| #!/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 |
| import sys |
| 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 |
| """ |
| |
| self.db = None |
| self.msg = None |
| self.fs = None |
| # contains created tasks/futures to be able to cancel |
| |
| self.lcm_ns_tasks = {} |
| self.lcm_vim_tasks = {} |
| self.lcm_sdn_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_db(self, item, _id, _desc): |
| try: |
| self.db.replace(item, _id, _desc) |
| except DbException as e: |
| self.logger.error("Updating {} _id={}: {}".format(item, _id, e)) |
| |
| async def create_vim(self, vim_content, order_id): |
| vim_id = vim_content["_id"] |
| logging_text = "Task create_vim={} ".format(vim_id) |
| self.logger.debug(logging_text + "Enter") |
| db_vim = None |
| exc = None |
| try: |
| step = "Getting vim from db" |
| db_vim = self.db.get_one("vims", {"_id": vim_id}) |
| if "_admin" not in db_vim: |
| db_vim["_admin"] = {} |
| if "deploy" not in db_vim["_admin"]: |
| db_vim["_admin"]["deploy"] = {} |
| db_vim["_admin"]["deploy"]["RO"] = None |
| |
| step = "Creating vim at RO" |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| vim_RO = deepcopy(vim_content) |
| vim_RO.pop("_id", None) |
| vim_RO.pop("_admin", None) |
| vim_RO.pop("schema_version", None) |
| vim_RO.pop("schema_type", None) |
| vim_RO.pop("vim_tenant_name", None) |
| vim_RO["type"] = vim_RO.pop("vim_type") |
| vim_RO.pop("vim_user", None) |
| vim_RO.pop("vim_password", None) |
| desc = await RO.create("vim", descriptor=vim_RO) |
| RO_vim_id = desc["uuid"] |
| db_vim["_admin"]["deploy"]["RO"] = RO_vim_id |
| self.update_db("vims", vim_id, db_vim) |
| |
| step = "Attach vim to RO tenant" |
| vim_RO = {"vim_tenant_name": vim_content["vim_tenant_name"], |
| "vim_username": vim_content["vim_user"], |
| "vim_password": vim_content["vim_password"], |
| "config": vim_content["config"] |
| } |
| desc = await RO.attach_datacenter(RO_vim_id , descriptor=vim_RO) |
| db_vim["_admin"]["operationalState"] = "ENABLED" |
| self.update_db("vims", vim_id, db_vim) |
| |
| self.logger.debug(logging_text + "Exit Ok RO_vim_id".format(RO_vim_id)) |
| return RO_vim_id |
| |
| 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_vim: |
| db_vim["_admin"]["operationalState"] = "ERROR" |
| db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("vims", vim_id, db_vim) |
| |
| async def edit_vim(self, vim_content, order_id): |
| vim_id = vim_content["_id"] |
| logging_text = "Task edit_vim={} ".format(vim_id) |
| self.logger.debug(logging_text + "Enter") |
| db_vim = None |
| exc = None |
| step = "Getting vim from db" |
| try: |
| db_vim = self.db.get_one("vims", {"_id": vim_id}) |
| if db_vim.get("_admin") and db_vim["_admin"].get("deploy") and db_vim["_admin"]["deploy"].get("RO"): |
| RO_vim_id = db_vim["_admin"]["deploy"]["RO"] |
| step = "Editing vim at RO" |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| vim_RO = deepcopy(vim_content) |
| vim_RO.pop("_id", None) |
| vim_RO.pop("_admin", None) |
| vim_RO.pop("schema_version", None) |
| vim_RO.pop("schema_type", None) |
| vim_RO.pop("vim_tenant_name", None) |
| vim_RO["type"] = vim_RO.pop("vim_type") |
| vim_RO.pop("vim_user", None) |
| vim_RO.pop("vim_password", None) |
| if vim_RO: |
| desc = await RO.edit("vim", RO_vim_id, descriptor=vim_RO) |
| |
| step = "Editing vim-account at RO tenant" |
| vim_RO = {} |
| for k in ("vim_tenant_name", "vim_password", "config"): |
| if k in vim_content: |
| vim_RO[k] = vim_content[k] |
