| #!/usr/bin/python3 |
| # -*- coding: utf-8 -*- |
| |
| import asyncio |
| import yaml |
| import ROclient |
| import dbmemory |
| import dbmongo |
| import fslocal |
| import msglocal |
| import msgkafka |
| import logging |
| import functools |
| from dbbase import DbException |
| from fsbase import FsException |
| from msgbase import MsgException |
| from os import environ |
| # from vca import DeployApplication, RemoveApplication |
| from n2vc.vnf import N2VC |
| import os.path |
| import time |
| |
| from copy import deepcopy |
| from http import HTTPStatus |
| |
| class LcmException(Exception): |
| pass |
| |
| |
| class Lcm: |
| |
| def __init__(self, config_file): |
| """ |
| Init, Connect to database, filesystem storage, and messaging |
| :param config: two level dictionary with configuration. Top level should contain 'database', 'storage', |
| :return: None |
| """ |
| # contains created tasks/futures to be able to cancel |
| self.lcm_tasks = {} |
| # logging |
| self.logger = logging.getLogger('lcm') |
| # load configuration |
| config = self.read_config_file(config_file) |
| self.config = config |
| self.ro_config={ |
| "endpoint_url": "http://{}:{}/openmano".format(config["RO"]["host"], config["RO"]["port"]), |
| "tenant": config.get("tenant", "osm"), |
| "logger_name": "lcm.ROclient", |
| "loglevel": "ERROR", |
| } |
| |
| self.vca = config["VCA"] # TODO VCA |
| self.loop = None |
| |
| # logging |
| log_format_simple = "%(asctime)s %(levelname)s %(name)s %(filename)s:%(lineno)s %(message)s" |
| log_formatter_simple = logging.Formatter(log_format_simple, datefmt='%Y-%m-%dT%H:%M:%S') |
| config["database"]["logger_name"] = "lcm.db" |
| config["storage"]["logger_name"] = "lcm.fs" |
| config["message"]["logger_name"] = "lcm.msg" |
| if "logfile" in config["global"]: |
| file_handler = logging.handlers.RotatingFileHandler(config["global"]["logfile"], |
| maxBytes=100e6, backupCount=9, delay=0) |
| file_handler.setFormatter(log_formatter_simple) |
| self.logger.addHandler(file_handler) |
| else: |
| str_handler = logging.StreamHandler() |
| str_handler.setFormatter(log_formatter_simple) |
| self.logger.addHandler(str_handler) |
| |
| if config["global"].get("loglevel"): |
| self.logger.setLevel(config["global"]["loglevel"]) |
| |
| # logging other modules |
| for k1, logname in {"message": "lcm.msg", "database": "lcm.db", "storage": "lcm.fs"}.items(): |
| config[k1]["logger_name"] = logname |
| logger_module = logging.getLogger(logname) |
| if "logfile" in config[k1]: |
| file_handler = logging.handlers.RotatingFileHandler(config[k1]["logfile"], |
| maxBytes=100e6, backupCount=9, delay=0) |
| file_handler.setFormatter(log_formatter_simple) |
| logger_module.addHandler(file_handler) |
| if "loglevel" in config[k1]: |
| logger_module.setLevel(config[k1]["loglevel"]) |
| |
| self.n2vc = N2VC( |
| log=self.logger, |
| server=config['VCA']['host'], |
| port=config['VCA']['port'], |
| user=config['VCA']['user'], |
| secret=config['VCA']['secret'], |
| # TODO: This should point to the base folder where charms are stored, |
| # if there is a common one (like object storage). Otherwise, leave |
| # it unset and pass it via DeployCharms |
| # artifacts=config['VCA'][''], |
| artifacts=None, |
| ) |
| |
| try: |
| 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 LcmException("Invalid configuration param '{}' at '[database]':'driver'".format( |
| config["database"]["driver"])) |
| |
| if config["storage"]["driver"] == "local": |
| self.fs = fslocal.FsLocal() |
| self.fs.fs_connect(config["storage"]) |
| else: |
| raise LcmException("Invalid configuration param '{}' at '[storage]':'driver'".format( |
| config["storage"]["driver"])) |
| |
