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# Copyright 2020 Canonical Ltd. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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|
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import asyncio |
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import logging |
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import typing |
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|
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import time |
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|
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import juju.errors |
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from juju.model import Model |
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from juju.machine import Machine |
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from juju.application import Application |
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from juju.unit import Unit |
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from juju.client._definitions import ( |
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FullStatus, |
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QueryApplicationOffersResults, |
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Cloud, |
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CloudCredential, |
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) |
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from juju.controller import Controller |
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from juju.client import client |
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from juju import tag |
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|
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from n2vc.definitions import Offer, RelationEndpoint |
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from n2vc.juju_watcher import JujuModelWatcher |
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from n2vc.provisioner import AsyncSSHProvisioner |
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from n2vc.n2vc_conn import N2VCConnector |
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from n2vc.exceptions import ( |
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JujuMachineNotFound, |
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JujuApplicationNotFound, |
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JujuLeaderUnitNotFound, |
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JujuActionNotFound, |
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JujuControllerFailedConnecting, |
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JujuApplicationExists, |
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JujuInvalidK8sConfiguration, |
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JujuError, |
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) |
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from n2vc.vca.cloud import Cloud as VcaCloud |
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from n2vc.vca.connection import Connection |
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from kubernetes.client.configuration import Configuration |
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from retrying_async import retry |
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RBAC_LABEL_KEY_NAME = "rbac-id" |
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class Libjuju: |
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def __init__( |
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self, |
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vca_connection: Connection, |
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loop: asyncio.AbstractEventLoop = None, |
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log: logging.Logger = None, |
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n2vc: N2VCConnector = None, |
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): |
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""" |
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Constructor |
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:param: vca_connection: n2vc.vca.connection object |
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:param: loop: Asyncio loop |
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:param: log: Logger |
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:param: n2vc: N2VC object |
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""" |
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|
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self.log = log or logging.getLogger("Libjuju") |
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self.n2vc = n2vc |
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self.vca_connection = vca_connection |
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|
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self.loop = loop or asyncio.get_event_loop() |
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self.loop.set_exception_handler(self.handle_exception) |
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self.creating_model = asyncio.Lock(loop=self.loop) |
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|
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if self.vca_connection.is_default: |
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self.health_check_task = self._create_health_check_task() |
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|
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def _create_health_check_task(self): |
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return self.loop.create_task(self.health_check()) |
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|
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async def get_controller(self, timeout: float = 60.0) -> Controller: |
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""" |
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Get controller |
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:param: timeout: Time in seconds to wait for controller to connect |
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""" |
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controller = None |
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try: |
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controller = Controller() |
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await asyncio.wait_for( |
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controller.connect( |
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endpoint=self.vca_connection.data.endpoints, |
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username=self.vca_connection.data.user, |
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password=self.vca_connection.data.secret, |
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cacert=self.vca_connection.data.cacert, |
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), |
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timeout=timeout, |
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) |
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if self.vca_connection.is_default: |
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endpoints = await controller.api_endpoints |
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if not all( |
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endpoint in self.vca_connection.endpoints for endpoint in endpoints |
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): |
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await self.vca_connection.update_endpoints(endpoints) |
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return controller |
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except asyncio.CancelledError as e: |
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raise e |
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except Exception as e: |
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self.log.error( |
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"Failed connecting to controller: {}... {}".format( |
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self.vca_connection.data.endpoints, e |
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) |
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) |
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if controller: |
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await self.disconnect_controller(controller) |
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|
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raise JujuControllerFailedConnecting( |
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f"Error connecting to Juju controller: {e}" |
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) |
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|
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async def disconnect(self): |
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"""Disconnect""" |
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# Cancel health check task |
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self.health_check_task.cancel() |
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self.log.debug("Libjuju disconnected!") |
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async def disconnect_model(self, model: Model): |
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""" |
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Disconnect model |
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:param: model: Model that will be disconnected |
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""" |
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await model.disconnect() |
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async def disconnect_controller(self, controller: Controller): |
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""" |
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Disconnect controller |
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:param: controller: Controller that will be disconnected |
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""" |
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if controller: |
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await controller.disconnect() |
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|
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@retry(attempts=3, delay=5, timeout=None) |
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async def add_model(self, model_name: str, cloud: VcaCloud): |
