mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
31d5f88a1d
Due to the way we're now calculating delegate_to, if that value is based
on a loop variable ('item') we need to calculate all of the possible
delegated_to variables for that loop.
Fixes #12499
285 lines
11 KiB
Python
285 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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from collections import defaultdict
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from six import iteritems
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from ansible.compat.tests import unittest
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from ansible.compat.tests.mock import patch, MagicMock
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from ansible.inventory import Inventory
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from ansible.playbook.play import Play
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from ansible.vars import VariableManager
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from units.mock.loader import DictDataLoader
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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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v = VariableManager()
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vars = v.get_vars(loader=fake_loader, use_cache=False)
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if 'omit' in vars:
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del vars['omit']
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if 'vars' in vars:
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del vars['vars']
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if 'ansible_version' in vars:
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del vars['ansible_version']
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self.assertEqual(vars, dict(playbook_dir='.'))
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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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v = VariableManager()
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v.extra_vars = extra_vars
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vars = v.get_vars(loader=fake_loader, 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_host_vars_file(self):
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fake_loader = DictDataLoader({
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"host_vars/hostname1.yml": """
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foo: bar
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""",
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"other_path/host_vars/hostname1.yml": """
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foo: bam
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baa: bat
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""",
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"host_vars/host.name.yml": """
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host_with_dots: true
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""",
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})
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v = VariableManager()
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v.add_host_vars_file("host_vars/hostname1.yml", loader=fake_loader)
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v.add_host_vars_file("other_path/host_vars/hostname1.yml", loader=fake_loader)
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self.assertIn("hostname1", v._host_vars_files)
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self.assertEqual(v._host_vars_files["hostname1"], [dict(foo="bar"), dict(foo="bam", baa="bat")])
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mock_host = MagicMock()
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mock_host.get_name.return_value = "hostname1"
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mock_host.get_vars.return_value = dict()
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mock_host.get_groups.return_value = ()
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mock_host.get_group_vars.return_value = dict()
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self.assertEqual(v.get_vars(loader=fake_loader, host=mock_host, use_cache=False).get("foo"), "bam")
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self.assertEqual(v.get_vars(loader=fake_loader, host=mock_host, use_cache=False).get("baa"), "bat")
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v.add_host_vars_file("host_vars/host.name", loader=fake_loader)
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self.assertEqual(v._host_vars_files["host.name"], [dict(host_with_dots=True)])
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def test_variable_manager_group_vars_file(self):
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fake_loader = DictDataLoader({
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"group_vars/all.yml": """
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foo: bar
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""",
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"group_vars/somegroup.yml": """
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bam: baz
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""",
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"other_path/group_vars/somegroup.yml": """
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baa: bat
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""",
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"group_vars/some.group.yml": """
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group_with_dots: true
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""",
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})
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v = VariableManager()
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v.add_group_vars_file("group_vars/all.yml", loader=fake_loader)
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v.add_group_vars_file("group_vars/somegroup.yml", loader=fake_loader)
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v.add_group_vars_file("other_path/group_vars/somegroup.yml", loader=fake_loader)
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self.assertIn("somegroup", v._group_vars_files)
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self.assertEqual(v._group_vars_files["all"], [dict(foo="bar")])
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self.assertEqual(v._group_vars_files["somegroup"], [dict(bam="baz"), dict(baa="bat")])
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mock_group = MagicMock()
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mock_group.name = "somegroup"
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mock_group.get_ancestors.return_value = ()
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mock_group.get_vars.return_value = dict()
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mock_host = MagicMock()
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mock_host.get_name.return_value = "hostname1"
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mock_host.get_vars.return_value = dict()
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mock_host.get_groups.return_value = (mock_group,)
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mock_host.get_group_vars.return_value = dict()
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vars = v.get_vars(loader=fake_loader, host=mock_host, use_cache=False)
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self.assertEqual(vars.get("foo"), "bar")
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self.assertEqual(vars.get("baa"), "bat")
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v.add_group_vars_file("group_vars/some.group", loader=fake_loader)
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self.assertEqual(v._group_vars_files["some.group"], [dict(group_with_dots=True)])
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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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v = VariableManager()
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self.assertEqual(v.get_vars(loader=fake_loader, 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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"/path/to/somefile.yml": """
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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 = ['/path/to/somefile.yml']
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v = VariableManager()
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self.assertEqual(v.get_vars(loader=fake_loader, play=mock_play, use_cache=False).get("foo"), "bar")
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def test_variable_manager_task_vars(self):
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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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v = VariableManager()
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self.assertEqual(v.get_vars(loader=fake_loader, task=mock_task, use_cache=False).get("foo"), "bar")
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def test_variable_manager_precedence(self):
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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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v = VariableManager()
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v._fact_cache = defaultdict(dict)
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fake_loader = DictDataLoader({
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# inventory1
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'/etc/ansible/inventory1': """
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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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# 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 = Inventory(loader=fake_loader, variable_manager=v, host_list='/etc/ansible/inventory1')
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inv1.set_playbook_basedir('./')
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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(loader=fake_loader, 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(loader=fake_loader, 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 precendence 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(loader=fake_loader, 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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v.add_group_vars_file("/etc/ansible/group_vars/all", loader=fake_loader)
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v.add_group_vars_file("/etc/ansible/group_vars/group1", loader=fake_loader)
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v.add_group_vars_file("/etc/ansible/group_vars/group2", loader=fake_loader)
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v.add_host_vars_file("/etc/ansible/host_vars/host1", loader=fake_loader)
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res = v.get_vars(loader=fake_loader, 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['host_var'], 'host_var_from_host_vars_host1')
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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(loader=fake_loader, play=play1, host=h1)
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self.assertEqual(res['fact_cache_var'], 'fact_cache_var_from_fact_cache')
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