c4e60a550a
TOSCA version naming has been changed and per the latest specs the correct current version is tosca_simple_yaml_1_0_0. Change-Id: I8a7ddf70f6e74fac1134a0674e44c498f661d51e Closes-Bug: #1339154
299 lines
13 KiB
Python
299 lines
13 KiB
Python
# 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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import os
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from translator.toscalib.elements.nodetype import NodeType
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from translator.toscalib.functions import GetInput
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from translator.toscalib.functions import GetProperty
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from translator.toscalib.nodetemplate import NodeTemplate
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from translator.toscalib.tests.base import TestCase
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from translator.toscalib.tosca_template import ToscaTemplate
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import translator.toscalib.utils.yamlparser
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class ToscaTemplateTest(TestCase):
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'''TOSCA template.'''
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tosca_tpl = os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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"data/tosca_single_instance_wordpress.yaml")
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tosca = ToscaTemplate(tosca_tpl)
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tosca_elk_tpl = os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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"data/tosca_elk.yaml")
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def test_version(self):
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self.assertEqual(self.tosca.version, "tosca_simple_yaml_1_0_0")
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def test_description(self):
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expected_description = "TOSCA simple profile with wordpress, " \
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"web server and mysql on the same server."
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self.assertEqual(self.tosca.description, expected_description)
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def test_inputs(self):
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self.assertEqual(
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['cpus', 'db_name', 'db_port',
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'db_pwd', 'db_root_pwd', 'db_user'],
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sorted([input.name for input in self.tosca.inputs]))
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input_name = "db_port"
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expected_description = "Port for the MySQL database."
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for input in self.tosca.inputs:
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if input.name == input_name:
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self.assertEqual(input.description, expected_description)
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def test_node_tpls(self):
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'''Test nodetemplate names.'''
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self.assertEqual(
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['mysql_database', 'mysql_dbms', 'server',
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'webserver', 'wordpress'],
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sorted([tpl.name for tpl in self.tosca.nodetemplates]))
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tpl_name = "mysql_database"
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expected_type = "tosca.nodes.Database"
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expected_properties = ['db_name', 'db_password', 'db_user']
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expected_capabilities = ['database_endpoint']
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expected_requirements = [{'host': 'mysql_dbms'}]
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expected_relationshp = ['tosca.relationships.HostedOn']
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expected_host = ['mysql_dbms']
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expected_interface = ['tosca.interfaces.node.Lifecycle']
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for tpl in self.tosca.nodetemplates:
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if tpl_name == tpl.name:
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'''Test node type.'''
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self.assertEqual(tpl.type, expected_type)
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'''Test properties.'''
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self.assertEqual(
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expected_properties,
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sorted([p.name for p in tpl.properties]))
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'''Test capabilities.'''
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self.assertEqual(
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expected_capabilities,
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sorted([p.name for p in tpl.capabilities]))
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'''Test requirements.'''
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self.assertEqual(
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expected_requirements, tpl.requirements)
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'''Test relationship.'''
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self.assertEqual(
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expected_relationshp,
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[x.type for x in tpl.relationships.keys()])
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self.assertEqual(
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expected_host,
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[y.name for y in tpl.relationships.values()])
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'''Test interfaces.'''
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self.assertEqual(
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expected_interface,
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[x.type for x in tpl.interfaces])
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'''Test property value'''
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if tpl.name == 'server':
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for property in tpl.properties:
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if property.name == 'os_type':
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self.assertEqual(property.value, 'Linux')
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def test_outputs(self):
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self.assertEqual(
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['website_url'],
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sorted([output.name for output in self.tosca.outputs]))
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def test_interfaces(self):
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wordpress_node = [
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node for node in self.tosca.nodetemplates
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if node.name == 'wordpress'][0]
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interfaces = wordpress_node.interfaces
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self.assertEqual(2, len(interfaces))
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for interface in interfaces:
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if interface.name == 'create':
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self.assertEqual('tosca.interfaces.node.Lifecycle',
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interface.type)
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self.assertEqual('wordpress_install.sh',
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interface.implementation)
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self.assertIsNone(interface.inputs)
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elif interface.name == 'configure':
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self.assertEqual('tosca.interfaces.node.Lifecycle',
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interface.type)
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self.assertEqual('wordpress_configure.sh',
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interface.implementation)
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self.assertEqual(4, len(interface.inputs))
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wp_db_port = interface.inputs['wp_db_port']
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self.assertTrue(isinstance(wp_db_port, GetProperty))
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self.assertEqual('get_property', wp_db_port.name)
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self.assertEqual(['SELF',
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'database_endpoint',
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'port'],
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wp_db_port.args)
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result = wp_db_port.result()
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self.assertTrue(isinstance(result, GetInput))
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else:
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raise AssertionError(
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'Unexpected interface: {0}'.format(interface.name))
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def test_normative_type_by_short_name(self):
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#test template with a short name Compute
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template = os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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"data/test_tosca_normative_type_by_shortname.yaml")
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tosca_tpl = ToscaTemplate(template)
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expected_type = "tosca.nodes.Compute"
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for tpl in tosca_tpl.nodetemplates:
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self.assertEqual(tpl.type, expected_type)
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for tpl in tosca_tpl.nodetemplates:
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compute_type = NodeType(tpl.type)
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self.assertEqual(
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['tosca.capabilities.Container'],