| 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 LcmException("Invalid configuration param '{}' at '[message]':'driver'".format( |
| config["storage"]["driver"])) |
| except (DbException, FsException, MsgException) as e: |
| self.logger.critical(str(e), exc_info=True) |
| raise LcmException(str(e)) |
| |
| def update_nsr_db(self, nsr_id, nsr_desc): |
| try: |
| self.db.replace("nsrs", nsr_id, nsr_desc) |
| except DbException as e: |
| self.logger.error("Updating nsr_id={}: {}".format(nsr_id, e)) |
| |
| def n2vc_callback(self, nsd, vnfd, vnf_member_index, workload_status, *args): |
| """Update the lcm database with the status of the charm. |
| |
| Updates the VNF's operational status with the state of the charm: |
| - blocked: The unit needs manual intervention |
| - maintenance: The unit is actively deploying/configuring |
| - waiting: The unit is waiting for another charm to be ready |
| - active: The unit is deployed, configured, and ready |
| - error: The charm has failed and needs attention. |
| - terminated: The charm has been destroyed |
| |
| Updates the network service's config-status to reflect the state of all |
| charms. |
| """ |
| if workload_status and len(args) == 3: |
| # self.logger.debug("[n2vc_callback] Workload status \"{}\"".format(workload_status)) |
| try: |
| (db_nsr, vnf_index, task) = args |
| |
| nsr_id = db_nsr["_id"] |
| nsr_lcm = db_nsr["_admin"]["deploy"] |
| nsr_lcm["VCA"][vnf_index]['operational-status'] = workload_status |
| |
| if task: |
| if task.cancelled(): |
| return |
| |
| if task.done(): |
| exc = task.exception() |
| if exc: |
| nsr_lcm = db_nsr["_admin"]["deploy"] |
| nsr_lcm["VCA"][vnf_index]['operational-status'] = "failed" |
| db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_index, exc) |
| db_nsr["config-status"] = "failed" |
| self.update_nsr_db(nsr_id, db_nsr) |
| else: |
| units = len(nsr_lcm["VCA"]) |
| active = 0 |
| statusmap = {} |
| for vnf_index in nsr_lcm["VCA"]: |
| if 'operational-status' in nsr_lcm["VCA"][vnf_index]: |
| |
| if nsr_lcm["VCA"][vnf_index]['operational-status'] not in statusmap: |
| # Initialize it |
| statusmap[nsr_lcm["VCA"][vnf_index]['operational-status']] = 0 |
| |
| statusmap[nsr_lcm["VCA"][vnf_index]['operational-status']] += 1 |
| |
| if nsr_lcm["VCA"][vnf_index]['operational-status'] == "active": |
| active += 1 |
| else: |
| self.logger.debug("No operational-status") |
| |
| cs = "" |
| for status in statusmap: |
| cs += "{} ({}) ".format(status, statusmap[status]) |
| db_nsr["config-status"] = cs |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| except Exception as e: |
| # self.logger.critical("Task create_ns={} n2vc_callback Exception {}".format(nsr_id, e), exc_info=True) |
| self.logger.critical("Task create_ns n2vc_callback Exception {}".format(e), exc_info=True) |
| pass |
| |
| def vca_deploy_callback(self, db_nsr, vnf_index, status, task): |
| # TODO study using this callback when VCA.DeployApplication success from VCAMonitor |
| # By the moment this callback is used only to capture exception conditions from VCA DeployApplication |
| nsr_id = db_nsr["_id"] |
| self.logger.debug("Task create_ns={} vca_deploy_callback Enter".format(nsr_id)) |
| try: |
| if task.cancelled(): |
| return |
| if task.done(): |
| exc = task.exception() |
| if exc: |
| nsr_lcm = db_nsr["_admin"]["deploy"] |
| nsr_lcm["VCA"][vnf_index]['operational-status'] = "failed" |
| db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_index, exc) |
| db_nsr["config-status"] = "failed" |
| self.update_nsr_db(nsr_id, db_nsr) |
| else: |
| # TODO may be used to be called when VCA monitor status changes |
| pass |
| # except DbException as e: |
| # self.logger.error("Task create_ns={} vca_deploy_callback Exception {}".format(nsr_id, e)) |
| except Exception as e: |
