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#
# -------------------------------------------------------------------------
# Copyright (C) 2021 Wipro Limited.
#
# 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.
#
# -------------------------------------------------------------------------
#
from conductor.common import rest
from conductor.i18n import _LE
from oslo_config import cfg
from oslo_log import log
import time
import uuid
LOG = log.getLogger(__name__)
CONF = cfg.CONF
CPS_OPTS = [
cfg.StrOpt('table_prefix',
default='cps',
help='Data Store table prefix.'),
cfg.StrOpt('server_url',
default='https://controller:8443/cps',
help='Base URL for CPS, up to and not including '
'the version, and without a trailing slash.'),
cfg.StrOpt('cps_rest_timeout',
default='30',
help='Timeout for CPS Rest Call'),
cfg.StrOpt('cps_retries',
default='3',
help='Number of retry for CPS Rest Call'),
# TODO(larry): follow-up with ONAP people on this (CPS basic auth username and password?)
cfg.StrOpt('certificate_file',
default='certificate.pem',
help='SSL/TLS certificate file in pem format. '
'This certificate must be registered with the CPS '
'endpoint.'),
cfg.StrOpt('certificate_key_file',
default='certificate_key.pem',
help='Private Certificate Key file in pem format.'),
cfg.StrOpt('certificate_authority_bundle_file',
default='certificate_authority_bundle.pem',
help='Certificate Authority Bundle file in pem format. '
'Must contain the appropriate trust chain for the '
'Certificate file.'),
cfg.StrOpt('username',
default='',
help='Username for CPS.'),
cfg.StrOpt('password',
default='',
help='Password for CPS.'),
cfg.StrOpt('get_ta_list_url',
default='',
help="url to get ta_list")
]
CONF.register_opts(CPS_OPTS, group='cps')
class CPS(object):
def __init__(self):
"""Initializer"""
self.conf = CONF
self.base = self.conf.cps.server_url.rstrip('/')
self.cert = self.conf.cps.certificate_file
self.key = self.conf.cps.certificate_key_file
self.verify = self.conf.cps.certificate_authority_bundle_file
self.timeout = self.conf.cps.cps_rest_timeout
self.retries = self.conf.cps.cps_retries
self.username = self.conf.cps.username
self.password = self.conf.cps.password
self._init_python_request()
def _request(self, method='post', path='/', data=None,
context=None, value=None):
"""Performs HTTP request."""
headers = {
'X-FromAppId': 'CONDUCTOR',
'X-TransactionId': str(uuid.uuid4()),
}
kwargs = {
"method": method,
"path": path,
"headers": headers,
"data": data,
}
# TODO(jdandrea): Move timing/response logging into the rest helper?
start_time = time.time()
response = self.rest.request(**kwargs)
elapsed = time.time() - start_time
LOG.debug("Total time for CPS request "
"({0:}: {1:}): {2:.3f} sec".format(context, value, elapsed))
if response is None:
LOG.error(_LE("No response from CPS ({}: {})").
format(context, value))
elif response.status_code != 200:
LOG.error(_LE("CPS request ({}: {}) returned HTTP "
"status {} {}, link: {}{}").
format(context, value,
response.status_code, response.reason,
self.base, path))
return response
def _init_python_request(self):
kwargs = {
"server_url": self.base,
"retries": self.retries,
"username": self.username,
"password": self.password,
"read_timeout": self.timeout,
}
self.rest = rest.REST(**kwargs)
def get_coveragearea_ta(self, args):
response = self.get_cps_response(args)
return response
def get_cps_response(self, args):
path = self.conf.cps.get_ta_list_url
data = {}
data['input'] = {'zone_id': args}
cps_response = self._request('post', path, data=data)
if cps_response is None or cps_response.status_code != 200:
return None
if cps_response:
return cps_response.json()
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