# limitations under the License.
##
-import logging
-# import yaml
-from traceback import format_exc as traceback_format_exc
-from osm_ng_ro.ns_thread import NsWorker, NsWorkerException, deep_get
-from osm_ng_ro.validation import validate_input, deploy_schema
-from osm_common import dbmongo, dbmemory, fslocal, fsmongo, msglocal, msgkafka, version as common_version
-from osm_common.dbbase import DbException
-from osm_common.fsbase import FsException
-from osm_common.msgbase import MsgException
from http import HTTPStatus
-from uuid import uuid4
-from threading import Lock
+from itertools import product
+import logging
from random import choice as random_choice
+from threading import Lock
from time import time
-from jinja2 import Environment, TemplateError, TemplateNotFound, StrictUndefined, UndefinedError
+from traceback import format_exc as traceback_format_exc
+from typing import Any, Dict, Tuple, Type
+from uuid import uuid4
+
+from cryptography.hazmat.backends import default_backend as crypto_default_backend
from cryptography.hazmat.primitives import serialization as crypto_serialization
from cryptography.hazmat.primitives.asymmetric import rsa
-from cryptography.hazmat.backends import default_backend as crypto_default_backend
+from jinja2 import (
+ Environment,
+ StrictUndefined,
+ TemplateError,
+ TemplateNotFound,
+ UndefinedError,
+)
+from osm_common import (
+ dbmemory,
+ dbmongo,
+ fslocal,
+ fsmongo,
+ msgkafka,
+ msglocal,
+ version as common_version,
+)
+from osm_common.dbbase import DbBase, DbException
+from osm_common.fsbase import FsBase, FsException
+from osm_common.msgbase import MsgException
+from osm_ng_ro.ns_thread import deep_get, NsWorker, NsWorkerException
+from osm_ng_ro.validation import deploy_schema, validate_input
+import yaml
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
min_common_version = "0.1.16"
class NsException(Exception):
-
def __init__(self, message, http_code=HTTPStatus.BAD_REQUEST):
self.http_code = http_code
super(Exception, self).__init__(message)
text_id_ = f.readline()
_, _, text_id = text_id_.rpartition("/")
text_id = text_id.replace("\n", "")[:12]
+
if text_id:
return text_id
except Exception:
pass
+
# Return a random id
return "".join(random_choice("0123456789abcdef") for _ in range(12))
def versiontuple(v):
"""utility for compare dot separate versions. Fills with zeros to proper number comparison"""
filled = []
+
for point in v.split("."):
filled.append(point.zfill(8))
+
return tuple(filled)
class Ns(object):
-
def __init__(self):
self.db = None
self.fs = None
# If done now it will not be linked to parent not getting its handler and level
self.map_topic = {}
self.write_lock = None
- self.assignment = {}
- self.assignment_list = []
+ self.vims_assigned = {}
self.next_worker = 0
self.plugins = {}
self.workers = []
+ self.process_params_function_map = {
+ "net": Ns._process_net_params,
+ "image": Ns._process_image_params,
+ "flavor": Ns._process_flavor_params,
+ "vdu": Ns._process_vdu_params,
+ "affinity-or-anti-affinity-group": Ns._process_affinity_group_params,
+ }
+ self.db_path_map = {
+ "net": "vld",
+ "image": "image",
+ "flavor": "flavor",
+ "vdu": "vdur",
+ "affinity-or-anti-affinity-group": "affinity-or-anti-affinity-group",
+ }
def init_db(self, target_version):
pass
self.config = config
self.config["process_id"] = get_process_id() # used for HA identity
self.logger = logging.getLogger("ro.ns")
+
# check right version of common
if versiontuple(common_version) < versiontuple(min_common_version):
- raise NsException("Not compatible osm/common version '{}'. Needed '{}' or higher".format(
- common_version, min_common_version))
+ raise NsException(
+ "Not compatible osm/common version '{}'. Needed '{}' or higher".format(
+ common_version, min_common_version
+ )
+ )
try:
if not self.db:
self.db = dbmemory.DbMemory()
self.db.db_connect(config["database"])
else:
- raise NsException("Invalid configuration param '{}' at '[database]':'driver'".format(
- config["database"]["driver"]))
+ raise NsException(
+ "Invalid configuration param '{}' at '[database]':'driver'".format(
+ config["database"]["driver"]
+ )
+ )
+
if not self.fs:
if config["storage"]["driver"] == "local":
self.fs = fslocal.FsLocal()
elif config["storage"]["driver"] is None:
pass
else:
- raise NsException("Invalid configuration param '{}' at '[storage]':'driver'".format(
- config["storage"]["driver"]))
+ raise NsException(
+ "Invalid configuration param '{}' at '[storage]':'driver'".format(
+ config["storage"]["driver"]
+ )
+ )
+
if not self.msg:
if config["message"]["driver"] == "local":
self.msg = msglocal.MsgLocal()
self.msg = msgkafka.MsgKafka()
self.msg.connect(config["message"])
else:
- raise NsException("Invalid configuration param '{}' at '[message]':'driver'".format(
- config["message"]["driver"]))
+ raise NsException(
+ "Invalid configuration param '{}' at '[message]':'driver'".format(
+ config["message"]["driver"]
+ )
+ )
# TODO load workers to deal with exising database tasks
except (DbException, FsException, MsgException) as e:
raise NsException(str(e), http_code=e.http_code)
+ def get_assigned_vims(self):
+ return list(self.vims_assigned.keys())
+
def stop(self):
try:
if self.db:
self.db.db_disconnect()
+
if self.fs:
self.fs.fs_disconnect()
+
if self.msg:
self.msg.disconnect()
+
self.write_lock = None
except (DbException, FsException, MsgException) as e:
raise NsException(str(e), http_code=e.http_code)
+
for worker in self.workers:
worker.insert_task(("terminate",))
- def _create_worker(self, target_id, load=True):
- # Look for a thread not alive
- worker_id = next((i for i in range(len(self.workers)) if not self.workers[i].is_alive()), None)
- if worker_id:
- # re-start worker
- self.workers[worker_id].start()
+ def _create_worker(self):
+ """
+ Look for a worker thread in idle status. If not found it creates one unless the number of threads reach the
+ limit of 'server.ns_threads' configuration. If reached, it just assigns one existing thread
+ return the index of the assigned worker thread. Worker threads are storead at self.workers
+ """
+ # Look for a thread in idle status
+ worker_id = next(
+ (
+ i
+ for i in range(len(self.workers))
+ if self.workers[i] and self.workers[i].idle
+ ),
+ None,
+ )
+
+ if worker_id is not None:
+ # unset idle status to avoid race conditions
+ self.workers[worker_id].idle = False
else:
worker_id = len(self.workers)
+
if worker_id < self.config["global"]["server.ns_threads"]:
# create a new worker
- self.workers.append(NsWorker(worker_id, self.config, self.plugins, self.db))
+ self.workers.append(
+ NsWorker(worker_id, self.config, self.plugins, self.db)
+ )
self.workers[worker_id].start()
else:
# reached maximum number of threads, assign VIM to an existing one
worker_id = self.next_worker
- self.next_worker = (self.next_worker + 1) % self.config["global"]["server.ns_threads"]
- if load:
- self.workers[worker_id].insert_task(("load_vim", target_id))
+ self.next_worker = (self.next_worker + 1) % self.config["global"][
+ "server.ns_threads"
+ ]
+
return worker_id
def assign_vim(self, target_id):
- if target_id not in self.assignment:
- self.assignment[target_id] = self._create_worker(target_id)
- self.assignment_list.append(target_id)
+ with self.write_lock:
+ return self._assign_vim(target_id)
+
+ def _assign_vim(self, target_id):
+ if target_id not in self.vims_assigned:
+ worker_id = self.vims_assigned[target_id] = self._create_worker()
+ self.workers[worker_id].insert_task(("load_vim", target_id))
def reload_vim(self, target_id):
# send reload_vim to the thread working with this VIM and inform all that a VIM has been changed,
# this is because database VIM information is cached for threads working with SDN
- # if target_id in self.assignment:
- # worker_id = self.assignment[target_id]
- # self.workers[worker_id].insert_task(("reload_vim", target_id))
- for worker in self.workers:
- if worker.is_alive():
- worker.insert_task(("reload_vim", target_id))
+ with self.write_lock:
+ for worker in self.workers:
+ if worker and not worker.idle:
+ worker.insert_task(("reload_vim", target_id))
def unload_vim(self, target_id):
- if target_id in self.assignment:
- worker_id = self.assignment[target_id]
+ with self.write_lock:
+ return self._unload_vim(target_id)
+
+ def _unload_vim(self, target_id):
+ if target_id in self.vims_assigned:
+ worker_id = self.vims_assigned[target_id]
self.workers[worker_id].insert_task(("unload_vim", target_id))
- del self.assignment[target_id]
- self.assignment_list.remove(target_id)
+ del self.vims_assigned[target_id]
def check_vim(self, target_id):
- if target_id in self.assignment:
- worker_id = self.assignment[target_id]
- else:
- worker_id = self._create_worker(target_id, load=False)
+ with self.write_lock:
+ if target_id in self.vims_assigned:
+ worker_id = self.vims_assigned[target_id]
+ else:
+ worker_id = self._create_worker()
worker = self.workers[worker_id]
worker.insert_task(("check_vim", target_id))
- def _get_cloud_init(self, where):
- """
-
- :param where: can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex'
- :return:
+ def unload_unused_vims(self):
+ with self.write_lock:
+ vims_to_unload = []
+
+ for target_id in self.vims_assigned:
+ if not self.db.get_one(
+ "ro_tasks",
+ q_filter={
+ "target_id": target_id,
+ "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
+ },
+ fail_on_empty=False,
+ ):
+ vims_to_unload.append(target_id)
+
+ for target_id in vims_to_unload:
+ self._unload_vim(target_id)
+
+ @staticmethod
+ def _get_cloud_init(
+ db: Type[DbBase],
+ fs: Type[FsBase],
+ location: str,
+ ) -> str:
+ """This method reads cloud init from a file.
+
+ Note: Not used as cloud init content is provided in the http body.
+
+ Args:
+ db (Type[DbBase]): [description]
+ fs (Type[FsBase]): [description]
+ location (str): can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex'
+
+ Raises:
+ NsException: [description]
+ NsException: [description]
+
+ Returns:
+ str: [description]
"""
- vnfd_id, _, other = where.partition(":")
+ vnfd_id, _, other = location.partition(":")
_type, _, name = other.partition(":")
- vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
+ vnfd = db.get_one("vnfds", {"_id": vnfd_id})
+
if _type == "file":
base_folder = vnfd["_admin"]["storage"]
- cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"], name)
- if not self.fs:
- raise NsException("Cannot read file '{}'. Filesystem not loaded, change configuration at storage.driver"
- .format(cloud_init_file))
- with self.fs.file_open(cloud_init_file, "r") as ci_file:
+ cloud_init_file = "{}/{}/cloud_init/{}".format(
+ base_folder["folder"], base_folder["pkg-dir"], name
+ )
+
+ if not fs:
+ raise NsException(
+ "Cannot read file '{}'. Filesystem not loaded, change configuration at storage.driver".format(
+ cloud_init_file
+ )
+ )
+
+ with fs.file_open(cloud_init_file, "r") as ci_file:
cloud_init_content = ci_file.read()
elif _type == "vdu":
cloud_init_content = vnfd["vdu"][int(name)]["cloud-init"]
else:
- raise NsException("Mismatch descriptor for cloud init: {}".format(where))
- return cloud_init_content
+ raise NsException("Mismatch descriptor for cloud init: {}".format(location))
- def _parse_jinja2(self, cloud_init_content, params, context):
+ return cloud_init_content
+ @staticmethod
+ def _parse_jinja2(
+ cloud_init_content: str,
+ params: Dict[str, Any],
+ context: str,
+ ) -> str:
+ """Function that processes the cloud init to replace Jinja2 encoded parameters.
+
+ Args:
+ cloud_init_content (str): [description]
+ params (Dict[str, Any]): [description]
+ context (str): [description]
+
+ Raises:
+ NsException: [description]
+ NsException: [description]
+
+ Returns:
+ str: [description]
+ """
try:
env = Environment(undefined=StrictUndefined)
template = env.from_string(cloud_init_content)
+
return template.render(params or {})
except UndefinedError as e:
raise NsException(
"Variable '{}' defined at vnfd='{}' must be provided in the instantiation parameters"
- "inside the 'additionalParamsForVnf' block".format(e, context))
+ "inside the 'additionalParamsForVnf' block".format(e, context)
+ )
except (TemplateError, TemplateNotFound) as e:
- raise NsException("Error parsing Jinja2 to cloud-init content at vnfd='{}': {}".format(context, e))
+ raise NsException(
+ "Error parsing Jinja2 to cloud-init content at vnfd='{}': {}".format(
+ context, e
+ )
+ )
def _create_db_ro_nsrs(self, nsr_id, now):
try:
key = rsa.generate_private_key(
- backend=crypto_default_backend(),
- public_exponent=65537,
- key_size=2048
+ backend=crypto_default_backend(), public_exponent=65537, key_size=2048
)
private_key = key.private_bytes(
crypto_serialization.Encoding.PEM,
crypto_serialization.PrivateFormat.PKCS8,
- crypto_serialization.NoEncryption())
+ crypto_serialization.NoEncryption(),
+ )
public_key = key.public_key().public_bytes(
crypto_serialization.Encoding.OpenSSH,
- crypto_serialization.PublicFormat.OpenSSH
+ crypto_serialization.PublicFormat.OpenSSH,
)
- private_key = private_key.decode('utf8')
+ private_key = private_key.decode("utf8")
# Change first line because Paramiko needs a explicit start with 'BEGIN RSA PRIVATE KEY'
i = private_key.find("\n")
private_key = "-----BEGIN RSA PRIVATE KEY-----" + private_key[i:]
- public_key = public_key.decode('utf8')
+ public_key = public_key.decode("utf8")
except Exception as e:
raise NsException("Cannot create ssh-keys: {}".format(e))
schema_version = "1.1"
- private_key_encrypted = self.db.encrypt(private_key, schema_version=schema_version, salt=nsr_id)
+ private_key_encrypted = self.db.encrypt(
+ private_key, schema_version=schema_version, salt=nsr_id
+ )
db_content = {
"_id": nsr_id,
"_admin": {
"created": now,
"modified": now,
- "schema_version": schema_version
+ "schema_version": schema_version,
},
"public_key": public_key,
"private_key": private_key_encrypted,
"actions": [],
}
self.db.create("ro_nsrs", db_content)
+
return db_content
+ @staticmethod
+ def _create_task(
+ deployment_info: Dict[str, Any],
+ target_id: str,
+ item: str,
+ action: str,
+ target_record: str,
+ target_record_id: str,
+ extra_dict: Dict[str, Any] = None,
+ ) -> Dict[str, Any]:
+ """Function to create task dict from deployment information.
