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ansible/test/units/executor/test_task_executor.py

490 lines
16 KiB
Python

# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from unittest import mock
from units.compat import unittest
from unittest.mock import patch, MagicMock
from ansible.errors import AnsibleError
from ansible.executor.task_executor import TaskExecutor, remove_omit
from ansible.plugins.loader import action_loader, lookup_loader, module_loader
from ansible.parsing.yaml.objects import AnsibleUnicode
from ansible.utils.unsafe_proxy import AnsibleUnsafeText, AnsibleUnsafeBytes
from ansible.module_utils.six import text_type
from collections import namedtuple
from units.mock.loader import DictDataLoader
get_with_context_result = namedtuple('get_with_context_result', ['object', 'plugin_load_context'])
class TestTaskExecutor(unittest.TestCase):
def test_task_executor_init(self):
fake_loader = DictDataLoader({})
mock_host = MagicMock()
mock_task = MagicMock()
mock_play_context = MagicMock()
mock_shared_loader = MagicMock()
new_stdin = None
job_vars = dict()
mock_queue = MagicMock()
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=mock_shared_loader,
final_q=mock_queue,
)
def test_task_executor_run(self):
fake_loader = DictDataLoader({})
mock_host = MagicMock()
mock_task = MagicMock()
mock_task._role._role_path = '/path/to/role/foo'
mock_play_context = MagicMock()
mock_shared_loader = MagicMock()
mock_queue = MagicMock()
new_stdin = None
job_vars = dict()
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=mock_shared_loader,
final_q=mock_queue,
)
te._get_loop_items = MagicMock(return_value=None)
te._execute = MagicMock(return_value=dict())
res = te.run()
te._get_loop_items = MagicMock(return_value=[])
res = te.run()
te._get_loop_items = MagicMock(return_value=['a', 'b', 'c'])
te._run_loop = MagicMock(return_value=[dict(item='a', changed=True), dict(item='b', failed=True), dict(item='c')])
res = te.run()
te._get_loop_items = MagicMock(side_effect=AnsibleError(""))
res = te.run()
self.assertIn("failed", res)
def test_task_executor_run_clean_res(self):
te = TaskExecutor(None, MagicMock(), None, None, None, None, None, None)
te._get_loop_items = MagicMock(return_value=[1])
te._run_loop = MagicMock(
return_value=[
{
'unsafe_bytes': AnsibleUnsafeBytes(b'{{ $bar }}'),
'unsafe_text': AnsibleUnsafeText(u'{{ $bar }}'),
'bytes': b'bytes',
'text': u'text',
'int': 1,
}
]
)
res = te.run()
data = res['results'][0]
self.assertIsInstance(data['unsafe_bytes'], AnsibleUnsafeText)
self.assertIsInstance(data['unsafe_text'], AnsibleUnsafeText)
self.assertIsInstance(data['bytes'], text_type)
self.assertIsInstance(data['text'], text_type)
self.assertIsInstance(data['int'], int)
def test_task_executor_get_loop_items(self):
fake_loader = DictDataLoader({})
mock_host = MagicMock()
mock_task = MagicMock()
mock_task.loop_with = 'items'
mock_task.loop = ['a', 'b', 'c']
mock_play_context = MagicMock()
mock_shared_loader = MagicMock()
mock_shared_loader.lookup_loader = lookup_loader
new_stdin = None
job_vars = dict()
mock_queue = MagicMock()
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=mock_shared_loader,
final_q=mock_queue,
)
items = te._get_loop_items()
self.assertEqual(items, ['a', 'b', 'c'])
def test_task_executor_run_loop(self):
items = ['a', 'b', 'c']
fake_loader = DictDataLoader({})
mock_host = MagicMock()
def _copy(exclude_parent=False, exclude_tasks=False):
new_item = MagicMock()
return new_item
mock_task = MagicMock()
mock_task.copy.side_effect = _copy
mock_play_context = MagicMock()
mock_shared_loader = MagicMock()
mock_queue = MagicMock()
new_stdin = None
job_vars = dict()
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=mock_shared_loader,
final_q=mock_queue,
)
def _execute(variables):
return dict(item=variables.get('item'))
te._execute = MagicMock(side_effect=_execute)
res = te._run_loop(items)
self.assertEqual(len(res), 3)
