| /* |
| * 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. |
| */ |
| |
| package org.apache.submarine.server.k8s.agent; |
| |
| import io.javaoperatorsdk.operator.Operator; |
| import io.javaoperatorsdk.operator.api.config.ControllerConfigurationOverrider; |
| import io.javaoperatorsdk.operator.api.reconciler.Reconciler; |
| import org.apache.submarine.commons.utils.exception.SubmarineRuntimeException; |
| import org.apache.submarine.server.k8s.utils.OwnerReferenceConfig; |
| import org.reflections.Reflections; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.takes.facets.fork.FkRegex; |
| import org.takes.facets.fork.TkFork; |
| import org.takes.http.Exit; |
| import org.takes.http.FtBasic; |
| |
| import java.io.IOException; |
| import java.time.format.DateTimeFormatter; |
| import java.util.Set; |
| |
| /** |
| * Submarine agent listener |
| * Listen for changes in the associated kubeflow resources and update their status |
| */ |
| public class SubmarineAgentListener { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(SubmarineAgentListener.class); |
| |
| public static final DateTimeFormatter DTF = DateTimeFormatter.ISO_DATE_TIME; |
| |
| public static void main(String[] args) throws IOException { |
| // create operator |
| Operator operator = new Operator(); |
| // scan all Reconciler implemented subclasses |
| Reflections reflections = new Reflections("org.apache.submarine.server.k8s.agent"); |
| Set<Class<? extends Reconciler>> reconcilers = reflections.getSubTypesOf(Reconciler.class); |
| reconcilers.forEach(reconciler -> |
| { |
| try { |
| LOGGER.info("Register {} ...", reconciler.getName()); |
| operator.register(reconciler.getDeclaredConstructor().newInstance(), |
| ControllerConfigurationOverrider::watchingOnlyCurrentNamespace |
| ); |
| } catch (Exception e) { |
| throw new SubmarineRuntimeException("Can not new instance " + reconciler.getName()); |
| } |
| } |
| ); |
| LOGGER.info("Starting agent with SUBMARINE_UID={}", OwnerReferenceConfig.getSubmarineUid()); |
| // start operator |
| operator.start(); |
| // Provide a lightweight service to handle health checks |
| new FtBasic( |
| new TkFork(new FkRegex("/health", "ALL GOOD.")), 8080 |
| ).start(Exit.NEVER); |
| } |
| |
| } |