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# -*- coding: utf8 -*-
# ============LICENSE_START=======================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2020 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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.
#
# ============LICENSE_END============================================
import jinja2
import requests
import json
import os
import copy
import logging as logger
from onap_client.client.response import ResponseHandler
from onap_client.exceptions import FilesRequestFailure
from jinja2 import exceptions as jinja_exceptions
from requests.adapters import HTTPAdapter
from urllib3.util.retry import Retry
class RequestHandler:
"""Handles a APICatalogRequestObject to make a request
and returns a ResponseHandler object"""
def __init__(self, request_object):
"""
:request_object: APICatalogRequestObject
"""
self.request_object = request_object
def make_request(self, attempts, verify):
r = Request(self.request_object)
logger.info("Submitting request: {}".format(self.request_object.description))
# TODO
# Add verify to config file
return ResponseHandler(r.request(attempts, verify=verify), self.request_object)
class Request:
"""Parses a APICatalogRequestObject to fill out the
kwargs to send to the requests library"""
def __init__(self, request_object):
"""
:request_object: APICatalogRequestObject
"""
self.request_object = request_object
self.kwargs = {}
self.response = None
self.build_request()
def build_request(self):
request_object = self.request_object
if request_object.verb:
self.kwargs["method"] = request_object.verb
if request_object.auth:
self.kwargs["auth"] = request_object.auth
if request_object.uri:
self.kwargs["url"] = request_object.uri
if request_object.headers:
self.kwargs["headers"] = request_object.headers
if request_object.payload:
logger.info(self.kwargs.get("data"))
self.kwargs["data"] = request_object.payload
if request_object.files:
self.kwargs["files"] = request_object.files
debug_request = copy.deepcopy(self.kwargs)
if "auth" in debug_request:
debug_request["auth"] = "***********"
try:
logger.info(json.dumps(debug_request, indent=4))
except TypeError:
logger.info(debug_request)
def request(self, attempts, verify=True):
http = requests.Session()
retry_strategy = Retry(
total=attempts,
backoff_factor=5,
status_forcelist=[404, 429, 500, 501, 502, 503, 504],
method_whitelist=["HEAD", "GET", "PUT", "DELETE", "OPTIONS", "TRACE", "POST"],
raise_on_status=False
)
adapter = HTTPAdapter(max_retries=retry_strategy)
http.mount("https://", adapter)
http.mount("http://", adapter)
return http.request(**self.kwargs, verify=verify)
class APICatalogRequestObject:
"""Fills a APICatalogResource object with request-specific data"""
def __init__(self, api_catalog_resource, **kwargs):
"""
:api_catalog_resource: APICatalogResource object
:kwargs: key/value to fill in APICatalogResource parameters
"""
self.api_catalog_resource = api_catalog_resource
self.payload_parameters = kwargs.get("payload_parameters", {})
self.uri_parameters = kwargs.get("uri_parameters", {})
self.header_parameters = kwargs.get("header_parameters", {})
self.file_parameters = kwargs.get("file_parameters", {})
if api_catalog_resource.payload_path:
self.payload_path = kwargs.get("payload_path", {}).get(
api_catalog_resource.payload_path[0]
)
self.uri = ""
self.files = None
self.payload = None
self.verb = api_catalog_resource.verb
self.headers = api_catalog_resource.headers
self.success_code = api_catalog_resource.success_code
self.return_data = api_catalog_resource.return_data
self.auth = api_catalog_resource.auth
self.description = api_catalog_resource.description
if api_catalog_resource.payload or api_catalog_resource.payload_path:
self.resolve_payload()
if api_catalog_resource.file_parameters:
self.resolve_files()
if isinstance(self.headers, dict):
for k, v in self.header_parameters.items():
self.headers[k] = v
self.resolve_uri()
def resolve_files(self):
file_type = self.file_parameters.get("file_type", "application/zip")
file_path = self.file_parameters.get("file_path")
if not file_path:
raise FilesRequestFailure("File path was not provided")
try:
with open(file_path, "rb") as f:
data = f.read()
except IOError:
logger.error("file {} was not found".format(file_path))
raise
file_name = os.path.basename(file_path)
self.files = {"upload": [file_name, data, file_type]}
def resolve_payload(self):
try:
if self.api_catalog_resource.payload_path:
with open(self.payload_path, "r") as f:
self.payload = f.read()
else:
with open(self.api_catalog_resource.payload, "r") as f:
self.payload = jinja2.Template(f.read()).render(
**self.payload_parameters
)
except jinja_exceptions.TemplateNotFound:
logger.error(
"{} file not found. Check payloads directory.".format(self.payload)
)
raise
except FileNotFoundError:
logger.error(
"{} file not found. Check payloads directory.".format(self.payload)
)
raise
def resolve_uri(self):
try:
self.uri = self.api_catalog_resource.uri(**self.uri_parameters)
except KeyError:
logger.error("invalid uri keys {}.".format(self.uri_parameters))
raise
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