+
+ Args:
+ deployment_info (Dict[str, Any]): [description]
+ target_id (str): [description]
+ item (str): [description]
+ action (str): [description]
+ target_record (str): [description]
+ target_record_id (str): [description]
+ extra_dict (Dict[str, Any], optional): [description]. Defaults to None.
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ task = {
+ "target_id": target_id, # it will be removed before pushing at database
+ "action_id": deployment_info.get("action_id"),
+ "nsr_id": deployment_info.get("nsr_id"),
+ "task_id": f"{deployment_info.get('action_id')}:{deployment_info.get('task_index')}",
+ "status": "SCHEDULED",
+ "action": action,
+ "item": item,
+ "target_record": target_record,
+ "target_record_id": target_record_id,
+ }
+
+ if extra_dict:
+ task.update(extra_dict) # params, find_params, depends_on
+
+ deployment_info["task_index"] = deployment_info.get("task_index", 0) + 1
+
+ return task
+
+ @staticmethod
+ def _create_ro_task(
+ target_id: str,
+ task: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Function to create an RO task from task information.
+
+ Args:
+ target_id (str): [description]
+ task (Dict[str, Any]): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ now = time()
+
+ _id = task.get("task_id")
+ db_ro_task = {
+ "_id": _id,
+ "locked_by": None,
+ "locked_at": 0.0,
+ "target_id": target_id,
+ "vim_info": {
+ "created": False,
+ "created_items": None,
+ "vim_id": None,
+ "vim_name": None,
+ "vim_status": None,
+ "vim_details": None,
+ "vim_message": None,
+ "refresh_at": None,
+ },
+ "modified_at": now,
+ "created_at": now,
+ "to_check_at": now,
+ "tasks": [task],
+ }
+
+ return db_ro_task
+
+ @staticmethod
+ def _process_image_params(
+ target_image: Dict[str, Any],
+ indata: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Function to process VDU image parameters.
+
+ Args:
+ target_image (Dict[str, Any]): [description]
+ indata (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ find_params = {}
+
+ if target_image.get("image"):
+ find_params["filter_dict"] = {"name": target_image.get("image")}
+
+ if target_image.get("vim_image_id"):
+ find_params["filter_dict"] = {"id": target_image.get("vim_image_id")}
+
+ if target_image.get("image_checksum"):
+ find_params["filter_dict"] = {
+ "checksum": target_image.get("image_checksum")
+ }
+
+ return {"find_params": find_params}
+
+ @staticmethod
+ def _get_resource_allocation_params(
+ quota_descriptor: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Read the quota_descriptor from vnfd and fetch the resource allocation properties from the
+ descriptor object.
+
+ Args:
+ quota_descriptor (Dict[str, Any]): cpu/mem/vif/disk-io quota descriptor
+
+ Returns:
+ Dict[str, Any]: quota params for limit, reserve, shares from the descriptor object
+ """
+ quota = {}
+
+ if quota_descriptor.get("limit"):
+ quota["limit"] = int(quota_descriptor["limit"])
+
+ if quota_descriptor.get("reserve"):
+ quota["reserve"] = int(quota_descriptor["reserve"])
+
+ if quota_descriptor.get("shares"):
+ quota["shares"] = int(quota_descriptor["shares"])
+
+ return quota
+
+ @staticmethod
+ def _process_guest_epa_quota_params(
+ guest_epa_quota: Dict[str, Any],
+ epa_vcpu_set: bool,
+ ) -> Dict[str, Any]:
+ """Function to extract the guest epa quota parameters.
+
+ Args:
+ guest_epa_quota (Dict[str, Any]): [description]
+ epa_vcpu_set (bool): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ result = {}
+
+ if guest_epa_quota.get("cpu-quota") and not epa_vcpu_set:
+ cpuquota = Ns._get_resource_allocation_params(
+ guest_epa_quota.get("cpu-quota")
+ )
+
+ if cpuquota:
+ result["cpu-quota"] = cpuquota
+
+ if guest_epa_quota.get("mem-quota"):
+ vduquota = Ns._get_resource_allocation_params(
+ guest_epa_quota.get("mem-quota")
+ )
+
+ if vduquota:
+ result["mem-quota"] = vduquota
+
+ if guest_epa_quota.get("disk-io-quota"):
+ diskioquota = Ns._get_resource_allocation_params(
+ guest_epa_quota.get("disk-io-quota")
+ )
+
+ if diskioquota:
+ result["disk-io-quota"] = diskioquota
+
+ if guest_epa_quota.get("vif-quota"):
+ vifquota = Ns._get_resource_allocation_params(
+ guest_epa_quota.get("vif-quota")
+ )
+
+ if vifquota:
+ result["vif-quota"] = vifquota
+
+ return result
+
+ @staticmethod
+ def _process_guest_epa_numa_params(
+ guest_epa_quota: Dict[str, Any],
+ ) -> Tuple[Dict[str, Any], bool]:
+ """[summary]
+
+ Args:
+ guest_epa_quota (Dict[str, Any]): [description]
+
+ Returns:
+ Tuple[Dict[str, Any], bool]: [description]
+ """
+ numa = {}
+ epa_vcpu_set = False
+
+ if guest_epa_quota.get("numa-node-policy"):
+ numa_node_policy = guest_epa_quota.get("numa-node-policy")
+
+ if numa_node_policy.get("node"):
+ numa_node = numa_node_policy["node"][0]
+
+ if numa_node.get("num-cores"):
+ numa["cores"] = numa_node["num-cores"]
+ epa_vcpu_set = True
+
+ paired_threads = numa_node.get("paired-threads", {})
+ if paired_threads.get("num-paired-threads"):
+ numa["paired-threads"] = int(
+ numa_node["paired-threads"]["num-paired-threads"]
+ )
+ epa_vcpu_set = True
+
+ if paired_threads.get("paired-thread-ids"):
+ numa["paired-threads-id"] = []
+
+ for pair in paired_threads["paired-thread-ids"]:
+ numa["paired-threads-id"].append(
+ (
+ str(pair["thread-a"]),
+ str(pair["thread-b"]),
+ )
+ )
+
+ if numa_node.get("num-threads"):
+ numa["threads"] = int(numa_node["num-threads"])
+ epa_vcpu_set = True
+
+ if numa_node.get("memory-mb"):
+ numa["memory"] = max(int(int(numa_node["memory-mb"]) / 1024), 1)
+
+ return numa, epa_vcpu_set
+
+ @staticmethod
+ def _process_guest_epa_cpu_pinning_params(
+ guest_epa_quota: Dict[str, Any],
+ vcpu_count: int,
+ epa_vcpu_set: bool,
+ ) -> Tuple[Dict[str, Any], bool]:
+ """[summary]
+
+ Args:
+ guest_epa_quota (Dict[str, Any]): [description]
+ vcpu_count (int): [description]
+ epa_vcpu_set (bool): [description]
+
+ Returns:
+ Tuple[Dict[str, Any], bool]: [description]
+ """
+ numa = {}
+ local_epa_vcpu_set = epa_vcpu_set
+
+ if (
+ guest_epa_quota.get("cpu-pinning-policy") == "DEDICATED"
+ and not epa_vcpu_set
+ ):
+ numa[
+ "cores"
+ if guest_epa_quota.get("cpu-thread-pinning-policy") != "PREFER"
+ else "threads"
+ ] = max(vcpu_count, 1)
+ local_epa_vcpu_set = True
+
+ return numa, local_epa_vcpu_set
+
+ @staticmethod
+ def _process_epa_params(
+ target_flavor: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """[summary]
+
+ Args:
+ target_flavor (Dict[str, Any]): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ extended = {}
+ numa = {}
+
+ if target_flavor.get("guest-epa"):
+ guest_epa = target_flavor["guest-epa"]
+
+ numa, epa_vcpu_set = Ns._process_guest_epa_numa_params(
+ guest_epa_quota=guest_epa
+ )
+
+ if guest_epa.get("mempage-size"):
+ extended["mempage-size"] = guest_epa.get("mempage-size")
+
+ tmp_numa, epa_vcpu_set = Ns._process_guest_epa_cpu_pinning_params(
+ guest_epa_quota=guest_epa,
+ vcpu_count=int(target_flavor.get("vcpu-count", 1)),
+ epa_vcpu_set=epa_vcpu_set,
+ )
+ numa.update(tmp_numa)
+
+ extended.update(
+ Ns._process_guest_epa_quota_params(
+ guest_epa_quota=guest_epa,
+ epa_vcpu_set=epa_vcpu_set,
+ )
+ )
+
+ if numa:
+ extended["numas"] = [numa]
+
+ return extended
+
+ @staticmethod
+ def _process_flavor_params(
+ target_flavor: Dict[str, Any],
+ indata: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """[summary]
+
+ Args:
+ target_flavor (Dict[str, Any]): [description]
+ indata (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ db = kwargs.get("db")
+ target_vdur = {}
+
+ flavor_data = {
+ "disk": int(target_flavor["storage-gb"]),
+ "ram": int(target_flavor["memory-mb"]),
+ "vcpus": int(target_flavor["vcpu-count"]),
+ }
+
+ for vnf in indata.get("vnf", []):
+ for vdur in vnf.get("vdur", []):
+ if vdur.get("ns-flavor-id") == target_flavor.get("id"):
+ target_vdur = vdur
+
+ if db and isinstance(indata.get("vnf"), list):
+ vnfd_id = indata.get("vnf")[0].get("vnfd-id")
+ vnfd = db.get_one("vnfds", {"_id": vnfd_id})
+ # check if there is persistent root disk
+ for vdu in vnfd.get("vdu", ()):
+ if vdu["name"] == target_vdur.get("vdu-name"):
+ for vsd in vnfd.get("virtual-storage-desc", ()):
+ if vsd.get("id") == vdu.get("virtual-storage-desc", [[]])[0]:
+ root_disk = vsd
+ if (
+ root_disk.get("type-of-storage")
+ == "persistent-storage:persistent-storage"
+ ):
+ flavor_data["disk"] = 0
+
+ for storage in target_vdur.get("virtual-storages", []):
+ if (
+ storage.get("type-of-storage")
+ == "etsi-nfv-descriptors:ephemeral-storage"
+ ):
+ flavor_data["ephemeral"] = int(storage.get("size-of-storage", 0))
+ elif storage.get("type-of-storage") == "etsi-nfv-descriptors:swap-storage":
+ flavor_data["swap"] = int(storage.get("size-of-storage", 0))
+
+ extended = Ns._process_epa_params(target_flavor)
+ if extended:
+ flavor_data["extended"] = extended
+
+ extra_dict = {"find_params": {"flavor_data": flavor_data}}
+ flavor_data_name = flavor_data.copy()
+ flavor_data_name["name"] = target_flavor["name"]
+ extra_dict["params"] = {"flavor_data": flavor_data_name}
+
+ return extra_dict
+
+ @staticmethod
+ def _ip_profile_to_ro(
+ ip_profile: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """[summary]
+
+ Args:
+ ip_profile (Dict[str, Any]): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ if not ip_profile:
+ return None
+
+ ro_ip_profile = {
+ "ip_version": "IPv4"
+ if "v4" in ip_profile.get("ip-version", "ipv4")
+ else "IPv6",
+ "subnet_address": ip_profile.get("subnet-address"),
+ "gateway_address": ip_profile.get("gateway-address"),
+ "dhcp_enabled": ip_profile.get("dhcp-params", {}).get("enabled", False),
+ "dhcp_start_address": ip_profile.get("dhcp-params", {}).get(
+ "start-address", None
+ ),
+ "dhcp_count": ip_profile.get("dhcp-params", {}).get("count", None),
+ }
+
+ if ip_profile.get("dns-server"):
+ ro_ip_profile["dns_address"] = ";".join(
+ [v["address"] for v in ip_profile["dns-server"] if v.get("address")]
+ )
+
+ if ip_profile.get("security-group"):
+ ro_ip_profile["security_group"] = ip_profile["security-group"]
+
+ return ro_ip_profile
+
+ @staticmethod
+ def _process_net_params(
+ target_vld: Dict[str, Any],
+ indata: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Function to process network parameters.
+
+ Args:
+ target_vld (Dict[str, Any]): [description]
+ indata (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ extra_dict = {}
+
+ if vim_info.get("sdn"):
+ # vnf_preffix = "vnfrs:{}".format(vnfr_id)
+ # ns_preffix = "nsrs:{}".format(nsr_id)
+ # remove the ending ".sdn
+ vld_target_record_id, _, _ = target_record_id.rpartition(".")
