| import hashlib |
| import os |
| import socket |
| import sys |
| import base64 |
| import time |
| import re |
| import json |
| from collections import OrderedDict |
| from django.db.models import F, Q |
| from xos.config import Config |
| from synchronizers.base.ansible import run_template |
| 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, Controller, ControllerSlice, ControllerUser, Node, TenantAttribute, Tag |
| from services.onos.models import ONOSService, ONOSApp |
| from xos.logger import Logger, logging |
| from services.vrouter.models import VRouterService |
| |
| # hpclibrary will be in steps/.. |
| parentdir = os.path.join(os.path.dirname(__file__),"..") |
| sys.path.insert(0,parentdir) |
| |
| logger = Logger(level=logging.INFO) |
| |
| class SyncONOSApp(SyncInstanceUsingAnsible): |
| provides=[ONOSApp] |
| observes=ONOSApp |
| requested_interval=0 |
| template_name = "sync_onosapp.yaml" |
| service_key_name = "/opt/xos/synchronizers/onos/onos_key" |
| |
| def __init__(self, *args, **kwargs): |
| super(SyncONOSApp, self).__init__(*args, **kwargs) |
| |
| def fetch_pending(self, deleted): |
| if (not deleted): |
| objs = ONOSApp.get_tenant_objects().filter(Q(enacted__lt=F('updated')) | Q(enacted=None),Q(lazy_blocked=False)) |
| else: |
| objs = ONOSApp.get_deleted_tenant_objects() |
| |
| return objs |
| |
| def get_instance(self, o): |
| # We assume the ONOS service owns a slice, so pick one of the instances |
| # inside that slice to sync to. |
| |
| serv = self.get_onos_service(o) |
| |
| if serv.no_container: |
| raise Exception("get_instance() was called on a service that was marked no_container") |
| |
| if serv.slices.exists(): |
| slice = serv.slices.all()[0] |
| if slice.instances.exists(): |
| return slice.instances.all()[0] |
| |
| return None |
| |
| def get_onos_service(self, o): |
| if not o.provider_service: |
| return None |
| |
| onoses = ONOSService.get_service_objects().filter(id=o.provider_service.id) |
| if not onoses: |
| return None |
| |
| return onoses[0] |
| |
| def is_no_container(self, o): |
| return self.get_onos_service(o).no_container |
| |
| def skip_ansible_fields(self, o): |
| return self.is_no_container(o) |
| |
| def get_files_dir(self, o): |
| if not hasattr(Config(), "observer_steps_dir"): |
| # make steps_dir mandatory; there's no valid reason for it to not |
| # be defined. |
| raise Exception("observer_steps_dir is not defined in config file") |
| |
| step_dir = Config().observer_steps_dir |
| |
| return os.path.join(step_dir, "..", "files", str(self.get_onos_service(o).id), o.name) |
| |
| def get_cluster_configuration(self, o): |
| instance = self.get_instance(o) |
| if not instance: |
| raise "No instance for ONOS App" |
| node_ips = [socket.gethostbyname(instance.node.name)] |
| |
| ipPrefix = ".".join(node_ips[0].split(".")[:3]) + ".*" |
| result = '{ "nodes": [' |
| result = result + ",".join(['{ "ip": "%s"}' % ip for ip in node_ips]) |
| result = result + '], "ipPrefix": "%s"}' % ipPrefix |
| return result |
| |
| def get_dynamic_parameter_value(self, o, param): |
| instance = self.get_instance(o) |
| if not instance: |
| raise "No instance for ONOS App" |
| if param == 'rabbit_host': |
| return instance.controller.rabbit_host |
| if param == 'rabbit_user': |
| return instance.controller.rabbit_user |
| if param == 'rabbit_password': |
| return instance.controller.rabbit_password |
| if param == 'keystone_tenant_id': |
| cslice = ControllerSlice.objects.get(slice=instance.slice) |
