xos/observers/vcpe/steps/sync_vcpetenant.py - xos - Gitiles

 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 observer.syncstep import SyncStep
 from observer.ansible import run_template_ssh
 from observers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
 from core.models import Service, Slice
 from cord.models import VCPEService, VCPETenant, VOLTTenant
 from hpc.models import HpcService, CDNPrefix
 from util.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)

 class SyncVCPETenant(SyncInstanceUsingAnsible):
     provides=[VCPETenant]
     observes=VCPETenant
     requested_interval=0
     template_name = "sync_vcpetenant.yaml"
     service_key_name = "/opt/xos/observers/vcpe/vcpe_private_key"

     def __init__(self, *args, **kwargs):
         super(SyncVCPETenant, self).__init__(*args, **kwargs)

     def fetch_pending(self, deleted):
         if (not deleted):
             objs = VCPETenant.get_tenant_objects().filter(Q(enacted__lt=F('updated')) | Q(enacted=None),Q(lazy_blocked=False))
         else:
             objs = VCPETenant.get_deleted_tenant_objects()

         return objs

     def get_vcpe_service(self, o):
         if not o.provider_service:
             return None

         vcpes = VCPEService.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
         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)
         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")

         dnsdemux_ip = dnsdemux_ip or "none"

         cdn_prefixes = []
         for prefix in CDNPrefix.objects.all():
             cdn_prefixes.append(prefix.prefix)

         # 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")
             if not bbs_addrs:
                 logger.info("failed to find any usable addresses on bbs_slice")
         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")

         vlan_ids = []
         if o.volt:
             vlan_ids.append(o.volt.vlan_id)

         try:
             full_setup = Config().observer_full_setup
         except:
             full_setup = True

         fields = {"vlan_ids": vlan_ids,
                 "dnsdemux_ip": dnsdemux_ip,
                 "cdn_prefixes": cdn_prefixes,
                 "bbs_addrs": bbs_addrs,
                 "full_setup": full_setup}

         # 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(SyncVCPETenant, 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.users

         # 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")
             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")
             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))
                     bbs.associate(o.hpc_client_ip)
                 else:
                     logger.info("no hpc_client_ip to associate")

                 logger.info("bbs update time %d" % int(time.time()-tStart))


     def run_playbook(self, o, fields):
         ansible_hash = hashlib.md5(repr(sorted(fields.items()))).hexdigest()
         quick_update = (o.last_ansible_hash == ansible_hash)

         if quick_update:
             logger.info("quick_update triggered; skipping ansible recipe")
         else:
             super(SyncVCPETenant, self).run_playbook(o, fields)

         o.last_ansible_hash = ansible_hash

     def delete_record(self, m):
         pass
	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 observer.syncstep import SyncStep
	from observer.ansible import run_template_ssh
	from observers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible
	from core.models import Service, Slice
	from cord.models import VCPEService, VCPETenant, VOLTTenant
	from hpc.models import HpcService, CDNPrefix
	from util.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)

	class SyncVCPETenant(SyncInstanceUsingAnsible):
	provides=[VCPETenant]
	observes=VCPETenant
	requested_interval=0
	template_name = "sync_vcpetenant.yaml"
	service_key_name = "/opt/xos/observers/vcpe/vcpe_private_key"

	def __init__(self, args, *kwargs):
	super(SyncVCPETenant, self).__init__(args, *kwargs)

	def fetch_pending(self, deleted):
	if (not deleted):
	objs = VCPETenant.get_tenant_objects().filter(Q(enacted__lt=F('updated')) \| Q(enacted=None),Q(lazy_blocked=False))
	else:
	objs = VCPETenant.get_deleted_tenant_objects()

	return objs

	def get_vcpe_service(self, o):
	if not o.provider_service:
	return None

	vcpes = VCPEService.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
	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)
	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")

	dnsdemux_ip = dnsdemux_ip or "none"

	cdn_prefixes = []
	for prefix in CDNPrefix.objects.all():
	cdn_prefixes.append(prefix.prefix)

	# 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")
	if not bbs_addrs:
	logger.info("failed to find any usable addresses on bbs_slice")
	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")

	vlan_ids = []
	if o.volt:
	vlan_ids.append(o.volt.vlan_id)

	try:
	full_setup = Config().observer_full_setup
	except:
	full_setup = True

	fields = {"vlan_ids": vlan_ids,
	"dnsdemux_ip": dnsdemux_ip,
	"cdn_prefixes": cdn_prefixes,
	"bbs_addrs": bbs_addrs,
	"full_setup": full_setup}

	# 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(SyncVCPETenant, 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.users

	# 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")
	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")
	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))
	bbs.associate(o.hpc_client_ip)
	else:
	logger.info("no hpc_client_ip to associate")

	logger.info("bbs update time %d" % int(time.time()-tStart))


	def run_playbook(self, o, fields):
	ansible_hash = hashlib.md5(repr(sorted(fields.items()))).hexdigest()
	quick_update = (o.last_ansible_hash == ansible_hash)

	if quick_update:
	logger.info("quick_update triggered; skipping ansible recipe")
	else:
	super(SyncVCPETenant, self).run_playbook(o, fields)

	o.last_ansible_hash = ansible_hash

	def delete_record(self, m):
	pass