| import hashlib |
| import os |
| import socket |
| import sys |
| import base64 |
| import time |
| from django.db.models import F, Q |
| from xos.config import Config |
| from synchronizers.base.syncstep import SyncStep |
| from synchronizers.base.ansible import run_template_ssh |
| from synchronizers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible |
| from core.models import Service, Slice, Tag |
| from services.vsg.models import VSGService, VSGTenant |
| from services.hpc.models import HpcService, 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 broadbandshield import BBS |
| |
| logger = Logger(level=logging.INFO) |
| |
| ENABLE_QUICK_UPDATE=False |
| |
| CORD_USE_VTN = getattr(Config(), "networking_use_vtn", False) |
| |
| class SyncVSGTenant(SyncInstanceUsingAnsible): |
| provides=[VSGTenant] |
| observes=VSGTenant |
| requested_interval=0 |
| template_name = "sync_vcpetenant.yaml" |
| |
| def __init__(self, *args, **kwargs): |
| super(SyncVSGTenant, self).__init__(*args, **kwargs) |
| |
| def fetch_pending(self, deleted): |
| if (not deleted): |
| objs = VSGTenant.get_tenant_objects().filter(Q(enacted__lt=F('updated')) | Q(enacted=None),Q(lazy_blocked=False)) |
| else: |
| objs = VSGTenant.get_deleted_tenant_objects() |
| |
| return objs |
| |
| def get_vcpe_service(self, o): |
| if not o.provider_service: |
| return None |
| |
| vcpes = VSGService.get_service_objects().filter(id=o.provider_service.id) |
| if not vcpes: |
| return None |
| |
| return vcpes[0] |
| |
| def get_extra_attributes(self, o): |
| # This is a place to include extra attributes that aren't part of the |
| # object itself. In the case of vCPE, we need to know: |
| # 1) the addresses of dnsdemux, to setup dnsmasq in the vCPE |
| # 2) CDN prefixes, so we know what URLs to send to dnsdemux |
| # 3) BroadBandShield server addresses, for parental filtering |
| # 4) vlan_ids, for setting up networking in the vCPE VM |
| |
| vcpe_service = self.get_vcpe_service(o) |
| |
| dnsdemux_ip = None |
| cdn_prefixes = [] |
| |
| cdn_config_fn = "/opt/xos/synchronizers/vsg/cdn_config" |
| if os.path.exists(cdn_config_fn): |
| # manual CDN configuration |
| # the first line is the address of dnsredir |
| # the remaining lines are domain names, one per line |
| lines = file(cdn_config_fn).readlines() |
| if len(lines)>=2: |
| dnsdemux_ip = lines[0].strip() |
| cdn_prefixes = [x.strip() for x in lines[1:] if x.strip()] |
| else: |
| # automatic CDN configuiration |
| # it learns everything from CDN objects in XOS |
| # not tested on pod. |
| if vcpe_service.backend_network_label: |
| # Connect to dnsdemux using the network specified by |
| # vcpe_service.backend_network_label |
| for service in HpcService.objects.all(): |
| for slice in service.slices.all(): |
| if "dnsdemux" in slice.name: |
| for instance in slice.instances.all(): |
| for ns in instance.ports.all(): |
| if ns.ip and ns.network.labels and (vcpe_service.backend_network_label in ns.network.labels): |
| dnsdemux_ip = ns.ip |
| if not dnsdemux_ip: |
| logger.info("failed to find a dnsdemux on network %s" % vcpe_service.backend_network_label,extra=o.tologdict()) |
| else: |
| # Connect to dnsdemux using the instance's public address |
| for service in HpcService.objects.all(): |
| for slice in service.slices.all(): |
| if "dnsdemux" in slice.name: |
| for instance in slice.instances.all(): |
| if dnsdemux_ip=="none": |
| try: |
| dnsdemux_ip = socket.gethostbyname(instance.node.name) |
| except: |
| pass |
| if not dnsdemux_ip: |
| logger.info("failed to find a dnsdemux with a public address",extra=o.tologdict()) |
| |
| for prefix in CDNPrefix.objects.all(): |
| cdn_prefixes.append(prefix.prefix) |
| |
| dnsdemux_ip = dnsdemux_ip or "none" |
| |
| # Broadbandshield can either be set up internally, using vcpe_service.bbs_slice, |
| # or it can be setup externally using vcpe_service.bbs_server. |
| |
| bbs_addrs = [] |
| if vcpe_service.bbs_slice: |
| if vcpe_service.backend_network_label: |
| for bbs_instance in vcpe_service.bbs_slice.instances.all(): |
| for ns in bbs_instance.ports.all(): |
| if ns.ip and ns.network.labels and (vcpe_service.backend_network_label in ns.network.labels): |
| bbs_addrs.append(ns.ip) |
| else: |
| logger.info("unsupported configuration -- bbs_slice is set, but backend_network_label is not",extra=o.tologdict()) |
| if not bbs_addrs: |
| logger.info("failed to find any usable addresses on bbs_slice",extra=o.tologdict()) |
