blob: 3ae182c7bc355d9f9795f34ce7737aa585afc931 [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# 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 os
import sys
import base64
from django.db.models import F, Q
from xos.config import Config
from synchronizers.base.syncstep import SyncStep
from core.models import Service
from services.hpc.models import ServiceProvider, ContentProvider, CDNPrefix
from xos.logger import Logger, logging
# hpclibrary will be in steps/..
parentdir = os.path.join(os.path.dirname(__file__),"..")
sys.path.insert(0,parentdir)
from hpclib import HpcLibrary
logger = Logger(level=logging.INFO)
class SyncCDNPrefix(SyncStep, HpcLibrary):
provides=[CDNPrefix]
observes=CDNPrefix
requested_interval=0
def __init__(self, **args):
SyncStep.__init__(self, **args)
HpcLibrary.__init__(self)
def filter_hpc_service(self, objs):
hpcService = self.get_hpc_service()
return [x for x in objs if x.contentProvider.serviceProvider.hpcService == hpcService]
def fetch_pending(self, deleted):
#self.consistency_check()
return self.filter_hpc_service(SyncStep.fetch_pending(self, deleted))
def consistency_check(self):
# set to true if something changed
result=False
# sanity check to make sure our PS objects have CMI objects behind them
all_p_ids = [x["cdn_prefix_id"] for x in self.client.onev.ListAll("CDNPrefix")]
all_p_ids = []
all_origins = {}
for x in self.client.onev.ListAll("CDNPrefix"):
id = x["cdn_prefix_id"]
all_p_ids.append(id)
all_origins[id] = x.get("default_origin_server", None)
for p in CDNPrefix.objects.all():
if (p.cdn_prefix_id is None):
continue
if (p.cdn_prefix_id not in all_p_ids):
logger.info("CDN Prefix %s was not found on CMI" % p.cdn_prefix_id)
p.cdn_prefix_id=None
p.save()
result = True
if (p.defaultOriginServer!=None) and (all_origins.get(p.cdn_prefix_id,None) != p.defaultOriginServer.url):
logger.info("CDN Prefix %s does not have default origin server on CMI" % str(p))
p.save() # this will set updated>enacted and force observer to re-sync
result = True
return result
def sync_record(self, cp):
logger.info("sync'ing cdn prefix %s" % str(cp),extra=cp.tologdict())
if (not cp.contentProvider) or (not cp.contentProvider.content_provider_id):
raise Exception("CDN Prefix %s is linked to a contentProvider without an id" % str(cp))
cpid = cp.contentProvider.content_provider_id
cp_dict = {"service": "HyperCache", "enabled": cp.enabled, "content_provider_id": cpid, "cdn_prefix": cp.prefix}
if cp.defaultOriginServer and cp.defaultOriginServer.url:
if (not cp.defaultOriginServer.origin_server_id):
# It's probably a bad idea to try to set defaultOriginServer before
# we've crated defaultOriginServer.
raise Exception("cdn prefix %s is waiting for it's default origin server to get an id" % str(cp))
cp_dict["default_origin_server"] = cp.defaultOriginServer.url
#print cp_dict
if not cp.cdn_prefix_id:
id = self.client.onev.Create("CDNPrefix", cp_dict)
cp.cdn_prefix_id = id
else:
del cp_dict["content_provider_id"] # this can't be updated
del cp_dict["cdn_prefix"] # this can't be updated either
self.client.onev.Update("CDNPrefix", cp.cdn_prefix_id, cp_dict)
cp.save()
def delete_record(self, m):
if m.cdn_prefix_id is not None:
self.client.onev.Delete("CDNPrefix", m.cdn_prefix_id)