Merge "Add apiclient library from oslo-incubator"
This commit is contained in:
Jenkins
Gerrit Code Review
commit
5f3d6ee7d2
532
magnumclient/openstack/common/apiclient/base.py
Normal file
532
magnumclient/openstack/common/apiclient/base.py
Normal file
@ -0,0 +1,532 @@
|
||||
# Copyright 2010 Jacob Kaplan-Moss
|
||||
# Copyright 2011 OpenStack Foundation
|
||||
# Copyright 2012 Grid Dynamics
|
||||
# Copyright 2013 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.
|
||||
|
||||
"""
|
||||
Base utilities to build API operation managers and objects on top of.
|
||||
"""
|
||||
|
||||
########################################################################
|
||||
#
|
||||
# THIS MODULE IS DEPRECATED
|
||||
#
|
||||
# Please refer to
|
||||
# https://etherpad.openstack.org/p/kilo-magnumclient-library-proposals for
|
||||
# the discussion leading to this deprecation.
|
||||
#
|
||||
# We recommend checking out the python-openstacksdk project
|
||||
# (https://launchpad.net/python-openstacksdk) instead.
|
||||
#
|
||||
########################################################################
|
||||
|
||||
|
||||
# E1102: %s is not callable
|
||||
# pylint: disable=E1102
|
||||
|
||||
import abc
|
||||
import copy
|
||||
|
||||
from oslo.utils import strutils
|
||||
import six
|
||||
from six.moves.urllib import parse
|
||||
|
||||
from magnumclient.openstack.common._i18n import _
|
||||
from magnumclient.openstack.common.apiclient import exceptions
|
||||
|
||||
|
||||
def getid(obj):
|
||||
"""Return id if argument is a Resource.
|
||||
|
||||
Abstracts the common pattern of allowing both an object or an object's ID
|
||||
(UUID) as a parameter when dealing with relationships.
|
||||
"""
|
||||
try:
|
||||
if obj.uuid:
|
||||
return obj.uuid
|
||||
except AttributeError:
|
||||
pass
|
||||
try:
|
||||
return obj.id
|
||||
except AttributeError:
|
||||
return obj
|
||||
|
||||
|
||||
# TODO(aababilov): call run_hooks() in HookableMixin's child classes
|
||||
class HookableMixin(object):
|
||||
"""Mixin so classes can register and run hooks."""
|
||||
_hooks_map = {}
|
||||
|
||||
@classmethod
|
||||
def add_hook(cls, hook_type, hook_func):
|
||||
"""Add a new hook of specified type.
|
||||
|
||||
:param cls: class that registers hooks
|
||||
:param hook_type: hook type, e.g., '__pre_parse_args__'
|
||||
:param hook_func: hook function
|
||||
"""
|
||||
if hook_type not in cls._hooks_map:
|
||||
cls._hooks_map[hook_type] = []
|
||||
|
||||
cls._hooks_map[hook_type].append(hook_func)
|
||||
|
||||
@classmethod
|
||||
def run_hooks(cls, hook_type, *args, **kwargs):
|
||||
"""Run all hooks of specified type.
|
||||
|
||||
:param cls: class that registers hooks
|
||||
:param hook_type: hook type, e.g., '__pre_parse_args__'
|
||||
:param args: args to be passed to every hook function
|
||||
:param kwargs: kwargs to be passed to every hook function
|
||||
"""
|
||||
hook_funcs = cls._hooks_map.get(hook_type) or []
|
||||
for hook_func in hook_funcs:
|
||||
hook_func(*args, **kwargs)
|
||||
|
||||
|
||||
class BaseManager(HookableMixin):
|
||||
"""Basic manager type providing common operations.
|
||||
|
||||
Managers interact with a particular type of API (servers, flavors, images,
|
||||
etc.) and provide CRUD operations for them.
|
||||
"""
|
||||
resource_class = None
|
||||
|
||||
def __init__(self, client):
|
||||
"""Initializes BaseManager with `client`.
|
||||
|
||||
:param client: instance of BaseClient descendant for HTTP requests
|
||||
"""
|
||||
super(BaseManager, self).__init__()
|
||||
self.client = client
|
||||
|
||||
def _list(self, url, response_key=None, obj_class=None, json=None):
|
||||
"""List the collection.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
:param response_key: the key to be looked up in response dictionary,
|
||||
e.g., 'servers'. If response_key is None - all response body
|
||||
will be used.
|
||||
:param obj_class: class for constructing the returned objects
|
||||
(self.resource_class will be used by default)
|
||||
:param json: data that will be encoded as JSON and passed in POST
|
||||
request (GET will be sent by default)
|
||||
"""
|
||||
if json:
|
||||
body = self.client.post(url, json=json).json()
|
||||
else:
|
||||
body = self.client.get(url).json()
|
||||
|
||||
if obj_class is None:
|
||||
obj_class = self.resource_class
|
||||
|
||||
data = body[response_key] if response_key is not None else body
|
||||
# NOTE(ja): keystone returns values as list as {'values': [ ... ]}
|
||||
# unlike other services which just return the list...
|
||||
try:
|
||||
data = data['values']
|
||||
except (KeyError, TypeError):
|
||||
pass
|
||||
|
||||
return [obj_class(self, res, loaded=True) for res in data if res]
|
||||
|
||||
def _get(self, url, response_key=None):
|
||||
"""Get an object from collection.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
:param response_key: the key to be looked up in response dictionary,
|
||||
e.g., 'server'. If response_key is None - all response body
|
||||
will be used.
