| # -*- coding: utf-8 -*- |
| |
| ## |
| # Copyright 2020 Telefonica Investigacion y Desarrollo, S.A.U. |
| # 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 logging |
| # import yaml |
| from traceback import format_exc as traceback_format_exc |
| from osm_ng_ro.ns_thread import NsWorker |
| from osm_ng_ro.validation import validate_input, deploy_schema |
| from osm_common import dbmongo, dbmemory, fslocal, fsmongo, msglocal, msgkafka, version as common_version |
| from osm_common.dbbase import DbException |
| from osm_common.fsbase import FsException |
| from osm_common.msgbase import MsgException |
| from http import HTTPStatus |
| from uuid import uuid4 |
| from threading import Lock |
| from random import choice as random_choice |
| from time import time |
| from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError |
| from cryptography.hazmat.primitives import serialization as crypto_serialization |
| from cryptography.hazmat.primitives.asymmetric import rsa |
| from cryptography.hazmat.backends import default_backend as crypto_default_backend |
| |
| __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>" |
| min_common_version = "0.1.16" |
| |
| |
| class NsException(Exception): |
| |
| def __init__(self, message, http_code=HTTPStatus.BAD_REQUEST): |
| self.http_code = http_code |
| super(Exception, self).__init__(message) |
| |
| |
| def get_process_id(): |
| """ |
| Obtain a unique ID for this process. If running from inside docker, it will get docker ID. If not it |
| will provide a random one |
| :return: Obtained ID |
| """ |
| # Try getting docker id. If fails, get pid |
| try: |
| with open("/proc/self/cgroup", "r") as f: |
| text_id_ = f.readline() |
| _, _, text_id = text_id_.rpartition("/") |
| text_id = text_id.replace("\n", "")[:12] |
| if text_id: |
| return text_id |
| except Exception: |
| pass |
| # Return a random id |
| return "".join(random_choice("0123456789abcdef") for _ in range(12)) |
| |
| |
| def versiontuple(v): |
| """utility for compare dot separate versions. Fills with zeros to proper number comparison""" |
| filled = [] |
| for point in v.split("."): |
| filled.append(point.zfill(8)) |
| return tuple(filled) |
| |
| |
| class Ns(object): |
| |
| def __init__(self): |
| self.db = None |
| self.fs = None |
| self.msg = None |
| self.config = None |
| # self.operations = None |
| self.logger = logging.getLogger("ro.ns") |
| self.map_topic = {} |
| self.write_lock = None |
| self.assignment = {} |
| self.next_worker = 0 |
| self.plugins = {} |
| self.workers = [] |
| |
| def init_db(self, target_version): |
| pass |
| |
| def start(self, config): |
| """ |
| Connect to database, filesystem storage, and messaging |
| :param config: two level dictionary with configuration. Top level should contain 'database', 'storage', |
| :param config: Configuration of db, storage, etc |
| :return: None |
| """ |
| self.config = config |
| self.config["process_id"] = get_process_id() # used for HA identity |
| # check right version of common |
| if versiontuple(common_version) < versiontuple(min_common_version): |
| raise NsException("Not compatible osm/common version '{}'. Needed '{}' or higher".format( |
| common_version, min_common_version)) |
| |
| try: |
| if not self.db: |
| if config["database"]["driver"] == "mongo": |
| self.db = dbmongo.DbMongo() |
| self.db.db_connect(config["database"]) |
| elif config["database"]["driver"] == "memory": |
| self.db = dbmemory.DbMemory() |
| self.db.db_connect(config["database"]) |
| else: |
| raise NsException("Invalid configuration param '{}' at '[database]':'driver'".format( |
| config["database"]["driver"])) |
| if not self.fs: |
| if config["storage"]["driver"] == "local": |
| self.fs = fslocal.FsLocal() |
