def test_apply_stream(self):

        def se_exc(*args, **kwargs):
            raise Exception('foo')

        with patch('%s._validate' % pb):
            cls = TerraformRunner(self.mock_config(), 'terraform-bin')
        with patch('%s.logger' % pbm, autospec=True) as mock_logger:
            with patch('%s._set_remote' % pb, autospec=True) as mock_set:
                with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                    with patch('%s._taint_deployment' % pb,
                               autospec=True) as mock_taint:
                        mock_run.return_value = 'output'
                        mock_taint.side_effect = se_exc
                        with patch('%s._show_outputs' % pb,
                                   autospec=True) as mock_show:
                            cls.apply(stream=True)
        assert mock_set.mock_calls == [call(cls, stream=True)]
        assert mock_run.mock_calls == [
            call(cls, 'apply', cmd_args=['-input=false', '-refresh=true', '.'],
                 stream=True)
        ]
        assert mock_logger.mock_calls == [
            call.warning('Running terraform apply: %s',
                         '-input=false -refresh=true .'),
            call.warning("Terraform apply finished successfully.")
        ]
        assert mock_show.mock_calls == [call(cls)]
        assert mock_taint.mock_calls == [call(cls, stream=True)]

def get_base_url(config, args):
    """
    Get the API base url. Try Terraform state first, then
    :py:class:`~.AWSInfo`.

    :param config: configuration
    :type config: :py:class:`~.Config`
    :param args: command line arguments
    :type args: :py:class:`argparse.Namespace`
    :return: API base URL
    :rtype: str
    """
    try:
        logger.debug('Trying to get Terraform base_url output')
        runner = TerraformRunner(config, args.tf_path)
        outputs = runner._get_outputs()
        base_url = outputs['base_url']
        logger.debug("Terraform base_url output: '%s'", base_url)
    except Exception:
        logger.info('Unable to find API base_url from Terraform state; '
                    'querying AWS.', exc_info=1)
        aws = AWSInfo(config)
        base_url = aws.get_api_base_url()
        logger.debug("AWS api_base_url: '%s'", base_url)
    if not base_url.endswith('/'):
        base_url += '/'
    return base_url

 def test_apply(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._set_remote' % pb, autospec=True) as mock_set:
             with patch('%s._setup_tf' % pb, autospec=True) as mock_setup:
                 with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                     with patch('%s._taint_deployment' % pb,
                                autospec=True) as mock_taint:
                         mock_run.return_value = 'output'
                         with patch('%s._show_outputs' % pb,
                                    autospec=True) as mock_show:
                             cls.apply()
     assert mock_setup.mock_calls == [call(cls, stream=False)]
     assert mock_set.mock_calls == []
     assert mock_run.mock_calls == [
         call(cls, 'apply', cmd_args=['-input=false', '-refresh=true', '.'],
              stream=False)
     ]
     assert mock_logger.mock_calls == [
         call.warning('Running terraform apply: %s',
                      '-input=false -refresh=true .'),
         call.warning("Terraform apply finished successfully:\n%s", 'output')
     ]
     assert mock_show.mock_calls == [call(cls)]
     assert mock_taint.mock_calls == [call(cls, stream=False)]

def get_base_url(dir_path):
    """
    get the base url to the API
    """
    os.chdir(dir_path)
    conf = Config(os.path.join(dir_path, 'config.json'))
    tf_runner = TerraformRunner(conf, 'terraform')
    outs = tf_runner._get_outputs()
    return outs['base_url']

 def test_show_outputs(self, capsys):
     outs = {'a': 'b', 'foo': 'bar'}
     with patch('%s._get_outputs' % pb, autospec=True) as mock_get:
         mock_get.return_value = outs
         with patch('%s._validate' % pb):
             cls = TerraformRunner(self.mock_config(), 'terraform-bin')
             cls._show_outputs()
     assert mock_get.mock_calls == [call(cls)]
     out, err = capsys.readouterr()
     assert err == ''
     assert out == "\n\n=> Terraform Outputs:\na = b\nfoo = bar\n"

