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io.fabric8.maven.docker.BuildMojo Maven / Gradle / Ivy
package io.fabric8.maven.docker;
import io.fabric8.maven.docker.access.DockerAccessException;
import io.fabric8.maven.docker.config.BuildImageConfiguration;
import io.fabric8.maven.docker.config.ImageConfiguration;
import io.fabric8.maven.docker.service.BuildService;
import io.fabric8.maven.docker.service.ImagePullManager;
import io.fabric8.maven.docker.service.JibBuildService;
import io.fabric8.maven.docker.service.ServiceHub;
import io.fabric8.maven.docker.service.helper.BuildArgResolver;
import io.fabric8.maven.docker.util.EnvUtil;
import io.fabric8.maven.docker.util.Logger;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.Date;
import java.util.Enumeration;
import java.util.Map;
import static io.fabric8.maven.docker.service.RegistryService.createCompleteAuthConfigList;
/**
* Mojo for building a data image
*
* @author roland
* @since 28.07.14
*/
@Mojo(name = "build", defaultPhase = LifecyclePhase.INSTALL, requiresDependencyResolution = ResolutionScope.TEST)
public class BuildMojo extends AbstractDockerMojo {
public static final String DMP_PLUGIN_DESCRIPTOR = "META-INF/maven/io.fabric8/dmp-plugin";
public static final String DOCKER_EXTRA_DIR = "docker-extra";
@Parameter(property = "docker.skip.build", defaultValue = "false")
protected boolean skipBuild;
@Parameter(property = "docker.name", defaultValue = "")
protected String name;
/**
* Skip Sending created tarball to docker daemon
*/
@Parameter(property = "docker.buildArchiveOnly", defaultValue = "false")
protected String buildArchiveOnly;
/**
* Skip building tags
*/
@Parameter(property = "docker.skip.tag", defaultValue = "false")
protected boolean skipTag;
@Override
protected void executeInternal(ServiceHub hub) throws IOException, MojoExecutionException {
if (skipBuild) {
return;
}
// Check for build plugins
executeBuildPlugins();
// Iterate over all the ImageConfigurations and process one by one
for (ImageConfiguration imageConfig : getResolvedImages()) {
processImageConfig(hub, imageConfig);
}
}
protected void buildAndTag(ServiceHub hub, ImageConfiguration imageConfig)
throws MojoExecutionException, IOException {
EnvUtil.storeTimestamp(getBuildTimestampFile(), getBuildTimestamp());
BuildService.BuildContext buildContext = getBuildContext();
ImagePullManager pullManager = getImagePullManager(determinePullPolicy(imageConfig.getBuildConfiguration()), autoPull);
proceedWithBuildProcess(hub, buildContext, imageConfig, pullManager);
}
private void proceedWithBuildProcess(ServiceHub hub, BuildService.BuildContext buildContext, ImageConfiguration imageConfig, ImagePullManager pullManager) throws MojoExecutionException, IOException {
if (Boolean.TRUE.equals(jib)) {
proceedWithJibBuild(hub, buildContext, imageConfig);
} else {
proceedWithDockerBuild(hub, buildContext, imageConfig, pullManager);
}
}
private void proceedWithJibBuild(ServiceHub hub, BuildService.BuildContext buildContext, ImageConfiguration imageConfig) throws MojoExecutionException {
log.info("Building Container image with [[B]]JIB(Java Image Builder)[[B]] mode");
new JibBuildService(hub, createMojoParameters(), log).build(jibImageFormat, imageConfig, buildContext.getRegistryConfig());
}
private void proceedWithDockerBuild(ServiceHub hub, BuildService.BuildContext buildContext, ImageConfiguration imageConfig, ImagePullManager pullManager)
throws MojoExecutionException, IOException {
BuildService buildService= hub.getBuildService();
File buildArchiveFile = buildService.buildArchive(imageConfig, buildContext, resolveBuildArchiveParameter());
if (Boolean.FALSE.equals(shallBuildArchiveOnly())) {
if (imageConfig.isBuildX()) {
BuildArgResolver buildArgResolver = new BuildArgResolver(log);
Map buildArgsFromExternalSources = buildArgResolver.resolveBuildArgs(buildContext);
