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/*******************************************************************************
* Copyright (c) 2016 Red Hat.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.docker.core;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.linuxtools.docker.core.DockerException;
import org.eclipse.linuxtools.docker.core.IDockerConnection;
/**
* A utility class to run the {@code docker-compose} command line.
*/
public class DockerCompose {
private static DockerCompose instance = new DockerCompose();
private ProcessLauncher processLauncher = new ProcessLauncher();
public static DockerCompose getInstance() {
return instance;
}
private DockerCompose() {
}
/**
* Replace the default {@link ProcessLauncher} with another instance. Used
* to testing by injecting a mock instance here.
*
* @param processLauncher
* the new {@link ProcessLauncher}.
*/
public void setProcessLauncher(final ProcessLauncher processLauncher) {
this.processLauncher = processLauncher;
}
/**
* Checks that the given {@code dockerMachineInstallDir} contains the
* {@code docker-compose} command
*
* @param dockerComposeInstallDir
* the directory to check
* @return <code>true</code> if the system-specific command was found,
* <code>false</code> otherwise.
*/
public boolean checkPathToDockerCompose(
final String dockerComposeInstallDir) {
return this.processLauncher.checkPathToCommand(dockerComposeInstallDir,
getDockerComposeCommandName());
}
/**
* Runs the {@code docker-compose up} command from the specified
* {@code baseDir}
*
* @param dockerComposeInstallDir
* the directory in which the {@code docker-compose} command is
* located
* @param baseDir
* the base directory in which the {@code docker-compose} command
* should be ran. This directory should contain a
* {@code docker-compose.yml} file.
* @throws DockerException
* if something wrong happened
*/
public Process up(final IDockerConnection connection,
final String dockerComposeInstallDir, final String baseDir)
throws DockerException {
return this.processLauncher.processBuilder(dockerComposeInstallDir,
getDockerComposeCommandName(),
getArguments(connection, "up")) //$NON-NLS-1$
.workingDir(baseDir).start();
}
public Process stop(final IDockerConnection connection,
final String dockerComposeInstallDir, final String baseDir)
throws DockerException {
return this.processLauncher
.processBuilder(dockerComposeInstallDir,
getDockerComposeCommandName(),
getArguments(connection, "stop")) //$NON-NLS-1$
.workingDir(baseDir).start();
}
private static String[] getArguments(final IDockerConnection connection,
final String commandName) {
switch (connection.getSettings().getType()) {
case UNIX_SOCKET_CONNECTION:
return new String[] { commandName };
case TCP_CONNECTION:
final TCPConnectionSettings connectionSettings = (TCPConnectionSettings) connection
.getSettings();
// include the flags to connect to the host
final List<String> args = new ArrayList<>();
args.add("-H");
args.add(connectionSettings.getHost());
if (connectionSettings.isTlsVerify()
&& connectionSettings.getPathToCertificates() != null) {
args.add("--tlsverify"); //$NON-NLS-1$
args.add("--tlscacert"); //$NON-NLS-1$
args.add(getFilePath(connectionSettings.getPathToCertificates(),
"ca.pem")); //$NON-NLS-1$
args.add("--tlscert"); //$NON-NLS-1$
args.add(getFilePath(connectionSettings.getPathToCertificates(),
"cert.pem")); //$NON-NLS-1$
args.add("--tlskey"); //$NON-NLS-1$
args.add(getFilePath(connectionSettings.getPathToCertificates(),
"key.pem")); //$NON-NLS-1$
}
args.add(commandName);
return args.toArray(new String[0]);
}
return null;
}
private static String getFilePath(final String pathToCertificates,
final String certificateFileName) {
if (pathToCertificates.endsWith(File.separator)) {
return pathToCertificates + certificateFileName;
}
return pathToCertificates + File.separator + certificateFileName;
}
public static String getDockerComposeCommandName() {
if (SystemUtils.isWindows()) {
return "docker-compose.exe"; //$NON-NLS-1$
}
return "docker-compose"; //$NON-NLS-1$
}
}
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