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""" |
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Create model |
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:param: model_name: Model name |
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:param: cloud: Cloud object |
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""" |
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# Get controller |
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controller = await self.get_controller() |
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model = None |
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try: |
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# Block until other workers have finished model creation |
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while self.creating_model.locked(): |
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await asyncio.sleep(0.1) |
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|
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# Create the model |
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async with self.creating_model: |
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if await self.model_exists(model_name, controller=controller): |
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return |
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self.log.debug("Creating model {}".format(model_name)) |
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model = await controller.add_model( |
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model_name, |
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config=self.vca_connection.data.model_config, |
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cloud_name=cloud.name, |
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credential_name=cloud.credential_name, |
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) |
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except juju.errors.JujuAPIError as e: |
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if "already exists" in e.message: |
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pass |
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else: |
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raise e |
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finally: |
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if model: |
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await self.disconnect_model(model) |
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await self.disconnect_controller(controller) |
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|
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async def get_executed_actions(self, model_name: str) -> list: |
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""" |
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Get executed/history of actions for a model. |
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:param: model_name: Model name, str. |
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:return: List of executed actions for a model. |
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""" |
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model = None |
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executed_actions = [] |
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controller = await self.get_controller() |
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try: |
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model = await self.get_model(controller, model_name) |
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# Get all unique action names |
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actions = {} |
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for application in model.applications: |
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application_actions = await self.get_actions(application, model_name) |
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actions.update(application_actions) |
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# Get status of all actions |
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for application_action in actions: |
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app_action_status_list = await model.get_action_status( |
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name=application_action |
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) |
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for action_id, action_status in app_action_status_list.items(): |
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executed_action = { |
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"id": action_id, |
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"action": application_action, |
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"status": action_status, |
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} |
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# Get action output by id |
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action_status = await model.get_action_output(executed_action["id"]) |
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for k, v in action_status.items(): |
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executed_action[k] = v |
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executed_actions.append(executed_action) |
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except Exception as e: |
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raise JujuError( |
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"Error in getting executed actions for model: {}. Error: {}".format( |
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model_name, str(e) |
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) |
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) |
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finally: |
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if model: |
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await self.disconnect_model(model) |
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await self.disconnect_controller(controller) |
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return executed_actions |
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|
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async def get_application_configs( |
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self, model_name: str, application_name: str |
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) -> dict: |
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""" |
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Get available configs for an application. |
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:param: model_name: Model name, str. |
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:param: application_name: Application name, str. |
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:return: A dict which has key - action name, value - action description |
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""" |
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model = None |
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application_configs = {} |
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controller = await self.get_controller() |
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try: |
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model = await self.get_model(controller, model_name) |
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application = self._get_application( |
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model, application_name=application_name |
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) |
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application_configs = await application.get_config() |
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except Exception as e: |
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raise JujuError( |
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"Error in getting configs for application: {} in model: {}. Error: {}".format( |
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application_name, model_name, str(e) |
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) |
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) |
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finally: |
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if model: |
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await self.disconnect_model(model) |
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await self.disconnect_controller(controller) |
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return application_configs |
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|
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@retry(attempts=3, delay=5) |
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async def get_model(self, controller: Controller, model_name: str) -> Model: |
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""" |
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Get model from controller |
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:param: controller: Controller |
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:param: model_name: Model name |
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:return: Model: The created Juju model object |
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""" |
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return await controller.get_model(model_name) |
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|
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async def model_exists( |
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self, model_name: str, controller: Controller = None |
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) -> bool: |
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""" |
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Check if model exists |
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:param: controller: Controller |
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:param: model_name: Model name |
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:return bool |
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""" |
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need_to_disconnect = False |
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|
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# Get controller if not passed |
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if not controller: |