| self.logger.critical("Task create_ns={} vca_deploy_callback Exception {}".format(nsr_id, e), exc_info=True) |
| |
| async def create_ns(self, nsr_id, order_id): |
| logging_text = "Task create_ns={} ".format(nsr_id) |
| self.logger.debug(logging_text + "Enter") |
| # get all needed from database |
| db_nsr = None |
| exc = None |
| step = "Getting nsr from db" |
| try: |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| nsd = db_nsr["nsd"] |
| needed_vnfd = {} |
| for c_vnf in nsd["constituent-vnfd"]: |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| if vnfd_id not in needed_vnfd: |
| step = "Getting vnfd={} from db".format(vnfd_id) |
| needed_vnfd[vnfd_id] = self.db.get_one("vnfds", {"id": vnfd_id}) |
| |
| nsr_lcm = { |
| "id": nsr_id, |
| "RO": {"vnfd_id": {}, "nsd_id": None, "nsr_id": None, "nsr_status": "SCHEDULED"}, |
| "nsr_ip": {}, |
| "VCA": {}, |
| } |
| db_nsr["_admin"]["deploy"] = nsr_lcm |
| db_nsr["detailed-status"] = "creating" |
| db_nsr["operational-status"] = "init" |
| |
| deloyment_timeout = 120 |
| |
| RO = ROclient.ROClient(self.loop, datacenter=db_nsr["datacenter"], **self.ro_config) |
| |
| # get vnfds, instantiate at RO |
| for vnfd_id, vnfd in needed_vnfd.items(): |
| step = db_nsr["detailed-status"] = "Creating vnfd={} at RO".format(vnfd_id) |
| self.logger.debug(logging_text + step) |
| vnfd_id_RO = nsr_id + "." + vnfd_id[:200] |
| |
| # look if present |
| vnfd_list = await RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO}) |
| if vnfd_list: |
| nsr_lcm["RO"]["vnfd_id"][vnfd_id] = vnfd_list[0]["uuid"] |
| self.logger.debug(logging_text + "RO vnfd={} exist. Using RO_id={}".format( |
| vnfd_id, vnfd_list[0]["uuid"])) |
| else: |
| vnfd_RO = deepcopy(vnfd) |
| vnfd_RO.pop("_id", None) |
| vnfd_RO.pop("_admin", None) |
| vnfd_RO["id"] = vnfd_id_RO |
| desc = await RO.create("vnfd", descriptor=vnfd_RO) |
| nsr_lcm["RO"]["vnfd_id"][vnfd_id] = desc["uuid"] |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| # create nsd at RO |
| nsd_id = nsd["id"] |
| step = db_nsr["detailed-status"] = "Creating nsd={} at RO".format(nsd_id) |
| self.logger.debug(logging_text + step) |
| |
| nsd_id_RO = nsd_id + "." + nsd_id[:200] |
| nsd_list = await RO.get_list("nsd", filter_by={"osm_id": nsd_id_RO}) |
| if nsd_list: |
| nsr_lcm["RO"]["nsd_id"] = nsd_list[0]["uuid"] |
| self.logger.debug(logging_text + "RO nsd={} exist. Using RO_id={}".format( |
| nsd_id, nsd_list[0]["uuid"])) |
| else: |
| nsd_RO = deepcopy(nsd) |
| nsd_RO["id"] = nsd_id_RO |
| nsd_RO.pop("_id", None) |
| nsd_RO.pop("_admin", None) |
| for c_vnf in nsd_RO["constituent-vnfd"]: |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| c_vnf["vnfd-id-ref"] = nsr_id + "." + vnfd_id[:200] |
| desc = await RO.create("nsd", descriptor=nsd_RO) |
| nsr_lcm["RO"]["nsd_id"] = desc["uuid"] |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| # Crate ns at RO |
| # if present use it unless in error status |
| RO_nsr_id = nsr_lcm["RO"].get("nsr_id") |
| if RO_nsr_id: |
| try: |
| step = db_nsr["detailed-status"] = "Looking for existing ns at RO" |
| self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id)) |
| desc = await RO.show("ns", RO_nsr_id) |
| except ROclient.ROClientException as e: |
| if e.http_code != HTTPStatus.NOT_FOUND: |
| raise |
| RO_nsr_id = nsr_lcm["RO"]["nsr_id"] = None |
| if RO_nsr_id: |
| ns_status, ns_status_info = RO.check_ns_status(desc) |
| nsr_lcm["RO"]["nsr_status"] = ns_status |
| if ns_status == "ERROR": |
| step = db_nsr["detailed-status"] = "Deleting ns at RO" |
| self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id)) |
| await RO.delete("ns", RO_nsr_id) |
| RO_nsr_id = nsr_lcm["RO"]["nsr_id"] = None |
| |
| if not RO_nsr_id: |
| step = db_nsr["detailed-status"] = "Creating ns at RO" |