| elif vcpe_service.bbs_server: |
| bbs_addrs.append(vcpe_service.bbs_server) |
| else: |
| logger.info("neither bbs_slice nor bbs_server is configured in the vCPE",extra=o.tologdict()) |
| |
| s_tags = [] |
| c_tags = [] |
| if o.volt: |
| s_tags.append(o.volt.s_tag) |
| c_tags.append(o.volt.c_tag) |
| |
| try: |
| full_setup = Config().observer_full_setup |
| except: |
| full_setup = True |
| |
| safe_macs=[] |
| if vcpe_service.url_filter_kind == "safebrowsing": |
| if o.volt and o.volt.subscriber: |
| for user in o.volt.subscriber.devices: |
| level = user.get("level",None) |
| mac = user.get("mac",None) |
| if level in ["G", "PG"]: |
| if mac: |
| safe_macs.append(mac) |
| |
| fields = {"s_tags": s_tags, |
| "c_tags": c_tags, |
| "dnsdemux_ip": dnsdemux_ip, |
| "cdn_prefixes": cdn_prefixes, |
| "bbs_addrs": bbs_addrs, |
| "full_setup": full_setup, |
| "isolation": o.instance.isolation, |
| "safe_browsing_macs": safe_macs, |
| "container_name": "vcpe-%s-%s" % (s_tags[0], c_tags[0]), |
| "dns_servers": [x.strip() for x in vcpe_service.dns_servers.split(",")], |
| "url_filter_kind": vcpe_service.url_filter_kind } |
| |
| # add in the sync_attributes that come from the SubscriberRoot object |
| |
| if o.volt and o.volt.subscriber and hasattr(o.volt.subscriber, "sync_attributes"): |
| for attribute_name in o.volt.subscriber.sync_attributes: |
| fields[attribute_name] = getattr(o.volt.subscriber, attribute_name) |
| |
| return fields |
| |
| def sync_fields(self, o, fields): |
| # the super causes the playbook to be run |
| |
| super(SyncVSGTenant, self).sync_fields(o, fields) |
| |
| # now do all of our broadbandshield stuff... |
| |
| service = self.get_vcpe_service(o) |
| if not service: |
| # Ansible uses the service's keypair in order to SSH into the |
| # instance. It would be bad if the slice had no service. |
| |
| raise Exception("Slice %s is not associated with a service" % instance.slice.name) |
| |
| # Make sure the slice is configured properly |
| if (service != o.instance.slice.service): |
| raise Exception("Slice %s is associated with some service that is not %s" % (str(instance.slice), str(service))) |
| |
| # only enable filtering if we have a subscriber object (see below) |
| url_filter_enable = False |
| |
| # for attributes that come from CordSubscriberRoot |
| if o.volt and o.volt.subscriber: |
| url_filter_enable = o.volt.subscriber.url_filter_enable |
| url_filter_level = o.volt.subscriber.url_filter_level |
| url_filter_users = o.volt.subscriber.devices |
| |
| if service.url_filter_kind == "broadbandshield": |
| # disable url_filter if there are no bbs_addrs |
| if url_filter_enable and (not fields.get("bbs_addrs",[])): |
| logger.info("disabling url_filter because there are no bbs_addrs",extra=o.tologdict()) |
| url_filter_enable = False |
| |
| if url_filter_enable: |
| bbs_hostname = None |
| if service.bbs_api_hostname and service.bbs_api_port: |
| bbs_hostname = service.bbs_api_hostname |
| else: |
| # TODO: extract from slice |
| bbs_hostname = "cordcompute01.onlab.us" |
| |
| if service.bbs_api_port: |
| bbs_port = service.bbs_api_port |
| else: |
| bbs_port = 8018 |
| |
| if not bbs_hostname: |
| logger.info("broadbandshield is not configured",extra=o.tologdict()) |
| else: |
| tStart = time.time() |
| bbs = BBS(o.bbs_account, "123", bbs_hostname, bbs_port) |
| bbs.sync(url_filter_level, url_filter_users) |
| |
| if o.hpc_client_ip: |
| logger.info("associate account %s with ip %s" % (o.bbs_account, o.hpc_client_ip),extra=o.tologdict()) |
| bbs.associate(o.hpc_client_ip) |
| else: |
| logger.info("no hpc_client_ip to associate",extra=o.tologdict()) |
| |
| logger.info("bbs update time %d" % int(time.time()-tStart),extra=o.tologdict()) |
| |
| |
| def run_playbook(self, o, fields): |
| ansible_hash = hashlib.md5(repr(sorted(fields.items()))).hexdigest() |
| quick_update = (o.last_ansible_hash == ansible_hash) |
| |
| if ENABLE_QUICK_UPDATE and quick_update: |
| logger.info("quick_update triggered; skipping ansible recipe",extra=o.tologdict()) |
| else: |
| if o.instance.isolation in ["container", "container_vm"]: |
| super(SyncVSGTenant, self).run_playbook(o, fields, "sync_vcpetenant_new.yaml") |
| else: |
| if CORD_USE_VTN: |
| super(SyncVSGTenant, self).run_playbook(o, fields, template_name="sync_vcpetenant_vtn.yaml") |
| else: |
| super(SyncVSGTenant, self).run_playbook(o, fields) |
| |
| o.last_ansible_hash = ansible_hash |
| |
| def delete_record(self, m): |
| pass |