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controller = await self.get_controller() |
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need_to_disconnect = True |
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|
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# Check if model exists |
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try: |
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return model_name in await controller.list_models() |
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finally: |
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if need_to_disconnect: |
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await self.disconnect_controller(controller) |
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|
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async def models_exist(self, model_names: [str]) -> (bool, list): |
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""" |
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Check if models exists |
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:param: model_names: List of strings with model names |
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|
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:return (bool, list[str]): (True if all models exists, List of model names that don't exist) |
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""" |
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if not model_names: |
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raise Exception( |
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"model_names must be a non-empty array. Given value: {}".format( |
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model_names |
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) |
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) |
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non_existing_models = [] |
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models = await self.list_models() |
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existing_models = list(set(models).intersection(model_names)) |
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non_existing_models = list(set(model_names) - set(existing_models)) |
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|
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return ( |
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len(non_existing_models) == 0, |
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non_existing_models, |
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) |
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|
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async def get_model_status(self, model_name: str) -> FullStatus: |
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""" |
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Get model status |
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:param: model_name: Model name |
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:return: Full status object |
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""" |
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controller = await self.get_controller() |
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model = await self.get_model(controller, model_name) |
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try: |
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return await model.get_status() |
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finally: |
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await self.disconnect_model(model) |
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await self.disconnect_controller(controller) |
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|
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async def create_machine( |
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self, |
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model_name: str, |
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machine_id: str = None, |
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db_dict: dict = None, |
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progress_timeout: float = None, |
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total_timeout: float = None, |
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series: str = "bionic", |
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wait: bool = True, |
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) -> (Machine, bool): |
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""" |
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Create machine |
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|
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:param: model_name: Model name |
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:param: machine_id: Machine id |
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:param: db_dict: Dictionary with data of the DB to write the updates |
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:param: progress_timeout: Maximum time between two updates in the model |
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:param: total_timeout: Timeout for the entity to be active |
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:param: series: Series of the machine (xenial, bionic, focal, ...) |
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:param: wait: Wait until machine is ready |
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|
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:return: (juju.machine.Machine, bool): Machine object and a boolean saying |
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if the machine is new or it already existed |
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""" |
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new = False |
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machine = None |
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|
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self.log.debug( |
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"Creating machine (id={}) in model: {}".format(machine_id, model_name) |
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) |
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|
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# Get controller |
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controller = await self.get_controller() |
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|
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# Get model |
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model = await self.get_model(controller, model_name) |
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try: |
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if machine_id is not None: |
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self.log.debug( |
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"Searching machine (id={}) in model {}".format( |
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machine_id, model_name |
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) |
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) |
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|
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# Get machines from model and get the machine with machine_id if exists |
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machines = await model.get_machines() |
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if machine_id in machines: |
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self.log.debug( |
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"Machine (id={}) found in model {}".format( |
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machine_id, model_name |
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) |
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) |
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machine = machines[machine_id] |
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else: |
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raise JujuMachineNotFound("Machine {} not found".format(machine_id)) |
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|
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if machine is None: |
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self.log.debug("Creating a new machine in model {}".format(model_name)) |
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|
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# Create machine |
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machine = await model.add_machine( |
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spec=None, constraints=None, disks=None, series=series |
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) |
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new = True |
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|
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# Wait until the machine is ready |
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self.log.debug( |
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"Wait until machine {} is ready in model {}".format( |
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machine.entity_id, model_name |
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) |
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) |
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if wait: |
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await JujuModelWatcher.wait_for( |
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model=model, |
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entity=machine, |
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progress_timeout=progress_timeout, |
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total_timeout=total_timeout, |
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db_dict=db_dict, |
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n2vc=self.n2vc, |
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vca_id=self.vca_connection._vca_id, |
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) |
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finally: |
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await self.disconnect_model(model) |
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await self.disconnect_controller(controller) |
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|
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self.log.debug( |
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"Machine {} ready at {} in model {}".format( |
