blob: f95a439d4bc24949126c3b3259edbba4abcfb0e7 [file] [log] [blame]
#!/usr/bin/python3
# -*- coding: utf-8 -*-
import asyncio
import yaml
import ROclient
import logging
import logging.handlers
import getopt
import functools
import sys
from osm_common import dbmemory
from osm_common import dbmongo
from osm_common import fslocal
from osm_common import msglocal
from osm_common import msgkafka
from osm_common.dbbase import DbException
from osm_common.fsbase import FsException
from osm_common.msgbase import MsgException
from os import environ, path
from n2vc.vnf import N2VC
from n2vc import version as N2VC_version
from copy import deepcopy
from http import HTTPStatus
from time import time
__author__ = "Alfonso Tierno"
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
self.pings_not_received = 1
# 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,
)
# check version of N2VC
# TODO enhance with int conversion or from distutils.version import LooseVersion
# or with list(map(int, version.split(".")))
if N2VC_version < "0.0.2":
raise LcmException("Not compatible osm/N2VC version '{}'. Needed '0.0.2' or higher".format(N2VC_version))
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))
def update_db_2(self, item, _id, _desc):
try:
self.db.set_one(item, {"_id": _id}, _desc)
except DbException as e:
self.logger.error("Updating {} _id={}: {}".format(item, _id, e))
async def vim_create(self, vim_content, order_id):
vim_id = vim_content["_id"]
logging_text = "Task vim_create={} ".format(vim_id)
self.logger.debug(logging_text + "Enter")
db_vim = None
exc = None
RO_sdn_id = None
RO_sdn_port_mapping = None
try:
step = "Getting vim-id='{}' from db".format(vim_id)
db_vim = self.db.get_one("vim_accounts", {"_id": vim_id})
if "_admin" not in db_vim:
db_vim["_admin"] = {}
if "deployed" not in db_vim["_admin"]:
db_vim["_admin"]["deployed"] = {}
db_vim["_admin"]["deployed"]["RO"] = None
if vim_content.get("config") and vim_content["config"].get("sdn-controller"):
step = "Getting sdn-controller-id='{}' from db".format(vim_content["config"]["sdn-controller"])
db_sdn = self.db.get_one("sdns", {"_id": vim_content["config"]["sdn-controller"]})
if db_sdn.get("_admin") and db_sdn["_admin"].get("deployed") and db_sdn["_admin"]["deployed"].get("RO"):
RO_sdn_id = db_sdn["_admin"]["deployed"]["RO"]
else:
raise LcmException("sdn-controller={} is not available. Not deployed at RO".format(
vim_content["config"]["sdn-controller"]))
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)
if RO_sdn_id:
vim_RO["config"]["sdn-controller"] = RO_sdn_id
desc = await RO.create("vim", descriptor=vim_RO)
RO_vim_id = desc["uuid"]
db_vim["_admin"]["deployed"]["RO"] = RO_vim_id
self.update_db("vim_accounts", vim_id, db_vim)
step = "Creating vim_account at RO"
vim_account_RO = {"vim_tenant_name": vim_content["vim_tenant_name"],
"vim_username": vim_content["vim_user"],
"vim_password": vim_content["vim_password"]
}
if vim_RO.get("config"):
vim_account_RO["config"] = vim_RO["config"]
if "sdn-controller" in vim_account_RO["config"]:
del vim_account_RO["config"]["sdn-controller"]
if "sdn-port-mapping" in vim_account_RO["config"]:
del vim_account_RO["config"]["sdn-port-mapping"]
await RO.attach_datacenter(RO_vim_id, descriptor=vim_account_RO)
db_vim["_admin"]["operationalState"] = "ENABLED"
self.update_db("vim_accounts", 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("vim_accounts", vim_id, db_vim)
async def vim_edit(self, vim_content, order_id):
vim_id = vim_content["_id"]
logging_text = "Task vim_edit={} ".format(vim_id)
self.logger.debug(logging_text + "Enter")
db_vim = None
exc = None
RO_sdn_id = None
step = "Getting vim-id='{}' from db".format(vim_id)
try:
db_vim = self.db.get_one("vim_accounts", {"_id": vim_id})
if db_vim.get("_admin") and db_vim["_admin"].get("deployed") and db_vim["_admin"]["deployed"].get("RO"):
if vim_content.get("config") and vim_content["config"].get("sdn-controller"):
step = "Getting sdn-controller-id='{}' from db".format(vim_content["config"]["sdn-controller"])
db_sdn = self.db.get_one("sdns", {"_id": vim_content["config"]["sdn-controller"]})
if db_sdn.get("_admin") and db_sdn["_admin"].get("deployed") and db_sdn["_admin"]["deployed"].get(
"RO"):
RO_sdn_id = db_sdn["_admin"]["deployed"]["RO"]
else:
raise LcmException("sdn-controller={} is not available. Not deployed at RO".format(
vim_content["config"]["sdn-controller"]))
RO_vim_id = db_vim["_admin"]["deployed"]["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)
if "vim_type" in vim_RO:
