82 lines
2.6 KiB
Python
Executable File
82 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2017, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Ansible linter for passing packages as list to package modules."""
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import os
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import unittest
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from ansiblelint import AnsibleLintRule, RulesCollection, Runner
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TEST_PLAYBOOK_DIR = "{}/test/".format(
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os.path.dirname(os.path.realpath(__file__))
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)
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PACKAGE_MODULES = [
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'apt',
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'dnf',
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'package',
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'pip',
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'yum',
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'zypper'
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]
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def is_package_action(task):
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"""Test if task is using a package module."""
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return task['action']['__ansible_module__'] in PACKAGE_MODULES
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class PassListToPackageModules(AnsibleLintRule):
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"""Ansible linter for passing packages as list to package modules."""
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id = 'OSA0002'
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shortdesc = 'Pass packages as a list to package modules'
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description = (
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"When passing multiple packages to a package module, pass the "
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"packages as a list rather than using 'with_items'. This provides a "
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"performance boost for deployments."
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)
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tags = ['performance']
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def matchtask(self, file, task):
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"""Search the task for our concerns."""
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return is_package_action(task) and 'with_items' in task
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class TestPassListToPackageModules(unittest.TestCase):
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"""Test the PassListToPackageModules lint rule."""
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collection = RulesCollection()
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def setUp(self):
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"""Set up the linter testing."""
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self.collection.register(PassListToPackageModules())
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def test_file_positive(self):
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"""A valid playbook should pass the linter."""
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playbook = '{}/package_module_pass_list.yml'.format(
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TEST_PLAYBOOK_DIR
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)
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runner = Runner(self.collection, playbook, [], [], [])
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self.assertEqual([], runner.run())
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def test_file_negative(self):
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"""An invalid playbook should fail the linter."""
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playbook = '{}/package_module_with_items.yml'.format(
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TEST_PLAYBOOK_DIR
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)
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runner = Runner(self.collection, playbook, [], [], [])
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self.assertNotEqual([], runner.run())
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if __name__ == '__main__':
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unittest.main()
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