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machine.entity_id, machine.dns_name, model_name |
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) |
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) |
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return machine, new |
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|
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async def provision_machine( |
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self, |
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model_name: str, |
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hostname: str, |
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username: str, |
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private_key_path: str, |
| 443 |
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db_dict: dict = None, |
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progress_timeout: float = None, |
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total_timeout: float = None, |
| 446 |
|
) -> str: |
| 447 |
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""" |
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|
Manually provisioning of a machine |
| 449 |
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|
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:param: model_name: Model name |
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:param: hostname: IP to access the machine |
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:param: username: Username to login to the machine |
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|
:param: private_key_path: Local path for the private key |
| 454 |
|
:param: db_dict: Dictionary with data of the DB to write the updates |
| 455 |
|
:param: progress_timeout: Maximum time between two updates in the model |
| 456 |
|
:param: total_timeout: Timeout for the entity to be active |
| 457 |
|
|
| 458 |
|
:return: (Entity): Machine id |
| 459 |
|
""" |
| 460 |
0 |
self.log.debug( |
| 461 |
|
"Provisioning machine. model: {}, hostname: {}, username: {}".format( |
| 462 |
|
model_name, hostname, username |
| 463 |
|
) |
| 464 |
|
) |
| 465 |
|
|
| 466 |
|
# Get controller |
| 467 |
0 |
controller = await self.get_controller() |
| 468 |
|
|
| 469 |
|
# Get model |
| 470 |
0 |
model = await self.get_model(controller, model_name) |
| 471 |
|
|
| 472 |
0 |
try: |
| 473 |
|
# Get provisioner |
| 474 |
0 |
provisioner = AsyncSSHProvisioner( |
| 475 |
|
host=hostname, |
| 476 |
|
user=username, |
| 477 |
|
private_key_path=private_key_path, |
| 478 |
|
log=self.log, |
| 479 |
|
) |
| 480 |
|
|
| 481 |
|
# Provision machine |
| 482 |
0 |
params = await provisioner.provision_machine() |
| 483 |
|
|
| 484 |
0 |
params.jobs = ["JobHostUnits"] |
| 485 |
|
|
| 486 |
0 |
self.log.debug("Adding machine to model") |
| 487 |
0 |
connection = model.connection() |
| 488 |
0 |
client_facade = client.ClientFacade.from_connection(connection) |
| 489 |
|
|
| 490 |
0 |
results = await client_facade.AddMachines(params=[params]) |
| 491 |
0 |
error = results.machines[0].error |
| 492 |
|
|
| 493 |
0 |
if error: |
| 494 |
0 |
msg = "Error adding machine: {}".format(error.message) |
| 495 |
0 |
self.log.error(msg=msg) |
| 496 |
0 |
raise ValueError(msg) |
| 497 |
|
|
| 498 |
0 |
machine_id = results.machines[0].machine |
| 499 |
|
|
| 500 |
0 |
self.log.debug("Installing Juju agent into machine {}".format(machine_id)) |
| 501 |
0 |
asyncio.ensure_future( |
| 502 |
|
provisioner.install_agent( |
| 503 |
|
connection=connection, |
| 504 |
|
nonce=params.nonce, |
| 505 |
|
machine_id=machine_id, |
| 506 |
|
proxy=self.vca_connection.data.api_proxy, |
| 507 |
|
series=params.series, |
| 508 |
|
) |
| 509 |
|
) |
| 510 |
|
|
| 511 |
0 |
machine = None |
| 512 |
0 |
for _ in range(10): |
| 513 |
0 |
machine_list = await model.get_machines() |
| 514 |
0 |
if machine_id in machine_list: |
| 515 |
0 |
self.log.debug("Machine {} found in model!".format(machine_id)) |
| 516 |
0 |
machine = model.machines.get(machine_id) |
| 517 |
0 |
break |
| 518 |
0 |
await asyncio.sleep(2) |
| 519 |
|
|
| 520 |
0 |
if machine is None: |
| 521 |
0 |
msg = "Machine {} not found in model".format(machine_id) |
| 522 |
0 |
self.log.error(msg=msg) |
| 523 |
0 |
raise JujuMachineNotFound(msg) |
| 524 |
|
|
| 525 |
0 |
self.log.debug( |
| 526 |
|
"Wait until machine {} is ready in model {}".format( |
| 527 |
|
machine.entity_id, model_name |
| 528 |
|
) |
| 529 |
|
) |
| 530 |
0 |
await JujuModelWatcher.wait_for( |
| 531 |
|
model=model, |
| 532 |
|
entity=machine, |
| 533 |
|
progress_timeout=progress_timeout, |
| 534 |
|
total_timeout=total_timeout, |
| 535 |
|
db_dict=db_dict, |
| 536 |
|
n2vc=self.n2vc, |
| 537 |
|
vca_id=self.vca_connection._vca_id, |
| 538 |
|
) |
| 539 |
0 |
except Exception as e: |
| 540 |
0 |
raise e |
| 541 |
|
finally: |
| 542 |
0 |
await self.disconnect_model(model) |
| 543 |
0 |
await self.disconnect_controller(controller) |
| 544 |
|
|
| 545 |
0 |
self.log.debug( |
| 546 |
|
"Machine provisioned {} in model {}".format(machine_id, model_name) |
| 547 |
|
) |
| 548 |
|
|
| 549 |
0 |
return machine_id |
| 550 |
|
|
| 551 |
1 |
async def deploy( |
| 552 |
|
self, uri: str, model_name: str, wait: bool = True, timeout: float = 3600 |
| 553 |
|
): |
| 554 |
|
""" |
| 555 |
|
Deploy bundle or charm: Similar to the juju CLI command `juju deploy` |
| 556 |
|
|
| 557 |
|
:param: uri: Path or Charm Store uri in which the charm or bundle can be found |
| 558 |
|
:param: model_name: Model name |
| 559 |
|
:param: wait: Indicates whether to wait or not until all applications are active |
| 560 |
|
:param: timeout: Time in seconds to wait until all applications are active |
| 561 |
|
""" |
| 562 |
1 |
controller = await self.get_controller() |
| 563 |
1 |
model = await self.get_model(controller, model_name) |
| 564 |
1 |
try: |
| 565 |
1 |
await model.deploy(uri, trust=True) |
| 566 |
1 |
if wait: |
| 567 |
1 |
await JujuModelWatcher.wait_for_model(model, timeout=timeout) |
| 568 |
1 |
self.log.debug("All units active in model {}".format(model_name)) |
| 569 |
|
finally: |
| 570 |
1 |
await self.disconnect_model(model) |
| 571 |
1 |
await self.disconnect_controller(controller) |
| 572 |
|
|
| 573 |
1 |
async def add_unit( |
| 574 |
|
self, |
| 575 |
|
application_name: str, |
| 576 |
|
model_name: str, |
| 577 |
|
machine_id: str, |
| 578 |
|
db_dict: dict = None, |
| 579 |
|
progress_timeout: float = None, |
| 580 |
|
total_timeout: float = None, |
| 581 |
|
): |
| 582 |
|
"""Add unit |
| 583 |
|
|
| 584 |
|
:param: application_name: Application name |
| 585 |
|
:param: model_name: Model name |
| 586 |
|
:param: machine_id Machine id |
| 587 |
|
:param: db_dict: Dictionary with data of the DB to write the updates |
| 588 |
|
:param: progress_timeout: Maximum time between two updates in the model |
| 589 |
|
:param: total_timeout: Timeout for the entity to be active |
| 590 |
|
|
| 591 |
|
:return: None |
| 592 |
|
""" |
| 593 |
|
|
| 594 |
1 |
model = None |
| 595 |
1 |
controller = await self.get_controller() |
| 596 |
1 |
try: |
| 597 |
1 |
model = await self.get_model(controller, model_name) |
| 598 |
1 |
application = self._get_application(model, application_name) |
| 599 |
|
|
| 600 |
1 |
if application is not None: |
| 601 |
|
# Checks if the given machine id in the model, |
| 602 |
|
# otherwise function raises an error |
| 603 |
1 |
_machine, _series = self._get_machine_info(model, machine_id) |
| 604 |
|
|
| 605 |
1 |
self.log.debug( |
| 606 |
|
"Adding unit (machine {}) to application {} in model ~{}".format( |
| 607 |
|
machine_id, application_name, model_name |
| 608 |
|
) |
| 609 |
|
) |
| 610 |
|
|
| 611 |
1 |
await application.add_unit(to=machine_id) |
| 612 |
|
|
| 613 |
1 |
await JujuModelWatcher.wait_for( |
| 614 |
|
model=model, |
| 615 |
|
entity=application, |
| 616 |
|
progress_timeout=progress_timeout, |
| 617 |
|
total_timeout=total_timeout, |
| 618 |
|
db_dict=db_dict, |
| 619 |
|
n2vc=self.n2vc, |
| 620 |
|
vca_id=self.vca_connection._vca_id, |
| 621 |
|
) |
| 622 |
1 |
self.log.debug( |
| 623 |
|
"Unit is added to application {} in model {}".format( |
| 624 |
|
application_name, model_name |
| 625 |
|
) |
| 626 |
|
) |
| 627 |
|
else: |
| 628 |
1 |
raise JujuApplicationNotFound( |
| 629 |
|
"Application {} not exists".format(application_name) |
| 630 |
|
) |
| 631 |
|
finally: |
| 632 |
1 |
if model: |
| 633 |
1 |
await self.disconnect_model(model) |
| 634 |
1 |
await self.disconnect_controller(controller) |
| 635 |
|
|
| 636 |
1 |
async def destroy_unit( |
| 637 |
|
self, |
| 638 |
|
application_name: str, |
| 639 |
|
model_name: str, |
| 640 |
|
machine_id: str, |
| 641 |
|
total_timeout: float = None, |
| 642 |
|
): |
| 643 |
|
"""Destroy unit |
| 644 |
|
|
| 645 |
|
:param: application_name: Application name |
| 646 |
|
:param: model_name: Model name |
| 647 |
|
:param: machine_id Machine id |
| 648 |
|
:param: total_timeout: Timeout for the entity to be active |
| 649 |
|
|
| 650 |
|
:return: None |
| 651 |
|
""" |
| 652 |
|
|
| 653 |
1 |
model = None |
| 654 |
1 |
controller = await self.get_controller() |
| 655 |
1 |
try: |
| 656 |
1 |
model = await self.get_model(controller, model_name) |
| 657 |
1 |
application = self._get_application(model, application_name) |
| 658 |
|
|
| 659 |
1 |
if application is None: |
| 660 |
1 |
raise JujuApplicationNotFound( |
| 661 |
|
"Application not found: {} (model={})".format( |
| 662 |
|
application_name, model_name |
| 663 |
|
) |
| 664 |
|
) |
| 665 |
|
|
| 666 |
1 |
unit = self._get_unit(application, machine_id) |
| 667 |
1 |
if not unit: |
| 668 |
1 |
raise JujuError( |
| 669 |
|
"A unit with machine id {} not in available units".format( |
| 670 |
|
machine_id |
| 671 |
|
) |
| 672 |
|
) |
| 673 |
|
|
| 674 |
1 |
unit_name = unit.name |
| 675 |
|
|
| 676 |
1 |
self.log.debug( |
| 677 |
|
"Destroying unit {} from application {} in model {}".format( |
| 678 |
|
unit_name, application_name, model_name |
| 679 |
|
) |
| 680 |
|
) |
| 681 |
1 |
await application.destroy_unit(unit_name) |
| 682 |
|
|
| 683 |
1 |
self.log.debug( |
| 684 |
|
"Waiting for unit {} to be destroyed in application {} (model={})...".format( |
| 685 |
|
unit_name, application_name, model_name |
| 686 |
|
) |
| 687 |
|
) |
| 688 |
|
|
| 689 |
|
# TODO: Add functionality in the Juju watcher to replace this kind of blocks |
| 690 |
1 |
if total_timeout is None: |
| 691 |
0 |
total_timeout = 3600 |
| 692 |
1 |
end = time.time() + total_timeout |
| 693 |
1 |
while time.time() < end: |
| 694 |
0 |
if not self._get_unit(application, machine_id): |
| 695 |
0 |
