def call_reservation_operation(self, ctx, arg):
result = True
reserved_candidates = None
method = arg["method"]
candidate_list = arg["candidate_list"]
reservation_name = arg["reservation_name"]
reservation_type = arg["reservation_type"]
controller = arg["controller"]
request = arg["request"]
if controller == "SDN-C":
results = self.sc_ext_manager.map_method(
'call_reservation_operation',
method=method,
candidate_list=candidate_list,
reservation_name=reservation_name,
reservation_type=reservation_type,
request=request)
if results and len(results) > 0:
reserved_candidates = results[0]
else:
LOG.error(_LE("Unknown service controller: {}").format(controller))
if reserved_candidates is None or not reserved_candidates:
result = False
LOG.debug(
_LW("Unable to {} for "
"candidate {}.").format(method, reserved_candidates))
return {'response': result, 'error': not result}
else:
LOG.debug("{} for the candidate: "
"{}".format(method, reserved_candidates))
return {'response': result, 'error': not result}
def get_candidates_from_service(self, ctx, arg):
candidate_list = arg["candidate_list"]
constraint_name = arg["constraint_name"]
constraint_type = arg["constraint_type"]
controller = arg["controller"]
request = arg["request"]
request_type = arg["request_type"]
error = False
filtered_candidates = []
# call service and fetch candidates
# TODO(jdandrea): Get rid of the SDN-C reference (outside of plugin!)
if controller == "SDN-C":
service_model = request.get("service_model")
results = self.sc_ext_manager.map_method(
'filter_candidates',
request=request,
candidate_list=candidate_list,
constraint_name=constraint_name,
constraint_type=constraint_type,
request_type=request_type)
if results and len(results) > 0:
filtered_candidates = results[0]
else:
LOG.warn(
_LW("No candidates returned by service "
"controller: {}; may be a new service "
"instantiation.").format(controller))
else:
LOG.error(_LE("Unknown service controller: {}").format(controller))
# if response from service controller is empty
if filtered_candidates is None:
if service_model == "ADIOD":
LOG.error("No capacity found from SDN-GC for candidates: "
"{}".format(candidate_list))
return {'response': [], 'error': error}
else:
LOG.debug("Filtered candidates: {}".format(filtered_candidates))
candidate_list = [
c for c in candidate_list if c in filtered_candidates
]
return {'response': candidate_list, 'error': error}
def get_candidates_with_hpa(self, ctx, arg):
'''
RPC for getting candidates flavor mapping for matching hpa
:param ctx: context
:param arg: contains input passed from client side for RPC call
:return: response candidate_list with matching label to flavor mapping
'''
error = False
candidate_list = arg["candidate_list"]
id = arg["id"]
type = arg["type"]
directives = arg["directives"]
attr = directives[0].get("attributes")
label_name = attr[0].get("attribute_name")
flavorProperties = arg["flavorProperties"]
discard_set = set()
for i in range(len(candidate_list)):
# perform this check only for cloud candidates
if candidate_list[i]["inventory_type"] != "cloud":
