from juju.client import client
from juju import tag
+from n2vc.config import ModelConfig
from n2vc.juju_watcher import JujuModelWatcher
from n2vc.provisioner import AsyncSSHProvisioner
from n2vc.n2vc_conn import N2VCConnector
JujuApplicationNotFound,
JujuLeaderUnitNotFound,
JujuActionNotFound,
- JujuModelAlreadyExists,
JujuControllerFailedConnecting,
JujuApplicationExists,
JujuInvalidK8sConfiguration,
+ JujuError
)
from n2vc.utils import DB_DATA
from osm_common.dbbase import DbException
log: logging.Logger = None,
db: dict = None,
n2vc: N2VCConnector = None,
- apt_mirror: str = None,
- enable_os_upgrade: bool = True,
+ model_config: ModelConfig = {},
):
"""
Constructor
self.n2vc = n2vc
# Generate config for models
- self.model_config = {}
- if apt_mirror:
- self.model_config["apt-mirror"] = apt_mirror
- self.model_config["enable-os-refresh-update"] = enable_os_upgrade
- self.model_config["enable-os-upgrade"] = enable_os_upgrade
+ self.model_config = model_config
self.loop.set_exception_handler(self.handle_exception)
self.creating_model = asyncio.Lock(loop=self.loop)
- self.models = set()
self.log.debug("Libjuju initialized!")
self.health_check_task = self._create_health_check_task()
def _create_health_check_task(self):
return self.loop.create_task(self.health_check())
- async def get_controller(self, timeout: float = 5.0) -> Controller:
+ async def get_controller(self, timeout: float = 15.0) -> Controller:
"""
Get controller
controller = await self.get_controller()
model = None
try:
- # Raise exception if model already exists
- if await self.model_exists(model_name, controller=controller):
- raise JujuModelAlreadyExists(
- "Model {} already exists.".format(model_name)
- )
-
# Block until other workers have finished model creation
while self.creating_model.locked():
await asyncio.sleep(0.1)
- # If the model exists, return it from the controller
- if model_name in self.models:
- return
-
# Create the model
async with self.creating_model:
+ if await self.model_exists(model_name, controller=controller):
+ return
self.log.debug("Creating model {}".format(model_name))
model = await controller.add_model(
model_name,
cloud_name=cloud_name,
credential_name=credential_name or cloud_name,
)
- self.models.add(model_name)
finally:
if model:
await self.disconnect_model(model)
await self.disconnect_controller(controller)
+ async def get_executed_actions(self, model_name: str) -> list:
+ """
+ Get executed/history of actions for a model.
+
+ :param: model_name: Model name, str.
+ :return: List of executed actions for a model.
+ """
+ model = None
+ executed_actions = []
+ controller = await self.get_controller()
+ try:
+ model = await self.get_model(controller, model_name)
+ # Get all unique action names
+ actions = {}
+ for application in model.applications:
+ application_actions = await self.get_actions(application, model_name)
+ actions.update(application_actions)
+ # Get status of all actions
+ for application_action in actions:
+ app_action_status_list = await model.get_action_status(name=application_action)
+ for action_id, action_status in app_action_status_list.items():
+ executed_action = {"id": action_id, "action": application_action,
+ "status": action_status}
+ # Get action output by id
+ action_status = await model.get_action_output(executed_action["id"])
+ for k, v in action_status.items():
+ executed_action[k] = v
+ executed_actions.append(executed_action)
+ except Exception as e:
+ raise JujuError("Error in getting executed actions for model: {}. Error: {}"
+ .format(model_name, str(e)))
+ finally:
+ if model:
+ await self.disconnect_model(model)
+ await self.disconnect_controller(controller)
+ return executed_actions
+
+ async def get_application_configs(self, model_name: str, application_name: str) -> dict:
+ """
+ Get available configs for an application.
+
+ :param: model_name: Model name, str.
+ :param: application_name: Application name, str.
+
+ :return: A dict which has key - action name, value - action description
+ """
+ model = None
+ application_configs = {}
+ controller = await self.get_controller()
+ try:
+ model = await self.get_model(controller, model_name)
+ application = self._get_application(model, application_name=application_name)
+ application_configs = await application.get_config()
+ except Exception as e:
+ raise JujuError("Error in getting configs for application: {} in model: {}. Error: {}"
+ .format(application_name, model_name, str(e)))
+ finally:
+ if model:
+ await self.disconnect_model(model)
+ await self.disconnect_controller(controller)
+ return application_configs
+
async def get_model(
self, controller: Controller, model_name: str, id=None
) -> Model:
"""
controller = await self.get_controller()
- model = await self.get_model(controller, model_name)
+ model = None
try:
+ if not await self.model_exists(model_name, controller=controller):
+ return
+
+ model = await self.get_model(controller, model_name)
self.log.debug("Destroying model {}".format(model_name))
uuid = model.info.uuid
# Disconnect model
await self.disconnect_model(model)
- # Destroy model
- if model_name in self.models:
- self.models.remove(model_name)
-
await controller.destroy_model(uuid, force=True, max_wait=0)
# Wait until model is destroyed
raise Exception(
"Timeout waiting for model {} to be destroyed".format(model_name)
)
+ except Exception as e:
+ if model:
+ await self.disconnect_model(model)
+ raise e
finally:
await self.disconnect_controller(controller)
- async def destroy_application(self, model: Model, application_name: str):
+ async def destroy_application(
+ self, model_name: str, application_name: str, total_timeout: float
+ ):
"""
Destroy application
- :param: model: Model object
+ :param: model_name: Model name
:param: application_name: Application name
+ :param: total_timeout: Timeout
"""
- self.log.debug(
- "Destroying application {} in model {}".format(
- application_name, model.info.name
+
+ controller = await self.get_controller()
+ model = None
+
+ try:
+ model = await self.get_model(controller, model_name)
+ self.log.debug(
+ "Destroying application {} in model {}".format(
+ application_name, model_name
+ )
)
- )
- application = model.applications.get(application_name)
- if application:
- await application.destroy()
- else:
- self.log.warning("Application not found: {}".format(application_name))
+ application = self._get_application(model, application_name)
+ if application:
+ await application.destroy()
+ else:
+ self.log.warning("Application not found: {}".format(application_name))
+
+ self.log.debug(
+ "Waiting for application {} to be destroyed in model {}...".format(
+ application_name, model_name
+ )
+ )
+ if total_timeout is None:
+ total_timeout = 3600
+ end = time.time() + total_timeout
+ while time.time() < end:
+ if not self._get_application(model, application_name):
+ self.log.debug(
+ "The application {} was destroyed in model {} ".format(
+ application_name, model_name
+ )
+ )
+ return
+ await asyncio.sleep(5)
+ raise Exception(
+ "Timeout waiting for application {} to be destroyed in model {}".format(
+ application_name, model_name
+ )
+ )
+ finally:
+ if model is not None:
+ await self.disconnect_model(model)
+ await self.disconnect_controller(controller)
async def _destroy_pending_machines(self, model: Model, only_manual: bool = False):
"""