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|
#
# -------------------------------------------------------------------------
# Copyright (c) 2015-2017 AT&T Intellectual Property
#
# 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.
#
# -------------------------------------------------------------------------
#
# import json
# import os
import conductor.common.prometheus_metrics as PC
import cotyledon
from conductor import messaging
# from conductor import __file__ as conductor_root
from conductor.common.music import messaging as music_messaging
from conductor.common.utils import conductor_logging_util as log_util
from conductor.data.plugins.inventory_provider import extensions as ip_ext
from conductor.data.plugins.service_controller import extensions as sc_ext
from conductor.data.plugins.vim_controller import extensions as vc_ext
from conductor.i18n import _LE, _LI, _LW
from oslo_config import cfg
from oslo_log import log
# from stevedore import driver
# from conductor.solver.resource import region
# from conductor.solver.resource import service
LOG = log.getLogger(__name__)
CONF = cfg.CONF
DATA_OPTS = [
cfg.IntOpt('workers',
default=1,
min=1,
help='Number of workers for data service. '
'Default value is 1.'),
cfg.BoolOpt('concurrent',
default=False,
help='Set to True when data will run in active-active '
'mode. When set to False, data will flush any abandoned '
'messages at startup.'),
cfg.FloatOpt('existing_placement_cost',
default=-8000.0,
help='Default value is -8000, which is the diameter of the earth. '
'The distance cannot larger than this value'),
cfg.FloatOpt('cloud_candidate_cost',
default=2.0),
cfg.FloatOpt('service_candidate_cost',
default=1.0),
]
CONF.register_opts(DATA_OPTS, group='data')
class DataServiceLauncher(object):
"""Listener for the data service."""
def __init__(self, conf):
"""Initializer."""
self.conf = conf
# Initialize Prometheus metrics Endpoint
# Data service uses index 0
PC._init_metrics(0)
self.init_extension_managers(conf)
def init_extension_managers(self, conf):
"""Initialize extension managers."""
self.ip_ext_manager = (
ip_ext.Manager(conf, 'conductor.inventory_provider.plugin'))
self.ip_ext_manager.initialize()
self.vc_ext_manager = (
vc_ext.Manager(conf, 'conductor.vim_controller.plugin'))
self.vc_ext_manager.initialize()
self.sc_ext_manager = (
sc_ext.Manager(conf, 'conductor.service_controller.plugin'))
self.sc_ext_manager.initialize()
def run(self):
transport = messaging.get_transport(self.conf)
if transport:
topic = "data"
target = music_messaging.Target(topic=topic)
endpoints = [DataEndpoint(self.ip_ext_manager,
self.vc_ext_manager,
self.sc_ext_manager), ]
flush = not self.conf.data.concurrent
kwargs = {'transport': transport,
'target': target,
'endpoints': endpoints,
'flush': flush, }
svcmgr = cotyledon.ServiceManager()
svcmgr.add(music_messaging.RPCService,
workers=self.conf.data.workers,
args=(self.conf,), kwargs=kwargs)
svcmgr.run()
class DataEndpoint(object):
def __init__(self, ip_ext_manager, vc_ext_manager, sc_ext_manager):
self.ip_ext_manager = ip_ext_manager
self.vc_ext_manager = vc_ext_manager
self.sc_ext_manager = sc_ext_manager
self.plugin_cache = {}
self.triage_data_trans = {
'plan_id': None,
'plan_name': None,
'translator_triage': []
}
def get_candidate_location(self, ctx, arg):
# candidates should have lat long info already
error = False
location = None
candidate = arg["candidate"]
lat = candidate.get('latitude', None)
lon = candidate.get('longitude', None)
if lat and lon:
location = (float(lat), float(lon))
else:
error = True
return {'response': location, 'error': error}
def get_candidate_zone(self, ctx, arg):
candidate = arg["candidate"]
category = arg["category"]
zone = None
error = False
if category == 'region':
zone = candidate['location_id']
elif category == 'complex':
zone = candidate['complex_name']
elif category == 'country':
zone = candidate['country']
else:
error = True
if error:
LOG.error(_LE("Unresolvable zone category {}").format(category))
