Scott Baker | 7a32759 | 2016-06-20 17:34:06 -0700 | [diff] [blame^] | 1 | import hashlib |
| 2 | import os |
| 3 | import socket |
| 4 | import sys |
| 5 | import base64 |
| 6 | import time |
| 7 | import re |
| 8 | import json |
| 9 | from collections import OrderedDict |
| 10 | from django.db.models import F, Q |
| 11 | from xos.config import Config |
| 12 | from synchronizers.base.ansible import run_template |
| 13 | from synchronizers.base.syncstep import SyncStep |
| 14 | from synchronizers.base.ansible import run_template_ssh |
| 15 | from synchronizers.base.SyncInstanceUsingAnsible import SyncInstanceUsingAnsible |
| 16 | from core.models import Service, Slice, Controller, ControllerSlice, ControllerUser, Node, TenantAttribute, Tag |
| 17 | from services.onos.models import ONOSService, ONOSApp |
| 18 | from xos.logger import Logger, logging |
| 19 | from services.vrouter.models import VRouterService |
| 20 | from services.vtn.models import VTNService |
| 21 | from services.volt.models import VOLTService, VOLTDevice, AccessDevice |
| 22 | |
| 23 | # hpclibrary will be in steps/.. |
| 24 | parentdir = os.path.join(os.path.dirname(__file__),"..") |
| 25 | sys.path.insert(0,parentdir) |
| 26 | |
| 27 | logger = Logger(level=logging.INFO) |
| 28 | |
| 29 | class SyncONOSApp(SyncInstanceUsingAnsible): |
| 30 | provides=[ONOSApp] |
| 31 | observes=ONOSApp |
| 32 | requested_interval=0 |
| 33 | template_name = "sync_onosapp.yaml" |
| 34 | #service_key_name = "/opt/xos/synchronizers/onos/onos_key" |
| 35 | |
| 36 | def __init__(self, *args, **kwargs): |
| 37 | super(SyncONOSApp, self).__init__(*args, **kwargs) |
| 38 | |
| 39 | def fetch_pending(self, deleted): |
| 40 | if (not deleted): |
| 41 | objs = ONOSApp.get_tenant_objects().filter(Q(enacted__lt=F('updated')) | Q(enacted=None),Q(lazy_blocked=False)) |
| 42 | else: |
| 43 | objs = ONOSApp.get_deleted_tenant_objects() |
| 44 | |
| 45 | return objs |
| 46 | |
| 47 | def get_instance(self, o): |
| 48 | # We assume the ONOS service owns a slice, so pick one of the instances |
| 49 | # inside that slice to sync to. |
| 50 | |
| 51 | serv = self.get_onos_service(o) |
| 52 | |
| 53 | if serv.no_container: |
| 54 | raise Exception("get_instance() was called on a service that was marked no_container") |
| 55 | |
| 56 | if serv.slices.exists(): |
| 57 | slice = serv.slices.all()[0] |
| 58 | if slice.instances.exists(): |
| 59 | return slice.instances.all()[0] |
| 60 | |
| 61 | return None |
| 62 | |
| 63 | def get_onos_service(self, o): |
| 64 | if not o.provider_service: |
| 65 | return None |
| 66 | |
| 67 | onoses = ONOSService.get_service_objects().filter(id=o.provider_service.id) |
| 68 | if not onoses: |
| 69 | return None |
| 70 | |
| 71 | return onoses[0] |
| 72 | |
| 73 | def is_no_container(self, o): |
| 74 | return self.get_onos_service(o).no_container |
| 75 | |
| 76 | def skip_ansible_fields(self, o): |
| 77 | return self.is_no_container(o) |
| 78 | |
| 79 | def get_files_dir(self, o): |
| 80 | if not hasattr(Config(), "observer_steps_dir"): |
| 81 | # make steps_dir mandatory; there's no valid reason for it to not |
| 82 | # be defined. |
| 83 | raise Exception("observer_steps_dir is not defined in config file") |
| 84 | |
| 85 | step_dir = Config().observer_steps_dir |
| 86 | |