|
||||
"""
|
||||
body = self.client.get(url).json()
|
||||
data = body[response_key] if response_key is not None else body
|
||||
return self.resource_class(self, data, loaded=True)
|
||||
|
||||
def _head(self, url):
|
||||
"""Retrieve request headers for an object.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
"""
|
||||
resp = self.client.head(url)
|
||||
return resp.status_code == 204
|
||||
|
||||
def _post(self, url, json, response_key=None, return_raw=False):
|
||||
"""Create an object.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
:param json: data that will be encoded as JSON and passed in POST
|
||||
request (GET will be sent by default)
|
||||
:param response_key: the key to be looked up in response dictionary,
|
||||
e.g., 'server'. If response_key is None - all response body
|
||||
will be used.
|
||||
:param return_raw: flag to force returning raw JSON instead of
|
||||
Python object of self.resource_class
|
||||
"""
|
||||
body = self.client.post(url, json=json).json()
|
||||
data = body[response_key] if response_key is not None else body
|
||||
if return_raw:
|
||||
return data
|
||||
return self.resource_class(self, data)
|
||||
|
||||
def _put(self, url, json=None, response_key=None):
|
||||
"""Update an object with PUT method.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
:param json: data that will be encoded as JSON and passed in POST
|
||||
request (GET will be sent by default)
|
||||
:param response_key: the key to be looked up in response dictionary,
|
||||
e.g., 'servers'. If response_key is None - all response body
|
||||
will be used.
|
||||
"""
|
||||
resp = self.client.put(url, json=json)
|
||||
# PUT requests may not return a body
|
||||
if resp.content:
|
||||
body = resp.json()
|
||||
if response_key is not None:
|
||||
return self.resource_class(self, body[response_key])
|
||||
else:
|
||||
return self.resource_class(self, body)
|
||||
|
||||
def _patch(self, url, json=None, response_key=None):
|
||||
"""Update an object with PATCH method.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers'
|
||||
:param json: data that will be encoded as JSON and passed in POST
|
||||
request (GET will be sent by default)
|
||||
:param response_key: the key to be looked up in response dictionary,
|
||||
e.g., 'servers'. If response_key is None - all response body
|
||||
will be used.
|
||||
"""
|
||||
body = self.client.patch(url, json=json).json()
|
||||
if response_key is not None:
|
||||
return self.resource_class(self, body[response_key])
|
||||
else:
|
||||
return self.resource_class(self, body)
|
||||
|
||||
def _delete(self, url):
|
||||
"""Delete an object.
|
||||
|
||||
:param url: a partial URL, e.g., '/servers/my-server'
|
||||
"""
|
||||
return self.client.delete(url)
|
||||
|
||||
|
||||
@six.add_metaclass(abc.ABCMeta)
|
||||
class ManagerWithFind(BaseManager):
|
||||
"""Manager with additional `find()`/`findall()` methods."""
|
||||
|
||||
@abc.abstractmethod
|
||||
def list(self):
|
||||
pass
|
||||
|
||||
def find(self, **kwargs):
|
||||
"""Find a single item with attributes matching ``**kwargs``.
|
||||
|
||||
This isn't very efficient: it loads the entire list then filters on
|
||||
the Python side.
|
||||
"""
|
||||
matches = self.findall(**kwargs)
|
||||
num_matches = len(matches)
|
||||
if num_matches == 0:
|
||||
msg = _("No %(name)s matching %(args)s.") % {
|
||||
'name': self.resource_class.__name__,
|
||||
'args': kwargs
|
||||
}
|
||||
raise exceptions.NotFound(msg)
|
||||
elif num_matches > 1:
|
||||
raise exceptions.NoUniqueMatch()
|
||||
else:
|
||||
return matches[0]
|
||||
|
||||
def findall(self, **kwargs):
|
||||
"""Find all items with attributes matching ``**kwargs``.
|
||||
|
||||
This isn't very efficient: it loads the entire list then filters on
|
||||
the Python side.
|
||||
"""
|
||||
found = []
|
||||
searches = kwargs.items()
|
||||
|
||||
for obj in self.list():
|
||||
try:
|
||||
if all(getattr(obj, attr) == value
|
||||
for (attr, value) in searches):
|
||||
found.append(obj)
|
||||
except AttributeError:
|
||||
continue
|
||||
|
||||
return found
|
||||
|
||||
|
||||
class CrudManager(BaseManager):
|
||||
"""Base manager class for manipulating entities.
|
||||
|
||||
Children of this class are expected to define a `collection_key` and `key`.
|
||||
|
||||
- `collection_key`: Usually a plural noun by convention (e.g. `entities`);
|
||||
used to refer collections in both URL's (e.g. `/v3/entities`) and JSON
|
||||
objects containing a list of member resources (e.g. `{'entities': [{},
|
||||
{}, {}]}`).
|
||||
- `key`: Usually a singular noun by convention (e.g. `entity`); used to
|
||||
refer to an individual member of the collection.
|
||||
|
||||
"""
|
||||
collection_key = None
|
||||
key = None
|
||||
|
||||
def build_url(self, base_url=None, **kwargs):
|
||||
"""Builds a resource URL for the given kwargs.
|
||||
|
||||
Given an example collection where `collection_key = 'entities'` and
|
||||
`key = 'entity'`, the following URL's could be generated.
|
||||
|
||||
By default, the URL will represent a collection of entities, e.g.::
|
||||
|
||||
/entities
|
||||
|
||||
If kwargs contains an `entity_id`, then the URL will represent a
|
||||
specific member, e.g.::
|
||||
|
||||
/entities/{entity_id}
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
url = base_url if base_url is not None else ''
|
||||
|
||||
url += '/%s' % self.collection_key
|
||||
|
||||
# do we have a specific entity?
|
||||
entity_id = kwargs.get('%s_id' % self.key)
|
||||
if entity_id is not None:
|
||||
url += '/%s' % entity_id
|
||||
|
||||
return url
|
||||
|
||||
def _filter_kwargs(self, kwargs):
|
||||
"""Drop null values and handle ids."""