else:
LOG.info(_LI("Candidate zone is {}").format(zone))
return {'response': zone, 'error': error}
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_candidate_discard_set(self, value, candidate_list, value_attrib):
discard_set = set()
value_dict = value
value_condition = ''
value_list = None
if value_dict:
if "all" in value_dict:
value_list = value_dict.get("all")
value_condition = "all"
elif "any" in value_dict:
value_list = value_dict.get("any")
value_condition = "any"
if not value_list:
return discard_set
for candidate in candidate_list:
c_any = False
c_all = True
for value in value_list:
if candidate.get(value_attrib) == value:
c_any = True # include if any one is met
elif candidate.get(value_attrib) != value:
c_all = False # discard even if one is not met
if value_condition == 'any' and not c_any:
discard_set.add(candidate.get("candidate_id"))
elif value_condition == 'all' and not c_all:
discard_set.add(candidate.get("candidate_id"))
return discard_set
#(TODO:Larry) merge this function with the "get_candidate_discard_set"
def get_candidate_discard_set_by_cloud_region(self, value, candidate_list, value_attrib):
discard_set = set()
cloud_requests = value.get("cloud-requests")
service_requests = value.get("service-requests")
vfmodule_requests = value.get("vfmodule-requests")
for candidate in candidate_list:
if candidate.get("inventory_type") == "cloud" and \
(candidate.get(value_attrib) not in cloud_requests):
discard_set.add(candidate.get("candidate_id"))
elif candidate.get("inventory_type") == "service" and \
(candidate.get(value_attrib) not in service_requests):
discard_set.add(candidate.get("candidate_id"))
elif candidate.get("inventory_type") == "vfmodule" and \
(candidate.get(value_attrib) not in vfmodule_requests):
discard_set.add(candidate.get("candidate_id"))
return discard_set
def get_inventory_group_candidates(self, ctx, arg):
candidate_list = arg["candidate_list"]
resolved_candidate = arg["resolved_candidate"]
candidate_names = []
error = False
service_description = 'DHV_VVIG_PAIR'
results = self.ip_ext_manager.map_method(
'get_inventory_group_pairs',
service_description=service_description
)
if not results or len(results) < 1:
LOG.error(
_LE("Empty inventory group response for service: {}").format(
service_description))
error = True
else:
pairs = results[0]
if not pairs or len(pairs) < 1:
LOG.error(
_LE("No inventory group candidates found for service: {}, "
"inventory provider: {}").format(
service_description, self.ip_ext_manager.names()[0]))
error = True
else:
LOG.debug(
"Inventory group pairs: {}, service: {}, "
"inventory provider: {}".format(
pairs, service_description,
self.ip_ext_manager.names()[0]))
for pair in pairs:
if resolved_candidate.get("candidate_id") == pair[0]:
candidate_names.append(pair[1])
elif resolved_candidate.get("candidate_id") == pair[1]:
candidate_names.append(pair[0])
candidate_list = [c for c in candidate_list
if c["candidate_id"] in candidate_names]
LOG.info(
_LI("Inventory group candidates: {}, service: {}, "
"inventory provider: {}").format(
candidate_list, service_description,
self.ip_ext_manager.names()[0]))
return {'response': candidate_list, 'error': error}
def get_candidates_by_attributes(self, ctx, arg):
candidate_list = arg["candidate_list"]
# demand_name = arg["demand_name"]
properties = arg["properties"]
discard_set = set()
attributes_to_evaluate = properties.get('evaluate')
for attrib, value in attributes_to_evaluate.items():
if value == '':
continue
if attrib == 'network_roles':
role_candidates = dict()
role_list = []
nrc_dict = value
role_condition = ''
if nrc_dict:
if "all" in nrc_dict:
role_list = nrc_dict.get("all")
role_condition = "all"
elif "any" in nrc_dict:
role_list = nrc_dict.get("any")
role_condition = "any"
# if the role_list is empty do nothing
if not role_list or role_list == '':
LOG.error(
_LE("No roles available, "
"inventory provider: {}").format(
self.ip_ext_manager.names()[0]))
continue
for role in role_list:
# query inventory provider to check if
# the candidate is in role
results = self.ip_ext_manager.map_method(
'check_network_roles',
network_role_id=role
)
if not results or len(results) < 1:
LOG.error(
_LE("Empty response from inventory "
"provider {} for network role {}").format(
self.ip_ext_manager.names()[0], role))
continue
region_ids = results[0]
if not region_ids:
LOG.error(
_LE("No candidates from inventory provider {} "
"for network role {}").format(
self.ip_ext_manager.names()[0], role))
continue
LOG.debug(
"Network role candidates: {}, role: {},"
"inventory provider: {}".format(
region_ids, role,
self.ip_ext_manager.names()[0]))
role_candidates[role] = region_ids
# find candidates that meet conditions
for candidate in candidate_list:
# perform this check only for cloud candidates
if candidate["inventory_type"] != "cloud":
continue
c_any = False
c_all = True
for role in role_list:
if role not in role_candidates:
c_all = False
continue
rc = role_candidates.get(role)
if rc and candidate.get("candidate_id") not in rc:
c_all = False
# discard even if one role is not met
elif rc and candidate.get("candidate_id") in rc:
c_any = True
# include if any one role is met
if role_condition == 'any' and not c_any:
discard_set.add(candidate.get("candidate_id"))
elif role_condition == 'all' and not c_all:
discard_set.add(candidate.get("candidate_id"))
elif attrib == 'replication_role':
for candidate in candidate_list:
host_id = candidate.get("host_id")
if host_id:
results = self.ip_ext_manager.map_method(
'check_candidate_role',
host_id = host_id
)
if not results or len(results) < 1:
LOG.error(
_LE("Empty response for replication roles {}").format(role))
discard_set.add(candidate.get("candidate_id"))
continue
# compare results from A&AI with the value in attribute constraint
if value and results[0] != value.upper():
discard_set.add(candidate.get("candidate_id"))
elif attrib == 'complex':
v_discard_set = \
self.get_candidate_discard_set(
value=value,
candidate_list=candidate_list,
value_attrib="complex_name")
discard_set.update(v_discard_set)
elif attrib == "country":
v_discard_set = \
self.get_candidate_discard_set(
value=value,
candidate_list=candidate_list,
value_attrib="country")
discard_set.update(v_discard_set)
elif attrib == "state":
v_discard_set = \
self.get_candidate_discard_set(
value=value,
candidate_list=candidate_list,
value_attrib="state")
discard_set.update(v_discard_set)
elif attrib == "region":
v_discard_set = \
self.get_candidate_discard_set(
value=value,
candidate_list=candidate_list,
value_attrib="region")
discard_set.update(v_discard_set)
elif attrib == "cloud-region":
v_discard_set = \
self.get_candidate_discard_set_by_cloud_region(
value=value,
candidate_list=candidate_list,
value_attrib="location_id")
discard_set.update(v_discard_set)
# return candidates not in discard set
candidate_list[:] = [c for c in candidate_list
if c['candidate_id'] not in discard_set]
LOG.info(
"Available candidates after attribute checks: {}, "
"inventory provider: {}".format(
candidate_list, self.ip_ext_manager.names()[0]))
return {'response': candidate_list, 'error': False}
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 merge_directives(self, candidate_list, index, id, type, directives, feature_directives):
'''
Merge the flavor_directives with other diectives listed under hpa capabilities in the policy
:param candidate_list: all candidates
:param index: index number
:param id: vfc name
:param type: vfc type
:param directives: directives for each vfc
:param feature_directives: directives for hpa-features
:return:
'''
directive= {"id": id,
"type": type,
"directives": ""}
flavor_id_attributes = {"attribute_name": "flavorId", "attribute_value": ""}
for ele in directives:
if "flavor_directives" in ele.get("type"):
flag = True
if len(ele.get("attributes")) <= 1:
ele.get("attributes").append(flavor_id_attributes)
break
else:
flag = False
if not flag:
LOG.error("No flavor directives found in {}".format(id))
for item in feature_directives:
if item and item not in directives:
