Merge "Sync oslo incubator"
This commit is contained in:
commit
7a85f8ba8a
|
@ -1,2 +1,17 @@
|
|||
#
|
||||
# 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.
|
||||
|
||||
import six
|
||||
|
||||
|
||||
six.add_move(six.MovedModule('mox', 'mox', 'mox3.mox'))
|
||||
|
|
|
@ -1,14 +0,0 @@
|
|||
# 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.
|
|
@ -0,0 +1,221 @@
|
|||
# Copyright 2013 OpenStack Foundation
|
||||
# Copyright 2013 Spanish National Research Council.
|
||||
# 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.
|
||||
|
||||
# E0202: An attribute inherited from %s hide this method
|
||||
# pylint: disable=E0202
|
||||
|
||||
import abc
|
||||
import argparse
|
||||
import os
|
||||
|
||||
import six
|
||||
from stevedore import extension
|
||||
|
||||
from heatclient.openstack.common.apiclient import exceptions
|
||||
|
||||
|
||||
_discovered_plugins = {}
|
||||
|
||||
|
||||
def discover_auth_systems():
|
||||
"""Discover the available auth-systems.
|
||||
|
||||
This won't take into account the old style auth-systems.
|
||||
"""
|
||||
global _discovered_plugins
|
||||
_discovered_plugins = {}
|
||||
|
||||
def add_plugin(ext):
|
||||
_discovered_plugins[ext.name] = ext.plugin
|
||||
|
||||
ep_namespace = "heatclient.openstack.common.apiclient.auth"
|
||||
mgr = extension.ExtensionManager(ep_namespace)
|
||||
mgr.map(add_plugin)
|
||||
|
||||
|
||||
def load_auth_system_opts(parser):
|
||||
"""Load options needed by the available auth-systems into a parser.
|
||||
|
||||
This function will try to populate the parser with options from the
|
||||
available plugins.
|
||||
"""
|
||||
group = parser.add_argument_group("Common auth options")
|
||||
BaseAuthPlugin.add_common_opts(group)
|
||||
for name, auth_plugin in six.iteritems(_discovered_plugins):
|
||||
group = parser.add_argument_group(
|
||||
"Auth-system '%s' options" % name,
|
||||
conflict_handler="resolve")
|
||||
auth_plugin.add_opts(group)
|
||||
|
||||
|
||||
def load_plugin(auth_system):
|
||||
try:
|
||||
plugin_class = _discovered_plugins[auth_system]
|
||||
except KeyError:
|
||||
raise exceptions.AuthSystemNotFound(auth_system)
|
||||
return plugin_class(auth_system=auth_system)
|
||||
|
||||
|
||||
def load_plugin_from_args(args):
|
||||
"""Load required plugin and populate it with options.
|
||||
|
||||
Try to guess auth system if it is not specified. Systems are tried in
|
||||
alphabetical order.
|
||||
|
||||
:type args: argparse.Namespace
|
||||
:raises: AuthPluginOptionsMissing
|
||||
"""
|
||||
auth_system = args.os_auth_system
|
||||
if auth_system:
|
||||
plugin = load_plugin(auth_system)
|
||||
plugin.parse_opts(args)
|
||||
plugin.sufficient_options()
|
||||
return plugin
|
||||
|
||||
for plugin_auth_system in sorted(six.iterkeys(_discovered_plugins)):
|
||||
plugin_class = _discovered_plugins[plugin_auth_system]
|
||||
plugin = plugin_class()
|
||||
plugin.parse_opts(args)
|
||||
try:
|
||||
plugin.sufficient_options()
|
||||
except exceptions.AuthPluginOptionsMissing:
|
||||
continue
|
||||
return plugin
|
||||
raise exceptions.AuthPluginOptionsMissing(["auth_system"])
|
||||
|
||||
|
||||
@six.add_metaclass(abc.ABCMeta)
|
||||
class BaseAuthPlugin(object):
|
||||
"""Base class for authentication plugins.
|
||||
|
||||
An authentication plugin needs to override at least the authenticate
|
||||
method to be a valid plugin.
