f500587c83
This bug was caused by mixing admin commands with tenanted commands. Now all admin specific commands won't pass the tenant_id when constructing the url. The non-admin counterparts of these commands are extracted into separate commands. Change-Id: I82d75254468ec978da99aa2a612a67e9e39c3f51
243 lines
8.3 KiB
Python
243 lines
8.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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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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"""CLI interface for common Melange client opertaions.
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Simple cli for creating ip blocks, adding policies and rules for ip address
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allocations from these blocks.
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"""
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import optparse
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import os
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from os import environ as env
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import sys
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import yaml
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from melange.client import client as base_client
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from melange.client import exception
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from melange.client import inspector
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from melange.client import ipam_client
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from melange.client import template
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def create_options(parser):
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"""Sets up the CLI and config-file options.
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:param parser: The option parser
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:returns: None
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"""
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parser.add_option('-v', '--verbose', default=False, action="store_true",
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help="Print more verbose output")
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parser.add_option('-H', '--host', metavar="ADDRESS", default="0.0.0.0",
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help="Address of Melange API host. "
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"Default: %default")
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parser.add_option('-p', '--port', dest="port", metavar="PORT",
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type=int, default=9898,
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help="Port the Melange API host listens on. "
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"Default: %default")
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parser.add_option('-t', '--tenant', dest="tenant", metavar="TENANT",
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type=str, default=env.get('MELANGE_TENANT', None),
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help="tenant id in case of tenant resources")
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parser.add_option('--auth-token', dest="auth_token",
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metavar="MELANGE_AUTH_TOKEN",
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default=env.get('MELANGE_AUTH_TOKEN', None),
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type=str, help="Auth token received from keystone")
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parser.add_option('-u', '--username', dest="username",
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metavar="MELANGE_USERNAME",
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default=env.get('MELANGE_USERNAME', None),
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type=str, help="Melange user name")
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parser.add_option('-k', '--api-key', dest="api_key",
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metavar="MELANGE_API_KEY",
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default=env.get('MELANGE_API_KEY', None),
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type=str, help="Melange access key")
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parser.add_option('-a', '--auth-url', dest="auth_url",
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metavar="MELANGE_AUTH_URL", type=str,
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default=env.get('MELANGE_AUTH_URL', None),
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help="Url of keystone service")
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parser.add_option('--timeout', dest="timeout",
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metavar="MELANGE_TIME_OUT", type=int,
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default=env.get('MELANGE_TIME_OUT', None),
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help="timeout for melange client operations")
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def parse_options(parser, cli_args):
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"""Parses CLI options.
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Returns parsed CLI options, command to run and its arguments, merged
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with any same-named options found in a configuration file
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:param parser: The option parser
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:returns: (options, args)
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"""
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(options, args) = parser.parse_args(cli_args)
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if not args:
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parser.print_usage()
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sys.exit(2)
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return (options, args)
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def usage():
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usage = """
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%prog category action [args] [options]
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Available categories:
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"""
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return usage + client_category_usage()
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def client_category_usage():
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usage = "\n"
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for category in client_categories:
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usage = usage + ("\t%s\n" % category)
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return usage
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client_categories = ['ip_block', 'subnet', 'policy', 'unusable_ip_range',
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'unusable_ip_octet', 'allocated_ip',
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'tenant_allocated_ip', 'ip_address', 'ip_route',
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'interface', 'tenant_interface', 'mac_address_range',
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'allowed_ip']
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def lookup_methods(name, hash):
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result = hash.get(name, None)
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if not result:
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print "The second parameter should be one of the following:"
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print_keys(hash)
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sys.exit(2)
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return result
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def lookup_client_categories(category, factory):
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category_class = getattr(factory, category, None)
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if not category_class:
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print "The first parameter should be one of the following:"
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print client_category_usage()
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sys.exit(2)
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return category_class
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def print_keys(hash):
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for k, _v in hash.iteritems():
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print "\t%s" % k
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def auth_client(options):
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if options.auth_url or options.auth_token:
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return base_client.AuthorizationClient(options.auth_url,
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options.username,
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options.api_key,
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options.auth_token)
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def view(data, template_name):
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data = data or {}
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try:
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# TODO(jkoelker) Templates should be using the PEP302 get_data api
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melange_client_file = sys.modules['melange.client'].__file__
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melange_path = os.path.dirname(melange_client_file)
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view_path = os.path.join(melange_path, 'views')
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return template.template(template_name,
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template_lookup=[view_path], **data)
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except exception.TemplateNotFoundError:
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return yaml.safe_dump(data, indent=4, default_flow_style=False)
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def args_to_dict(args):
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try:
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return dict(arg.split("=") for arg in args)
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except ValueError:
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raise exception.MelangeClientError("Action arguments should be "
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"of the form of field=value")
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def main(script_name=None, argv=None):
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if argv is None:
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argv = sys.argv[1:]
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if script_name is None:
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script_name = os.path.basename(sys.argv[0])
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oparser = optparse.OptionParser(version='%%prog 0.1',
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usage=usage())
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create_options(oparser)
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(options, args) = parse_options(oparser, argv)
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category = args.pop(0)
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factory = ipam_client.Factory(options.host,
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options.port,
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timeout=options.timeout,
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auth_url=options.auth_url,
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username=options.username,
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api_key=options.api_key,
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auth_token=options.auth_token,
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tenant_id=options.tenant)
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client = lookup_client_categories(category, factory)
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client_actions = inspector.ClassInspector(client).methods()
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if len(args) < 1:
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print _("Usage: %s category action [<args>]") % script_name
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print _("Available actions for %s category:") % category
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print_keys(client_actions)
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sys.exit(2)
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if client.TENANT_ID_REQUIRED and not options.tenant:
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print _("Please provide a tenant id for this action."
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"You can use option '-t' to provide the tenant id.")
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sys.exit(2)
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action = args.pop(0)
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fn = lookup_methods(action, client_actions)
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def get_response(fn, args):
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try:
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response = fn(**args_to_dict(args))
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return response
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except TypeError:
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print _("Possible wrong number of arguments supplied")
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print _("Usage: %s %s %s") % (script_name,
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category,
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inspector.MethodInspector(fn))
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if options.verbose:
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raise
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sys.exit(2)
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try:
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response = get_response(fn, args)
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template_name = category + "_" + action + ".tpl"
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print view(response, template_name=template_name)
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except exception.MelangeServiceResponseError as server_error:
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print _("The server returned an error:")
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print server_error
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sys.exit(1)
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except exception.MelangeClientError as client_error:
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print client_error
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sys.exit(2)
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except Exception:
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if options.verbose:
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raise
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else:
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print _("Command failed, please check log for more info")
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sys.exit(2)
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