vim_RO["type"] = vim_RO.pop("vim_type")
vim_RO.pop("vim_user", None)
vim_RO.pop("vim_password", None)
if RO_sdn_id:
vim_RO["config"]["sdn-controller"] = RO_sdn_id
# TODO make a deep update of sdn-port-mapping
if vim_RO:
await RO.edit("vim", RO_vim_id, descriptor=vim_RO)
step = "Editing vim-account at RO tenant"
vim_account_RO = {}
if "config" in vim_content:
if "sdn-controller" in vim_content["config"]:
del vim_content["config"]["sdn-controller"]
if "sdn-port-mapping" in vim_content["config"]:
del vim_content["config"]["sdn-port-mapping"]
if not vim_content["config"]:
del vim_content["config"]
for k in ("vim_tenant_name", "vim_password", "config"):
if k in vim_content:
vim_account_RO[k] = vim_content[k]
if "vim_user" in vim_content:
vim_content["vim_username"] = vim_content["vim_user"]
if vim_account_RO:
await RO.edit("vim_account", RO_vim_id, descriptor=vim_account_RO)
db_vim["_admin"]["operationalState"] = "ENABLED"
self.update_db("vim_accounts", 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("vim_accounts", vim_id, db_vim)
async def vim_delete(self, vim_id, order_id):
logging_text = "Task vim_delete={} ".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("vim_accounts", {"_id": vim_id})
if db_vim.get("_admin") and db_vim["_admin"].get("deployed") and db_vim["_admin"]["deployed"].get("RO"):
RO_vim_id = db_vim["_admin"]["deployed"]["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("vim_accounts", {"_id": vim_id})
self.logger.debug("vim_delete 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("vim_accounts", vim_id, db_vim)
async def sdn_create(self, sdn_content, order_id):
sdn_id = sdn_content["_id"]
logging_text = "Task sdn_create={} ".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 "deployed" not in db_sdn["_admin"]:
db_sdn["_admin"]["deployed"] = {}
db_sdn["_admin"]["deployed"]["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)
sdn_RO.pop("description", None)
desc = await RO.create("sdn", descriptor=sdn_RO)
RO_sdn_id = desc["uuid"]
db_sdn["_admin"]["deployed"]["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 sdn_edit(self, sdn_content, order_id):
sdn_id = sdn_content["_id"]
logging_text = "Task sdn_edit={} ".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("deployed") and db_sdn["_admin"]["deployed"].get("RO"):
RO_sdn_id = db_sdn["_admin"]["deployed"]["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)
sdn_RO.pop("description", None)
if sdn_RO:
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 sdn_delete(self, sdn_id, order_id):
logging_text = "Task sdn_delete={} ".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("deployed") and db_sdn["_admin"]["deployed"].get("RO"):
RO_sdn_id = db_sdn["_admin"]["deployed"]["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("sdn_delete 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, status, message, db_nsr, db_nslcmop, member_vnf_index,
task=None):
"""
Callback both for charm status change and task completion
:param model_name: Charm model name
:param application_name: Charm application name
:param status: Can be
- 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
:param message: detailed message error
:param db_nsr: nsr database content
:param db_nslcmop: nslcmop database content
:param member_vnf_index: NSD member-vnf-index
:param task: None for charm status change, or task for completion task callback
:return:
"""
nsr_id = None
nslcmop_id = None
update_nsr = update_nslcmop = False
try:
nsr_id = db_nsr["_id"]
nslcmop_id = db_nslcmop["_id"]
nsr_lcm = db_nsr["_admin"]["deployed"]
ns_action = db_nslcmop["lcmOperationType"]
logging_text = "Task ns={} {}={} [n2vc_callback] vnf_index={}".format(nsr_id, ns_action, nslcmop_id,
member_vnf_index)
if task:
if task.cancelled():
self.logger.debug(logging_text + " task Cancelled")
# TODO update db_nslcmop
return
if task.done():
exc = task.exception()
if exc:
self.logger.error(logging_text + " task Exception={}".format(exc))
if ns_action in ("instantiate", "terminate"):
nsr_lcm["VCA"][member_vnf_index]['operational-status'] = "error"
nsr_lcm["VCA"][member_vnf_index]['detailed-status'] = str(exc)
elif ns_action == "action":
db_nslcmop["operationState"] = "FAILED"
db_nslcmop["detailed-status"] = str(exc)
db_nslcmop["statusEnteredTime"] = time()
update_nslcmop = True
return
else:
self.logger.debug(logging_text + " task Done")
# TODO revise with Adam if action is finished and ok when task is done
if ns_action == "action":
db_nslcmop["operationState"] = "COMPLETED"
