709 lines
26 KiB
Python
709 lines
26 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from heat.common import template_format
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from heat.common import exception
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from heat.common import identifier
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from heat.engine import parser
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from heat.engine import resource
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from heat.engine import hot
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from heat.engine import template
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from heat.engine import constraints
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from heat.tests.common import HeatTestCase
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from heat.tests import test_parser
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from heat.tests import utils
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from heat.tests import generic_resource as generic_rsrc
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hot_tpl_empty = template_format.parse('''
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heat_template_version: 2013-05-23
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''')
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hot_tpl_generic_resource = template_format.parse('''
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heat_template_version: 2013-05-23
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resources:
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resource1:
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type: GenericResourceType
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''')
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hot_tpl_complex_attrs = template_format.parse('''
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heat_template_version: 2013-05-23
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resources:
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resource1:
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type: ResourceWithComplexAttributesType
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''')
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class HOTemplateTest(HeatTestCase):
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"""Test processing of HOT templates."""
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def test_defaults(self):
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"""Test default content behavior of HOT template."""
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tmpl = parser.Template(hot_tpl_empty)
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# check if we get the right class
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self.assertIsInstance(tmpl, hot.HOTemplate)
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# test getting an invalid section
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self.assertNotIn('foobar', tmpl)
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# test defaults for valid sections
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self.assertEqual('2013-05-23', tmpl[tmpl.VERSION])
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self.assertEqual('No description', tmpl[tmpl.DESCRIPTION])
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self.assertEqual({}, tmpl[tmpl.RESOURCES])
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self.assertEqual({}, tmpl[tmpl.OUTPUTS])
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def test_translate_resources(self):
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"""Test translation of resources into internal engine format."""
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hot_tpl = template_format.parse('''
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heat_template_version: 2013-05-23
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resources:
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resource1:
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type: AWS::EC2::Instance
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properties:
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property1: value1
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''')
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expected = {'resource1': {'Type': 'AWS::EC2::Instance',
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'Properties': {'property1': 'value1'}}}
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tmpl = parser.Template(hot_tpl)
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self.assertEqual(expected, tmpl[tmpl.RESOURCES])
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def test_translate_outputs(self):
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"""Test translation of outputs into internal engine format."""
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hot_tpl = template_format.parse('''
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heat_template_version: 2013-05-23
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outputs:
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output1:
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description: output1
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value: value1
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''')
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expected = {'output1': {'Description': 'output1', 'Value': 'value1'}}
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tmpl = parser.Template(hot_tpl)
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self.assertEqual(expected, tmpl[tmpl.OUTPUTS])
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def test_param_refs(self):
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"""Test if parameter references work."""
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params = {'foo': 'bar', 'blarg': 'wibble'}
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snippet = {'properties': {'key1': {'get_param': 'foo'},
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'key2': {'get_param': 'blarg'}}}
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snippet_resolved = {'properties': {'key1': 'bar',
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'key2': 'wibble'}}
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tmpl = parser.Template(hot_tpl_empty)
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self.assertEqual(snippet_resolved,
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tmpl.resolve_param_refs(snippet, params))
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snippet = {'properties': {'key1': {'Ref': 'foo'},
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'key2': {'Ref': 'blarg'}}}
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snippet_resolved = {'properties': {'key1': 'bar',
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'key2': 'wibble'}}
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tmpl = parser.Template(hot_tpl_empty)
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self.assertEqual(snippet_resolved,
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tmpl.resolve_param_refs(snippet, params))
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def test_str_replace(self):
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"""Test str_replace function."""
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snippet = {'str_replace': {'template': 'Template var1 string var2',
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'params': {'var1': 'foo', 'var2': 'bar'}}}
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snippet_resolved = 'Template foo string bar'
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tmpl = parser.Template(hot_tpl_empty)
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self.assertEqual(snippet_resolved,
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tmpl.resolve_replace(snippet))
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def test_str_replace_number(self):
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"""Test str_replace function with numbers."""
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snippet = {'str_replace': {'template': 'Template number string bar',
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'params': {'number': 1}}}
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snippet_resolved = 'Template 1 string bar'
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tmpl = parser.Template(hot_tpl_empty)
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self.assertEqual(snippet_resolved,
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tmpl.resolve_replace(snippet))
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def test_str_fn_replace(self):
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"""Test Fn:Replace function."""