+ extra_dict["params"] = {
+ k: vim_info[k]
+ for k in ("sdn-ports", "target_vim", "vlds", "type")
+ if vim_info.get(k)
+ }
+
+ # TODO needed to add target_id in the dependency.
+ if vim_info.get("target_vim"):
+ extra_dict["depends_on"] = [
+ f"{vim_info.get('target_vim')} {vld_target_record_id}"
+ ]
+
+ return extra_dict
+
+ if vim_info.get("vim_network_name"):
+ extra_dict["find_params"] = {
+ "filter_dict": {
+ "name": vim_info.get("vim_network_name"),
+ },
+ }
+ elif vim_info.get("vim_network_id"):
+ extra_dict["find_params"] = {
+ "filter_dict": {
+ "id": vim_info.get("vim_network_id"),
+ },
+ }
+ elif target_vld.get("mgmt-network"):
+ extra_dict["find_params"] = {
+ "mgmt": True,
+ "name": target_vld["id"],
+ }
+ else:
+ # create
+ extra_dict["params"] = {
+ "net_name": (
+ f"{indata.get('name')[:16]}-{target_vld.get('name', target_vld.get('id'))[:16]}"
+ ),
+ "ip_profile": Ns._ip_profile_to_ro(vim_info.get("ip_profile")),
+ "provider_network_profile": vim_info.get("provider_network"),
+ }
+
+ if not target_vld.get("underlay"):
+ extra_dict["params"]["net_type"] = "bridge"
+ else:
+ extra_dict["params"]["net_type"] = (
+ "ptp" if target_vld.get("type") == "ELINE" else "data"
+ )
+
+ return extra_dict
+
+ @staticmethod
+ def find_persistent_root_volumes(
+ vnfd: dict,
+ target_vdu: str,
+ vdu_instantiation_volumes_list: list,
+ disk_list: list,
+ ) -> (list, dict):
+ """Find the persistent root volumes and add them to the disk_list
+ by parsing the instantiation parameters
+
+ Args:
+ vnfd: VNFD
+ target_vdu: processed VDU
+ vdu_instantiation_volumes_list: instantiation parameters for the each VDU as a list
+ disk_list: to be filled up
+
+ Returns:
+ disk_list: filled VDU list which is used for VDU creation
+
+ """
+ persistent_root_disk = {}
+
+ for vdu, vsd in product(
+ vnfd.get("vdu", ()), vnfd.get("virtual-storage-desc", ())
+ ):
+ if (
+ vdu["name"] == target_vdu["vdu-name"]
+ and vsd.get("id") == vdu.get("virtual-storage-desc", [[]])[0]
+ ):
+ root_disk = vsd
+ if (
+ root_disk.get("type-of-storage")
+ == "persistent-storage:persistent-storage"
+ ):
+ for vdu_volume in vdu_instantiation_volumes_list:
+
+ if (
+ vdu_volume["vim-volume-id"]
+ and root_disk["id"] == vdu_volume["name"]
+ ):
+
+ persistent_root_disk[vsd["id"]] = {
+ "vim_volume_id": vdu_volume["vim-volume-id"],
+ "image_id": vdu.get("sw-image-desc"),
+ }
+
+ disk_list.append(persistent_root_disk[vsd["id"]])
+
+ # There can be only one root disk, when we find it, it will return the result
+ return disk_list, persistent_root_disk
+
+ else:
+
+ if root_disk.get("size-of-storage"):
+ persistent_root_disk[vsd["id"]] = {
+ "image_id": vdu.get("sw-image-desc"),
+ "size": root_disk.get("size-of-storage"),
+ }
+
+ disk_list.append(persistent_root_disk[vsd["id"]])
+ return disk_list, persistent_root_disk
+
+ return disk_list, persistent_root_disk
+
+ @staticmethod
+ def find_persistent_volumes(
+ persistent_root_disk: dict,
+ target_vdu: str,
+ vdu_instantiation_volumes_list: list,
+ disk_list: list,
+ ) -> list:
+ """Find the ordinary persistent volumes and add them to the disk_list
+ by parsing the instantiation parameters
+
+ Args:
+ persistent_root_disk: persistent root disk dictionary
+ target_vdu: processed VDU
+ vdu_instantiation_volumes_list: instantiation parameters for the each VDU as a list
+ disk_list: to be filled up
+
+ Returns:
+ disk_list: filled VDU list which is used for VDU creation
+
+ """
+ # Find the ordinary volumes which are not added to the persistent_root_disk
+ persistent_disk = {}
+ for disk in target_vdu.get("virtual-storages", {}):
+ if (
+ disk.get("type-of-storage") == "persistent-storage:persistent-storage"
+ and disk["id"] not in persistent_root_disk.keys()
+ ):
+ for vdu_volume in vdu_instantiation_volumes_list:
+
+ if vdu_volume["vim-volume-id"] and disk["id"] == vdu_volume["name"]:
+
+ persistent_disk[disk["id"]] = {
+ "vim_volume_id": vdu_volume["vim-volume-id"],
+ }
+ disk_list.append(persistent_disk[disk["id"]])
+
+ else:
+ if disk["id"] not in persistent_disk.keys():
+ persistent_disk[disk["id"]] = {
+ "size": disk.get("size-of-storage"),
+ }
+ disk_list.append(persistent_disk[disk["id"]])
+
+ return disk_list
+
+ @staticmethod
+ def _process_vdu_params(
+ target_vdu: Dict[str, Any],
+ indata: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Function to process VDU parameters.
+
+ Args:
+ target_vdu (Dict[str, Any]): [description]
+ indata (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ vnfr_id = kwargs.get("vnfr_id")
+ nsr_id = kwargs.get("nsr_id")
+ vnfr = kwargs.get("vnfr")
+ vdu2cloud_init = kwargs.get("vdu2cloud_init")
+ tasks_by_target_record_id = kwargs.get("tasks_by_target_record_id")
+ logger = kwargs.get("logger")
+ db = kwargs.get("db")
+ fs = kwargs.get("fs")
+ ro_nsr_public_key = kwargs.get("ro_nsr_public_key")
+
+ vnf_preffix = "vnfrs:{}".format(vnfr_id)
+ ns_preffix = "nsrs:{}".format(nsr_id)
+ image_text = ns_preffix + ":image." + target_vdu["ns-image-id"]
+ flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"]
+ extra_dict = {"depends_on": [image_text, flavor_text]}
+ net_list = []
+
+ # If the position info is provided for all the interfaces, it will be sorted
+ # according to position number ascendingly.
+ if all(
+ i.get("position") + 1
+ for i in target_vdu["interfaces"]
+ if i.get("position") is not None
+ ):
+ sorted_interfaces = sorted(
+ target_vdu["interfaces"],
+ key=lambda x: (x.get("position") is None, x.get("position")),
+ )
+ target_vdu["interfaces"] = sorted_interfaces
+
+ # If the position info is provided for some interfaces but not all of them, the interfaces
+ # which has specific position numbers will be placed and others' positions will not be taken care.
+ else:
+ if any(
+ i.get("position") + 1
+ for i in target_vdu["interfaces"]
+ if i.get("position") is not None
+ ):
+ n = len(target_vdu["interfaces"])
+ sorted_interfaces = [-1] * n
+ k, m = 0, 0
+ while k < n:
+ if target_vdu["interfaces"][k].get("position"):
+ idx = target_vdu["interfaces"][k]["position"]
+ sorted_interfaces[idx - 1] = target_vdu["interfaces"][k]
+ k += 1
+ while m < n:
+ if not target_vdu["interfaces"][m].get("position"):
+ idy = sorted_interfaces.index(-1)
+ sorted_interfaces[idy] = target_vdu["interfaces"][m]
+ m += 1
+
+ target_vdu["interfaces"] = sorted_interfaces
+
+ # If the position info is not provided for the interfaces, interfaces will be attached
+ # according to the order in the VNFD.
+ for iface_index, interface in enumerate(target_vdu["interfaces"]):
+ if interface.get("ns-vld-id"):
+ net_text = ns_preffix + ":vld." + interface["ns-vld-id"]
+ elif interface.get("vnf-vld-id"):
+ net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"]
+ else:
+ logger.error(
+ "Interface {} from vdu {} not connected to any vld".format(
+ iface_index, target_vdu["vdu-name"]
+ )
+ )
+
+ continue # interface not connected to any vld
+
+ extra_dict["depends_on"].append(net_text)
+
+ if "port-security-enabled" in interface:
+ interface["port_security"] = interface.pop("port-security-enabled")
+
+ if "port-security-disable-strategy" in interface:
+ interface["port_security_disable_strategy"] = interface.pop(
+ "port-security-disable-strategy"
+ )
+
+ net_item = {
+ x: v
+ for x, v in interface.items()
+ if x
+ in (
+ "name",
+ "vpci",
+ "port_security",
+ "port_security_disable_strategy",
+ "floating_ip",
+ )
+ }
+ net_item["net_id"] = "TASK-" + net_text
+ net_item["type"] = "virtual"
+
+ # TODO mac_address: used for SR-IOV ifaces #TODO for other types
+ # TODO floating_ip: True/False (or it can be None)
+ if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
+ # mark the net create task as type data
+ if deep_get(
+ tasks_by_target_record_id,
+ net_text,
+ "extra_dict",
+ "params",
+ "net_type",
+ ):
+ tasks_by_target_record_id[net_text]["extra_dict"]["params"][
+ "net_type"
+ ] = "data"
+
+ net_item["use"] = "data"
+ net_item["model"] = interface["type"]
+ net_item["type"] = interface["type"]
+ elif (
+ interface.get("type") == "OM-MGMT"
+ or interface.get("mgmt-interface")
+ or interface.get("mgmt-vnf")
+ ):
+ net_item["use"] = "mgmt"
+ else:
+ # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
+ net_item["use"] = "bridge"
+ net_item["model"] = interface.get("type")
+
+ if interface.get("ip-address"):
+ net_item["ip_address"] = interface["ip-address"]
+
+ if interface.get("mac-address"):
+ net_item["mac_address"] = interface["mac-address"]
+
+ net_list.append(net_item)
+
+ if interface.get("mgmt-vnf"):
+ extra_dict["mgmt_vnf_interface"] = iface_index
+ elif interface.get("mgmt-interface"):
+ extra_dict["mgmt_vdu_interface"] = iface_index
+
+ # cloud config
+ cloud_config = {}
+
+ if target_vdu.get("cloud-init"):
+ if target_vdu["cloud-init"] not in vdu2cloud_init:
+ vdu2cloud_init[target_vdu["cloud-init"]] = Ns._get_cloud_init(
+ db=db,
+ fs=fs,
+ location=target_vdu["cloud-init"],
+ )
+
+ cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]]
+ cloud_config["user-data"] = Ns._parse_jinja2(
+ cloud_init_content=cloud_content_,
+ params=target_vdu.get("additionalParams"),
+ context=target_vdu["cloud-init"],
+ )
+
+ if target_vdu.get("boot-data-drive"):
+ cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive")
+
+ ssh_keys = []
+
+ if target_vdu.get("ssh-keys"):
+ ssh_keys += target_vdu.get("ssh-keys")
+
+ if target_vdu.get("ssh-access-required"):
+ ssh_keys.append(ro_nsr_public_key)
+
+ if ssh_keys:
+ cloud_config["key-pairs"] = ssh_keys
+
+ persistent_root_disk = {}
+ vdu_instantiation_volumes_list = []
+ disk_list = []
+ vnfd_id = vnfr["vnfd-id"]
+ vnfd = db.get_one("vnfds", {"_id": vnfd_id})
+
+ if target_vdu.get("additionalParams"):
+ vdu_instantiation_volumes_list = (
+ target_vdu.get("additionalParams").get("OSM").get("vdu_volumes")
+ )
+
+ if vdu_instantiation_volumes_list:
+
+ # Find the root volumes and add to the disk_list
+ (disk_list, persistent_root_disk,) = Ns.find_persistent_root_volumes(
+ vnfd, target_vdu, vdu_instantiation_volumes_list, disk_list
+ )
+
+ # Find the ordinary volumes which are not added to the persistent_root_disk
+ # and put them to the disk list
+ disk_list = Ns.find_persistent_volumes(
+ persistent_root_disk,
+ target_vdu,
+ vdu_instantiation_volumes_list,
+ disk_list,
+ )
+
+ else:
+
+ # vdu_instantiation_volumes_list is empty
+ for vdu in vnfd.get("vdu", ()):
+ if vdu["name"] == target_vdu["vdu-name"]:
+ for vsd in vnfd.get("virtual-storage-desc", ()):
+ if vsd.get("id") == vdu.get("virtual-storage-desc", [[]])[0]:
+ root_disk = vsd
+ if root_disk.get(
+ "type-of-storage"
+ ) == "persistent-storage:persistent-storage" and root_disk.get(
+ "size-of-storage"
+ ):
+ persistent_root_disk[vsd["id"]] = {
+ "image_id": vdu.get("sw-image-desc"),
+ "size": root_disk["size-of-storage"],
+ }
+ disk_list.append(persistent_root_disk[vsd["id"]])
+
+ if target_vdu.get("virtual-storages"):
+ for disk in target_vdu["virtual-storages"]:
+ if (
+ disk.get("type-of-storage")
+ == "persistent-storage:persistent-storage"
+ and disk["id"] not in persistent_root_disk.keys()
+ ):
+ disk_list.append({"size": disk["size-of-storage"]})
+
+ affinity_group_list = []
+
+ if target_vdu.get("affinity-or-anti-affinity-group-id"):
+ affinity_group = {}
+ for affinity_group_id in target_vdu["affinity-or-anti-affinity-group-id"]:
+ affinity_group_text = (
+ ns_preffix + ":affinity-or-anti-affinity-group." + affinity_group_id
+ )
+
+ extra_dict["depends_on"].append(affinity_group_text)
+ affinity_group["affinity_group_id"] = "TASK-" + affinity_group_text
+ affinity_group_list.append(affinity_group)
+
+ extra_dict["params"] = {
+ "name": "{}-{}-{}-{}".format(
+ indata["name"][:16],
+ vnfr["member-vnf-index-ref"][:16],
+ target_vdu["vdu-name"][:32],
+ target_vdu.get("count-index") or 0,
+ ),
+ "description": target_vdu["vdu-name"],
+ "start": True,
+ "image_id": "TASK-" + image_text,
+ "flavor_id": "TASK-" + flavor_text,
+ "affinity_group_list": affinity_group_list,
+ "net_list": net_list,
+ "cloud_config": cloud_config or None,
+ "disk_list": disk_list,
+ "availability_zone_index": None, # TODO
+ "availability_zone_list": None, # TODO
+ }
+
+ return extra_dict
+
+ @staticmethod
+ def _process_affinity_group_params(
+ target_affinity_group: Dict[str, Any],
+ indata: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Get affinity or anti-affinity group parameters.
