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/*******************************************************************************
* Copyright (c) 2014, 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.ui.wizards;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.linuxtools.docker.core.DockerException;
import org.eclipse.linuxtools.docker.core.IDockerConnection;
import org.eclipse.linuxtools.docker.core.IDockerHostConfig;
import org.eclipse.linuxtools.docker.core.IDockerImage;
import org.eclipse.linuxtools.docker.core.IDockerPortBinding;
import org.eclipse.linuxtools.internal.docker.core.DockerContainerConfig;
import org.eclipse.linuxtools.internal.docker.core.DockerContainerConfig.Builder;
import org.eclipse.linuxtools.internal.docker.core.DockerHostConfig;
import org.eclipse.linuxtools.internal.docker.core.DockerPortBinding;
import org.eclipse.linuxtools.internal.docker.ui.wizards.ImageRunSelectionModel.ContainerLinkModel;
import org.eclipse.linuxtools.internal.docker.ui.wizards.ImageRunSelectionModel.ExposedPortModel;
/**
* Wizard to 'docker run' a given {@link IDockerImage}.
*
* @author xcoulon
*
*/
public class ImageRun extends Wizard {
private final ImageRunSelectionPage imageRunSelectionPage;
private final ImageRunResourceVolumesVariablesPage imageRunResourceVolumesPage;
/**
* Constructor when an {@link IDockerConnection} has been selected to run an
* {@link IDockerImage}.
*
* @param connection
* the {@link IDockerConnection} pointing to a specific Docker
* daemon/host.
* @throws DockerException
*/
public ImageRun(final IDockerConnection connection) throws DockerException {
super();
setWindowTitle("Run a Docker Image");
setNeedsProgressMonitor(true);
this.imageRunSelectionPage = new ImageRunSelectionPage(connection);
this.imageRunResourceVolumesPage = new ImageRunResourceVolumesVariablesPage(
connection);
}
/**
* Full constructor with a selected {@link IDockerImage} to run.
*
* @param selectedImage
* the {@link IDockerImage} to use to fill the wizard pages
* @throws DockerException
*/
public ImageRun(final IDockerImage selectedImage) throws DockerException {
setWindowTitle("Run a Docker Image");
setNeedsProgressMonitor(true);
this.imageRunSelectionPage = new ImageRunSelectionPage(selectedImage);
this.imageRunResourceVolumesPage = new ImageRunResourceVolumesVariablesPage(
selectedImage.getConnection());
}
@Override
public void addPages() {
addPage(imageRunSelectionPage);
addPage(imageRunResourceVolumesPage);
}
@Override
public IWizardPage getNextPage(final IWizardPage page) {
if (page.equals(imageRunSelectionPage)) {
imageRunResourceVolumesPage.getModel().setSelectedImage(
imageRunSelectionPage.getModel().getSelectedImage());
}
return super.getNextPage(page);
}
@Override
public boolean performFinish() {
return true;
}
public String getDockerContainerName() {
return this.imageRunSelectionPage.getModel().getContainerName();
}
@SuppressWarnings("unchecked")
public IDockerHostConfig getDockerHostConfig() {
final ImageRunSelectionModel selectionModel = this.imageRunSelectionPage
.getModel();
final ImageRunResourceVolumesVariablesModel resourcesModel = this.imageRunResourceVolumesPage
.getModel();
final DockerHostConfig.Builder hostConfigBuilder = new DockerHostConfig.Builder();
if (selectionModel.isPublishAllPorts()) {
hostConfigBuilder.publishAllPorts(true);
} else {
final Map<String, List<IDockerPortBinding>> portBindings = new HashMap<>();
for (Iterator<ExposedPortModel> iterator = selectionModel
.getExposedPorts().iterator(); iterator.hasNext();) {
final ExposedPortModel exposedPort = iterator.next();
// only selected Ports in the CheckboxTableViewer are exposed.