| self.fs.fs_connect(config["storage"]) |
| elif config["storage"]["driver"] == "mongo": |
| self.fs = fsmongo.FsMongo() |
| self.fs.fs_connect(config["storage"]) |
| else: |
| raise NsException("Invalid configuration param '{}' at '[storage]':'driver'".format( |
| config["storage"]["driver"])) |
| if not self.msg: |
| if config["message"]["driver"] == "local": |
| self.msg = msglocal.MsgLocal() |
| self.msg.connect(config["message"]) |
| elif config["message"]["driver"] == "kafka": |
| self.msg = msgkafka.MsgKafka() |
| self.msg.connect(config["message"]) |
| else: |
| raise NsException("Invalid configuration param '{}' at '[message]':'driver'".format( |
| config["message"]["driver"])) |
| |
| # TODO load workers to deal with exising database tasks |
| |
| self.write_lock = Lock() |
| except (DbException, FsException, MsgException) as e: |
| raise NsException(str(e), http_code=e.http_code) |
| |
| def stop(self): |
| try: |
| if self.db: |
| self.db.db_disconnect() |
| if self.fs: |
| self.fs.fs_disconnect() |
| if self.msg: |
| self.msg.disconnect() |
| self.write_lock = None |
| except (DbException, FsException, MsgException) as e: |
| raise NsException(str(e), http_code=e.http_code) |
| for worker in self.workers: |
| worker.insert_task(("terminate",)) |
| |
| def _create_worker(self, vim_account_id): |
| # TODO make use of the limit self.config["global"]["server.ns_threads"] |
| worker_id = next((i for i in range(len(self.workers)) if not self.workers[i].is_alive()), None) |
| if worker_id is None: |
| worker_id = len(self.workers) |
| self.workers.append(NsWorker(worker_id, self.config, self.plugins, self.db)) |
| self.workers[worker_id].start() |
| self.workers[worker_id].insert_task(("load_vim", vim_account_id)) |
| return worker_id |
| |
| def _assign_vim(self, vim_account_id): |
| if vim_account_id not in self.assignment: |
| self.assignment[vim_account_id] = self._create_worker(vim_account_id) |
| |
| def _get_cloud_init(self, where): |
| """ |
| |
| :param where: can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex' |
| :return: |
| """ |
| vnfd_id, _, other = where.partition(":") |
| _type, _, name = other.partition(":") |
| vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) |
| if _type == "file": |
| base_folder = vnfd["_admin"]["storage"] |
| cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"], name) |
| with self.fs.file_open(cloud_init_file, "r") as ci_file: |
| cloud_init_content = ci_file.read() |
| elif _type == "vdu": |
| cloud_init_content = vnfd["vdu"][int(name)]["cloud-init"] |
| else: |
| raise NsException("Mismatch descriptor for cloud init: {}".format(where)) |
| return cloud_init_content |
| |
| def _parse_jinja2(self, cloud_init_content, params, context): |
| try: |
| env = Environment() |
| ast = env.parse(cloud_init_content) |
| mandatory_vars = meta.find_undeclared_variables(ast) |
| if mandatory_vars: |
| for var in mandatory_vars: |
| if not params or var not in params: |
| raise NsException( |
| "Variable '{}' defined at vnfd='{}' must be provided in the instantiation parameters" |
| "inside the 'additionalParamsForVnf' block".format(var, context)) |
| template = Template(cloud_init_content) |
| return template.render(params or {}) |
| |
| except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e: |
| raise NsException("Error parsing Jinja2 to cloud-init content at vnfd='{}': {}".format(context, e)) |
| |
| def _create_db_ro_nsrs(self, nsr_id, now): |
| try: |
| key = rsa.generate_private_key( |
| backend=crypto_default_backend(), |
| public_exponent=65537, |
| key_size=2048 |
| ) |
| private_key = key.private_bytes( |
| crypto_serialization.Encoding.PEM, |
| crypto_serialization.PrivateFormat.PKCS8, |
| crypto_serialization.NoEncryption()) |