def test_task_executor_get_action_handler(self):
te = TaskExecutor(
host=MagicMock(),
task=MagicMock(),
job_vars={},
play_context=MagicMock(),
new_stdin=None,
loader=DictDataLoader({}),
shared_loader_obj=MagicMock(),
final_q=MagicMock(),
)
context = MagicMock(resolved=False)
te._shared_loader_obj.module_loader.find_plugin_with_context.return_value = context
action_loader = te._shared_loader_obj.action_loader
action_loader.has_plugin.return_value = True
action_loader.get.return_value = mock.sentinel.handler
mock_connection = MagicMock()
mock_templar = MagicMock()
action = 'namespace.prefix_suffix'
te._task.action = action
handler = te._get_action_handler(mock_connection, mock_templar)
self.assertIs(mock.sentinel.handler, handler)
action_loader.has_plugin.assert_called_once_with(
action, collection_list=te._task.collections)
action_loader.get.assert_called_once_with(
te._task.action, task=te._task, connection=mock_connection,
play_context=te._play_context, loader=te._loader,
templar=mock_templar, shared_loader_obj=te._shared_loader_obj,
collection_list=te._task.collections)
def test_task_executor_get_handler_prefix(self):
te = TaskExecutor(
host=MagicMock(),
task=MagicMock(),
job_vars={},
play_context=MagicMock(),
new_stdin=None,
loader=DictDataLoader({}),
shared_loader_obj=MagicMock(),
final_q=MagicMock(),
)
context = MagicMock(resolved=False)
te._shared_loader_obj.module_loader.find_plugin_with_context.return_value = context
action_loader = te._shared_loader_obj.action_loader
action_loader.has_plugin.side_effect = [False, True]
action_loader.get.return_value = mock.sentinel.handler
action_loader.__contains__.return_value = True
mock_connection = MagicMock()
mock_templar = MagicMock()
action = 'namespace.netconf_suffix'
module_prefix = action.split('_', 1)[0]
te._task.action = action
handler = te._get_action_handler(mock_connection, mock_templar)
self.assertIs(mock.sentinel.handler, handler)
action_loader.has_plugin.assert_has_calls([mock.call(action, collection_list=te._task.collections), # called twice
mock.call(module_prefix, collection_list=te._task.collections)])
action_loader.get.assert_called_once_with(
module_prefix, task=te._task, connection=mock_connection,
play_context=te._play_context, loader=te._loader,
templar=mock_templar, shared_loader_obj=te._shared_loader_obj,
collection_list=te._task.collections)
def test_task_executor_get_handler_normal(self):
te = TaskExecutor(
host=MagicMock(),
task=MagicMock(),
job_vars={},
play_context=MagicMock(),
new_stdin=None,
loader=DictDataLoader({}),
shared_loader_obj=MagicMock(),
final_q=MagicMock(),
)
action_loader = te._shared_loader_obj.action_loader
action_loader.has_plugin.return_value = False
action_loader.get.return_value = mock.sentinel.handler
action_loader.__contains__.return_value = False
module_loader = te._shared_loader_obj.module_loader
context = MagicMock(resolved=False)
module_loader.find_plugin_with_context.return_value = context
mock_connection = MagicMock()
mock_templar = MagicMock()
action = 'namespace.prefix_suffix'
module_prefix = action.split('_', 1)[0]
te._task.action = action
handler = te._get_action_handler(mock_connection, mock_templar)
self.assertIs(mock.sentinel.handler, handler)
action_loader.has_plugin.assert_has_calls([mock.call(action, collection_list=te._task.collections),
mock.call(module_prefix, collection_list=te._task.collections)])
action_loader.get.assert_called_once_with(
'ansible.legacy.normal', task=te._task, connection=mock_connection,
play_context=te._play_context, loader=te._loader,
templar=mock_templar, shared_loader_obj=te._shared_loader_obj,
collection_list=None)
def test_task_executor_execute(self):
fake_loader = DictDataLoader({})
mock_host = MagicMock()
mock_task = MagicMock()
mock_task.action = 'mock.action'
mock_task.args = dict()
mock_task.become = False
mock_task.retries = 0
mock_task.delay = -1
mock_task.register = 'foo'
mock_task.until = None
mock_task.changed_when = None
