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# Copyright 2014 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Tests for ``provisioningserver.drivers.hardware.mscm``."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
str = None
__metaclass__ = type
__all__ = []
from random import randint
import re
from StringIO import StringIO
from maastesting.factory import factory
from maastesting.matchers import MockCalledOnceWith
from maastesting.testcase import MAASTestCase
from mock import Mock
from provisioningserver.drivers.hardware.mscm import (
cartridge_mapping,
MSCM_CLI_API,
power_control_mscm,
probe_and_enlist_mscm,
)
import provisioningserver.custom_hardware.utils as utils
def make_mscm_api():
"""Make a MSCM_CLI_API object with randomized parameters."""
host = factory.make_hostname('mscm')
username = factory.make_name('user')
password = factory.make_name('password')
return MSCM_CLI_API(host, username, password)
def make_node_id():
"""Make a node_id."""
return 'c%sn%s' % (randint(1, 45), randint(1, 8))
def make_show_node_list(length=10):
"""Make a fake return value for discover_nodes."""
return re.findall(r'c\d+n\d', ''.join(make_node_id()
for _ in xrange(length)))
def make_show_node_macaddr(length=10):
"""Make a fake return value for get_node_macaddr."""
return ''.join((factory.getRandomMACAddress() + ' ')
for _ in xrange(length))
class TestRunCliCommand(MAASTestCase):
"""Tests for ``MSCM_CLI_API.run_cli_command``."""
def test_returns_output(self):
api = make_mscm_api()
ssh_mock = self.patch(api, '_ssh')
expected = factory.make_name('output')
stdout = StringIO(expected)
streams = factory.make_streams(stdout=stdout)
ssh_mock.exec_command = Mock(return_value=streams)
output = api._run_cli_command(factory.make_name('command'))
self.assertEqual(expected, output)
def test_connects_and_closes_ssh_client(self):
api = make_mscm_api()
ssh_mock = self.patch(api, '_ssh')
ssh_mock.exec_command = Mock(return_value=factory.make_streams())
api._run_cli_command(factory.make_name('command'))
self.assertThat(
ssh_mock.connect,
MockCalledOnceWith(
api.host, username=api.username, password=api.password))
self.assertThat(ssh_mock.close, MockCalledOnceWith())
def test_closes_when_exception_raised(self):
api = make_mscm_api()
ssh_mock = self.patch(api, '_ssh')
def fail():
raise Exception('fail')
ssh_mock.exec_command = Mock(side_effect=fail)
command = factory.make_name('command')
self.assertRaises(Exception, api._run_cli_command, command)
self.assertThat(ssh_mock.close, MockCalledOnceWith())
class TestDiscoverNodes(MAASTestCase):
"""Tests for ``MSCM_CLI_API.discover_nodes``."""
def test_discover_nodes(self):
api = make_mscm_api()
ssh_mock = self.patch(api, '_ssh')
expected = make_show_node_list()
stdout = StringIO(expected)
streams = factory.make_streams(stdout=stdout)
ssh_mock.exec_command = Mock(return_value=streams)
output = api.discover_nodes()
self.assertEqual(expected, output)
class TestNodeMACAddress(MAASTestCase):
"""Tests for ``MSCM_CLI_API.get_node_macaddr``."""
def test_get_node_macaddr(self):
api = make_mscm_api()
expected = make_show_node_macaddr()
cli_mock = self.patch(api, '_run_cli_command')
cli_mock.return_value = expected
node_id = make_node_id()
output = api.get_node_macaddr(node_id)
self.assertEqual(re.findall(r':'.join(['[0-9a-f]{2}'] * 6),
expected), output)
class TestNodeArch(MAASTestCase):
"""Tests for ``MSCM_CLI_API.get_node_arch``."""
def test_get_node_arch(self):
api = make_mscm_api()
expected = '\r\n Product Name: ProLiant Moonshot Cartridge\r\n'
cli_mock = self.patch(api, '_run_cli_command')
cli_mock.return_value = expected
node_id = make_node_id()
output = api.get_node_arch(node_id)
key = expected.split('Product Name: ')[1].splitlines()[0]
self.assertEqual(cartridge_mapping[key], output)
class TestGetNodePowerStatus(MAASTestCase):
"""Tests for ``MSCM_CLI_API.get_node_power_status``."""
def test_get_node_power_status(self):
api = make_mscm_api()
expected = '\r\n Node #1\r\n Power State: On\r\n'
cli_mock = self.patch(api, '_run_cli_command')
cli_mock.return_value = expected
node_id = make_node_id()
output = api.get_node_power_status(node_id)
self.assertEqual(expected.split('Power State: ')[1].splitlines()[0],
output)
class TestPowerAndConfigureNode(MAASTestCase):
"""Tests for ``MSCM_CLI_API.configure_node_bootonce_pxe,
MSCM_CLI_API.power_node_on, and MSCM_CLI_API.power_node_off``.