| self.logger.debug(logging_text + step) |
| |
| desc = await RO.create("ns", name=db_nsr["name"], datacenter=db_nsr["datacenter"], |
| scenario=nsr_lcm["RO"]["nsd_id"]) |
| RO_nsr_id = nsr_lcm["RO"]["nsr_id"] = desc["uuid"] |
| nsr_lcm["RO"]["nsr_status"] = "BUILD" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| # wait until NS is ready |
| step = ns_status_detailed = "Waiting ns ready at RO" |
| db_nsr["detailed-status"] = ns_status_detailed |
| self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id)) |
| deloyment_timeout = 600 |
| while deloyment_timeout > 0: |
| desc = await RO.show("ns", RO_nsr_id) |
| ns_status, ns_status_info = RO.check_ns_status(desc) |
| nsr_lcm["RO"]["nsr_status"] = ns_status |
| if ns_status == "ERROR": |
| raise ROclient.ROClientException(ns_status_info) |
| elif ns_status == "BUILD": |
| db_nsr["detailed-status"] = ns_status_detailed + "; {}".format(ns_status_info) |
| self.update_nsr_db(nsr_id, db_nsr) |
| elif ns_status == "ACTIVE": |
| nsr_lcm["nsr_ip"] = RO.get_ns_vnf_ip(desc) |
| break |
| else: |
| assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status) |
| |
| await asyncio.sleep(5, loop=self.loop) |
| deloyment_timeout -= 5 |
| if deloyment_timeout <= 0: |
| raise ROclient.ROClientException("Timeout waiting ns to be ready") |
| db_nsr["detailed-status"] = "Configuring vnfr" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| vnfd_to_config = 0 |
| step = "Looking for needed vnfd to configure" |
| self.logger.debug(logging_text + step) |
| for c_vnf in nsd["constituent-vnfd"]: |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| vnf_index = str(c_vnf["member-vnf-index"]) |
| vnfd = needed_vnfd[vnfd_id] |
| if vnfd.get("vnf-configuration") and vnfd["vnf-configuration"].get("juju"): |
| nsr_lcm["VCA"][vnf_index] = {} |
| vnfd_to_config += 1 |
| proxy_charm = vnfd["vnf-configuration"]["juju"]["charm"] |
| |
| # Note: The charm needs to exist on disk at the location |
| # specified by charm_path. |
| base_folder = vnfd["_admin"]["storage"] |
| charm_path = "{}{}/{}/charms/{}".format( |
| base_folder["path"], |
| base_folder["folder"], |
| base_folder["file"], |
| proxy_charm |
| ) |
| |
| self.logger.debug("Passing artifacts path '{}' for {}".format(charm_path, proxy_charm)) |
| task = asyncio.ensure_future( |
| self.n2vc.DeployCharms(nsd, vnfd, vnf_index, charm_path, self.n2vc_callback, db_nsr, vnf_index, None) |
| ) |
| task.add_done_callback(functools.partial(self.n2vc_callback, None, None, None, None, None, db_nsr, vnf_index)) |
| |
| # task.add_done_callback(functools.partial(self.vca_deploy_callback, db_nsr, vnf_index, None)) |
| self.lcm_tasks[nsr_id][order_id]["create_charm:" + vnf_index] = task |
| db_nsr["config-status"] = "configuring" if vnfd_to_config else "configured" |
| db_nsr["detailed-status"] = "Configuring 1/{}".format(vnfd_to_config) if vnfd_to_config else "done" |
| db_nsr["operational-status"] = "running" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| self.logger.debug("create_ns task nsr_id={} Exit Ok".format(nsr_id)) |
| return nsr_lcm |
| |
| except (ROclient.ROClientException, DbException) as e: |
| self.logger.error(logging_text + "Exit Exception {}".format(e)) |
| exc = e |
| except Exception as e: |
| self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True) |
| exc = e |
| finally: |
| if exc and db_nsr: |
| db_nsr["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| db_nsr["operational-status"] = "failed" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| async def delete_ns(self, nsr_id, order_id): |
| logging_text = "Task delete_ns={} ".format(nsr_id) |
| self.logger.debug(logging_text + "Enter") |
| db_nsr = None |
| exc = None |
| step = "Getting nsr from db" |