|
||||
"""
|
||||
|
||||
auth_system = None
|
||||
opt_names = []
|
||||
common_opt_names = [
|
||||
"auth_system",
|
||||
"username",
|
||||
"password",
|
||||
"tenant_name",
|
||||
"token",
|
||||
"auth_url",
|
||||
]
|
||||
|
||||
def __init__(self, auth_system=None, **kwargs):
|
||||
self.auth_system = auth_system or self.auth_system
|
||||
self.opts = dict((name, kwargs.get(name))
|
||||
for name in self.opt_names)
|
||||
|
||||
@staticmethod
|
||||
def _parser_add_opt(parser, opt):
|
||||
"""Add an option to parser in two variants.
|
||||
|
||||
:param opt: option name (with underscores)
|
||||
"""
|
||||
dashed_opt = opt.replace("_", "-")
|
||||
env_var = "OS_%s" % opt.upper()
|
||||
arg_default = os.environ.get(env_var, "")
|
||||
arg_help = "Defaults to env[%s]." % env_var
|
||||
parser.add_argument(
|
||||
"--os-%s" % dashed_opt,
|
||||
metavar="<%s>" % dashed_opt,
|
||||
default=arg_default,
|
||||
help=arg_help)
|
||||
parser.add_argument(
|
||||
"--os_%s" % opt,
|
||||
metavar="<%s>" % dashed_opt,
|
||||
help=argparse.SUPPRESS)
|
||||
|
||||
@classmethod
|
||||
def add_opts(cls, parser):
|
||||
"""Populate the parser with the options for this plugin.
|
||||
"""
|
||||
for opt in cls.opt_names:
|
||||
# use `BaseAuthPlugin.common_opt_names` since it is never
|
||||
# changed in child classes
|
||||
if opt not in BaseAuthPlugin.common_opt_names:
|
||||
cls._parser_add_opt(parser, opt)
|
||||
|
||||
@classmethod
|
||||
def add_common_opts(cls, parser):
|
||||
"""Add options that are common for several plugins.
|
||||
"""
|
||||
for opt in cls.common_opt_names:
|
||||
cls._parser_add_opt(parser, opt)
|
||||
|
||||
@staticmethod
|
||||
def get_opt(opt_name, args):
|
||||
"""Return option name and value.
|
||||
|
||||
:param opt_name: name of the option, e.g., "username"
|
||||
:param args: parsed arguments
|
||||
"""
|
||||
return (opt_name, getattr(args, "os_%s" % opt_name, None))
|
||||
|
||||
def parse_opts(self, args):
|
||||
"""Parse the actual auth-system options if any.
|
||||
|
||||
This method is expected to populate the attribute `self.opts` with a
|
||||
dict containing the options and values needed to make authentication.
|
||||
"""
|
||||
self.opts.update(dict(self.get_opt(opt_name, args)
|
||||
for opt_name in self.opt_names))
|
||||
|
||||
def authenticate(self, http_client):
|
||||
"""Authenticate using plugin defined method.
|
||||
|
||||
The method usually analyses `self.opts` and performs
|
||||
a request to authentication server.
|
||||
|
||||
:param http_client: client object that needs authentication
|
||||
:type http_client: HTTPClient
|
||||
:raises: AuthorizationFailure
|
||||
"""
|
||||
self.sufficient_options()
|
||||
self._do_authenticate(http_client)
|
||||
|
||||
@abc.abstractmethod
|
||||
def _do_authenticate(self, http_client):
|
||||
"""Protected method for authentication.
|
||||
"""
|
||||
|
||||
def sufficient_options(self):
|
||||
"""Check if all required options are present.
|
||||
|
||||
:raises: AuthPluginOptionsMissing
|
||||
"""
|
||||
missing = [opt
|
||||
for opt in self.opt_names
|
||||
if not self.opts.get(opt)]
|
||||
if missing:
|
||||
raise exceptions.AuthPluginOptionsMissing(missing)
|
||||
|
||||
@abc.abstractmethod
|
||||
def token_and_endpoint(self, endpoint_type, service_type):
|
||||
"""Return token and endpoint.
|
||||
|
||||
:param service_type: Service type of the endpoint
|
||||
:type service_type: string
|
||||
:param endpoint_type: Type of endpoint.