self.log.debug( |
| 696 |
|
"The unit {} was destroyed in application {} (model={}) ".format( |
| 697 |
|
unit_name, application_name, model_name |
| 698 |
|
) |
| 699 |
|
) |
| 700 |
0 |
return |
| 701 |
0 |
await asyncio.sleep(5) |
| 702 |
1 |
self.log.debug( |
| 703 |
|
"Unit {} is destroyed from application {} in model {}".format( |
| 704 |
|
unit_name, application_name, model_name |
| 705 |
|
) |
| 706 |
|
) |
| 707 |
|
finally: |
| 708 |
1 |
if model: |
| 709 |
1 |
await self.disconnect_model(model) |
| 710 |
1 |
await self.disconnect_controller(controller) |
| 711 |
|
|
| 712 |
1 |
async def deploy_charm( |
| 713 |
|
self, |
| 714 |
|
application_name: str, |
| 715 |
|
path: str, |
| 716 |
|
model_name: str, |
| 717 |
|
machine_id: str, |
| 718 |
|
db_dict: dict = None, |
| 719 |
|
progress_timeout: float = None, |
| 720 |
|
total_timeout: float = None, |
| 721 |
|
config: dict = None, |
| 722 |
|
series: str = None, |
| 723 |
|
num_units: int = 1, |
| 724 |
|
): |
| 725 |
|
"""Deploy charm |
| 726 |
|
|
| 727 |
|
:param: application_name: Application name |
| 728 |
|
:param: path: Local path to the charm |
| 729 |
|
:param: model_name: Model name |
| 730 |
|
:param: machine_id ID of the machine |
| 731 |
|
:param: db_dict: Dictionary with data of the DB to write the updates |
| 732 |
|
:param: progress_timeout: Maximum time between two updates in the model |
| 733 |
|
:param: total_timeout: Timeout for the entity to be active |
| 734 |
|
:param: config: Config for the charm |
| 735 |
|
:param: series: Series of the charm |
| 736 |
|
:param: num_units: Number of units |
| 737 |
|
|
| 738 |
|
:return: (juju.application.Application): Juju application |
| 739 |
|
""" |
| 740 |
1 |
self.log.debug( |
| 741 |
|
"Deploying charm {} to machine {} in model ~{}".format( |
| 742 |
|
application_name, machine_id, model_name |
| 743 |
|
) |
| 744 |
|
) |
| 745 |
1 |
self.log.debug("charm: {}".format(path)) |
| 746 |
|
|
| 747 |
|
# Get controller |
| 748 |
1 |
controller = await self.get_controller() |
| 749 |
|
|
| 750 |
|
# Get model |
| 751 |
1 |
model = await self.get_model(controller, model_name) |
| 752 |
|
|
| 753 |
1 |
try: |
| 754 |
1 |
if application_name not in model.applications: |
| 755 |
1 |
if machine_id is not None: |
| 756 |
1 |
machine, series = self._get_machine_info(model, machine_id) |
| 757 |
|
|
| 758 |
1 |
application = await model.deploy( |
| 759 |
|
entity_url=path, |
| 760 |
|
application_name=application_name, |
| 761 |
|
channel="stable", |
| 762 |
|
num_units=1, |
| 763 |
|
series=series, |
| 764 |
|
to=machine_id, |
| 765 |
|
config=config, |
| 766 |
|
) |
| 767 |
|
|
| 768 |
1 |
self.log.debug( |
| 769 |
|
"Wait until application {} is ready in model {}".format( |
| 770 |
|
application_name, model_name |
| 771 |
|
) |
| 772 |
|
) |
| 773 |
1 |
if num_units > 1: |
| 774 |
1 |
for _ in range(num_units - 1): |
| 775 |
1 |
m, _ = await self.create_machine(model_name, wait=False) |
| 776 |
1 |
await application.add_unit(to=m.entity_id) |
| 777 |
|
|
| 778 |
1 |
await JujuModelWatcher.wait_for( |
| 779 |
|
model=model, |
| 780 |
|
entity=application, |
| 781 |
|
progress_timeout=progress_timeout, |
| 782 |
|
total_timeout=total_timeout, |
| 783 |
|
db_dict=db_dict, |
| 784 |
|
n2vc=self.n2vc, |
| 785 |
|
vca_id=self.vca_connection._vca_id, |
| 786 |
|
) |
| 787 |
1 |
self.log.debug( |
| 788 |
|
"Application {} is ready in model {}".format( |
| 789 |
|
application_name, model_name |
| 790 |
|
) |
| 791 |
|
) |
| 792 |
|
else: |
| 793 |
1 |
raise JujuApplicationExists( |
| 794 |
|
"Application {} exists".format(application_name) |
| 795 |
|
) |
| 796 |
1 |
except juju.errors.JujuError as e: |
| 797 |
0 |
if "already exists" in e.message: |
| 798 |
0 |
raise JujuApplicationExists( |
| 799 |
|
"Application {} exists".format(application_name) |
| 800 |
|
) |
| 801 |
|
else: |
| 802 |
0 |
raise e |
| 803 |
|
finally: |
| 804 |
1 |
await self.disconnect_model(model) |
| 805 |
1 |
await self.disconnect_controller(controller) |
| 806 |
|
|
| 807 |
1 |
return application |
| 808 |
|
|
| 809 |
1 |
async def upgrade_charm( |
| 810 |
|
self, |
| 811 |
|
application_name: str, |
| 812 |
|
path: str, |
| 813 |
|
model_name: str, |
| 814 |
|
total_timeout: float = None, |
| 815 |
|
**kwargs, |
| 816 |
|
): |
| 817 |
|
"""Upgrade Charm |
| 818 |
|
|
| 819 |
|
:param: application_name: Application name |
| 820 |
|
:param: model_name: Model name |
| 821 |
|
:param: path: Local path to the charm |
| 822 |
|
:param: total_timeout: Timeout for the entity to be active |
| 823 |
|
|
| 824 |
|
:return: (str, str): (output and status) |
| 825 |
|
""" |
| 826 |
|
|
| 827 |
0 |
self.log.debug( |
| 828 |
|
"Upgrading charm {} in model {} from path {}".format( |
| 829 |
|
application_name, model_name, path |
| 830 |
|
) |
| 831 |
|
) |
| 832 |
|
|
| 833 |
0 |
await self.resolve_application( |
| 834 |
|
model_name=model_name, application_name=application_name |
| 835 |
|
) |
| 836 |
|
|
| 837 |
|
# Get controller |
| 838 |
0 |
controller = await self.get_controller() |
| 839 |
|
|
| 840 |
|
# Get model |
| 841 |
0 |
model = await self.get_model(controller, model_name) |
| 842 |
|
|
| 843 |
0 |
try: |
| 844 |
|
# Get application |
| 845 |
0 |
application = self._get_application( |
| 846 |
|
model, |
| 847 |
|
application_name=application_name, |
| 848 |
|
) |
| 849 |
0 |
if application is None: |
| 850 |
0 |
raise JujuApplicationNotFound( |
| 851 |
|
"Cannot find application {} to upgrade".format(application_name) |
| 852 |
|
) |
| 853 |
|
|
| 854 |
0 |
await application.refresh(path=path) |
| 855 |
|
|
| 856 |
0 |
self.log.debug( |
| 857 |
|
"Wait until charm upgrade is completed for application {} (model={})".format( |
| 858 |
|
application_name, model_name |
| 859 |
|
) |
| 860 |
|
) |
| 861 |
|
|
| 862 |
0 |
await JujuModelWatcher.ensure_units_idle( |
| 863 |
|
model=model, application=application |
| 864 |
|
) |
| 865 |
|
|
| 866 |
0 |
if application.status == "error": |
| 867 |
0 |
error_message = "Unknown" |
| 868 |
0 |
for unit in application.units: |
| 869 |
0 |
if ( |
| 870 |
|
unit.workload_status == "error" |
| 871 |
|
and unit.workload_status_message != "" |
| 872 |
|
): |
| 873 |
0 |
error_message = unit.workload_status_message |
| 874 |
|
|
| 875 |
0 |
message = "Application {} failed update in {}: {}".format( |
| 876 |
|
application_name, model_name, error_message |
| 877 |
|
) |
| 878 |
0 |
self.log.error(message) |
| 879 |
0 |
raise JujuError(message=message) |
| 880 |
|
|
| 881 |
0 |
self.log.debug( |
| 882 |
|
"Application {} is ready in model {}".format( |
| 883 |
|
application_name, model_name |
| 884 |
|
) |
| 885 |
|
) |
| 886 |
|
|
| 887 |
|
finally: |
| 888 |
0 |
await self.disconnect_model(model) |
| 889 |
0 |
await self.disconnect_controller(controller) |
| 890 |
|
|
| 891 |
0 |
return application |
| 892 |
|
|
| 893 |
1 |
async def resolve_application(self, model_name: str, application_name: str): |
| 894 |
0 |
controller = await self.get_controller() |
| 895 |
0 |
model = await self.get_model(controller, model_name) |
| 896 |
|
|
| 897 |
0 |
try: |
| 898 |
0 |
application = self._get_application( |
| 899 |
|
model, |
| 900 |
|
application_name=application_name, |
| 901 |
|
) |
| 902 |
0 |
if application is None: |
| 903 |
0 |
raise JujuApplicationNotFound( |
| 904 |
|
"Cannot find application {} to resolve".format(application_name) |
| 905 |
|
) |
| 906 |
|
|
| 907 |
0 |
while application.status == "error": |
| 908 |
0 |
for unit in application.units: |
| 909 |
0 |
if unit.workload_status == "error": |
| 910 |
0 |
self.log.debug( |
| 911 |
|
"Model {}, Application {}, Unit {} in error state, resolving".format( |
| 912 |
|
model_name, application_name, unit.entity_id |
| 913 |
|
) |
| 914 |
|
) |
| 915 |
0 |
try: |
| 916 |
0 |
await unit.resolved(retry=False) |
| 917 |
0 |
except Exception: |
| 918 |
0 |
pass |
| 919 |
|
|
| 920 |
0 |
await asyncio.sleep(1) |
| 921 |
|
|
| 922 |
|
finally: |
| 923 |
0 |
await self.disconnect_model(model) |
| 924 |
0 |
await self.disconnect_controller(controller) |
| 925 |
|
|
| 926 |
1 |
async def resolve(self, model_name: str): |
| 927 |
0 |
controller = await self.get_controller() |
| 928 |
0 |
model = await self.get_model(controller, model_name) |
| 929 |
0 |
all_units_active = False |
| 930 |
0 |
try: |
| 931 |
0 |
while not all_units_active: |
| 932 |
0 |
all_units_active = True |
| 933 |
0 |
for application_name, application in model.applications.items(): |
| 934 |
0 |
if application.status == "error": |
| 935 |
0 |
for unit in application.units: |
| 936 |
0 |
if unit.workload_status == "error": |
| 937 |
0 |
self.log.debug( |
| 938 |
|
"Model {}, Application {}, Unit {} in error state, resolving".format( |
| 939 |
|
model_name, application_name, unit.entity_id |
| 940 |
|
) |
| 941 |
|
) |
| 942 |
0 |
try: |
| 943 |
0 |
await unit.resolved(retry=False) |
| 944 |
0 |
all_units_active = False |
| 945 |
0 |
except Exception: |
| 946 |
0 |
pass |
| 947 |
|
|
| 948 |
0 |
if not all_units_active: |
| 949 |
0 |
await asyncio.sleep(5) |
| 950 |
|
finally: |
| 951 |
0 |
await self.disconnect_model(model) |
| 952 |
0 |
await self.disconnect_controller(controller) |
| 953 |
|
|
| 954 |
1 |
async def scale_application( |
| 955 |
|
self, |
| 956 |
|
model_name: str, |
| 957 |
|
application_name: str, |
| 958 |
|
scale: int = 1, |
| 959 |
|
total_timeout: float = None, |
| 960 |
|
): |
| 961 |
|
""" |
| 962 |
|
Scale application (K8s) |
| 963 |
|
|
| 964 |
|
:param: model_name: Model name |
| 965 |
|
:param: application_name: Application name |
| 966 |
|
:param: scale: Scale to which to set this application |
| 967 |
|
:param: total_timeout: Timeout for the entity to be active |
| 968 |
|
""" |
| 969 |
|
|
| 970 |
1 |
model = None |
| 971 |
1 |
controller = await self.get_controller() |
| 972 |
1 |
try: |
| 973 |
1 |
model = await self.get_model(controller, model_name) |
| 974 |
|
|
| 975 |
1 |
self.log.debug( |
| 976 |
|
"Scaling application {} in model {}".format( |
| 977 |
|
application_name, model_name |
| 978 |
|
) |
| 979 |
|
) |
| 980 |
1 |
application = self._get_application(model, application_name) |
| 981 |
1 |
if application is None: |
| 982 |
1 |
raise JujuApplicationNotFound("Cannot scale application") |
| 983 |
1 |
await application.scale(scale=scale) |
| 984 |
|
# Wait until application is scaled in model |
| 985 |
1 |
self.log.debug( |
| 986 |
|
"Waiting for application {} to be scaled in model {}...".format( |
| 987 |
|
application_name, model_name |
| 988 |
|
) |
| 989 |
|
) |
| 990 |
1 |
if total_timeout is None: |
| 991 |
1 |
total_timeout = 1800 |
| 992 |
1 |
end = time.time() + total_timeout |
| 993 |
1 |
while time.time() < end: |