|
||||
for key, ref in six.iteritems(kwargs.copy()):
|
||||
if ref is None:
|
||||
kwargs.pop(key)
|
||||
else:
|
||||
if isinstance(ref, Resource):
|
||||
kwargs.pop(key)
|
||||
kwargs['%s_id' % key] = getid(ref)
|
||||
return kwargs
|
||||
|
||||
def create(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
return self._post(
|
||||
self.build_url(**kwargs),
|
||||
{self.key: kwargs},
|
||||
self.key)
|
||||
|
||||
def get(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
return self._get(
|
||||
self.build_url(**kwargs),
|
||||
self.key)
|
||||
|
||||
def head(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
return self._head(self.build_url(**kwargs))
|
||||
|
||||
def list(self, base_url=None, **kwargs):
|
||||
"""List the collection.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._list(
|
||||
'%(base_url)s%(query)s' % {
|
||||
'base_url': self.build_url(base_url=base_url, **kwargs),
|
||||
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
|
||||
},
|
||||
self.collection_key)
|
||||
|
||||
def put(self, base_url=None, **kwargs):
|
||||
"""Update an element.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._put(self.build_url(base_url=base_url, **kwargs))
|
||||
|
||||
def update(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
params = kwargs.copy()
|
||||
params.pop('%s_id' % self.key)
|
||||
|
||||
return self._patch(
|
||||
self.build_url(**kwargs),
|
||||
{self.key: params},
|
||||
self.key)
|
||||
|
||||
def delete(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._delete(
|
||||
self.build_url(**kwargs))
|
||||
|
||||
def find(self, base_url=None, **kwargs):
|
||||
"""Find a single item with attributes matching ``**kwargs``.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
rl = self._list(
|
||||
'%(base_url)s%(query)s' % {
|
||||
'base_url': self.build_url(base_url=base_url, **kwargs),
|
||||
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
|
||||
},
|
||||
self.collection_key)
|
||||
num = len(rl)
|
||||
|
||||
if num == 0:
|
||||
msg = _("No %(name)s matching %(args)s.") % {
|
||||
'name': self.resource_class.__name__,
|
||||
'args': kwargs
|
||||
}
|
||||
raise exceptions.NotFound(404, msg)
|
||||
elif num > 1:
|
||||
raise exceptions.NoUniqueMatch
|
||||
else:
|
||||
return rl[0]
|
||||
|
||||
|
||||
class Extension(HookableMixin):
|
||||
"""Extension descriptor."""
|
||||
|
||||
SUPPORTED_HOOKS = ('__pre_parse_args__', '__post_parse_args__')
|
||||
manager_class = None
|
||||
|
||||
def __init__(self, name, module):
|
||||
super(Extension, self).__init__()
|
||||
self.name = name
|
||||
self.module = module
|
||||
self._parse_extension_module()
|
||||
|
||||
def _parse_extension_module(self):
|
||||
self.manager_class = None
|
||||
for attr_name, attr_value in self.module.__dict__.items():
|
||||
if attr_name in self.SUPPORTED_HOOKS:
|
||||
self.add_hook(attr_name, attr_value)
|
||||
else:
|
||||
try:
|
||||
if issubclass(attr_value, BaseManager):
|
||||
self.manager_class = attr_value
|
||||
except TypeError:
|
||||
pass
|
||||
|
||||
def __repr__(self):
|
||||
return "<Extension '%s'>" % self.name
|
||||
|
||||
|
||||
class Resource(object):
|
||||
"""Base class for OpenStack resources (tenant, user, etc.).
|
||||
|
||||
This is pretty much just a bag for attributes.
|
||||
"""
|
||||
|
||||
HUMAN_ID = False
|
||||
NAME_ATTR = 'name'
|
||||
|
||||
def __init__(self, manager, info, loaded=False):
|
||||
"""Populate and bind to a manager.
|
||||
|
||||
:param manager: BaseManager object
|
||||
:param info: dictionary representing resource attributes
|
||||
:param loaded: prevent lazy-loading if set to True
|
||||
"""
|
||||
self.manager = manager
|
||||
self._info = info
|
||||
self._add_details(info)
|
||||
self._loaded = loaded
|
||||
|
||||
def __repr__(self):
|
||||
reprkeys = sorted(k
|
||||
for k in self.__dict__.keys()
|
||||
if k[0] != '_' and k != 'manager')
|
||||
info = ", ".join("%s=%s" % (k, getattr(self, k)) for k in reprkeys)
|
||||
return "<%s %s>" % (self.__class__.__name__, info)
|
||||
|
||||
@property
|
||||
def human_id(self):
|
||||
"""Human-readable ID which can be used for bash completion.
|
||||
"""
|
||||
if self.HUMAN_ID:
|
||||
name = getattr(self, self.NAME_ATTR, None)
|
||||
if name is not None:
|
||||
return strutils.to_slug(name)
|
||||
return None
|
||||
|
||||
def _add_details(self, info):
|
||||
for (k, v) in six.iteritems(info):
|
||||
try:
|
||||
setattr(self, k, v)
|
||||
self._info[k] = v
|
||||
except AttributeError:
|
||||
# In this case we already defined the attribute on the class
|
||||
pass
|
||||
|
||||
def __getattr__(self, k):
|
||||
if k not in self.__dict__:
|
||||
# NOTE(bcwaldon): disallow lazy-loading if already loaded once
|
||||
if not self.is_loaded():
|
||||
self.get()
|
||||
return self.__getattr__(k)
|
||||
|
||||
raise AttributeError(k)
|
||||
else:
|
||||
return self.__dict__[k]
|
||||
|
||||
def get(self):
|
||||
"""Support for lazy loading details.