| public_key = key.public_key().public_bytes( |
| crypto_serialization.Encoding.OpenSSH, |
| crypto_serialization.PublicFormat.OpenSSH |
| ) |
| private_key = private_key.decode('utf8') |
| public_key = public_key.decode('utf8') |
| except Exception as e: |
| raise NsException("Cannot create ssh-keys: {}".format(e)) |
| |
| schema_version = "1.1" |
| private_key_encrypted = self.db.encrypt(private_key, schema_version=schema_version, salt=nsr_id) |
| db_content = { |
| "_id": nsr_id, |
| "_admin": { |
| "created": now, |
| "modified": now, |
| "schema_version": schema_version |
| }, |
| "public_key": public_key, |
| "private_key": private_key_encrypted, |
| "actions": [], |
| } |
| self.db.create("ro_nsrs", db_content) |
| return db_content |
| |
| def deploy(self, session, indata, version, nsr_id, *args, **kwargs): |
| print("ns.deploy session={} indata={} version={} nsr_id={}".format(session, indata, version, nsr_id)) |
| validate_input(indata, deploy_schema) |
| action_id = indata.get("action_id", str(uuid4())) |
| task_index = 0 |
| # get current deployment |
| db_nsr = None |
| # db_nslcmop = None |
| db_nsr_update = {} # update operation on nsrs |
| db_vnfrs_update = {} |
| # db_nslcmop_update = {} # update operation on nslcmops |
| db_vnfrs = {} # vnf's info indexed by _id |
| vdu2cloud_init = {} |
| step = '' |
| logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id) |
| self.logger.debug(logging_text + "Enter") |
| try: |
| step = "Getting ns and vnfr record from db" |
| # db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| db_ro_tasks = [] |
| db_new_tasks = [] |
| # read from db: vnf's of this ns |
| step = "Getting vnfrs from db" |
| db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) |
| if not db_vnfrs_list: |
| raise NsException("Cannot obtain associated VNF for ns") |
| for vnfr in db_vnfrs_list: |
| db_vnfrs[vnfr["_id"]] = vnfr |
| db_vnfrs_update[vnfr["_id"]] = {} |
| now = time() |
| db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False) |
| if not db_ro_nsr: |
| db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now) |
| ro_nsr_public_key = db_ro_nsr["public_key"] |
| |
| # check that action_id is not in the list of actions. Suffixed with :index |
| if action_id in db_ro_nsr["actions"]: |
| index = 1 |
| while True: |
| new_action_id = "{}:{}".format(action_id, index) |
| if new_action_id not in db_ro_nsr["actions"]: |
| action_id = new_action_id |
| self.logger.debug(logging_text + "Changing action_id in use to {}".format(action_id)) |
| break |
| index += 1 |
| |
| def _create_task(item, action, target_record, target_record_id, extra_dict=None): |
| nonlocal task_index |
| nonlocal action_id |
| nonlocal nsr_id |
| |
| task = { |
| "action_id": action_id, |
| "nsr_id": nsr_id, |
| "task_id": "{}:{}".format(action_id, task_index), |
| "status": "SCHEDULED", |
| "action": action, |
| "item": item, |
| "target_record": target_record, |
| "target_record_id": target_record_id, |
| } |
| if extra_dict: |
| task.update(extra_dict) # params, find_params, depends_on |
| task_index += 1 |
| return task |
| |
| def _create_ro_task(vim_account_id, item, action, target_record, target_record_id, extra_dict=None): |
| nonlocal action_id |
| nonlocal task_index |
| nonlocal now |
| |
| _id = action_id + ":" + str(task_index) |
| db_ro_task = { |
| "_id": _id, |
| "locked_by": None, |
| "locked_at": 0.0, |
| "target_id": "vim:" + vim_account_id, |
| "vim_info": { |
| "created": False, |
| "created_items": None, |
| "vim_id": None, |
| "vim_name": None, |
| "vim_status": None, |
| "vim_details": None, |
| "refresh_at": None, |
| }, |
| "modified_at": now, |
| "created_at": now, |
| "to_check_at": now, |
| "tasks": [_create_task(item, action, target_record, target_record_id, extra_dict)], |
