params: list with the params to be sent to the VIM for CREATE or FIND. For DELETE the vim_id is taken from other related tasks
find: (only for CREATE tasks) if present it should FIND before creating and use if existing. Contains the FIND params
depends_on: list with the 'task_index'es of tasks that must be completed before. e.g. a vm creation depends on a net creation
+ can contain an int (single index on the same instance-action) or str (compete action ID)
sdn_net_id: used for net.
tries:
interfaces: used for VMs. Each key is the uuid of the instance_interfaces entry at database
import yaml
from db_base import db_base_Exception
from lib_osm_openvim.ovim import ovimException
+from copy import deepcopy
__author__ = "Alfonso Tierno, Pablo Montes"
__date__ = "$28-Sep-2017 12:07:15$"
for task_index in task["extra"].get("depends_on", ()):
task_dependency = task["depends"].get("TASK-" + str(task_index))
if not task_dependency:
- task_dependency = self._look_for_task(task["instance_action_id"], "TASK-" + str(task_index))
+ task_dependency = self._look_for_task(task["instance_action_id"], task_index)
if not task_dependency:
raise VimThreadException(
"Cannot get depending net task trying to get depending task {}.{}".format(
task["params"] = extra.get("params")
depends_on_list = extra.get("depends_on")
if depends_on_list:
- for index in depends_on_list:
+ for dependency_task in depends_on_list:
+ if isinstance(dependency_task, int):
+ index = dependency_task
+ else:
+ instance_action_id, _, task_id = dependency_task.rpartition(".")
+ if instance_action_id != task["instance_action_id"]:
+ continue
+ index = int(task_id)
+
if index < len(vim_actions_list) and vim_actions_list[index]["task_index"] == index and\
vim_actions_list[index]["instance_action_id"] == task["instance_action_id"]:
- task["depends"]["TASK-" + str(index)] = vim_actions_list[index]
+ task["depends"]["TASK-" + str(index)] = vim_actions_list[index]
+ task["depends"]["TASK-{}.{}".format(task["instance_action_id"], index)] = vim_actions_list[index]
if extra.get("interfaces"):
task["vim_interfaces"] = {}
else:
self.logger.debug("Finishing")
def _look_for_task(self, instance_action_id, task_id):
- task_index = task_id.split("-")[-1]
+ """
+ Look for a concrete task at vim_actions database table
+ :param instance_action_id: The instance_action_id
+ :param task_id: Can have several formats:
+ <task index>: integer
+ TASK-<task index> :backward compatibility,
+ [TASK-]<instance_action_id>.<task index>: this instance_action_id overrides the one in the parameter
+ :return: Task dictionary or None if not found
+ """
+ if isinstance(task_id, int):
+ task_index = task_id
+ else:
+ if task_id.startswith("TASK-"):
+ task_id = task_id[5:]
+ ins_action_id, _, task_index = task_id.rpartition(".")
+ if ins_action_id:
+ instance_action_id = ins_action_id
+
with self.db_lock:
tasks = self.db.get_rows(FROM="vim_actions", WHERE={"instance_action_id": instance_action_id,
"task_index": task_index})
"Cannot create VM because depends on a network not created or found: " +
str(depends[net["net_id"]]["error_msg"]))
net["net_id"] = network_id
- vim_vm_id, created_items = self.vim.new_vminstance(*params)
+ params_copy = deepcopy(params)
+ vim_vm_id, created_items = self.vim.new_vminstance(*params_copy)
# fill task_interfaces. Look for snd_net_id at database for each interface
task_interfaces = {}
- for iface in net_list:
+ for iface in params_copy[5]:
task_interfaces[iface["vim_id"]] = {"iface_id": iface["uuid"]}
with self.db_lock:
result = self.db.get_rows(