Python VariableManager.add_group_vars_file方法代码示例

# 需要导入模块: from ansible.vars import VariableManager [as 别名]
# 或者: from ansible.vars.VariableManager import add_group_vars_file [as 别名]
    def test_variable_manager_group_vars_file(self):
        fake_loader = DictDataLoader(
            {
                "group_vars/all.yml": """
               foo: bar
            """,
                "group_vars/somegroup.yml": """
               bam: baz
            """,
            }
        )

        v = VariableManager()
        v.add_group_vars_file("group_vars/all.yml", loader=fake_loader)
        v.add_group_vars_file("group_vars/somegroup.yml", loader=fake_loader)
        self.assertIn("somegroup", v._group_vars_files)
        self.assertEqual(v._group_vars_files["all"], dict(foo="bar"))
        self.assertEqual(v._group_vars_files["somegroup"], dict(bam="baz"))

        mock_group = MagicMock()
        mock_group.name = "somegroup"
        mock_group.get_ancestors.return_value = ()
        mock_group.get_vars.return_value = dict()

        mock_host = MagicMock()
        mock_host.get_name.return_value = "hostname1"
        mock_host.get_vars.return_value = dict()
        mock_host.get_groups.return_value = (mock_group,)

        vars = v.get_vars(loader=fake_loader, host=mock_host, use_cache=False)
        self.assertEqual(vars.get("foo"), "bar")
        self.assertEqual(vars.get("bam"), "baz")

# 需要导入模块: from ansible.vars import VariableManager [as 别名]
# 或者: from ansible.vars.VariableManager import add_group_vars_file [as 别名]
    def test_manager_group_vars_file(self):
        fake_loader = DictDataLoader({
            "group_vars/somegroup.yml": """
               foo: bar
            """
        })

        v = VariableManager(loader=fake_loader)
        v.add_group_vars_file("group_vars/somegroup.yml")
        self.assertIn("somegroup", v._group_vars_files)
        self.assertEqual(v._group_vars_files["somegroup"], dict(foo="bar"))

        mock_host = MagicMock()
        mock_host.get_name.return_value = "hostname1"
        mock_host.get_vars.return_value = dict()
        mock_host.get_groups.return_value = ["somegroup"]

        self.assertEqual(v.get_vars(host=mock_host), dict(foo="bar"))

# 需要导入模块: from ansible.vars import VariableManager [as 别名]
# 或者: from ansible.vars.VariableManager import add_group_vars_file [as 别名]
    def test_variable_manager_precedence(self, mock_basedir):
        '''
        Tests complex variations and combinations of get_vars() with different
        objects to modify the context under which variables are merged.
        '''

        v = VariableManager()
        v._fact_cache = defaultdict(dict)

        fake_loader = DictDataLoader({
            # inventory1
            '/etc/ansible/inventory1': """
            [group2:children]
            group1

            [group1]
            host1 host_var=host_var_from_inventory_host1

            [group1:vars]
            group_var = group_var_from_inventory_group1

            [group2:vars]
            group_var = group_var_from_inventory_group2
            """,

            # role defaults_only1
            '/etc/ansible/roles/defaults_only1/defaults/main.yml': """
            default_var: "default_var_from_defaults_only1"
            host_var: "host_var_from_defaults_only1"
            group_var: "group_var_from_defaults_only1"
            group_var_all: "group_var_all_from_defaults_only1"
            extra_var: "extra_var_from_defaults_only1"
            """,
            '/etc/ansible/roles/defaults_only1/tasks/main.yml': """
            - debug: msg="here i am"
            """,

            # role defaults_only2
            '/etc/ansible/roles/defaults_only2/defaults/main.yml': """
            default_var: "default_var_from_defaults_only2"
            host_var: "host_var_from_defaults_only2"
            group_var: "group_var_from_defaults_only2"
            group_var_all: "group_var_all_from_defaults_only2"
            extra_var: "extra_var_from_defaults_only2"
            """,
        })

        mock_basedir.return_value = './'
        inv1 = Inventory(loader=fake_loader, variable_manager=v, host_list='/etc/ansible/inventory1')
        inv1.set_playbook_basedir('./')

        play1 = Play.load(dict(
           hosts=['all'],
           roles=['defaults_only1', 'defaults_only2'],
        ), loader=fake_loader, variable_manager=v)

        # first we assert that the defaults as viewed as a whole are the merged results
        # of the defaults from each role, with the last role defined "winning" when
        # there is a variable naming conflict
        res = v.get_vars(loader=fake_loader, play=play1)
        self.assertEqual(res['default_var'], 'default_var_from_defaults_only2')

        # next, we assert that when vars are viewed from the context of a task within a
        # role, that task will see its own role defaults before any other role's
        blocks = play1.compile()
        task = blocks[1].block[0]
        res = v.get_vars(loader=fake_loader, play=play1, task=task)
        self.assertEqual(res['default_var'], 'default_var_from_defaults_only1')

        # next we assert the precendence of inventory variables
        v.set_inventory(inv1)
        h1 = inv1.get_host('host1')

        res = v.get_vars(loader=fake_loader, play=play1, host=h1)
        self.assertEqual(res['group_var'], 'group_var_from_inventory_group1')
        self.assertEqual(res['host_var'], 'host_var_from_inventory_host1')

        # next we test with group_vars/ files loaded
        fake_loader.push("/etc/ansible/group_vars/all", """
        group_var_all: group_var_all_from_group_vars_all
        """)
        fake_loader.push("/etc/ansible/group_vars/group1", """
        group_var: group_var_from_group_vars_group1
        """)
        fake_loader.push("/etc/ansible/group_vars/group3", """
        # this is a dummy, which should not be used anywhere
        group_var: group_var_from_group_vars_group3
        """)
        fake_loader.push("/etc/ansible/host_vars/host1", """
        host_var: host_var_from_host_vars_host1
        """)
        fake_loader.push("group_vars/group1", """
        playbook_group_var: playbook_group_var
        """)
        fake_loader.push("host_vars/host1", """
        playbook_host_var: playbook_host_var
        """)

        v.add_group_vars_file("/etc/ansible/group_vars/all", loader=fake_loader)
        v.add_group_vars_file("/etc/ansible/group_vars/group1", loader=fake_loader)
#.........这里部分代码省略.........