| } |
| return db_ro_task |
| |
| def _process_image_params(target_image, vim_info): |
| find_params = {} |
| if target_image.get("image"): |
| find_params["filter_dict"] = {"name": target_image.get("image")} |
| if target_image.get("vim_image_id"): |
| find_params["filter_dict"] = {"id": target_image.get("vim_image_id")} |
| if target_image.get("image_checksum"): |
| find_params["filter_dict"] = {"checksum": target_image.get("image_checksum")} |
| return {"find_params": find_params} |
| |
| def _process_flavor_params(target_flavor, vim_info): |
| |
| def _get_resource_allocation_params(quota_descriptor): |
| """ |
| read the quota_descriptor from vnfd and fetch the resource allocation properties from the |
| descriptor object |
| :param quota_descriptor: cpu/mem/vif/disk-io quota descriptor |
| :return: quota params for limit, reserve, shares from the descriptor object |
| """ |
| quota = {} |
| if quota_descriptor.get("limit"): |
| quota["limit"] = int(quota_descriptor["limit"]) |
| if quota_descriptor.get("reserve"): |
| quota["reserve"] = int(quota_descriptor["reserve"]) |
| if quota_descriptor.get("shares"): |
| quota["shares"] = int(quota_descriptor["shares"]) |
| return quota |
| |
| flavor_data = { |
| "disk": int(target_flavor["storage-gb"]), |
| # "ram": max(int(target_flavor["memory-mb"]) // 1024, 1), |
| # ^ TODO manage at vim_connectors MB instead of GB |
| "ram": int(target_flavor["memory-mb"]), |
| "vcpus": target_flavor["vcpu-count"], |
| } |
| if target_flavor.get("guest-epa"): |
| extended = {} |
| numa = {} |
| epa_vcpu_set = False |
| if target_flavor["guest-epa"].get("numa-node-policy"): |
| numa_node_policy = target_flavor["guest-epa"].get("numa-node-policy") |
| if numa_node_policy.get("node"): |
| numa_node = numa_node_policy["node"][0] |
| if numa_node.get("num-cores"): |
| numa["cores"] = numa_node["num-cores"] |
| epa_vcpu_set = True |
| if numa_node.get("paired-threads"): |
| if numa_node["paired-threads"].get("num-paired-threads"): |
| numa["paired-threads"] = int(numa_node["paired-threads"]["num-paired-threads"]) |
| epa_vcpu_set = True |
| if len(numa_node["paired-threads"].get("paired-thread-ids")): |
| numa["paired-threads-id"] = [] |
| for pair in numa_node["paired-threads"]["paired-thread-ids"]: |
| numa["paired-threads-id"].append( |
| (str(pair["thread-a"]), str(pair["thread-b"])) |
| ) |
| if numa_node.get("num-threads"): |
| numa["threads"] = int(numa_node["num-threads"]) |
| epa_vcpu_set = True |
| if numa_node.get("memory-mb"): |
| numa["memory"] = max(int(numa_node["memory-mb"] / 1024), 1) |
| if target_flavor["guest-epa"].get("mempage-size"): |
| extended["mempage-size"] = target_flavor["guest-epa"].get("mempage-size") |
| if target_flavor["guest-epa"].get("cpu-pinning-policy") and not epa_vcpu_set: |
| if target_flavor["guest-epa"]["cpu-pinning-policy"] == "DEDICATED": |
| if target_flavor["guest-epa"].get("cpu-thread-pinning-policy") and \ |
| target_flavor["guest-epa"]["cpu-thread-pinning-policy"] != "PREFER": |
| numa["cores"] = max(flavor_data["vcpus"], 1) |
| else: |
| numa["threads"] = max(flavor_data["vcpus"], 1) |
| epa_vcpu_set = True |
| if target_flavor["guest-epa"].get("cpu-quota") and not epa_vcpu_set: |
| cpuquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("cpu-quota")) |
| if cpuquota: |
| extended["cpu-quota"] = cpuquota |
| if target_flavor["guest-epa"].get("mem-quota"): |
| vduquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("mem-quota")) |
| if vduquota: |
| extended["mem-quota"] = vduquota |
| if target_flavor["guest-epa"].get("disk-io-quota"): |
| diskioquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("disk-io-quota")) |
| if diskioquota: |
| extended["disk-io-quota"] = diskioquota |
| if target_flavor["guest-epa"].get("vif-quota"): |
| vifquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("vif-quota")) |
| if vifquota: |
| extended["vif-quota"] = vifquota |
| if numa: |
| extended["numas"] = [numa] |
| if extended: |
| flavor_data["extended"] = extended |
| |
| extra_dict = {"find_params": {"flavor_data": flavor_data}} |
| flavor_data_name = flavor_data.copy() |
| flavor_data_name["name"] = target_flavor["name"] |
| extra_dict["params"] = {"flavor_data": flavor_data_name} |
| return extra_dict |
| |
| def _process_net_params(target_vld, vim_info): |
| nonlocal indata |
| extra_dict = {} |
| if vim_info.get("vim_network_name"): |
| extra_dict["find_params"] = {"filter_dict": {"name": vim_info.get("vim_network_name")}} |
| elif vim_info.get("vim_network_id"): |
| extra_dict["find_params"] = {"filter_dict": {"id": vim_info.get("vim_network_id")}} |
| elif target_vld.get("mgmt-network"): |
| extra_dict["find_params"] = {"mgmt": True, "name": target_vld["id"]} |
| else: |
| # create |
| extra_dict["params"] = { |
| "net_name": "{}-{}".format(indata["name"][:16], target_vld.get("name", target_vld["id"])[:16]), |
| "ip_profile": vim_info.get('ip_profile'), |
| "provider_network_profile": vim_info.get('provider_network'), |
| } |
| if not target_vld.get("underlay"): |
| extra_dict["params"]["net_type"] = "bridge" |
| else: |
| extra_dict["params"]["net_type"] = "ptp" if target_vld.get("type") == "ELINE" else "data" |
| return extra_dict |
| |
| def _process_vdu_params(target_vdu, vim_info): |
| nonlocal vnfr_id |
| nonlocal nsr_id |
| nonlocal indata |
| nonlocal vnfr |
| nonlocal vdu2cloud_init |
| vnf_preffix = "vnfrs:{}".format(vnfr_id) |
| ns_preffix = "nsrs:{}".format(nsr_id) |
| image_text = ns_preffix + ":image." + target_vdu["ns-image-id"] |
| flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"] |
| extra_dict = {"depends_on": [image_text, flavor_text]} |
| net_list = [] |
| for iface_index, interface in enumerate(target_vdu["interfaces"]): |
| if interface.get("ns-vld-id"): |
| net_text = ns_preffix + ":vld." + interface["ns-vld-id"] |
| else: |
| net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"] |
| extra_dict["depends_on"].append(net_text) |
| net_item = { |
| "name": interface["name"], |
| "net_id": "TASK-" + net_text, |
| "vpci": interface.get("vpci"), |
| "type": "virtual", |
| # TODO mac_address: used for SR-IOV ifaces #TODO for other types |
| # TODO floating_ip: True/False (or it can be None) |
| } |
| if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"): |
| net_item["use"] = "data" |
| net_item["model"] = interface["type"] |
| net_item["type"] = interface["type"] |
| elif interface.get("type") == "OM-MGMT" or interface.get("mgmt-interface") or \ |
| interface.get("mgmt-vnf"): |
| net_item["use"] = "mgmt" |
| else: # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"): |
| net_item["use"] = "bridge" |
| net_item["model"] = interface.get("type") |
| net_list.append(net_item) |
| if interface.get("mgmt-vnf"): |
| extra_dict["mgmt_vnf_interface"] = iface_index |
| elif interface.get("mgmt-interface"): |
| extra_dict["mgmt_vdu_interface"] = iface_index |
| |
| # cloud config |
| cloud_config = {} |
| if target_vdu.get("cloud-init"): |
| if target_vdu["cloud-init"] not in vdu2cloud_init: |
| vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init(target_vdu["cloud-init"]) |
| cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]] |
| cloud_config["user-data"] = self._parse_jinja2(cloud_content_, target_vdu.get("additionalParams"), |
| target_vdu["cloud-init"]) |
| if target_vdu.get("boot-data-drive"): |
| cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive") |
| ssh_keys = [] |
| if target_vdu.get("ssh-keys"): |
| ssh_keys += target_vdu.get("ssh-keys") |
