3f26840087
* Subprocess().Popen() -> Subprocess().popen() per PEP-8 conventions * Move cosmos_error out of class because it isn't a member function per PEP-8 * Add pep8-naming plugin to flake8 so PEP-8 errors are caught during syntax checks
118 lines
2.9 KiB
Python
118 lines
2.9 KiB
Python
import os
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import signal
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import sys
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import docopt
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from six.moves import urllib
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import dcoscli
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from dcos import config, constants, emitting, errors, http, subcommand, util
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from dcos.errors import DCOSException
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from dcoscli.subcommand import default_doc, SubcommandMain
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logger = util.get_logger(__name__)
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emitter = emitting.FlatEmitter()
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def main():
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try:
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return _main()
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except DCOSException as e:
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emitter.publish(e)
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return 1
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def _get_versions(dcos_url):
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"""Print DC/OS and DC/OS-CLI versions
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:param dcos_url: url to DC/OS cluster
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:type dcos_url: str
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:returns: Process status
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:rtype: int
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"""
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dcos_info = {}
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try:
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url = urllib.parse.urljoin(
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dcos_url, 'dcos-metadata/dcos-version.json')
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res = http.get(url, timeout=1)
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if res.status_code == 200:
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dcos_info = res.json()
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except Exception as e:
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logger.exception(e)
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pass
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emitter.publish(
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"dcoscli.version={}\n".format(dcoscli.version) +
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"dcos.version={}\n".format(dcos_info.get("version", "N/A")) +
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"dcos.commit={}\n".format(dcos_info.get(
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"dcos-image-commit", "N/A")) +
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"dcos.bootstrap-id={}".format(dcos_info.get("bootstrap-id", "N/A"))
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)
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return 0
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def _main():
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signal.signal(signal.SIGINT, signal_handler)
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http.silence_requests_warnings()
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args = docopt.docopt(default_doc("dcos"), options_first=True)
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log_level = args['--log-level']
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if log_level and not _config_log_level_environ(log_level):
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return 1
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if args['--debug']:
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os.environ[constants.DCOS_DEBUG_ENV] = 'true'
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util.configure_process_from_environ()
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if args['--version']:
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return _get_versions(config.get_config_val("core.dcos_url"))
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command = args['<command>']
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if not command:
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command = "help"
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if command in subcommand.default_subcommands():
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sc = SubcommandMain(command, args['<args>'])
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else:
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executable = subcommand.command_executables(command)
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sc = subcommand.SubcommandProcess(
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executable, command, args['<args>'])
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exitcode, _ = sc.run_and_capture()
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return exitcode
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def _config_log_level_environ(log_level):
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"""
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:param log_level: Log level to set
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:type log_level: str
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:returns: True if the log level was configured correctly; False otherwise.
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:rtype: bool
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"""
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log_level = log_level.lower()
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if log_level in constants.VALID_LOG_LEVEL_VALUES:
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os.environ[constants.DCOS_LOG_LEVEL_ENV] = log_level
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return True
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msg = 'Log level set to an unknown value {!r}. Valid values are {!r}'
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emitter.publish(msg.format(log_level, constants.VALID_LOG_LEVEL_VALUES))
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return False
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def signal_handler(signal, frame):
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emitter.publish(
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errors.DefaultError("User interrupted command with Ctrl-C"))
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sys.exit(0)
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if __name__ == "__main__":
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sys.exit(main())
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