"""
scenarios = [
('power_node_on()',
dict(method='power_node_on')),
('power_node_off()',
dict(method='power_node_off')),
('configure_node_bootonce_pxe()',
dict(method='configure_node_bootonce_pxe')),
]
def test_returns_expected_outout(self):
api = make_mscm_api()
ssh_mock = self.patch(api, '_ssh')
expected = factory.make_name('output')
stdout = StringIO(expected)
streams = factory.make_streams(stdout=stdout)
ssh_mock.exec_command = Mock(return_value=streams)
output = getattr(api, self.method)(make_node_id())
self.assertEqual(expected, output)
class TestPowerControlMSCM(MAASTestCase):
"""Tests for ``power_control_ucsm``."""
def test_power_control_mscm_on_on(self):
# power_change and power_status are both 'on'
host = factory.make_hostname('mscm')
username = factory.make_name('user')
password = factory.make_name('password')
node_id = make_node_id()
bootonce_mock = self.patch(MSCM_CLI_API, 'configure_node_bootonce_pxe')
power_status_mock = self.patch(MSCM_CLI_API, 'get_node_power_status')
power_status_mock.return_value = 'On'
power_node_on_mock = self.patch(MSCM_CLI_API, 'power_node_on')
power_node_off_mock = self.patch(MSCM_CLI_API, 'power_node_off')
power_control_mscm(host, username, password, node_id,
power_change='on')
self.assertThat(bootonce_mock, MockCalledOnceWith(node_id))
self.assertThat(power_node_off_mock, MockCalledOnceWith(node_id))
self.assertThat(power_node_on_mock, MockCalledOnceWith(node_id))
def test_power_control_mscm_on_off(self):
# power_change is 'on' and power_status is 'off'
host = factory.make_hostname('mscm')
username = factory.make_name('user')
password = factory.make_name('password')
node_id = make_node_id()
bootonce_mock = self.patch(MSCM_CLI_API, 'configure_node_bootonce_pxe')
power_status_mock = self.patch(MSCM_CLI_API, 'get_node_power_status')
power_status_mock.return_value = 'Off'
power_node_on_mock = self.patch(MSCM_CLI_API, 'power_node_on')
power_control_mscm(host, username, password, node_id,
power_change='on')
self.assertThat(bootonce_mock, MockCalledOnceWith(node_id))
self.assertThat(power_node_on_mock, MockCalledOnceWith(node_id))
def test_power_control_mscm_off_on(self):
# power_change is 'off' and power_status is 'on'
host = factory.make_hostname('mscm')
username = factory.make_name('user')
password = factory.make_name('password')
node_id = make_node_id()
power_status_mock = self.patch(MSCM_CLI_API, 'get_node_power_status')
power_status_mock.return_value = 'On'
power_node_off_mock = self.patch(MSCM_CLI_API, 'power_node_off')
power_control_mscm(host, username, password, node_id,
power_change='off')
self.assertThat(power_node_off_mock, MockCalledOnceWith(node_id))
class TestProbeAndEnlistMSCM(MAASTestCase):
"""Tests for ``probe_and_enlist_mscm``."""
def test_probe_and_enlist(self):
host = factory.make_hostname('mscm')
username = factory.make_name('user')
password = factory.make_name('password')
node_id = make_node_id()
macs = make_show_node_macaddr(4)
arch = 'arm64/xgene-uboot'
discover_nodes_mock = self.patch(MSCM_CLI_API, 'discover_nodes')
discover_nodes_mock.return_value = [node_id]
boot_m2_mock = self.patch(MSCM_CLI_API, 'configure_node_boot_m2')
node_arch_mock = self.patch(MSCM_CLI_API, 'get_node_arch')
node_arch_mock.return_value = arch
node_macs_mock = self.patch(MSCM_CLI_API, 'get_node_macaddr')
node_macs_mock.return_value = macs
create_node_mock = self.patch(utils, 'create_node')
probe_and_enlist_mscm(host, username, password)
self.assertThat(discover_nodes_mock, MockCalledOnceWith())
self.assertThat(boot_m2_mock, MockCalledOnceWith(node_id))
self.assertThat(node_arch_mock, MockCalledOnceWith(node_id))
self.assertThat(node_macs_mock, MockCalledOnceWith(node_id))
params = {
'power_address': host,
'power_user': username,
'power_pass': password,
'node_id': node_id,
}
self.assertThat(create_node_mock,
MockCalledOnceWith(macs, arch, 'mscm', params))
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