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snippet = {'Fn::Replace': [{'$var1': 'foo', '$var2': 'bar'},
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'Template $var1 string $var2']}
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snippet_resolved = 'Template foo string bar'
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tmpl = parser.Template(hot_tpl_empty)
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self.assertEqual(snippet_resolved, tmpl.resolve_replace(snippet))
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def test_str_replace_syntax(self):
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"""
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Test str_replace function syntax.
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Pass wrong syntax (array instead of dictionary) to function and
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validate that we get a TypeError.
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"""
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snippet = {'str_replace': [{'template': 'Template var1 string var2'},
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{'params': {'var1': 'foo', 'var2': 'bar'}}]}
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tmpl = parser.Template(hot_tpl_empty)
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self.assertRaises(TypeError, tmpl.resolve_replace, snippet)
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def test_str_replace_invalid_param_keys(self):
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"""
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Test str_replace function parameter keys.
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Pass wrong parameters to function and verify that we get
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a KeyError.
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"""
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snippet = {'str_replace': {'tmpl': 'Template var1 string var2',
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'params': {'var1': 'foo', 'var2': 'bar'}}}
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tmpl = parser.Template(hot_tpl_empty)
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self.assertRaises(KeyError, tmpl.resolve_replace, snippet)
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snippet = {'str_replace': {'tmpl': 'Template var1 string var2',
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'parms': {'var1': 'foo', 'var2': 'bar'}}}
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self.assertRaises(KeyError, tmpl.resolve_replace, snippet)
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def test_str_replace_invalid_param_types(self):
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"""
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Test str_replace function parameter values.
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Pass parameter values of wrong type to function and verify that we get
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a TypeError.
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"""
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snippet = {'str_replace': {'template': 12345,
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'params': {'var1': 'foo', 'var2': 'bar'}}}
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tmpl = parser.Template(hot_tpl_empty)
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self.assertRaises(TypeError, tmpl.resolve_replace, snippet)
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snippet = {'str_replace': {'template': 'Template var1 string var2',
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'params': ['var1', 'foo', 'var2', 'bar']}}
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self.assertRaises(TypeError, tmpl.resolve_replace, snippet)
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def test_get_file(self):
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"""Test get_file function."""
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snippet = {'get_file': 'file:///tmp/foo.yaml'}
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snippet_resolved = 'foo contents'
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tmpl = parser.Template(hot_tpl_empty, files={
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'file:///tmp/foo.yaml': 'foo contents'
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})
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self.assertEqual(snippet_resolved, tmpl.resolve_get_file(snippet))
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def test_get_file_not_string(self):
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"""Test get_file function with non-string argument."""
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snippet = {'get_file': ['file:///tmp/foo.yaml']}
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tmpl = parser.Template(hot_tpl_empty)
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notStrErr = self.assertRaises(
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TypeError, tmpl.resolve_get_file, snippet)
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self.assertEqual(
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'Argument to "get_file" must be a string',
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str(notStrErr))
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def test_get_file_missing_files(self):
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"""Test get_file function with no matching key in files section."""
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snippet = {'get_file': 'file:///tmp/foo.yaml'}
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tmpl = parser.Template(hot_tpl_empty, files={
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'file:///tmp/bar.yaml': 'bar contents'
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})
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missingErr = self.assertRaises(
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ValueError, tmpl.resolve_get_file, snippet)
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self.assertEqual(
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('No content found in the "files" section for '
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'get_file path: file:///tmp/foo.yaml'),
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str(missingErr))
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def test_get_file_nested_does_not_resolve(self):
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"""Test get_file function does not resolve nested calls."""
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snippet = {'get_file': 'file:///tmp/foo.yaml'}
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snippet_resolved = '{get_file: file:///tmp/bar.yaml}'
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tmpl = parser.Template(hot_tpl_empty, files={
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'file:///tmp/foo.yaml': snippet_resolved,
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'file:///tmp/bar.yaml': 'bar content',
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})
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self.assertEqual(snippet_resolved, tmpl.resolve_get_file(snippet))
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def test_prevent_parameters_access(self):
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"""
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Test that the parameters section can't be accesed using the template
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as a dictionary.