db_nslcmop["detailed-status"] = "Done"
db_nslcmop["statusEnteredTime"] = time()
update_nslcmop = True
# task is Done, but callback is still ongoing. So ignore
return
elif status:
self.logger.debug(logging_text + " Enter status={}".format(status))
if nsr_lcm["VCA"][member_vnf_index]['operational-status'] == status:
return # same status, ignore
nsr_lcm["VCA"][member_vnf_index]['operational-status'] = status
nsr_lcm["VCA"][member_vnf_index]['detailed-status'] = str(message)
else:
self.logger.critical(logging_text + " Enter with bad parameters", exc_info=True)
return
all_active = True
status_map = {}
n2vc_error_text = [] # contain text error list. If empty no one is in error status
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
elif vca_status in ("error", "blocked"):
n2vc_error_text.append("member_vnf_index={} {}: {}".format(member_vnf_index, vca_status,
vca_info["detailed-status"]))
if all_active:
self.logger.debug("[n2vc_callback] ns_instantiate={} vnf_index={} All active".format(nsr_id,
member_vnf_index))
db_nsr["config-status"] = "configured"
db_nsr["detailed-status"] = "done"
db_nslcmop["operationState"] = "COMPLETED"
db_nslcmop["detailed-status"] = "Done"
db_nslcmop["statusEnteredTime"] = time()
elif n2vc_error_text:
db_nsr["config-status"] = "failed"
error_text = "fail configuring " + ";".join(n2vc_error_text)
db_nsr["detailed-status"] = error_text
db_nslcmop["operationState"] = "FAILED_TEMP"
db_nslcmop["detailed-status"] = error_text
db_nslcmop["statusEnteredTime"] = time()
else:
cs = "configuring: "
separator = ""
for status, num in status_map.items():
cs += separator + "{}: {}".format(status, num)
separator = ", "
db_nsr["config-status"] = cs
db_nsr["detailed-status"] = cs
db_nslcmop["detailed-status"] = cs
update_nsr = update_nslcmop = True
except Exception as e:
self.logger.critical("[n2vc_callback] vnf_index={} Exception {}".format(member_vnf_index, e), exc_info=True)
finally:
try:
if update_nslcmop:
self.update_db("nslcmops", nslcmop_id, db_nslcmop)
if update_nsr:
self.update_db("nsrs", nsr_id, db_nsr)
except Exception as e:
self.logger.critical("[n2vc_callback] vnf_index={} Update database Exception {}".format(
member_vnf_index, e), exc_info=True)
def ns_params_2_RO(self, ns_params):
"""
Creates a RO ns descriptor from OSM ns_instantite params
:param ns_params: OSM instantiate params
:return: The RO ns descriptor
"""
vim_2_RO = {}
def vim_account_2_RO(vim_account):
if vim_account in vim_2_RO:
return vim_2_RO[vim_account]
db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
# if db_vim["_admin"]["operationalState"] == "PROCESSING":
# #TODO check if VIM is creating and wait
if db_vim["_admin"]["operationalState"] != "ENABLED":
raise LcmException("VIM={} is not available. operationalState={}".format(
vim_account, db_vim["_admin"]["operationalState"]))
RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
vim_2_RO[vim_account] = RO_vim_id
return RO_vim_id
if not ns_params:
return None
RO_ns_params = {
# "name": ns_params["nsName"],
# "description": ns_params.get("nsDescription"),
"datacenter": vim_account_2_RO(ns_params["vimAccountId"]),
# "scenario": ns_params["nsdId"],
"vnfs": {},
"networks": {},
}
if ns_params.get("ssh-authorized-key"):
RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh-authorized-key"]}
if ns_params.get("vnf"):
for vnf in ns_params["vnf"]:
RO_vnf = {}
if "vimAccountId" in vnf:
RO_vnf["datacenter"] = vim_account_2_RO(vnf["vimAccountId"])
if RO_vnf:
RO_ns_params["vnfs"][vnf["member-vnf-index"]] = RO_vnf
if ns_params.get("vld"):
for vld in ns_params["vld"]:
RO_vld = {}
if "ip-profile" in vld:
RO_vld["ip-profile"] = vld["ip-profile"]
if "vim-network-name" in vld:
RO_vld["sites"] = []
if isinstance(vld["vim-network-name"], dict):
for vim_account, vim_net in vld["vim-network-name"].items():
RO_vld["sites"].append({
"netmap-use": vim_net,
"datacenter": vim_account_2_RO(vim_account)
})
else: # isinstance str
RO_vld["sites"].append({"netmap-use": vld["vim-network-name"]})
if RO_vld:
RO_ns_params["networks"][vld["name"]] = RO_vld
return RO_ns_params
async def ns_instantiate(self, nsr_id, nslcmop_id):
logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
db_nsr = None
db_nslcmop = None
db_vnfr = {}
exc = None
try:
step = "Getting nslcmop={} from db".format(nslcmop_id)
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
step = "Getting nsr={} from db".format(nsr_id)
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
nsd = db_nsr["nsd"]
nsr_name = db_nsr["name"] # TODO short-name??
