ad8c27f8e0
When an user intentionally provides an keyboard interrupt, ironicclient throws the entire traceback on to the terminal instead of handling it. ironicclient will now handle the keyboard interrrupt and provides an crisp message on to the terminal. Change-Id: I8e657dc0cf64fa3396fb8fd32c5ffb57016ce864 Closes-Bug: #1367283
300 lines
11 KiB
Python
300 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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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 Bare Metal Provisioning
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"""
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from __future__ import print_function
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import argparse
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import logging
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import sys
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import httplib2
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import ironicclient
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from ironicclient import client as iroclient
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from ironicclient.common import utils
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from ironicclient import exc
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from ironicclient.openstack.common import cliutils
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from ironicclient.openstack.common import gettextutils
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gettextutils.install('ironicclient')
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class IronicShell(object):
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def get_base_parser(self):
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parser = argparse.ArgumentParser(
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prog='ironic',
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description=__doc__.strip(),
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epilog='See "ironic help COMMAND" '
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'for help on a specific command.',
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add_help=False,
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formatter_class=HelpFormatter,
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)
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# Global arguments
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parser.add_argument('-h', '--help',
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action='store_true',
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help=argparse.SUPPRESS,
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)
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parser.add_argument('--version',
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action='version',
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version=ironicclient.__version__)
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parser.add_argument('--debug',
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default=bool(cliutils.env('IRONICCLIENT_DEBUG')),
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action='store_true',
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help='Defaults to env[IRONICCLIENT_DEBUG]')
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parser.add_argument('-v', '--verbose',
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default=False, action="store_true",
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help="Print more verbose output")
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parser.add_argument('-k', '--insecure',
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default=False,
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action='store_true',
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help="Explicitly allow ironicclient to "
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"perform \"insecure\" SSL (https) requests. "
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"The server's certificate will "
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"not be verified against any certificate "
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"authorities. This option should be used with "
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"caution")
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parser.add_argument('--cert-file',
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help='Path of certificate file to use in SSL '
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'connection. This file can optionally be prepended'
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' with the private key')
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parser.add_argument('--key-file',
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help='Path of client key to use in SSL connection.'
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' This option is not necessary if your key is '
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'prepended to your cert file')
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parser.add_argument('--ca-file',
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help='Path of CA SSL certificate(s) used to verify'
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' the remote server certificate. Without this '
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'option ironic looks for the default system '
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'CA certificates')
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parser.add_argument('--timeout',
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default=600,
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help='Number of seconds to wait for a response')
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parser.add_argument('--os-username',
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default=cliutils.env('OS_USERNAME'),
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help='Defaults to env[OS_USERNAME]')
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parser.add_argument('--os_username',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-password',
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default=cliutils.env('OS_PASSWORD'),
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help='Defaults to env[OS_PASSWORD]')
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parser.add_argument('--os_password',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-id',
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default=cliutils.env('OS_TENANT_ID'),
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help='Defaults to env[OS_TENANT_ID]')
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parser.add_argument('--os_tenant_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-name',
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default=cliutils.env('OS_TENANT_NAME'),
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help='Defaults to env[OS_TENANT_NAME]')
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parser.add_argument('--os_tenant_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-url',
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default=cliutils.env('OS_AUTH_URL'),
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help='Defaults to env[OS_AUTH_URL]')
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parser.add_argument('--os_auth_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-region-name',
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default=cliutils.env('OS_REGION_NAME'),
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help='Defaults to env[OS_REGION_NAME]')
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parser.add_argument('--os_region_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-token',
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default=cliutils.env('OS_AUTH_TOKEN'),
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help='Defaults to env[OS_AUTH_TOKEN]')
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parser.add_argument('--os_auth_token',
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help=argparse.SUPPRESS)
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parser.add_argument('--ironic-url',
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default=cliutils.env('IRONIC_URL'),
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help='Defaults to env[IRONIC_URL]')
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parser.add_argument('--ironic_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--ironic-api-version',
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default=cliutils.env(
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'IRONIC_API_VERSION', default='1'),
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help='Defaults to env[IRONIC_API_VERSION] '
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'or 1')
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parser.add_argument('--ironic_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-service-type',
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default=cliutils.env('OS_SERVICE_TYPE'),