| if "vim_user" in vim_content: |
| vim_content["vim_username"] = vim_content["vim_user"] |
| if vim_RO: |
| desc = await RO.edit("vim_account", RO_vim_id, descriptor=vim_RO) |
| db_vim["_admin"]["operationalState"] = "ENABLED" |
| self.update_db("vims", vim_id, db_vim) |
| |
| self.logger.debug(logging_text + "Exit Ok RO_vim_id".format(RO_vim_id)) |
| return RO_vim_id |
| |
| 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_vim: |
| db_vim["_admin"]["operationalState"] = "ERROR" |
| db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("vims", vim_id, db_vim) |
| |
| async def delete_vim(self, vim_id, order_id): |
| logging_text = "Task delete_vim={} ".format(vim_id) |
| self.logger.debug(logging_text + "Enter") |
| db_vim = None |
| exc = None |
| step = "Getting vim from db" |
| try: |
| db_vim = self.db.get_one("vims", {"_id": vim_id}) |
| if db_vim.get("_admin") and db_vim["_admin"].get("deploy") and db_vim["_admin"]["deploy"].get("RO"): |
| RO_vim_id = db_vim["_admin"]["deploy"]["RO"] |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| step = "Detaching vim from RO tenant" |
| try: |
| await RO.detach_datacenter(RO_vim_id) |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| self.logger.debug(logging_text + "RO_vim_id={} already detached".format(RO_vim_id)) |
| else: |
| raise |
| |
| step = "Deleting vim from RO" |
| try: |
| await RO.delete("vim", RO_vim_id) |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| self.logger.debug(logging_text + "RO_vim_id={} already deleted".format(RO_vim_id)) |
| else: |
| raise |
| else: |
| # nothing to delete |
| self.logger.error(logging_text + "Skipping. There is not RO information at database") |
| self.db.del_one("vims", {"_id": vim_id}) |
| self.logger.debug("delete_vim task vim_id={} Exit Ok".format(vim_id)) |
| return None |
| |
| 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_vim: |
| db_vim["_admin"]["operationalState"] = "ERROR" |
| db_vim["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("vims", vim_id, db_vim) |
| |
| async def create_sdn(self, sdn_content, order_id): |
| sdn_id = sdn_content["_id"] |
| logging_text = "Task create_sdn={} ".format(sdn_id) |
| self.logger.debug(logging_text + "Enter") |
| db_sdn = None |
| exc = None |
| try: |
| step = "Getting sdn from db" |
| db_sdn = self.db.get_one("sdns", {"_id": sdn_id}) |
| if "_admin" not in db_sdn: |
| db_sdn["_admin"] = {} |
| if "deploy" not in db_sdn["_admin"]: |
| db_sdn["_admin"]["deploy"] = {} |
| db_sdn["_admin"]["deploy"]["RO"] = None |
| |
| step = "Creating sdn at RO" |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| sdn_RO = deepcopy(sdn_content) |
| sdn_RO.pop("_id", None) |
| sdn_RO.pop("_admin", None) |
| sdn_RO.pop("schema_version", None) |
| sdn_RO.pop("schema_type", None) |
| desc = await RO.create("sdn", descriptor=sdn_RO) |
| RO_sdn_id = desc["uuid"] |
| db_sdn["_admin"]["deploy"]["RO"] = RO_sdn_id |
| db_sdn["_admin"]["operationalState"] = "ENABLED" |
| self.update_db("sdns", sdn_id, db_sdn) |
| self.logger.debug(logging_text + "Exit Ok RO_sdn_id".format(RO_sdn_id)) |
| return RO_sdn_id |
| |
| 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_sdn: |
| db_sdn["_admin"]["operationalState"] = "ERROR" |
| db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("sdns", sdn_id, db_sdn) |
| |
| async def edit_sdn(self, sdn_content, order_id): |
| sdn_id = sdn_content["_id"] |
| logging_text = "Task edit_sdn={} ".format(sdn_id) |
| self.logger.debug(logging_text + "Enter") |
