/usr/lib/python2.6/site-packages/neutronclient/neutron/v2_0
Edit: /usr/lib/python2.6/site-packages/neutronclient/neutron/v2_0/__init__.py (28608B)
# Copyright 2012 OpenStack Foundation.
# All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
from __future__ import print_function
import abc
import argparse
import logging
import re
from cliff.formatters import table
from cliff import lister
from cliff import show
from oslo_serialization import jsonutils
import six
from neutronclient.common import command
from neutronclient.common import exceptions
from neutronclient.common import utils
from neutronclient.i18n import _
HEX_ELEM = '[0-9A-Fa-f]'
UUID_PATTERN = '-'.join([HEX_ELEM + '{8}', HEX_ELEM + '{4}',
HEX_ELEM + '{4}', HEX_ELEM + '{4}',
HEX_ELEM + '{12}'])
def _get_resource_plural(resource, client):
plurals = getattr(client, 'EXTED_PLURALS', [])
for k in plurals:
if plurals[k] == resource:
return k
return resource + 's'
def find_resource_by_id(client, resource, resource_id, cmd_resource=None,
parent_id=None, fields=None):
if not cmd_resource:
cmd_resource = resource
cmd_resource_plural = _get_resource_plural(cmd_resource, client)
resource_plural = _get_resource_plural(resource, client)
obj_lister = getattr(client, "list_%s" % cmd_resource_plural)
# perform search by id only if we are passing a valid UUID
match = re.match(UUID_PATTERN, resource_id)
collection = resource_plural
if match:
params = {'id': resource_id}
if fields:
params['fields'] = fields
if parent_id:
data = obj_lister(parent_id, **params)
else:
data = obj_lister(**params)
if data and data[collection]:
return data[collection][0]
not_found_message = (_("Unable to find %(resource)s with id "
"'%(id)s'") %
{'resource': resource, 'id': resource_id})
# 404 is used to simulate server side behavior
raise exceptions.NeutronClientException(
message=not_found_message, status_code=404)
def find_resourceid_by_id(client, resource, resource_id, cmd_resource=None,
parent_id=None):
info = find_resource_by_id(client, resource, resource_id, cmd_resource,
parent_id, fields='id')
return info['id']
def _find_resource_by_name(client, resource, name, project_id=None,
cmd_resource=None, parent_id=None, fields=None):
if not cmd_resource:
cmd_resource = resource
cmd_resource_plural = _get_resource_plural(cmd_resource, client)
resource_plural = _get_resource_plural(resource, client)
obj_lister = getattr(client, "list_%s" % cmd_resource_plural)
params = {'name': name}
if fields:
params['fields'] = fields
if project_id:
params['tenant_id'] = project_id
if parent_id:
data = obj_lister(parent_id, **params)
else:
data = obj_lister(**params)
collection = resource_plural
info = data[collection]
if len(info) > 1:
raise exceptions.NeutronClientNoUniqueMatch(resource=resource,
name=name)
elif len(info) == 0:
not_found_message = (_("Unable to find %(resource)s with name "
"'%(name)s'") %
{'resource': resource, 'name': name})
# 404 is used to simulate server side behavior
raise exceptions.NeutronClientException(
message=not_found_message, status_code=404)
else:
return info[0]
def find_resource_by_name_or_id(client, resource, name_or_id,
project_id=None, cmd_resource=None,
parent_id=None, fields=None):
try:
return find_resource_by_id(client, resource, name_or_id,
cmd_resource, parent_id, fields)
except exceptions.NeutronClientException:
return _find_resource_by_name(client, resource, name_or_id,
project_id, cmd_resource, parent_id,
fields)
def find_resourceid_by_name_or_id(client, resource, name_or_id,
project_id=None, cmd_resource=None,
parent_id=None):
return find_resource_by_name_or_id(client, resource, name_or_id,
project_id, cmd_resource,
parent_id, fields='id')['id']
def add_show_list_common_argument(parser):
parser.add_argument(
'-D', '--show-details',
help=_('Show detailed information.'),
action='store_true',
default=False, )
parser.add_argument(
'--show_details',
action='store_true',
help=argparse.SUPPRESS)
parser.add_argument(
'--fields',
help=argparse.SUPPRESS,
action='append',
default=[])
parser.add_argument(
'-F', '--field',
dest='fields', metavar='FIELD',
help=_('Specify the field(s) to be returned by server. You can '
'repeat this option.'),
action='append',
default=[])
def add_pagination_argument(parser):
parser.add_argument(
'-P', '--page-size',
dest='page_size', metavar='SIZE', type=int,
help=_("Specify retrieve unit of each request, then split one request "
"to several requests."),
default=None)
def add_sorting_argument(parser):
parser.add_argument(
'--sort-key',
dest='sort_key', metavar='FIELD',
action='append',
help=_("Sorts the list by the specified fields in the specified "
"directions. You can repeat this option, but you must "
"specify an equal number of sort_dir and sort_key values. "
"Extra sort_dir options are ignored. Missing sort_dir options "
"use the default asc value."),
default=[])
