113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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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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import os
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from cloudbaseinit.plugins.common import execcmd
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from cloudbaseinit.plugins.common import userdatautils
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from cloudbaseinit.tests import testutils
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def _safe_remove(filepath):
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if not filepath:
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return
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try:
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os.remove(filepath)
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except OSError:
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pass
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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class UserDataUtilsTest(unittest.TestCase):
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def _get_command(self, data):
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"""Get a command from the given data.
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If a command was obtained, then a cleanup will be added in order
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to remove the underlying target path of the command.
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"""
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command = userdatautils.get_command(data)
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if command and not isinstance(command, execcmd.CommandExecutor):
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self.addCleanup(_safe_remove, command._target_path)
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return command
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def test_get_command(self, _):
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command = self._get_command(b'rem cmd test')
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self.assertIsInstance(command, execcmd.Shell)
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command = self._get_command(b'#!/usr/bin/env python\ntest')
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self.assertIsInstance(command, execcmd.Python)
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command = self._get_command(b'#!/bin/bash')
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self.assertIsInstance(command, execcmd.Bash)
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command = self._get_command(b'#ps1_sysnative\n')
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self.assertIsInstance(command, execcmd.PowershellSysnative)
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command = self._get_command(b'#ps1_x86\n')
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self.assertIsInstance(command, execcmd.Powershell)
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command = self._get_command(b'<script>echo test</script>')
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self.assertIsInstance(command, execcmd.CommandExecutor)
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command = self._get_command(b'unknown')
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self.assertIsNone(command)
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def test_execute_user_data_script_no_commands(self, _):
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'userdatautils') as snatcher:
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retval = userdatautils.execute_user_data_script(b"unknown")
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expected_logging = [
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'Unsupported user_data format'
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]
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self.assertEqual(0, retval)
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self.assertEqual(expected_logging, snatcher.output)
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@mock.patch('cloudbaseinit.plugins.common.userdatautils.'
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'get_command')
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def test_execute_user_data_script_fails(self, mock_get_command, _):
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mock_command = mock.Mock()
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mock_command.execute.side_effect = ValueError
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mock_get_command.return_value = mock_command
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'userdatautils') as snatcher:
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retval = userdatautils.execute_user_data_script(
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mock.sentinel.user_data)
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expected_logging = [
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"An error occurred during user_data execution: ''",
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'User_data script ended with return code: 0']
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self.assertEqual(0, retval)
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self.assertEqual(expected_logging, snatcher.output)
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@mock.patch('cloudbaseinit.plugins.common.userdatautils.'
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'get_command')
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def test_execute_user_data_script(self, mock_get_command, _):
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mock_command = mock.Mock()
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mock_command.execute.return_value = (
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mock.sentinel.output, mock.sentinel.error, -1
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)
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mock_get_command.return_value = mock_command
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retval = userdatautils.execute_user_data_script(
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mock.sentinel.user_data)
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self.assertEqual(-1, retval)
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