Source code for ironic_python_agent.tests.functional.base

# Copyright 2015 Rackspace, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import logging
import multiprocessing
import os
import time

from oslotest import base as test_base
import requests

from ironic_python_agent import agent


class FunctionalBase(test_base.BaseTestCase):
    def setUp(self):
        """Start the agent and wait for it to start"""
        super(FunctionalBase, self).setUp()
        mpl = multiprocessing.log_to_stderr()
        mpl.setLevel(logging.INFO)
        test_port = os.environ.get('TEST_PORT', '9999')
        # Build a basic standalone agent using the config option defaults.
        # 127.0.0.1:6835 is the fake Ironic client.
        self.agent = agent.IronicPythonAgent(
            'http://127.0.0.1:6835', 'localhost', ('0.0.0.0',
            int(test_port)), 3, 10, None, 300, 1,
            'agent_ipmitool', True)
        self.process = multiprocessing.Process(
            target=self.agent.run)
        self.process.start()
        self.addCleanup(self.process.terminate)

        # Wait for process to start, otherwise we have a race for tests
        tries = 0
        max_tries = os.environ.get('IPA_WAIT_TIME', '2')
        while tries < int(max_tries):
            try:
                return requests.get('http://localhost:%s/v1/commands' %
                        test_port)
            except requests.ConnectionError:
                time.sleep(.1)
                tries += 1

        raise IOError('Agent did not start after %s seconds.' % max_tries)