needed_vnfd = {}
vnfr_filter = {"nsr-id-ref": nsr_id, "member-vnf-index-ref": None}
for c_vnf in nsd["constituent-vnfd"]:
vnfd_id = c_vnf["vnfd-id-ref"]
vnfr_filter["member-vnf-index-ref"] = c_vnf["member-vnf-index"]
db_vnfr[c_vnf["member-vnf-index"]] = self.db.get_one("vnfrs", vnfr_filter)
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 = db_nsr["_admin"].get("deployed")
if not nsr_lcm:
nsr_lcm = db_nsr["_admin"]["deployed"] = {
"id": nsr_id,
"RO": {"vnfd_id": {}, "nsd_id": None, "nsr_id": None, "nsr_status": "SCHEDULED"},
"nsr_ip": {},
"VCA": {},
}
db_nsr["detailed-status"] = "creating"
db_nsr["operational-status"] = "init"
RO = ROclient.ROClient(self.loop, **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 + "vnfd={} exists at RO. 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"]
db_nsr["_admin"]["nsState"] = "INSTANTIATED"
self.logger.debug(logging_text + "vnfd={} created at RO. RO_id={}".format(
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 = nsr_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 + "nsd={} exists at RO. 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)
db_nsr["_admin"]["nsState"] = "INSTANTIATED"
nsr_lcm["RO"]["nsd_id"] = desc["uuid"]
self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(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. RO_ns_id={}".format(RO_nsr_id)
self.logger.debug(logging_text + step)
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)
RO_ns_params = self.ns_params_2_RO(db_nsr.get("instantiate_params"))
desc = await RO.create("ns", descriptor=RO_ns_params,
name=db_nsr["name"],
scenario=nsr_lcm["RO"]["nsd_id"])
RO_nsr_id = nsr_lcm["RO"]["nsr_id"] = desc["uuid"]
db_nsr["_admin"]["nsState"] = "INSTANTIATED"
nsr_lcm["RO"]["nsr_status"] = "BUILD"
self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
self.update_db("nsrs", nsr_id, db_nsr)
# update VNFR vimAccount
step = "Updating VNFR vimAcccount"
for vnf_index, vnfr in db_vnfr.items():
if vnfr.get("vim-account-id"):
continue
if db_nsr["instantiate_params"].get("vnf") and db_nsr["instantiate_params"]["vnf"].get(vnf_index) \
and db_nsr["instantiate_params"]["vnf"][vnf_index].get("vimAccountId"):
vnfr["vim-account-id"] = db_nsr["instantiate_params"]["vnf"][vnf_index]["vimAccountId"]
else:
vnfr["vim-account-id"] = db_nsr["instantiate_params"]["vimAccountId"]
self.update_db("vnfrs", vnfr["_id"], vnfr)
# wait until NS is ready
step = ns_status_detailed = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
db_nsr["detailed-status"] = ns_status_detailed
self.logger.debug(logging_text + step)
deployment_timeout = 2 * 3600 # Two hours
while deployment_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_old = db_nsr["detailed-status"]
db_nsr["detailed-status"] = ns_status_detailed + "; {}".format(ns_status_info)
if db_nsr_detailed_status_old != db_nsr["detailed-status"]:
self.update_db("nsrs", nsr_id, db_nsr)
elif ns_status == "ACTIVE":
step = "Waiting for management IP address from VIM"
try:
ns_RO_info = nsr_lcm["nsr_ip"] = RO.get_ns_vnf_info(desc)
break
except ROclient.ROClientException as e:
if e.http_code != 409: # IP address is not ready return code is 409 CONFLICT
raise e
else:
assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
await asyncio.sleep(5, loop=self.loop)
deployment_timeout -= 5
if deployment_timeout <= 0:
raise ROclient.ROClientException("Timeout waiting ns to be ready")
step = "Updating VNFRs"
for vnf_index, vnfr_deployed in ns_RO_info.items():
vnfr = db_vnfr[vnf_index]
vnfr["ip-address"] = vnfr_deployed.get("ip_address")
for vdu_id, vdu_deployed in vnfr_deployed["vdur"].items():
for vdur in vnfr["vdur"]:
if vdur["vdu-id-ref"] == vdu_id:
vdur["vim-id"] = vdu_deployed.get("vim_id")
vdur["ip-address"] = vdu_deployed.get("ip_address")
break
self.update_db("vnfrs", vnfr["_id"], vnfr)
db_nsr["detailed-status"] = "Configuring vnfr"
self.update_db("nsrs", nsr_id, db_nsr)
# The parameters we'll need to deploy a charm
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'] = db_vnfr[vnf_index]["ip-address"]
# 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
db_nslcmop,
vnf_index, # Callback parameter
None, # Callback parameter (task)