parser.add_argument(
'--sort-dir',
dest='sort_dir', metavar='{asc,desc}',
help=_("Sorts the list in the specified direction. You can repeat "
"this option."),
action='append',
default=[],
choices=['asc', 'desc'])
def is_number(s):
try:
float(s) # for int, long and float
except ValueError:
try:
complex(s) # for complex
except ValueError:
return False
return True
def _process_previous_argument(current_arg, _value_number, current_type_str,
_list_flag, _values_specs, _clear_flag,
values_specs):
if current_arg is not None:
if _value_number == 0 and (current_type_str or _list_flag):
# This kind of argument should have value
raise exceptions.CommandError(
_("Invalid values_specs %s") % ' '.join(values_specs))
if _value_number > 1 or _list_flag or current_type_str == 'list':
current_arg.update({'nargs': '+'})
elif _value_number == 0:
if _clear_flag:
# if we have action=clear, we use argument's default
# value None for argument
_values_specs.pop()
else:
# We assume non value argument as bool one
current_arg.update({'action': 'store_true'})
def parse_args_to_dict(values_specs):
"""It is used to analyze the extra command options to command.
Besides known options and arguments, our commands also support user to
put more options to the end of command line. For example,
list_nets -- --tag x y --key1 value1, where '-- --tag x y --key1 value1'
is extra options to our list_nets. This feature can support V2.0 API's
fields selection and filters. For example, to list networks which has name
'test4', we can have list_nets -- --name=test4.
value spec is: --key type=int|bool|... value. Type is one of Python
built-in types. By default, type is string. The key without value is
a bool option. Key with two values will be a list option.
"""
# values_specs for example: '-- --tag x y --key1 type=int value1'
# -- is a pseudo argument
values_specs_copy = values_specs[:]
if values_specs_copy and values_specs_copy[0] == '--':
del values_specs_copy[0]
# converted ArgumentParser arguments for each of the options
_options = {}
# the argument part for current option in _options
current_arg = None
# the string after remove meta info in values_specs
# for example, '--tag x y --key1 value1'
_values_specs = []
# record the count of values for an option
# for example: for '--tag x y', it is 2, while for '--key1 value1', it is 1
_value_number = 0
# list=true
_list_flag = False
# action=clear
_clear_flag = False
# the current item in values_specs
current_item = None
# the str after 'type='
current_type_str = None
for _item in values_specs_copy:
if _item.startswith('--'):
# Deal with previous argument if any
_process_previous_argument(
current_arg, _value_number, current_type_str,
_list_flag, _values_specs, _clear_flag, values_specs)
# Init variables for current argument
current_item = _item
_list_flag = False
_clear_flag = False
current_type_str = None
if "=" in _item:
_value_number = 1
_item = _item.split('=')[0]
else:
_value_number = 0
if _item in _options:
raise exceptions.CommandError(
_("Duplicated options %s") % ' '.join(values_specs))
else:
_options.update({_item: {}})
current_arg = _options[_item]
_item = current_item
elif _item.startswith('type='):
if current_arg is None:
raise exceptions.CommandError(
_("Invalid values_specs %s") % ' '.join(values_specs))
if 'type' not in current_arg:
current_type_str = _item.split('=', 2)[1]
current_arg.update({'type': eval(current_type_str)})
if current_type_str == 'bool':
current_arg.update({'type': utils.str2bool})
elif current_type_str == 'dict':
current_arg.update({'type': utils.str2dict})
continue
elif _item == 'list=true':
_list_flag = True
continue
elif _item == 'action=clear':
_clear_flag = True
continue
if not _item.startswith('--'):
# All others are value items
# Make sure '--' occurs first and allow minus value
if (not current_item or '=' in current_item or
_item.startswith('-') and not is_number(_item)):
raise exceptions.CommandError(
_("Invalid values_specs %s") % ' '.join(values_specs))
_value_number += 1
if _item.startswith('---'):
raise exceptions.CommandError(
_("Invalid values_specs %s") % ' '.join(values_specs))
_values_specs.append(_item)
# Deal with last one argument
_process_previous_argument(
current_arg, _value_number, current_type_str,
_list_flag, _values_specs, _clear_flag, values_specs)
# Populate the parser with arguments
_parser = argparse.ArgumentParser(add_help=False)
for opt, optspec in six.iteritems(_options):
_parser.add_argument(opt, **optspec)
_args = _parser.parse_args(_values_specs)
result_dict = {}
for opt in six.iterkeys(_options):
_opt = opt.split('--', 2)[1]
_opt = _opt.replace('-', '_')
_value = getattr(_args, _opt)
result_dict.update({_opt: _value})
return result_dict
def _merge_args(qCmd, parsed_args, _extra_values, value_specs):
"""Merge arguments from _extra_values into parsed_args.