| 87 | return os.path.join(step_dir, "..", "files", str(self.get_onos_service(o).id), o.name) |
| 88 | |
| 89 | def get_cluster_configuration(self, o): |
| 90 | instance = self.get_instance(o) |
| 91 | if not instance: |
| 92 | raise Exception("No instance for ONOS App") |
| 93 | node_ips = [socket.gethostbyname(instance.node.name)] |
| 94 | |
| 95 | ipPrefix = ".".join(node_ips[0].split(".")[:3]) + ".*" |
| 96 | result = '{ "nodes": [' |
| 97 | result = result + ",".join(['{ "ip": "%s"}' % ip for ip in node_ips]) |
| 98 | result = result + '], "ipPrefix": "%s"}' % ipPrefix |
| 99 | return result |
| 100 | |
| 101 | def get_dynamic_parameter_value(self, o, param): |
| 102 | instance = self.get_instance(o) |
| 103 | if not instance: |
| 104 | raise Exception("No instance for ONOS App") |
| 105 | if param == 'rabbit_host': |
| 106 | return instance.controller.rabbit_host |
| 107 | if param == 'rabbit_user': |
| 108 | return instance.controller.rabbit_user |
| 109 | if param == 'rabbit_password': |
| 110 | return instance.controller.rabbit_password |
| 111 | if param == 'keystone_tenant_id': |
| 112 | cslice = ControllerSlice.objects.get(slice=instance.slice) |
| 113 | if not cslice: |
| 114 | raise Exception("Controller slice object for %s does not exist" % instance.slice.name) |
| 115 | return cslice.tenant_id |
| 116 | if param == 'keystone_user_id': |
| 117 | cuser = ControllerUser.objects.get(user=instance.creator) |
| 118 | if not cuser: |
| 119 | raise Exception("Controller user object for %s does not exist" % instance.creator) |
| 120 | return cuser.kuser_id |
| 121 | |
| 122 | def get_node_tag(self, o, node, tagname): |
| 123 | tags = Tag.select_by_content_object(node).filter(name=tagname) |
| 124 | return tags[0].value |
| 125 | |
| 126 | # Scan attrs for attribute name |
| 127 | # If it's not present, save it as a TenantAttribute |
| 128 | def attribute_default(self, tenant, attrs, name, default): |
| 129 | if name in attrs: |
| 130 | value = attrs[name] |
| 131 | else: |
| 132 | value = default |
| 133 | logger.info("saving default value %s for attribute %s" % (value, name)) |
| 134 | ta = TenantAttribute(tenant=tenant, name=name, value=value) |
| 135 | ta.save() |
| 136 | return value |
| 137 | |
| 138 | # This function currently assumes a single Deployment and Site |
| 139 | def get_vtn_config(self, o, attrs): |
| 140 | |
| 141 | privateGatewayMac = None |
| 142 | localManagementIp = None |
| 143 | ovsdbPort = None |
| 144 | sshPort = None |
| 145 | sshUser = None |
| 146 | sshKeyFile = None |
| 147 | mgmtSubnetBits = None |
| 148 | xosEndpoint = None |
| 149 | xosUser = None |
| 150 | xosPassword = None |
| 151 | |
| 152 | # VTN-specific configuration from the VTN Service |
| 153 | vtns = VTNService.get_service_objects().all() |
| 154 | if vtns: |
| 155 | vtn = vtns[0] |
| 156 | privateGatewayMac = vtn.privateGatewayMac |
| 157 | localManagementIp = vtn.localManagementIp |
| 158 | ovsdbPort = vtn.ovsdbPort |
| 159 | sshPort = vtn.sshPort |
| 160 | sshUser = vtn.sshUser |
| 161 | sshKeyFile = vtn.sshKeyFile |
| 162 | mgmtSubnetBits = vtn.mgmtSubnetBits |
| 163 | xosEndpoint = vtn.xosEndpoint |
| 164 | xosUser = vtn.xosUser |
| 165 | xosPassword = vtn.xosPassword |
| 166 | |
| 167 | # OpenStack endpoints and credentials |
| 168 | keystone_server = "http://keystone:5000/v2.0/" |