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help='Defaults to env[OS_SERVICE_TYPE]')
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parser.add_argument('--os_service_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-endpoint-type',
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default=cliutils.env('OS_ENDPOINT_TYPE'),
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help='Defaults to env[OS_ENDPOINT_TYPE]')
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parser.add_argument('--os_endpoint_type',
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help=argparse.SUPPRESS)
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return parser
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def get_subcommand_parser(self, version):
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parser = self.get_base_parser()
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self.subcommands = {}
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subparsers = parser.add_subparsers(metavar='<subcommand>')
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submodule = utils.import_versioned_module(version, 'shell')
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submodule.enhance_parser(parser, subparsers, self.subcommands)
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utils.define_commands_from_module(subparsers, self, self.subcommands)
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return parser
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def _setup_debugging(self, debug):
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if debug:
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logging.basicConfig(
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format="%(levelname)s (%(module)s:%(lineno)d) %(message)s",
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level=logging.DEBUG)
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httplib2.debuglevel = 1
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else:
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logging.basicConfig(
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format="%(levelname)s %(message)s",
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level=logging.CRITICAL)
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def _bash_completion(self):
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"""Prints all of the commands and options for bash-completion."""
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commands = set()
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options = set()
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for sc_str, sc in self.subcommands.items():
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commands.add(sc_str)
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for option in sc._optionals._option_string_actions.keys():
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options.add(option)
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print(' '.join(commands | options))
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def main(self, argv):
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# Parse args once to find version
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parser = self.get_base_parser()
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(options, args) = parser.parse_known_args(argv)
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self._setup_debugging(options.debug)
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# build available subcommands based on version
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api_version = options.ironic_api_version
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subcommand_parser = self.get_subcommand_parser(api_version)
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self.parser = subcommand_parser
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# Handle top-level --help/-h before attempting to parse
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# a command off the command line
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if options.help or not argv:
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self.do_help(options)
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return 0
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elif argv[0] == 'bash-completion':
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self._bash_completion()
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return 0
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# Parse args again and call whatever callback was selected
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args = subcommand_parser.parse_args(argv)
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# Short-circuit and deal with help command right away.
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if args.func == self.do_help:
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self.do_help(args)
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return 0
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if not (args.os_auth_token and args.ironic_url):
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if not args.os_username:
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raise exc.CommandError(_("You must provide a username via "
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"either --os-username or via "
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"env[OS_USERNAME]"))
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if not args.os_password:
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raise exc.CommandError(_("You must provide a password via "
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"either --os-password or via "
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"env[OS_PASSWORD]"))
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if not (args.os_tenant_id or args.os_tenant_name):
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raise exc.CommandError(_("You must provide a tenant_id via "
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"either --os-tenant-id or via "
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"env[OS_TENANT_ID]"))
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if not args.os_auth_url:
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raise exc.CommandError(_("You must provide an auth url via "
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"either --os-auth-url or via "
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"env[OS_AUTH_URL]"))
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client = iroclient.get_client(api_version, **(args.__dict__))
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try:
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args.func(client, args)
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except exc.Unauthorized:
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raise exc.CommandError(_("Invalid OpenStack Identity credentials"))
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@cliutils.arg('command', metavar='<subcommand>', nargs='?',
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help='Display help for <subcommand>')
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def do_help(self, args):
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"""Display help about this program or one of its subcommands."""
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if getattr(args, 'command', None):
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if args.command in self.subcommands:
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self.subcommands[args.command].print_help()
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else:
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raise exc.CommandError(_("'%s' is not a valid subcommand") %
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args.command)
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else:
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self.parser.print_help()
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class HelpFormatter(argparse.HelpFormatter):
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def start_section(self, heading):
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# Title-case the headings
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heading = '%s%s' % (heading[0].upper(), heading[1:])
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super(HelpFormatter, self).start_section(heading)
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def main():
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try:
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IronicShell().main(sys.argv[1:])
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except KeyboardInterrupt:
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print("... terminating ironic client", file=sys.stderr)
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sys.exit(130)
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except Exception as e:
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print(str(e), file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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