 def test_setup_tf_pre090(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform')
     cls.tf_version = (0, 7, 2)
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._set_remote' % pb, autospec=True) as mock_set_rmt:
             with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                 mock_run.return_value = ('myoutput', 0)
                 cls._setup_tf()
     assert mock_set_rmt.mock_calls == [call(cls, stream=False)]
     assert mock_run.mock_calls == []
     assert mock_logger.mock_calls == []

 def test_run_tf(self):
     expected_args = 'terraform plan config foo bar'
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s.run_cmd' % pbm, autospec=True) as mock_run:
             mock_run.return_value = ('myoutput', 0)
             cls._run_tf('plan', cmd_args=['config', 'foo', 'bar'])
     assert mock_run.mock_calls == [
         call(expected_args, stream=False)
     ]
     assert mock_logger.mock_calls == [
         call.info('Running terraform command: %s', expected_args)
     ]

 def test_set_remote_none(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), '/path/to/terraform')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._args_for_remote' % pb, autospec=True) as mock_args:
             with patch('%s.run_cmd' % pbm, autospec=True) as mock_run:
                 mock_args.return_value = None
                 cls._set_remote()
     assert mock_args.mock_calls == [call(cls)]
     assert mock_run.mock_calls == []
     assert mock_logger.mock_calls == [
         call.debug('_args_for_remote() returned None; not configuring '
                    'terraform remote')
     ]

 def test_args_for_remote(self):
     conf = self.mock_config(conf={
         'terraform_remote_state': {
             'backend': 'consul',
             'config': {
                 'path': 'consul/path',
                 'address': 'foo:1234'
             }
         }
     })
     with patch('%s._validate' % pb):
         cls = TerraformRunner(conf, 'tfpath')
     assert cls._args_for_remote() == [
         '-backend=consul',
         '-backend-config="address=foo:1234"',
         '-backend-config="path=consul/path"'
     ]

def main(args=None):
    """
    Main entry point
    """
    # parse args
    if args is None:
        args = parse_args(sys.argv[1:])

    # dump example config if that action
    if args.action == 'example-config':
        conf, doc = Config.example_config()
        print(conf)
        sys.stderr.write(doc + "\n")
        return

    # set logging level
    if args.verbose > 1:
        set_log_debug()
    elif args.verbose == 1:
        set_log_info()

    # get our config
    config = Config(args.config)

    if args.action == 'logs':
        aws = AWSInfo(config)
        aws.show_cloudwatch_logs(count=args.log_count)
        return

    if args.action == 'queuepeek':
        aws = AWSInfo(config)
        aws.show_queue(name=args.queue_name, delete=args.queue_delete,
                       count=args.msg_count)
        return

    if args.action == 'test':
        run_test(config, args)
        return

    # if generate or genapply, generate the configs
    if args.action == 'generate' or args.action == 'genapply':
        func_gen = LambdaFuncGenerator(config)
        func_src = func_gen.generate()
        # @TODO: also write func_source to disk
        tf_gen = TerraformGenerator(config)
        tf_gen.generate(func_src)

    # if only generate, exit now
    if args.action == 'generate':
        return

    # else setup a Terraform action
    runner = TerraformRunner(config, args.tf_path)
    # run the terraform action
    if args.action == 'apply' or args.action == 'genapply':
        runner.apply(args.stream_tf)
    elif args.action == 'plan':
        runner.plan(args.stream_tf)
    else:  # destroy
        runner.destroy(args.stream_tf)

 def test_destroy_stream(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._set_remote' % pb, autospec=True) as mock_set:
             with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                 mock_run.return_value = 'output'
                 cls.destroy(stream=True)
     assert mock_set.mock_calls == [call(cls, stream=True)]
     assert mock_run.mock_calls == [
         call(cls, 'destroy', cmd_args=['-refresh=true', '-force', '.'],
              stream=True)
     ]
     assert mock_logger.mock_calls == [
         call.warning('Running terraform destroy: %s',
                      '-refresh=true -force .'),
         call.warning("Terraform destroy finished successfully.")
     ]