|
||||
|
||||
Some clients, such as novaclient have the option to lazy load the
|
||||
details, details which can be loaded with this function.
|
||||
"""
|
||||
# set_loaded() first ... so if we have to bail, we know we tried.
|
||||
self.set_loaded(True)
|
||||
if not hasattr(self.manager, 'get'):
|
||||
return
|
||||
|
||||
new = self.manager.get(self.id)
|
||||
if new:
|
||||
self._add_details(new._info)
|
||||
self._add_details(
|
||||
{'x_request_id': self.manager.client.last_request_id})
|
||||
|
||||
def __eq__(self, other):
|
||||
if not isinstance(other, Resource):
|
||||
return NotImplemented
|
||||
# two resources of different types are not equal
|
||||
if not isinstance(other, self.__class__):
|
||||
return False
|
||||
if hasattr(self, 'id') and hasattr(other, 'id'):
|
||||
return self.id == other.id
|
||||
return self._info == other._info
|
||||
|
||||
def is_loaded(self):
|
||||
return self._loaded
|
||||
|
||||
def set_loaded(self, val):
|
||||
self._loaded = val
|
||||
|
||||
def to_dict(self):
|
||||
return copy.deepcopy(self._info)
|
||||
388
magnumclient/openstack/common/apiclient/client.py
Normal file
388
magnumclient/openstack/common/apiclient/client.py
Normal file
@ -0,0 +1,388 @@
|
||||
# Copyright 2010 Jacob Kaplan-Moss
|
||||
# Copyright 2011 OpenStack Foundation
|
||||
# Copyright 2011 Piston Cloud Computing, Inc.
|
||||
# Copyright 2013 Alessio Ababilov
|
||||
# Copyright 2013 Grid Dynamics
|
||||
# Copyright 2013 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.
|
||||
|
||||
"""
|
||||
OpenStack Client interface. Handles the REST calls and responses.
|
||||
"""
|
||||
|
||||
# E0202: An attribute inherited from %s hide this method
|
||||
# pylint: disable=E0202
|
||||
|
||||
import hashlib
|
||||
import logging
|
||||
import time
|
||||
|
||||
try:
|
||||
import simplejson as json
|
||||
except ImportError:
|
||||
import json
|
||||
|
||||
from oslo.utils import encodeutils
|
||||
from oslo.utils import importutils
|
||||
import requests
|
||||
|
||||
from magnumclient.openstack.common._i18n import _
|
||||
from magnumclient.openstack.common.apiclient import exceptions
|
||||
|
||||
_logger = logging.getLogger(__name__)
|
||||
SENSITIVE_HEADERS = ('X-Auth-Token', 'X-Subject-Token',)
|
||||
|
||||
|
||||
class HTTPClient(object):
|
||||
"""This client handles sending HTTP requests to OpenStack servers.
|
||||
|
||||
Features:
|
||||
|
||||
- share authentication information between several clients to different
|
||||
services (e.g., for compute and image clients);
|
||||
- reissue authentication request for expired tokens;
|
||||
- encode/decode JSON bodies;
|
||||
- raise exceptions on HTTP errors;
|
||||
- pluggable authentication;
|
||||
- store authentication information in a keyring;
|
||||
- store time spent for requests;
|
||||
- register clients for particular services, so one can use
|
||||
`http_client.identity` or `http_client.compute`;
|
||||
- log requests and responses in a format that is easy to copy-and-paste
|
||||
into terminal and send the same request with curl.
|
||||
"""
|
||||
|
||||
user_agent = "magnumclient.openstack.common.apiclient"
|
||||
|
||||
def __init__(self,
|
||||
auth_plugin,
|
||||
region_name=None,
|
||||
endpoint_type="publicURL",
|
||||
original_ip=None,
|
||||
verify=True,
|
||||
cert=None,
|
||||
timeout=None,
|
||||
timings=False,
|
||||
keyring_saver=None,
|
||||
debug=False,
|
||||
user_agent=None,
|
||||
http=None):
|
||||
self.auth_plugin = auth_plugin
|
||||
|
||||
self.endpoint_type = endpoint_type
|
||||
self.region_name = region_name
|
||||
|
||||
self.original_ip = original_ip
|
||||
self.timeout = timeout
|
||||
self.verify = verify
|
||||
self.cert = cert
|
||||
|
||||
self.keyring_saver = keyring_saver
|
||||
self.debug = debug
|
||||
self.user_agent = user_agent or self.user_agent
|
||||
|
||||
self.times = [] # [("item", starttime, endtime), ...]