| if target_vdu.get("ssh-access-required"): |
| ssh_keys.append(ro_nsr_public_key) |
| if ssh_keys: |
| cloud_config["key-pairs"] = ssh_keys |
| |
| extra_dict["params"] = { |
| "name": "{}-{}-{}-{}".format(indata["name"][:16], vnfr["member-vnf-index-ref"][:16], |
| target_vdu["vdu-name"][:32], target_vdu.get("count-index") or 0), |
| "description": target_vdu["vdu-name"], |
| "start": True, |
| "image_id": "TASK-" + image_text, |
| "flavor_id": "TASK-" + flavor_text, |
| "net_list": net_list, |
| "cloud_config": cloud_config or None, |
| "disk_list": None, # TODO |
| "availability_zone_index": None, # TODO |
| "availability_zone_list": None, # TODO |
| } |
| return extra_dict |
| |
| def _process_items(target_list, existing_list, db_record, db_update, db_path, item, process_params): |
| nonlocal db_ro_tasks |
| nonlocal db_new_tasks |
| nonlocal task_index |
| |
| # ensure all the target_list elements has an "id". If not assign the index |
| for target_index, tl in enumerate(target_list): |
| if tl and not tl.get("id"): |
| tl["id"] = str(target_index) |
| |
| # step 1 networks to be deleted/updated |
| for vld_index, existing_vld in enumerate(existing_list): |
| target_vld = next((vld for vld in target_list if vld["id"] == existing_vld["id"]), None) |
| for existing_vim_index, existing_vim_info in enumerate(existing_vld.get("vim_info", ())): |
| if not existing_vim_info: |
| continue |
| if target_vld: |
| target_viminfo = next((target_viminfo for target_viminfo in target_vld.get("vim_info", ()) |
| if existing_vim_info["vim_account_id"] == target_viminfo[ |
| "vim_account_id"]), None) |
| else: |
| target_viminfo = None |
| if not target_viminfo: |
| # must be deleted |
| self._assign_vim(existing_vim_info["vim_account_id"]) |
| db_new_tasks.append(_create_task( |
| item, "DELETE", |
| target_record="{}.{}.vim_info.{}".format(db_record, vld_index, existing_vim_index), |
| target_record_id="{}.{}".format(db_record, existing_vld["id"]))) |
| # TODO delete |
| # TODO check one by one the vims to be created/deleted |
| |
| # step 2 networks to be created |
| for target_vld in target_list: |
| vld_index = -1 |
| for vld_index, existing_vld in enumerate(existing_list): |
| if existing_vld["id"] == target_vld["id"]: |
| break |
| else: |
| vld_index += 1 |
| db_update[db_path + ".{}".format(vld_index)] = target_vld |
| existing_list.append(target_vld) |
| existing_vld = None |
| |
| for vim_index, vim_info in enumerate(target_vld["vim_info"]): |
| existing_viminfo = None |
| if existing_vld: |
| existing_viminfo = next( |
| (existing_viminfo for existing_viminfo in existing_vld.get("vim_info", ()) |
| if vim_info["vim_account_id"] == existing_viminfo["vim_account_id"]), None) |
| # TODO check if different. Delete and create??? |
| # TODO delete if not exist |
| if existing_viminfo: |
| continue |
| |
| extra_dict = process_params(target_vld, vim_info) |
| |
| self._assign_vim(vim_info["vim_account_id"]) |
| db_ro_tasks.append(_create_ro_task( |
| vim_info["vim_account_id"], item, "CREATE", |
| target_record="{}.{}.vim_info.{}".format(db_record, vld_index, vim_index), |
| target_record_id="{}.{}".format(db_record, target_vld["id"]), |
| extra_dict=extra_dict)) |
| |
| db_update[db_path + ".{}".format(vld_index)] = target_vld |
| |
| def _process_action(indata): |
| nonlocal db_ro_tasks |
| nonlocal db_new_tasks |
| nonlocal task_index |
| nonlocal db_vnfrs |
| nonlocal db_ro_nsr |
| |
| if indata["action"] == "inject_ssh_key": |
| key = indata.get("key") |
| user = indata.get("user") |
| password = indata.get("password") |
| for vnf in indata.get("vnf", ()): |
| if vnf.get("_id") not in db_vnfrs: |
| raise NsException("Invalid vnf={}".format(vnf["_id"])) |
| db_vnfr = db_vnfrs[vnf["_id"]] |
| for target_vdu in vnf.get("vdur", ()): |