continue
# Check if flavor mapping for current label_name already
# exists. This is an invalid condition.
if candidate_list[i].get(
"directives") and attr[0].get("attribute_value") != "":
LOG.error(
_LE("Flavor mapping for label name {} already"
"exists").format(label_name))
continue
# RPC call to inventory provider for matching hpa capabilities
results = self.ip_ext_manager.map_method(
'match_hpa',
candidate=candidate_list[i],
features=flavorProperties)
flavor_name = None
if results and len(results) > 0 and results[0] is not None:
LOG.debug("Find results {} and results length {}".format(
results, len(results)))
flavor_info = results[0].get("flavor_map")
req_directives = results[0].get("directives")
LOG.debug("Get directives {}".format(req_directives))
else:
flavor_info = None
LOG.info(
_LW("No flavor mapping returned by "
"inventory provider: {} for candidate: {}").format(
self.ip_ext_manager.names()[0],
candidate_list[i].get("candidate_id")))
# Metrics to Prometheus
m_vim_id = candidate_list[i].get("vim-id")
if not flavor_info:
discard_set.add(candidate_list[i].get("candidate_id"))
PC.HPA_CLOUD_REGION_UNSUCCESSFUL.labels(
'ONAP', 'N/A', m_vim_id).inc()
else:
if not flavor_info.get("flavor-name"):
discard_set.add(candidate_list[i].get("candidate_id"))
PC.HPA_CLOUD_REGION_UNSUCCESSFUL.labels(
'ONAP', 'N/A', m_vim_id).inc()
else:
if not candidate_list[i].get("flavor_map"):
candidate_list[i]["flavor_map"] = {}
# Create flavor mapping for label_name to flavor
flavor_name = flavor_info.get("flavor-name")
flavor_id = flavor_info.get("flavor-id")
candidate_list[i]["flavor_map"][label_name] = flavor_name
candidate_list[i]["flavor_map"]["flavorId"] = flavor_id
# Create directives if not exist already
if not candidate_list[i].get("all_directives"):
candidate_list[i]["all_directives"] = {}
candidate_list[i]["all_directives"]["directives"] = []
# Create flavor mapping and merge directives
self.merge_directives(candidate_list, i, id, type,
directives, req_directives)
if not candidate_list[i].get("hpa_score"):
candidate_list[i]["hpa_score"] = 0
candidate_list[i]["hpa_score"] += flavor_info.get("score")
# Metrics to Prometheus
PC.HPA_CLOUD_REGION_SUCCESSFUL.labels(
'ONAP', 'N/A', m_vim_id).inc()
# return candidates not in discard set
candidate_list[:] = [
c for c in candidate_list if c['candidate_id'] not in discard_set
]
LOG.info(
_LI("Candidates with matching hpa capabilities: {}, "
"inventory provider: {}").format(
candidate_list,
self.ip_ext_manager.names()[0]))
return {'response': candidate_list, 'error': error}
def request(self,
method='get',
content_type='application/json',
path='',
headers=None,
data=None):
"""Performs HTTP request. Returns a requests.Response object."""
if method not in ('post', 'get', 'put', 'delete'):
method = 'get'
method_fn = getattr(self.session, method)
full_headers = {
'Accept': content_type,
'Content-Type': content_type,
}
if headers:
full_headers.update(headers)
full_url = '{}/{}'.format(self.server_url,
path.lstrip('/').rstrip('/'))
# Prepare the request args
try:
data_str = json.dumps(data) if data else None
except (TypeError, ValueError):
data_str = data
kwargs = {
'data': data_str,
'headers': full_headers,
'timeout': self.timeout,
'cert': (self.cert, self.key),
'verify': self.verify,
'stream': False,
}
if self.username or self.password:
LOG.debug("Using HTTPBasicAuth")
kwargs['auth'] = HTTPBasicAuth(self.username, self.password)
if self.cert and self.key:
LOG.debug("Using SSL/TLS Certificate/Key")
if self.log_debug:
LOG.debug("Request: {} {}".format(method.upper(), full_url))
if data:
LOG.debug("Request Body: {}".format(json.dumps(data)))
response = None
for attempt in range(self.retries):
if attempt > 0:
# No need to show 400 bad requests from Music - Ignorable when lock cannot be received at one particular point in time
if "MUSIC" not in full_url:
LOG.warn(
_LW("Retry #{}/{}").format(attempt + 1, self.retries))
try:
response = method_fn(full_url, **kwargs)
# We shouldn't have to do this since stream is set to False,
# but we're gonna anyway. See "Body Content Workflow" here:
# http://docs.python-requests.org/en/master/user/advanced/
response.close()
if not response.ok:
# No need to show 400 bad requests from Music - Ignorable when lock cannot be received at one particular point in time
if "MUSIC" not in full_url:
LOG.warn("Response Status: {} {}".format(
response.status_code, response.reason))
if self.log_debug and response.text:
try:
response_dict = json.loads(response.text)
LOG.debug("Response JSON: {}".format(
json.dumps(response_dict)))
except ValueError:
LOG.debug("Response Body: {}".format(response.text))
#response._content = response._content.decode()
if response.ok:
break
except requests.exceptions.RequestException as err:
LOG.error("Exception: %s", err.args)
# Response.__bool__ returns false if status is not ok. Ruh roh!
# That means we must check the object type vs treating it as a bool.
# More info: https://github.com/kennethreitz/requests/issues/2002
if isinstance(response, requests.models.Response) and not response.ok:
# No need to show 400 bad requests from Music - Ignorable when lock cannot be received at one particular point in time
if "MUSIC" not in full_url:
LOG.error(
_LE("Status {} {} after {} retries for URL: {}").format(
response.status_code, response.reason, self.retries,
full_url))
return response