| if not cslice: |
| raise Exception("Controller slice object for %s does not exist" % instance.slice.name) |
| return cslice.tenant_id |
| if param == 'keystone_user_id': |
| cuser = ControllerUser.objects.get(user=instance.creator) |
| if not cuser: |
| raise Exception("Controller user object for %s does not exist" % instance.creator) |
| return cuser.kuser_id |
| |
| |
| def node_tag_default(self, o, node, tagname, default): |
| tags = Tag.select_by_content_object(node).filter(name=tagname) |
| if tags: |
| value = tags[0].value |
| else: |
| value = default |
| logger.info("node %s: saving default value %s for tag %s" % (node.name, value, tagname)) |
| service = self.get_onos_service(o) |
| tag = Tag(service=service, content_object=node, name=tagname, value=value) |
| tag.save() |
| return value |
| |
| # Scan attrs for attribute name |
| # If it's not present, save it as a TenantAttribute |
| def attribute_default(self, tenant, attrs, name, default): |
| if name in attrs: |
| value = attrs[name] |
| else: |
| value = default |
| logger.info("saving default value %s for attribute %s" % (value, name)) |
| ta = TenantAttribute(tenant=tenant, name=name, value=value) |
| ta.save() |
| return value |
| |
| # This function currently assumes a single Deployment and Site |
| def get_vtn_config(self, o, attrs): |
| |
| # The "attrs" argument contains a list of all service and tenant attributes |
| # If an attribute is present, use it in the configuration |
| # Otherwise save the attriute with a reasonable (for a CORD devel pod) default value |
| # The admin will see all possible configuration values and the assigned defaults |
| privateGatewayMac = self.attribute_default(o, attrs, "privateGatewayMac", "00:00:00:00:00:01") |
| localManagementIp = self.attribute_default(o, attrs, "localManagementIp", "172.27.0.1/24") |
| ovsdbPort = self.attribute_default(o, attrs, "ovsdbPort", "6641") |
| sshPort = self.attribute_default(o, attrs, "sshPort", "22") |
| sshUser = self.attribute_default(o, attrs, "sshUser", "root") |
| sshKeyFile = self.attribute_default(o, attrs, "sshKeyFile", "/root/node_key") |
| |
| # OpenStack endpoints and credentials |
| keystone_server = "http://keystone:5000/v2.0/" |
| user_name = "admin" |
| password = "ADMIN_PASS" |
| controllers = Controller.objects.all() |
| if controllers: |
| controller = controllers[0] |
| keystone_server = controller.auth_url |
| user_name = controller.admin_user |
| password = controller.admin_password |
| |
| # Put this in the controller object? Or fetch it from Keystone? |
| # Seems like VTN should be pulling it from Keystone |
| # For now let it be specified by a service / tenant attribute |
| neutron_server = self.attribute_default(o, attrs, "neutron_server", "http://neutron-api:9696/v2.0/") |
| |
| data = { |
| "apps" : { |
| "org.onosproject.cordvtn" : { |
| "cordvtn" : { |
| "privateGatewayMac" : privateGatewayMac, |
| "localManagementIp": localManagementIp, |
| "ovsdbPort": ovsdbPort, |
| "sshPort": sshPort, |
| "sshUser": sshUser, |
| "sshKeyFile": sshKeyFile, |
| "publicGateways": [], |
| "nodes" : [] |
| } |
| }, |
| "org.onosproject.openstackinterface" : { |
| "openstackinterface" : { |
| "do_not_push_flows" : "true", |
| "neutron_server" : neutron_server, |
| "keystone_server" : keystone_server, |
| "user_name" : user_name, |
| "password" : password |
| } |
| } |
| } |
| } |
| |
| # Generate apps->org.onosproject.cordvtn->cordvtn->nodes |
| |
| # We need to generate a CIDR address for the physical node's |
