Convergence: Allow creating stacks of empty templates
Change-Id: I25449a69a4565c2433832845b70cf32bc1cf53a9
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@ -991,6 +991,10 @@ class Stack(collections.Mapping):
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self.convergence_dependencies.graph().edges()]}
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self.convergence_dependencies.graph().edges()]}
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self.store()
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self.store()
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leaves = set(self.convergence_dependencies.leaves())
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if not any(leaves):
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self.mark_complete(self.current_traversal)
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else:
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for rsrc_id, is_update in self.convergence_dependencies.leaves():
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for rsrc_id, is_update in self.convergence_dependencies.leaves():
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LOG.info(_LI("Triggering resource %(rsrc_id)s "
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LOG.info(_LI("Triggering resource %(rsrc_id)s "
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"for %(is_update)s update"),
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"for %(is_update)s update"),
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@ -189,6 +189,16 @@ class StackConvergenceCreateUpdateDeleteTest(common.HeatTestCase):
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super(StackConvergenceCreateUpdateDeleteTest, self).setUp()
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super(StackConvergenceCreateUpdateDeleteTest, self).setUp()
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cfg.CONF.set_override('convergence_engine', True)
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cfg.CONF.set_override('convergence_engine', True)
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@mock.patch.object(parser.Stack, 'mark_complete')
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def test_converge_empty_template(self, mock_mc, mock_cr):
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empty_tmpl = templatem.Template.create_empty_template()
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stack = parser.Stack(utils.dummy_context(), 'empty_tmpl_stack',
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empty_tmpl, convergence=True)
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stack.store()
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stack.converge_stack(template=stack.t, action=stack.CREATE)
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self.assertFalse(mock_cr.called)
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mock_mc.assert_called_once_with(stack.current_traversal)
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def test_conv_wordpress_single_instance_stack_create(self, mock_cr):
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def test_conv_wordpress_single_instance_stack_create(self, mock_cr):
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stack = tools.get_stack('test_stack', utils.dummy_context(),
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stack = tools.get_stack('test_stack', utils.dummy_context(),
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convergence=True)
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convergence=True)
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