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# Copyright 2015 Infoblox Inc.
# 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 json as jsonutils
from oslo_log import log
from oslo_utils import strutils
from six.moves.urllib import parse
import requests
from designate.backend.impl_infoblox.config import cfg
from designate.backend.impl_infoblox import ibexceptions as exc
LOG = log.getLogger(__name__)
class Infoblox(object):
"""Infoblox class
Defines methods for getting, creating, updating and
removing objects from an Infoblox server instance.
"""
def __init__(self, options):
"""Initialize a new Infoblox object instance
Args:
options (dict): Target options dictionary
"""
config = cfg.CONF['backend:infoblox']
reqd_opts = ['wapi_url', 'username', 'password', 'ns_group']
other_opts = ['sslverify', 'network_view', 'dns_view', 'multi_tenant']
for opt in reqd_opts + other_opts:
if opt == 'sslverify' or opt == 'multi_tenant':
# NOTE(selvakumar): This check is for sslverify option.
# type of sslverify is unicode string from designate DB
# if the value is 0 getattr called for setting default values.
# to avoid setting default values we use oslo strutils
if not strutils.is_int_like(options.get(opt)):
option_value = options.get(opt)
else:
option_value = strutils.bool_from_string(options.get(opt),
default=True)
setattr(self, opt, option_value)
continue
setattr(self, opt, options.get(opt) or getattr(config, opt))
for opt in reqd_opts:
LOG.debug("self.%s = %s", opt, getattr(self, opt))
if not getattr(self, opt):
raise exc.InfobloxIsMisconfigured(option=opt)
self.session = requests.Session()
adapter = requests.adapters.HTTPAdapter(
pool_connections=config.http_pool_connections,
pool_maxsize=config.http_pool_maxsize)
self.session.mount('http://', adapter)
self.session.mount('https://', adapter)
self.session.auth = (self.username, self.password)
self.session.verify = self.sslverify
def _construct_url(self, relative_path, query_params=None, extattrs=None):
if query_params is None:
query_params = {}
if extattrs is None:
extattrs = {}
if not relative_path or relative_path[0] == '/':
raise ValueError('Path in request must be relative.')
query = ''
if query_params or extattrs:
query = '?'
if extattrs:
attrs_queries = []
for key, value in extattrs.items():
LOG.debug("key: %s, value: %s", key, value)
attrs_queries.append('*' + key + '=' + value['value'])
query += '&'.join(attrs_queries)
if query_params:
if len(query) > 1:
query += '&'
query += parse.urlencode(query_params)
baseurl = parse.urljoin(self.wapi_url, parse.quote(relative_path))
return baseurl + query
def _validate_objtype_or_die(self, objtype):
if not objtype:
raise ValueError('WAPI object type can\'t be empty.')
if '/' in objtype:
raise ValueError('WAPI object type can\'t contains slash.')
def get_object(self, objtype, payload=None, return_fields=None,
extattrs=None):
"""Retrieve a list of Infoblox objects of type 'objtype'
Args:
objtype (str): Infoblox object type, e.g. 'view', 'tsig', etc.
payload (dict): Payload with data to send
Returns:
A list of the Infoblox objects requested
Raises:
InfobloxObjectNotFound
"""
if return_fields is None:
return_fields = []
if extattrs is None:
extattrs = {}
self._validate_objtype_or_die(objtype)
query_params = dict()
if return_fields:
query_params['_return_fields'] = ','.join(return_fields)
headers = {'Content-type': 'application/json'}
data = jsonutils.dumps(payload)
url = self._construct_url(objtype, query_params, extattrs)
r = self.session.get(url,
data=data,
verify=self.sslverify,
headers=headers)
if r.status_code != requests.codes.ok:
raise exc.InfobloxSearchError(
response=jsonutils.loads(r.content),
objtype=objtype,
content=r.content,
code=r.status_code)
return jsonutils.loads(r.content)
def create_object(self, objtype, payload, return_fields=None):
"""Create an Infoblox object of type 'objtype'
Args:
objtype (str): Infoblox object type, e.g. 'network', 'range', etc.
payload (dict): Payload with data to send
Returns:
The object reference of the newly create object
Raises:
InfobloxException
"""
if not return_fields:
return_fields = []
self._validate_objtype_or_die(objtype)
query_params = dict()
if return_fields:
query_params['_return_fields'] = ','.join(return_fields)
url = self._construct_url(objtype, query_params)
headers = {'Content-type': 'application/json'}
r = self.session.post(url,
data=jsonutils.dumps(payload),
verify=self.sslverify,
headers=headers)
if r.status_code != requests.codes.CREATED:
raise exc.InfobloxCannotCreateObject(
response=jsonutils.loads(r.content),
objtype=objtype,
content=r.content,
args=payload,
code=r.status_code)
return jsonutils.loads(r.content)
def call_func(self, func_name, ref, payload, return_fields=None):
if not return_fields:
return_fields = []
query_params = dict()
query_params['_function'] = func_name
if return_fields:
query_params['_return_fields'] = ','.join(return_fields)
url = self._construct_url(ref, query_params)
headers = {'Content-type': 'application/json'}
r = self.session.post(url,
data=jsonutils.dumps(payload),
verify=self.sslverify,
headers=headers)
if r.status_code not in (requests.codes.CREATED,
requests.codes.ok):
raise exc.InfobloxFuncException(
response=jsonutils.loads(r.content),
ref=ref,
func_name=func_name,
content=r.content,
code=r.status_code)
return jsonutils.loads(r.content)
def update_object(self, ref, payload):
"""Update an Infoblox object
Args:
ref (str): Infoblox object reference
payload (dict): Payload with data to send
Returns:
The object reference of the updated object
Raises:
InfobloxException
"""
headers = {'Content-type': 'application/json'}
r = self.session.put(self._construct_url(ref),
data=jsonutils.dumps(payload),
verify=self.sslverify,
headers=headers)
if r.status_code != requests.codes.ok:
raise exc.InfobloxCannotUpdateObject(
response=jsonutils.loads(r.content),
ref=ref,
content=r.content,
code=r.status_code)
return jsonutils.loads(r.content)
def delete_object(self, ref):
"""Remove an Infoblox object
Args:
ref (str): Object reference
Returns:
The object reference of the removed object
Raises:
InfobloxException
"""
r = self.session.delete(self._construct_url(ref),
verify=self.sslverify)
if r.status_code != requests.codes.ok:
raise exc.InfobloxCannotDeleteObject(
response=jsonutils.loads(r.content),
ref=ref,
content=r.content,
code=r.status_code)
return jsonutils.loads(r.content)
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