|
||||
self.timings = timings
|
||||
|
||||
# requests within the same session can reuse TCP connections from pool
|
||||
self.http = http or requests.Session()
|
||||
|
||||
self.cached_token = None
|
||||
self.last_request_id = None
|
||||
|
||||
def _safe_header(self, name, value):
|
||||
if name in SENSITIVE_HEADERS:
|
||||
# because in python3 byte string handling is ... ug
|
||||
v = value.encode('utf-8')
|
||||
h = hashlib.sha1(v)
|
||||
d = h.hexdigest()
|
||||
return encodeutils.safe_decode(name), "{SHA1}%s" % d
|
||||
else:
|
||||
return (encodeutils.safe_decode(name),
|
||||
encodeutils.safe_decode(value))
|
||||
|
||||
def _http_log_req(self, method, url, kwargs):
|
||||
if not self.debug:
|
||||
return
|
||||
|
||||
string_parts = [
|
||||
"curl -i",
|
||||
"-X '%s'" % method,
|
||||
"'%s'" % url,
|
||||
]
|
||||
|
||||
for element in kwargs['headers']:
|
||||
header = ("-H '%s: %s'" %
|
||||
self._safe_header(element, kwargs['headers'][element]))
|
||||
string_parts.append(header)
|
||||
|
||||
_logger.debug("REQ: %s" % " ".join(string_parts))
|
||||
if 'data' in kwargs:
|
||||
_logger.debug("REQ BODY: %s\n" % (kwargs['data']))
|
||||
|
||||
def _http_log_resp(self, resp):
|
||||
if not self.debug:
|
||||
return
|
||||
_logger.debug(
|
||||
"RESP: [%s] %s\n",
|
||||
resp.status_code,
|
||||
resp.headers)
|
||||
if resp._content_consumed:
|
||||
_logger.debug(
|
||||
"RESP BODY: %s\n",
|
||||
resp.text)
|
||||
|
||||
def serialize(self, kwargs):
|
||||
if kwargs.get('json') is not None:
|
||||
kwargs['headers']['Content-Type'] = 'application/json'
|
||||
kwargs['data'] = json.dumps(kwargs['json'])
|
||||
try:
|
||||
del kwargs['json']
|
||||
except KeyError:
|
||||
pass
|
||||
|
||||
def get_timings(self):
|
||||
return self.times
|
||||
|
||||
def reset_timings(self):
|
||||
self.times = []
|
||||
|
||||
def request(self, method, url, **kwargs):
|
||||
"""Send an http request with the specified characteristics.
|
||||
|
||||
Wrapper around `requests.Session.request` to handle tasks such as
|
||||
setting headers, JSON encoding/decoding, and error handling.
|
||||
|
||||
:param method: method of HTTP request
|
||||
:param url: URL of HTTP request
|
||||
:param kwargs: any other parameter that can be passed to
|
||||
requests.Session.request (such as `headers`) or `json`
|
||||
that will be encoded as JSON and used as `data` argument
|
||||
"""
|
||||
kwargs.setdefault("headers", {})
|
||||
kwargs["headers"]["User-Agent"] = self.user_agent
|
||||
if self.original_ip:
|
||||
kwargs["headers"]["Forwarded"] = "for=%s;by=%s" % (
|
||||
self.original_ip, self.user_agent)
|
||||
if self.timeout is not None:
|
||||
kwargs.setdefault("timeout", self.timeout)
|
||||
kwargs.setdefault("verify", self.verify)
|
||||
if self.cert is not None:
|
||||
kwargs.setdefault("cert", self.cert)
|
||||
self.serialize(kwargs)
|
||||
|
||||
self._http_log_req(method, url, kwargs)
|
||||
if self.timings:
|
||||
start_time = time.time()
|
||||
resp = self.http.request(method, url, **kwargs)
|
||||
if self.timings:
|
||||
self.times.append(("%s %s" % (method, url),
|
||||
start_time, time.time()))
|
||||
self._http_log_resp(resp)
|
||||
|
||||
self.last_request_id = resp.headers.get('x-openstack-request-id')
|
||||
|
||||
if resp.status_code >= 400:
|
||||
_logger.debug(
|
||||
"Request returned failure status: %s",
|
||||
resp.status_code)
|
||||
raise exceptions.from_response(resp, method, url)
|
||||
|
||||
return resp
|
||||
|
||||
@staticmethod
|
||||
def concat_url(endpoint, url):
|
||||
"""Concatenate endpoint and final URL.
|
||||
|
||||
E.g., "http://keystone/v2.0/" and "/tokens" are concatenated to
|
||||
"http://keystone/v2.0/tokens".
|
||||
|
||||
:param endpoint: the base URL
|
||||
:param url: the final URL
|
||||
"""
|
||||
return "%s/%s" % (endpoint.rstrip("/"), url.strip("/"))
|
||||
|
||||
def client_request(self, client, method, url, **kwargs):
|
||||
"""Send an http request using `client`'s endpoint and specified `url`.
|
||||
|
||||
If request was rejected as unauthorized (possibly because the token is
|
||||
expired), issue one authorization attempt and send the request once
|
||||
again.
|
||||
|
||||
:param client: instance of BaseClient descendant
|
||||
:param method: method of HTTP request
|
||||
:param url: URL of HTTP request
|
||||
:param kwargs: any other parameter that can be passed to
|
||||
`HTTPClient.request`
|
||||
"""
|
||||
|
||||
filter_args = {
|
||||
"endpoint_type": client.endpoint_type or self.endpoint_type,
|
||||
"service_type": client.service_type,
|
||||
}
|
||||
token, endpoint = (self.cached_token, client.cached_endpoint)
|
||||
just_authenticated = False
|
||||
if not (token and endpoint):
|
||||
try:
|
||||
token, endpoint = self.auth_plugin.token_and_endpoint(
|
||||
**filter_args)
|
||||
except exceptions.EndpointException:
|
||||
pass
|
||||
if not (token and endpoint):
|
||||
self.authenticate()
|
||||
just_authenticated = True
|
||||
token, endpoint = self.auth_plugin.token_and_endpoint(
|
||||
**filter_args)
|
||||
if not (token and endpoint):
|
||||
raise exceptions.AuthorizationFailure(
|
||||
_("Cannot find endpoint or token for request"))
|
||||
|
||||
old_token_endpoint = (token, endpoint)
