ff22528b07
Consolidate the module_utils, constants, and config functions that convert values into booleans into a single function in module_utils. Port code to use the module_utils.validate.convert_bool.boolean function isntead of mk_boolean.
256 lines
7.5 KiB
Python
Executable file
256 lines
7.5 KiB
Python
Executable file
#!/usr/bin/env python
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"""Interpreter and code coverage injector for use with ansible-test.
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The injector serves two main purposes:
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1) Control the python interpreter used to run test tools and ansible code.
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2) Provide optional code coverage analysis of ansible code.
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The injector is executed one of two ways:
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1) On the controller via a symbolic link such as ansible or pytest.
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This is accomplished by prepending the injector directory to the PATH by ansible-test.
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2) As the python interpreter when running ansible modules.
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This is only supported when connecting to the local host.
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Otherwise set the ANSIBLE_TEST_REMOTE_INTERPRETER environment variable.
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It can be empty to auto-detect the python interpreter on the remote host.
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If not empty it will be used to set ansible_python_interpreter.
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NOTE: Running ansible-test with the --tox option or inside a virtual environment
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may prevent the injector from working for tests which use connection
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types other than local, or which use become, due to lack of permissions
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to access the interpreter for the virtual environment.
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"""
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from __future__ import absolute_import, print_function
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import errno
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import json
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import os
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import sys
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import pipes
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import logging
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import getpass
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logger = logging.getLogger('injector') # pylint: disable=locally-disabled, invalid-name
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# pylint: disable=locally-disabled, invalid-name
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config = None # type: InjectorConfig
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class InjectorConfig(object):
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"""Mandatory configuration."""
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def __init__(self, config_path):
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"""Initialize config."""
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with open(config_path) as config_fd:
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_config = json.load(config_fd)
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self.python_interpreter = _config['python_interpreter']
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self.coverage_file = _config['coverage_file']
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# Read from the environment instead of config since it needs to be changed by integration test scripts.
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# It also does not need to flow from the controller to the remote. It is only used on the controller.
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self.remote_interpreter = os.environ.get('ANSIBLE_TEST_REMOTE_INTERPRETER', None)
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self.arguments = [to_text(c) for c in sys.argv]
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def to_text(value):
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"""
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:type value: str | None
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:rtype: str | None
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"""
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if value is None:
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return None
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if isinstance(value, bytes):
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return value.decode('utf-8')
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return u'%s' % value
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def main():
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"""Main entry point."""
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global config # pylint: disable=locally-disabled, global-statement
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formatter = logging.Formatter('%(asctime)s %(process)d %(levelname)s %(message)s')
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log_name = 'ansible-test-coverage.%s.log' % getpass.getuser()
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self_dir = os.path.dirname(os.path.abspath(__file__))
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handler = logging.FileHandler(os.path.join('/tmp', log_name))
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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handler = logging.FileHandler(os.path.abspath(os.path.join(self_dir, '..', 'logs', log_name)))
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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logger.setLevel(logging.DEBUG)
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try:
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logger.debug('Self: %s', __file__)
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config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'injector.json')
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try:
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config = InjectorConfig(config_path)
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except IOError:
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logger.exception('Error reading config: %s', config_path)
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exit('No injector config found. Set ANSIBLE_TEST_REMOTE_INTERPRETER if the test is not connecting to the local host.')
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logger.debug('Arguments: %s', ' '.join(pipes.quote(c) for c in config.arguments))
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logger.debug('Python interpreter: %s', config.python_interpreter)
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logger.debug('Remote interpreter: %s', config.remote_interpreter)
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logger.debug('Coverage file: %s', config.coverage_file)
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require_cwd = False
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if os.path.basename(__file__) == 'injector.py':
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if config.coverage_file:
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args, env, require_cwd = cover()
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else:
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args, env = runner()
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else:
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args, env = injector()
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logger.debug('Run command: %s', ' '.join(pipes.quote(c) for c in args))
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altered_cwd = False
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try:
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cwd = os.getcwd()
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except OSError as ex:
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# some platforms, such as OS X, may not allow querying the working directory when using become to drop privileges
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if ex.errno != errno.EACCES:
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raise
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if require_cwd:
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# make sure the program we execute can determine the working directory if it's required
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cwd = '/'
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os.chdir(cwd)
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altered_cwd = True
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else:
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cwd = None
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logger.debug('Working directory: %s%s', cwd or '?', ' (altered)' if altered_cwd else '')
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for key in sorted(env.keys()):
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logger.debug('%s=%s', key, env[key])
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os.execvpe(args[0], args, env)
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except Exception as ex:
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logger.fatal(ex)
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raise
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def injector():
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"""
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:rtype: list[str], dict[str, str]
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"""
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command = os.path.basename(__file__)
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executable = find_executable(command)
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if config.coverage_file:
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args, env = coverage_command()
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else:
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args, env = [config.python_interpreter], os.environ.copy()
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args += [executable]
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if command in ('ansible', 'ansible-playbook', 'ansible-pull'):
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if config.remote_interpreter is None:
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interpreter = os.path.join(os.path.dirname(__file__), 'injector.py')
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elif config.remote_interpreter == '':
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interpreter = None
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else:
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interpreter = config.remote_interpreter
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if interpreter:
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args += ['--extra-vars', 'ansible_python_interpreter=' + interpreter]
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args += config.arguments[1:]
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return args, env
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def runner():
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"""
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:rtype: list[str], dict[str, str]
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"""
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args, env = [config.python_interpreter], os.environ.copy()
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args += config.arguments[1:]
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return args, env
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def cover():
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"""
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:rtype: list[str], dict[str, str], bool
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"""
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if len(config.arguments) > 1:
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executable = config.arguments[1]
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else:
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executable = ''
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require_cwd = False
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if os.path.basename(executable).startswith('ansible_module_'):
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args, env = coverage_command()
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# coverage requires knowing the working directory
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require_cwd = True
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else:
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args, env = [config.python_interpreter], os.environ.copy()
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args += config.arguments[1:]
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return args, env, require_cwd
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def coverage_command():
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"""
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:rtype: list[str], dict[str, str]
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"""
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self_dir = os.path.dirname(os.path.abspath(__file__))
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args = [
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config.python_interpreter,
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'-m',
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'coverage.__main__',
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'run',
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'--rcfile',
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os.path.join(self_dir, '.coveragerc'),
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]
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env = os.environ.copy()
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env['COVERAGE_FILE'] = config.coverage_file
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return args, env
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def find_executable(executable):
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"""
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:type executable: str
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:rtype: str
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"""
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self = os.path.abspath(__file__)
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path = os.environ.get('PATH', os.defpath)
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seen_dirs = set()
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for path_dir in path.split(os.pathsep):
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if path_dir in seen_dirs:
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continue
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seen_dirs.add(path_dir)
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candidate = os.path.abspath(os.path.join(path_dir, executable))
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if candidate == self:
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continue
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if os.path.exists(candidate) and os.access(candidate, os.F_OK | os.X_OK):
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return candidate
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raise Exception('Executable "%s" not found in path: %s' % (executable, path))
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if __name__ == '__main__':
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main()
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