| 169 | user_name = "admin" |
| 170 | password = "ADMIN_PASS" |
| 171 | controllers = Controller.objects.all() |
| 172 | if controllers: |
| 173 | controller = controllers[0] |
| 174 | keystone_server = controller.auth_url |
| 175 | user_name = controller.admin_user |
| 176 | tenant_name = controller.admin_tenant |
| 177 | password = controller.admin_password |
| 178 | |
| 179 | data = { |
| 180 | "apps" : { |
| 181 | "org.onosproject.cordvtn" : { |
| 182 | "cordvtn" : { |
| 183 | "privateGatewayMac" : privateGatewayMac, |
| 184 | "localManagementIp": localManagementIp, |
| 185 | "ovsdbPort": ovsdbPort, |
| 186 | "ssh": { |
| 187 | "sshPort": sshPort, |
| 188 | "sshUser": sshUser, |
| 189 | "sshKeyFile": sshKeyFile |
| 190 | }, |
| 191 | "openstack": { |
| 192 | "endpoint": keystone_server, |
| 193 | "tenant": tenant_name, |
| 194 | "user": user_name, |
| 195 | "password": password |
| 196 | }, |
| 197 | "xos": { |
| 198 | "endpoint": xosEndpoint, |
| 199 | "user": xosUser, |
| 200 | "password": xosPassword |
| 201 | }, |
| 202 | "publicGateways": [], |
| 203 | "nodes" : [] |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | # Generate apps->org.onosproject.cordvtn->cordvtn->nodes |
| 210 | nodes = Node.objects.all() |
| 211 | for node in nodes: |
| 212 | nodeip = socket.gethostbyname(node.name) |
| 213 | |
| 214 | try: |
| 215 | bridgeId = self.get_node_tag(o, node, "bridgeId") |
| 216 | dataPlaneIntf = self.get_node_tag(o, node, "dataPlaneIntf") |
| 217 | dataPlaneIp = self.get_node_tag(o, node, "dataPlaneIp") |
| 218 | except: |
| 219 | logger.error("not adding node %s to the VTN configuration" % node.name) |
| 220 | continue |
| 221 | |
| 222 | node_dict = { |
| 223 | "hostname": node.name, |
| 224 | "hostManagementIp": "%s/%s" % (nodeip, mgmtSubnetBits), |
| 225 | "bridgeId": bridgeId, |
| 226 | "dataPlaneIntf": dataPlaneIntf, |
| 227 | "dataPlaneIp": dataPlaneIp |
| 228 | } |
| 229 | data["apps"]["org.onosproject.cordvtn"]["cordvtn"]["nodes"].append(node_dict) |
| 230 | |
| 231 | # Generate apps->org.onosproject.cordvtn->cordvtn->publicGateways |
| 232 | # Pull the gateway information from vRouter |
| 233 | vrouters = VRouterService.get_service_objects().all() |
| 234 | if vrouters: |
| 235 | for gateway in vrouters[0].get_gateways(): |
| 236 | gatewayIp = gateway['gateway_ip'].split('/',1)[0] |
| 237 | gatewayMac = gateway['gateway_mac'] |
| 238 | gateway_dict = { |
| 239 | "gatewayIp": gatewayIp, |
| 240 | "gatewayMac": gatewayMac |
| 241 | } |
| 242 | data["apps"]["org.onosproject.cordvtn"]["cordvtn"]["publicGateways"].append(gateway_dict) |
| 243 | |
| 244 | return json.dumps(data, indent=4, sort_keys=True) |
| 245 | |
| 246 | def get_volt_network_config(self, o, attrs): |
| 247 | try: |
| 248 | volt = VOLTService.get_service_objects().all()[0] |
| 249 | except: |
| 250 | return None |
| 251 | |
| 252 | devices = [] |
| 253 | for voltdev in volt.volt_devices.all(): |
| 254 | access_devices = [] |
| 255 | for access in voltdev.access_devices.all(): |
| 256 | access_device = { |
| 257 | "uplink" : access.uplink, |
| 258 | "vlan" : access.vlan |
| 259 | } |
| 260 | access_devices.append(access_device) |
| 261 | |
| 262 | if voltdev.access_agent: |
| 263 | agent = voltdev.access_agent |
| 264 | olts = {} |