|
||||
kwargs.setdefault("headers", {})["X-Auth-Token"] = token
|
||||
self.cached_token = token
|
||||
client.cached_endpoint = endpoint
|
||||
# Perform the request once. If we get Unauthorized, then it
|
||||
# might be because the auth token expired, so try to
|
||||
# re-authenticate and try again. If it still fails, bail.
|
||||
try:
|
||||
return self.request(
|
||||
method, self.concat_url(endpoint, url), **kwargs)
|
||||
except exceptions.Unauthorized as unauth_ex:
|
||||
if just_authenticated:
|
||||
raise
|
||||
self.cached_token = None
|
||||
client.cached_endpoint = None
|
||||
if self.auth_plugin.opts.get('token'):
|
||||
self.auth_plugin.opts['token'] = None
|
||||
if self.auth_plugin.opts.get('endpoint'):
|
||||
self.auth_plugin.opts['endpoint'] = None
|
||||
self.authenticate()
|
||||
try:
|
||||
token, endpoint = self.auth_plugin.token_and_endpoint(
|
||||
**filter_args)
|
||||
except exceptions.EndpointException:
|
||||
raise unauth_ex
|
||||
if (not (token and endpoint) or
|
||||
old_token_endpoint == (token, endpoint)):
|
||||
raise unauth_ex
|
||||
self.cached_token = token
|
||||
client.cached_endpoint = endpoint
|
||||
kwargs["headers"]["X-Auth-Token"] = token
|
||||
return self.request(
|
||||
method, self.concat_url(endpoint, url), **kwargs)
|
||||
|
||||
def add_client(self, base_client_instance):
|
||||
"""Add a new instance of :class:`BaseClient` descendant.
|
||||
|
||||
`self` will store a reference to `base_client_instance`.
|
||||
|
||||
Example:
|
||||
|
||||
>>> def test_clients():
|
||||
... from keystoneclient.auth import keystone
|
||||
... from openstack.common.apiclient import client
|
||||
... auth = keystone.KeystoneAuthPlugin(
|
||||
... username="user", password="pass", tenant_name="tenant",
|
||||
... auth_url="http://auth:5000/v2.0")
|
||||
... openstack_client = client.HTTPClient(auth)
|
||||
... # create nova client
|
||||
... from novaclient.v1_1 import client
|
||||
... client.Client(openstack_client)
|
||||
... # create keystone client
|
||||
... from keystoneclient.v2_0 import client
|
||||
... client.Client(openstack_client)
|
||||
... # use them
|
||||
... openstack_client.identity.tenants.list()
|
||||
... openstack_client.compute.servers.list()
|
||||
"""
|
||||
service_type = base_client_instance.service_type
|
||||
if service_type and not hasattr(self, service_type):
|
||||
setattr(self, service_type, base_client_instance)
|
||||
|
||||
def authenticate(self):
|
||||
self.auth_plugin.authenticate(self)
|
||||
# Store the authentication results in the keyring for later requests
|
||||
if self.keyring_saver:
|
||||
self.keyring_saver.save(self)
|
||||
|
||||
|
||||
class BaseClient(object):
|
||||
"""Top-level object to access the OpenStack API.
|
||||
|
||||
This client uses :class:`HTTPClient` to send requests. :class:`HTTPClient`
|
||||
will handle a bunch of issues such as authentication.
|
||||
"""
|
||||
|
||||
service_type = None
|
||||
endpoint_type = None # "publicURL" will be used
|
||||
cached_endpoint = None
|
||||
|
||||
def __init__(self, http_client, extensions=None):
|
||||
self.http_client = http_client
|
||||
http_client.add_client(self)
|
||||
|
||||
# Add in any extensions...
|
||||
if extensions:
|
||||
for extension in extensions:
|
||||
if extension.manager_class:
|
||||
setattr(self, extension.name,
|
||||
extension.manager_class(self))
|
||||
|
||||
def client_request(self, method, url, **kwargs):
|
||||
return self.http_client.client_request(
|
||||
self, method, url, **kwargs)
|
||||
|
||||
@property
|
||||
def last_request_id(self):
|
||||
return self.http_client.last_request_id
|
||||
|
||||
def head(self, url, **kwargs):
|
||||
return self.client_request("HEAD", url, **kwargs)
|
||||
|
||||
def get(self, url, **kwargs):
|
||||
return self.client_request("GET", url, **kwargs)
|
||||
|
||||
def post(self, url, **kwargs):
|
||||
return self.client_request("POST", url, **kwargs)
|
||||
|
||||
def put(self, url, **kwargs):
|
||||
return self.client_request("PUT", url, **kwargs)
|
||||
|
||||
def delete(self, url, **kwargs):
|
||||
return self.client_request("DELETE", url, **kwargs)
|
||||
|
||||
def patch(self, url, **kwargs):
|
||||
return self.client_request("PATCH", url, **kwargs)
|
||||
|
||||
@staticmethod
|
||||
def get_class(api_name, version, version_map):
|
||||
"""Returns the client class for the requested API version
|
||||
|
||||
:param api_name: the name of the API, e.g. 'compute', 'image', etc
|
||||
:param version: the requested API version
|
||||
:param version_map: a dict of client classes keyed by version
|
||||
:rtype: a client class for the requested API version
|
||||
"""
|
||||
try:
|
||||
client_path = version_map[str(version)]
|
||||
except (KeyError, ValueError):
|
||||
msg = _("Invalid %(api_name)s client version '%(version)s'. "
|
||||
"Must be one of: %(version_map)s") % {
|
||||
'api_name': api_name,
|
||||
'version': version,
|
||||
'version_map': ', '.join(version_map.keys())}
|
||||
raise exceptions.UnsupportedVersion(msg)
|
||||
|
||||
return importutils.import_class(client_path)
|
||||
190
magnumclient/openstack/common/apiclient/fake_client.py
Normal file
190
magnumclient/openstack/common/apiclient/fake_client.py
Normal file
@ -0,0 +1,190 @@
|
||||
# Copyright 2013 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.
|
||||
|
||||
"""
|
||||
A fake server that "responds" to API methods with pre-canned responses.
|
||||
|
||||
All of these responses come from the spec, so if for some reason the spec's
|
||||
wrong the tests might raise AssertionError. I've indicated in comments the
|
||||
places where actual behavior differs from the spec.