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"""
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expected_description = "This can be accessed"
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hot_tpl = template_format.parse('''
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heat_template_version: 2013-05-23
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description: {0}
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parameters:
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foo:
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type: string
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'''.format(expected_description))
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tmpl = parser.Template(hot_tpl)
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self.assertEqual(expected_description, tmpl['description'])
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err_str = "can not be accessed directly"
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#Hot template test
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keyError = self.assertRaises(KeyError, tmpl.__getitem__, 'parameters')
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self.assertIn(err_str, str(keyError))
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#CFN template test
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keyError = self.assertRaises(KeyError, tmpl.__getitem__, 'Parameters')
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self.assertIn(err_str, str(keyError))
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def test_parameters_section_not_iterable(self):
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"""
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Test that the parameters section is not returned when the template is
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used as an iterable.
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"""
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expected_description = "This can be accessed"
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tmpl = parser.Template({'heat_template_version': '2013-05-23',
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'description': expected_description,
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'parameters':
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{'foo': {'Type': 'String', 'Required': True}}})
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self.assertEqual(expected_description, tmpl['description'])
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self.assertNotIn('parameters', tmpl.keys())
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class StackTest(test_parser.StackTest):
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"""Test stack function when stack was created from HOT template."""
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@utils.stack_delete_after
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def test_get_attr_multiple_rsrc_status(self):
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"""Test resolution of get_attr occurrences in HOT template."""
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hot_tpl = hot_tpl_generic_resource
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self.stack = parser.Stack(self.ctx, 'test_get_attr',
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template.Template(hot_tpl))
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self.stack.store()
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self.stack.create()
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self.assertEqual((parser.Stack.CREATE, parser.Stack.COMPLETE),
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self.stack.state)
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snippet = {'Value': {'get_attr': ['resource1', 'foo']}}
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rsrc = self.stack['resource1']
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for action, status in (
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(rsrc.CREATE, rsrc.IN_PROGRESS),
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(rsrc.CREATE, rsrc.COMPLETE),
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(rsrc.RESUME, rsrc.IN_PROGRESS),
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(rsrc.RESUME, rsrc.COMPLETE),
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(rsrc.UPDATE, rsrc.IN_PROGRESS),
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(rsrc.UPDATE, rsrc.COMPLETE)):
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rsrc.state_set(action, status)
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resolved = hot.HOTemplate.resolve_attributes(snippet, self.stack)
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# GenericResourceType has an attribute 'foo' which yields the
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# resource name.
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self.assertEqual({'Value': 'resource1'}, resolved)
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@utils.stack_delete_after
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def test_get_attr_invalid(self):
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"""Test resolution of get_attr occurrences in HOT template."""
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hot_tpl = hot_tpl_generic_resource
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self.stack = parser.Stack(self.ctx, 'test_get_attr',
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template.Template(hot_tpl))
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self.stack.store()
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self.stack.create()
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self.assertEqual((parser.Stack.CREATE, parser.Stack.COMPLETE),
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self.stack.state)
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self.assertRaises(exception.InvalidTemplateAttribute,
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hot.HOTemplate.resolve_attributes,
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{'Value': {'get_attr': ['resource1', 'NotThere']}},
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self.stack)
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@utils.stack_delete_after
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def test_get_attr_invalid_resource(self):
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"""Test resolution of get_attr occurrences in HOT template."""
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hot_tpl = hot_tpl_complex_attrs
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self.stack = parser.Stack(self.ctx,
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'test_get_attr_invalid_none',
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template.Template(hot_tpl))
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self.stack.store()
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self.stack.create()
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self.assertEqual((parser.Stack.CREATE, parser.Stack.COMPLETE),
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self.stack.state)
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snippet = {'Value': {'get_attr': ['resource2', 'who_cares']}}
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resolved = hot.HOTemplate.resolve_attributes(snippet, self.stack)
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self.assertEqual(snippet, resolved)
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@utils.stack_delete_after
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def test_get_resource(self):
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"""Test resolution of get_resource occurrences in HOT template."""