| try: |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| nsd = db_nsr["nsd"] |
| nsr_lcm = db_nsr["_admin"]["deploy"] |
| |
| db_nsr["operational-status"] = "terminate" |
| db_nsr["config-status"] = "terminate" |
| db_nsr["detailed-status"] = "Deleting charms" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| try: |
| step = db_nsr["detailed-status"] = "Deleting charms" |
| self.logger.debug(logging_text + step) |
| for vnf_index, deploy_info in nsr_lcm["VCA"].items(): |
| if deploy_info and deploy_info.get("appliation"): |
| |
| task = asyncio.ensure_future( |
| self.n2vc.RemoveCharms(nsd, vnfd, vnf_index, self.n2vc_callback, db_nsr, vnf_index, None) |
| ) |
| self.lcm_tasks[nsr_id][order_id]["delete_charm:" + vnf_index] = task |
| except Exception as e: |
| self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e)) |
| # remove from RO |
| |
| RO = ROclient.ROClient(self.loop, datacenter=db_nsr["datacenter"], **self.ro_config) |
| # Delete ns |
| RO_nsr_id = nsr_lcm["RO"]["nsr_id"] |
| if RO_nsr_id: |
| try: |
| step = db_nsr["detailed-status"] = "Deleting ns at RO" |
| self.logger.debug(logging_text + step) |
| desc = await RO.delete("ns", RO_nsr_id) |
| nsr_lcm["RO"]["nsr_id"] = None |
| nsr_lcm["RO"]["nsr_status"] = "DELETED" |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| nsr_lcm["RO"]["nsr_id"] = None |
| nsr_lcm["RO"]["nsr_status"] = "DELETED" |
| self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id)) |
| elif e.http_code == 409: #conflict |
| self.logger.debug(logging_text + "RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e)) |
| else: |
| self.logger.error(logging_text + "RO_ns_id={} delete error: {}".format(RO_nsr_id, e)) |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| # Delete nsd |
| RO_nsd_id = nsr_lcm["RO"]["nsd_id"] |
| if RO_nsd_id: |
| try: |
| step = db_nsr["detailed-status"] = "Deleting nsd at RO" |
| desc = await RO.delete("nsd", RO_nsd_id) |
| self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id)) |
| nsr_lcm["RO"]["nsd_id"] = None |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| nsr_lcm["RO"]["nsd_id"] = None |
| self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id)) |
| elif e.http_code == 409: #conflict |
| self.logger.debug(logging_text + "RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e)) |
| else: |
| self.logger.error(logging_text + "RO_nsd_id={} delete error: {}".format(RO_nsd_id, e)) |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| for vnf_id, RO_vnfd_id in nsr_lcm["RO"]["vnfd_id"].items(): |
| if not RO_vnfd_id: |
| continue |
| try: |
| step = db_nsr["detailed-status"] = "Deleting vnfd={} at RO".format(vnf_id) |
| desc = await RO.delete("vnfd", RO_vnfd_id) |
| self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id)) |
| nsr_lcm["RO"]["vnfd_id"][vnf_id] = None |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| nsr_lcm["RO"]["vnfd_id"][vnf_id] = None |
| self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id)) |
| elif e.http_code == 409: #conflict |
| self.logger.debug(logging_text + "RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e)) |
| else: |
| self.logger.error(logging_text + "RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e)) |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| # TODO delete from database or mark as deleted??? |
| db_nsr["operational-status"] = "terminated" |
| self.db.del_one("nsrs", {"_id": nsr_id}) |
| self.logger.debug(logging_text + "Exit") |
| |
| except (ROclient.ROClientException, DbException) as e: |
| self.logger.error(logging_text + "Exit Exception {}".format(e)) |
| exc = e |
| except Exception as e: |
| self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True) |
| exc = e |
| finally: |
| if exc and db_nsr: |