+
+ Args:
+ target_affinity_group (Dict[str, Any]): [description]
+ indata (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+
+ extra_dict = {}
+ affinity_group_data = {
+ "name": target_affinity_group["name"],
+ "type": target_affinity_group["type"],
+ "scope": target_affinity_group["scope"],
+ }
+
+ if target_affinity_group.get("vim-affinity-group-id"):
+ affinity_group_data["vim-affinity-group-id"] = target_affinity_group[
+ "vim-affinity-group-id"
+ ]
+
+ extra_dict["params"] = {
+ "affinity_group_data": affinity_group_data,
+ }
+
+ return extra_dict
+
+ @staticmethod
+ def _process_recreate_vdu_params(
+ existing_vdu: Dict[str, Any],
+ db_nsr: Dict[str, Any],
+ vim_info: Dict[str, Any],
+ target_record_id: str,
+ target_id: str,
+ **kwargs: Dict[str, Any],
+ ) -> Dict[str, Any]:
+ """Function to process VDU parameters to recreate.
+
+ Args:
+ existing_vdu (Dict[str, Any]): [description]
+ db_nsr (Dict[str, Any]): [description]
+ vim_info (Dict[str, Any]): [description]
+ target_record_id (str): [description]
+ target_id (str): [description]
+
+ Returns:
+ Dict[str, Any]: [description]
+ """
+ vnfr = kwargs.get("vnfr")
+ vdu2cloud_init = kwargs.get("vdu2cloud_init")
+ # logger = kwargs.get("logger")
+ db = kwargs.get("db")
+ fs = kwargs.get("fs")
+ ro_nsr_public_key = kwargs.get("ro_nsr_public_key")
+
+ extra_dict = {}
+ net_list = []
+
+ vim_details = {}
+ vim_details_text = existing_vdu["vim_info"][target_id].get("vim_details", None)
+ if vim_details_text:
+ vim_details = yaml.safe_load(f"{vim_details_text}")
+
+ for iface_index, interface in enumerate(existing_vdu["interfaces"]):
+
+ if "port-security-enabled" in interface:
+ interface["port_security"] = interface.pop("port-security-enabled")
+
+ if "port-security-disable-strategy" in interface:
+ interface["port_security_disable_strategy"] = interface.pop(
+ "port-security-disable-strategy"
+ )
+
+ net_item = {
+ x: v
+ for x, v in interface.items()
+ if x
+ in (
+ "name",
+ "vpci",
+ "port_security",
+ "port_security_disable_strategy",
+ "floating_ip",
+ )
+ }
+ existing_ifaces = existing_vdu["vim_info"][target_id].get(
+ "interfaces_backup", []
+ )
+ net_id = next(
+ (
+ i["vim_net_id"]
+ for i in existing_ifaces
+ if i["ip_address"] == interface["ip-address"]
+ ),
+ None,
+ )
+
+ net_item["net_id"] = net_id
+ net_item["type"] = "virtual"
+
+ # TODO mac_address: used for SR-IOV ifaces #TODO for other types
+ # TODO floating_ip: True/False (or it can be None)
+ if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
+ net_item["use"] = "data"
+ net_item["model"] = interface["type"]
+ net_item["type"] = interface["type"]
+ elif (
+ interface.get("type") == "OM-MGMT"
+ or interface.get("mgmt-interface")
+ or interface.get("mgmt-vnf")
+ ):
+ net_item["use"] = "mgmt"
+ else:
+ # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
+ net_item["use"] = "bridge"
+ net_item["model"] = interface.get("type")
+
+ if interface.get("ip-address"):
+ net_item["ip_address"] = interface["ip-address"]
+
+ if interface.get("mac-address"):
+ net_item["mac_address"] = interface["mac-address"]
+
+ net_list.append(net_item)
+
+ if interface.get("mgmt-vnf"):
+ extra_dict["mgmt_vnf_interface"] = iface_index
+ elif interface.get("mgmt-interface"):
+ extra_dict["mgmt_vdu_interface"] = iface_index
+
+ # cloud config
+ cloud_config = {}
+
+ if existing_vdu.get("cloud-init"):
+ if existing_vdu["cloud-init"] not in vdu2cloud_init:
+ vdu2cloud_init[existing_vdu["cloud-init"]] = Ns._get_cloud_init(
+ db=db,
+ fs=fs,
+ location=existing_vdu["cloud-init"],
+ )
+
+ cloud_content_ = vdu2cloud_init[existing_vdu["cloud-init"]]
+ cloud_config["user-data"] = Ns._parse_jinja2(
+ cloud_init_content=cloud_content_,
+ params=existing_vdu.get("additionalParams"),
+ context=existing_vdu["cloud-init"],
+ )
+
+ if existing_vdu.get("boot-data-drive"):
+ cloud_config["boot-data-drive"] = existing_vdu.get("boot-data-drive")
+
+ ssh_keys = []
+
+ if existing_vdu.get("ssh-keys"):
+ ssh_keys += existing_vdu.get("ssh-keys")
+
+ if existing_vdu.get("ssh-access-required"):
+ ssh_keys.append(ro_nsr_public_key)
+
+ if ssh_keys:
+ cloud_config["key-pairs"] = ssh_keys
+
+ disk_list = []
+ for vol_id in vim_details.get("os-extended-volumes:volumes_attached", []):
+ disk_list.append({"vim_id": vol_id["id"]})
+
+ affinity_group_list = []
+
+ if existing_vdu.get("affinity-or-anti-affinity-group-id"):
+ affinity_group = {}
+ for affinity_group_id in existing_vdu["affinity-or-anti-affinity-group-id"]:
+ for group in db_nsr.get("affinity-or-anti-affinity-group"):
+ if (
+ group["id"] == affinity_group_id
+ and group["vim_info"][target_id].get("vim_id", None) is not None
+ ):
+ affinity_group["affinity_group_id"] = group["vim_info"][
+ target_id
+ ].get("vim_id", None)
+ affinity_group_list.append(affinity_group)
+
+ extra_dict["params"] = {
+ "name": "{}-{}-{}-{}".format(
+ db_nsr["name"][:16],
+ vnfr["member-vnf-index-ref"][:16],
+ existing_vdu["vdu-name"][:32],
+ existing_vdu.get("count-index") or 0,
+ ),
+ "description": existing_vdu["vdu-name"],
+ "start": True,
+ "image_id": vim_details["image"]["id"],
+ "flavor_id": vim_details["flavor"]["id"],
+ "affinity_group_list": affinity_group_list,
+ "net_list": net_list,
+ "cloud_config": cloud_config or None,
+ "disk_list": disk_list,
+ "availability_zone_index": None, # TODO
+ "availability_zone_list": None, # TODO
+ }
+
+ return extra_dict
+
+ def calculate_diff_items(
+ self,
+ indata,
+ db_nsr,
+ db_ro_nsr,
+ db_nsr_update,
+ item,
+ tasks_by_target_record_id,
+ action_id,
+ nsr_id,
+ task_index,
+ vnfr_id=None,
+ vnfr=None,
+ ):
+ """Function that returns the incremental changes (creation, deletion)
+ related to a specific item `item` to be done. This function should be
+ called for NS instantiation, NS termination, NS update to add a new VNF
+ or a new VLD, remove a VNF or VLD, etc.
+ Item can be `net`, `flavor`, `image` or `vdu`.
+ It takes a list of target items from indata (which came from the REST API)
+ and compares with the existing items from db_ro_nsr, identifying the
+ incremental changes to be done. During the comparison, it calls the method
+ `process_params` (which was passed as parameter, and is particular for each
+ `item`)
+
+ Args:
+ indata (Dict[str, Any]): deployment info
+ db_nsr: NSR record from DB
+ db_ro_nsr (Dict[str, Any]): record from "ro_nsrs"
+ db_nsr_update (Dict[str, Any]): NSR info to update in DB
+ item (str): element to process (net, vdu...)
+ tasks_by_target_record_id (Dict[str, Any]):
+ [<target_record_id>, <task>]
+ action_id (str): action id
+ nsr_id (str): NSR id
+ task_index (number): task index to add to task name
+ vnfr_id (str): VNFR id
+ vnfr (Dict[str, Any]): VNFR info
+
+ Returns:
+ List: list with the incremental changes (deletes, creates) for each item
+ number: current task index
+ """
+
+ diff_items = []
+ db_path = ""
+ db_record = ""
+ target_list = []
+ existing_list = []
+ process_params = None
+ vdu2cloud_init = indata.get("cloud_init_content") or {}
+ ro_nsr_public_key = db_ro_nsr["public_key"]
+
+ # According to the type of item, the path, the target_list,
+ # the existing_list and the method to process params are set
+ db_path = self.db_path_map[item]
+ process_params = self.process_params_function_map[item]
+ if item in ("net", "vdu"):
+ # This case is specific for the NS VLD (not applied to VDU)
+ if vnfr is None:
+ db_record = "nsrs:{}:{}".format(nsr_id, db_path)
+ target_list = indata.get("ns", []).get(db_path, [])
+ existing_list = db_nsr.get(db_path, [])
+ # This case is common for VNF VLDs and VNF VDUs
+ else:
+ db_record = "vnfrs:{}:{}".format(vnfr_id, db_path)
+ target_vnf = next(
+ (vnf for vnf in indata.get("vnf", ()) if vnf["_id"] == vnfr_id),
+ None,
+ )
+ target_list = target_vnf.get(db_path, []) if target_vnf else []
+ existing_list = vnfr.get(db_path, [])
+ elif item in ("image", "flavor", "affinity-or-anti-affinity-group"):
+ db_record = "nsrs:{}:{}".format(nsr_id, db_path)
+ target_list = indata.get(item, [])
+ existing_list = db_nsr.get(item, [])
+ else:
+ raise NsException("Item not supported: {}", item)
+
+ # ensure all the target_list elements has an "id". If not assign the index as id
+ if target_list is None:
+ target_list = []
+ for target_index, tl in enumerate(target_list):
+ if tl and not tl.get("id"):
+ tl["id"] = str(target_index)
+
+ # step 1 items (networks,vdus,...) to be deleted/updated
+ for item_index, existing_item in enumerate(existing_list):
+ target_item = next(
+ (t for t in target_list if t["id"] == existing_item["id"]),
+ None,
+ )
+
+ for target_vim, existing_viminfo in existing_item.get(
+ "vim_info", {}
+ ).items():
+ if existing_viminfo is None:
+ continue
+
+ if target_item:
+ target_viminfo = target_item.get("vim_info", {}).get(target_vim)
+ else:
+ target_viminfo = None
+
+ if target_viminfo is None:
+ # must be deleted
+ self._assign_vim(target_vim)
+ target_record_id = "{}.{}".format(db_record, existing_item["id"])
+ item_ = item
+
+ if target_vim.startswith("sdn"):
+ # item must be sdn-net instead of net if target_vim is a sdn
+ item_ = "sdn_net"
+ target_record_id += ".sdn"
+
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ diff_items.append(
+ {
+ "deployment_info": deployment_info,
+ "target_id": target_vim,
+ "item": item_,
+ "action": "DELETE",
+ "target_record": f"{db_record}.{item_index}.vim_info.{target_vim}",
+ "target_record_id": target_record_id,
+ }
+ )
+ task_index += 1
+
+ # step 2 items (networks,vdus,...) to be created
+ for target_item in target_list:
+ item_index = -1
+
+ for item_index, existing_item in enumerate(existing_list):
+ if existing_item["id"] == target_item["id"]:
+ break
+ else:
+ item_index += 1
+ db_nsr_update[db_path + ".{}".format(item_index)] = target_item
+ existing_list.append(target_item)
+ existing_item = None
+
+ for target_vim, target_viminfo in target_item.get("vim_info", {}).items():
+ existing_viminfo = None
+
+ if existing_item:
+ existing_viminfo = existing_item.get("vim_info", {}).get(target_vim)
+
+ if existing_viminfo is not None:
+ continue
+
+ target_record_id = "{}.{}".format(db_record, target_item["id"])
+ item_ = item
+
+ if target_vim.startswith("sdn"):
+ # item must be sdn-net instead of net if target_vim is a sdn
+ item_ = "sdn_net"
+ target_record_id += ".sdn"
+
+ kwargs = {}
+ self.logger.warning(
+ "ns.calculate_diff_items target_item={}".format(target_item)
+ )
+ if process_params == Ns._process_flavor_params:
+ kwargs.update(
+ {
+ "db": self.db,
+ }
+ )
+ self.logger.warning(
+ "calculate_diff_items for flavor kwargs={}".format(kwargs)
+ )
+
+ if process_params == Ns._process_vdu_params:
+ self.logger.warning(
+ "calculate_diff_items self.fs={}".format(self.fs)
+ )
+ kwargs.update(
+ {
+ "vnfr_id": vnfr_id,
+ "nsr_id": nsr_id,
+ "vnfr": vnfr,
+ "vdu2cloud_init": vdu2cloud_init,
+ "tasks_by_target_record_id": tasks_by_target_record_id,
+ "logger": self.logger,
+ "db": self.db,
+ "fs": self.fs,
+ "ro_nsr_public_key": ro_nsr_public_key,
+ }
+ )
+ self.logger.warning("calculate_diff_items kwargs={}".format(kwargs))
+
+ extra_dict = process_params(
+ target_item,
+ indata,
+ target_viminfo,
+ target_record_id,
+ **kwargs,
+ )
+ self._assign_vim(target_vim)
+
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ new_item = {
+ "deployment_info": deployment_info,
+ "target_id": target_vim,
+ "item": item_,
+ "action": "CREATE",
+ "target_record": f"{db_record}.{item_index}.vim_info.{target_vim}",
+ "target_record_id": target_record_id,
+ "extra_dict": extra_dict,
+ "common_id": target_item.get("common_id", None),
+ }
+ diff_items.append(new_item)
+ tasks_by_target_record_id[target_record_id] = new_item
+ task_index += 1
+
+ db_nsr_update[db_path + ".{}".format(item_index)] = target_item
+
+ return diff_items, task_index
+
+ def calculate_all_differences_to_deploy(
+ self,
+ indata,
+ nsr_id,
+ db_nsr,
+ db_vnfrs,
+ db_ro_nsr,
+ db_nsr_update,
+ db_vnfrs_update,
+ action_id,
+ tasks_by_target_record_id,
+ ):
+ """This method calculates the ordered list of items (`changes_list`)
+ to be created and deleted.