| 994 |
1 |
application_scale = self._get_application_count(model, application_name) |
| 995 |
|
# Before calling wait_for_model function, |
| 996 |
|
# wait until application unit count and scale count are equal. |
| 997 |
|
# Because there is a delay before scaling triggers in Juju model. |
| 998 |
1 |
if application_scale == scale: |
| 999 |
1 |
await JujuModelWatcher.wait_for_model( |
| 1000 |
|
model=model, timeout=total_timeout |
| 1001 |
|
) |
| 1002 |
1 |
self.log.debug( |
| 1003 |
|
"Application {} is scaled in model {}".format( |
| 1004 |
|
application_name, model_name |
| 1005 |
|
) |
| 1006 |
|
) |
| 1007 |
1 |
return |
| 1008 |
0 |
await asyncio.sleep(5) |
| 1009 |
1 |
raise Exception( |
| 1010 |
|
"Timeout waiting for application {} in model {} to be scaled".format( |
| 1011 |
|
application_name, model_name |
| 1012 |
|
) |
| 1013 |
|
) |
| 1014 |
|
finally: |
| 1015 |
1 |
if model: |
| 1016 |
1 |
await self.disconnect_model(model) |
| 1017 |
1 |
await self.disconnect_controller(controller) |
| 1018 |
|
|
| 1019 |
1 |
def _get_application_count(self, model: Model, application_name: str) -> int: |
| 1020 |
|
"""Get number of units of the application |
| 1021 |
|
|
| 1022 |
|
:param: model: Model object |
| 1023 |
|
:param: application_name: Application name |
| 1024 |
|
|
| 1025 |
|
:return: int (or None if application doesn't exist) |
| 1026 |
|
""" |
| 1027 |
1 |
application = self._get_application(model, application_name) |
| 1028 |
1 |
if application is not None: |
| 1029 |
1 |
return len(application.units) |
| 1030 |
|
|
| 1031 |
1 |
def _get_application(self, model: Model, application_name: str) -> Application: |
| 1032 |
|
"""Get application |
| 1033 |
|
|
| 1034 |
|
:param: model: Model object |
| 1035 |
|
:param: application_name: Application name |
| 1036 |
|
|
| 1037 |
|
:return: juju.application.Application (or None if it doesn't exist) |
| 1038 |
|
""" |
| 1039 |
1 |
if model.applications and application_name in model.applications: |
| 1040 |
1 |
return model.applications[application_name] |
| 1041 |
|
|
| 1042 |
1 |
def _get_unit(self, application: Application, machine_id: str) -> Unit: |
| 1043 |
|
"""Get unit |
| 1044 |
|
|
| 1045 |
|
:param: application: Application object |
| 1046 |
|
:param: machine_id: Machine id |
| 1047 |
|
|
| 1048 |
|
:return: Unit |
| 1049 |
|
""" |
| 1050 |
1 |
unit = None |
| 1051 |
1 |
for u in application.units: |
| 1052 |
1 |
if u.machine_id == machine_id: |
| 1053 |
1 |
unit = u |
| 1054 |
1 |
break |
| 1055 |
1 |
return unit |
| 1056 |
|
|
| 1057 |
1 |
def _get_machine_info( |
| 1058 |
|
self, |
| 1059 |
|
model, |
| 1060 |
|
machine_id: str, |
| 1061 |
|
) -> (str, str): |
| 1062 |
|
"""Get machine info |
| 1063 |
|
|
| 1064 |
|
:param: model: Model object |
| 1065 |
|
:param: machine_id: Machine id |
| 1066 |
|
|
| 1067 |
|
:return: (str, str): (machine, series) |
| 1068 |
|
""" |
| 1069 |
1 |
if machine_id not in model.machines: |
| 1070 |
1 |
msg = "Machine {} not found in model".format(machine_id) |
| 1071 |
1 |
self.log.error(msg=msg) |
| 1072 |
1 |
raise JujuMachineNotFound(msg) |
| 1073 |
1 |
machine = model.machines[machine_id] |
| 1074 |
1 |
return machine, machine.series |
| 1075 |
|
|
| 1076 |
1 |
async def execute_action( |
| 1077 |
|
self, |
| 1078 |
|
application_name: str, |
| 1079 |
|
model_name: str, |
| 1080 |
|
action_name: str, |
| 1081 |
|
db_dict: dict = None, |
| 1082 |
|
machine_id: str = None, |
| 1083 |
|
progress_timeout: float = None, |
| 1084 |
|
total_timeout: float = None, |
| 1085 |
|
**kwargs, |
| 1086 |
|
): |
| 1087 |
|
"""Execute action |
| 1088 |
|
|
| 1089 |
|
:param: application_name: Application name |
| 1090 |
|
:param: model_name: Model name |
| 1091 |
|
:param: action_name: Name of the action |
| 1092 |
|
:param: db_dict: Dictionary with data of the DB to write the updates |
| 1093 |
|
:param: machine_id Machine id |
| 1094 |
|
:param: progress_timeout: Maximum time between two updates in the model |
| 1095 |
|
:param: total_timeout: Timeout for the entity to be active |
| 1096 |
|
|
| 1097 |
|
:return: (str, str): (output and status) |
| 1098 |
|
""" |
| 1099 |
1 |
self.log.debug( |
| 1100 |
|
"Executing action {} using params {}".format(action_name, kwargs) |
| 1101 |
|
) |
| 1102 |
|
# Get controller |
| 1103 |
1 |
controller = await self.get_controller() |
| 1104 |
|
|
| 1105 |
|
# Get model |
| 1106 |
1 |
model = await self.get_model(controller, model_name) |
| 1107 |
|
|
| 1108 |
1 |
try: |
| 1109 |
|
# Get application |
| 1110 |
1 |
application = self._get_application( |
| 1111 |
|
model, |
| 1112 |
|
application_name=application_name, |
| 1113 |
|
) |
| 1114 |
1 |
if application is None: |
| 1115 |
1 |
raise JujuApplicationNotFound("Cannot execute action") |
| 1116 |
|
# Racing condition: |
| 1117 |
|
# Ocassionally, self._get_leader_unit() will return None |
| 1118 |
|
# because the leader elected hook has not been triggered yet. |
| 1119 |
|
# Therefore, we are doing some retries. If it happens again, |
| 1120 |
|
# re-open bug 1236 |
| 1121 |
1 |
if machine_id is None: |
| 1122 |
1 |
unit = await self._get_leader_unit(application) |
| 1123 |
1 |
self.log.debug( |
| 1124 |
|
"Action {} is being executed on the leader unit {}".format( |
| 1125 |
|
action_name, unit.name |
| 1126 |
|
) |
| 1127 |
|
) |
| 1128 |
|
else: |
| 1129 |
0 |
unit = self._get_unit(application, machine_id) |
| 1130 |
0 |
if not unit: |
| 1131 |
0 |
raise JujuError( |
| 1132 |
|
"A unit with machine id {} not in available units".format( |
| 1133 |
|
machine_id |
| 1134 |
|
) |
| 1135 |
|
) |
| 1136 |
0 |
self.log.debug( |
| 1137 |
|
"Action {} is being executed on {} unit".format( |
| 1138 |
|
action_name, unit.name |
| 1139 |
|
) |
| 1140 |
|
) |
| 1141 |
|
|
| 1142 |
1 |
actions = await application.get_actions() |
| 1143 |
|
|
| 1144 |
1 |
if action_name not in actions: |
| 1145 |
1 |
raise JujuActionNotFound( |
| 1146 |
|
"Action {} not in available actions".format(action_name) |
| 1147 |
|
) |
| 1148 |
|
|
| 1149 |
1 |
action = await unit.run_action(action_name, **kwargs) |
| 1150 |
|
|
| 1151 |
1 |
self.log.debug( |
| 1152 |
|
"Wait until action {} is completed in application {} (model={})".format( |
| 1153 |
|
action_name, application_name, model_name |
| 1154 |
|
) |
| 1155 |
|
) |
| 1156 |
1 |
await JujuModelWatcher.wait_for( |
| 1157 |
|
model=model, |
| 1158 |
|
entity=action, |
| 1159 |
|
progress_timeout=progress_timeout, |
| 1160 |
|
total_timeout=total_timeout, |
| 1161 |
|
db_dict=db_dict, |
| 1162 |
|
n2vc=self.n2vc, |
| 1163 |
|
vca_id=self.vca_connection._vca_id, |
| 1164 |
|
) |
| 1165 |
|
|
| 1166 |
1 |
output = await model.get_action_output(action_uuid=action.entity_id) |
| 1167 |
1 |
status = await model.get_action_status(uuid_or_prefix=action.entity_id) |
| 1168 |
1 |
status = ( |
| 1169 |
|
status[action.entity_id] if action.entity_id in status else "failed" |
| 1170 |
|
) |
| 1171 |
|
|
| 1172 |
1 |
self.log.debug( |
| 1173 |
|
"Action {} completed with status {} in application {} (model={})".format( |
| 1174 |
|
action_name, action.status, application_name, model_name |
| 1175 |
|
) |
| 1176 |
|
) |
| 1177 |
|
finally: |
| 1178 |
1 |
await self.disconnect_model(model) |
| 1179 |
1 |
await self.disconnect_controller(controller) |
| 1180 |
|
|
| 1181 |
1 |
return output, status |
| 1182 |
|
|
| 1183 |
1 |
async def get_actions(self, application_name: str, model_name: str) -> dict: |
| 1184 |
|
"""Get list of actions |
| 1185 |
|
|
| 1186 |
|
:param: application_name: Application name |
| 1187 |
|
:param: model_name: Model name |
| 1188 |
|
|
| 1189 |
|
:return: Dict with this format |
| 1190 |
|
{ |
| 1191 |
|
"action_name": "Description of the action", |
| 1192 |
|
... |
| 1193 |
|
} |
| 1194 |
|
""" |
| 1195 |
1 |
self.log.debug( |
| 1196 |
|
"Getting list of actions for application {}".format(application_name) |
| 1197 |
|
) |
| 1198 |
|
|
| 1199 |
|
# Get controller |
| 1200 |
1 |
controller = await self.get_controller() |
| 1201 |
|
|
| 1202 |
|
# Get model |
| 1203 |
1 |
model = await self.get_model(controller, model_name) |
| 1204 |
|
|
| 1205 |
1 |
try: |
| 1206 |
|
# Get application |
| 1207 |
1 |
application = self._get_application( |
| 1208 |
|
model, |
| 1209 |
|
application_name=application_name, |
| 1210 |
|
) |
| 1211 |
|
|
| 1212 |
|
# Return list of actions |
| 1213 |
1 |
return await application.get_actions() |
| 1214 |
|
|
| 1215 |
|
finally: |
| 1216 |
|
# Disconnect from model and controller |
| 1217 |
1 |
await self.disconnect_model(model) |
| 1218 |
1 |
await self.disconnect_controller(controller) |
| 1219 |
|
|
| 1220 |
1 |
async def get_metrics(self, model_name: str, application_name: str) -> dict: |
| 1221 |
|
"""Get the metrics collected by the VCA. |
| 1222 |
|
|
| 1223 |
|
:param model_name The name or unique id of the network service |
| 1224 |
|
:param application_name The name of the application |
| 1225 |
|
""" |
| 1226 |
1 |
if not model_name or not application_name: |
| 1227 |
1 |
raise Exception("model_name and application_name must be non-empty strings") |
| 1228 |
1 |
metrics = {} |
| 1229 |
1 |
controller = await self.get_controller() |
| 1230 |
1 |
model = await self.get_model(controller, model_name) |
| 1231 |
1 |
try: |
| 1232 |
1 |
application = self._get_application(model, application_name) |
| 1233 |
1 |
if application is not None: |
| 1234 |
1 |
metrics = await application.get_metrics() |
| 1235 |
|
finally: |
| 1236 |
1 |
self.disconnect_model(model) |
| 1237 |
1 |
self.disconnect_controller(controller) |
| 1238 |
1 |
return metrics |
| 1239 |
|
|
| 1240 |
1 |
async def add_relation( |
| 1241 |
|
self, |
| 1242 |
|
model_name: str, |
| 1243 |
|
endpoint_1: str, |
| 1244 |
|
endpoint_2: str, |
| 1245 |
|
): |
| 1246 |
|
"""Add relation |
| 1247 |
|
|
| 1248 |
|
:param: model_name: Model name |
| 1249 |
|
:param: endpoint_1 First endpoint name |
| 1250 |
|
("app:endpoint" format or directly the saas name) |
| 1251 |
|
:param: endpoint_2: Second endpoint name (^ same format) |
| 1252 |
|
""" |
| 1253 |
|
|
| 1254 |
1 |
self.log.debug("Adding relation: {} -> {}".format(endpoint_1, endpoint_2)) |
| 1255 |
|
|
| 1256 |
|
# Get controller |
| 1257 |
1 |
controller = await self.get_controller() |
| 1258 |
|
|
| 1259 |
|
# Get model |
| 1260 |
1 |
model = await self.get_model(controller, model_name) |
| 1261 |
|
|
| 1262 |
|
# Add relation |
| 1263 |
1 |
try: |
| 1264 |
1 |
await model.add_relation(endpoint_1, endpoint_2) |
| 1265 |
1 |
except juju.errors.JujuAPIError as e: |
| 1266 |
1 |
if "not found" in e.message: |
| 1267 |
1 |
self.log.warning("Relation not found: {}".format(e.message)) |
| 1268 |
1 |
return |
| 1269 |