If an argument value are provided in both and it is a list,
the values in _extra_values will be merged into parsed_args.
@param parsed_args: the parsed args from known options
@param _extra_values: the other parsed arguments in unknown parts
@param values_specs: the unparsed unknown parts
"""
temp_values = _extra_values.copy()
for key, value in six.iteritems(temp_values):
if hasattr(parsed_args, key):
arg_value = getattr(parsed_args, key)
if arg_value is not None and value is not None:
if isinstance(arg_value, list):
if value and isinstance(value, list):
if (not arg_value or
type(arg_value[0]) == type(value[0])):
arg_value.extend(value)
_extra_values.pop(key)
def update_dict(obj, dict, attributes):
"""Update dict with fields from obj.attributes.
:param obj: the object updated into dict
:param dict: the result dictionary
:param attributes: a list of attributes belonging to obj
"""
for attribute in attributes:
if hasattr(obj, attribute) and getattr(obj, attribute) is not None:
dict[attribute] = getattr(obj, attribute)
class TableFormater(table.TableFormatter):
"""This class is used to keep consistency with prettytable 0.6.
https://bugs.launchpad.net/python-neutronclient/+bug/1165962
"""
def emit_list(self, column_names, data, stdout, parsed_args):
if column_names:
super(TableFormater, self).emit_list(column_names, data, stdout,
parsed_args)
else:
stdout.write('\n')
# command.OpenStackCommand is abstract class so that metaclass of
# subclass must be subclass of metaclass of all its base.
# otherwise metaclass conflict exception is raised.
class NeutronCommandMeta(abc.ABCMeta):
def __new__(cls, name, bases, cls_dict):
if 'log' not in cls_dict:
cls_dict['log'] = logging.getLogger(
cls_dict['__module__'] + '.' + name)
return super(NeutronCommandMeta, cls).__new__(cls,
name, bases, cls_dict)
@six.add_metaclass(NeutronCommandMeta)
class NeutronCommand(command.OpenStackCommand):
api = 'network'
values_specs = []
json_indent = None
resource = None
shadow_resource = None
parent_id = None
def __init__(self, app, app_args):
super(NeutronCommand, self).__init__(app, app_args)
# NOTE(markmcclain): This is no longer supported in cliff version 1.5.2
# see https://bugs.launchpad.net/python-neutronclient/+bug/1265926
# if hasattr(self, 'formatters'):
# self.formatters['table'] = TableFormater()
@property
def cmd_resource(self):
if self.shadow_resource:
return self.shadow_resource
return self.resource
def get_client(self):
return self.app.client_manager.neutron
def get_parser(self, prog_name):
parser = super(NeutronCommand, self).get_parser(prog_name)
parser.add_argument(
'--request-format',
help=_('The XML or JSON request format.'),
default='json',
choices=['json', 'xml', ], )
parser.add_argument(
'--request_format',
choices=['json', 'xml', ],
help=argparse.SUPPRESS)
return parser
def cleanup_output_data(self, data):
pass
def format_output_data(self, data):
self.cleanup_output_data(data)
# Modify data to make it more readable
if self.resource in data:
for k, v in six.iteritems(data[self.resource]):
if isinstance(v, list):
value = '\n'.join(jsonutils.dumps(
i, indent=self.json_indent) if isinstance(i, dict)
else str(i) for i in v)
data[self.resource][k] = value
elif isinstance(v, dict):
value = jsonutils.dumps(v, indent=self.json_indent)
data[self.resource][k] = value
elif v is None:
data[self.resource][k] = ''
def add_known_arguments(self, parser):
pass
def set_extra_attrs(self, parsed_args):
pass
def args2body(self, parsed_args):
return {}
class CreateCommand(NeutronCommand, show.ShowOne):
"""Create a resource for a given tenant."""