+
+ Args:
+ indata (Dict[str, Any]): deployment info
+ nsr_id (str): NSR id
+ db_nsr: NSR record from DB
+ db_vnfrs: VNFRS record from DB
+ db_ro_nsr (Dict[str, Any]): record from "ro_nsrs"
+ db_nsr_update (Dict[str, Any]): NSR info to update in DB
+ db_vnfrs_update (Dict[str, Any]): VNFRS info to update in DB
+ action_id (str): action id
+ tasks_by_target_record_id (Dict[str, Any]):
+ [<target_record_id>, <task>]
+
+ Returns:
+ List: ordered list of items to be created and deleted.
+ """
+
+ task_index = 0
+ # set list with diffs:
+ changes_list = []
+
+ # NS vld, image and flavor
+ for item in ["net", "image", "flavor", "affinity-or-anti-affinity-group"]:
+ self.logger.debug("process NS={} {}".format(nsr_id, item))
+ diff_items, task_index = self.calculate_diff_items(
+ indata=indata,
+ db_nsr=db_nsr,
+ db_ro_nsr=db_ro_nsr,
+ db_nsr_update=db_nsr_update,
+ item=item,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ action_id=action_id,
+ nsr_id=nsr_id,
+ task_index=task_index,
+ vnfr_id=None,
+ )
+ changes_list += diff_items
+
+ # VNF vlds and vdus
+ for vnfr_id, vnfr in db_vnfrs.items():
+ # vnfr_id need to be set as global variable for among others nested method _process_vdu_params
+ for item in ["net", "vdu"]:
+ self.logger.debug("process VNF={} {}".format(vnfr_id, item))
+ diff_items, task_index = self.calculate_diff_items(
+ indata=indata,
+ db_nsr=db_nsr,
+ db_ro_nsr=db_ro_nsr,
+ db_nsr_update=db_vnfrs_update[vnfr["_id"]],
+ item=item,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ action_id=action_id,
+ nsr_id=nsr_id,
+ task_index=task_index,
+ vnfr_id=vnfr_id,
+ vnfr=vnfr,
+ )
+ changes_list += diff_items
+
+ return changes_list
+
+ def define_all_tasks(
+ self,
+ changes_list,
+ db_new_tasks,
+ tasks_by_target_record_id,
+ ):
+ """Function to create all the task structures obtanied from
+ the method calculate_all_differences_to_deploy
+
+ Args:
+ changes_list (List): ordered list of items to be created or deleted
+ db_new_tasks (List): tasks list to be created
+ action_id (str): action id
+ tasks_by_target_record_id (Dict[str, Any]):
+ [<target_record_id>, <task>]
+
+ """
+
+ for change in changes_list:
+ task = Ns._create_task(
+ deployment_info=change["deployment_info"],
+ target_id=change["target_id"],
+ item=change["item"],
+ action=change["action"],
+ target_record=change["target_record"],
+ target_record_id=change["target_record_id"],
+ extra_dict=change.get("extra_dict", None),
+ )
+
+ self.logger.warning("ns.define_all_tasks task={}".format(task))
+ tasks_by_target_record_id[change["target_record_id"]] = task
+ db_new_tasks.append(task)
+
+ if change.get("common_id"):
+ task["common_id"] = change["common_id"]
+
+ def upload_all_tasks(
+ self,
+ db_new_tasks,
+ now,
+ ):
+ """Function to save all tasks in the common DB
+
+ Args:
+ db_new_tasks (List): tasks list to be created
+ now (time): current time
+
+ """
+
+ nb_ro_tasks = 0 # for logging
+
+ for db_task in db_new_tasks:
+ target_id = db_task.pop("target_id")
+ common_id = db_task.get("common_id")
+
+ # Do not chek tasks with vim_status DELETED
+ # because in manual heealing there are two tasks for the same vdur:
+ # one with vim_status deleted and the other one with the actual VM status.
+
+ if common_id:
+ if self.db.set_one(
+ "ro_tasks",
+ q_filter={
+ "target_id": target_id,
+ "tasks.common_id": common_id,
+ "vim_info.vim_status.ne": "DELETED",
+ },
+ update_dict={"to_check_at": now, "modified_at": now},
+ push={"tasks": db_task},
+ fail_on_empty=False,
+ ):
+ continue
+
+ if not self.db.set_one(
+ "ro_tasks",
+ q_filter={
+ "target_id": target_id,
+ "tasks.target_record": db_task["target_record"],
+ "vim_info.vim_status.ne": "DELETED",
+ },
+ update_dict={"to_check_at": now, "modified_at": now},
+ push={"tasks": db_task},
+ fail_on_empty=False,
+ ):
+ # Create a ro_task
+ self.logger.debug("Updating database, Creating ro_tasks")
+ db_ro_task = Ns._create_ro_task(target_id, db_task)
+ nb_ro_tasks += 1
+ self.db.create("ro_tasks", db_ro_task)
+
+ self.logger.debug(
+ "Created {} ro_tasks; {} tasks - db_new_tasks={}".format(
+ nb_ro_tasks, len(db_new_tasks), db_new_tasks
+ )
+ )
+
+ def upload_recreate_tasks(
+ self,
+ db_new_tasks,
+ now,
+ ):
+ """Function to save recreate tasks in the common DB
+
+ Args:
+ db_new_tasks (List): tasks list to be created
+ now (time): current time
+
+ """
+
+ nb_ro_tasks = 0 # for logging
+
+ for db_task in db_new_tasks:
+ target_id = db_task.pop("target_id")
+ self.logger.warning("target_id={} db_task={}".format(target_id, db_task))
+
+ action = db_task.get("action", None)
+
+ # Create a ro_task
+ self.logger.debug("Updating database, Creating ro_tasks")
+ db_ro_task = Ns._create_ro_task(target_id, db_task)
+
+ # If DELETE task: the associated created items should be removed
+ # (except persistent volumes):
+ if action == "DELETE":
+ db_ro_task["vim_info"]["created"] = True
+ db_ro_task["vim_info"]["created_items"] = db_task.get(
+ "created_items", {}
+ )
+ db_ro_task["vim_info"]["volumes_to_hold"] = db_task.get(
+ "volumes_to_hold", []
+ )
+ db_ro_task["vim_info"]["vim_id"] = db_task.get("vim_id", None)
+
+ nb_ro_tasks += 1
+ self.logger.warning("upload_all_tasks db_ro_task={}".format(db_ro_task))
+ self.db.create("ro_tasks", db_ro_task)
+
+ self.logger.debug(
+ "Created {} ro_tasks; {} tasks - db_new_tasks={}".format(
+ nb_ro_tasks, len(db_new_tasks), db_new_tasks
+ )
+ )
+
+ def _prepare_created_items_for_healing(
+ self,
+ nsr_id,
+ target_record,
+ ):
+ created_items = {}
+ # Get created_items from ro_task
+ ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
+ for ro_task in ro_tasks:
+ for task in ro_task["tasks"]:
+ if (
+ task["target_record"] == target_record
+ and task["action"] == "CREATE"
+ and ro_task["vim_info"]["created_items"]
+ ):
+ created_items = ro_task["vim_info"]["created_items"]
+ break
+
+ return created_items
+
+ def _prepare_persistent_volumes_for_healing(
+ self,
+ target_id,
+ existing_vdu,
+ ):
+ # The associated volumes of the VM shouldn't be removed
+ volumes_list = []
+ vim_details = {}
+ vim_details_text = existing_vdu["vim_info"][target_id].get("vim_details", None)
+ if vim_details_text:
+ vim_details = yaml.safe_load(f"{vim_details_text}")
+
+ for vol_id in vim_details.get("os-extended-volumes:volumes_attached", []):
+ volumes_list.append(vol_id["id"])
+
+ return volumes_list
+
+ def prepare_changes_to_recreate(
+ self,
+ indata,
+ nsr_id,
+ db_nsr,
+ db_vnfrs,
+ db_ro_nsr,
+ action_id,
+ tasks_by_target_record_id,
+ ):
+ """This method will obtain an ordered list of items (`changes_list`)
+ to be created and deleted to meet the recreate request.
+ """
+
+ self.logger.debug(
+ "ns.prepare_changes_to_recreate nsr_id={} indata={}".format(nsr_id, indata)
+ )
+
+ task_index = 0
+ # set list with diffs:
+ changes_list = []
+ db_path = self.db_path_map["vdu"]
+ target_list = indata.get("healVnfData", {})
+ vdu2cloud_init = indata.get("cloud_init_content") or {}
+ ro_nsr_public_key = db_ro_nsr["public_key"]
+
+ # Check each VNF of the target
+ for target_vnf in target_list:
+ # Find this VNF in the list from DB
+ vnfr_id = target_vnf.get("vnfInstanceId", None)
+ if vnfr_id:
+ existing_vnf = db_vnfrs.get(vnfr_id)
+ db_record = "vnfrs:{}:{}".format(vnfr_id, db_path)
+ # vim_account_id = existing_vnf.get("vim-account-id", "")
+
+ # Check each VDU of this VNF
+ for target_vdu in target_vnf["additionalParams"].get("vdu", None):
+ vdu_name = target_vdu.get("vdu-id", None)
+ # For multi instance VDU count-index is mandatory
+ # For single session VDU count-indes is 0
+ count_index = target_vdu.get("count-index", 0)
+ item_index = 0
+ existing_instance = None
+ for instance in existing_vnf.get("vdur", None):
+ if (
+ instance["vdu-name"] == vdu_name
+ and instance["count-index"] == count_index
+ ):
+ existing_instance = instance
+ break
+ else:
+ item_index += 1
+
+ target_record_id = "{}.{}".format(db_record, existing_instance["id"])
+
+ # The target VIM is the one already existing in DB to recreate
+ for target_vim, target_viminfo in existing_instance.get(
+ "vim_info", {}
+ ).items():
+ # step 1 vdu to be deleted
+ self._assign_vim(target_vim)
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ target_record = f"{db_record}.{item_index}.vim_info.{target_vim}"
+ created_items = self._prepare_created_items_for_healing(
+ nsr_id, target_record
+ )
+
+ volumes_to_hold = self._prepare_persistent_volumes_for_healing(
+ target_vim, existing_instance
+ )
+
+ # Specific extra params for recreate tasks:
+ extra_dict = {
+ "created_items": created_items,
+ "vim_id": existing_instance["vim-id"],
+ "volumes_to_hold": volumes_to_hold,
+ }
+
+ changes_list.append(
+ {
+ "deployment_info": deployment_info,
+ "target_id": target_vim,
+ "item": "vdu",
+ "action": "DELETE",
+ "target_record": target_record,
+ "target_record_id": target_record_id,
+ "extra_dict": extra_dict,
+ }
+ )
+ delete_task_id = f"{action_id}:{task_index}"
+ task_index += 1
+
+ # step 2 vdu to be created
+ kwargs = {}
+ kwargs.update(
+ {
+ "vnfr_id": vnfr_id,
+ "nsr_id": nsr_id,
+ "vnfr": existing_vnf,
+ "vdu2cloud_init": vdu2cloud_init,
+ "tasks_by_target_record_id": tasks_by_target_record_id,
+ "logger": self.logger,
+ "db": self.db,
+ "fs": self.fs,
+ "ro_nsr_public_key": ro_nsr_public_key,
+ }
+ )
+
+ extra_dict = self._process_recreate_vdu_params(
+ existing_instance,
+ db_nsr,
+ target_viminfo,
+ target_record_id,
+ target_vim,
+ **kwargs,
+ )
+
+ # The CREATE task depens on the DELETE task
+ extra_dict["depends_on"] = [delete_task_id]
+
+ # Add volumes created from created_items if any
+ # Ports should be deleted with delete task and automatically created with create task
+ volumes = {}
+ for k, v in created_items.items():
+ try:
+ k_item, _, k_id = k.partition(":")
+ if k_item == "volume":
+ volumes[k] = v
+ except Exception as e:
+ self.logger.error(
+ "Error evaluating created item {}: {}".format(k, e)
+ )
+ extra_dict["previous_created_volumes"] = volumes
+
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+ self._assign_vim(target_vim)
+
+ new_item = {
+ "deployment_info": deployment_info,
+ "target_id": target_vim,
+ "item": "vdu",
+ "action": "CREATE",
+ "target_record": target_record,
+ "target_record_id": target_record_id,
+ "extra_dict": extra_dict,
+ }
+ changes_list.append(new_item)
+ tasks_by_target_record_id[target_record_id] = new_item
+ task_index += 1
+
+ return changes_list
+
+ def recreate(self, session, indata, version, nsr_id, *args, **kwargs):
+ self.logger.debug("ns.recreate nsr_id={} indata={}".format(nsr_id, indata))
+ # TODO: validate_input(indata, recreate_schema)
+ action_id = indata.get("action_id", str(uuid4()))
+ # get current deployment
+ db_vnfrs = {} # vnf's info indexed by _id
+ step = ""
+ logging_text = "Recreate nsr_id={} action_id={} indata={}".format(
+ nsr_id, action_id, indata
+ )
+ self.logger.debug(logging_text + "Enter")
+
+ try:
+ step = "Getting ns and vnfr record from db"
+ db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ db_new_tasks = []
+ tasks_by_target_record_id = {}
+ # read from db: vnf's of this ns
+ step = "Getting vnfrs from db"
+ db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+ self.logger.debug("ns.recreate: db_vnfrs_list={}".format(db_vnfrs_list))
+
+ if not db_vnfrs_list:
+ raise NsException("Cannot obtain associated VNF for ns")
+
+ for vnfr in db_vnfrs_list:
+ db_vnfrs[vnfr["_id"]] = vnfr
+
+ now = time()
+ db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False)
+ self.logger.debug("ns.recreate: db_ro_nsr={}".format(db_ro_nsr))
+
+ if not db_ro_nsr:
+ db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now)
+
+ with self.write_lock:
+ # NS
+ step = "process NS elements"
+ changes_list = self.prepare_changes_to_recreate(
+ indata=indata,
+ nsr_id=nsr_id,
+ db_nsr=db_nsr,
+ db_vnfrs=db_vnfrs,
+ db_ro_nsr=db_ro_nsr,
+ action_id=action_id,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ )
+
+ self.define_all_tasks(
+ changes_list=changes_list,
+ db_new_tasks=db_new_tasks,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ )
+
+ # Delete all ro_tasks registered for the targets vdurs (target_record)
+ # If task of type CREATE exist then vim will try to get info form deleted VMs.