| # address on the management network |
| mgmtSubnetBits = self.attribute_default(o, attrs, "mgmtSubnetBits", "24") |
| |
| nodes = Node.objects.all() |
| for node in nodes: |
| nodeip = socket.gethostbyname(node.name) |
| |
| try: |
| bridgeId = self.node_tag_default(o, node, "bridgeId", "of:0000000000000001") |
| dataPlaneIntf = self.node_tag_default(o, node, "dataPlaneIntf", "veth1") |
| # This should be generated from the AddressPool if not present |
| dataPlaneIp = self.node_tag_default(o, node, "dataPlaneIp", "192.168.199.1/24") |
| except: |
| logger.error("not adding node %s to the VTN configuration" % node.name) |
| continue |
| |
| node_dict = { |
| "hostname": node.name, |
| "hostManagementIp": "%s/%s" % (nodeip, mgmtSubnetBits), |
| "bridgeId": bridgeId, |
| "dataPlaneIntf": dataPlaneIntf, |
| "dataPlaneIp": dataPlaneIp |
| } |
| data["apps"]["org.onosproject.cordvtn"]["cordvtn"]["nodes"].append(node_dict) |
| |
| # Generate apps->org.onosproject.cordvtn->cordvtn->publicGateways |
| # Pull the gateway information from vRouter |
| vrouters = VRouterService.get_service_objects().all() |
| if vrouters: |
| for gateway in vrouters[0].get_gateways(): |
| gatewayIp = gateway['gateway_ip'].split('/',1)[0] |
| gatewayMac = gateway['gateway_mac'] |
| gateway_dict = { |
| "gatewayIp": gatewayIp, |
| "gatewayMac": gatewayMac |
| } |
| data["apps"]["org.onosproject.cordvtn"]["cordvtn"]["publicGateways"].append(gateway_dict) |
| |
| return json.dumps(data, indent=4, sort_keys=True) |
| |
| def write_configs(self, o): |
| o.config_fns = [] |
| o.rest_configs = [] |
| o.component_configs = [] |
| o.files_dir = self.get_files_dir(o) |
| |
| if not os.path.exists(o.files_dir): |
| os.makedirs(o.files_dir) |
| |
| # Combine the service attributes with the tenant attributes. Tenant |
| # attribute can override service attributes. |
| attrs = o.provider_service.serviceattribute_dict |
| attrs.update(o.tenantattribute_dict) |
| |
| ordered_attrs = attrs.keys() |
| |
| onos = self.get_onos_service(o) |
| if onos.node_key: |
| file(os.path.join(o.files_dir, "node_key"),"w").write(onos.node_key) |
| o.node_key_fn="node_key" |
| else: |
| o.node_key_fn=None |
| |
| o.early_rest_configs=[] |
| if ("cordvtn" in o.dependencies) and (not self.is_no_container(o)): |
| # For VTN, since it's running in a docker host container, we need |
| # to make sure it configures the cluster using the right ip addresses. |
| # NOTE: rest_onos/v1/cluster/configuration/ will reboot the cluster and |
| # must go first. |
| name="rest_onos/v1/cluster/configuration/" |
| value= self.get_cluster_configuration(o) |
| fn = name[5:].replace("/","_") |
| endpoint = name[5:] |
| file(os.path.join(o.files_dir, fn),"w").write(" " +value) |
| o.early_rest_configs.append( {"endpoint": endpoint, "fn": fn} ) |
| |
| # Generate config files and save them to the appropriate tenant attributes |
| autogen = [] |
| for key, value in attrs.iteritems(): |
| if key == "autogenerate" and value: |
| autogen.append(value) |
| for label in autogen: |
| config = None |
| value = None |
| if label == "vtn-network-cfg": |
| # Generate the VTN config file... where should this live? |
| config = "rest_onos/v1/network/configuration/" |
| value = self.get_vtn_config(o, attrs) |
| if config: |
| tas = TenantAttribute.objects.filter(tenant=o, name=config) |
| if tas: |
| ta = tas[0] |
| if ta.value != value: |
| logger.info("updating %s with autogenerated config" % config) |
| ta.value = value |
| ta.save() |
