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3033fd96b0
* Move ansible.compat.tests to test/units/compat/. * Fix unit test references to ansible.compat.tests. * Move builtins compat to separate file. * Fix classification of test/units/compat/ dir.
305 lines
11 KiB
Python
305 lines
11 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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from collections import defaultdict
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from units.compat import unittest
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from units.compat.mock import MagicMock, mock_open, patch
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from ansible.inventory.manager import InventoryManager
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from ansible.module_utils.six import iteritems
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from ansible.module_utils.six.moves import builtins
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from ansible.playbook.play import Play
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from units.mock.loader import DictDataLoader
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from units.mock.path import mock_unfrackpath_noop
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from ansible.vars.manager import VariableManager
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class TestVariableManager(unittest.TestCase):
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def test_basic_manager(self):
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fake_loader = DictDataLoader({})
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mock_inventory = MagicMock()
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v = VariableManager(loader=fake_loader, inventory=mock_inventory)
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variables = v.get_vars(use_cache=False)
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# Check var manager expected values, never check: ['omit', 'vars']
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# FIXME: add the following ['ansible_version', 'ansible_playbook_python', 'groups']
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for varname, value in (('playbook_dir', os.path.abspath('.')), ):
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self.assertEqual(variables[varname], value)
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def test_variable_manager_extra_vars(self):
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fake_loader = DictDataLoader({})
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extra_vars = dict(a=1, b=2, c=3)
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mock_inventory = MagicMock()
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v = VariableManager(loader=fake_loader, inventory=mock_inventory)
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v.extra_vars = extra_vars
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vars = v.get_vars(use_cache=False)
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for (key, val) in iteritems(extra_vars):
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self.assertEqual(vars.get(key), val)
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self.assertIsNot(v.extra_vars, extra_vars)
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def test_variable_manager_play_vars(self):
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fake_loader = DictDataLoader({})
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mock_play = MagicMock()
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mock_play.get_vars.return_value = dict(foo="bar")
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mock_play.get_roles.return_value = []
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mock_play.get_vars_files.return_value = []
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mock_inventory = MagicMock()
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v = VariableManager(loader=fake_loader, inventory=mock_inventory)
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self.assertEqual(v.get_vars(play=mock_play, use_cache=False).get("foo"), "bar")
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def test_variable_manager_play_vars_files(self):
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fake_loader = DictDataLoader({
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__file__: """
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foo: bar
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"""
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})
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mock_play = MagicMock()
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mock_play.get_vars.return_value = dict()
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mock_play.get_roles.return_value = []
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mock_play.get_vars_files.return_value = [__file__]
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mock_inventory = MagicMock()
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v = VariableManager(inventory=mock_inventory, loader=fake_loader)
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self.assertEqual(v.get_vars(play=mock_play, use_cache=False).get("foo"), "bar")
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def test_variable_manager_task_vars(self):
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# FIXME: BCS make this work
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return
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# pylint: disable=unreachable
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fake_loader = DictDataLoader({})
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mock_task = MagicMock()
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mock_task._role = None
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mock_task.loop = None
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mock_task.get_vars.return_value = dict(foo="bar")
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mock_task.get_include_params.return_value = dict()
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mock_all = MagicMock()
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mock_all.get_vars.return_value = {}
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mock_all.get_file_vars.return_value = {}
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mock_host = MagicMock()
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mock_host.get.name.return_value = 'test01'
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mock_host.get_vars.return_value = {}
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mock_host.get_host_vars.return_value = {}
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mock_inventory = MagicMock()
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mock_inventory.hosts.get.return_value = mock_host
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mock_inventory.hosts.get.name.return_value = 'test01'
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mock_inventory.get_host.return_value = mock_host
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mock_inventory.groups.__getitem__.return_value = mock_all
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v = VariableManager(loader=fake_loader, inventory=mock_inventory)
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self.assertEqual(v.get_vars(task=mock_task, use_cache=False).get("foo"), "bar")
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@patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop)
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def test_variable_manager_precedence(self):
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# FIXME: this needs to be redone as dataloader is not the automatic source of data anymore
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return
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# pylint: disable=unreachable
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'''
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Tests complex variations and combinations of get_vars() with different
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objects to modify the context under which variables are merged.