1 |
if "already exists" in e.message: |
| 1270 |
1 |
self.log.warning("Relation already exists: {}".format(e.message)) |
| 1271 |
1 |
return |
| 1272 |
|
# another exception, raise it |
| 1273 |
1 |
raise e |
| 1274 |
|
finally: |
| 1275 |
1 |
await self.disconnect_model(model) |
| 1276 |
1 |
await self.disconnect_controller(controller) |
| 1277 |
|
|
| 1278 |
1 |
async def offer(self, endpoint: RelationEndpoint) -> Offer: |
| 1279 |
|
""" |
| 1280 |
|
Create an offer from a RelationEndpoint |
| 1281 |
|
|
| 1282 |
|
:param: endpoint: Relation endpoint |
| 1283 |
|
|
| 1284 |
|
:return: Offer object |
| 1285 |
|
""" |
| 1286 |
1 |
model_name = endpoint.model_name |
| 1287 |
1 |
offer_name = f"{endpoint.application_name}-{endpoint.endpoint_name}" |
| 1288 |
1 |
controller = await self.get_controller() |
| 1289 |
1 |
model = None |
| 1290 |
1 |
try: |
| 1291 |
1 |
model = await self.get_model(controller, model_name) |
| 1292 |
1 |
await model.create_offer(endpoint.endpoint, offer_name=offer_name) |
| 1293 |
1 |
offer_list = await self._list_offers(model_name, offer_name=offer_name) |
| 1294 |
1 |
if offer_list: |
| 1295 |
1 |
return Offer(offer_list[0].offer_url) |
| 1296 |
|
else: |
| 1297 |
1 |
raise Exception("offer was not created") |
| 1298 |
1 |
except juju.errors.JujuError as e: |
| 1299 |
0 |
if "application offer already exists" not in e.message: |
| 1300 |
0 |
raise e |
| 1301 |
|
finally: |
| 1302 |
1 |
if model: |
| 1303 |
1 |
self.disconnect_model(model) |
| 1304 |
1 |
self.disconnect_controller(controller) |
| 1305 |
|
|
| 1306 |
1 |
async def consume( |
| 1307 |
|
self, |
| 1308 |
|
model_name: str, |
| 1309 |
|
offer: Offer, |
| 1310 |
|
provider_libjuju: "Libjuju", |
| 1311 |
|
) -> str: |
| 1312 |
|
""" |
| 1313 |
|
Consumes a remote offer in the model. Relations can be created later using "juju relate". |
| 1314 |
|
|
| 1315 |
|
:param: model_name: Model name |
| 1316 |
|
:param: offer: Offer object to consume |
| 1317 |
|
:param: provider_libjuju: Libjuju object of the provider endpoint |
| 1318 |
|
|
| 1319 |
|
:raises ParseError if there's a problem parsing the offer_url |
| 1320 |
|
:raises JujuError if remote offer includes and endpoint |
| 1321 |
|
:raises JujuAPIError if the operation is not successful |
| 1322 |
|
|
| 1323 |
|
:returns: Saas name. It is the application name in the model that reference the remote application. |
| 1324 |
|
""" |
| 1325 |
1 |
saas_name = f'{offer.name}-{offer.model_name.replace("-", "")}' |
| 1326 |
1 |
if offer.vca_id: |
| 1327 |
1 |
saas_name = f"{saas_name}-{offer.vca_id}" |
| 1328 |
1 |
controller = await self.get_controller() |
| 1329 |
1 |
model = None |
| 1330 |
1 |
provider_controller = None |
| 1331 |
1 |
try: |
| 1332 |
1 |
model = await controller.get_model(model_name) |
| 1333 |
1 |
provider_controller = await provider_libjuju.get_controller() |
| 1334 |
1 |
await model.consume( |
| 1335 |
|
offer.url, application_alias=saas_name, controller=provider_controller |
| 1336 |
|
) |
| 1337 |
1 |
return saas_name |
| 1338 |
|
finally: |
| 1339 |
1 |
if model: |
| 1340 |
1 |
await self.disconnect_model(model) |
| 1341 |
1 |
if provider_controller: |
| 1342 |
1 |
await provider_libjuju.disconnect_controller(provider_controller) |
| 1343 |
1 |
await self.disconnect_controller(controller) |
| 1344 |
|
|
| 1345 |
1 |
async def destroy_model(self, model_name: str, total_timeout: float = 1800): |
| 1346 |
|
""" |
| 1347 |
|
Destroy model |
| 1348 |
|
|
| 1349 |
|
:param: model_name: Model name |
| 1350 |
|
:param: total_timeout: Timeout |
| 1351 |
|
""" |
| 1352 |
|
|
| 1353 |
0 |
controller = await self.get_controller() |
| 1354 |
0 |
model = None |
| 1355 |
0 |
try: |
| 1356 |
0 |
if not await self.model_exists(model_name, controller=controller): |
| 1357 |
0 |
self.log.warn(f"Model {model_name} doesn't exist") |
| 1358 |
0 |
return |
| 1359 |
|
|
| 1360 |
0 |
self.log.debug(f"Getting model {model_name} to be destroyed") |
| 1361 |
0 |
model = await self.get_model(controller, model_name) |
| 1362 |
0 |
self.log.debug(f"Destroying manual machines in model {model_name}") |
| 1363 |
|
# Destroy machines that are manually provisioned |
| 1364 |
|
# and still are in pending state |
| 1365 |
0 |
await self._destroy_pending_machines(model, only_manual=True) |
| 1366 |
0 |
await self.disconnect_model(model) |
| 1367 |
|
|
| 1368 |
0 |
await asyncio.wait_for( |
| 1369 |
|
self._destroy_model(model_name, controller), |
| 1370 |
|
timeout=total_timeout, |
| 1371 |
|
) |
| 1372 |
0 |
except Exception as e: |
| 1373 |
0 |
if not await self.model_exists(model_name, controller=controller): |
| 1374 |
0 |
self.log.warn( |
| 1375 |
|
f"Failed deleting model {model_name}: model doesn't exist" |
| 1376 |
|
) |
| 1377 |
0 |
return |
| 1378 |
0 |
self.log.warn(f"Failed deleting model {model_name}: {e}") |
| 1379 |
0 |
raise e |
| 1380 |
|
finally: |
| 1381 |
0 |
if model: |
| 1382 |
0 |
await self.disconnect_model(model) |
| 1383 |
0 |
await self.disconnect_controller(controller) |
| 1384 |
|
|
| 1385 |
1 |
async def _destroy_model( |
| 1386 |
|
self, |
| 1387 |
|
model_name: str, |
| 1388 |
|
controller: Controller, |
| 1389 |
|
): |
| 1390 |
|
""" |
| 1391 |
|
Destroy model from controller |
| 1392 |
|
|
| 1393 |
|
:param: model: Model name to be removed |
| 1394 |
|
:param: controller: Controller object |
| 1395 |
|
:param: timeout: Timeout in seconds |
| 1396 |
|
""" |
| 1397 |
0 |
self.log.debug(f"Destroying model {model_name}") |
| 1398 |
|
|
| 1399 |
0 |
async def _destroy_model_gracefully(model_name: str, controller: Controller): |
| 1400 |
0 |
self.log.info(f"Gracefully deleting model {model_name}") |
| 1401 |
0 |
resolved = False |
| 1402 |
0 |
while model_name in await controller.list_models(): |
| 1403 |
0 |
if not resolved: |
| 1404 |
0 |
await self.resolve(model_name) |
| 1405 |
0 |
resolved = True |
| 1406 |
0 |
await controller.destroy_model(model_name, destroy_storage=True) |
| 1407 |
|
|
| 1408 |
0 |
await asyncio.sleep(5) |
| 1409 |
0 |
self.log.info(f"Model {model_name} deleted gracefully") |
| 1410 |
|
|
| 1411 |
0 |
async def _destroy_model_forcefully(model_name: str, controller: Controller): |
| 1412 |
0 |
self.log.info(f"Forcefully deleting model {model_name}") |
| 1413 |
0 |
while model_name in await controller.list_models(): |
| 1414 |
0 |
await controller.destroy_model( |
| 1415 |
|
model_name, destroy_storage=True, force=True, max_wait=60 |
| 1416 |
|
) |
| 1417 |
0 |
await asyncio.sleep(5) |
| 1418 |
0 |
self.log.info(f"Model {model_name} deleted forcefully") |
| 1419 |
|
|
| 1420 |
0 |
try: |
| 1421 |
0 |
try: |
| 1422 |
0 |
await asyncio.wait_for( |
| 1423 |
|
_destroy_model_gracefully(model_name, controller), timeout=120 |
| 1424 |
|
) |
| 1425 |
0 |
except asyncio.TimeoutError: |
| 1426 |
0 |
await _destroy_model_forcefully(model_name, controller) |
| 1427 |
0 |
except juju.errors.JujuError as e: |
| 1428 |
0 |
if any("has been removed" in error for error in e.errors): |
| 1429 |
0 |
return |
| 1430 |
0 |
if any("model not found" in error for error in e.errors): |
| 1431 |
0 |
return |
| 1432 |
0 |
raise e |
| 1433 |
|
|
| 1434 |
1 |
async def destroy_application( |
| 1435 |
|
self, model_name: str, application_name: str, total_timeout: float |
| 1436 |
|
): |
| 1437 |
|
""" |
| 1438 |
|
Destroy application |
| 1439 |
|
|
| 1440 |
|
:param: model_name: Model name |
| 1441 |
|
:param: application_name: Application name |
| 1442 |
|
:param: total_timeout: Timeout |
| 1443 |
|
""" |
| 1444 |
|
|
| 1445 |
1 |
controller = await self.get_controller() |
| 1446 |
1 |
model = None |
| 1447 |
|
|
| 1448 |
1 |
try: |
| 1449 |
1 |
model = await self.get_model(controller, model_name) |
| 1450 |
1 |
self.log.debug( |
| 1451 |
|
"Destroying application {} in model {}".format( |
| 1452 |
|
application_name, model_name |
| 1453 |
|
) |
| 1454 |
|
) |
| 1455 |
1 |
application = self._get_application(model, application_name) |
| 1456 |
1 |
if application: |
| 1457 |
0 |
await application.destroy() |
| 1458 |
|
else: |
| 1459 |
1 |
self.log.warning("Application not found: {}".format(application_name)) |
| 1460 |
|
|
| 1461 |
1 |
self.log.debug( |
| 1462 |
|
"Waiting for application {} to be destroyed in model {}...".format( |
| 1463 |
|
application_name, model_name |
| 1464 |
|
) |
| 1465 |
|
) |
| 1466 |
1 |
if total_timeout is None: |
| 1467 |
0 |
total_timeout = 3600 |
| 1468 |
1 |
end = time.time() + total_timeout |
| 1469 |
1 |
while time.time() < end: |
| 1470 |
1 |
if not self._get_application(model, application_name): |
| 1471 |
1 |
self.log.debug( |
| 1472 |
|
"The application {} was destroyed in model {} ".format( |
| 1473 |
|
application_name, model_name |
| 1474 |
|
) |
| 1475 |
|
) |
| 1476 |
1 |
return |
| 1477 |
0 |
await asyncio.sleep(5) |
| 1478 |
1 |
raise Exception( |
| 1479 |
|
"Timeout waiting for application {} to be destroyed in model {}".format( |
| 1480 |
|
application_name, model_name |
| 1481 |
|
) |
| 1482 |
|
) |
| 1483 |
|
finally: |
| 1484 |
1 |
if model is not None: |
| 1485 |
1 |
await self.disconnect_model(model) |
| 1486 |
1 |
await self.disconnect_controller(controller) |
| 1487 |
|
|
| 1488 |
1 |
async def _destroy_pending_machines(self, model: Model, only_manual: bool = False): |
| 1489 |
|
""" |
| 1490 |
|
Destroy pending machines in a given model |
| 1491 |
|
|
| 1492 |
|
:param: only_manual: Bool that indicates only manually provisioned |
| 1493 |
|
machines should be destroyed (if True), or that |
| 1494 |
|
all pending machines should be destroyed |
| 1495 |
|
""" |
| 1496 |
0 |
status = await model.get_status() |
| 1497 |
0 |
for machine_id in status.machines: |
| 1498 |
0 |
machine_status = status.machines[machine_id] |
| 1499 |
0 |
if machine_status.agent_status.status == "pending": |
| 1500 |
0 |
if only_manual and not machine_status.instance_id.startswith("manual:"): |
| 1501 |
0 |
break |
| 1502 |
0 |
machine = model.machines[machine_id] |
| 1503 |
0 |
await machine.destroy(force=True) |
| 1504 |
|
|
| 1505 |
1 |
async def configure_application( |
| 1506 |
|
self, model_name: str, application_name: str, config: dict = None |
| 1507 |
|
): |
| 1508 |
|
"""Configure application |
| 1509 |
|
|
| 1510 |
|
:param: model_name: Model name |
| 1511 |
|
:param: application_name: Application name |
| 1512 |
|
:param: config: Config to apply to the charm |
| 1513 |
|
""" |
| 1514 |
1 |
self.log.debug("Configuring application {}".format(application_name)) |
| 1515 |
|
|
| 1516 |
1 |
if config: |
| 1517 |
1 |
controller = await self.get_controller() |
| 1518 |
1 |
model = None |
| 1519 |
1 |
try: |
| 1520 |
1 |
model = await self.get_model(controller, model_name) |
| 1521 |
1 |
application = self._get_application( |