| 265 | for port_mapping in agent.port_mappings.all(): |
| 266 | olts[port_mapping.port] = port_mapping.mac |
| 267 | agent_config = { |
| 268 | "olts" : olts, |
| 269 | "mac" : agent.mac |
| 270 | } |
| 271 | |
| 272 | device = { |
| 273 | voltdev.openflow_id : { |
| 274 | "accessDevice" : access_devices, |
| 275 | "accessAgent" : agent_config |
| 276 | }, |
| 277 | "basic" : { |
| 278 | "driver" : voltdev.driver |
| 279 | } |
| 280 | } |
| 281 | devices.append(device) |
| 282 | |
| 283 | data = { |
| 284 | "devices" : devices |
| 285 | } |
| 286 | return json.dumps(data, indent=4, sort_keys=True) |
| 287 | |
| 288 | def get_volt_component_config(self, o, attrs): |
| 289 | data = { |
| 290 | "org.ciena.onos.ext_notifier.KafkaNotificationBridge":{ |
| 291 | "rabbit.user": "<rabbit_user>", |
| 292 | "rabbit.password": "<rabbit_password>", |
| 293 | "rabbit.host": "<rabbit_host>", |
| 294 | "publish.kafka": "false", |
| 295 | "publish.rabbit": "true", |
| 296 | "volt.events.rabbit.topic": "notifications.info", |
| 297 | "volt.events.rabbit.exchange": "voltlistener", |
| 298 | "volt.events.opaque.info": "{project_id: <keystone_tenant_id>, user_id: <keystone_user_id>}", |
| 299 | "publish.volt.events": "true" |
| 300 | } |
| 301 | } |
| 302 | return json.dumps(data, indent=4, sort_keys=True) |
| 303 | |
| 304 | def get_vrouter_network_config(self, o, attrs): |
| 305 | # From the onosproject wiki: |
| 306 | # https://wiki.onosproject.org/display/ONOS/vRouter |
| 307 | data = { |
| 308 | "devices" : { |
| 309 | "of:00000000000000b1" : { |
| 310 | "basic" : { |
| 311 | "driver" : "softrouter" |
| 312 | } |
| 313 | } |
| 314 | }, |
| 315 | "ports" : { |
| 316 | "of:00000000000000b1/1" : { |
| 317 | "interfaces" : [ |
| 318 | { |
| 319 | "name" : "b1-1", |
| 320 | "ips" : [ "10.0.1.2/24" ], |
| 321 | "mac" : "00:00:00:00:00:01" |
| 322 | } |
| 323 | ] |
| 324 | }, |
| 325 | "of:00000000000000b1/2" : { |
| 326 | "interfaces" : [ |
| 327 | { |
| 328 | "name" : "b1-2", |
| 329 | "ips" : [ "10.0.2.2/24" ], |
| 330 | "mac" : "00:00:00:00:00:01" |
| 331 | } |
| 332 | ] |
| 333 | }, |
| 334 | "of:00000000000000b1/3" : { |
| 335 | "interfaces" : [ |
| 336 | { |
| 337 | "name" : "b1-3", |
| 338 | "ips" : [ "10.0.3.2/24" ], |
| 339 | "mac" : "00:00:00:00:00:01" |
| 340 | } |
| 341 | ] |
| 342 | }, |
| 343 | "of:00000000000000b1/4" : { |
| 344 | "interfaces" : [ |
| 345 | { |
| 346 | "name" : "b1-4", |
| 347 | "ips" : [ "10.0.4.2/24" ], |
| 348 | "mac" : "00:00:00:00:00:02", |
| 349 | "vlan" : "100" |
| 350 | } |
| 351 | ] |
| 352 | } |
| 353 | }, |
| 354 | "apps" : { |
| 355 | "org.onosproject.router" : { |
| 356 | "router" : { |
| 357 | "controlPlaneConnectPoint" : "of:00000000000000b1/5", |
| 358 | "ospfEnabled" : "true", |
| 359 | "interfaces" : [ "b1-1", "b1-2", "b1-2", "b1-4" ] |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | return json.dumps(data, indent=4, sort_keys=True) |
| 365 | |
| 366 | def write_configs(self, o): |
| 367 | o.config_fns = [] |
| 368 | o.rest_configs = [] |
| 369 | o.component_configs = [] |
| 370 | o.files_dir = self.get_files_dir(o) |
| 371 | |
| 372 | if not os.path.exists(o.files_dir): |
| 373 | os.makedirs(o.files_dir) |
| 374 | |
| 375 | # Combine the service attributes with the tenant attributes. Tenant |
| 376 | # attribute can override service attributes. |
