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# This file is part of cloud-init. See LICENSE file for license information.
import sys
from cloudinit import distros, helpers
from cloudinit.config import cc_power_state_change as psc
from tests.unittests import helpers as t_help
from tests.unittests.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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