500 lines
16 KiB
Python
500 lines
16 KiB
Python
# Copyright 2012-2013 OpenStack Foundation
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# Copyright 2015 Dean Troyer
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Command-line interface to the OpenStack APIs"""
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import argparse
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import getpass
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import locale
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import logging
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import sys
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import traceback
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from cliff import app
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from cliff import command
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from cliff import complete
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from cliff import help
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from oslo_utils import importutils
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from oslo_utils import strutils
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import six
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from osc_lib.cli import client_config as cloud_config
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from osc_lib import clientmanager
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from osc_lib.command import commandmanager
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from osc_lib.command import timing
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from osc_lib import exceptions as exc
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from osc_lib.i18n import _
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from osc_lib import logs
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from osc_lib import utils
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osprofiler_profiler = importutils.try_import("osprofiler.profiler")
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DEFAULT_DOMAIN = 'default'
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def prompt_for_password(prompt=None):
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"""Prompt user for a password
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Prompt for a password if stdin is a tty.
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"""
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if not prompt:
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prompt = 'Password: '
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pw = None
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# If stdin is a tty, try prompting for the password
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if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
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# Check for Ctl-D
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try:
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pw = getpass.getpass(prompt)
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except EOFError:
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pass
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# No password because we did't have a tty or nothing was entered
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if not pw:
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raise exc.CommandError(_("No password entered, or found via"
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" --os-password or OS_PASSWORD"),)
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return pw
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class OpenStackShell(app.App):
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CONSOLE_MESSAGE_FORMAT = '%(levelname)s: %(name)s %(message)s'
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log = logging.getLogger(__name__)
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timing_data = []
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def __init__(
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self,
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description=None,
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version=None,
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command_manager=None,
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stdin=None,
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stdout=None,
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stderr=None,
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interactive_app_factory=None,
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deferred_help=False,
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):
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# Patch command.Command to add a default auth_required = True
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command.Command.auth_required = True
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# Some commands do not need authentication
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help.HelpCommand.auth_required = False
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complete.CompleteCommand.auth_required = False
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# Slight change to the meaning of --debug
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self.DEFAULT_DEBUG_VALUE = None
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self.DEFAULT_DEBUG_HELP = 'Set debug logging and traceback on errors.'
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# Do default for positionals
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if not command_manager:
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cm = commandmanager.CommandManager('openstack.cli')
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else:
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cm = command_manager
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super(OpenStackShell, self).__init__(
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description=__doc__.strip(),
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version=version,
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command_manager=cm,
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deferred_help=True,
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)
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# Until we have command line arguments parsed, dump any stack traces
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self.dump_stack_trace = True
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# Set in subclasses
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self.api_version = None
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self.client_manager = None
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self.command_options = None
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self.do_profile = False
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def configure_logging(self):
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"""Configure logging for the app."""
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self.log_configurator = logs.LogConfigurator(self.options)
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self.dump_stack_trace = self.log_configurator.dump_trace
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def run(self, argv):
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ret_val = 1
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self.command_options = argv
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try:
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ret_val = super(OpenStackShell, self).run(argv)
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return ret_val
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except Exception as e:
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if not logging.getLogger('').handlers:
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logging.basicConfig()
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if self.dump_stack_trace:
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self.log.error(traceback.format_exc())
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else:
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self.log.error('Exception raised: ' + str(e))
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return ret_val
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finally:
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self.log.info("END return value: %s", ret_val)
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def init_profile(self):
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# NOTE(dtroyer): Remove this 'if' block when the --profile global
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# option is removed
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if osprofiler_profiler and self.options.old_profile:
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self.log.warning(
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'The --profile option is deprecated, '
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'please use --os-profile instead'
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)
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if not self.options.profile:
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self.options.profile = self.options.old_profile
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self.do_profile = osprofiler_profiler and self.options.profile
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if self.do_profile:
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osprofiler_profiler.init(self.options.profile)
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def close_profile(self):
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if self.do_profile:
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trace_id = osprofiler_profiler.get().get_base_id()
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# NOTE(dbelova): let's use warning log level to see these messages
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# printed. In fact we can define custom log level here with value
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# bigger than most big default one (CRITICAL) or something like
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# that (PROFILE = 60 for instance), but not sure we need it here.