| 1522 |
|
model, |
| 1523 |
|
application_name=application_name, |
| 1524 |
|
) |
| 1525 |
1 |
await application.set_config(config) |
| 1526 |
|
finally: |
| 1527 |
1 |
if model: |
| 1528 |
1 |
await self.disconnect_model(model) |
| 1529 |
1 |
await self.disconnect_controller(controller) |
| 1530 |
|
|
| 1531 |
1 |
def handle_exception(self, loop, context): |
| 1532 |
|
# All unhandled exceptions by libjuju are handled here. |
| 1533 |
1 |
pass |
| 1534 |
|
|
| 1535 |
1 |
async def health_check(self, interval: float = 300.0): |
| 1536 |
|
""" |
| 1537 |
|
Health check to make sure controller and controller_model connections are OK |
| 1538 |
|
|
| 1539 |
|
:param: interval: Time in seconds between checks |
| 1540 |
|
""" |
| 1541 |
1 |
controller = None |
| 1542 |
|
while True: |
| 1543 |
1 |
try: |
| 1544 |
1 |
controller = await self.get_controller() |
| 1545 |
|
# self.log.debug("VCA is alive") |
| 1546 |
1 |
except Exception as e: |
| 1547 |
0 |
self.log.error("Health check to VCA failed: {}".format(e)) |
| 1548 |
|
finally: |
| 1549 |
1 |
await self.disconnect_controller(controller) |
| 1550 |
0 |
await asyncio.sleep(interval) |
| 1551 |
|
|
| 1552 |
1 |
async def list_models(self, contains: str = None) -> [str]: |
| 1553 |
|
"""List models with certain names |
| 1554 |
|
|
| 1555 |
|
:param: contains: String that is contained in model name |
| 1556 |
|
|
| 1557 |
|
:retur: [models] Returns list of model names |
| 1558 |
|
""" |
| 1559 |
|
|
| 1560 |
1 |
controller = await self.get_controller() |
| 1561 |
1 |
try: |
| 1562 |
1 |
models = await controller.list_models() |
| 1563 |
1 |
if contains: |
| 1564 |
1 |
models = [model for model in models if contains in model] |
| 1565 |
1 |
return models |
| 1566 |
|
finally: |
| 1567 |
1 |
await self.disconnect_controller(controller) |
| 1568 |
|
|
| 1569 |
1 |
async def _list_offers( |
| 1570 |
|
self, model_name: str, offer_name: str = None |
| 1571 |
|
) -> QueryApplicationOffersResults: |
| 1572 |
|
""" |
| 1573 |
|
List offers within a model |
| 1574 |
|
|
| 1575 |
|
:param: model_name: Model name |
| 1576 |
|
:param: offer_name: Offer name to filter. |
| 1577 |
|
|
| 1578 |
|
:return: Returns application offers results in the model |
| 1579 |
|
""" |
| 1580 |
|
|
| 1581 |
1 |
controller = await self.get_controller() |
| 1582 |
1 |
try: |
| 1583 |
1 |
offers = (await controller.list_offers(model_name)).results |
| 1584 |
1 |
if offer_name: |
| 1585 |
1 |
matching_offer = [] |
| 1586 |
1 |
for offer in offers: |
| 1587 |
1 |
if offer.offer_name == offer_name: |
| 1588 |
1 |
matching_offer.append(offer) |
| 1589 |
1 |
break |
| 1590 |
1 |
offers = matching_offer |
| 1591 |
1 |
return offers |
| 1592 |
|
finally: |
| 1593 |
1 |
await self.disconnect_controller(controller) |
| 1594 |
|
|
| 1595 |
1 |
async def add_k8s( |
| 1596 |
|
self, |
| 1597 |
|
name: str, |
| 1598 |
|
rbac_id: str, |
| 1599 |
|
token: str, |
| 1600 |
|
client_cert_data: str, |
| 1601 |
|
configuration: Configuration, |
| 1602 |
|
storage_class: str, |
| 1603 |
|
credential_name: str = None, |
| 1604 |
|
): |
| 1605 |
|
""" |
| 1606 |
|
Add a Kubernetes cloud to the controller |
| 1607 |
|
|
| 1608 |
|
Similar to the `juju add-k8s` command in the CLI |
| 1609 |
|
|
| 1610 |
|
:param: name: Name for the K8s cloud |
| 1611 |
|
:param: configuration: Kubernetes configuration object |
| 1612 |
|
:param: storage_class: Storage Class to use in the cloud |
| 1613 |
|
:param: credential_name: Storage Class to use in the cloud |
| 1614 |
|
""" |
| 1615 |
|
|
| 1616 |
1 |
if not storage_class: |
| 1617 |
1 |
raise Exception("storage_class must be a non-empty string") |
| 1618 |
1 |
if not name: |
| 1619 |
1 |
raise Exception("name must be a non-empty string") |
| 1620 |
1 |
if not configuration: |
| 1621 |
1 |
raise Exception("configuration must be provided") |
| 1622 |
|
|
| 1623 |
1 |
endpoint = configuration.host |
| 1624 |
1 |
credential = self.get_k8s_cloud_credential( |
| 1625 |
|
configuration, |
| 1626 |
|
client_cert_data, |
| 1627 |
|
token, |
| 1628 |
|
) |
| 1629 |
1 |
credential.attrs[RBAC_LABEL_KEY_NAME] = rbac_id |
| 1630 |
1 |
cloud = client.Cloud( |
| 1631 |
|
type_="kubernetes", |
| 1632 |
|
auth_types=[credential.auth_type], |
| 1633 |
|
endpoint=endpoint, |
| 1634 |
|
ca_certificates=[client_cert_data], |
| 1635 |
|
config={ |
| 1636 |
|
"operator-storage": storage_class, |
| 1637 |
|
"workload-storage": storage_class, |
| 1638 |
|
}, |
| 1639 |
|
) |
| 1640 |
|
|
| 1641 |
1 |
return await self.add_cloud( |
| 1642 |
|
name, cloud, credential, credential_name=credential_name |
| 1643 |
|
) |
| 1644 |
|
|
| 1645 |
1 |
def get_k8s_cloud_credential( |
| 1646 |
|
self, |
| 1647 |
|
configuration: Configuration, |
| 1648 |
|
client_cert_data: str, |
| 1649 |
|
token: str = None, |
| 1650 |
|
) -> client.CloudCredential: |
| 1651 |
1 |
attrs = {} |
| 1652 |
|
# TODO: Test with AKS |
| 1653 |
1 |
key = None # open(configuration.key_file, "r").read() |
| 1654 |
1 |
username = configuration.username |
| 1655 |
1 |
password = configuration.password |
| 1656 |
|
|
| 1657 |
1 |
if client_cert_data: |
| 1658 |
1 |
attrs["ClientCertificateData"] = client_cert_data |
| 1659 |
1 |
if key: |
| 1660 |
0 |
attrs["ClientKeyData"] = key |
| 1661 |
1 |
if token: |
| 1662 |
1 |
if username or password: |
| 1663 |
1 |
raise JujuInvalidK8sConfiguration("Cannot set both token and user/pass") |
| 1664 |
1 |
attrs["Token"] = token |
| 1665 |
|
|
| 1666 |
1 |
auth_type = None |
| 1667 |
1 |
if key: |
| 1668 |
0 |
auth_type = "oauth2" |
| 1669 |
0 |
if client_cert_data: |
| 1670 |
0 |
auth_type = "oauth2withcert" |
| 1671 |
0 |
if not token: |
| 1672 |
0 |
raise JujuInvalidK8sConfiguration( |
| 1673 |
|
"missing token for auth type {}".format(auth_type) |
| 1674 |
|
) |
| 1675 |
1 |
elif username: |
| 1676 |
1 |
if not password: |
| 1677 |
1 |
self.log.debug( |
| 1678 |
|
"credential for user {} has empty password".format(username) |
| 1679 |
|
) |
| 1680 |
1 |
attrs["username"] = username |
| 1681 |
1 |
attrs["password"] = password |
| 1682 |
1 |
if client_cert_data: |
| 1683 |
1 |
auth_type = "userpasswithcert" |
| 1684 |
|
else: |
| 1685 |
1 |
auth_type = "userpass" |
| 1686 |
1 |
elif client_cert_data and token: |
| 1687 |
1 |
auth_type = "certificate" |
| 1688 |
|
else: |
| 1689 |
1 |
raise JujuInvalidK8sConfiguration("authentication method not supported") |
| 1690 |
1 |
return client.CloudCredential(auth_type=auth_type, attrs=attrs) |
| 1691 |
|
|
| 1692 |
1 |
async def add_cloud( |
| 1693 |
|
self, |
| 1694 |
|
name: str, |
| 1695 |
|
cloud: Cloud, |
| 1696 |
|
credential: CloudCredential = None, |
| 1697 |
|
credential_name: str = None, |
| 1698 |
|
) -> Cloud: |
| 1699 |
|
""" |
| 1700 |
|
Add cloud to the controller |
| 1701 |
|
|
| 1702 |
|
:param: name: Name of the cloud to be added |
| 1703 |
|
:param: cloud: Cloud object |
| 1704 |
|
:param: credential: CloudCredentials object for the cloud |
| 1705 |
|
:param: credential_name: Credential name. |
| 1706 |
|
If not defined, cloud of the name will be used. |
| 1707 |
|
""" |
| 1708 |
1 |
controller = await self.get_controller() |
| 1709 |
1 |
try: |
| 1710 |
1 |
_ = await controller.add_cloud(name, cloud) |
| 1711 |
1 |
if credential: |
| 1712 |
1 |
await controller.add_credential( |
| 1713 |
|
credential_name or name, credential=credential, cloud=name |
| 1714 |
|
) |
| 1715 |
|
# Need to return the object returned by the controller.add_cloud() function |
| 1716 |
|
# I'm returning the original value now until this bug is fixed: |
| 1717 |
|
# https://github.com/juju/python-libjuju/issues/443 |
| 1718 |
1 |
return cloud |
| 1719 |
|
finally: |
| 1720 |
1 |
await self.disconnect_controller(controller) |
| 1721 |
|
|
| 1722 |
1 |
async def remove_cloud(self, name: str): |
| 1723 |
|
""" |
| 1724 |
|
Remove cloud |
| 1725 |
|
|
| 1726 |
|
:param: name: Name of the cloud to be removed |
| 1727 |
|
""" |
| 1728 |
1 |
controller = await self.get_controller() |
| 1729 |
1 |
try: |
| 1730 |
1 |
await controller.remove_cloud(name) |
| 1731 |
1 |
except juju.errors.JujuError as e: |
| 1732 |
0 |
if len(e.errors) == 1 and f'cloud "{name}" not found' == e.errors[0]: |
| 1733 |
0 |
self.log.warning(f"Cloud {name} not found, so it could not be deleted.") |
| 1734 |
|
else: |
| 1735 |
0 |
raise e |
| 1736 |
|
finally: |
| 1737 |
1 |
await self.disconnect_controller(controller) |
| 1738 |
|
|
| 1739 |
1 |
@retry(attempts=20, delay=5, fallback=JujuLeaderUnitNotFound()) |
| 1740 |
1 |
async def _get_leader_unit(self, application: Application) -> Unit: |
| 1741 |
1 |
unit = None |
| 1742 |
1 |
for u in application.units: |
| 1743 |
1 |
if await u.is_leader_from_status(): |
| 1744 |
1 |
unit = u |
| 1745 |
1 |
break |
| 1746 |
1 |
if not unit: |
| 1747 |
1 |
raise Exception() |
| 1748 |
1 |
return unit |
| 1749 |
|
|
| 1750 |
1 |
async def get_cloud_credentials(self, cloud: Cloud) -> typing.List: |
| 1751 |
|
""" |
| 1752 |
|
Get cloud credentials |
| 1753 |
|
|
| 1754 |
|
:param: cloud: Cloud object. The returned credentials will be from this cloud. |
| 1755 |
|
|
| 1756 |
|
:return: List of credentials object associated to the specified cloud |
| 1757 |
|
|
| 1758 |
|
""" |
| 1759 |
0 |
controller = await self.get_controller() |
| 1760 |
0 |
try: |
| 1761 |
0 |
facade = client.CloudFacade.from_connection(controller.connection()) |
| 1762 |
0 |
cloud_cred_tag = tag.credential( |
| 1763 |
|
cloud.name, self.vca_connection.data.user, cloud.credential_name |
| 1764 |
|
) |
| 1765 |
0 |
params = [client.Entity(cloud_cred_tag)] |
| 1766 |
0 |
return (await facade.Credential(params)).results |
| 1767 |
|
finally: |
| 1768 |
0 |
await self.disconnect_controller(controller) |
| 1769 |
|
|
| 1770 |
1 |
async def check_application_exists(self, model_name, application_name) -> bool: |
| 1771 |
|
"""Check application exists |
| 1772 |
|
|
| 1773 |
|
:param: model_name: Model Name |
| 1774 |
|
:param: application_name: Application Name |
| 1775 |
|
|
| 1776 |
|
:return: Boolean |
| 1777 |
|
""" |
| 1778 |
|
|
| 1779 |
1 |
model = None |
| 1780 |
1 |
controller = await self.get_controller() |
| 1781 |
1 |
try: |
| 1782 |
1 |
model = await self.get_model(controller, model_name) |
| 1783 |
1 |
self.log.debug( |
| 1784 |
|
"Checking if application {} exists in model {}".format( |
| 1785 |
|
application_name, model_name |
| 1786 |
|
) |
| 1787 |
|
) |
| 1788 |
1 |
return self._get_application(model, application_name) is not None |
| 1789 |
|
finally: |
| 1790 |
1 |
if model: |
| 1791 |
1 |
await self.disconnect_model(model) |
| 1792 |
1 |
await self.disconnect_controller(controller) |
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