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[c.type for c in compute_type.capabilities])
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def test_template_with_no_inputs(self):
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tosca_tpl = self._load_template('test_no_inputs_in_template.yaml')
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self.assertEqual(0, len(tosca_tpl.inputs))
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def test_template_with_no_outputs(self):
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tosca_tpl = self._load_template('test_no_outputs_in_template.yaml')
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self.assertEqual(0, len(tosca_tpl.outputs))
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def test_relationship_interface(self):
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template = ToscaTemplate(self.tosca_elk_tpl)
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for node_tpl in template.nodetemplates:
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if node_tpl.name == 'nodejs':
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config_interface = 'tosca.interfaces.relationship.Configure'
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relation = node_tpl.relationships
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for key in relation.keys():
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rel_tpl = relation.get(key).get_relationship_template()
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interfaces = rel_tpl[0].interfaces
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for interface in interfaces:
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self.assertEqual(config_interface,
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interface.type)
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self.assertEqual('pre_configure_source',
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interface.name)
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self.assertEqual('nodejs/pre_configure_source.sh',
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interface.implementation)
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def test_template_macro(self):
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template = ToscaTemplate(self.tosca_elk_tpl)
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for node_tpl in template.nodetemplates:
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if node_tpl.name == 'mongo_server':
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self.assertEqual(
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['disk_size', 'mem_size', 'num_cpus', 'os_arch',
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'os_distribution', 'os_type', 'os_version'],
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sorted([p.name for p in node_tpl.properties]))
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def test_template_requirements(self):
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"""Test different formats of requirements
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The requirements can be defined in few different ways,
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1. Requirement expressed as a capability with an implicit relationship.
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2. Requirement expressed with explicit relationship.
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3. Requirement expressed with a relationship template.
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4. Requirement expressed via TOSCA types to provision a node
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with explicit relationship.
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5. Requirement expressed via TOSCA types with a filter.
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"""
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tosca_tpl = os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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"data/test_requirements.yaml")
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tosca = ToscaTemplate(tosca_tpl)
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for node_tpl in tosca.nodetemplates:
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if node_tpl.name == 'my_app':
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expected_relationship = [
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('tosca.relationships.ConnectsTo', 'mysql_database'),
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('tosca.relationships.HostedOn', 'my_webserver')]
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actual_relationship = sorted([
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(relation.type, node.name) for
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relation, node in node_tpl.relationships.items()])
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self.assertEqual(expected_relationship, actual_relationship)
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if node_tpl.name == 'mysql_database':
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self.assertEqual(
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[('tosca.relationships.HostedOn', 'my_dbms')],
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[(relation.type, node.name) for
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relation,
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node in node_tpl.relationships.items()])
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if node_tpl.name == 'my_server':
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self.assertEqual(
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[('tosca.relationships.AttachTo', 'my_storage')],
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[(relation.type, node.name) for
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relation,
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node in node_tpl.relationships.items()])
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def test_template_requirements_not_implemented(self):
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#TODO(spzala) replace this test with new one once TOSCA types look up
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#support is implemented.
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"""Requirements that yet need to be implemented
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The following requirement formats are not yet implemented,
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due to look up dependency:
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1. Requirement expressed via TOSCA types to provision a node
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with explicit relationship.
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2. Requirement expressed via TOSCA types with a filter.
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"""
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tpl_snippet_1 = '''
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node_templates:
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mysql_database:
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type: tosca.nodes.Database
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description: Requires a particular node type and relationship.
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To be full-filled via lookup into node repository.
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requirements:
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- req1:
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node: tosca.nodes.DBMS
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relationship: tosca.relationships.HostedOn
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'''
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tpl_snippet_2 = '''
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node_templates:
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my_webserver:
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type: tosca.nodes.WebServer
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description: Requires a particular node type with a filter.
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To be full-filled via lookup into node repository.
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requirements:
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- req1:
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node: tosca.nodes.Compute
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target_filter:
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properties:
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num_cpus: { in_range: [ 1, 4 ] }
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mem_size: { greater_or_equal: 2 }
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capabilities:
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- tosca.capabilities.OS:
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properties:
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architecture: x86_64
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type: linux
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'''
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tpl_snippet_3 = '''
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node_templates:
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my_webserver2:
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type: tosca.nodes.WebServer
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description: Requires a node type with a particular capability.
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To be full-filled via lookup into node repository.
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requirements:
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- req1:
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node: tosca.nodes.Compute
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relationship: tosca.relationships.HostedOn
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capability: tosca.capabilities.Container
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'''
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self._requirements_not_implemented(tpl_snippet_1, 'mysql_database')
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self._requirements_not_implemented(tpl_snippet_2, 'my_webserver')
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self._requirements_not_implemented(tpl_snippet_3, 'my_webserver2')
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def _requirements_not_implemented(self, tpl_snippet, tpl_name):
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nodetemplates = (translator.toscalib.utils.yamlparser.
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simple_parse(tpl_snippet))['node_templates']
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self.assertRaises(
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NotImplementedError,
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lambda: NodeTemplate(tpl_name, nodetemplates).relationships)
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