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# Copyright (c) 2011 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.
import httplib2
import logging
import os
import sys
import time
try:
import json
except ImportError:
import simplejson as json
from troveclient.compat import auth
from troveclient.compat import exceptions
LOG = logging.getLogger(__name__)
RDC_PP = os.environ.get("RDC_PP", "False") == "True"
expected_errors = (400, 401, 403, 404, 408, 409, 413, 422, 500, 501)
def log_to_streamhandler(stream=None):
stream = stream or sys.stderr
ch = logging.StreamHandler(stream)
LOG.setLevel(logging.DEBUG)
LOG.addHandler(ch)
if 'REDDWARFCLIENT_DEBUG' in os.environ and os.environ['REDDWARFCLIENT_DEBUG']:
log_to_streamhandler()
class TroveHTTPClient(httplib2.Http):
USER_AGENT = 'python-troveclient'
def __init__(self, user, password, tenant, auth_url, service_name,
service_url=None,
auth_strategy=None, insecure=False,
timeout=None, proxy_tenant_id=None,
proxy_token=None, region_name=None,
endpoint_type='publicURL', service_type=None,
timings=False):
super(TroveHTTPClient, self).__init__(timeout=timeout)
self.username = user
self.password = password
self.tenant = tenant
if auth_url:
self.auth_url = auth_url.rstrip('/')
else:
self.auth_url = None
self.region_name = region_name
self.endpoint_type = endpoint_type
self.service_url = service_url
self.service_type = service_type
self.service_name = service_name
self.timings = timings
self.times = [] # [("item", starttime, endtime), ...]
self.auth_token = None
self.proxy_token = proxy_token
self.proxy_tenant_id = proxy_tenant_id
# httplib2 overrides
self.force_exception_to_status_code = True
self.disable_ssl_certificate_validation = insecure
auth_cls = auth.get_authenticator_cls(auth_strategy)
self.authenticator = auth_cls(self, auth_strategy,
self.auth_url, self.username,
self.password, self.tenant,
region=region_name,
service_type=service_type,
service_name=service_name,
service_url=service_url)
if hasattr(self.authenticator, 'auth'):
self.auth = self.authenticator.auth
def get_timings(self):
return self.times
def http_log(self, args, kwargs, resp, body):
if not RDC_PP:
self.simple_log(args, kwargs, resp, body)
else:
self.pretty_log(args, kwargs, resp, body)
def simple_log(self, args, kwargs, resp, body):
if not LOG.isEnabledFor(logging.DEBUG):
return
string_parts = ['curl -i']
for element in args:
if element in ('GET', 'POST'):
string_parts.append(' -X %s' % element)
else:
string_parts.append(' %s' % element)
for element in kwargs['headers']:
header = ' -H "%s: %s"' % (element, kwargs['headers'][element])
string_parts.append(header)
LOG.debug("REQ: %s\n", "".join(string_parts))
if 'body' in kwargs:
LOG.debug("REQ BODY: %s\n", kwargs['body'])
LOG.debug("RESP:%s %s\n", resp, body)
def pretty_log(self, args, kwargs, resp, body):
if not LOG.isEnabledFor(logging.DEBUG):
return
string_parts = ['curl -i']
for element in args:
if element in ('GET', 'POST'):
string_parts.append(' -X %s' % element)
else:
string_parts.append(' %s' % element)
for element in kwargs['headers']:
header = ' -H "%s: %s"' % (element, kwargs['headers'][element])
string_parts.append(header)
curl_cmd = "".join(string_parts)
LOG.debug("REQUEST:")
if 'body' in kwargs:
LOG.debug("%s -d '%s'", curl_cmd, kwargs['body'])
try:
req_body = json.dumps(json.loads(kwargs['body']),
sort_keys=True, indent=4)
except Exception:
req_body = kwargs['body']
LOG.debug("BODY: %s\n", req_body)
else:
LOG.debug(curl_cmd)
try:
resp_body = json.dumps(json.loads(body), sort_keys=True, indent=4)
except Exception:
resp_body = body
LOG.debug("RESPONSE HEADERS: %s", resp)
LOG.debug("RESPONSE BODY : %s", resp_body)
def request(self, *args, **kwargs):
kwargs.setdefault('headers', kwargs.get('headers', {}))
kwargs['headers']['User-Agent'] = self.USER_AGENT
self.morph_request(kwargs)
resp, body = super(TroveHTTPClient, self).request(*args, **kwargs)
# compat between requests and httplib2
resp.status_code = resp.status
# Save this in case anyone wants it.
self.last_response = (resp, body)
self.http_log(args, kwargs, resp, body)
if body:
try:
body = self.morph_response_body(body)
except exceptions.ResponseFormatError:
# Acceptable only if the response status is an error code.
# Otherwise its the API or client misbehaving.
self.raise_error_from_status(resp, None)
raise # Not accepted!