)
)
task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, None,
db_nsr, db_nslcmop, vnf_index))
self.lcm_ns_tasks[nsr_id][nslcmop_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 this VNF has a charm configuration
vnf_config = vnfd.get("vnf-configuration")
if vnf_config and vnf_config.get("juju"):
proxy_charm = vnf_config["juju"]["charm"]
params = {}
if proxy_charm:
if 'initial-config-primitive' in vnf_config:
params['initial-config-primitive'] = vnf_config['initial-config-primitive']
deploy()
number_to_configure += 1
# Deploy charms for each VDU that supports one.
for vdu in vnfd['vdu']:
vdu_config = vdu.get('vdu-configuration')
proxy_charm = None
params = {}
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']
if proxy_charm:
deploy()
number_to_configure += 1
if number_to_configure:
db_nsr["config-status"] = "configuring"
db_nsr["detailed-status"] = "configuring: init: {}".format(number_to_configure)
db_nslcmop["detailed-status"] = "configuring: init: {}".format(number_to_configure)
else:
db_nslcmop["operationState"] = "COMPLETED"
db_nslcmop["detailed-status"] = "done"
db_nsr["config-status"] = "configured"
db_nsr["detailed-status"] = "done"
db_nsr["operational-status"] = "running"
self.update_db("nsrs", nsr_id, db_nsr)
self.update_db("nslcmops", nslcmop_id, db_nslcmop)
self.logger.debug("Task ns_instantiate={} Exit Ok".format(nsr_id))
return nsr_lcm
except (ROclient.ROClientException, DbException, LcmException) as e:
self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
exc = e
except Exception as e:
self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
exc_info=True)
exc = e
finally:
if exc:
if db_nsr:
db_nsr["detailed-status"] = "ERROR {}: {}".format(step, exc)
db_nsr["operational-status"] = "failed"
self.update_db("nsrs", nsr_id, db_nsr)
if db_nslcmop:
db_nslcmop["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nslcmop["operationState"] = "FAILED"
db_nslcmop["statusEnteredTime"] = time()
self.update_db("nslcmops", nslcmop_id, db_nslcmop)
async def ns_terminate(self, nsr_id, nslcmop_id):
logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
db_nsr = None
db_nslcmop = None
exc = None
step = "Getting nsr, nslcmop from db"
failed_detail = [] # annotates all failed error messages
vca_task_list = []
vca_task_dict = {}
try:
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
# nsd = db_nsr["nsd"]
nsr_lcm = deepcopy(db_nsr["_admin"]["deployed"])
if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
return
# TODO ALF remove
# db_vim = self.db.get_one("vim_accounts", {"_id": db_nsr["datacenter"]})
# #TODO check if VIM is creating and wait
# RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
db_nsr_update = {
"operational-status": "terminating",
"config-status": "terminating",
"detailed-status": "Deleting charms",
}
self.update_db_2("nsrs", nsr_id, db_nsr_update)
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"):
task = asyncio.ensure_future(
self.n2vc.RemoveCharms(
deploy_info['model'],
deploy_info['application'],
# self.n2vc_callback,
# db_nsr,
# db_nslcmop,
# vnf_index,
)
)
vca_task_list.append(task)
vca_task_dict[vnf_index] = task
# task.add_done_callback(functools.partial(self.n2vc_callback, deploy_info['model'],
# deploy_info['application'], None, db_nsr,
# db_nslcmop, vnf_index))
self.lcm_ns_tasks[nsr_id][nslcmop_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, **self.ro_config)
# Delete ns
RO_nsr_id = nsr_lcm["RO"].get("nsr_id")
if RO_nsr_id:
try:
step = db_nsr["detailed-status"] = "Deleting ns at RO"
self.logger.debug(logging_text + step)
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
failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
self.logger.debug(logging_text + failed_detail[-1])
else:
failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
self.logger.error(logging_text + failed_detail[-1])
# Delete nsd
RO_nsd_id = nsr_lcm["RO"]["nsd_id"]
if RO_nsd_id:
try:
step = db_nsr["detailed-status"] = "Deleting nsd at RO"
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
failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
self.logger.debug(logging_text + failed_detail[-1])
else:
failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
self.logger.error(logging_text + failed_detail[-1])
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)
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
failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
self.logger.debug(logging_text + failed_detail[-1])
else:
failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
self.logger.error(logging_text + failed_detail[-1])
if vca_task_list:
await asyncio.wait(vca_task_list, timeout=300)
for vnf_index, task in vca_task_dict.items():
if task.cancelled():
failed_detail.append("VCA[{}] Deletion has been cancelled".format(vnf_index))
elif task.done():
exc = task.exception()
if exc:
failed_detail.append("VCA[{}] Deletion exception: {}".format(vnf_index, exc))
else:
nsr_lcm["VCA"][vnf_index] = None
else: # timeout
# TODO Should it be cancelled?!!
task.cancel()
failed_detail.append("VCA[{}] Deletion timeout".format(vnf_index))
if failed_detail:
self.logger.error(logging_text + " ;".join(failed_detail))
db_nsr_update = {
"operational-status": "failed",
"detailed-status": "Deletion errors " + "; ".join(failed_detail),
"_admin.deployed": nsr_lcm
}
db_nslcmop_update = {
"detailed-status": "; ".join(failed_detail),
"operationState": "FAILED",
"statusEnteredTime": time()
}
elif db_nslcmop["operationParams"].get("autoremove"):
self.db.del_one("nsrs", {"_id": nsr_id})
self.db.del_list("nslcmops", {"nsInstanceId": nsr_id})
self.db.del_list("vnfrs", {"nsr-id-ref": nsr_id})
else:
db_nsr_update = {
"operational-status": "terminated",
"detailed-status": "Done",
"_admin.deployed": nsr_lcm,
"_admin.nsState": "NOT_INSTANTIATED"
}
db_nslcmop_update = {
"detailed-status": "Done",
"operationState": "COMPLETED",
"statusEnteredTime": time()
}
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_nslcmop:
db_nslcmop_update = {
"detailed-status": "FAILED {}: {}".format(step, exc),
"operationState": "FAILED",
"statusEnteredTime": time(),
}
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
if db_nsr_update:
self.update_db_2("nsrs", nsr_id, db_nsr_update)
async def ns_action(self, nsr_id, nslcmop_id):
logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
self.logger.debug(logging_text + "Enter")
# get all needed from database
db_nsr = None
db_nslcmop = None
db_nslcmop_update = None
exc = None
try:
step = "Getting information from database"
db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
nsr_lcm = db_nsr["_admin"].get("deployed")
vnf_index = db_nslcmop["operationParams"]["member_vnf_index"]
# TODO check if ns is in a proper status
vca_deployed = nsr_lcm["VCA"].get(vnf_index)
if not vca_deployed:
raise LcmException("charm for member_vnf_index={} is not deployed".format(vnf_index))
model_name = vca_deployed.get("model")
application_name = vca_deployed.get("application")
if not model_name or not application_name:
raise LcmException("charm for member_vnf_index={} is not properly deployed".format(vnf_index))
if vca_deployed["operational-status"] != "active":
raise LcmException("charm for member_vnf_index={} operational_status={} not 'active'".format(
vnf_index, vca_deployed["operational-status"]))
primitive = db_nslcmop["operationParams"]["primitive"]
primitive_params = db_nslcmop["operationParams"]["primitive_params"]
callback = None # self.n2vc_callback
callback_args = () # [db_nsr, db_nslcmop, vnf_index, None]
await self.n2vc.login()
task = asyncio.ensure_future(
self.n2vc.ExecutePrimitive(
model_name,
application_name,
primitive, callback,
*callback_args,
**primitive_params
)
)
# task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None,
# db_nsr, db_nslcmop, vnf_index))
# self.lcm_ns_tasks[nsr_id][nslcmop_id]["action: " + primitive] = task
# wait until completed with timeout
await asyncio.wait((task,), timeout=300)
result = "FAILED" # by default
result_detail = ""
if task.cancelled():
db_nslcmop["detailed-status"] = "Task has been cancelled"
elif task.done():
exc = task.exception()
if exc:
result_detail = str(exc)
else:
self.logger.debug(logging_text + " task Done")
# TODO revise with Adam if action is finished and ok when task is done or callback is needed
result = "COMPLETED"
result_detail = "Done"