|
||||
Possible values: public or publicURL,
|
||||
internal or internalURL,
|
||||
admin or adminURL
|
||||
:type endpoint_type: string
|
||||
:returns: tuple of token and endpoint strings
|
||||
:raises: EndpointException
|
||||
"""
|
|
@ -457,17 +457,22 @@ class Resource(object):
|
|||
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()
|
||||
if not self.is_loaded():
|
||||
self.get()
|
||||
return self.__getattr__(k)
|
||||
|
||||
raise AttributeError(k)
|
||||
else:
|
||||
return self.__dict__[k]
|
||||
|
||||
def _get(self):
|
||||
# set _loaded first ... so if we have to bail, we know we tried.
|
||||
self._loaded = True
|
||||
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
|
||||
|
||||
|
@ -485,9 +490,11 @@ class Resource(object):
|
|||
return self.id == other.id
|
||||
return self._info == other._info
|
||||
|
||||
@property
|
||||
def is_loaded(self):
|
||||
return self._loaded
|
||||
|
||||
def set_loaded(self, val):
|
||||
self._loaded = val
|
||||
|
||||
def to_dict(self):
|
||||
return copy.deepcopy(self._info)
|
||||
|
|
|
@ -0,0 +1,358 @@
|
|||
# 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 logging
|
||||
import time
|
||||
|
||||
try:
|
||||
import simplejson as json
|
||||
except ImportError:
|
||||
import json
|
||||
|
||||
import requests
|
||||
|
||||
from heatclient.openstack.common.apiclient import exceptions
|
||||
from heatclient.openstack.common import importutils
|
||||
|
||||
|
||||
_logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
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 = "heatclient.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
|
||||
|
||||
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'" % (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.get("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)
|
||||
|
||||
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
|
||||
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)
|
||||
|
||||
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 %s client version '%s'. must be one of: %s" % (
|
||||
(api_name, version, ', '.join(version_map.keys())))
|
||||
raise exceptions.UnsupportedVersion(msg)
|
||||
|
||||
return importutils.import_class(client_path)
|
|
@ -60,6 +60,11 @@ class AuthorizationFailure(ClientException):
|
|||
pass
|
||||
|
||||
|
||||
class ConnectionRefused(ClientException):
|
||||
"""Cannot connect to API service."""
|
||||
pass
|
||||
|
||||
|
||||
class AuthPluginOptionsMissing(AuthorizationFailure):
|
||||
"""Auth plugin misses some options."""
|
||||
def __init__(self, opt_names):
|
||||
|
@ -122,6 +127,11 @@ class HttpError(ClientException):
|
|||
super(HttpError, self).__init__(formatted_string)
|
||||
|
||||
|
||||
class HTTPRedirection(HttpError):
|
||||
"""HTTP Redirection."""
|
||||
message = "HTTP Redirection"
|
||||
|
||||
|
||||
class HTTPClientError(HttpError):
|
||||
"""Client-side HTTP error.
|
||||
|
||||
|
@ -139,6 +149,16 @@ class HttpServerError(HttpError):
|
|||
message = "HTTP Server Error"
|
||||
|
||||
|
||||
class MultipleChoices(HTTPRedirection):
|
||||
"""HTTP 300 - Multiple Choices.
|
||||
|
||||
Indicates multiple options for the resource that the client may follow.
|
||||
"""
|
||||
|
||||
http_status = 300
|
||||
message = "Multiple Choices"
|
||||
|
||||
|
||||
class BadRequest(HTTPClientError):
|
||||
"""HTTP 400 - Bad Request.