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hot_tpl = hot_tpl_generic_resource
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self.stack = parser.Stack(self.ctx, 'test_get_resource',
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template.Template(hot_tpl))
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self.stack.store()
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self.stack.create()
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self.assertEqual((parser.Stack.CREATE, parser.Stack.COMPLETE),
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self.stack.state)
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snippet = {'value': {'get_resource': 'resource1'}}
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resolved = hot.HOTemplate.resolve_resource_refs(snippet, self.stack)
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self.assertEqual({'value': 'resource1'}, resolved)
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@utils.stack_delete_after
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def test_set_param_id(self):
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tmpl = parser.Template(hot_tpl_empty)
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self.stack = parser.Stack(self.ctx, 'param_id_test', tmpl)
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self.assertEqual(self.stack.parameters['OS::stack_id'], 'None')
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self.stack.store()
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stack_identifier = self.stack.identifier()
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self.assertEqual(self.stack.parameters['OS::stack_id'], self.stack.id)
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self.assertEqual(self.stack.parameters['OS::stack_id'],
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stack_identifier.stack_id)
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_set_param_id_update(self):
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tmpl = template.Template(
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{'heat_template_version': '2013-05-23',
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'resources': {'AResource': {'type': 'ResourceWithPropsType',
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'Metadata': {'Bar': {'get_param': 'OS::stack_id'}},
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'properties': {'Foo': 'abc'}}}})
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self.stack = parser.Stack(self.ctx, 'update_stack_id_test', tmpl)
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self.stack.store()
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self.stack.create()
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self.assertEqual(self.stack.state,
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(parser.Stack.CREATE, parser.Stack.COMPLETE))
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stack_id = self.stack.parameters['OS::stack_id']
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tmpl2 = template.Template(
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{'heat_template_version': '2013-05-23',
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'resources': {'AResource': {'type': 'ResourceWithPropsType',
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'Metadata': {'Bar': {'get_param': 'OS::stack_id'}},
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'properties': {'Foo': 'xyz'}}}})
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updated_stack = parser.Stack(self.ctx, 'updated_stack', tmpl2)
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self.stack.update(updated_stack)
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self.assertEqual(self.stack.state,
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(parser.Stack.UPDATE, parser.Stack.COMPLETE))
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self.assertEqual(self.stack['AResource'].properties['Foo'], 'xyz')
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self.assertEqual(self.stack['AResource'].metadata['Bar'], stack_id)
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@utils.stack_delete_after
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def test_load_param_id(self):
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tmpl = parser.Template(hot_tpl_empty)
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self.stack = parser.Stack(self.ctx, 'param_load_id_test', tmpl)
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self.stack.store()
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stack_identifier = self.stack.identifier()
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self.assertEqual(self.stack.parameters['OS::stack_id'],
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stack_identifier.stack_id)
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newstack = parser.Stack.load(self.ctx, stack_id=self.stack.id)
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self.assertEqual(newstack.parameters['OS::stack_id'],
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stack_identifier.stack_id)
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class StackAttributesTest(HeatTestCase):
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"""
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Test stack get_attr function when stack was created from HOT template.
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"""
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def setUp(self):
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super(StackAttributesTest, self).setUp()
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utils.setup_dummy_db()
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self.ctx = utils.dummy_context()
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resource._register_class('GenericResourceType',
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generic_rsrc.GenericResource)
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resource._register_class('ResourceWithComplexAttributesType',
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generic_rsrc.ResourceWithComplexAttributes)
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self.m.ReplayAll()
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scenarios = [
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('get_flat_attr',
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dict(hot_tpl=hot_tpl_generic_resource,
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snippet={'Value': {'get_attr': ['resource1', 'foo']}},
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resource_name='resource1',
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expected={'Value': 'resource1'})),
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('get_list_attr',
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dict(hot_tpl=hot_tpl_complex_attrs,
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snippet={'Value': {'get_attr': ['resource1', 'list', 0]}},
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resource_name='resource1',
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expected={
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'Value':
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generic_rsrc.ResourceWithComplexAttributes.list[0]})),
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('get_flat_dict_attr',
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dict(hot_tpl=hot_tpl_complex_attrs,
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snippet={'Value': {'get_attr': ['resource1',
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'flat_dict',
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'key2']}},
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resource_name='resource1',
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expected={
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'Value':
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generic_rsrc.ResourceWithComplexAttributes.
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flat_dict['key2']})),
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('get_nested_attr_list',
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dict(hot_tpl=hot_tpl_complex_attrs,
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snippet={'Value': {'get_attr': ['resource1',
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'nested_dict',
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'list',
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0]}},
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resource_name='resource1',
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expected={
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'Value':
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generic_rsrc.ResourceWithComplexAttributes.