directives.append(item)
directive["directives"] = directives
candidate_list[index]["all_directives"]["directives"].append(directive)
def get_candidates_with_vim_capacity(self, ctx, arg):
'''
RPC for getting candidates with vim capacity
:param ctx: context
:param arg: contains input passed from client side for RPC call
:return: response candidate_list with with required vim capacity
'''
error = False
candidate_list = arg["candidate_list"]
vim_request = arg["request"]
vim_list = set()
discard_set = set()
for candidate in candidate_list:
if candidate["inventory_type"] == "cloud":
vim_list.add(candidate['vim-id'])
vim_request['VIMs'] = list(vim_list)
vims_result = self.vc_ext_manager.map_method(
'check_vim_capacity',
vim_request
)
if vims_result and len(vims_result) > 0 and vims_result[0] is not None:
vims_set = set(vims_result[0])
for candidate in candidate_list:
# perform this check only for cloud candidates
if candidate["inventory_type"] == "cloud":
if candidate['vim-id'] not in vims_set:
discard_set.add(candidate.get("candidate_id"))
# return candidates not in discard set
candidate_list[:] = [c for c in candidate_list
if c['candidate_id'] not in discard_set]
else:
error = True
LOG.warn(_LI(
"Multicloud did not respond properly to request: {}".format(
vim_request)))
LOG.info(_LI(
"Candidates with with vim capacity: {}, vim controller: "
"{}").format(candidate_list, self.vc_ext_manager.names()[0]))
return {'response': candidate_list, 'error': error}
def resolve_demands(self, ctx, arg):
log_util.setLoggerFilter(LOG, ctx.get('keyspace'), ctx.get('plan_id'))
error = False
demands = arg.get('demands')
plan_info = arg.get('plan_info')
triage_translator_data = arg.get('triage_translator_data')
resolved_demands = None
results = self.ip_ext_manager.map_method(
'resolve_demands',
demands, plan_info, triage_translator_data
)
if results and len(results) > 0:
resolved_demands = results[0]
if self.triage_data_trans['plan_id']== None :
self.triage_data_trans['plan_name'] = triage_translator_data['plan_name']
self.triage_data_trans['plan_id'] = triage_translator_data['plan_id']
self.triage_data_trans['translator_triage'].append(triage_translator_data['dropped_candidates'])
elif (not self.triage_data_trans['plan_id'] == triage_translator_data['plan_id']) :
self.triage_data_trans = {
'plan_id': None,
'plan_name': None,
'translator_triage': []
}
self.triage_data_trans['plan_name'] = triage_translator_data['plan_name']
self.triage_data_trans['plan_id'] = triage_translator_data['plan_id']
self.triage_data_trans['translator_triage'].append(triage_translator_data['dropped_candidates'])
else:
self.triage_data_trans['translator_triage'].append(triage_translator_data['dropped_candidates'])
else:
error = True
return {'response': {'resolved_demands': resolved_demands,
'trans': self.triage_data_trans},
'error': error }
def resolve_location(self, ctx, arg):
log_util.setLoggerFilter(LOG, ctx.get('keyspace'), ctx.get('plan_id'))
error = False
resolved_location = None
host_name = arg.get('host_name')
clli_code = arg.get('clli_code')
if host_name:
results = self.ip_ext_manager.map_method(
'resolve_host_location',
host_name
)
elif clli_code:
results = self.ip_ext_manager.map_method(
'resolve_clli_location',
clli_code
)
else:
results = None
# unknown location response
LOG.error(_LE("Unknown location type from the input template."
"Expected location types are host_name"
" or clli_code."))
if results and len(results) > 0:
resolved_location = results[0]
else:
error = True
return {'response': {'resolved_location': resolved_location},
'error': error}
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 do_something(self, ctx, arg):
# """RPC endpoint for data messages
#
# When another service sends a notification over the message
# bus, this method receives it.
# """
# LOG.debug("Got a message!")
#
# res = {
# 'note': 'do_something called!',
# 'arg': str(arg),
# }
# return {'response': res, 'error': False}
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