+ # So remove all task related to target record.
+ ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
+ for change in changes_list:
+ for ro_task in ro_tasks:
+ for task in ro_task["tasks"]:
+ if task["target_record"] == change["target_record"]:
+ self.db.del_one(
+ "ro_tasks",
+ q_filter={
+ "_id": ro_task["_id"],
+ "modified_at": ro_task["modified_at"],
+ },
+ fail_on_empty=False,
+ )
+
+ step = "Updating database, Appending tasks to ro_tasks"
+ self.upload_recreate_tasks(
+ db_new_tasks=db_new_tasks,
+ now=now,
+ )
+
+ self.logger.debug(
+ logging_text + "Exit. Created {} tasks".format(len(db_new_tasks))
+ )
+
+ return (
+ {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
+ action_id,
+ True,
+ )
+ except Exception as e:
+ if isinstance(e, (DbException, NsException)):
+ self.logger.error(
+ logging_text + "Exit Exception while '{}': {}".format(step, e)
+ )
+ else:
+ e = traceback_format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception while '{}': {}".format(step, e),
+ exc_info=True,
+ )
+
+ raise NsException(e)
+
def deploy(self, session, indata, version, nsr_id, *args, **kwargs):
self.logger.debug("ns.deploy nsr_id={} indata={}".format(nsr_id, indata))
validate_input(indata, deploy_schema)
action_id = indata.get("action_id", str(uuid4()))
task_index = 0
# get current deployment
- db_nsr_update = {} # update operation on nsrs
+ db_nsr_update = {} # update operation on nsrs
db_vnfrs_update = {}
- db_vnfrs = {} # vnf's info indexed by _id
- nb_ro_tasks = 0 # for logging
- vdu2cloud_init = indata.get("cloud_init_content") or {}
- step = ''
+ db_vnfrs = {} # vnf's info indexed by _id
+ step = ""
logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
self.logger.debug(logging_text + "Enter")
+
try:
step = "Getting ns and vnfr record from db"
db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
+ self.logger.debug("ns.deploy: db_nsr={}".format(db_nsr))
db_new_tasks = []
tasks_by_target_record_id = {}
# read from db: vnf's of this ns
step = "Getting vnfrs from db"
db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
+
if not db_vnfrs_list:
raise NsException("Cannot obtain associated VNF for ns")
+
for vnfr in db_vnfrs_list:
db_vnfrs[vnfr["_id"]] = vnfr
db_vnfrs_update[vnfr["_id"]] = {}
+ self.logger.debug("ns.deploy db_vnfrs={}".format(db_vnfrs))
+
now = time()
db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False)
+
if not db_ro_nsr:
db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now)
- ro_nsr_public_key = db_ro_nsr["public_key"]
# check that action_id is not in the list of actions. Suffixed with :index
if action_id in db_ro_nsr["actions"]:
index = 1
+
while True:
new_action_id = "{}:{}".format(action_id, index)
+
if new_action_id not in db_ro_nsr["actions"]:
action_id = new_action_id
- self.logger.debug(logging_text + "Changing action_id in use to {}".format(action_id))
+ self.logger.debug(
+ logging_text
+ + "Changing action_id in use to {}".format(action_id)
+ )
break
- index += 1
-
- def _create_task(target_id, item, action, target_record, target_record_id, extra_dict=None):
- nonlocal task_index
- nonlocal action_id
- nonlocal nsr_id
-
- task = {
- "target_id": target_id, # it will be removed before pushing at database
- "action_id": action_id,
- "nsr_id": nsr_id,
- "task_id": "{}:{}".format(action_id, task_index),
- "status": "SCHEDULED",
- "action": action,
- "item": item,
- "target_record": target_record,
- "target_record_id": target_record_id,
- }
- if extra_dict:
- task.update(extra_dict) # params, find_params, depends_on
- task_index += 1
- return task
-
- def _create_ro_task(target_id, task):
- nonlocal action_id
- nonlocal task_index
- nonlocal now
-
- _id = task["task_id"]
- db_ro_task = {
- "_id": _id,
- "locked_by": None,
- "locked_at": 0.0,
- "target_id": target_id,
- "vim_info": {
- "created": False,
- "created_items": None,
- "vim_id": None,
- "vim_name": None,
- "vim_status": None,
- "vim_details": None,
- "refresh_at": None,
- },
- "modified_at": now,
- "created_at": now,
- "to_check_at": now,
- "tasks": [task],
- }
- return db_ro_task
-
- def _process_image_params(target_image, vim_info, target_record_id):
- find_params = {}
- if target_image.get("image"):
- find_params["filter_dict"] = {"name": target_image.get("image")}
- if target_image.get("vim_image_id"):
- find_params["filter_dict"] = {"id": target_image.get("vim_image_id")}
- if target_image.get("image_checksum"):
- find_params["filter_dict"] = {"checksum": target_image.get("image_checksum")}
- return {"find_params": find_params}
-
- def _process_flavor_params(target_flavor, vim_info, target_record_id):
-
- def _get_resource_allocation_params(quota_descriptor):
- """
- read the quota_descriptor from vnfd and fetch the resource allocation properties from the
- descriptor object
- :param quota_descriptor: cpu/mem/vif/disk-io quota descriptor
- :return: quota params for limit, reserve, shares from the descriptor object
- """
- quota = {}
- if quota_descriptor.get("limit"):
- quota["limit"] = int(quota_descriptor["limit"])
- if quota_descriptor.get("reserve"):
- quota["reserve"] = int(quota_descriptor["reserve"])
- if quota_descriptor.get("shares"):
- quota["shares"] = int(quota_descriptor["shares"])
- return quota
-
- flavor_data = {
- "disk": int(target_flavor["storage-gb"]),
- "ram": int(target_flavor["memory-mb"]),
- "vcpus": int(target_flavor["vcpu-count"]),
- }
- numa = {}
- extended = {}
- if target_flavor.get("guest-epa"):
- extended = {}
- epa_vcpu_set = False
- if target_flavor["guest-epa"].get("numa-node-policy"):
- numa_node_policy = target_flavor["guest-epa"].get("numa-node-policy")
- if numa_node_policy.get("node"):
- numa_node = numa_node_policy["node"][0]
- if numa_node.get("num-cores"):
- numa["cores"] = numa_node["num-cores"]
- epa_vcpu_set = True
- if numa_node.get("paired-threads"):
- if numa_node["paired-threads"].get("num-paired-threads"):
- numa["paired-threads"] = int(numa_node["paired-threads"]["num-paired-threads"])
- epa_vcpu_set = True
- if len(numa_node["paired-threads"].get("paired-thread-ids")):
- numa["paired-threads-id"] = []
- for pair in numa_node["paired-threads"]["paired-thread-ids"]:
- numa["paired-threads-id"].append(
- (str(pair["thread-a"]), str(pair["thread-b"]))
- )
- if numa_node.get("num-threads"):
- numa["threads"] = int(numa_node["num-threads"])
- epa_vcpu_set = True
- if numa_node.get("memory-mb"):
- numa["memory"] = max(int(numa_node["memory-mb"] / 1024), 1)
- if target_flavor["guest-epa"].get("mempage-size"):
- extended["mempage-size"] = target_flavor["guest-epa"].get("mempage-size")
- if target_flavor["guest-epa"].get("cpu-pinning-policy") and not epa_vcpu_set:
- if target_flavor["guest-epa"]["cpu-pinning-policy"] == "DEDICATED":
- if target_flavor["guest-epa"].get("cpu-thread-pinning-policy") and \
- target_flavor["guest-epa"]["cpu-thread-pinning-policy"] != "PREFER":
- numa["cores"] = max(flavor_data["vcpus"], 1)
- else:
- numa["threads"] = max(flavor_data["vcpus"], 1)
- epa_vcpu_set = True
- if target_flavor["guest-epa"].get("cpu-quota") and not epa_vcpu_set:
- cpuquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("cpu-quota"))
- if cpuquota:
- extended["cpu-quota"] = cpuquota
- if target_flavor["guest-epa"].get("mem-quota"):
- vduquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("mem-quota"))
- if vduquota:
- extended["mem-quota"] = vduquota
- if target_flavor["guest-epa"].get("disk-io-quota"):
- diskioquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("disk-io-quota"))
- if diskioquota:
- extended["disk-io-quota"] = diskioquota
- if target_flavor["guest-epa"].get("vif-quota"):
- vifquota = _get_resource_allocation_params(target_flavor["guest-epa"].get("vif-quota"))
- if vifquota:
- extended["vif-quota"] = vifquota
- if numa:
- extended["numas"] = [numa]
- if extended:
- flavor_data["extended"] = extended
-
- extra_dict = {"find_params": {"flavor_data": flavor_data}}
- flavor_data_name = flavor_data.copy()
- flavor_data_name["name"] = target_flavor["name"]
- extra_dict["params"] = {"flavor_data": flavor_data_name}
- return extra_dict
-
- def _ip_profile_2_ro(ip_profile):
- if not ip_profile:
- return None
- ro_ip_profile = {
- "ip_version": "IPv4" if "v4" in ip_profile.get("ip-version", "ipv4") else "IPv6",
- "subnet_address": ip_profile.get("subnet-address"),
- "gateway_address": ip_profile.get("gateway-address"),
- "dhcp_enabled": ip_profile["dhcp-params"].get("enabled", True),
- "dhcp_start_address": ip_profile["dhcp-params"].get("start-address"),
- "dhcp_count": ip_profile["dhcp-params"].get("count"),
-
- }
- if ip_profile.get("dns-server"):
- ro_ip_profile["dns_address"] = ";".join([v["address"] for v in ip_profile["dns-server"]])
- if ip_profile.get('security-group'):
- ro_ip_profile["security_group"] = ip_profile['security-group']
- return ro_ip_profile
-
- def _process_net_params(target_vld, vim_info, target_record_id):
- nonlocal indata
- extra_dict = {}
-
- if vim_info.get("sdn"):
- # vnf_preffix = "vnfrs:{}".format(vnfr_id)
- # ns_preffix = "nsrs:{}".format(nsr_id)
- vld_target_record_id, _, _ = target_record_id.rpartition(".") # remove the ending ".sdn
- extra_dict["params"] = {k: vim_info[k] for k in ("sdn-ports", "target_vim", "vlds", "type")
- if vim_info.get(k)}
- # TODO needed to add target_id in the dependency.