else:
body = None
if resp.status in expected_errors:
raise exceptions.from_response(resp, body)
return resp, body
def raise_error_from_status(self, resp, body):
if resp.status in expected_errors:
raise exceptions.from_response(resp, body)
def morph_request(self, kwargs):
kwargs['headers']['Accept'] = 'application/json'
kwargs['headers']['Content-Type'] = 'application/json'
if 'body' in kwargs:
kwargs['body'] = json.dumps(kwargs['body'])
def morph_response_body(self, body_string):
try:
return json.loads(body_string)
except ValueError:
raise exceptions.ResponseFormatError()
def _time_request(self, url, method, **kwargs):
start_time = time.time()
resp, body = self.request(url, method, **kwargs)
self.times.append(("%s %s" % (method, url),
start_time, time.time()))
return resp, body
def _cs_request(self, url, method, **kwargs):
def request():
kwargs.setdefault('headers', {})['X-Auth-Token'] = self.auth_token
if self.tenant:
kwargs['headers']['X-Auth-Project-Id'] = self.tenant
resp, body = self._time_request(self.service_url + url, method,
**kwargs)
return resp, body
if not self.auth_token or not self.service_url:
self.authenticate()
# Perform the request once. If we get a 401 back then it
# might be because the auth token expired, so try to
# re-authenticate and try again. If it still fails, bail.
try:
return request()
except exceptions.Unauthorized:
self.authenticate()
return request()
def get(self, url, **kwargs):
return self._cs_request(url, 'GET', **kwargs)
def patch(self, url, **kwargs):
return self._cs_request(url, 'PATCH', **kwargs)
def post(self, url, **kwargs):
return self._cs_request(url, 'POST', **kwargs)
def put(self, url, **kwargs):
return self._cs_request(url, 'PUT', **kwargs)
def delete(self, url, **kwargs):
return self._cs_request(url, 'DELETE', **kwargs)
def authenticate(self):
"""Auths the client and gets a token. May optionally set a service url.
The client will get auth errors until the authentication step
occurs. Additionally, if a service_url was not explicitly given in
the clients __init__ method, one will be obtained from the auth
service.
"""
catalog = self.authenticator.authenticate()
if self.service_url:
possible_service_url = None
else:
if self.endpoint_type == "publicURL":
possible_service_url = catalog.get_public_url()
elif self.endpoint_type == "adminURL":
possible_service_url = catalog.get_management_url()
self.authenticate_with_token(catalog.get_token(), possible_service_url)
def authenticate_with_token(self, token, service_url=None):
self.auth_token = token
if not self.service_url:
if not service_url:
raise exceptions.ServiceUrlNotGiven()
else:
self.service_url = service_url
class Dbaas(object):
"""Top-level object to access the Rackspace Database as a Service API.
Create an instance with your creds::
>> red = Dbaas(USERNAME, API_KEY, TENANT, AUTH_URL, SERVICE_NAME, \
SERVICE_URL)
Then call methods on its managers::
>> red.instances.list()
...
>> red.flavors.list()
...
&c.
"""
def __init__(self, username, api_key, tenant=None, auth_url=None,
service_type='database', service_name=None,
service_url=None, insecure=False, auth_strategy='keystone',
region_name=None, client_cls=TroveHTTPClient):
from troveclient.compat import versions
from troveclient.v1 import accounts
from troveclient.v1 import backups
from troveclient.v1 import clusters
from troveclient.v1 import configurations
from troveclient.v1 import databases
from troveclient.v1 import datastores
from troveclient.v1 import diagnostics
from troveclient.v1 import flavors
from troveclient.v1 import hosts
from troveclient.v1 import instances
from troveclient.v1 import limits
from troveclient.v1 import management
from troveclient.v1 import metadata
from troveclient.v1 import modules
from troveclient.v1 import quota
from troveclient.v1 import root
from troveclient.v1 import security_groups
from troveclient.v1 import storage
from troveclient.v1 import users
self.client = client_cls(username, api_key, tenant, auth_url,
service_type=service_type,
service_name=service_name,
service_url=service_url,
insecure=insecure,
auth_strategy=auth_strategy,
region_name=region_name)
self.versions = versions.Versions(self)
self.databases = databases.Databases(self)
self.flavors = flavors.Flavors(self)
self.instances = instances.Instances(self)
self.limits = limits.Limits(self)
self.users = users.Users(self)
self.root = root.Root(self)
self.hosts = hosts.Hosts(self)
self.quota = quota.Quotas(self)
self.backups = backups.Backups(self)
self.clusters = clusters.Clusters(self)
self.security_groups = security_groups.SecurityGroups(self)
self.security_group_rules = security_groups.SecurityGroupRules(self)
self.datastores = datastores.Datastores(self)
self.datastore_versions = datastores.DatastoreVersions(self)
self.datastore_version_members = (datastores.
DatastoreVersionMembers(self))
self.storage = storage.StorageInfo(self)
self.management = management.Management(self)
self.mgmt_cluster = management.MgmtClusters(self)
self.mgmt_flavor = management.MgmtFlavors(self)
self.accounts = accounts.Accounts(self)
self.diagnostics = diagnostics.DiagnosticsInterrogator(self)
self.hwinfo = diagnostics.HwInfoInterrogator(self)
self.configurations = configurations.Configurations(self)
config_parameters = configurations.ConfigurationParameters(self)
self.configuration_parameters = config_parameters
self.metadata = metadata.Metadata(self)
self.modules = modules.Modules(self)
self.mgmt_configs = management.MgmtConfigurationParameters(self)
self.mgmt_datastore_versions = management.MgmtDatastoreVersions(self)
class Mgmt(object):
def __init__(self, dbaas):
self.instances = dbaas.management
self.hosts = dbaas.hosts
self.accounts = dbaas.accounts
self.storage = dbaas.storage
self.datastore_version = dbaas.mgmt_datastore_versions
self.mgmt = Mgmt(self)
def set_management_url(self, url):
self.client.management_url = url
def get_timings(self):
return self.client.get_timings()
def authenticate(self):
"""Authenticate against the server.
This is called to perform an authentication to retrieve a token.
Returns on success; raises :exc:`exceptions.Unauthorized` if the
credentials are wrong.
"""
self.client.authenticate()
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