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##############################################################################
# Copyright 2018 EuropeanSoftwareMarketingLtd.
# ===================================================================
# Licensed under the ApacheLicense, Version2.0 (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
#
# 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 __future__ import absolute_import
import logging
import time
import os
import yaml
import copy
from vnftest.onap.steps import base
from vnftest.common import rest_client
from vnftest.common import constants as consts
LOG = logging.getLogger(__name__)
class OnapApiCall(base.Step):
__step_type__ = "OnapApiCall"
def __init__(self, step_cfg, context_cfg):
self.step_cfg = step_cfg
self.context_cfg = context_cfg
self.input = None
self.output = None
self.rest_def_file = None
self.setup_done = False
self.curr_path = os.path.dirname(os.path.abspath(__file__))
def setup(self):
options = self.step_cfg['options']
self.rest_def_file = options.get("file")
self.input = options.get("input")
self.output = options.get("output")
self.setup_done = True
def run(self, args):
if not self.setup_done:
self.setup()
params = copy.deepcopy(consts.component_constants)
for input_parameter in self.input:
param_name = input_parameter['parameter_name']
param_value = input_parameter['value']
params[param_name] = param_value
result = self.execute_operation(params)
result_body = result['body']
for output_parameter in self.output:
param_name = output_parameter['parameter_name']
param_path = output_parameter['path']
path_list = param_path.split("|")
param_value = result_body
for path_element in path_list:
param_value = param_value[path_element]
self.context_cfg[param_name] = param_value
def execute_operation(self, params, attempt=0):
try:
return self.execute_operation_impl(params)
except Exception as e:
LOG.info(str(e))
if attempt < 2:
time.sleep(15)
LOG.info("############# retry operation ##########")
attempt = attempt + 1
return self.execute_operation(params, attempt)
else:
raise e
def execute_operation_impl(self, params):
input_yaml = self.rest_def_file
LOG.info("########## processing " + input_yaml + "##########")
yaml_path = os.path.join(self.curr_path, input_yaml)
with open(yaml_path) as info:
operation = yaml.load(info)
operation = self.format(operation, params)
url = operation['url']
headers = operation['headers']
body = {}
if 'body' in operation:
body = operation['body']
LOG.info(url)
LOG.info(headers)
LOG.info(body)
if 'file' in operation:
file_path = operation['file']
LOG.info(file_path)
files = {'upload': open(file_path)}
result = rest_client.upload_file(url, headers, files, LOG)
else:
result = rest_client.call(url,
operation['method'],
headers,
body,
LOG)
if result['return_code'] >= 300:
raise RuntimeError(
"Operation failed. return_code:{}, message:{}".format(result['return_code'], result['body']))
LOG.info("Results: " + str(result))
return result
def format(self, d, params):
ret = None
if isinstance(d, dict):
ret = {}
for k, v in d.iteritems():
if isinstance(v, basestring):
v = self.format_string(v, params)
else:
v = self.format(v, params)
ret[k] = v
if isinstance(d, list):
ret = []
for v in d:
if isinstance(v, basestring):
v = self.format_string(v, params)
else:
v = self.format(v, params)
ret.append(v)
if isinstance(d, basestring):
ret = self.format_string(d, params)
return ret
def format_string(self, st, params):
try:
return st.format(**params)
except Exception as e:
s = str(e)
s = s.replace("'", "")
LOG.info(s)
params[s] = ""
LOG.info("param" + params[s])
return st.format(**params)
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