if (!selectionModel.getSelectedPorts().contains(exposedPort)) {
continue;
}
final DockerPortBinding portBinding = new DockerPortBinding(
exposedPort.getHostAddress(),
exposedPort.getHostPort());
portBindings.put(
exposedPort.getContainerPort()
+ exposedPort.getPortType(),
Arrays.<IDockerPortBinding> asList(portBinding));
}
hostConfigBuilder.portBindings(portBindings);
}
// container links
final List<String> links = new ArrayList<>();
for (Iterator<ContainerLinkModel> iterator = selectionModel.getLinks()
.iterator(); iterator.hasNext();) {
final ContainerLinkModel link = iterator.next();
links.add(link.getContainerName() + ':' + link.getContainerAlias());
}
hostConfigBuilder.links(links);
// data volumes
final List<String> volumesFrom = new ArrayList<>();
final List<String> binds = new ArrayList<>();
for (Iterator<DataVolumeModel> iterator = resourcesModel
.getDataVolumes().iterator(); iterator.hasNext();) {
final DataVolumeModel dataVolume = iterator.next();
// only data volumes selected in the CheckBoxTableViewer are
// included.
if (!resourcesModel.getSelectedDataVolumes().contains(dataVolume)) {
continue;
}
switch (dataVolume.getMountType()) {
case HOST_FILE_SYSTEM:
if (dataVolume.isReadOnly()) {
binds.add(dataVolume.getHostPathMount() + ':'
+ dataVolume.getContainerPath() + ':' + "ro");
} else {
binds.add(dataVolume.getHostPathMount() + ':'
+ dataVolume.getContainerPath());
}
break;
case CONTAINER:
volumesFrom.add(dataVolume.getContainerMount());
break;
default:
break;
}
}
hostConfigBuilder.binds(binds);
hostConfigBuilder.volumesFrom(volumesFrom);
return hostConfigBuilder.build();
}
@SuppressWarnings("unchecked")
public DockerContainerConfig getDockerContainerConfig() {
final ImageRunSelectionModel selectionModel = this.imageRunSelectionPage
.getModel();
final ImageRunResourceVolumesVariablesModel resourcesModel = this.imageRunResourceVolumesPage
.getModel();
final Builder config = new DockerContainerConfig.Builder()
.cmd(getCmdList(selectionModel.getCommand()))
.entryPoint(selectionModel.getEntrypoint())
.image(selectionModel.getSelectedImageName())
.tty(selectionModel.isAllocatePseudoTTY())
.openStdin(selectionModel.isInteractiveMode());
if (resourcesModel.isEnableResourceLimitations()) {
config.memory(resourcesModel.getMemory());
config.cpuShares((long) resourcesModel.getCpuShareWeight());
}
// environment variables
final List<String> environmentVariables = new ArrayList<>();
for (Iterator<EnvironmentVariableModel> iterator = resourcesModel
.getEnvironmentVariables().iterator(); iterator.hasNext();) {
final EnvironmentVariableModel var = iterator.next();
environmentVariables.add(var.getName() + "=" + var.getValue());
}
config.env(environmentVariables);
return config.build();
}
// Create a proper command list after handling quotation.
private List<String> getCmdList(String s) {
ArrayList<String> list = new ArrayList<>();
int length = s.length();
boolean insideQuote1 = false; // single-quote
boolean insideQuote2 = false; // double-quote
boolean escaped = false;
StringBuffer buffer = new StringBuffer();
// Parse the string and break it up into chunks that are
// separated by white-space or are quoted. Ignore characters
// that have been escaped, including the escape character.
for (int i = 0; i < length; ++i) {
char c = s.charAt(i);
if (escaped) {
buffer.append(c);
escaped = false;
}
switch (c) {
case '\'':
if (!insideQuote2)
insideQuote1 = insideQuote1 ^ true;
else
buffer.append(c);
break;
case '\"':
if (!insideQuote1)
insideQuote2 = insideQuote2 ^ true;
else
buffer.append(c);
break;
case '\\':
escaped = true;
break;
case ' ':
case '\t':
case '\r':
case '\n':
if (insideQuote1 || insideQuote2)
buffer.append(c);
else {
String item = buffer.toString();
buffer.setLength(0);
if (item.length() > 0)
list.add(item);
}
break;
default:
buffer.append(c);
break;
}
}
// add last item of string that will be in the buffer
String item = buffer.toString();
if (item.length() > 0)
list.add(item);
return list;
}
}
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