| db_sdn = None |
| exc = None |
| step = "Getting sdn from db" |
| try: |
| db_sdn = self.db.get_one("sdns", {"_id": sdn_id}) |
| if db_sdn.get("_admin") and db_sdn["_admin"].get("deploy") and db_sdn["_admin"]["deploy"].get("RO"): |
| RO_sdn_id = db_sdn["_admin"]["deploy"]["RO"] |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| step = "Editing sdn at RO" |
| sdn_RO = deepcopy(sdn_content) |
| sdn_RO.pop("_id", None) |
| sdn_RO.pop("_admin", None) |
| sdn_RO.pop("schema_version", None) |
| sdn_RO.pop("schema_type", None) |
| if sdn_RO: |
| desc = await RO.edit("sdn", RO_sdn_id, descriptor=sdn_RO) |
| db_sdn["_admin"]["operationalState"] = "ENABLED" |
| self.update_db("sdns", sdn_id, db_sdn) |
| |
| self.logger.debug(logging_text + "Exit Ok RO_sdn_id".format(RO_sdn_id)) |
| return RO_sdn_id |
| |
| 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_sdn: |
| db_sdn["_admin"]["operationalState"] = "ERROR" |
| db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("sdns", sdn_id, db_sdn) |
| |
| async def delete_sdn(self, sdn_id, order_id): |
| logging_text = "Task delete_sdn={} ".format(sdn_id) |
| self.logger.debug(logging_text + "Enter") |
| db_sdn = None |
| exc = None |
| step = "Getting sdn from db" |
| try: |
| db_sdn = self.db.get_one("sdns", {"_id": sdn_id}) |
| if db_sdn.get("_admin") and db_sdn["_admin"].get("deploy") and db_sdn["_admin"]["deploy"].get("RO"): |
| RO_sdn_id = db_sdn["_admin"]["deploy"]["RO"] |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| step = "Deleting sdn from RO" |
| try: |
| await RO.delete("sdn", RO_sdn_id) |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| self.logger.debug(logging_text + "RO_sdn_id={} already deleted".format(RO_sdn_id)) |
| else: |
| raise |
| else: |
| # nothing to delete |
| self.logger.error(logging_text + "Skipping. There is not RO information at database") |
| self.db.del_one("sdns", {"_id": sdn_id}) |
| self.logger.debug("delete_sdn task sdn_id={} Exit Ok".format(sdn_id)) |
| return None |
| |
| 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_sdn: |
| db_sdn["_admin"]["operationalState"] = "ERROR" |
| db_sdn["_admin"]["detailed-status"] = "ERROR {}: {}".format(step , exc) |
| self.update_db("sdns", sdn_id, db_sdn) |
| |
| def vnfd2RO(self, vnfd, new_id=None): |
| """ |
| Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd |
| :param vnfd: input vnfd |
| :param new_id: overrides vnf id if provided |
| :return: copy of vnfd |
| """ |
| ci_file = None |
| try: |
| vnfd_RO = deepcopy(vnfd) |
| vnfd_RO.pop("_id", None) |
| vnfd_RO.pop("_admin", None) |
| if new_id: |
| vnfd_RO["id"] = new_id |
| for vdu in vnfd_RO["vdu"]: |
| if "cloud-init-file" in vdu: |
| base_folder = vnfd["_admin"]["storage"] |
| clout_init_file = "{}/{}/cloud_init/{}".format( |
| base_folder["folder"], |
| base_folder["pkg-dir"], |
| vdu["cloud-init-file"] |
| ) |
| ci_file = self.fs.file_open(clout_init_file, "r") |
| # TODO: detect if binary or text. Propose to read as binary and try to decode to utf8. If fails convert to base 64 or similar |
| clout_init_content = ci_file.read() |
| ci_file.close() |
| ci_file = None |
| vdu.pop("cloud-init-file", None) |
| vdu["cloud-init"] = clout_init_content |
| return vnfd_RO |
| except FsException as e: |
| raise LcmException("Error reading file at vnfd {}: {} ".format(vnfd["_id"], e)) |
| finally: |
| if ci_file: |
| ci_file.close() |
| |
| def n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None): |
