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/*******************************************************************************
* Copyright (c) 2015 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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;
public class DockerMachine {
private static final String DM = "docker-machine"; //$NON-NLS-1$
private static final String LS = "ls"; //$NON-NLS-1$
private static final String URL = "url"; //$NON-NLS-1$
private static final String ENV = "env"; //$NON-NLS-1$
public static String[] getNames() {
return call(new String[] { LS, "-q" }); //$NON-NLS-1$
}
public static String getHost(String name) {
String[] res = call(new String[] { URL, name });
return res.length == 1 ? res[0] : null;
}
public static String getCertPath(String name) {
String[] res = getEnv(name);
for (String l : res) {
if (l.contains("DOCKER_CERT_PATH")) { //$NON-NLS-1$
// DOCKER_CERT_PATH="/path/to/cert-folder"
return l.split("=")[1].replace("\"", ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
return null;
}
private static String[] getEnv(String name) {
return call(new String[] { ENV, name });
}
private static String[] call(String[] args) {
List<String> result = new ArrayList<>();
try {
List<String> cmd = new ArrayList<>();
cmd.add(DM);
cmd.addAll(Arrays.asList(args));
Process p = Runtime.getRuntime().exec(cmd.toArray(new String[0]));
BufferedReader buff = new BufferedReader(new InputStreamReader(p.getInputStream()));
if (p.waitFor(5, TimeUnit.SECONDS) && p.exitValue() == 0) {
String line;
while ((line = buff.readLine()) != null) {
result.add(line);
}
} else {
return new String[0];
}
} catch (IOException e) {
} catch (InterruptedException e) {
}
return result.toArray(new String[0]);
}
}
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