 def test_plan(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._set_remote' % pb, autospec=True) as mock_set:
             with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                 mock_run.return_value = 'output'
                 cls.plan()
     assert mock_set.mock_calls == [call(cls, stream=False)]
     assert mock_run.mock_calls == [
         call(cls, 'plan', cmd_args=['-input=false', '-refresh=true', '.'],
              stream=False)
     ]
     assert mock_logger.mock_calls == [
         call.warning('Running terraform plan: %s',
                      '-input=false -refresh=true .'),
         call.warning("Terraform plan finished successfully:\n%s", 'output')
     ]

 def test_set_remote(self):
     expected_args = ['config', 'foo', 'bar']
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._args_for_remote' % pb, autospec=True) as mock_args:
             with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                 mock_args.return_value = ['foo', 'bar']
                 mock_run.return_value = ('myoutput', 0)
                 cls._set_remote()
     assert mock_args.mock_calls == [call(cls)]
     assert mock_run.mock_calls == [
         call(cls, 'remote', cmd_args=expected_args, stream=False)
     ]
     assert mock_logger.mock_calls == [
         call.warning('Setting terraform remote config: %s', 'foo bar'),
         call.info('Terraform remote configured.')
     ]

 def test_taint_deployment_stream(self):
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._set_remote' % pb, autospec=True) as mock_set:
             with patch('%s._run_tf' % pb, autospec=True) as mock_run:
                 mock_run.return_value = 'output'
                 cls._taint_deployment(stream=True)
     assert mock_set.mock_calls == []
     assert mock_run.mock_calls == [
         call(cls, 'taint', cmd_args=['aws_api_gateway_deployment.depl'],
              stream=True)
     ]
     assert mock_logger.mock_calls == [
         call.warning('Running terraform taint: %s as workaround for '
                      '<https://github.com/hashicorp/terraform/issues/6613>',
                      'aws_api_gateway_deployment.depl'),
         call.warning("Terraform taint finished successfully.")
     ]

 def test_run_tf_fail(self):
     expected_args = 'terraform-bin plan config foo bar'
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s.run_cmd' % pbm, autospec=True) as mock_run:
             mock_run.return_value = ('myoutput', 5)
             with pytest.raises(Exception) as excinfo:
                 cls._run_tf('plan', cmd_args=['config', 'foo', 'bar'],
                             stream=True)
     assert exc_msg(excinfo.value) == 'terraform plan failed'
     assert mock_run.mock_calls == [
         call(expected_args, stream=True)
     ]
     assert mock_logger.mock_calls == [
         call.info('Running terraform command: %s', expected_args),
         call.critical('Terraform command (%s) failed with exit code '
                       '%d:\n%s', expected_args, 5, 'myoutput')
     ]

 def test_get_outputs_0point7plus(self):
     expected = {
         'base_url': 'https://ljgx260ix7.execute-api.us-east-1.ama/bar/',
         'arn': 'arn:aws:iam::1234567890:role/foo',
         'foobar': 'foo = bar = baz.w32'
     }
     resp = json.dumps(expected) + "\n"
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
         cls.tf_version = (0, 7, 0)
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._run_tf' % pb, autospec=True) as mock_run:
             mock_run.return_value = resp
             res = cls._get_outputs()
     assert res == expected
     assert mock_run.mock_calls == [call(cls, 'output', cmd_args=['-json'])]
     assert mock_logger.mock_calls == [
         call.debug('Running: terraform output'),
         call.debug('Terraform outputs: %s', expected)
     ]

