a0481e1c80
Nova delete command deletes an instance by name
or ID. Nova delete command is able to delete an
instance within the same the tenant by name or
ID. When admin credentials are sourced and try
to delete a non admin tenant instances, nova
delete command is able to delete an instance by
ID only, it is not able to delete an instance by
name.
Nova delete command deletes an instances by id
using following api call
/v2/{tenant_id}/servers/{server_id}
But to delete an instance by name, nova delete
command first find the resources by name using
following api call
/servers?name={server_name}
This api call is not able to retrive the list
of other tenant instances.
Adding all tenants parameter to this api call
will retrive the list of other tenant
instances. The following will be new api
call
/servers?all_tenants=1&name={server_name}
Closes-Bug: #1247030
Change-Id: I03e578d58214c835d9a411752bd618d77ced37ff
240 lines
8.0 KiB
Python
240 lines
8.0 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
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# Copyright 2011 OpenStack Foundation
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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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"""
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Base utilities to build API operation managers and objects on top of.
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"""
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import abc
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import inspect
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import six
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from novaclient import exceptions
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from novaclient.openstack.common.apiclient import base
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Resource = base.Resource
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def getid(obj):
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"""
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Abstracts the common pattern of allowing both an object or an object's ID
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as a parameter when dealing with relationships.
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"""
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try:
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return obj.id
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except AttributeError:
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return obj
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class Manager(base.HookableMixin):
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"""
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Managers interact with a particular type of API (servers, flavors, images,
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etc.) and provide CRUD operations for them.
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"""
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resource_class = None
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def __init__(self, api):
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self.api = api
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def _write_object_to_completion_cache(self, obj):
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if hasattr(self.api, 'write_object_to_completion_cache'):
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self.api.write_object_to_completion_cache(obj)
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def _clear_completion_cache_for_class(self, obj_class):
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if hasattr(self.api, 'clear_completion_cache_for_class'):
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self.api.clear_completion_cache_for_class(obj_class)
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def _list(self, url, response_key, obj_class=None, body=None):
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if body:
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_resp, body = self.api.client.post(url, body=body)
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else:
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_resp, body = self.api.client.get(url)
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if obj_class is None:
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obj_class = self.resource_class
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data = body[response_key]
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# NOTE(ja): keystone returns values as list as {'values': [ ... ]}
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# unlike other services which just return the list...
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if isinstance(data, dict):
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try:
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data = data['values']
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except KeyError:
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pass
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self._clear_completion_cache_for_class(obj_class)
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objs = []
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for res in data:
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if res:
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obj = obj_class(self, res, loaded=True)
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self._write_object_to_completion_cache(obj)
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objs.append(obj)
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return objs
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def _get(self, url, response_key):
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_resp, body = self.api.client.get(url)
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obj = self.resource_class(self, body[response_key], loaded=True)
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self._write_object_to_completion_cache(obj)
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return obj
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def _create(self, url, body, response_key, return_raw=False, **kwargs):
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self.run_hooks('modify_body_for_create', body, **kwargs)
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_resp, body = self.api.client.post(url, body=body)
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if return_raw:
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return body[response_key]
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obj = self.resource_class(self, body[response_key])
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self._write_object_to_completion_cache(obj)
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return obj
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def _delete(self, url):
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_resp, _body = self.api.client.delete(url)
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def _update(self, url, body, response_key=None, **kwargs):
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self.run_hooks('modify_body_for_update', body, **kwargs)
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_resp, body = self.api.client.put(url, body=body)
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if body:
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if response_key:
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return self.resource_class(self, body[response_key])
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else:
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return self.resource_class(self, body)
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@six.add_metaclass(abc.ABCMeta)
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class ManagerWithFind(Manager):
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"""
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Like a `Manager`, but with additional `find()`/`findall()` methods.
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"""
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@abc.abstractmethod
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def list(self):
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pass
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def find(self, **kwargs):
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"""
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Find a single item with attributes matching ``**kwargs``.
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"""
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matches = self.findall(**kwargs)
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num_matches = len(matches)
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if num_matches == 0:
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msg = "No %s matching %s." % (self.resource_class.__name__, kwargs)
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raise exceptions.NotFound(404, msg)
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elif num_matches > 1:
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raise exceptions.NoUniqueMatch
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else:
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return matches[0]
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def findall(self, **kwargs):
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"""
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Find all items with attributes matching ``**kwargs``.
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"""
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found = []
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searches = kwargs.items()
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detailed = True
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list_kwargs = {}
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list_argspec = inspect.getargspec(self.list)
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if 'detailed' in list_argspec.args:
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detailed = ("human_id" not in kwargs and
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"name" not in kwargs and
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"display_name" not in kwargs)
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list_kwargs['detailed'] = detailed
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if 'is_public' in list_argspec.args and 'is_public' in kwargs:
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is_public = kwargs['is_public']
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list_kwargs['is_public'] = is_public
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if is_public is None:
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tmp_kwargs = kwargs.copy()
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del tmp_kwargs['is_public']
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searches = tmp_kwargs.items()
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if 'search_opts' in list_argspec.args:
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# pass search_opts in to do server side based filtering.
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# TODO(jogo) not all search_opts support regex, find way to
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# identify when to use regex and when to use string matching.
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# volumes does not support regex while servers does. So when
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# doing findall on servers some client side filtering is still
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# needed.
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if "human_id" in kwargs:
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list_kwargs['search_opts'] = {"name": kwargs["human_id"]}
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elif "name" in kwargs:
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list_kwargs['search_opts'] = {"name": kwargs["name"]}
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elif "display_name" in kwargs:
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list_kwargs['search_opts'] = {"name": kwargs["display_name"]}
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if "all_tenants" in kwargs:
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all_tenants = kwargs['all_tenants']
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list_kwargs['search_opts']['all_tenants'] = all_tenants
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searches = [(k, v) for k, v in searches if k != 'all_tenants']
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listing = self.list(**list_kwargs)
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for obj in listing:
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try:
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if all(getattr(obj, attr) == value
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for (attr, value) in searches):
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if detailed:
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found.append(obj)
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else:
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found.append(self.get(obj.id))
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except AttributeError:
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continue
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return found
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class BootingManagerWithFind(ManagerWithFind):
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"""Like a `ManagerWithFind`, but has the ability to boot servers."""
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def _parse_block_device_mapping(self, block_device_mapping):
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bdm = []
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for device_name, mapping in six.iteritems(block_device_mapping):
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#
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# The mapping is in the format:
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# <id>:[<type>]:[<size(GB)>]:[<delete_on_terminate>]
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#
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bdm_dict = {'device_name': device_name}
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mapping_parts = mapping.split(':')
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source_id = mapping_parts[0]
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bdm_dict['uuid'] = source_id
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bdm_dict['boot_index'] = 0
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if len(mapping_parts) == 1:
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bdm_dict['volume_id'] = source_id
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bdm_dict['source_type'] = 'volume'
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elif len(mapping_parts) > 1:
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source_type = mapping_parts[1]
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bdm_dict['source_type'] = source_type
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if source_type.startswith('snap'):
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bdm_dict['snapshot_id'] = source_id
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else:
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bdm_dict['volume_id'] = source_id
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if len(mapping_parts) > 2 and mapping_parts[2]:
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bdm_dict['volume_size'] = str(int(mapping_parts[2]))
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if len(mapping_parts) > 3:
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bdm_dict['delete_on_termination'] = mapping_parts[3]
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bdm.append(bdm_dict)
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return bdm
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