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nested_dict['list'][0]})),
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('get_nested_attr_dict',
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dict(hot_tpl=hot_tpl_complex_attrs,
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snippet={'Value': {'get_attr': ['resource1',
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'nested_dict',
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'dict',
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'a']}},
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resource_name='resource1',
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expected={
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'Value':
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generic_rsrc.ResourceWithComplexAttributes.
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nested_dict['dict']['a']})),
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('get_simple_object',
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dict(hot_tpl=hot_tpl_complex_attrs,
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|
snippet={'Value': {'get_attr': ['resource1',
|
|
'simple_object',
|
|
'first']}},
|
|
resource_name='resource1',
|
|
expected={
|
|
'Value':
|
|
generic_rsrc.ResourceWithComplexAttributes.
|
|
simple_object.first})),
|
|
('get_complex_object',
|
|
dict(hot_tpl=hot_tpl_complex_attrs,
|
|
snippet={'Value': {'get_attr': ['resource1',
|
|
'complex_object',
|
|
'second',
|
|
'key1']}},
|
|
resource_name='resource1',
|
|
expected={
|
|
'Value':
|
|
generic_rsrc.ResourceWithComplexAttributes.
|
|
complex_object.second['key1']})),
|
|
('get_complex_object_invalid_argument',
|
|
dict(hot_tpl=hot_tpl_complex_attrs,
|
|
snippet={'Value': {'get_attr': ['resource1',
|
|
'complex_object',
|
|
'not_there']}},
|
|
resource_name='resource1',
|
|
expected={'Value': ''})),
|
|
('get_attr_none',
|
|
dict(hot_tpl=hot_tpl_complex_attrs,
|
|
snippet={'Value': {'get_attr': ['resource1',
|
|
'none',
|
|
'who_cares']}},
|
|
resource_name='resource1',
|
|
expected={'Value': ''}))
|
|
]
|
|
|
|
@utils.stack_delete_after
|
|
def test_get_attr(self):
|
|
"""Test resolution of get_attr occurrences in HOT template."""
|
|
|
|
self.stack = parser.Stack(self.ctx, 'test_get_attr',
|
|
template.Template(self.hot_tpl))
|
|
self.stack.store()
|
|
self.stack.create()
|
|
self.assertEqual((parser.Stack.CREATE, parser.Stack.COMPLETE),
|
|
self.stack.state)
|
|
|
|
rsrc = self.stack[self.resource_name]
|
|
for action, status in (
|
|
(rsrc.CREATE, rsrc.IN_PROGRESS),
|
|
(rsrc.CREATE, rsrc.COMPLETE),
|
|
(rsrc.RESUME, rsrc.IN_PROGRESS),
|
|
(rsrc.RESUME, rsrc.COMPLETE),
|
|
(rsrc.UPDATE, rsrc.IN_PROGRESS),
|
|
(rsrc.UPDATE, rsrc.COMPLETE)):
|
|
rsrc.state_set(action, status)
|
|
|
|
resolved = hot.HOTemplate.resolve_attributes(self.snippet,
|
|
self.stack)
|
|
self.assertEqual(self.expected, resolved)
|
|
|
|
|
|
class HOTParamValidatorTest(HeatTestCase):
|
|
"""Test HOTParamValidator"""
|
|
|
|
def test_multiple_constraint_descriptions(self):
|
|
len_desc = 'string length should be between 8 and 16'
|
|
pattern_desc1 = 'Value must consist of characters only'
|
|
pattern_desc2 = 'Value must start with a lowercase character'
|
|
param = {
|
|
'db_name': {
|
|
'description': 'The WordPress database name',
|
|
'type': 'string',
|
|
'default': 'wordpress',
|
|
'constraints': [
|
|
{'length': {'min': 6, 'max': 16},
|
|
'description': len_desc},
|
|
{'allowed_pattern': '[a-zA-Z]+',
|
|
'description': pattern_desc1},
|
|
{'allowed_pattern': '[a-z]+[a-zA-Z]*',