|
||||
|
||||
|
@ -420,8 +440,8 @@ def from_response(response, method, url):
|
|||
except ValueError:
|
||||
pass
|
||||
else:
|
||||
if hasattr(body, "keys"):
|
||||
error = body[body.keys()[0]]
|
||||
if isinstance(body, dict):
|
||||
error = list(body.values())[0]
|
||||
kwargs["message"] = error.get("message")
|
||||
kwargs["details"] = error.get("details")
|
||||
elif content_type.startswith("text/"):
|
||||
|
|
|
@ -0,0 +1,173 @@
|
|||
# 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.
|
||||
"""
|
||||
|
||||
# W0102: Dangerous default value %s as argument
|
||||
# pylint: disable=W0102
|
||||
|
||||
import json
|
||||
|
||||
import requests
|
||||
import six
|
||||
from six.moves.urllib import parse
|
||||
|
||||
from heatclient.openstack.common.apiclient import client
|
||||
|
||||
|
||||
def assert_has_keys(dct, required=[], optional=[]):
|
||||
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 not "auth_plugin" 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 = {}
|
||||
return TestResponse({
|
||||
"status_code": status,
|
||||
"text": body,
|
||||
"headers": headers,
|
||||
})
|
|
@ -28,7 +28,6 @@ import gettext
|
|||
import locale
|
||||
from logging import handlers
|
||||
import os
|
||||
import re
|
||||
|
||||
from babel import localedata
|
||||
import six
|
||||
|
@ -248,47 +247,22 @@ class Message(six.text_type):
|
|||
if other is None:
|
||||
params = (other,)
|
||||
elif isinstance(other, dict):
|
||||
params = self._trim_dictionary_parameters(other)
|
||||
# Merge the dictionaries
|
||||
# Copy each item in case one does not support deep copy.
|
||||
params = {}
|
||||
if isinstance(self.params, dict):
|
||||
for key, val in self.params.items():
|
||||
params[key] = self._copy_param(val)
|
||||
for key, val in other.items():
|
||||
params[key] = self._copy_param(val)
|
||||
else:
|
||||
params = self._copy_param(other)
|
||||
return params
|
||||
|
||||
def _trim_dictionary_parameters(self, dict_param):
|
||||
"""Return a dict that only has matching entries in the msgid."""
|
||||
# NOTE(luisg): Here we trim down the dictionary passed as parameters
|
||||
# to avoid carrying a lot of unnecessary weight around in the message
|
||||
# object, for example if someone passes in Message() % locals() but
|
||||
# only some params are used, and additionally we prevent errors for
|
||||
# non-deepcopyable objects by unicoding() them.
|
||||
|
||||
# Look for %(param) keys in msgid;
|
||||
# Skip %% and deal with the case where % is first character on the line
|
||||
keys = re.findall('(?:[^%]|^)?%\((\w*)\)[a-z]', self.msgid)
|
||||
|
||||
# If we don't find any %(param) keys but have a %s
|
||||
if not keys and re.findall('(?:[^%]|^)%[a-z]', self.msgid):
|
||||
# Apparently the full dictionary is the parameter
|
||||
params = self._copy_param(dict_param)
|
||||
else:
|
||||
params = {}
|
||||
# Save our existing parameters as defaults to protect
|
||||
# ourselves from losing values if we are called through an
|
||||
# (erroneous) chain that builds a valid Message with
|
||||
# arguments, and then does something like "msg % kwds"
|
||||
# where kwds is an empty dictionary.
|
||||
src = {}
|
||||
if isinstance(self.params, dict):
|
||||
src.update(self.params)
|
||||
src.update(dict_param)
|
||||
for key in keys:
|
||||
params[key] = self._copy_param(src[key])
|
||||
|
||||
return params
|
||||
|
||||
def _copy_param(self, param):
|
||||
try:
|
||||
return copy.deepcopy(param)
|
||||
except TypeError:
|
||||
except Exception:
|
||||
# Fallback to casting to unicode this will handle the
|
||||
# python code-like objects that can't be deep-copied
|
||||
return six.text_type(param)
|
||||
|
|
|
@ -58,6 +58,13 @@ def import_module(import_str):
|
|||
return sys.modules[import_str]
|
||||
|
||||
|
||||
def import_versioned_module(version, submodule=None):
|
||||
module = 'heatclient.v%s' % version
|
||||
if submodule:
|
||||
module = '.'.join((module, submodule))
|
||||
return import_module(module)
|
||||
|
||||
|
||||
def try_import(import_str, default=None):
|
||||
"""Try to import a module and if it fails return default."""
|
||||
try:
|
||||
|
|
Loading…
Reference in New Issue