| 377 | attrs = o.provider_service.serviceattribute_dict |
| 378 | attrs.update(o.tenantattribute_dict) |
| 379 | |
| 380 | ordered_attrs = attrs.keys() |
| 381 | |
| 382 | onos = self.get_onos_service(o) |
| 383 | if onos.node_key: |
| 384 | file(os.path.join(o.files_dir, "node_key"),"w").write(onos.node_key) |
| 385 | o.node_key_fn="node_key" |
| 386 | else: |
| 387 | o.node_key_fn=None |
| 388 | |
| 389 | o.early_rest_configs=[] |
| 390 | if ("cordvtn" in o.dependencies) and (not self.is_no_container(o)): |
| 391 | # For VTN, since it's running in a docker host container, we need |
| 392 | # to make sure it configures the cluster using the right ip addresses. |
| 393 | # NOTE: rest_onos/v1/cluster/configuration/ will reboot the cluster and |
| 394 | # must go first. |
| 395 | name="rest_onos/v1/cluster/configuration/" |
| 396 | value= self.get_cluster_configuration(o) |
| 397 | fn = name[5:].replace("/","_") |
| 398 | endpoint = name[5:] |
| 399 | file(os.path.join(o.files_dir, fn),"w").write(" " +value) |
| 400 | o.early_rest_configs.append( {"endpoint": endpoint, "fn": fn} ) |
| 401 | |
| 402 | # Generate config files and save them to the appropriate tenant attributes |
| 403 | configs = [] |
| 404 | for key, value in attrs.iteritems(): |
| 405 | if key == "autogenerate" and value: |
| 406 | for config in value.split(','): |
| 407 | configs.append(config.strip()) |
| 408 | |
| 409 | for label in configs: |
| 410 | config = None |
| 411 | value = None |
| 412 | if label == "vtn-network-cfg": |
| 413 | # Generate the VTN config file... where should this live? |
| 414 | config = "rest_onos/v1/network/configuration/" |
| 415 | value = self.get_vtn_config(o, attrs) |
| 416 | elif label == "volt-network-cfg": |
| 417 | config = "rest_onos/v1/network/configuration/" |
| 418 | value = self.get_volt_network_config(o, attrs) |
| 419 | elif label == "volt-component-cfg": |
| 420 | config = "component_config" |
| 421 | value = self.get_volt_component_config(o, attrs) |
| 422 | elif label == "vrouter-network-cfg": |
| 423 | config = "rest_onos/v1/network/configuration/" |
| 424 | value = self.get_vrouter_network_config(o, attrs) |
| 425 | |
| 426 | if config: |
| 427 | tas = TenantAttribute.objects.filter(tenant=o, name=config) |
| 428 | if tas: |
| 429 | ta = tas[0] |
| 430 | if ta.value != value: |
| 431 | logger.info("updating %s with autogenerated config" % config) |
| 432 | ta.value = value |
| 433 | ta.save() |
| 434 | attrs[config] = value |
| 435 | else: |
| 436 | logger.info("saving autogenerated config %s" % config) |
| 437 | ta = TenantAttribute(tenant=o, name=config, value=value) |
| 438 | ta.save() |
| 439 | attrs[config] = value |
| 440 | |
| 441 | for name in attrs.keys(): |
| 442 | value = attrs[name] |
| 443 | if name.startswith("config_"): |
| 444 | fn = name[7:] # .replace("_json",".json") |
| 445 | o.config_fns.append(fn) |
| 446 | file(os.path.join(o.files_dir, fn),"w").write(value) |
| 447 | if name.startswith("rest_"): |
| 448 | fn = name[5:].replace("/","_") |
| 449 | endpoint = name[5:] |
| 450 | # Ansible goes out of it's way to make our life difficult. If |
| 451 | # 'lookup' sees a file that it thinks contains json, then it'll |
| 452 | # insist on parsing and return a json object. We just want |