api = 'network'
log = None
def get_parser(self, prog_name):
parser = super(CreateCommand, self).get_parser(prog_name)
parser.add_argument(
'--tenant-id', metavar='TENANT_ID',
help=_('The owner tenant ID.'), )
parser.add_argument(
'--tenant_id',
help=argparse.SUPPRESS)
self.add_known_arguments(parser)
return parser
def get_data(self, parsed_args):
self.log.debug('get_data(%s)' % parsed_args)
self.set_extra_attrs(parsed_args)
neutron_client = self.get_client()
neutron_client.format = parsed_args.request_format
_extra_values = parse_args_to_dict(self.values_specs)
_merge_args(self, parsed_args, _extra_values,
self.values_specs)
body = self.args2body(parsed_args)
body[self.resource].update(_extra_values)
obj_creator = getattr(neutron_client,
"create_%s" % self.cmd_resource)
if self.parent_id:
data = obj_creator(self.parent_id, body)
else:
data = obj_creator(body)
self.format_output_data(data)
info = self.resource in data and data[self.resource] or None
if info:
print(_('Created a new %s:') % self.resource,
file=self.app.stdout)
else:
info = {'': ''}
return zip(*sorted(six.iteritems(info)))
class UpdateCommand(NeutronCommand):
"""Update resource's information."""
api = 'network'
log = None
allow_names = True
def get_parser(self, prog_name):
parser = super(UpdateCommand, self).get_parser(prog_name)
if self.allow_names:
help_str = _('ID or name of %s to update.')
else:
help_str = _('ID of %s to update.')
parser.add_argument(
'id', metavar=self.resource.upper(),
help=help_str % self.resource)
self.add_known_arguments(parser)
return parser
def run(self, parsed_args):
self.log.debug('run(%s)', parsed_args)
self.set_extra_attrs(parsed_args)
neutron_client = self.get_client()
neutron_client.format = parsed_args.request_format
_extra_values = parse_args_to_dict(self.values_specs)
_merge_args(self, parsed_args, _extra_values,
self.values_specs)
body = self.args2body(parsed_args)
if self.resource in body:
body[self.resource].update(_extra_values)
else:
body[self.resource] = _extra_values
if not body[self.resource]:
raise exceptions.CommandError(
_("Must specify new values to update %s") %
self.cmd_resource)
if self.allow_names:
_id = find_resourceid_by_name_or_id(
neutron_client, self.resource, parsed_args.id,
cmd_resource=self.cmd_resource, parent_id=self.parent_id)
else:
_id = find_resourceid_by_id(
neutron_client, self.resource, parsed_args.id,
self.cmd_resource, self.parent_id)
obj_updater = getattr(neutron_client,
"update_%s" % self.cmd_resource)
if self.parent_id:
obj_updater(_id, self.parent_id, body)
else:
obj_updater(_id, body)
print((_('Updated %(resource)s: %(id)s') %
{'id': parsed_args.id, 'resource': self.resource}),
file=self.app.stdout)
return
class DeleteCommand(NeutronCommand):
"""Delete a given resource."""
api = 'network'
log = None
allow_names = True
def get_parser(self, prog_name):
parser = super(DeleteCommand, self).get_parser(prog_name)
if self.allow_names:
help_str = _('ID or name of %s to delete.')
else:
help_str = _('ID of %s to delete.')
parser.add_argument(
'id', metavar=self.resource.upper(),
help=help_str % self.resource)
self.add_known_arguments(parser)
return parser
def run(self, parsed_args):
self.log.debug('run(%s)', parsed_args)
self.set_extra_attrs(parsed_args)
neutron_client = self.get_client()
neutron_client.format = parsed_args.request_format
obj_deleter = getattr(neutron_client,
"delete_%s" % self.cmd_resource)
if self.allow_names:
params = {'cmd_resource': self.cmd_resource,
'parent_id': self.parent_id}
_id = find_resourceid_by_name_or_id(neutron_client,
self.resource,
parsed_args.id,
**params)
else:
_id = parsed_args.id
if self.parent_id:
obj_deleter(_id, self.parent_id)
else:
obj_deleter(_id)
print((_('Deleted %(resource)s: %(id)s')
% {'id': parsed_args.id,
'resource': self.resource}),
file=self.app.stdout)
return
class ListCommand(NeutronCommand, lister.Lister):
"""List resources that belong to a given tenant."""
