| |
| # 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 hashlib |
| import os |
| import socket |
| import sys |
| import base64 |
| import time |
| from urlparse import urlparse |
| from synchronizers.new_base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible |
| from synchronizers.new_base.modelaccessor import * |
| from synchronizers.new_base.ansible_helper import run_template_ssh |
| from xos.logger import Logger, logging |
| |
| # hpclibrary will be in steps/.. |
| parentdir = os.path.join(os.path.dirname(__file__),"..") |
| sys.path.insert(0,parentdir) |
| |
| logger = Logger(level=logging.INFO) |
| |
| ENABLE_QUICK_UPDATE=False |
| |
| class SyncVSGServiceInstance(SyncInstanceUsingAnsible): |
| provides=[VSGServiceInstance] |
| observes=VSGServiceInstance |
| requested_interval=0 |
| template_name = "sync_vsgserviceinstance.yaml" |
| watches = [ModelLink(ServiceDependency,via='servicedependency'), ModelLink(ServiceMonitoringAgentInfo,via='monitoringagentinfo')] |
| |
| def __init__(self, *args, **kwargs): |
| super(SyncVSGServiceInstance, self).__init__(*args, **kwargs) |
| |
| def get_vsg_service(self, o): |
| return o.owner.leaf_model |
| |
| 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 vSG, we need to know: |
| # 1) the addresses of dnsdemux, to setup dnsmasq in the vSG |
| # 2) CDN prefixes, so we know what URLs to send to dnsdemux |
| # 4) vlan_ids, for setting up networking in the vSG VM |
| |
| vsg_service = self.get_vsg_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()] |
| |
| dnsdemux_ip = dnsdemux_ip or "none" |
| |
| s_tags = [] |
| c_tags = [] |
| if o.volt: |
| s_tags.append(o.volt.s_tag) |
| c_tags.append(o.volt.c_tag) |
| |
| full_setup = True |
| |
| safe_macs=[] |
| if vsg_service.url_filter_kind == "safebrowsing": |
| if o.volt and o.volt.subscriber: |
| for user in o.volt.subscriber.devices and hasattr(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) |
| |
| docker_opts = [] |
| if vsg_service.docker_insecure_registry: |
| reg_name = vsg_service.docker_image_name.split("/",1)[0] |
| docker_opts.append("--insecure-registry " + reg_name) |
| |
| fields = {"s_tags": s_tags, |
| "c_tags": c_tags, |
| "docker_remote_image_name": vsg_service.docker_image_name, |
| "docker_local_image_name": vsg_service.docker_image_name, |
| "docker_opts": " ".join(docker_opts), |
| "dnsdemux_ip": dnsdemux_ip, |
| "cdn_prefixes": cdn_prefixes, |
| "full_setup": full_setup, |
| "isolation": o.instance.isolation, |
| "safe_browsing_macs": safe_macs, |
| "container_name": "vsg-%s-%s" % (s_tags[0], c_tags[0]), |
| "dns_servers": [x.strip() for x in vsg_service.dns_servers.split(",")], |
| "url_filter_kind": vsg_service.url_filter_kind } |
| |
| # Some subscriber models may not implement all fields that we look for, so specify some defaults. |
| fields["firewall_rules"] = "" |
| fields["firewall_enable"] = False |
| fields["url_filter_enable"] = False |
| fields["url_filter_level"] = "PG" |
| fields["cdn_enable"] = False |
| fields["uplink_speed"] = 1000000000 |
| fields["downlink_speed"] = 1000000000 |
| fields["enable_uverse"] = True |
| fields["status"] = "enabled" |
| |
| # add in the sync_attributes that come from the subscriber 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(SyncVSGServiceInstance, self).sync_fields(o, fields) |
| |
| 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"]: |
| raise Exception("Not implemented") |
| else: |
| super(SyncVSGServiceInstance, self).run_playbook(o, fields) |
| |
| o.last_ansible_hash = ansible_hash |
| |
| def sync_record(self, o): |
| if (not o.policed) or (o.policed<o.updated): |
| self.defer_sync(o, "waiting on model policy") |
| super(SyncVSGServiceInstance, self).sync_record(o) |
| |
| def delete_record(self, o): |
| if (not o.policed) or (o.policed<o.updated): |
| self.defer_sync(o, "waiting on model policy") |
| # do not call super, as we don't want to re-run the playbook |
| |
| def handle_service_monitoringagentinfo_watch_notification(self, monitoring_agent_info): |
| if not monitoring_agent_info.service: |
| logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is null" % (monitoring_agent_info)) |
| return |
| |
| if not monitoring_agent_info.target_uri: |
| logger.info("handle watch notifications for service monitoring agent info...ignoring because target_uri attribute in monitoring agent info:%s is null" % (monitoring_agent_info)) |
| return |
| |
| objs = VSGServiceInstance.objects.all() |
| for obj in objs: |
| if obj.owner.id != monitoring_agent_info.service.id: |
| logger.info("handle watch notifications for service monitoring agent info...ignoring because service attribute in monitoring agent info:%s is not matching" % (monitoring_agent_info)) |
| return |
| |
| instance = self.get_instance(obj) |
| if not instance: |
| logger.warn("handle watch notifications for service monitoring agent info...: No valid instance found for object %s" % (str(obj))) |
| return |
| |
| logger.info("handling watch notification for monitoring agent info:%s for VSGServiceInstance object:%s" % (monitoring_agent_info, obj)) |
| |
| #Run ansible playbook to update the routing table entries in the instance |
| fields = self.get_ansible_fields(instance) |
| fields["ansible_tag"] = obj.__class__.__name__ + "_" + str(obj.id) + "_service_monitoring" |
| |
| #Parse the monitoring agent target_uri |
| url = urlparse(monitoring_agent_info.target_uri) |
| |
| #Assuming target_uri is rabbitmq URI |
| fields["rabbit_user"] = url.username |
| fields["rabbit_password"] = url.password |
| fields["rabbit_host"] = url.hostname |
| |
| template_name = "sync_monitoring_agent.yaml" |
| super(SyncVSGServiceInstance, self).run_playbook(obj, fields, template_name) |
| |