当前位置: 首页>>代码示例>>Python>>正文


Python EMRJobRunner._enable_slave_ssh_access方法代码示例

本文整理汇总了Python中mrjob.emr.EMRJobRunner._enable_slave_ssh_access方法的典型用法代码示例。如果您正苦于以下问题:Python EMRJobRunner._enable_slave_ssh_access方法的具体用法?Python EMRJobRunner._enable_slave_ssh_access怎么用?Python EMRJobRunner._enable_slave_ssh_access使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在mrjob.emr.EMRJobRunner的用法示例。


在下文中一共展示了EMRJobRunner._enable_slave_ssh_access方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: MRBossTestCase

# 需要导入模块: from mrjob.emr import EMRJobRunner [as 别名]
# 或者: from mrjob.emr.EMRJobRunner import _enable_slave_ssh_access [as 别名]
class MRBossTestCase(MockEMRAndS3TestCase):

    def setUp(self):
        super(MRBossTestCase, self).setUp()
        self.make_runner()

    def tearDown(self):
        self.cleanup_runner()
        super(MRBossTestCase, self).tearDown()

    def make_runner(self):
        self.runner = EMRJobRunner(conf_path=False)
        self.add_mock_s3_data({'walrus': {}})
        self.runner = EMRJobRunner(s3_sync_wait_time=0,
                                   s3_scratch_uri='s3://walrus/tmp',
                                   conf_path=False)
        self.runner._s3_job_log_uri = BUCKET_URI + LOG_DIR
        self.prepare_runner_for_ssh(self.runner)
        self.runner._enable_slave_ssh_access()
        self.output_dir = tempfile.mkdtemp(prefix='mrboss_wd')

    def cleanup_runner(self):
        """This method assumes ``prepare_runner_for_ssh()`` was called. That
        method isn't a "proper" setup method because it requires different
        arguments for different tests.
        """
        shutil.rmtree(self.output_dir)
        self.runner.cleanup()
        self.teardown_ssh()

    def test_one_node(self):
        mock_ssh_file('testmaster', 'some_file', 'file contents')

        run_on_all_nodes(self.runner, self.output_dir, ['cat', 'some_file'],
                         print_stderr=False)

        with open(os.path.join(self.output_dir, 'master', 'stdout'), 'r') as f:
            self.assertEqual(f.read(), 'file contents\n')

        self.assertEqual(os.listdir(self.output_dir), ['master'])

    def test_two_nodes(self):
        self.add_slave()
        self.runner._opts['num_ec2_instances'] = 2

        mock_ssh_file('testmaster', 'some_file', 'file contents 1')
        mock_ssh_file('testmaster!testslave0', 'some_file', 'file contents 2')

        run_on_all_nodes(self.runner, self.output_dir, ['cat', 'some_file'],
                         print_stderr=False)

        with open(os.path.join(self.output_dir, 'master', 'stdout'), 'r') as f:
            self.assertEqual(f.read(), 'file contents 1\n')

        with open(os.path.join(self.output_dir, 'slave testslave0', 'stdout'),
                  'r') as f:
            self.assertEqual(f.read(), 'file contents 2\n')

        self.assertEqual(sorted(os.listdir(self.output_dir)),
                         ['master', 'slave testslave0'])
开发者ID:bchess,项目名称:mrjob,代码行数:62,代码来源:test_mrboss.py


注:本文中的mrjob.emr.EMRJobRunner._enable_slave_ssh_access方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。