else: # timeout
# TODO Should it be cancelled?!!
task.cancel()
result_detail = "timeout"
db_nslcmop_update = {
"detailed-status": result_detail,
"operationState": result,
"statusEnteredTime": time()
}
self.logger.debug(logging_text + " task Done with result {} {}".format(result, result_detail))
return # database update is called inside finally
except (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(type(e).__name__, e), exc_info=True)
exc = e
finally:
if exc and db_nslcmop:
db_nslcmop_update = {
"detailed-status": "FAILED {}: {}".format(step, exc),
"operationState": "FAILED",
"statusEnteredTime": time(),
}
if db_nslcmop_update:
self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
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 kafka_ping(self):
self.logger.debug("Task kafka_ping Enter")
consecutive_errors = 0
first_start = True
kafka_has_received = False
self.pings_not_received = 1
while True:
try:
await self.msg.aiowrite("admin", "ping", {"from": "lcm", "to": "lcm"}, self.loop)
# time between pings are low when it is not received and at starting
wait_time = 5 if not kafka_has_received else 120
if not self.pings_not_received:
kafka_has_received = True
self.pings_not_received += 1
await asyncio.sleep(wait_time, loop=self.loop)
if self.pings_not_received > 10:
raise LcmException("It is not receiving pings from Kafka bus")
consecutive_errors = 0
first_start = False
except LcmException:
raise
except Exception as e:
# if not first_start is the first time after starting. So leave more time and wait
# to allow kafka starts
if consecutive_errors == 8 if not first_start else 30:
self.logger.error("Task kafka_read task exit error too many errors. Exception: {}".format(e))
raise
consecutive_errors += 1
self.logger.error("Task kafka_read retrying after Exception {}".format(e))
wait_time = 1 if not first_start else 5
await asyncio.sleep(wait_time, loop=self.loop)
async def kafka_read(self):
self.logger.debug("Task kafka_read Enter")
order_id = 1
# future = asyncio.Future()
consecutive_errors = 0
first_start = True
while consecutive_errors < 10:
try:
topics = ("admin", "ns", "vim_account", "sdn")
topic, command, params = await self.msg.aioread(topics, self.loop)
if topic != "admin" and command != "ping":
self.logger.debug("Task kafka_read receives {} {}: {}".format(topic, command, params))
consecutive_errors = 0
first_start = False
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 == "admin":
if command == "ping" and params["to"] == "lcm" and params["from"] == "lcm":
self.pings_not_received = 0
continue
elif topic == "ns":
if command == "instantiate":
# self.logger.debug("Deploying NS {}".format(nsr_id))
nslcmop = params
nslcmop_id = nslcmop["_id"]
nsr_id = nslcmop["nsInstanceId"]
task = asyncio.ensure_future(self.ns_instantiate(nsr_id, nslcmop_id))
if nsr_id not in self.lcm_ns_tasks:
self.lcm_ns_tasks[nsr_id] = {}
self.lcm_ns_tasks[nsr_id][nslcmop_id] = {"ns_instantiate": task}
continue
elif command == "terminate":
# self.logger.debug("Deleting NS {}".format(nsr_id))
nslcmop = params
nslcmop_id = nslcmop["_id"]
nsr_id = nslcmop["nsInstanceId"]
self.cancel_tasks(topic, nsr_id)
task = asyncio.ensure_future(self.ns_terminate(nsr_id, nslcmop_id))
if nsr_id not in self.lcm_ns_tasks:
self.lcm_ns_tasks[nsr_id] = {}
self.lcm_ns_tasks[nsr_id][nslcmop_id] = {"ns_terminate": task}
continue
elif command == "action":
# self.logger.debug("Update NS {}".format(nsr_id))
nslcmop = params
nslcmop_id = nslcmop["_id"]
nsr_id = nslcmop["nsInstanceId"]
task = asyncio.ensure_future(self.ns_action(nsr_id, nslcmop_id))
if nsr_id not in self.lcm_ns_tasks:
self.lcm_ns_tasks[nsr_id] = {}
self.lcm_ns_tasks[nsr_id][nslcmop_id] = {"ns_action": 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"]["deployed"], self.lcm_ns_tasks.get(nsr_id)))
except Exception as e:
print("nsr {} not found: {}".format(nsr_id, e))