|
||||
"""
|
||||
|
||||
########################################################################
|
||||
#
|
||||
# THIS MODULE IS DEPRECATED
|
||||
#
|
||||
# Please refer to
|
||||
# https://etherpad.openstack.org/p/kilo-magnumclient-library-proposals for
|
||||
# the discussion leading to this deprecation.
|
||||
#
|
||||
# We recommend checking out the python-openstacksdk project
|
||||
# (https://launchpad.net/python-openstacksdk) instead.
|
||||
#
|
||||
########################################################################
|
||||
|
||||
# W0102: Dangerous default value %s as argument
|
||||
# pylint: disable=W0102
|
||||
|
||||
import json
|
||||
|
||||
import requests
|
||||
import six
|
||||
from six.moves.urllib import parse
|
||||
|
||||
from magnumclient.openstack.common.apiclient import client
|
||||
|
||||
|
||||
def assert_has_keys(dct, required=None, optional=None):
|
||||
required = required or []
|
||||
optional = optional or []
|
||||
for k in required:
|
||||
try:
|
||||
assert k in dct
|
||||
except AssertionError:
|
||||
extra_keys = set(dct.keys()).difference(set(required + optional))
|
||||
raise AssertionError("found unexpected keys: %s" %
|
||||
list(extra_keys))
|
||||
|
||||
|
||||
class TestResponse(requests.Response):
|
||||
"""Wrap requests.Response and provide a convenient initialization.
|
||||
"""
|
||||
|
||||
def __init__(self, data):
|
||||
super(TestResponse, self).__init__()
|
||||
self._content_consumed = True
|
||||
if isinstance(data, dict):
|
||||
self.status_code = data.get('status_code', 200)
|
||||
# Fake the text attribute to streamline Response creation
|
||||
text = data.get('text', "")
|
||||
if isinstance(text, (dict, list)):
|
||||
self._content = json.dumps(text)
|
||||
default_headers = {
|
||||
"Content-Type": "application/json",
|
||||
}
|
||||
else:
|
||||
self._content = text
|
||||
default_headers = {}
|
||||
if six.PY3 and isinstance(self._content, six.string_types):
|
||||
self._content = self._content.encode('utf-8', 'strict')
|
||||
self.headers = data.get('headers') or default_headers
|
||||
else:
|
||||
self.status_code = data
|
||||
|
||||
def __eq__(self, other):
|
||||
return (self.status_code == other.status_code and
|
||||
self.headers == other.headers and
|
||||
self._content == other._content)
|
||||
|
||||
|
||||
class FakeHTTPClient(client.HTTPClient):
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
self.callstack = []
|
||||
self.fixtures = kwargs.pop("fixtures", None) or {}
|
||||
if not args and "auth_plugin" not in kwargs:
|
||||
args = (None, )
|
||||
super(FakeHTTPClient, self).__init__(*args, **kwargs)
|
||||
|
||||
def assert_called(self, method, url, body=None, pos=-1):
|
||||
"""Assert than an API method was just called.
|
||||
"""
|
||||
expected = (method, url)
|
||||
called = self.callstack[pos][0:2]
|
||||
assert self.callstack, \
|
||||
"Expected %s %s but no calls were made." % expected
|
||||
|
||||
assert expected == called, 'Expected %s %s; got %s %s' % \
|
||||
(expected + called)
|
||||
|
||||
if body is not None:
|
||||
if self.callstack[pos][3] != body:
|
||||
raise AssertionError('%r != %r' %
|
||||
(self.callstack[pos][3], body))
|
||||
|
||||
def assert_called_anytime(self, method, url, body=None):
|
||||
"""Assert than an API method was called anytime in the test.
|
||||
"""
|
||||
expected = (method, url)
|
||||
|
||||
assert self.callstack, \
|
||||
"Expected %s %s but no calls were made." % expected
|
||||
|
||||
found = False
|
||||
entry = None
|
||||
for entry in self.callstack:
|
||||
if expected == entry[0:2]:
|
||||
found = True
|
||||
break
|
||||
|
||||
assert found, 'Expected %s %s; got %s' % \
|
||||
(method, url, self.callstack)
|
||||
if body is not None:
|
||||
assert entry[3] == body, "%s != %s" % (entry[3], body)
|
||||
|
||||
self.callstack = []
|
||||
|
||||
def clear_callstack(self):
|
||||
self.callstack = []
|
||||
|
||||
def authenticate(self):
|
||||
pass
|
||||
|
||||
def client_request(self, client, method, url, **kwargs):
|
||||
# Check that certain things are called correctly
|
||||
if method in ["GET", "DELETE"]:
|
||||
assert "json" not in kwargs
|
||||
|
||||
# Note the call
|
||||
self.callstack.append(
|
||||
(method,
|
||||
url,
|
||||
kwargs.get("headers") or {},
|
||||
kwargs.get("json") or kwargs.get("data")))
|
||||
try:
|
||||
fixture = self.fixtures[url][method]
|
||||
except KeyError:
|
||||
pass
|
||||
else:
|
||||
return TestResponse({"headers": fixture[0],
|
||||
"text": fixture[1]})
|
||||
|
||||
# Call the method
|
||||
args = parse.parse_qsl(parse.urlparse(url)[4])
|
||||
kwargs.update(args)
|
||||
munged_url = url.rsplit('?', 1)[0]
|
||||
munged_url = munged_url.strip('/').replace('/', '_').replace('.', '_')
|
||||
munged_url = munged_url.replace('-', '_')
|
||||
|
||||
callback = "%s_%s" % (method.lower(), munged_url)
|
||||
|
||||
if not hasattr(self, callback):
|
||||
raise AssertionError('Called unknown API method: %s %s, '
|
||||
'expected fakes method name: %s' %
|
||||
(method, url, callback))
|
||||
|
||||
resp = getattr(self, callback)(**kwargs)
|
||||
if len(resp) == 3:
|
||||
status, headers, body = resp
|
||||
else:
|
||||
status, body = resp
|
||||
headers = {}
|
||||
self.last_request_id = headers.get('x-openstack-request-id',
|
||||
'req-test')
|
||||
return TestResponse({
|
||||
"status_code": status,
|
||||
"text": body,
|
||||
"headers": headers,
|
||||
})