| """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 |
| - removing, |
| - removed |
| |
| Updates the network service's config-status to reflect the state of all |
| charms. |
| """ |
| nsr_id = None |
| try: |
| nsr_id = db_nsr["_id"] |
| nsr_lcm = db_nsr["_admin"]["deploy"] |
| if task: |
| if task.cancelled(): |
| self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} task Cancelled".format(nsr_id, vnf_member_index)) |
| return |
| |
| if task.done(): |
| exc = task.exception() |
| if exc: |
| self.logger.error( |
| "[n2vc_callback] create_ns={} vnf_index={} task Exception={}".format(nsr_id, vnf_member_index, exc)) |
| nsr_lcm["VCA"][vnf_member_index]['operational-status'] = "error" |
| nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = str(exc) |
| else: |
| self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} task Done".format(nsr_id, vnf_member_index)) |
| # TODO it seams that task Done, but callback is still ongoing. For the moment comment this two lines |
| # nsr_lcm["VCA"][vnf_member_index]['operational-status'] = "active" |
| # nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = "" |
| elif workload_status: |
| self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} Enter workload_status={}".format(nsr_id, vnf_member_index, workload_status)) |
| if nsr_lcm["VCA"][vnf_member_index]['operational-status'] == workload_status: |
| return # same status, ignore |
| nsr_lcm["VCA"][vnf_member_index]['operational-status'] = workload_status |
| # TODO N2VC some error message in case of error should be obtained from N2VC |
| nsr_lcm["VCA"][vnf_member_index]['detailed-status'] = "" |
| else: |
| self.logger.critical("[n2vc_callback] create_ns={} vnf_index={} Enter with bad parameters".format(nsr_id, vnf_member_index), exc_info=True) |
| return |
| |
| some_failed = False |
| all_active = True |
| status_map = {} |
| for vnf_index, vca_info in nsr_lcm["VCA"].items(): |
| vca_status = vca_info["operational-status"] |
| if vca_status not in status_map: |
| # Initialize it |
| status_map[vca_status] = 0 |
| status_map[vca_status] += 1 |
| |
| if vca_status != "active": |
| all_active = False |
| if vca_status == "error": |
| some_failed = True |
| db_nsr["config-status"] = "failed" |
| db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_member_index, |
| vca_info["detailed-status"]) |
| break |
| |
| if all_active: |
| self.logger.debug("[n2vc_callback] create_ns={} vnf_index={} All active".format(nsr_id, vnf_member_index)) |
| db_nsr["config-status"] = "configured" |
| db_nsr["detailed-status"] = "done" |
| elif some_failed: |
| pass |
| else: |
| cs = "configuring: " |
| separator = "" |
| for status, num in status_map.items(): |
| cs += separator + "{}: {}".format(status, num) |
| separator = ", " |
| db_nsr["config-status"] = cs |
| self.update_db("nsrs", nsr_id, db_nsr) |
| |
| except Exception as e: |
| self.logger.critical("[n2vc_callback] create_ns={} vnf_index={} Exception {}".format(nsr_id, vnf_member_index, 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"] |
| nsr_name = db_nsr["name"] # TODO short-name?? |
| 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 = self.vnfd2RO(vnfd, vnfd_id_RO) |
| desc = await RO.create("vnfd", descriptor=vnfd_RO) |
| nsr_lcm["RO"]["vnfd_id"][vnfd_id] = desc["uuid"] |
| self.update_db("nsrs", 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_db("nsrs", 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_db("nsrs", 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_db("nsrs", 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_db("nsrs", nsr_id, db_nsr) |
