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# This file is part of cloud-init. See LICENSE file for license information.
import sys
from cloudinit.config import cc_power_state_change as psc
from cloudinit import distros
from cloudinit import helpers
from cloudinit.tests import helpers as t_help
from cloudinit.tests.helpers import mock
class TestLoadPowerState(t_help.TestCase):
def setUp(self):
super(TestLoadPowerState, self).setUp()
cls = distros.fetch('ubuntu')
paths = helpers.Paths({})
self.dist = cls('ubuntu', {}, paths)
def test_no_config(self):
# completely empty config should mean do nothing
(cmd, _timeout, _condition) = psc.load_power_state({}, self.dist)
self.assertIsNone(cmd)
def test_irrelevant_config(self):
# no power_state field in config should return None for cmd
(cmd, _timeout, _condition) = psc.load_power_state({'foo': 'bar'},
self.dist)
self.assertIsNone(cmd)
def test_invalid_mode(self):
cfg = {'power_state': {'mode': 'gibberish'}}
self.assertRaises(TypeError, psc.load_power_state, cfg, self.dist)
cfg = {'power_state': {'mode': ''}}
self.assertRaises(TypeError, psc.load_power_state, cfg, self.dist)
def test_empty_mode(self):
cfg = {'power_state': {'message': 'goodbye'}}
self.assertRaises(TypeError, psc.load_power_state, cfg, self.dist)
def test_valid_modes(self):
cfg = {'power_state': {}}
for mode in ('halt', 'poweroff', 'reboot'):
cfg['power_state']['mode'] = mode
check_lps_ret(psc.load_power_state(cfg, self.dist), mode=mode)
def test_invalid_delay(self):
cfg = {'power_state': {'mode': 'poweroff', 'delay': 'goodbye'}}
self.assertRaises(TypeError, psc.load_power_state, cfg, self.dist)
def test_valid_delay(self):
cfg = {'power_state': {'mode': 'poweroff', 'delay': ''}}
for delay in ("now", "+1", "+30"):
cfg['power_state']['delay'] = delay
check_lps_ret(psc.load_power_state(cfg, self.dist))
def test_message_present(self):
cfg = {'power_state': {'mode': 'poweroff', 'message': 'GOODBYE'}}
ret = psc.load_power_state(cfg, self.dist)
check_lps_ret(psc.load_power_state(cfg, self.dist))
self.assertIn(cfg['power_state']['message'], ret[0])
def test_no_message(self):
# if message is not present, then no argument should be passed for it
cfg = {'power_state': {'mode': 'poweroff'}}
(cmd, _timeout, _condition) = psc.load_power_state(cfg, self.dist)
self.assertNotIn("", cmd)
check_lps_ret(psc.load_power_state(cfg, self.dist))
self.assertTrue(len(cmd) == 3)
def test_condition_null_raises(self):
cfg = {'power_state': {'mode': 'poweroff', 'condition': None}}
self.assertRaises(TypeError, psc.load_power_state, cfg, self.dist)
def test_condition_default_is_true(self):
cfg = {'power_state': {'mode': 'poweroff'}}
_cmd, _timeout, cond = psc.load_power_state(cfg, self.dist)
self.assertEqual(cond, True)
def test_freebsd_poweroff_uses_lowercase_p(self):
cls = distros.fetch('freebsd')
paths = helpers.Paths({})
freebsd = cls('freebsd', {}, paths)
cfg = {'power_state': {'mode': 'poweroff'}}
ret = psc.load_power_state(cfg, freebsd)
self.assertIn('-p', ret[0])
def test_alpine_delay(self):
# alpine takes delay in seconds.
cls = distros.fetch('alpine')
paths = helpers.Paths({})
alpine = cls('alpine', {}, paths)
cfg = {'power_state': {'mode': 'poweroff', 'delay': ''}}
for delay, value in (('now', 0), ("+1", 60), ("+30", 1800)):
cfg['power_state']['delay'] = delay
ret = psc.load_power_state(cfg, alpine)
self.assertEqual('-d', ret[0][1])
self.assertEqual(str(value), ret[0][2])
class TestCheckCondition(t_help.TestCase):
def cmd_with_exit(self, rc):
return([sys.executable, '-c', 'import sys; sys.exit(%s)' % rc])
def test_true_is_true(self):
self.assertEqual(psc.check_condition(True), True)
def test_false_is_false(self):
self.assertEqual(psc.check_condition(False), False)
def test_cmd_exit_zero_true(self):
self.assertEqual(psc.check_condition(self.cmd_with_exit(0)), True)
def test_cmd_exit_one_false(self):
self.assertEqual(psc.check_condition(self.cmd_with_exit(1)), False)
def test_cmd_exit_nonzero_warns(self):
mocklog = mock.Mock()
self.assertEqual(
psc.check_condition(self.cmd_with_exit(2), mocklog), False)
self.assertEqual(mocklog.warning.call_count, 1)
def check_lps_ret(psc_return, mode=None):
if len(psc_return) != 3:
raise TypeError("length returned = %d" % len(psc_return))
errs = []
cmd = psc_return[0]
timeout = psc_return[1]
condition = psc_return[2]
if 'shutdown' not in psc_return[0][0]:
errs.append("string 'shutdown' not in cmd")
if condition is None:
errs.append("condition was not returned")
if mode is not None:
opt = {'halt': '-H', 'poweroff': '-P', 'reboot': '-r'}[mode]
if opt not in psc_return[0]:
errs.append("opt '%s' not in cmd: %s" % (opt, cmd))
if len(cmd) != 3 and len(cmd) != 4:
errs.append("Invalid command length: %s" % len(cmd))
try:
float(timeout)
except Exception:
errs.append("timeout failed convert to float")
if len(errs):
lines = ["Errors in result: %s" % str(psc_return)] + errs
raise Exception('\n'.join(lines))
# vi: ts=4 expandtab
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