|
||||
100
magnumclient/openstack/common/apiclient/utils.py
Normal file
100
magnumclient/openstack/common/apiclient/utils.py
Normal file
@ -0,0 +1,100 @@
|
||||
#
|
||||
# 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.
|
||||
|
||||
########################################################################
|
||||
#
|
||||
# THIS MODULE IS DEPRECATED
|
||||
#
|
||||
# Please refer to
|
||||
# https://etherpad.openstack.org/p/kilo-magnumclient-library-proposals for
|
||||
# the discussion leading to this deprecation.
|
||||
#
|
||||
# We recommend checking out the python-openstacksdk project
|
||||
# (https://launchpad.net/python-openstacksdk) instead.
|
||||
#
|
||||
########################################################################
|
||||
|
||||
from oslo.utils import encodeutils
|
||||
import six
|
||||
|
||||
from magnumclient.openstack.common._i18n import _
|
||||
from magnumclient.openstack.common.apiclient import exceptions
|
||||
from magnumclient.openstack.common import uuidutils
|
||||
|
||||
|
||||
def find_resource(manager, name_or_id, **find_args):
|
||||
"""Look for resource in a given manager.
|
||||
|
||||
Used as a helper for the _find_* methods.
|
||||
Example:
|
||||
|
||||
.. code-block:: python
|
||||
|
||||
def _find_hypervisor(cs, hypervisor):
|
||||
#Get a hypervisor by name or ID.
|
||||
return cliutils.find_resource(cs.hypervisors, hypervisor)
|
||||
"""
|
||||
# first try to get entity as integer id
|
||||
try:
|
||||
return manager.get(int(name_or_id))
|
||||
except (TypeError, ValueError, exceptions.NotFound):
|
||||
pass
|
||||
|
||||
# now try to get entity as uuid
|
||||
try:
|
||||
if six.PY2:
|
||||
tmp_id = encodeutils.safe_encode(name_or_id)
|
||||
else:
|
||||
tmp_id = encodeutils.safe_decode(name_or_id)
|
||||
|
||||
if uuidutils.is_uuid_like(tmp_id):
|
||||
return manager.get(tmp_id)
|
||||
except (TypeError, ValueError, exceptions.NotFound):
|
||||
pass
|
||||
|
||||
# for str id which is not uuid
|
||||
if getattr(manager, 'is_alphanum_id_allowed', False):
|
||||
try:
|
||||
return manager.get(name_or_id)
|
||||
except exceptions.NotFound:
|
||||
pass
|
||||
|
||||
try:
|
||||
try:
|
||||
return manager.find(human_id=name_or_id, **find_args)
|
||||
except exceptions.NotFound:
|
||||
pass
|
||||
|
||||
# finally try to find entity by name
|
||||
try:
|
||||
resource = getattr(manager, 'resource_class', None)
|
||||
name_attr = resource.NAME_ATTR if resource else 'name'
|
||||
kwargs = {name_attr: name_or_id}
|
||||
kwargs.update(find_args)
|
||||
return manager.find(**kwargs)
|
||||
except exceptions.NotFound:
|
||||
msg = _("No %(name)s with a name or "
|
||||
"ID of '%(name_or_id)s' exists.") % \
|
||||
{
|
||||
"name": manager.resource_class.__name__.lower(),
|
||||
"name_or_id": name_or_id
|
||||
}
|
||||
raise exceptions.CommandError(msg)
|
||||
except exceptions.NoUniqueMatch:
|
||||
msg = _("Multiple %(name)s matches found for "
|
||||
"'%(name_or_id)s', use an ID to be more specific.") % \
|
||||
{
|
||||
"name": manager.resource_class.__name__.lower(),
|
||||
"name_or_id": name_or_id
|
||||
}
|
||||
raise exceptions.CommandError(msg)
|
||||
37
magnumclient/openstack/common/uuidutils.py
Normal file
37
magnumclient/openstack/common/uuidutils.py
Normal file
@ -0,0 +1,37 @@
|
||||
# Copyright (c) 2012 Intel Corporation.
|
||||
# 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.
|
||||
|
||||
"""
|
||||
UUID related utilities and helper functions.
|
||||
"""
|
||||
|
||||
import uuid
|
||||
|
||||
|
||||
def generate_uuid():
|
||||
return str(uuid.uuid4())
|
||||
|
||||
|
||||
def is_uuid_like(val):
|
||||
"""Returns validation of a value as a UUID.
|
||||
|
||||
For our purposes, a UUID is a canonical form string:
|
||||
aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
|
||||
|
||||
"""
|
||||
try:
|
||||
return str(uuid.UUID(val)) == val
|
||||
except (TypeError, ValueError, AttributeError):
|
||||
return False
|
||||
@ -1,7 +1,6 @@
|
||||
[DEFAULT]
|
||||
# The list of modules to copy from oslo-incubator.git
|
||||
module=apiclient.exceptions
|
||||
module=apiclient.auth
|
||||
module=apiclient
|
||||
module=cliutils
|
||||
|
||||
# The base module to hold the copy of openstack.common
|
||||
|
||||
Loading…
Reference in New Issue
Block a user