api = 'network'
log = None
_formatters = {}
list_columns = []
unknown_parts_flag = True
pagination_support = False
sorting_support = False
def get_parser(self, prog_name):
parser = super(ListCommand, self).get_parser(prog_name)
add_show_list_common_argument(parser)
if self.pagination_support:
add_pagination_argument(parser)
if self.sorting_support:
add_sorting_argument(parser)
self.add_known_arguments(parser)
return parser
def args2search_opts(self, parsed_args):
search_opts = {}
fields = parsed_args.fields
if parsed_args.fields:
search_opts.update({'fields': fields})
if parsed_args.show_details:
search_opts.update({'verbose': 'True'})
return search_opts
def call_server(self, neutron_client, search_opts, parsed_args):
resource_plural = _get_resource_plural(self.cmd_resource,
neutron_client)
obj_lister = getattr(neutron_client, "list_%s" % resource_plural)
if self.parent_id:
data = obj_lister(self.parent_id, **search_opts)
else:
data = obj_lister(**search_opts)
return data
def retrieve_list(self, parsed_args):
"""Retrieve a list of resources from Neutron server."""
neutron_client = self.get_client()
neutron_client.format = parsed_args.request_format
_extra_values = parse_args_to_dict(self.values_specs)
_merge_args(self, parsed_args, _extra_values,
self.values_specs)
search_opts = self.args2search_opts(parsed_args)
search_opts.update(_extra_values)
if self.pagination_support:
page_size = parsed_args.page_size
if page_size:
search_opts.update({'limit': page_size})
if self.sorting_support:
keys = parsed_args.sort_key
if keys:
search_opts.update({'sort_key': keys})
dirs = parsed_args.sort_dir
len_diff = len(keys) - len(dirs)
if len_diff > 0:
dirs += ['asc'] * len_diff
elif len_diff < 0:
dirs = dirs[:len(keys)]
if dirs:
search_opts.update({'sort_dir': dirs})
data = self.call_server(neutron_client, search_opts, parsed_args)
collection = _get_resource_plural(self.resource, neutron_client)
return data.get(collection, [])
def extend_list(self, data, parsed_args):
"""Update a retrieved list.
This method provides a way to modify a original list returned from
the neutron server. For example, you can add subnet cidr information
to a list network.
"""
pass
def setup_columns(self, info, parsed_args):
_columns = len(info) > 0 and sorted(info[0].keys()) or []
if not _columns:
# clean the parsed_args.columns so that cliff will not break
parsed_args.columns = []
elif parsed_args.columns:
_columns = [x for x in parsed_args.columns if x in _columns]
elif self.list_columns:
# if no -c(s) by user and list_columns, we use columns in
# both list_columns and returned resource.
# Also Keep their order the same as in list_columns
_columns = [x for x in self.list_columns if x in _columns]
formatters = self._formatters
if hasattr(self, '_formatters_csv') and parsed_args.formatter == 'csv':
formatters = self._formatters_csv
return (_columns, (utils.get_item_properties(
s, _columns, formatters=formatters, )
for s in info), )
def get_data(self, parsed_args):
self.log.debug('get_data(%s)', parsed_args)
self.set_extra_attrs(parsed_args)
data = self.retrieve_list(parsed_args)
self.extend_list(data, parsed_args)
return self.setup_columns(data, parsed_args)
class ShowCommand(NeutronCommand, show.ShowOne):
"""Show information of a given resource."""
api = 'network'
log = None
allow_names = True
def get_parser(self, prog_name):
parser = super(ShowCommand, self).get_parser(prog_name)
add_show_list_common_argument(parser)
if self.allow_names:
help_str = _('ID or name of %s to look up.')
else:
help_str = _('ID of %s to look up.')
parser.add_argument(
'id', metavar=self.resource.upper(),
help=help_str % self.resource)
self.add_known_arguments(parser)
return parser
def get_data(self, parsed_args):
self.log.debug('get_data(%s)', parsed_args)
self.set_extra_attrs(parsed_args)
neutron_client = self.get_client()
neutron_client.format = parsed_args.request_format
params = {}
if parsed_args.show_details:
params = {'verbose': 'True'}
if parsed_args.fields:
params = {'fields': parsed_args.fields}
if self.allow_names:
_id = find_resourceid_by_name_or_id(neutron_client,
self.resource,
parsed_args.id,
cmd_resource=self.cmd_resource,
parent_id=self.parent_id)
else:
_id = parsed_args.id
obj_shower = getattr(neutron_client, "show_%s" % self.cmd_resource)
if self.parent_id:
data = obj_shower(_id, self.parent_id, **params)
else:
data = obj_shower(_id, **params)
self.format_output_data(data)
resource = data[self.resource]
if self.resource in data:
return zip(*sorted(six.iteritems(resource)))
else:
return None