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self.log.warning("Trace ID: %s" % trace_id)
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self.log.warning("Display trace with command:\n"
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"osprofiler trace show --html %s " % trace_id)
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def run_subcommand(self, argv):
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self.init_profile()
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try:
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ret_value = super(OpenStackShell, self).run_subcommand(argv)
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finally:
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self.close_profile()
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return ret_value
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def interact(self):
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self.init_profile()
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try:
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ret_value = super(OpenStackShell, self).interact()
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finally:
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self.close_profile()
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return ret_value
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def build_option_parser(self, description, version):
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parser = super(OpenStackShell, self).build_option_parser(
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description,
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version)
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# service token auth argument
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parser.add_argument(
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'--os-cloud',
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metavar='<cloud-config-name>',
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dest='cloud',
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default=utils.env('OS_CLOUD'),
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help=_('Cloud name in clouds.yaml (Env: OS_CLOUD)'),
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)
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# Global arguments
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parser.add_argument(
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'--os-region-name',
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metavar='<auth-region-name>',
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dest='region_name',
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default=utils.env('OS_REGION_NAME'),
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help=_('Authentication region name (Env: OS_REGION_NAME)'),
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)
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parser.add_argument(
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'--os-cacert',
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metavar='<ca-bundle-file>',
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dest='cacert',
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default=utils.env('OS_CACERT', default=None),
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help=_('CA certificate bundle file (Env: OS_CACERT)'),
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)
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parser.add_argument(
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'--os-cert',
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metavar='<certificate-file>',
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dest='cert',
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default=utils.env('OS_CERT'),
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help=_('Client certificate bundle file (Env: OS_CERT)'),
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)
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parser.add_argument(
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'--os-key',
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metavar='<key-file>',
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dest='key',
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default=utils.env('OS_KEY'),
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help=_('Client certificate key file (Env: OS_KEY)'),
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)
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verify_group = parser.add_mutually_exclusive_group()
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verify_group.add_argument(
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'--verify',
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action='store_true',
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default=None,
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help=_('Verify server certificate (default)'),
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)
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verify_group.add_argument(
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'--insecure',
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action='store_true',
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default=None,
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help=_('Disable server certificate verification'),
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)
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parser.add_argument(
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'--os-default-domain',
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metavar='<auth-domain>',
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dest='default_domain',
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default=utils.env(
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'OS_DEFAULT_DOMAIN',
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default=DEFAULT_DOMAIN),
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help=_('Default domain ID, default=%s. '
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'(Env: OS_DEFAULT_DOMAIN)') % DEFAULT_DOMAIN,
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)
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parser.add_argument(
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'--os-interface',
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metavar='<interface>',
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dest='interface',
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choices=['admin', 'public', 'internal'],
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default=utils.env('OS_INTERFACE'),
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help=_('Select an interface type.'
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' Valid interface types: [admin, public, internal].'
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' (Env: OS_INTERFACE)'),
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)
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parser.add_argument(
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'--timing',
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default=False,
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action='store_true',
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help=_("Print API call timing info"),
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)
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parser.add_argument(
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'--os-beta-command',
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action='store_true',
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help=_("Enable beta commands which are subject to change"),
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)
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# osprofiler HMAC key argument
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if osprofiler_profiler:
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parser.add_argument(
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'--os-profile',
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metavar='hmac-key',
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dest='profile',
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help=_('HMAC key for encrypting profiling context data'),
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)
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# NOTE(dtroyer): This global option should have been named
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# --os-profile as --profile interferes with at
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# least one existing command option. Deprecate
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# --profile and remove after Apr 2017.
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parser.add_argument(
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'--profile',
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metavar='hmac-key',
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dest='old_profile',
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help=argparse.SUPPRESS,
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)
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return parser
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# return clientmanager.build_plugin_option_parser(parser)
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"""
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Break up initialize_app() so that overriding it in a subclass does not
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require duplicating a lot of the method
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* super()
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* _final_defaults()
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* OpenStackConfig
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* get_one_cloud
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* _load_plugins()
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* _load_commands()
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* ClientManager
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"""
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def _final_defaults(self):
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# Set the default plugin to None
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# NOTE(dtroyer): This is here to set up for setting it to a default
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# in the calling CLI
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self._auth_type = None
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# Converge project/tenant options
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project_id = getattr(self.options, 'project_id', None)
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project_name = getattr(self.options, 'project_name', None)
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tenant_id = getattr(self.options, 'tenant_id', None)
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tenant_name = getattr(self.options, 'tenant_name', None)
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# handle some v2/v3 authentication inconsistencies by just acting like
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# both the project and tenant information are both present. This can
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# go away if we stop registering all the argparse options together.
