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ansible/test/units/plugins/strategy/test_linear.py

178 lines
6.5 KiB
Python

# Copyright (c) 2018 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from units.compat import unittest
from mock import patch, MagicMock
from ansible.executor.play_iterator import PlayIterator
from ansible.playbook import Playbook
from ansible.playbook.play_context import PlayContext
from ansible.plugins.strategy.linear import StrategyModule
from ansible.executor.task_queue_manager import TaskQueueManager
from units.mock.loader import DictDataLoader
from units.mock.path import mock_unfrackpath_noop
class TestStrategyLinear(unittest.TestCase):
@patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop)
def test_noop(self):
fake_loader = DictDataLoader({
"test_play.yml": """
- hosts: all
gather_facts: no
tasks:
- block:
- block:
- name: task1
debug: msg='task1'
failed_when: inventory_hostname == 'host01'
- name: task2
debug: msg='task2'
rescue:
- name: rescue1
debug: msg='rescue1'
- name: rescue2
debug: msg='rescue2'
""",
})
mock_var_manager = MagicMock()
mock_var_manager._fact_cache = dict()
mock_var_manager.get_vars.return_value = dict()
p = Playbook.load('test_play.yml', loader=fake_loader, variable_manager=mock_var_manager)
inventory = MagicMock()
inventory.hosts = {}
hosts = []
for i in range(0, 2):
host = MagicMock()
host.name = host.get_name.return_value = 'host%02d' % i
hosts.append(host)
inventory.hosts[host.name] = host
inventory.get_hosts.return_value = hosts
inventory.filter_hosts.return_value = hosts
mock_var_manager._fact_cache['host00'] = dict()
play_context = PlayContext(play=p._entries[0])
itr = PlayIterator(
inventory=inventory,
play=p._entries[0],
play_context=play_context,
variable_manager=mock_var_manager,
all_vars=dict(),
)
tqm = TaskQueueManager(
inventory=inventory,
variable_manager=mock_var_manager,
loader=fake_loader,
passwords=None,
forks=5,
)
tqm._initialize_processes(3)
strategy = StrategyModule(tqm)
strategy._hosts_cache = [h.name for h in hosts]
strategy._hosts_cache_all = [h.name for h in hosts]
# implicit meta: flush_handlers
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'meta')
self.assertEqual(host2_task.action, 'meta')
# debug: task1, debug: task1
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'debug')
self.assertEqual(host2_task.action, 'debug')
self.assertEqual(host1_task.name, 'task1')
self.assertEqual(host2_task.name, 'task1')
# mark the second host failed
itr.mark_host_failed(hosts[1])
# debug: task2, meta: noop
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'debug')
self.assertEqual(host2_task.action, 'meta')
self.assertEqual(host1_task.name, 'task2')
self.assertEqual(host2_task.name, '')
# meta: noop, debug: rescue1
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'meta')
self.assertEqual(host2_task.action, 'debug')
self.assertEqual(host1_task.name, '')
self.assertEqual(host2_task.name, 'rescue1')
# meta: noop, debug: rescue2
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'meta')
self.assertEqual(host2_task.action, 'debug')
self.assertEqual(host1_task.name, '')
self.assertEqual(host2_task.name, 'rescue2')
# implicit meta: flush_handlers
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'meta')
self.assertEqual(host2_task.action, 'meta')
# implicit meta: flush_handlers
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNotNone(host1_task)
self.assertIsNotNone(host2_task)
self.assertEqual(host1_task.action, 'meta')
self.assertEqual(host2_task.action, 'meta')
# end of iteration
hosts_left = strategy.get_hosts_left(itr)
hosts_tasks = strategy._get_next_task_lockstep(hosts_left, itr)
host1_task = hosts_tasks[0][1]
host2_task = hosts_tasks[1][1]
self.assertIsNone(host1_task)
self.assertIsNone(host2_task)