| |
| # The parameters we'll need to deploy a charm |
| params = {} |
| number_to_configure = 0 |
| |
| def deploy(): |
| """An inner function to deploy the charm from either vnf or vdu |
| """ |
| |
| # Login to the VCA. |
| # if number_to_configure == 0: |
| # self.logger.debug("Logging into N2VC...") |
| # task = asyncio.ensure_future(self.n2vc.login()) |
| # yield from asyncio.wait_for(task, 30.0) |
| # self.logger.debug("Logged into N2VC!") |
| |
| ## await self.n2vc.login() |
| |
| # Note: The charm needs to exist on disk at the location |
| # specified by charm_path. |
| base_folder = vnfd["_admin"]["storage"] |
| storage_params = self.fs.get_params() |
| charm_path = "{}{}/{}/charms/{}".format( |
| storage_params["path"], |
| base_folder["folder"], |
| base_folder["pkg-dir"], |
| proxy_charm |
| ) |
| |
| # Setup the runtime parameters for this VNF |
| params['rw_mgmt_ip'] = nsr_lcm['nsr_ip'][vnf_index] |
| |
| # ns_name will be ignored in the current version of N2VC |
| # but will be implemented for the next point release. |
| model_name = 'default' |
| application_name = self.n2vc.FormatApplicationName( |
| nsr_name, |
| vnf_index, |
| vnfd['name'], |
| ) |
| |
| nsr_lcm["VCA"][vnf_index] = { |
| "model": model_name, |
| "application": application_name, |
| "operational-status": "init", |
| "detailed-status": "", |
| "vnfd_id": vnfd_id, |
| } |
| |
| self.logger.debug("Task create_ns={} Passing artifacts path '{}' for {}".format(nsr_id, charm_path, proxy_charm)) |
| task = asyncio.ensure_future( |
| self.n2vc.DeployCharms( |
| model_name, # The network service name |
| application_name, # The application name |
| vnfd, # The vnf descriptor |
| charm_path, # Path to charm |
| params, # Runtime params, like mgmt ip |
| {}, # for native charms only |
| self.n2vc_callback, # Callback for status changes |
| db_nsr, # Callback parameter |
| vnf_index, # Callback parameter |
| None, # Callback parameter (task) |
| ) |
| ) |
| task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, db_nsr, vnf_index)) |
| self.lcm_ns_tasks[nsr_id][order_id]["create_charm:" + vnf_index] = task |
| |
| # TODO: Make this call inside deploy() |
| # Login to the VCA. If there are multiple calls to login(), |
| # subsequent calls will be a nop and return immediately. |
| await self.n2vc.login() |
| |
| 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] |
| |
| # Check if the VDUs in this VNF have a charm |
| for vdu in vnfd['vdu']: |
| vdu_config = vdu.get('vdu-configuration') |
| if vdu_config and vdu_config.get("juju"): |
| proxy_charm = vdu_config["juju"]["charm"] |
| |
| if 'initial-config-primitive' in vdu_config: |
| params['initial-config-primitive'] = vdu_config['initial-config-primitive'] |
| |
| deploy() |
| number_to_configure += 1 |
| |
| # Check if this VNF has a charm |
| vnf_config = vnfd.get("vnf-configuration") |
| |
| if vnf_config and vnf_config.get("juju"): |
| proxy_charm = vnf_config["juju"]["charm"] |
| |
| if 'initial-config-primitive' in vnf_config: |
| params['initial-config-primitive'] = vnf_config['initial-config-primitive'] |
| |
| deploy() |
| number_to_configure += 1 |
| |
| db_nsr["config-status"] = "configuring" if number_to_configure else "configured" |
| db_nsr["detailed-status"] = "configuring: init: {}".format(number_to_configure) if number_to_configure else "done" |
| db_nsr["operational-status"] = "running" |