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if project_id and not tenant_id:
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self.options.tenant_id = project_id
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if project_name and not tenant_name:
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self.options.tenant_name = project_name
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if tenant_id and not project_id:
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self.options.project_id = tenant_id
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if tenant_name and not project_name:
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self.options.project_name = tenant_name
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# Save default domain
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self.default_domain = self.options.default_domain
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def _load_plugins(self):
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"""Load plugins via stevedore
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osc-lib has no opinion on what plugins should be loaded
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"""
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pass
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def _load_commands(self):
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"""Load commands via cliff/stevedore
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osc-lib has no opinion on what commands should be loaded
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"""
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pass
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def initialize_app(self, argv):
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"""Global app init bits:
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* set up API versions
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* validate authentication info
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* authenticate against Identity if requested
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"""
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# Parent __init__ parses argv into self.options
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super(OpenStackShell, self).initialize_app(argv)
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self.log.info("START with options: %s",
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strutils.mask_password(self.command_options))
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self.log.debug("options: %s",
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strutils.mask_password(self.options))
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# Callout for stuff between superclass init and o-c-c
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self._final_defaults()
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# Do configuration file handling
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# Ignore the default value of interface. Only if it is set later
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# will it be used.
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try:
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cc = cloud_config.OSC_Config(
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override_defaults={
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'interface': None,
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'auth_type': self._auth_type,
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},
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)
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except (IOError, OSError) as e:
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self.log.critical("Could not read clouds.yaml configuration file")
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self.print_help_if_requested()
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raise e
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# TODO(thowe): Change cliff so the default value for debug
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# can be set to None.
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if not self.options.debug:
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self.options.debug = None
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# NOTE(dtroyer): Need to do this with validate=False to defer the
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# auth plugin handling to ClientManager.setup_auth()
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self.cloud = cc.get_one_cloud(
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cloud=self.options.cloud,
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argparse=self.options,
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validate=False,
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)
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self.log_configurator.configure(self.cloud)
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self.dump_stack_trace = self.log_configurator.dump_trace
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self.log.debug("defaults: %s", cc.defaults)
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self.log.debug("cloud cfg: %s",
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strutils.mask_password(self.cloud.config))
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# Callout for stuff between o-c-c and ClientManager
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# self._initialize_app_2(self.options)
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self._load_plugins()
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self._load_commands()
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# Handle deferred help and exit
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self.print_help_if_requested()
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self.client_manager = clientmanager.ClientManager(
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cli_options=self.cloud,
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api_version=self.api_version,
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pw_func=prompt_for_password,
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)
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def prepare_to_run_command(self, cmd):
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"""Set up auth and API versions"""
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self.log.info(
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'command: %s -> %s.%s',
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getattr(cmd, 'cmd_name', '<none>'),
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cmd.__class__.__module__,
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cmd.__class__.__name__,
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)
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kwargs = {}
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if not cmd.auth_required:
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# Build fake token creds to keep ksa and o-c-c hushed
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kwargs['auth_type'] = 'token_endpoint'
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kwargs['auth'] = {}
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kwargs['auth']['token'] = 'x'
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kwargs['auth']['url'] = 'x'
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# Validate auth options
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self.cloud = self.cloud_config.get_one_cloud(
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cloud=self.options.cloud,
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argparse=self.options,
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validate=True,
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**kwargs
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)
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# Push the updated args into ClientManager
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self.client_manager._cli_options = self.cloud
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if cmd.auth_required:
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self.client_manager.setup_auth()
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if hasattr(cmd, 'required_scope') and cmd.required_scope:
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# let the command decide whether we need a scoped token
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self.client_manager.validate_scope()
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# Trigger the Identity client to initialize
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self.client_manager.auth_ref
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return
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def clean_up(self, cmd, result, err):
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self.log.debug('clean_up %s: %s', cmd.__class__.__name__, err or '')
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# Process collected timing data
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if self.options.timing:
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# Get session data
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self.timing_data.extend(
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self.client_manager.session.get_timings(),
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)
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# Use the Timing pseudo-command to generate the output
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tcmd = timing.Timing(self, self.options)
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tparser = tcmd.get_parser('Timing')
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# If anything other than prettytable is specified, force csv
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format = 'table'
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# Check the formatter used in the actual command
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if hasattr(cmd, 'formatter') \
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and cmd.formatter != cmd._formatter_plugins['table'].obj:
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format = 'csv'
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sys.stdout.write('\n')
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targs = tparser.parse_args(['-f', format])
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tcmd.run(targs)
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def main(argv=None):
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if argv is None:
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argv = sys.argv[1:]
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if six.PY2:
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# Emulate Py3, decode argv into Unicode based on locale so that
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# commands always see arguments as text instead of binary data
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encoding = locale.getpreferredencoding()
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if encoding:
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argv = map(lambda arg: arg.decode(encoding), argv)
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return OpenStackShell().run(argv)
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if __name__ == "__main__":
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sys.exit(main(sys.argv[1:]))
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