def test_unmanage_network_nm_running(self):
self.add_commands(CommandCaptureCommand(('nmcli', 'con', 'load', self.write_ifcfg_result)))
node_admin.unmanage_network(self.device_name, self.mac_address)
self.assertRanAllCommandsInOrder()
self.write_ifcfg_mock.assert_called_with(self.device_name, self.mac_address, None, None)
def set_address(self, ipv4_address, prefix):
ifaddr = "%s/%s" % (ipv4_address, prefix)
console_log.info("Set %s (%s) up" % (self.name, ifaddr))
if self.ipv4_address != ipv4_address:
node_admin.unmanage_network(self.device, self.mac_address)
AgentShell.try_run(
['/sbin/ip', 'link', 'set', 'dev', self.name, 'up'])
AgentShell.try_run(
['/sbin/ip', 'addr', 'add', ifaddr, 'dev', self.name])
# The link address change is asynchronous, so we need to wait for the
# address to stick of we have a race condition.
timeout = 30
while self.ipv4_address != ipv4_address and timeout != 0:
self.refresh()
time.sleep(1)
timeout -= 1
if self.ipv4_address != ipv4_address:
raise RuntimeError(
'Unable to set the address %s for interface %s' %
(self.ipv4_address, self.name))
node_admin.write_ifcfg(self.device, self.mac_address,
self.ipv4_address, self.ipv4_netmask)
else:
console_log.info("Nothing to do as %s already has address %s" %
(self.name, ifaddr))
def test_unmanage_network_nm_failures(self):
for expected_rc in [2, 127, 8]:
self.reset_command_capture()
self.add_commands(CommandCaptureCommand(('nmcli', 'con', 'load', self.write_ifcfg_result), rc=expected_rc))
node_admin.unmanage_network(self.device_name, self.mac_address)
self.assertRanAllCommandsInOrder()
def test_unmanage_network_nm_unknown_failures(self):
for expected_rc in [
2, 127
]: # Network Manager bad syntax and command unavailable return codes
self.reset_command_capture()
self.add_commands(
CommandCaptureCommand(
('nmcli', 'con', 'load', self.write_ifcfg_result),
rc=expected_rc))
with self.assertRaises(AgentShell.CommandExecutionError):
node_admin.unmanage_network(self.device_name, self.mac_address)
self.assertRanAllCommandsInOrder()
def test_unmanage_network_nm_not_installed(self):
noent_exception = OSError()
noent_exception.errno = errno.ENOENT
with mock.patch('chroma_agent.lib.shell.AgentShell.try_run',
side_effect=noent_exception):
self.assertIsNone(
node_admin.unmanage_network(self.device_name,
self.mac_address))
def test_unmanage_network_nm_permission_denied(self):
noent_exception = OSError()
noent_exception.errno = errno.EACCES
with mock.patch('chroma_agent.lib.shell.AgentShell.try_run',
side_effect=noent_exception):
with self.assertRaises(OSError):
self.assertIsNone(
node_admin.unmanage_network(self.device_name,
self.mac_address))
def set_address(self, ipv4_address, prefix):
ifaddr = "%s/%s" % (ipv4_address, prefix)
if not ipv4_address or not prefix:
console_log.info(
"Set {} called with invalid parameters: {}".format(self.name, ifaddr)
)
return
console_log.info("Set %s (%s) up" % (self.name, ifaddr))
if self.ipv4_address != ipv4_address:
node_admin.unmanage_network(self.device, self.mac_address)
AgentShell.try_run(["/sbin/ip", "link", "set", "dev", self.name, "up"])
AgentShell.try_run(["/sbin/ip", "addr", "add", ifaddr, "dev", self.name])
# The link address change is asynchronous, so we need to wait for the
# address to stick of we have a race condition.
timeout = 30
while self.ipv4_address != ipv4_address and timeout != 0:
self.refresh()
time.sleep(1)
timeout -= 1
if self.ipv4_address != ipv4_address:
raise RuntimeError(
"Unable to set the address %s for interface %s"
% (self.ipv4_address, self.name)
)
node_admin.write_ifcfg(
self.device, self.mac_address, self.ipv4_address, self.ipv4_netmask
)
else:
console_log.info(
"Nothing to do as %s already has address %s" % (self.name, ifaddr)
)
