cruseakshay commented on code in PR #62772: URL: https://github.com/apache/airflow/pull/62772#discussion_r3079168945
########## providers/microsoft/azure/src/airflow/providers/microsoft/azure/triggers/container_instance.py: ########## @@ -0,0 +1,123 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +from __future__ import annotations + +import asyncio +from collections.abc import AsyncIterator +from typing import Any + +from airflow.providers.microsoft.azure.hooks.container_instance import AzureContainerInstanceAsyncHook +from airflow.triggers.base import BaseTrigger, TriggerEvent + +TERMINAL_STATES = frozenset({"Terminated", "Succeeded", "Failed", "Unhealthy"}) +SUCCESS_STATES = frozenset({"Terminated", "Succeeded"}) + + +class AzureContainerInstanceTrigger(BaseTrigger): + """ + Poll an Azure Container Instance until it reaches a terminal state. + + :param resource_group: the name of the resource group + :param name: the name of the container group + :param ci_conn_id: connection id of the Azure service principal + :param polling_interval: time in seconds between state polls + """ + + def __init__( + self, + resource_group: str, + name: str, + ci_conn_id: str, + polling_interval: float = 30.0, + ) -> None: + super().__init__() + self.resource_group = resource_group + self.name = name + self.ci_conn_id = ci_conn_id + self.polling_interval = polling_interval + + def serialize(self) -> tuple[str, dict[str, Any]]: + """Serialize trigger arguments and classpath.""" + return ( + "airflow.providers.microsoft.azure.triggers.container_instance.AzureContainerInstanceTrigger", + { + "resource_group": self.resource_group, + "name": self.name, + "ci_conn_id": self.ci_conn_id, + "polling_interval": self.polling_interval, + }, + ) + + async def run(self) -> AsyncIterator[TriggerEvent]: + """Poll ACI until a terminal state is reached, then yield a TriggerEvent.""" + hook = AzureContainerInstanceAsyncHook(azure_conn_id=self.ci_conn_id) + try: + async with hook.get_async_conn() as client: + while True: + cg_state = await client.container_groups.get(self.resource_group, self.name) + instance_view = cg_state.containers[0].instance_view + + if instance_view is not None: + c_state = instance_view.current_state + state = c_state.state + exit_code = c_state.exit_code + detail_status = c_state.detail_status + else: + state = cg_state.provisioning_state + exit_code = 0 + detail_status = "Provisioning" + + if state in TERMINAL_STATES: + if state in SUCCESS_STATES and exit_code == 0: + yield TriggerEvent( + { + "status": "success", + "exit_code": exit_code, + "detail_status": detail_status, + "resource_group": self.resource_group, + "name": self.name, + } + ) + else: + yield TriggerEvent( + { + "status": "error", + "exit_code": exit_code, + "detail_status": detail_status, + "resource_group": self.resource_group, + "name": self.name, + "message": ( + f"Container group {self.resource_group}/{self.name} " + f"reached state {state!r} with exit code {exit_code} " + f"({detail_status})" + ), + } + ) + return + + await asyncio.sleep(self.polling_interval) Review Comment: added as denfense -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
