| /* |
| * 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.aries.containers.docker.local.impl; |
| |
| import java.io.BufferedReader; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| class LocalDockerController { |
| public String kill(String id) throws Exception { |
| return kill(id, "KILL"); |
| } |
| |
| public String kill(String id, String signal) throws Exception { |
| return runCommandExpectSingleID("docker", "kill", "-s", signal, id); |
| } |
| |
| public String remove(String id) throws Exception { |
| // Kill the docker container if its still running |
| return runCommandExpectSingleID("docker", "rm", "-f", id); |
| } |
| |
| public DockerContainerInfo run(List<String> command) throws Exception { |
| List<String> execCmd = new ArrayList<>(); |
| execCmd.add("docker"); |
| execCmd.add("run"); |
| execCmd.addAll(command); |
| |
| String id = runCommandExpectSingleID(execCmd.toArray(new String [] {})); |
| return new DockerContainerInfo(id, LocalDockerServiceManager.getContainerHost()); |
| } |
| |
| public List<String> ps(String labelFilter) { |
| String res = runCommand("docker", "ps", "-q", "--no-trunc","-f", "label=" + labelFilter); |
| |
| String[] sa = res.trim().split("\\s+"); |
| List<String> sl = new ArrayList<>(sa.length); |
| for (String s : sa) { |
| s = s.trim(); |
| if (s.length() > 0) |
| sl.add(s); |
| } |
| return sl; |
| } |
| |
| public String inspect(List<String> ids) { |
| if (ids.size() == 0) |
| return "[]"; |
| |
| List<String> cmd = new ArrayList<>(); |
| cmd.add("docker"); |
| cmd.add("inspect"); |
| cmd.addAll(ids); |
| return runCommand(cmd.toArray(new String [] {})); |
| } |
| |
| String runCommandExpectSingleID(String ... command) throws Exception { |
| String res = runCommand(command); |
| if (res != null) { |
| res = res.trim(); |
| String lastLine = res; |
| try (BufferedReader lnr = new BufferedReader(new StringReader(res))) { |
| String line; |
| while ((line = lnr.readLine()) != null) { |
| lastLine = line; |
| } |
| } |
| if (lastLine.indexOf(' ') != -1 ) { |
| throw new Exception("Unable to execute docker command: " + res); |
| } |
| res = lastLine; |
| } |
| |
| return res; |
| } |
| |
| String runCommand(String... command) { |
| return ProcessRunner.waitFor(ProcessRunner.run(command)); |
| } |
| } |