| attrs[config] = value |
| else: |
| logger.info("saving autogenerated config %s" % config) |
| ta = TenantAttribute(tenant=o, name=config, value=value) |
| ta.save() |
| attrs[config] = value |
| |
| for name in attrs.keys(): |
| value = attrs[name] |
| if name.startswith("config_"): |
| fn = name[7:] # .replace("_json",".json") |
| o.config_fns.append(fn) |
| file(os.path.join(o.files_dir, fn),"w").write(value) |
| if name.startswith("rest_"): |
| fn = name[5:].replace("/","_") |
| endpoint = name[5:] |
| # Ansible goes out of it's way to make our life difficult. If |
| # 'lookup' sees a file that it thinks contains json, then it'll |
| # insist on parsing and return a json object. We just want |
| # a string, so prepend a space and then strip the space off |
| # later. |
| file(os.path.join(o.files_dir, fn),"w").write(" " +value) |
| o.rest_configs.append( {"endpoint": endpoint, "fn": fn} ) |
| if name.startswith("component_config"): |
| components = json.loads(value,object_pairs_hook=OrderedDict) |
| for component in components.keys(): |
| config = components[component] |
| for key in config.keys(): |
| config_val = config[key] |
| found = re.findall('<(.+?)>',config_val) |
| for x in found: |
| #Get value corresponding to that string |
| val = self.get_dynamic_parameter_value(o, x) |
| if val: |
| config_val = re.sub('<'+x+'>', val, config_val) |
| #TODO: else raise an exception? |
| o.component_configs.append( {"component": component, "config_params": "'{\""+key+"\":\""+config_val+"\"}'"} ) |
| |
| def prepare_record(self, o): |
| self.write_configs(o) |
| |
| def get_extra_attributes_common(self, o): |
| fields = {} |
| |
| # These are attributes that are not dependent on Instance. For example, |
| # REST API stuff. |
| |
| onos = self.get_onos_service(o) |
| |
| fields["files_dir"] = o.files_dir |
| fields["appname"] = o.name |
| fields["rest_configs"] = o.rest_configs |
| fields["rest_hostname"] = onos.rest_hostname |
| fields["rest_port"] = onos.rest_port |
| |
| if o.dependencies: |
| fields["dependencies"] = [x.strip() for x in o.dependencies.split(",")] |
| else: |
| fields["dependencies"] = [] |
| |
| return fields |
| |
| def get_extra_attributes_full(self, o): |
| instance = self.get_instance(o) |
| |
| fields = self.get_extra_attributes_common(o) |
| |
| fields["config_fns"] = o.config_fns |
| fields["early_rest_configs"] = o.early_rest_configs |
| fields["component_configs"] = o.component_configs |
| fields["node_key_fn"] = o.node_key_fn |
| |
| if o.install_dependencies: |
| fields["install_dependencies"] = [x.strip() for x in o.install_dependencies.split(",")] |
| else: |
| fields["install_dependencies"] = [] |
| |
| if (instance.isolation=="container"): |
| fields["ONOS_container"] = "%s-%s" % (instance.slice.name, str(instance.id)) |
| else: |
| fields["ONOS_container"] = "ONOS" |
| return fields |
| |
| def get_extra_attributes(self, o): |
| if self.is_no_container(o): |
| return self.get_extra_attributes_common(o) |
| else: |
| return self.get_extra_attributes_full(o) |
| |
| def sync_fields(self, o, fields): |
| # the super causes the playbook to be run |
| super(SyncONOSApp, self).sync_fields(o, fields) |
| |
| def run_playbook(self, o, fields): |
| if self.is_no_container(o): |
| # There is no machine to SSH to, so use the synchronizer's |
| # run_template method directly. |
| run_template("sync_onosapp_nocontainer.yaml", fields) |
| else: |
| super(SyncONOSApp, self).run_playbook(o, fields) |
| |
| def delete_record(self, m): |
| pass |