 def test_get_outputs_pre0point7(self):
     resp = "base_url = https://ljgx260ix7.execute-api.us-east-1.ama/bar/\n"
     resp += "arn = arn:aws:iam::1234567890:role/foo\n"
     resp += "foobar = foo = bar = baz.w32\n\n"
     expected = {
         'base_url': 'https://ljgx260ix7.execute-api.us-east-1.ama/bar/',
         'arn': 'arn:aws:iam::1234567890:role/foo',
         'foobar': 'foo = bar = baz.w32'
     }
     with patch('%s._validate' % pb):
         cls = TerraformRunner(self.mock_config(), 'terraform-bin')
         cls.tf_version = (0, 6, 16)
     with patch('%s.logger' % pbm, autospec=True) as mock_logger:
         with patch('%s._run_tf' % pb, autospec=True) as mock_run:
             mock_run.return_value = resp
             res = cls._get_outputs()
     assert res == expected
     assert mock_run.mock_calls == [call(cls, 'output')]
     assert mock_logger.mock_calls == [
         call.debug('Running: terraform output'),
         call.debug('Terraform outputs: %s', expected)
     ]

def get_api_id(config, args):
    """
    Get the API ID from Terraform, or from AWS if that fails.

    :param config: configuration
    :type config: :py:class:`~.Config`
    :param args: command line arguments
    :type args: :py:class:`argparse.Namespace`
    :return: API Gateway ID
    :rtype: str
    """
    try:
        logger.debug('Trying to get Terraform rest_api_id output')
        runner = TerraformRunner(config, args.tf_path)
        outputs = runner._get_outputs()
        depl_id = outputs['rest_api_id']
        logger.debug("Terraform rest_api_id output: '%s'", depl_id)
    except Exception:
        logger.info('Unable to find API rest_api_id from Terraform state;'
                    ' querying AWS.', exc_info=1)
        aws = AWSInfo(config)
        depl_id = aws.get_api_id()
        logger.debug("AWS API ID: '%s'", depl_id)
    return depl_id

def main(args=None):
    """
    Main entry point
    """
    # parse args
    if args is None:
        args = parse_args(sys.argv[1:])

    # dump example config if that action
    if args.action == 'example-config':
        conf, doc = Config.example_config()
        print(conf)
        sys.stderr.write(doc + "\n")
        return

    # set logging level
    if args.verbose > 1:
        set_log_debug()
    elif args.verbose == 1:
        set_log_info()

    # get our config
    config = Config(args.config)

    if args.action == 'logs':
        aws = AWSInfo(config)
        aws.show_cloudwatch_logs(count=args.log_count)
        return

    if args.action == 'apilogs':
        api_id = get_api_id(config, args)
        aws = AWSInfo(config)
        aws.show_cloudwatch_logs(
            count=args.log_count,
            grp_name='API-Gateway-Execution-Logs_%s/%s' % (
                api_id, config.stage_name
            )
        )
        return

    if args.action == 'queuepeek':
        aws = AWSInfo(config)
        aws.show_queue(name=args.queue_name, delete=args.queue_delete,
                       count=args.msg_count)
        return

    if args.action == 'test':
        run_test(config, args)
        return

    if args.action in ['apply', 'genapply', 'plan', 'destroy']:
        runner = TerraformRunner(config, args.tf_path)
        tf_ver = runner.tf_version
    else:
        tf_ver = tuple(
            [int(x) for x in args.tf_ver.split('.')]
        )

    # if generate or genapply, generate the configs
    if args.action == 'generate' or args.action == 'genapply':
        func_gen = LambdaFuncGenerator(config)
        func_src = func_gen.generate()
        # @TODO: also write func_source to disk
        tf_gen = TerraformGenerator(config, tf_ver=tf_ver)
        tf_gen.generate(func_src)

    # if only generate, exit now
    if args.action == 'generate':
        return

    # run the terraform action
    if args.action == 'apply' or args.action == 'genapply':
        runner.apply(args.stream_tf)
        # conditionally set API Gateway Method settings
        if config.get('api_gateway_method_settings') is not None:
            aws = AWSInfo(config)
            aws.set_method_settings()
    elif args.action == 'plan':
        runner.plan(args.stream_tf)
    else:  # destroy
        runner.destroy(args.stream_tf)

 def test_args_for_remote_none(self):
     conf = self.mock_config()
     with patch('%s._validate' % pb):
         cls = TerraformRunner(conf, 'tfpath')
     assert cls._args_for_remote() is None