mock_task.failed_when = None
mock_task.post_validate.return_value = None
# mock_task.async_val cannot be left unset, because on Python 3 MagicMock()
# > 0 raises a TypeError There are two reasons for using the value 1
# here: on Python 2 comparing MagicMock() > 0 returns True, and the
# other reason is that if I specify 0 here, the test fails. ;)
mock_task.async_val = 1
mock_task.poll = 0
mock_play_context = MagicMock()
mock_play_context.post_validate.return_value = None
mock_play_context.update_vars.return_value = None
mock_connection = MagicMock()
mock_connection.force_persistence = False
mock_connection.supports_persistence = False
mock_connection.set_host_overrides.return_value = None
mock_connection._connect.return_value = None
mock_action = MagicMock()
mock_queue = MagicMock()
shared_loader = MagicMock()
new_stdin = None
job_vars = dict(omit="XXXXXXXXXXXXXXXXXXX")
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=shared_loader,
final_q=mock_queue,
)
te._get_connection = MagicMock(return_value=mock_connection)
context = MagicMock()
te._get_action_handler_with_context = MagicMock(return_value=get_with_context_result(mock_action, context))
mock_action.run.return_value = dict(ansible_facts=dict())
res = te._execute()
mock_task.changed_when = MagicMock(return_value=AnsibleUnicode("1 == 1"))
res = te._execute()
mock_task.changed_when = None
mock_task.failed_when = MagicMock(return_value=AnsibleUnicode("1 == 1"))
res = te._execute()
mock_task.failed_when = None
mock_task.evaluate_conditional.return_value = False
res = te._execute()
mock_task.evaluate_conditional.return_value = True
mock_task.args = dict(_raw_params='foo.yml', a='foo', b='bar')
mock_task.action = 'include'
res = te._execute()
def test_task_executor_poll_async_result(self):
fake_loader = DictDataLoader({})
mock_host = MagicMock()
mock_task = MagicMock()
mock_task.async_val = 0.1
mock_task.poll = 0.05
mock_play_context = MagicMock()
mock_connection = MagicMock()
mock_action = MagicMock()
mock_queue = MagicMock()
shared_loader = MagicMock()
shared_loader.action_loader = action_loader
new_stdin = None
job_vars = dict(omit="XXXXXXXXXXXXXXXXXXX")
te = TaskExecutor(
host=mock_host,
task=mock_task,
job_vars=job_vars,
play_context=mock_play_context,
new_stdin=new_stdin,
loader=fake_loader,
shared_loader_obj=shared_loader,
final_q=mock_queue,
)
te._connection = MagicMock()
def _get(*args, **kwargs):
mock_action = MagicMock()
mock_action.run.return_value = dict(stdout='')
return mock_action
# testing with some bad values in the result passed to poll async,
# and with a bad value returned from the mock action
with patch.object(action_loader, 'get', _get):
mock_templar = MagicMock()
res = te._poll_async_result(result=dict(), templar=mock_templar)
self.assertIn('failed', res)
res = te._poll_async_result(result=dict(ansible_job_id=1), templar=mock_templar)
self.assertIn('failed', res)
def _get(*args, **kwargs):
mock_action = MagicMock()
mock_action.run.return_value = dict(finished=1)
return mock_action
# now testing with good values
with patch.object(action_loader, 'get', _get):
mock_templar = MagicMock()
res = te._poll_async_result(result=dict(ansible_job_id=1), templar=mock_templar)
self.assertEqual(res, dict(finished=1))
def test_recursive_remove_omit(self):
omit_token = 'POPCORN'
data = {
'foo': 'bar',
'baz': 1,
'qux': ['one', 'two', 'three'],
'subdict': {
'remove': 'POPCORN',
'keep': 'not_popcorn',
'subsubdict': {
'remove': 'POPCORN',
'keep': 'not_popcorn',
},
'a_list': ['POPCORN'],
},
'a_list': ['POPCORN'],
'list_of_lists': [
['some', 'thing'],
],
'list_of_dicts': [
{
'remove': 'POPCORN',
}
],
}
expected = {
'foo': 'bar',
'baz': 1,
'qux': ['one', 'two', 'three'],
'subdict': {
'keep': 'not_popcorn',
'subsubdict': {
'keep': 'not_popcorn',
},
'a_list': ['POPCORN'],
},
'a_list': ['POPCORN'],
'list_of_lists': [
['some', 'thing'],
],
'list_of_dicts': [{}],
}
self.assertEqual(remove_omit(data, omit_token), expected)