hub.getBuildXService().build(createProjectPaths(), imageConfig, null, createCompleteAuthConfigList(false, imageConfig, getRegistryConfig(pullRegistry), createMojoParameters(), buildArgsFromExternalSources), buildArchiveFile);
} else {
buildService.buildImage(imageConfig, pullManager, buildContext, buildArchiveFile);
if (!skipTag && !imageConfig.getBuildConfiguration().skipTag()) {
buildService.tagImage(imageConfig);
}
}
}
}
// We ignore an already existing date file and always return the current date
@Override
protected Date getReferenceDate() {
return new Date();
}
private String resolveBuildArchiveParameter() {
if (buildArchiveOnly != null && !buildArchiveOnly.isEmpty()) {
if (!(buildArchiveOnly.equalsIgnoreCase("false") ||
buildArchiveOnly.equalsIgnoreCase("true"))) {
return buildArchiveOnly;
}
}
return null;
}
private boolean shallBuildArchiveOnly() {
if (buildArchiveOnly != null && !buildArchiveOnly.isEmpty()) {
if (buildArchiveOnly.equalsIgnoreCase("false") ||
buildArchiveOnly.equalsIgnoreCase("true")) {
return Boolean.parseBoolean(buildArchiveOnly);
}
}
return false;
}
private String determinePullPolicy(BuildImageConfiguration buildConfig) {
return buildConfig != null && buildConfig.getImagePullPolicy() != null ? buildConfig.getImagePullPolicy() : imagePullPolicy;
}
/**
* Helper method to process an ImageConfiguration.
*
* @param hub ServiceHub
* @param aImageConfig ImageConfiguration that would be forwarded to build and tag
* @throws DockerAccessException
* @throws MojoExecutionException
*/
private void processImageConfig(ServiceHub hub, ImageConfiguration aImageConfig) throws IOException, MojoExecutionException {
BuildImageConfiguration buildConfig = aImageConfig.getBuildConfiguration();
if (buildConfig != null) {
if (buildConfig.skip() || shouldSkipPom()) {
log.info("%s : Skipped building", aImageConfig.getDescription());
} else {
buildAndTag(hub, aImageConfig);
}
}
}
// check for a run-java.sh dependency an extract the script to target/ if found
private void executeBuildPlugins() {
try {
Enumeration dmpPlugins = Thread.currentThread().getContextClassLoader().getResources(DMP_PLUGIN_DESCRIPTOR);
while (dmpPlugins.hasMoreElements()) {
URL dmpPlugin = dmpPlugins.nextElement();
File outputDir = getAndEnsureOutputDirectory();
processDmpPluginDescription(dmpPlugin, outputDir);
}
} catch (IOException e) {
log.error("Cannot load dmp-plugins from %s", DMP_PLUGIN_DESCRIPTOR);
}
}
private void processDmpPluginDescription(URL pluginDesc, File outputDir) throws IOException {
String line = null;
try (LineNumberReader reader =
new LineNumberReader(new InputStreamReader(pluginDesc.openStream(), "UTF8"))) {
line = reader.readLine();
while (line != null) {
if (line.matches("^\\s*#")) {
// Skip comments
continue;
}
callBuildPlugin(outputDir, line);
line = reader.readLine();
}
} catch (ClassNotFoundException e) {
// Not declared as dependency, so just ignoring ...
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
log.verbose(Logger.LogVerboseCategory.BUILD,"Found dmp-plugin %s but could not be called : %s",
line,
e.getMessage());
}
}
private File getAndEnsureOutputDirectory() {
File outputDir = new File(new File(project.getBuild().getDirectory()), DOCKER_EXTRA_DIR);
if (!outputDir.exists()) {
outputDir.mkdirs();
}
return outputDir;
}
private void callBuildPlugin(File outputDir, String buildPluginClass) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
Class buildPlugin = Class.forName(buildPluginClass);
try {
Method method = buildPlugin.getMethod("addExtraFiles", File.class);
method.invoke(null, outputDir);
log.info("Extra files from %s extracted", buildPluginClass);
} catch (NoSuchMethodException exp) {
log.verbose(Logger.LogVerboseCategory.BUILD,"Build plugin %s does not support 'addExtraFiles' method", buildPluginClass);
}
}
}