- if vim_info.get("target_vim"):
- extra_dict["depends_on"] = [vim_info.get("target_vim") + " " + vld_target_record_id]
- return extra_dict
-
- if vim_info.get("vim_network_name"):
- extra_dict["find_params"] = {"filter_dict": {"name": vim_info.get("vim_network_name")}}
- elif vim_info.get("vim_network_id"):
- extra_dict["find_params"] = {"filter_dict": {"id": vim_info.get("vim_network_id")}}
- elif target_vld.get("mgmt-network"):
- extra_dict["find_params"] = {"mgmt": True, "name": target_vld["id"]}
- else:
- # create
- extra_dict["params"] = {
- "net_name": "{}-{}".format(indata["name"][:16], target_vld.get("name", target_vld["id"])[:16]),
- "ip_profile": _ip_profile_2_ro(vim_info.get('ip_profile')),
- "provider_network_profile": vim_info.get('provider_network'),
- }
- if not target_vld.get("underlay"):
- extra_dict["params"]["net_type"] = "bridge"
- else:
- extra_dict["params"]["net_type"] = "ptp" if target_vld.get("type") == "ELINE" else "data"
- return extra_dict
-
- def _process_vdu_params(target_vdu, vim_info, target_record_id):
- nonlocal vnfr_id
- nonlocal nsr_id
- nonlocal indata
- nonlocal vnfr
- nonlocal vdu2cloud_init
- nonlocal tasks_by_target_record_id
- vnf_preffix = "vnfrs:{}".format(vnfr_id)
- ns_preffix = "nsrs:{}".format(nsr_id)
- image_text = ns_preffix + ":image." + target_vdu["ns-image-id"]
- flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"]
- extra_dict = {"depends_on": [image_text, flavor_text]}
- net_list = []
- for iface_index, interface in enumerate(target_vdu["interfaces"]):
- if interface.get("ns-vld-id"):
- net_text = ns_preffix + ":vld." + interface["ns-vld-id"]
- elif interface.get("vnf-vld-id"):
- net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"]
- else:
- self.logger.error("Interface {} from vdu {} not connected to any vld".format(
- iface_index, target_vdu["vdu-name"]))
- continue # interface not connected to any vld
- extra_dict["depends_on"].append(net_text)
- net_item = {x: v for x, v in interface.items() if x in
- ("name", "vpci", "port_security", "port_security_disable_strategy", "floating_ip")}
- net_item["net_id"] = "TASK-" + net_text
- net_item["type"] = "virtual"
- # TODO mac_address: used for SR-IOV ifaces #TODO for other types
- # TODO floating_ip: True/False (or it can be None)
- if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
- # mark the net create task as type data
- if deep_get(tasks_by_target_record_id, net_text, "params", "net_type"):
- tasks_by_target_record_id[net_text]["params"]["net_type"] = "data"
- net_item["use"] = "data"
- net_item["model"] = interface["type"]
- net_item["type"] = interface["type"]
- elif interface.get("type") == "OM-MGMT" or interface.get("mgmt-interface") or \
- interface.get("mgmt-vnf"):
- net_item["use"] = "mgmt"
- else: # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
- net_item["use"] = "bridge"
- net_item["model"] = interface.get("type")
- if interface.get("ip-address"):
- net_item["ip_address"] = interface["ip-address"]
- if interface.get("mac-address"):
- net_item["mac_address"] = interface["mac-address"]
- net_list.append(net_item)
- if interface.get("mgmt-vnf"):
- extra_dict["mgmt_vnf_interface"] = iface_index
- elif interface.get("mgmt-interface"):
- extra_dict["mgmt_vdu_interface"] = iface_index
- # cloud config
- cloud_config = {}
- if target_vdu.get("cloud-init"):
- if target_vdu["cloud-init"] not in vdu2cloud_init:
- vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init(target_vdu["cloud-init"])
- cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]]
- cloud_config["user-data"] = self._parse_jinja2(cloud_content_, target_vdu.get("additionalParams"),
- target_vdu["cloud-init"])
- if target_vdu.get("boot-data-drive"):
- cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive")
- ssh_keys = []
- if target_vdu.get("ssh-keys"):
- ssh_keys += target_vdu.get("ssh-keys")
- if target_vdu.get("ssh-access-required"):
- ssh_keys.append(ro_nsr_public_key)
- if ssh_keys:
- cloud_config["key-pairs"] = ssh_keys
-
- extra_dict["params"] = {
- "name": "{}-{}-{}-{}".format(indata["name"][:16], vnfr["member-vnf-index-ref"][:16],
- target_vdu["vdu-name"][:32], target_vdu.get("count-index") or 0),
- "description": target_vdu["vdu-name"],
- "start": True,
- "image_id": "TASK-" + image_text,
- "flavor_id": "TASK-" + flavor_text,
- "net_list": net_list,
- "cloud_config": cloud_config or None,
- "disk_list": None, # TODO
- "availability_zone_index": None, # TODO
- "availability_zone_list": None, # TODO
- }
- return extra_dict
-
- def _process_items(target_list, existing_list, db_record, db_update, db_path, item, process_params):
- nonlocal db_new_tasks
- nonlocal tasks_by_target_record_id
- nonlocal task_index
-
- # ensure all the target_list elements has an "id". If not assign the index as id
- for target_index, tl in enumerate(target_list):
- if tl and not tl.get("id"):
- tl["id"] = str(target_index)
-
- # step 1 items (networks,vdus,...) to be deleted/updated
- for item_index, existing_item in enumerate(existing_list):
- target_item = next((t for t in target_list if t["id"] == existing_item["id"]), None)
- for target_vim, existing_viminfo in existing_item.get("vim_info", {}).items():
- if existing_viminfo is None:
- continue
- if target_item:
- target_viminfo = target_item.get("vim_info", {}).get(target_vim)
- else:
- target_viminfo = None
- if target_viminfo is None:
- # must be deleted
- self.assign_vim(target_vim)
- target_record_id = "{}.{}".format(db_record, existing_item["id"])
- item_ = item
- if target_vim.startswith("sdn"):
- # item must be sdn-net instead of net if target_vim is a sdn
- item_ = "sdn_net"
- target_record_id += ".sdn"
- task = _create_task(
- target_vim, item_, "DELETE",
- target_record="{}.{}.vim_info.{}".format(db_record, item_index, target_vim),
- target_record_id=target_record_id)
- tasks_by_target_record_id[target_record_id] = task
- db_new_tasks.append(task)
- # TODO delete
- # TODO check one by one the vims to be created/deleted
-
- # step 2 items (networks,vdus,...) to be created
- for target_item in target_list:
- item_index = -1
- for item_index, existing_item in enumerate(existing_list):
- if existing_item["id"] == target_item["id"]:
- break
- else:
- item_index += 1
- db_update[db_path + ".{}".format(item_index)] = target_item
- existing_list.append(target_item)
- existing_item = None
-
- for target_vim, target_viminfo in target_item.get("vim_info", {}).items():
- existing_viminfo = None
- if existing_item:
- existing_viminfo = existing_item.get("vim_info", {}).get(target_vim)
- # TODO check if different. Delete and create???
- # TODO delete if not exist
- if existing_viminfo is not None:
- continue
-
- target_record_id = "{}.{}".format(db_record, target_item["id"])
- item_ = item
- if target_vim.startswith("sdn"):
- # item must be sdn-net instead of net if target_vim is a sdn
- item_ = "sdn_net"
- target_record_id += ".sdn"
- extra_dict = process_params(target_item, target_viminfo, target_record_id)
-
- self.assign_vim(target_vim)
- task = _create_task(
- target_vim, item_, "CREATE",
- target_record="{}.{}.vim_info.{}".format(db_record, item_index, target_vim),
- target_record_id=target_record_id,
- extra_dict=extra_dict)
- tasks_by_target_record_id[target_record_id] = task
- db_new_tasks.append(task)
- if target_item.get("common_id"):
- task["common_id"] = target_item["common_id"]
- db_update[db_path + ".{}".format(item_index)] = target_item
+ index += 1
def _process_action(indata):
nonlocal db_new_tasks
+ nonlocal action_id
+ nonlocal nsr_id
nonlocal task_index
nonlocal db_vnfrs
nonlocal db_ro_nsr
key = indata["action"].get("key")
user = indata["action"].get("user")
password = indata["action"].get("password")
+
for vnf in indata.get("vnf", ()):
if vnf["_id"] not in db_vnfrs:
raise NsException("Invalid vnf={}".format(vnf["_id"]))
+
db_vnfr = db_vnfrs[vnf["_id"]]
+
for target_vdu in vnf.get("vdur", ()):
- vdu_index, vdur = next((i_v for i_v in enumerate(db_vnfr["vdur"]) if
- i_v[1]["id"] == target_vdu["id"]), (None, None))
+ vdu_index, vdur = next(
+ (
+ i_v
+ for i_v in enumerate(db_vnfr["vdur"])
+ if i_v[1]["id"] == target_vdu["id"]
+ ),
+ (None, None),
+ )
+
if not vdur:
- raise NsException("Invalid vdu vnf={}.{}".format(vnf["_id"], target_vdu["id"]))
- target_vim, vim_info = next(k_v for k_v in vdur["vim_info"].items())
- self.assign_vim(target_vim)
- target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(vnf["_id"], vdu_index)
+ raise NsException(
+ "Invalid vdu vnf={}.{}".format(
+ vnf["_id"], target_vdu["id"]
+ )
+ )
+
+ target_vim, vim_info = next(
+ k_v for k_v in vdur["vim_info"].items()
+ )
+ self._assign_vim(target_vim)
+ target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(
+ vnf["_id"], vdu_index
+ )
extra_dict = {
- "depends_on": ["vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])],
+ "depends_on": [
+ "vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])
+ ],
"params": {
"ip_address": vdur.get("ip-address"),
"user": user,
"password": password,
"private_key": db_ro_nsr["private_key"],
"salt": db_ro_nsr["_id"],
- "schema_version": db_ro_nsr["_admin"]["schema_version"]
- }
+ "schema_version": db_ro_nsr["_admin"][
+ "schema_version"
+ ],
+ },
+ }
+
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
}
- task = _create_task(target_vim, "vdu", "EXEC",
- target_record=target_record,
- target_record_id=None,
- extra_dict=extra_dict)
+
+ task = Ns._create_task(
+ deployment_info=deployment_info,
+ target_id=target_vim,
+ item="vdu",
+ action="EXEC",
+ target_record=target_record,
+ target_record_id=None,
+ extra_dict=extra_dict,
+ )
+
+ task_index = deployment_info.get("task_index")
+
db_new_tasks.append(task)
with self.write_lock:
_process_action(indata)
else:
# compute network differences
- # NS.vld
- step = "process NS VLDs"
- _process_items(target_list=indata["ns"]["vld"] or [], existing_list=db_nsr.get("vld") or [],
- db_record="nsrs:{}:vld".format(nsr_id), db_update=db_nsr_update,
- db_path="vld", item="net", process_params=_process_net_params)
-
- step = "process NS images"
- _process_items(target_list=indata.get("image") or [], existing_list=db_nsr.get("image") or [],
- db_record="nsrs:{}:image".format(nsr_id),
- db_update=db_nsr_update, db_path="image", item="image",
- process_params=_process_image_params)
-
- step = "process NS flavors"
- _process_items(target_list=indata.get("flavor") or [], existing_list=db_nsr.get("flavor") or [],
- db_record="nsrs:{}:flavor".format(nsr_id),
- db_update=db_nsr_update, db_path="flavor", item="flavor",
- process_params=_process_flavor_params)
-
- # VNF.vld
- for vnfr_id, vnfr in db_vnfrs.items():
- # vnfr_id need to be set as global variable for among others nested method _process_vdu_params
- step = "process VNF={} VLDs".format(vnfr_id)
- target_vnf = next((vnf for vnf in indata.get("vnf", ()) if vnf["_id"] == vnfr_id), None)
- target_list = target_vnf.get("vld") if target_vnf else None
- _process_items(target_list=target_list or [], existing_list=vnfr.get("vld") or [],
- db_record="vnfrs:{}:vld".format(vnfr_id), db_update=db_vnfrs_update[vnfr["_id"]],
- db_path="vld", item="net", process_params=_process_net_params)
-
- target_list = target_vnf.get("vdur") if target_vnf else None
- step = "process VNF={} VDUs".format(vnfr_id)
- _process_items(target_list=target_list or [], existing_list=vnfr.get("vdur") or [],
- db_record="vnfrs:{}:vdur".format(vnfr_id),
- db_update=db_vnfrs_update[vnfr["_id"]], db_path="vdur", item="vdu",
- process_params=_process_vdu_params)
-
- for db_task in db_new_tasks:
- step = "Updating database, Appending tasks to ro_tasks"
- target_id = db_task.pop("target_id")
- common_id = db_task.get("common_id")
- if common_id:
- if self.db.set_one("ro_tasks",
- q_filter={"target_id": target_id,
- "tasks.common_id": common_id},
- update_dict={"to_check_at": now, "modified_at": now},
- push={"tasks": db_task}, fail_on_empty=False):
- continue
- if not self.db.set_one("ro_tasks",
- q_filter={"target_id": target_id,
- "tasks.target_record": db_task["target_record"]},
- update_dict={"to_check_at": now, "modified_at": now},
- push={"tasks": db_task}, fail_on_empty=False):
- # Create a ro_task
- step = "Updating database, Creating ro_tasks"
- db_ro_task = _create_ro_task(target_id, db_task)
