X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FN2VC.git;a=blobdiff_plain;f=n2vc%2Flibjuju.py;h=0fb82e7d3a7c042b3aed3dc9c5d276c97a4b4790;hp=191821aea470120634a703df16ef56fc90c9480b;hb=cdf0b8e857e1373410e61bc72cd1a9f5c1ab7ca7;hpb=435b86410c96c0e034a892ac5df9ebc9547e3b7d diff --git a/n2vc/libjuju.py b/n2vc/libjuju.py index 191821a..0fb82e7 100644 --- a/n2vc/libjuju.py +++ b/n2vc/libjuju.py @@ -32,6 +32,7 @@ from juju.controller import Controller 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 @@ -40,10 +41,10 @@ from n2vc.exceptions import ( JujuApplicationNotFound, JujuLeaderUnitNotFound, JujuActionNotFound, - JujuModelAlreadyExists, JujuControllerFailedConnecting, JujuApplicationExists, JujuInvalidK8sConfiguration, + JujuError ) from n2vc.utils import DB_DATA from osm_common.dbbase import DbException @@ -64,8 +65,7 @@ class Libjuju: log: logging.Logger = None, db: dict = None, n2vc: N2VCConnector = None, - apt_mirror: str = None, - enable_os_upgrade: bool = True, + model_config: ModelConfig = {}, ): """ Constructor @@ -100,16 +100,11 @@ class Libjuju: 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() @@ -187,22 +182,14 @@ class Libjuju: 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, @@ -210,12 +197,73 @@ class Libjuju: 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: @@ -856,6 +904,9 @@ class Libjuju: controller = await self.get_controller() 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 @@ -867,10 +918,6 @@ class Libjuju: # 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