| /* |
| * 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.bookkeeper.tests.containers; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.github.dockerjava.api.command.LogContainerCmd; |
| import com.github.dockerjava.api.model.Frame; |
| import com.github.dockerjava.core.command.LogContainerResultCallback; |
| import java.util.Objects; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.TimeUnit; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.tests.integration.utils.DockerUtils; |
| import org.apache.commons.lang.StringUtils; |
| import org.testcontainers.containers.GenericContainer; |
| |
| /** |
| * A base container provides chaos capability. |
| */ |
| @Slf4j |
| public class ChaosContainer<SelfT extends ChaosContainer<SelfT>> extends GenericContainer<SelfT> { |
| |
| protected final String clusterName; |
| |
| protected ChaosContainer(String clusterName, String image) { |
| super(image); |
| this.clusterName = clusterName; |
| } |
| |
| protected void beforeStop() { |
| if (null == containerId) { |
| return; |
| } |
| |
| DockerUtils.dumpContainerLogToTarget( |
| getDockerClient(), |
| getContainerName() |
| ); |
| } |
| |
| @Override |
| public void stop() { |
| beforeStop(); |
| super.stop(); |
| } |
| |
| public void tailContainerLog() { |
| CompletableFuture.runAsync(() -> { |
| while (null == containerId) { |
| try { |
| TimeUnit.MILLISECONDS.sleep(100); |
| } catch (InterruptedException e) { |
| return; |
| } |
| } |
| |
| LogContainerCmd logContainerCmd = this.dockerClient.logContainerCmd(containerId); |
| logContainerCmd.withStdOut(true).withStdErr(true).withFollowStream(true); |
| logContainerCmd.exec(new LogContainerResultCallback() { |
| @Override |
| public void onNext(Frame item) { |
| log.info(new String(item.getPayload(), UTF_8)); |
| } |
| }); |
| }); |
| } |
| |
| public String getContainerLog() { |
| StringBuilder sb = new StringBuilder(); |
| |
| LogContainerCmd logContainerCmd = this.dockerClient.logContainerCmd(containerId); |
| logContainerCmd.withStdOut(true).withStdErr(true); |
| try { |
| logContainerCmd.exec(new LogContainerResultCallback() { |
| @Override |
| public void onNext(Frame item) { |
| sb.append(new String(item.getPayload(), UTF_8)); |
| } |
| }).awaitCompletion(); |
| } catch (InterruptedException e) { |
| |
| } |
| return sb.toString(); |
| } |
| |
| public ExecResult execCmd(String... cmd) throws Exception { |
| String cmdString = StringUtils.join(cmd, " "); |
| |
| log.info("DOCKER.exec({}:{}): Executing ...", containerId, cmdString); |
| |
| ExecResult result = execInContainer(cmd); |
| |
| log.info("Docker.exec({}:{}): Done", containerId, cmdString); |
| log.info("Docker.exec({}:{}): Stdout -\n{}", containerId, cmdString, result.getStdout()); |
| log.info("Docker.exec({}:{}): Stderr -\n{}", containerId, cmdString, result.getStderr()); |
| |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (!(o instanceof ChaosContainer)) { |
| return false; |
| } |
| |
| ChaosContainer another = (ChaosContainer) o; |
| return clusterName.equals(another.clusterName) |
| && super.equals(another); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 31 * super.hashCode() + Objects.hash( |
| clusterName); |
| } |
| |
| } |