| self.update_db("nsrs", nsr_id, db_nsr) |
| |
| self.logger.debug("Task create_ns={} Exit Ok".format(nsr_id)) |
| return nsr_lcm |
| |
| except (ROclient.ROClientException, DbException, LcmException) 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_db("nsrs", 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"] = "terminating" |
| db_nsr["config-status"] = "terminating" |
| db_nsr["detailed-status"] = "Deleting charms" |
| self.update_db("nsrs", nsr_id, db_nsr) |
| |
| try: |
| self.logger.debug(logging_text + step) |
| for vnf_index, deploy_info in nsr_lcm["VCA"].items(): |
| if deploy_info and deploy_info.get("application"): |
| # n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None): |
| |
| # self.n2vc.RemoveCharms(model_name, application_name, self.n2vc_callback, model_name, application_name) |
| task = asyncio.ensure_future( |
| self.n2vc.RemoveCharms( |
| deploy_info['model'], |
| deploy_info['application'], |
| self.n2vc_callback, |
| db_nsr, |
| vnf_index, |
| ) |
| ) |
| # task.add_done_callback(functools.partial(self.n2vc_callback, deploy_info['model'], |
| # deploy_info['application'],None, db_nsr, vnf_index)) |
| self.lcm_ns_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_db("nsrs", 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_db("nsrs", 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_db("nsrs", 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_db("nsrs", nsr_id, db_nsr) |
| |
| async def test(self, param=None): |
| self.logger.debug("Starting/Ending test task: {}".format(param)) |
| |
| def cancel_tasks(self, topic, _id): |
| """ |
| Cancel all active tasks of a concrete nsr or vim identified for _id |
| :param topic: can be ns or vim_account |
| :param _id: nsr or vim identity |
| :return: None, or raises an exception if not possible |
| """ |
| if topic == "ns": |
| lcm_tasks = self.lcm_ns_tasks |
| elif topic== "vim_account": |
| lcm_tasks = self.lcm_vim_tasks |
| elif topic== "sdn": |
| lcm_tasks = self.lcm_sdn_tasks |
| |
| if not lcm_tasks.get(_id): |
| return |
| for order_id, tasks_set in lcm_tasks[_id].items(): |
| for task_name, task in tasks_set.items(): |
| result = task.cancel() |
| if result: |
| self.logger.debug("{} _id={} order_id={} task={} cancelled".format(topic, _id, order_id, task_name)) |
| lcm_tasks[_id] = {} |
| |
| async def read_kafka(self): |
| self.logger.debug("Task Kafka Enter") |
| order_id = 1 |
| # future = asyncio.Future() |
| consecutive_errors = 0 |
| while consecutive_errors < 10: |
| try: |
| topic, command, params = await self.msg.aioread(("ns", "vim_account", "sdn"), self.loop) |
| self.logger.debug("Task Kafka receives {} {}: {}".format(topic, command, params)) |
| consecutive_errors = 0 |
| order_id += 1 |
| if command == "exit": |
| print("Bye!") |
| break |
| elif command.startswith("#"): |
| continue |
| elif command == "echo": |
| # just for test |
| print(params) |
| sys.stdout.flush() |
| continue |
| elif command == "test": |
| asyncio.Task(self.test(params), loop=self.loop) |
| continue |
| |
| if topic == "ns": |
| nsr_id = params.strip() |
| if command == "create": |
| # 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_ns_tasks: |
| self.lcm_ns_tasks[nsr_id] = {} |
| self.lcm_ns_tasks[nsr_id][order_id] = {"create_ns": task} |
| continue |
| elif command == "delete": |
| # self.logger.debug("Deleting NS {}".format(nsr_id)) |
| self.cancel_tasks(topic, nsr_id) |
| task = asyncio.ensure_future(self.delete_ns(nsr_id, order_id)) |