| 453 | # a string, so prepend a space and then strip the space off |
| 454 | # later. |
| 455 | file(os.path.join(o.files_dir, fn),"w").write(" " +value) |
| 456 | o.rest_configs.append( {"endpoint": endpoint, "fn": fn} ) |
| 457 | if name.startswith("component_config"): |
| 458 | components = json.loads(value,object_pairs_hook=OrderedDict) |
| 459 | for component in components.keys(): |
| 460 | config = components[component] |
| 461 | for key in config.keys(): |
| 462 | config_val = config[key] |
| 463 | found = re.findall('<(.+?)>',config_val) |
| 464 | for x in found: |
| 465 | #Get value corresponding to that string |
| 466 | val = self.get_dynamic_parameter_value(o, x) |
| 467 | if val: |
| 468 | config_val = re.sub('<'+x+'>', val, config_val) |
| 469 | #TODO: else raise an exception? |
| 470 | o.component_configs.append( {"component": component, "config_params": "'{\""+key+"\":\""+config_val+"\"}'"} ) |
| 471 | |
| 472 | def prepare_record(self, o): |
| 473 | self.write_configs(o) |
| 474 | |
| 475 | def get_extra_attributes_common(self, o): |
| 476 | fields = {} |
| 477 | |
| 478 | # These are attributes that are not dependent on Instance. For example, |
| 479 | # REST API stuff. |
| 480 | |
| 481 | onos = self.get_onos_service(o) |
| 482 | |
| 483 | fields["files_dir"] = o.files_dir |
| 484 | fields["appname"] = o.name |
| 485 | fields["rest_configs"] = o.rest_configs |
| 486 | fields["rest_hostname"] = onos.rest_hostname |
| 487 | fields["rest_port"] = onos.rest_port |
| 488 | |
| 489 | if o.dependencies: |
| 490 | fields["dependencies"] = [x.strip() for x in o.dependencies.split(",")] |
| 491 | else: |
| 492 | fields["dependencies"] = [] |
| 493 | |
| 494 | return fields |
| 495 | |
| 496 | def get_extra_attributes_full(self, o): |
| 497 | instance = self.get_instance(o) |
| 498 | |
| 499 | fields = self.get_extra_attributes_common(o) |
| 500 | |
| 501 | fields["config_fns"] = o.config_fns |
| 502 | fields["early_rest_configs"] = o.early_rest_configs |
| 503 | fields["component_configs"] = o.component_configs |
| 504 | fields["node_key_fn"] = o.node_key_fn |
| 505 | |
| 506 | if o.install_dependencies: |
| 507 | fields["install_dependencies"] = [x.strip() for x in o.install_dependencies.split(",")] |
| 508 | else: |
| 509 | fields["install_dependencies"] = [] |
| 510 | |
| 511 | if (instance.isolation=="container"): |
| 512 | fields["ONOS_container"] = "%s-%s" % (instance.slice.name, str(instance.id)) |
| 513 | else: |
| 514 | fields["ONOS_container"] = "ONOS" |
| 515 | return fields |
| 516 | |
| 517 | def get_extra_attributes(self, o): |
| 518 | if self.is_no_container(o): |
| 519 | return self.get_extra_attributes_common(o) |
| 520 | else: |
| 521 | return self.get_extra_attributes_full(o) |
| 522 | |
| 523 | def sync_fields(self, o, fields): |
| 524 | # the super causes the playbook to be run |
| 525 | super(SyncONOSApp, self).sync_fields(o, fields) |
| 526 | |
| 527 | def run_playbook(self, o, fields): |
| 528 | if self.is_no_container(o): |
| 529 | # There is no machine to SSH to, so use the synchronizer's |
| 530 | # run_template method directly. |
| 531 | run_template("sync_onosapp_nocontainer.yaml", fields) |
| 532 | else: |
| 533 | super(SyncONOSApp, self).run_playbook(o, fields) |
| 534 | |
| 535 | def delete_record(self, m): |
| 536 | pass |