| db_nsr["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| db_nsr["operational-status"] = "failed" |
| self.update_nsr_db(nsr_id, db_nsr) |
| |
| async def test(self, param=None): |
| self.logger.debug("Starting/Ending test task: {}".format(param)) |
| |
| def cancel_tasks(self, nsr_id): |
| """ |
| Cancel all active tasks of a concrete nsr identified for nsr_id |
| :param nsr_id: nsr identity |
| :return: None, or raises an exception if not possible |
| """ |
| if not self.lcm_tasks.get(nsr_id): |
| return |
| for order_id, tasks_set in self.lcm_tasks[nsr_id].items(): |
| for task_name, task in tasks_set.items(): |
| result = task.cancel() |
| if result: |
| self.logger.debug("nsr_id={} order_id={} task={} cancelled".format(nsr_id, order_id, task_name)) |
| self.lcm_tasks[nsr_id] = {} |
| |
| async def read_kafka(self): |
| self.logger.debug("kafka task Enter") |
| order_id = 1 |
| # future = asyncio.Future() |
| |
| while True: |
| command, params = await self.msg.aioread("ns", self.loop) |
| order_id += 1 |
| if command == "exit": |
| print("Bye!") |
| break |
| elif command.startswith("#"): |
| continue |
| elif command == "echo": |
| # just for test |
| print(params) |
| elif command == "test": |
| asyncio.Task(self.test(params), loop=self.loop) |
| elif command == "break": |
| print("put a break in this line of code") |
| elif command == "create": |
| nsr_id = params.strip() |
| self.logger.debug("Deploying NS {}".format(nsr_id)) |
| task = asyncio.ensure_future(self.create_ns(nsr_id, order_id)) |
| if nsr_id not in self.lcm_tasks: |
| self.lcm_tasks[nsr_id] = {} |
| self.lcm_tasks[nsr_id][order_id] = {"create_ns": task} |
| elif command == "delete": |
| nsr_id = params.strip() |
| self.logger.debug("Deleting NS {}".format(nsr_id)) |
| self.cancel_tasks(nsr_id) |
| task = asyncio.ensure_future(self.delete_ns(nsr_id, order_id)) |
| if nsr_id not in self.lcm_tasks: |
| self.lcm_tasks[nsr_id] = {} |
| self.lcm_tasks[nsr_id][order_id] = {"delete_ns": task} |
| elif command == "show": |
| # just for test |
| nsr_id = params.strip() |
| try: |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| print("nsr:\n _id={}\n operational-status: {}\n config-status: {}\n detailed-status: " |
| "{}\n deploy: {}\n tasks: {}".format( |
| nsr_id, db_nsr["operational-status"], |
| db_nsr["config-status"], db_nsr["detailed-status"], |
| db_nsr["_admin"]["deploy"], self.lcm_tasks.get(nsr_id))) |
| except Exception as e: |
| print("nsr {} not found: {}".format(nsr_id, e)) |
| else: |
| self.logger.critical("unknown command '{}'".format(command)) |
| self.logger.debug("kafka task Exit") |
| |
| |
| def start(self): |
| self.loop = asyncio.get_event_loop() |
| self.loop.run_until_complete(self.read_kafka()) |
| self.loop.close() |
| self.loop = None |
| |
| |
| def read_config_file(self, config_file): |
| # TODO make a [ini] + yaml inside parser |
| # the configparser library is not suitable, because it does not admit comments at the end of line, |
| # and not parse integer or boolean |
| try: |
| with open(config_file) as f: |
| conf = yaml.load(f) |
| for k, v in environ.items(): |
| if not k.startswith("OSMLCM_"): |
| continue |
| k_items = k.lower().split("_") |
| c = conf |
| try: |
| for k_item in k_items[1:-1]: |
| if k_item in ("ro", "vca"): |
| # put in capital letter |
| k_item = k_item.upper() |
| c = c[k_item] |
| if k_items[-1] == "port": |
| c[k_items[-1]] = int(v) |
| else: |
| c[k_items[-1]] = v |
| except Exception as e: |
| self.logger.warn("skipping environ '{}' on exception '{}'".format(k, e)) |
| |
| return conf |
| except Exception as e: |
| self.logger.critical("At config file '{}': {}".format(config_file, e)) |
| |
| |
| if __name__ == '__main__': |
| |
| config_file = "lcm.cfg" |
| lcm = Lcm(config_file) |
| |
| lcm.start() |