| if nsr_id not in self.lcm_ns_tasks: |
| self.lcm_ns_tasks[nsr_id] = {} |
| self.lcm_ns_tasks[nsr_id][order_id] = {"delete_ns": task} |
| continue |
| elif command == "show": |
| 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_ns_tasks.get(nsr_id))) |
| except Exception as e: |
| print("nsr {} not found: {}".format(nsr_id, e)) |
| sys.stdout.flush() |
| continue |
| elif topic == "vim_account": |
| vim_id = params["_id"] |
| if command == "create": |
| task = asyncio.ensure_future(self.create_vim(params, order_id)) |
| if vim_id not in self.lcm_vim_tasks: |
| self.lcm_vim_tasks[vim_id] = {} |
| self.lcm_vim_tasks[vim_id][order_id] = {"create_vim": task} |
| continue |
| elif command == "delete": |
| self.cancel_tasks(topic, vim_id) |
| task = asyncio.ensure_future(self.delete_vim(vim_id, order_id)) |
| if vim_id not in self.lcm_vim_tasks: |
| self.lcm_vim_tasks[vim_id] = {} |
| self.lcm_vim_tasks[vim_id][order_id] = {"delete_vim": task} |
| continue |
| elif command == "show": |
| print("not implemented show with vim_account") |
| sys.stdout.flush() |
| continue |
| elif command == "edit": |
| task = asyncio.ensure_future(self.edit_vim(vim_id, order_id)) |
| if vim_id not in self.lcm_vim_tasks: |
| self.lcm_vim_tasks[vim_id] = {} |
| self.lcm_vim_tasks[vim_id][order_id] = {"edit_vim": task} |
| continue |
| elif topic == "sdn": |
| _sdn_id = params["_id"] |
| if command == "create": |
| task = asyncio.ensure_future(self.create_sdn(params, order_id)) |
| if _sdn_id not in self.lcm_sdn_tasks: |
| self.lcm_sdn_tasks[_sdn_id] = {} |
| self.lcm_sdn_tasks[_sdn_id][order_id] = {"create_sdn": task} |
| continue |
| elif command == "delete": |
| self.cancel_tasks(topic, _sdn_id) |
| task = asyncio.ensure_future(self.delete_sdn(_sdn_id, order_id)) |
| if _sdn_id not in self.lcm_sdn_tasks: |
| self.lcm_sdn_tasks[_sdn_id] = {} |
| self.lcm_sdn_tasks[_sdn_id][order_id] = {"delete_sdn": task} |
| continue |
| elif command == "edit": |
| task = asyncio.ensure_future(self.edit_sdn(_sdn_id, order_id)) |
| if _sdn_id not in self.lcm_sdn_tasks: |
| self.lcm_sdn_tasks[_sdn_id] = {} |
| self.lcm_sdn_tasks[_sdn_id][order_id] = {"edit_sdn": task} |
| continue |
| self.logger.critical("unknown topic {} and command '{}'".format(topic, command)) |
| except Exception as e: |
| if consecutive_errors == 5: |
| self.logger.error("Task Kafka task exit error too many errors. Exception: {}".format(e)) |
| break |
| else: |
| consecutive_errors += 1 |
| self.logger.error("Task Kafka Exception {}".format(e)) |
| await asyncio.sleep(1, loop=self.loop) |
| self.logger.debug("Task Kafka terminating") |
| # TODO |
| # self.cancel_tasks("ALL", "create") |
| # timeout = 200 |
| # while self.is_pending_tasks(): |
| # self.logger.debug("Task Kafka terminating. Waiting for tasks termination") |
| # await asyncio.sleep(2, loop=self.loop) |
| # timeout -= 2 |
| # if not timeout: |
| # self.cancel_tasks("ALL", "ALL") |
| self.logger.debug("Task Kafka exit") |
| |
| def start(self): |
| self.loop = asyncio.get_event_loop() |
| self.loop.run_until_complete(self.read_kafka()) |
| self.loop.close() |
| self.loop = None |
| if self.db: |
| self.db.db_disconnect() |
| if self.msg: |
| self.msg.disconnect() |
| if self.fs: |
| self.fs.fs_disconnect() |
| |
| |
| 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)) |
| exit(1) |
| |
| |
| if __name__ == '__main__': |
| |
| config_file = "lcm.cfg" |
| lcm = Lcm(config_file) |
| |
| lcm.start() |