get_cname_mapping_returns_iterator(self):
name = factory.getRandomString()
network = IPNetwork('192.12.0.1/30')
dns_ip = factory.getRandomIPInNetwork(network)
dns_zone_config = DNSForwardZoneConfig(
name, networks=[network], dns_ip=dns_ip,
mapping={
factory.make_name('hostname'): factory.getRandomIPAddress()})
self.assertThat(
dns_zone_config.get_cname_mapping(),
MatchesAll(
IsInstance(Iterable), Not(IsInstance(Sequence))))
def test_remove_dhcp_host_map(self):
# We don't want to actually run omshell in the task, so we stub
# out the wrapper class's _run method and record what it would
# do.
ip = factory.getRandomIPAddress()
server_address = factory.getRandomString()
key = factory.getRandomString()
recorder = FakeMethod(result=(0, "obj: <null>"))
self.patch(Omshell, '_run', recorder)
remove_dhcp_host_map.delay(ip, server_address, key)
self.assertRecordedStdin(recorder, ip, server_address, key)
def test_get_host_mac_returns_None_for_rubout_even_with_mac(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
[parsed_host] = lease_parser.searchString(dedent("""\
host %(ip)s {
deleted;
hardware ethernet %(mac)s;
}
""" % params))
self.assertIsNone(get_host_mac(parsed_host))
def test_host_declaration_is_like_an_unexpired_lease(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(dedent("""\
host %(ip)s {
hardware ethernet %(mac)s;
fixed-address %(ip)s;
}
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
def test_parse_leases_ignores_expired_leases(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(dedent("""\
lease %(ip)s {
hardware ethernet %(mac)s;
ends 1 2001/01/01 00:00:00;
}
""" % params))
self.assertEqual({}, leases)
def test_add_new_dhcp_host_map(self):
# We don't want to actually run omshell in the task, so we stub
# out the wrapper class's _run method and record what it would
# do.
mac = factory.getRandomMACAddress()
ip = factory.getRandomIPAddress()
server_address = factory.getRandomString()
key = factory.getRandomString()
recorder = FakeMethod(result=(0, "hardware-type"))
self.patch(Omshell, '_run', recorder)
add_new_dhcp_host_map.delay({ip: mac}, server_address, key)
self.assertRecordedStdin(recorder, ip, mac, server_address, key)
def test_parse_leases_parses_host(self):
params = {
'ip': factory.getRandomIPAddress(),
'mac': factory.getRandomMACAddress(),
}
leases = parse_leases(dedent("""\
host %(ip)s {
dynamic;
hardware ethernet %(mac)s;
fixed-address %(ip)s;
}
""" % params))
self.assertEqual({params['ip']: params['mac']}, leases)