| vdu_index, vdur = next((i_v for i_v in enumerate(db_vnfr["vdur"]) if |
| i_v[1]["id"] == target_vdu["id"]), (None, None)) |
| if not vdur: |
| raise NsException("Invalid vdu vnf={}.{}".format(vnf["_id"], target_vdu["id"])) |
| vim_info = vdur["vim_info"][0] |
| self._assign_vim(vim_info["vim_account_id"]) |
| target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(vnf["_id"], vdu_index) |
| extra_dict = { |
| "depends_on": ["vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])], |
| "params": { |
| "ip_address": vdur.gt("ip_address"), |
| "user": user, |
| "key": key, |
| "password": password, |
| "private_key": db_ro_nsr["private_key"], |
| "salt": db_ro_nsr["_id"], |
| "schema_version": db_ro_nsr["_admin"]["schema_version"] |
| } |
| } |
| db_ro_tasks.append(_create_ro_task(vim_info["vim_account_id"], "vdu", "EXEC", |
| target_record=target_record, |
| target_record_id=None, |
| extra_dict=extra_dict)) |
| |
| with self.write_lock: |
| if indata.get("action"): |
| _process_action(indata) |
| else: |
| # compute network differences |
| # NS.vld |
| step = "process NS VLDs" |
| _process_items(target_list=indata["ns"]["vld"] or [], existing_list=db_nsr.get("vld") or [], |
| db_record="nsrs:{}:vld".format(nsr_id), db_update=db_nsr_update, |
| db_path="vld", item="net", process_params=_process_net_params) |
| |
| step = "process NS images" |
| _process_items(target_list=indata["image"] or [], existing_list=db_nsr.get("image") or [], |
| db_record="nsrs:{}:image".format(nsr_id), |
| db_update=db_nsr_update, db_path="image", item="image", |
| process_params=_process_image_params) |
| |
| step = "process NS flavors" |
| _process_items(target_list=indata["flavor"] or [], existing_list=db_nsr.get("flavor") or [], |
| db_record="nsrs:{}:flavor".format(nsr_id), |
| db_update=db_nsr_update, db_path="flavor", item="flavor", |
| process_params=_process_flavor_params) |
| |
| # VNF.vld |
| for vnfr_id, vnfr in db_vnfrs.items(): |
| # vnfr_id need to be set as global variable for among others nested method _process_vdu_params |
| step = "process VNF={} VLDs".format(vnfr_id) |
| target_vnf = next((vnf for vnf in indata.get("vnf", ()) if vnf["_id"] == vnfr_id), None) |
| target_list = target_vnf.get("vld") if target_vnf else None |
| _process_items(target_list=target_list or [], existing_list=vnfr.get("vld") or [], |
| db_record="vnfrs:{}:vld".format(vnfr_id), db_update=db_vnfrs_update[vnfr["_id"]], |
| db_path="vld", item="net", process_params=_process_net_params) |
| |
| target_list = target_vnf.get("vdur") if target_vnf else None |
| step = "process VNF={} VDUs".format(vnfr_id) |
| _process_items(target_list=target_list or [], existing_list=vnfr.get("vdur") or [], |
| db_record="vnfrs:{}:vdur".format(vnfr_id), |
| db_update=db_vnfrs_update[vnfr["_id"]], db_path="vdur", item="vdu", |
| process_params=_process_vdu_params) |
| |
| step = "Updating database, Creating ro_tasks" |
| if db_ro_tasks: |
| self.db.create_list("ro_tasks", db_ro_tasks) |
| step = "Updating database, Appending tasks to ro_tasks" |
| for task in db_new_tasks: |
| if not self.db.set_one("ro_tasks", q_filter={"tasks.target_record": task["target_record"]}, |
| update_dict={"to_check_at": now, "modified_at": now}, |
| push={"tasks": task}, fail_on_empty=False): |
| self.logger.error(logging_text + "Cannot find task for target_record={}". |
| format(task["target_record"])) |
| # TODO something else appart from logging? |
| step = "Updating database, nsrs" |
| if db_nsr_update: |
| self.db.set_one("nsrs", {"_id": nsr_id}, db_nsr_update) |
| for vnfr_id, db_vnfr_update in db_vnfrs_update.items(): |
| if db_vnfr_update: |
| step = "Updating database, vnfrs={}".format(vnfr_id) |
| self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update) |