|
|
'description': pattern_desc2}]}}
|
|
|
|
name = 'db_name'
|
|
schema = param['db_name']
|
|
|
|
def v(value):
|
|
hot.HOTParamSchema.from_dict(schema).validate(name, value)
|
|
return True
|
|
|
|
value = 'wp'
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(len_desc, str(err))
|
|
|
|
value = 'abcdefghijklmnopq'
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(len_desc, str(err))
|
|
|
|
value = 'abcdefgh1'
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(pattern_desc1, str(err))
|
|
|
|
value = 'Abcdefghi'
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(pattern_desc2, str(err))
|
|
|
|
value = 'abcdefghi'
|
|
self.assertTrue(v(value))
|
|
|
|
value = 'abcdefghI'
|
|
self.assertTrue(v(value))
|
|
|
|
def test_hot_template_validate_param(self):
|
|
len_desc = 'string length should be between 8 and 16'
|
|
pattern_desc1 = 'Value must consist of characters only'
|
|
pattern_desc2 = 'Value must start with a lowercase character'
|
|
hot_tpl = template_format.parse('''
|
|
heat_template_version: 2013-05-23
|
|
parameters:
|
|
db_name:
|
|
description: The WordPress database name
|
|
type: string
|
|
default: wordpress
|
|
constraints:
|
|
- length: { min: 8, max: 16 }
|
|
description: %s
|
|
- allowed_pattern: "[a-zA-Z]+"
|
|
description: %s
|
|
- allowed_pattern: "[a-z]+[a-zA-Z]*"
|
|
description: %s
|
|
''' % (len_desc, pattern_desc1, pattern_desc2))
|
|
tmpl = parser.Template(hot_tpl)
|
|
|
|
def run_parameters(value):
|
|
tmpl.parameters(
|
|
identifier.HeatIdentifier('', "stack_testit", None),
|
|
{'db_name': value})
|
|
return True
|
|
|
|
value = 'wp'
|
|
err = self.assertRaises(ValueError, run_parameters, value)
|
|
self.assertIn(len_desc, str(err))
|
|
|
|
value = 'abcdefghijklmnopq'
|
|
err = self.assertRaises(ValueError, run_parameters, value)
|
|
self.assertIn(len_desc, str(err))
|
|
|
|
value = 'abcdefgh1'
|
|
err = self.assertRaises(ValueError, run_parameters, value)
|
|
self.assertIn(pattern_desc1, str(err))
|
|
|
|
value = 'Abcdefghi'
|
|
err = self.assertRaises(ValueError, run_parameters, value)
|
|
self.assertIn(pattern_desc2, str(err))
|
|
|
|
value = 'abcdefghi'
|
|
self.assertTrue(run_parameters(value))
|
|
|
|
value = 'abcdefghI'
|
|
self.assertTrue(run_parameters(value))
|
|
|
|
def test_range_constraint(self):
|
|
range_desc = 'Value must be between 30000 and 50000'
|
|
param = {
|
|
'db_port': {
|
|
'description': 'The database port',
|
|
'type': 'number',
|
|
'default': 31000,
|
|
'constraints': [
|
|
{'range': {'min': 30000, 'max': 50000},
|
|
'description': range_desc}]}}
|
|
|
|
name = 'db_port'
|
|
schema = param['db_port']
|
|
|
|
def v(value):
|
|
hot.HOTParamSchema.from_dict(schema).validate(name, value)
|
|
return True
|
|
|
|
value = 29999
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(range_desc, str(err))
|
|
|
|
value = 50001
|
|
err = self.assertRaises(ValueError, v, value)
|
|
self.assertIn(range_desc, str(err))
|
|
|
|
value = 30000
|
|
self.assertTrue(v(value))
|
|
|
|
value = 40000
|
|
self.assertTrue(v(value))
|
|
|
|
value = 50000
|
|
self.assertTrue(v(value))
|
|
|
|
def test_range_constraint_invalid_default(self):
|
|
range_desc = 'Value must be between 30000 and 50000'
|
|
param = {
|
|
'db_port': {
|
|
'description': 'The database port',
|
|
'type': 'number',
|
|
'default': 15,
|
|
'constraints': [
|
|
{'range': {'min': 30000, 'max': 50000},
|
|
'description': range_desc}]}}
|
|
|
|
schema = param['db_port']
|
|
|
|
err = self.assertRaises(constraints.InvalidSchemaError,
|
|
hot.HOTParamSchema.from_dict, schema)
|
|
self.assertIn(range_desc, str(err))
|