sys.stdout.flush()
continue
elif command == "deleted":
continue # TODO cleaning of task just in case should be done
elif topic == "vim_account":
vim_id = params["_id"]
if command == "create":
task = asyncio.ensure_future(self.vim_create(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] = {"vim_create": task}
continue
elif command == "delete":
self.cancel_tasks(topic, vim_id)
task = asyncio.ensure_future(self.vim_delete(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] = {"vim_delete": task}
continue
elif command == "show":
print("not implemented show with vim_account")
sys.stdout.flush()
continue
elif command == "edit":
task = asyncio.ensure_future(self.vim_edit(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] = {"vim_edit": task}
continue
elif topic == "sdn":
_sdn_id = params["_id"]
if command == "create":
task = asyncio.ensure_future(self.sdn_create(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] = {"sdn_create": task}
continue
elif command == "delete":
self.cancel_tasks(topic, _sdn_id)
task = asyncio.ensure_future(self.sdn_delete(_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] = {"sdn_delete": task}
continue
elif command == "edit":
task = asyncio.ensure_future(self.sdn_edit(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] = {"sdn_edit": task}
continue
self.logger.critical("unknown topic {} and command '{}'".format(topic, command))
except Exception as e:
# if not first_start is the first time after starting. So leave more time and wait
# to allow kafka starts
if consecutive_errors == 8 if not first_start else 30:
self.logger.error("Task kafka_read task exit error too many errors. Exception: {}".format(e))
raise
consecutive_errors += 1
self.logger.error("Task kafka_read retrying after Exception {}".format(e))
wait_time = 2 if not first_start else 5
await asyncio.sleep(wait_time, loop=self.loop)
# self.logger.debug("Task kafka_read terminating")
self.logger.debug("Task kafka_read exit")
def start(self):
self.loop = asyncio.get_event_loop()
self.loop.run_until_complete(asyncio.gather(
self.kafka_read(),
self.kafka_ping()
))
# TODO
# self.logger.debug("Terminating cancelling creation tasks")
# self.cancel_tasks("ALL", "create")
# timeout = 200
# while self.is_pending_tasks():
# self.logger.debug("Task kafka_read terminating. Waiting for tasks termination")
# await asyncio.sleep(2, loop=self.loop)
# timeout -= 2
# if not timeout:
# self.cancel_tasks("ALL", "ALL")
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)
def usage():
print("""Usage: {} [options]
-c|--config [configuration_file]: loads the configuration file (default: ./nbi.cfg)
-h|--help: shows this help
""".format(sys.argv[0]))
# --log-socket-host HOST: send logs to this host")
# --log-socket-port PORT: send logs using this port (default: 9022)")
if __name__ == '__main__':
try:
# load parameters and configuration
opts, args = getopt.getopt(sys.argv[1:], "hc:", ["config=", "help"])
# TODO add "log-socket-host=", "log-socket-port=", "log-file="
config_file = None
for o, a in opts:
if o in ("-h", "--help"):
usage()
sys.exit()
elif o in ("-c", "--config"):
config_file = a
# elif o == "--log-socket-port":
# log_socket_port = a
# elif o == "--log-socket-host":
# log_socket_host = a
# elif o == "--log-file":
# log_file = a
else:
assert False, "Unhandled option"
if config_file:
if not path.isfile(config_file):
print("configuration file '{}' that not exist".format(config_file), file=sys.stderr)
exit(1)
else:
for config_file in (__file__[:__file__.rfind(".")] + ".cfg", "./lcm.cfg", "/etc/osm/lcm.cfg"):
if path.isfile(config_file):
break
else:
print("No configuration file 'nbi.cfg' found neither at local folder nor at /etc/osm/", file=sys.stderr)
exit(1)
lcm = Lcm(config_file)
lcm.start()
except getopt.GetoptError as e:
print(str(e), file=sys.stderr)
# usage()
exit(1)