| /** |
| * 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.heron.scheduler.kubernetes; |
| |
| import java.io.IOException; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.heron.common.basics.ByteAmount; |
| import org.apache.heron.common.basics.SysUtils; |
| import org.apache.heron.scheduler.utils.Runtime; |
| import org.apache.heron.spi.common.Config; |
| import org.apache.heron.spi.common.Context; |
| |
| import io.kubernetes.client.openapi.ApiException; |
| |
| import okhttp3.Response; |
| |
| final class KubernetesUtils { |
| |
| private static final String CONTAINER = "kubernetes"; |
| |
| private KubernetesUtils() { |
| } |
| |
| static String getConfCommand(Config config) { |
| return String.format("%s %s", Context.downloaderConf(config), CONTAINER); |
| } |
| |
| static String getFetchCommand(Config config, Config runtime) { |
| return String.format("%s %s .", Context.downloaderBinary(config), |
| Runtime.topologyPackageUri(runtime).toString()); |
| } |
| |
| static void logResponseBodyIfPresent(Logger log, Response response) { |
| try { |
| log.log(Level.SEVERE, "Error details:\n" + response.body().string()); |
| } catch (IOException ioe) { |
| // ignore |
| SysUtils.closeIgnoringExceptions(response.body()); |
| } |
| } |
| |
| static void logExceptionWithDetails(Logger log, String message, Exception e) { |
| log.log(Level.SEVERE, message + " " + e.getMessage()); |
| if (e instanceof ApiException) { |
| log.log(Level.SEVERE, "Error details:\n" + ((ApiException) e).getResponseBody()); |
| } |
| } |
| |
| static String errorMessageFromResponse(Response response) { |
| final String message = response.message(); |
| String details; |
| try { |
| details = response.body().string(); |
| } catch (IOException ioe) { |
| // ignore |
| details = ioe.getMessage(); |
| } finally { |
| SysUtils.closeIgnoringExceptions(response.body()); |
| } |
| return message + "\ndetails:\n" + details; |
| } |
| |
| // https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/ |
| // #meaning-of-memory |
| static String Megabytes(ByteAmount amount) { |
| return String.format("%sMi", Long.toString(amount.asMegabytes())); |
| } |
| } |