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#
# -------------------------------------------------------------------------
# Copyright (C) 2020 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.data.plugins.inventory_provider.utils import csar
from conductor.i18n import _LE
import os
from oslo_config import cfg
from oslo_log import log
import time
import uuid
LOG = log.getLogger(__name__)
CONF = cfg.CONF
SDC_OPTS = [
cfg.StrOpt('table_prefix',
default='sdc',
help='Data Store table prefix.'),
cfg.StrOpt('server_url',
default='https://controller:8443/sdc',
help='Base URL for SDC, up to and not including '
'the version, and without a trailing slash.'),
cfg.StrOpt('sdc_rest_timeout',
default='30',
help='Timeout for SDC Rest Call'),
cfg.StrOpt('sdc_retries',
default='3',
help='Number of retry for SDC Rest Call'),
cfg.StrOpt('server_url_version',
default='v1',
help='The version of SDC in v# format.'),
# TODO(larry): follow-up with ONAP people on this (SDC 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 A&AI '
'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='',
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 SDC.'),
cfg.StrOpt('password',
default='',
help='Password for SDC.'),
cfg.StrOpt('temp_path',
default=',',
help="path to store nst templates")
]
CONF.register_opts(SDC_OPTS, group='sdc')
class SDC(object):
"""SDC Inventory Provider"""
def __init__(self):
"""Initializer"""
self.conf = CONF
self.base = self.conf.sdc.server_url.rstrip('/')
self.version = self.conf.sdc.server_url_version.rstrip('/')
self.cert = self.conf.sdc.certificate_file
self.key = self.conf.sdc.certificate_key_file
self.verify = self.conf.sdc.certificate_authority_bundle_file
self.timeout = self.conf.sdc.sdc_rest_timeout
self.retries = self.conf.sdc.sdc_retries
self.username = self.conf.sdc.username
self.password = self.conf.sdc.password
self._init_python_request()
def initialize(self):
"""Perform any late initialization."""
# Initialize the Python requests
# self._init_python_request()
def _sdc_versioned_path(self, path):
"""Return a URL path with the SDC version prepended"""
return '/{}/{}'.format(self.version, path.lstrip('/'))
def _request(self, method='get', path='/', data=None,
context=None, value=None):
"""Performs HTTP request."""
headers = {
'X-FromAppId': 'AAI',
'X-TransactionId': str(uuid.uuid4()),
'X-ECOMP-InstanceID': 'AAI',
}
kwargs = {
"method": method,
"path": path,
"headers": headers,
"data": data,
"content_type": "application/octet-stream"
}
# 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 SDC request "
"({0:}: {1:}): {2:.3f} sec".format(context, value, elapsed))
if response is None:
LOG.error(_LE("No response from SDC ({}: {})").
format(context, value))
elif response.status_code != 200:
LOG.error(_LE("SDC 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,
"ca_bundle_file": self.verify,
}
self.rest = rest.REST(**kwargs)
def update_candidates(self, candidates):
absfilepath = self.conf.sdc.temp_path
candidateslist = []
for candidate in candidates:
model_ver_obj = candidate.model_ver_info
model_name = model_ver_obj['model_name']
self.model_version_id = candidate.candidate_id
response = self.get_nst_template(self.model_version_id)
filepath = os.path.join(absfilepath, "{}.csar".format(self.model_version_id))
if not os.path.exists(absfilepath):
os.makedirs(absfilepath)
f = open(filepath, "wb")
file_res = response.content
f.write(file_res)
obj = csar.SDCCSAR(filepath, model_name)
nst_temp_prop = obj.validate()
nst_properties = self.get_nst_prop_dict(nst_temp_prop)
candidate.profile_info = nst_properties
finalcandidate = candidate.convert_nested_dict_to_dict()
candidateslist.append(finalcandidate)
return candidateslist
def get_nst_prop_dict(self, nst_properties):
properties_dict = dict()
for key in list(nst_properties):
temp_dict = nst_properties[key]
for temp_key in list(temp_dict):
if "default" in temp_key:
properties_dict[key] = temp_dict[temp_key]
return properties_dict
def get_nst_template(self, ver_id):
raw_path = "/catalog/services/{}/toscaModel".format(ver_id)
path = self._sdc_versioned_path(raw_path)
sdc_response = self._request('get', path, data=None)
if sdc_response is None or sdc_response.status_code != 200:
return None
if sdc_response:
return sdc_response
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