- nb_ro_tasks += 1
- self.db.create("ro_tasks", db_ro_task)
+ # NS
+ step = "process NS elements"
+ changes_list = self.calculate_all_differences_to_deploy(
+ indata=indata,
+ nsr_id=nsr_id,
+ db_nsr=db_nsr,
+ db_vnfrs=db_vnfrs,
+ db_ro_nsr=db_ro_nsr,
+ db_nsr_update=db_nsr_update,
+ db_vnfrs_update=db_vnfrs_update,
+ action_id=action_id,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ )
+ self.define_all_tasks(
+ changes_list=changes_list,
+ db_new_tasks=db_new_tasks,
+ tasks_by_target_record_id=tasks_by_target_record_id,
+ )
+
+ step = "Updating database, Appending tasks to ro_tasks"
+ self.upload_all_tasks(
+ db_new_tasks=db_new_tasks,
+ now=now,
+ )
+
step = "Updating database, nsrs"
if db_nsr_update:
self.db.set_one("nsrs", {"_id": nsr_id}, db_nsr_update)
+
for vnfr_id, db_vnfr_update in db_vnfrs_update.items():
if db_vnfr_update:
step = "Updating database, vnfrs={}".format(vnfr_id)
self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update)
- self.logger.debug(logging_text + "Exit. Created {} ro_tasks; {} tasks".format(nb_ro_tasks,
- len(db_new_tasks)))
- return {"status": "ok", "nsr_id": nsr_id, "action_id": action_id}, action_id, True
+ self.logger.debug(
+ logging_text + "Exit. Created {} tasks".format(len(db_new_tasks))
+ )
+ return (
+ {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
+ action_id,
+ True,
+ )
except Exception as e:
if isinstance(e, (DbException, NsException)):
- self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
+ self.logger.error(
+ logging_text + "Exit Exception while '{}': {}".format(step, e)
+ )
else:
e = traceback_format_exc()
- self.logger.critical(logging_text + "Exit Exception while '{}': {}".format(step, e), exc_info=True)
+ self.logger.critical(
+ logging_text + "Exit Exception while '{}': {}".format(step, e),
+ exc_info=True,
+ )
+
raise NsException(e)
def delete(self, session, indata, version, nsr_id, *args, **kwargs):
self.logger.debug("ns.delete version={} nsr_id={}".format(version, nsr_id))
# self.db.del_list({"_id": ro_task["_id"], "tasks.nsr_id.ne": nsr_id})
+
with self.write_lock:
try:
NsWorker.delete_db_tasks(self.db, nsr_id, None)
except NsWorkerException as e:
raise NsException(e)
+
return None, None, True
def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
- # self.logger.debug("ns.status version={} nsr_id={}, action_id={} indata={}"
- # .format(version, nsr_id, action_id, indata))
+ self.logger.debug(
+ "ns.status version={} nsr_id={}, action_id={} indata={}".format(
+ version, nsr_id, action_id, indata
+ )
+ )
task_list = []
done = 0
total = 0
ro_tasks = self.db.get_list("ro_tasks", {"tasks.action_id": action_id})
global_status = "DONE"
details = []
+
for ro_task in ro_tasks:
for task in ro_task["tasks"]:
if task and task["action_id"] == action_id:
task_list.append(task)
total += 1
+
if task["status"] == "FAILED":
global_status = "FAILED"
- error_text = "Error at {} {}: {}".format(task["action"].lower(), task["item"],
- ro_task["vim_info"].get("vim_details") or "unknown")
+ error_text = "Error at {} {}: {}".format(
+ task["action"].lower(),
+ task["item"],
+ ro_task["vim_info"].get("vim_message") or "unknown",
+ )
details.append(error_text)
elif task["status"] in ("SCHEDULED", "BUILD"):
if global_status != "FAILED":
global_status = "BUILD"
else:
done += 1
+
return_data = {
"status": global_status,
- "details": ". ".join(details) if details else "progress {}/{}".format(done, total),
+ "details": ". ".join(details)
+ if details
+ else "progress {}/{}".format(done, total),
"nsr_id": nsr_id,
"action_id": action_id,
- "tasks": task_list
+ "tasks": task_list,
}
+
return return_data, None, True
+ def recreate_status(
+ self, session, indata, version, nsr_id, action_id, *args, **kwargs
+ ):
+ return self.status(session, indata, version, nsr_id, action_id, *args, **kwargs)
+
def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
- print("ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(session, indata, version,
- nsr_id, action_id))
+ print(
+ "ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(
+ session, indata, version, nsr_id, action_id
+ )
+ )
+
return None, None, True
+ def rebuild_start_stop_task(
+ self,
+ vdu_id,
+ vnf_id,
+ vdu_index,
+ action_id,
+ nsr_id,
+ task_index,
+ target_vim,
+ extra_dict,
+ ):
+ self._assign_vim(target_vim)
+ target_record = "vnfrs:{}:vdur.{}".format(vnf_id, vdu_index)
+ target_record_id = "vnfrs:{}:vdur.{}".format(vnf_id, vdu_id)
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ task = Ns._create_task(
+ deployment_info=deployment_info,
+ target_id=target_vim,
+ item="update",
+ action="EXEC",
+ target_record=target_record,
+ target_record_id=target_record_id,
+ extra_dict=extra_dict,
+ )
+ return task
+
+ def rebuild_start_stop(
+ self, session, action_dict, version, nsr_id, *args, **kwargs
+ ):
+ task_index = 0
+ extra_dict = {}
+ now = time()
+ action_id = action_dict.get("action_id", str(uuid4()))
+ step = ""
+ logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
+ self.logger.debug(logging_text + "Enter")
+
+ action = list(action_dict.keys())[0]
+ task_dict = action_dict.get(action)
+ vim_vm_id = action_dict.get(action).get("vim_vm_id")
+
+ if action_dict.get("stop"):
+ action = "shutoff"
+ db_new_tasks = []
+ try:
+ step = "lock the operation & do task creation"
+ with self.write_lock:
+ extra_dict["params"] = {
+ "vim_vm_id": vim_vm_id,
+ "action": action,
+ }
+ task = self.rebuild_start_stop_task(
+ task_dict["vdu_id"],
+ task_dict["vnf_id"],
+ task_dict["vdu_index"],
+ action_id,
+ nsr_id,
+ task_index,
+ task_dict["target_vim"],
+ extra_dict,
+ )
+ db_new_tasks.append(task)
+ step = "upload Task to db"
+ self.upload_all_tasks(
+ db_new_tasks=db_new_tasks,
+ now=now,
+ )
+ self.logger.debug(
+ logging_text + "Exit. Created {} tasks".format(len(db_new_tasks))
+ )
+ return (
+ {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
+ action_id,
+ True,
+ )
+ except Exception as e:
+ if isinstance(e, (DbException, NsException)):
+ self.logger.error(
+ logging_text + "Exit Exception while '{}': {}".format(step, e)
+ )
+ else:
+ e = traceback_format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception while '{}': {}".format(step, e),
+ exc_info=True,
+ )
+ raise NsException(e)
+
def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
nsrs = self.db.get_list("nsrs", {})
return_data = []
+
for ns in nsrs:
return_data.append({"_id": ns["_id"], "name": ns["name"]})
+
return return_data, None, True
def get_actions(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
return_data = []
+
for ro_task in ro_tasks:
for task in ro_task["tasks"]:
if task["action_id"] not in return_data:
return_data.append(task["action_id"])
+
return return_data, None, True
+
+ def migrate_task(
+ self, vdu, vnf, vdu_index, action_id, nsr_id, task_index, extra_dict
+ ):
+ target_vim, vim_info = next(k_v for k_v in vdu["vim_info"].items())
+ self._assign_vim(target_vim)
+ target_record = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu_index)
+ target_record_id = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu["id"])
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ task = Ns._create_task(
+ deployment_info=deployment_info,
+ target_id=target_vim,
+ item="migrate",
+ action="EXEC",
+ target_record=target_record,
+ target_record_id=target_record_id,
+ extra_dict=extra_dict,
+ )
+
+ return task
+
+ def migrate(self, session, indata, version, nsr_id, *args, **kwargs):
+ task_index = 0
+ extra_dict = {}
+ now = time()
+ action_id = indata.get("action_id", str(uuid4()))
+ step = ""
+ logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
+ self.logger.debug(logging_text + "Enter")
+ try:
+ vnf_instance_id = indata["vnfInstanceId"]
+ step = "Getting vnfrs from db"
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_instance_id})
+ vdu = indata.get("vdu")
+ migrateToHost = indata.get("migrateToHost")
+ db_new_tasks = []
+
+ with self.write_lock:
+ if vdu is not None:
+ vdu_id = indata["vdu"]["vduId"]
+ vdu_count_index = indata["vdu"].get("vduCountIndex", 0)
+ for vdu_index, vdu in enumerate(db_vnfr["vdur"]):
+ if (
+ vdu["vdu-id-ref"] == vdu_id
+ and vdu["count-index"] == vdu_count_index
+ ):
+ extra_dict["params"] = {
+ "vim_vm_id": vdu["vim-id"],
+ "migrate_host": migrateToHost,
+ "vdu_vim_info": vdu["vim_info"],
+ }
+ step = "Creating migration task for vdu:{}".format(vdu)
+ task = self.migrate_task(
+ vdu,
+ db_vnfr,
+ vdu_index,
+ action_id,
+ nsr_id,
+ task_index,
+ extra_dict,
+ )
+ db_new_tasks.append(task)
+ task_index += 1
+ break
+ else:
+
+ for vdu_index, vdu in enumerate(db_vnfr["vdur"]):
+ extra_dict["params"] = {
+ "vim_vm_id": vdu["vim-id"],
+ "migrate_host": migrateToHost,
+ "vdu_vim_info": vdu["vim_info"],
+ }
+ step = "Creating migration task for vdu:{}".format(vdu)
+ task = self.migrate_task(
+ vdu,
+ db_vnfr,
+ vdu_index,
+ action_id,
+ nsr_id,
+ task_index,
+ extra_dict,
+ )
+ db_new_tasks.append(task)
+ task_index += 1
+
+ self.upload_all_tasks(
+ db_new_tasks=db_new_tasks,
+ now=now,
+ )
+
+ self.logger.debug(
+ logging_text + "Exit. Created {} tasks".format(len(db_new_tasks))
+ )
+ return (
+ {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
+ action_id,
+ True,
+ )
+ except Exception as e:
+ if isinstance(e, (DbException, NsException)):
+ self.logger.error(
+ logging_text + "Exit Exception while '{}': {}".format(step, e)
+ )
+ else:
+ e = traceback_format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception while '{}': {}".format(step, e),
+ exc_info=True,
+ )
+ raise NsException(e)
+
+ def verticalscale_task(
+ self, vdu, vnf, vdu_index, action_id, nsr_id, task_index, extra_dict
+ ):
+ target_vim, vim_info = next(k_v for k_v in vdu["vim_info"].items())
+ self._assign_vim(target_vim)
+ target_record = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu_index)
+ target_record_id = "vnfrs:{}:vdur.{}".format(vnf["_id"], vdu["id"])
+ deployment_info = {
+ "action_id": action_id,
+ "nsr_id": nsr_id,
+ "task_index": task_index,
+ }
+
+ task = Ns._create_task(
+ deployment_info=deployment_info,
+ target_id=target_vim,
+ item="verticalscale",
+ action="EXEC",
+ target_record=target_record,
+ target_record_id=target_record_id,
+ extra_dict=extra_dict,
+ )
+ return task
+
+ def verticalscale(self, session, indata, version, nsr_id, *args, **kwargs):
+ task_index = 0
+ extra_dict = {}
+ now = time()
+ action_id = indata.get("action_id", str(uuid4()))
+ step = ""
+ logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
+ self.logger.debug(logging_text + "Enter")
+ try:
+ VnfFlavorData = indata.get("changeVnfFlavorData")
+ vnf_instance_id = VnfFlavorData["vnfInstanceId"]
+ step = "Getting vnfrs from db"
+ db_vnfr = self.db.get_one("vnfrs", {"_id": vnf_instance_id})
+ vduid = VnfFlavorData["additionalParams"]["vduid"]
+ vduCountIndex = VnfFlavorData["additionalParams"]["vduCountIndex"]
+ virtualMemory = VnfFlavorData["additionalParams"]["virtualMemory"]
+ numVirtualCpu = VnfFlavorData["additionalParams"]["numVirtualCpu"]
+ sizeOfStorage = VnfFlavorData["additionalParams"]["sizeOfStorage"]
+ flavor_dict = {
+ "name": vduid + "-flv",
+ "ram": virtualMemory,
+ "vcpus": numVirtualCpu,
+ "disk": sizeOfStorage,
+ }
+ db_new_tasks = []
+ step = "Creating Tasks for vertical scaling"
+ with self.write_lock:
+ for vdu_index, vdu in enumerate(db_vnfr["vdur"]):
+ if (
+ vdu["vdu-id-ref"] == vduid
+ and vdu["count-index"] == vduCountIndex
+ ):
+ extra_dict["params"] = {
+ "vim_vm_id": vdu["vim-id"],
+ "flavor_dict": flavor_dict,
+ }
+ task = self.verticalscale_task(
+ vdu,
+ db_vnfr,
+ vdu_index,
+ action_id,
+ nsr_id,
+ task_index,
+ extra_dict,
+ )
+ db_new_tasks.append(task)
+ task_index += 1
+ break
+ self.upload_all_tasks(
+ db_new_tasks=db_new_tasks,
+ now=now,
+ )
+ self.logger.debug(
+ logging_text + "Exit. Created {} tasks".format(len(db_new_tasks))
+ )
+ return (
+ {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
+ action_id,
+ True,
+ )
+ except Exception as e:
+ if isinstance(e, (DbException, NsException)):
+ self.logger.error(
+ logging_text + "Exit Exception while '{}': {}".format(step, e)
+ )
+ else:
+ e = traceback_format_exc()
+ self.logger.critical(
+ logging_text + "Exit Exception while '{}': {}".format(step, e),
+ exc_info=True,
+ )
+ raise NsException(e)