| |
| self.logger.debug(logging_text + "Exit") |
| return {"status": "ok", "nsr_id": nsr_id, "action_id": action_id}, action_id, True |
| |
| except Exception as e: |
| if isinstance(e, (DbException, NsException)): |
| self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e)) |
| else: |
| e = traceback_format_exc() |
| self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(step, e), exc_info=True) |
| raise NsException(e) |
| |
| def delete(self, session, indata, version, nsr_id, *args, **kwargs): |
| print("ns.delete session={} indata={} version={} nsr_id={}".format(session, indata, version, nsr_id)) |
| # TODO del when ALL "tasks.nsr_id" are None of nsr_id |
| # self.db.del_list({"_id": ro_task["_id"], "tasks.nsr_id.ne": nsr_id}) |
| retries = 5 |
| for retry in range(retries): |
| with self.write_lock: |
| ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id}) |
| if not ro_tasks: |
| break |
| now = time() |
| conflict = False |
| for ro_task in ro_tasks: |
| db_update = {} |
| to_delete = True |
| for index, task in enumerate(ro_task["tasks"]): |
| if not task: |
| pass |
| elif task["nsr_id"] == nsr_id: |
| db_update["tasks.{}".format(index)] = None |
| else: |
| to_delete = False # used by other nsr, cannot be deleted |
| # delete or update if nobody has changed ro_task meanwhile. Used modified_at for known if changed |
| if to_delete: |
| if not self.db.del_one("ro_tasks", |
| q_filter={"_id": ro_task["_id"], "modified_at": ro_task["modified_at"]}, |
| fail_on_empty=False): |
| conflict = True |
| elif db_update: |
| db_update["modified_at"] = now |
| if not self.db.set_one("ro_tasks", |
| q_filter={"_id": ro_task["_id"], "modified_at": ro_task["modified_at"]}, |
| update_dict=db_update, |
| fail_on_empty=False): |
| conflict = True |
| if not conflict: |
| break |
| else: |
| raise NsException("Exceeded {} retries".format(retries)) |
| |
| return None, None, True |
| |
| def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs): |
| print("ns.status session={} indata={} version={} nsr_id={}, action_id={}".format(session, indata, version, |
| nsr_id, action_id)) |
| task_list = [] |
| done = 0 |
| total = 0 |
| ro_tasks = self.db.get_list("ro_tasks", {"tasks.action_id": action_id}) |
| global_status = "DONE" |
| details = [] |
| for ro_task in ro_tasks: |
| for task in ro_task["tasks"]: |
| if task["action_id"] == action_id: |
| task_list.append(task) |
| total += 1 |
| if task["status"] == "FAILED": |
| global_status = "FAILED" |
| details.append(ro_task.get("vim_details", '')) |
| elif task["status"] in ("SCHEDULED", "BUILD"): |
| if global_status != "FAILED": |
| global_status = "BUILD" |
| else: |
| done += 1 |
| return_data = { |
| "status": global_status, |
| "details": ". ".join(details) if details else "progress {}/{}".format(done, total), |
| "nsr_id": nsr_id, |
| "action_id": action_id, |
| "tasks": task_list |
| } |
| return return_data, None, True |
| |
| def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs): |
| print("ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(session, indata, version, |
| nsr_id, action_id)) |
| return None, None, True |
| |
| def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs): |
| nsrs = self.db.get_list("nsrs", {}) |
| return_data = [] |
| for ns in nsrs: |
| return_data.append({"_id": ns["_id"], "name": ns["name"]}) |
| return return_data, None, True |
| |
| def get_actions(self, session, indata, version, nsr_id, action_id, *args, **kwargs): |
| ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id}) |
| return_data = [] |
| for ro_task in ro_tasks: |
| for task in ro_task["tasks"]: |
| if task["action_id"] not in return_data: |
| return_data.append(task["action_id"]) |
| return return_data, None, True |