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'''
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# FIXME: BCS makethiswork
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# return True
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mock_inventory = MagicMock()
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inventory1_filedata = """
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[group2:children]
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group1
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[group1]
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host1 host_var=host_var_from_inventory_host1
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[group1:vars]
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group_var = group_var_from_inventory_group1
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[group2:vars]
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group_var = group_var_from_inventory_group2
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"""
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fake_loader = DictDataLoader({
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# inventory1
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'/etc/ansible/inventory1': inventory1_filedata,
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# role defaults_only1
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'/etc/ansible/roles/defaults_only1/defaults/main.yml': """
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default_var: "default_var_from_defaults_only1"
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host_var: "host_var_from_defaults_only1"
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group_var: "group_var_from_defaults_only1"
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group_var_all: "group_var_all_from_defaults_only1"
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extra_var: "extra_var_from_defaults_only1"
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""",
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'/etc/ansible/roles/defaults_only1/tasks/main.yml': """
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- debug: msg="here i am"
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""",
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# role defaults_only2
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'/etc/ansible/roles/defaults_only2/defaults/main.yml': """
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default_var: "default_var_from_defaults_only2"
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host_var: "host_var_from_defaults_only2"
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group_var: "group_var_from_defaults_only2"
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group_var_all: "group_var_all_from_defaults_only2"
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extra_var: "extra_var_from_defaults_only2"
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""",
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})
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inv1 = InventoryManager(loader=fake_loader, sources=['/etc/ansible/inventory1'])
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v = VariableManager(inventory=mock_inventory, loader=fake_loader)
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v._fact_cache = defaultdict(dict)
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play1 = Play.load(dict(
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hosts=['all'],
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roles=['defaults_only1', 'defaults_only2'],
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), loader=fake_loader, variable_manager=v)
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# first we assert that the defaults as viewed as a whole are the merged results
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# of the defaults from each role, with the last role defined "winning" when
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# there is a variable naming conflict
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res = v.get_vars(play=play1)
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self.assertEqual(res['default_var'], 'default_var_from_defaults_only2')
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# next, we assert that when vars are viewed from the context of a task within a
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# role, that task will see its own role defaults before any other role's
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blocks = play1.compile()
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task = blocks[1].block[0]
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res = v.get_vars(play=play1, task=task)
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self.assertEqual(res['default_var'], 'default_var_from_defaults_only1')
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# next we assert the precedence of inventory variables
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v.set_inventory(inv1)
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h1 = inv1.get_host('host1')
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res = v.get_vars(play=play1, host=h1)
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self.assertEqual(res['group_var'], 'group_var_from_inventory_group1')
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self.assertEqual(res['host_var'], 'host_var_from_inventory_host1')
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# next we test with group_vars/ files loaded
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fake_loader.push("/etc/ansible/group_vars/all", """
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group_var_all: group_var_all_from_group_vars_all
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""")
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fake_loader.push("/etc/ansible/group_vars/group1", """
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group_var: group_var_from_group_vars_group1
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""")
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fake_loader.push("/etc/ansible/group_vars/group3", """
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# this is a dummy, which should not be used anywhere
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group_var: group_var_from_group_vars_group3
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""")
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fake_loader.push("/etc/ansible/host_vars/host1", """
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host_var: host_var_from_host_vars_host1
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""")
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fake_loader.push("group_vars/group1", """
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playbook_group_var: playbook_group_var
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""")
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fake_loader.push("host_vars/host1", """
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playbook_host_var: playbook_host_var
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""")
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res = v.get_vars(play=play1, host=h1)
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# self.assertEqual(res['group_var'], 'group_var_from_group_vars_group1')
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# self.assertEqual(res['group_var_all'], 'group_var_all_from_group_vars_all')
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# self.assertEqual(res['playbook_group_var'], 'playbook_group_var')
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# self.assertEqual(res['host_var'], 'host_var_from_host_vars_host1')
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# self.assertEqual(res['playbook_host_var'], 'playbook_host_var')
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# add in the fact cache
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v._fact_cache['host1'] = dict(fact_cache_var="fact_cache_var_from_fact_cache")
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res = v.get_vars(play=play1, host=h1)
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self.assertEqual(res['fact_cache_var'], 'fact_cache_var_from_fact_cache')
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@patch('ansible.playbook.role.definition.unfrackpath', mock_unfrackpath_noop)
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def test_variable_manager_role_vars_dependencies(self):
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'''
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Tests vars from role dependencies with duplicate dependencies.
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'''
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mock_inventory = MagicMock()
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fake_loader = DictDataLoader({
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# role common-role
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'/etc/ansible/roles/common-role/tasks/main.yml': """
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- debug: msg="{{role_var}}"
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""",
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# We do not need allow_duplicates: yes for this role
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# because eliminating duplicates is done by the execution
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# strategy, which we do not test here.
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# role role1
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'/etc/ansible/roles/role1/vars/main.yml': """
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role_var: "role_var_from_role1"
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""",
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'/etc/ansible/roles/role1/meta/main.yml': """
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dependencies:
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- { role: common-role }
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""",
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# role role2
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'/etc/ansible/roles/role2/vars/main.yml': """
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role_var: "role_var_from_role2"
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""",
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'/etc/ansible/roles/role2/meta/main.yml': """
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dependencies:
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- { role: common-role }
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""",
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})
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v = VariableManager(loader=fake_loader, inventory=mock_inventory)
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v._fact_cache = defaultdict(dict)
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play1 = Play.load(dict(
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hosts=['all'],
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roles=['role1', 'role2'],
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), loader=fake_loader, variable_manager=v)
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# The task defined by common-role exists twice because role1
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# and role2 depend on common-role. Check that the tasks see
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# different values of role_var.
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blocks = play1.compile()
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task = blocks[1].block[0]
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res = v.get_vars(play=play1, task=task)
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self.assertEqual(res['role_var'], 'role_var_from_role1')
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task = blocks[2].block[0]
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res = v.get_vars(play=play1, task=task)
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self.assertEqual(res['role_var'], 'role_var_from_role2')
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