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org.wildfly.galleon.plugin.Utils Maven / Gradle / Ivy
/*
* Copyright 2016-2018 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.wildfly.galleon.plugin;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.file.FileAlreadyExistsException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.FileVisitOption;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.jboss.galleon.Errors;
import org.jboss.galleon.ProvisioningException;
import org.jboss.galleon.layout.FeaturePackLayout;
import org.jboss.galleon.layout.ProvisioningLayout;
import org.jboss.galleon.universe.maven.MavenArtifact;
import org.jboss.galleon.util.CollectionUtils;
import org.jboss.galleon.util.IoUtils;
import org.jboss.galleon.util.LayoutUtils;
import org.jboss.galleon.util.StringUtils;
import org.wildfly.galleon.plugin.config.CopyArtifact;
/**
*
* @author Alexey Loubyansky
*/
public class Utils {
private static final String EXPRESSION_PREFIX = "${";
private static final String EXPRESSION_SUFFIX = "}";
private static final String EXPRESSION_ENV_VAR = "env.";
private static final String EXPRESSION_DEFAULT_VALUE_SEPARATOR = ":";
public static void readProperties(Path propsFile, Map propsMap) throws ProvisioningException {
try(BufferedReader reader = Files.newBufferedReader(propsFile)) {
String line = reader.readLine();
while(line != null) {
line = line.trim();
if(line.charAt(0) != '#' && !line.isEmpty()) {
final int i = line.indexOf('=');
if(i < 0) {
throw new ProvisioningException("Failed to parse property " + line + " from " + propsFile);
}
propsMap.put(line.substring(0, i), line.substring(i + 1));
}
line = reader.readLine();
}
} catch (IOException e) {
throw new ProvisioningException(Errors.readFile(propsFile), e);
}
}
public static Map readProperties(final Path propsFile) throws ProvisioningException {
final Map propsMap = new HashMap<>();
readProperties(propsFile, propsMap);
return propsMap;
}
public static boolean containsArtifact(Map artifactsMap, MavenArtifact artifact) throws ProvisioningException {
final StringBuilder key = new StringBuilder();
final StringBuilder val = new StringBuilder();
val.append(artifact.getGroupId()).append(":").append(artifact.getArtifactId()).append(":").append(artifact.getVersion()).append(":");
key.append(artifact.getGroupId()).append(':').append(artifact.getArtifactId());
if (artifact.getClassifier() != null && !artifact.getClassifier().isEmpty()) {
key.append("::").append(artifact.getClassifier());
val.append(artifact.getClassifier());
}
val.append(":").append(artifact.getExtension());
String value = artifactsMap.get(key.toString());
return val.toString().equals(value);
}
public static MavenArtifact toArtifactCoords(Map versionProps, String str, boolean optional,
boolean channelArtifactResolution, boolean requireChannel) throws ProvisioningException {
final MavenArtifact artifact = new MavenArtifact();
if (requireChannel) {
artifact.addMetadata(WfInstallPlugin.REQUIRES_CHANNEL_FOR_ARTIFACT_RESOLUTION_PROPERTY, "true");
}
artifact.setExtension(MavenArtifact.EXT_JAR);
resolveArtifact(str, artifact, channelArtifactResolution);
if(artifact.getGroupId() == null && artifact.getArtifactId() == null) {
throw new IllegalArgumentException("Unexpected artifact coordinates format: " + str);
}
if(!artifact.hasVersion()) {
// The key is composed of groupId:artifactId[::classifier]
String key = artifact.getGroupId() + ':' + artifact.getArtifactId() + ( artifact.getClassifier() == null || artifact.getClassifier().isEmpty() ?
"" : "::" + artifact.getClassifier() );
final String resolvedStr = versionProps.get(key);
if (resolvedStr == null) {
if (optional) {
return null;
}
if (channelArtifactResolution) {
// No version defined in feature-pack, version would be retrieved from channel.
return artifact;
} else {
throw new ProvisioningException("Failed to resolve the version of " + artifact.getGroupId() + ':' + artifact.getArtifactId());
}
}
MavenArtifact resolvedArtifact = new MavenArtifact();
resolveArtifact(resolvedStr, resolvedArtifact, channelArtifactResolution);
if (!resolvedArtifact.hasVersion() && !channelArtifactResolution) {
throw new ProvisioningException("Failed to resolve the version for artifact: " + resolvedStr);
} else {
artifact.setVersion(resolvedArtifact.getVersion());
}
}
return artifact;
}
/**
* Resolve an expression composed of ${a,b,c:defaultValue} Where a, b and c can be System properties or env.XXX env variables.
*/
private static String resolveExpression(String coords, String str, boolean channelArtifactResolution, boolean isVersion) throws ProvisioningException {
if (str == null) {
return str;
}
String resolved = str;
str = str.trim();
if (str.startsWith(EXPRESSION_PREFIX) && str.endsWith(EXPRESSION_SUFFIX)) {
String expressions = str.substring(EXPRESSION_PREFIX.length(), str.length() - EXPRESSION_SUFFIX.length());
int defValueSeparator = expressions.indexOf(EXPRESSION_DEFAULT_VALUE_SEPARATOR);
String defaultValue = null;
if (defValueSeparator >= 0) {
defaultValue = expressions.substring(defValueSeparator+1, expressions.length());
defaultValue = defaultValue.trim();
expressions = expressions.substring(0, defValueSeparator);
}
String[] split = expressions.split(",", -1);
String value;
for (String expression : split) {
expression = expression.trim();
if (expression.isEmpty()) {
throw new ProvisioningException("Invalid syntax for expression " + coords);
}
if (expression.startsWith(EXPRESSION_ENV_VAR)) {
expression = expression.substring(EXPRESSION_ENV_VAR.length(), expression.length());
if (expression.isEmpty()) {
throw new ProvisioningException("Invalid syntax for expression " + coords);
}
value = System.getenv(expression);
if (value != null) {
return value;
}
} else {
value = System.getProperty(expression);
if (value != null) {
return value;
}
}
}
if (defaultValue == null) {
// Fail if not a version or if no channels have been configured
if (!isVersion || !channelArtifactResolution ) {
throw new ProvisioningException("Unresolved expression for " + coords);
}
}
resolved = defaultValue;
}
return resolved;
}
enum COORDS_STATE {
GROUPID,
ARTIFACTID,
VERSION,
CLASSIFIER,
EXTENSION
}
static void resolveArtifact(String coords, MavenArtifact artifact, boolean channelArtifactResolution) throws ProvisioningException {
if (coords == null) {
return;
}
COORDS_STATE state = COORDS_STATE.GROUPID;
StringBuilder currentBuilder = null;
char[] array = coords.toCharArray();
boolean expectSeparator = false;
for (int i = 0; i < array.length; i++) {
char c = array[i];
if (c == ' ') {
continue;
}
if (expectSeparator && c != ':') {
throw new ProvisioningException("Invalid syntax for expression " + coords);
}
expectSeparator = false;
if (c == '$') {
if (i < array.length - 1) {
char next = array[i + 1];
if ('{' == next) {
// Expression
String remaining = coords.substring(i);
int end = remaining.indexOf("}");
if (end < 0) {
throw new ProvisioningException("Invalid syntax for expression " + coords);
}
String exp = remaining.substring(0, end + 1);
String resolvedExp = resolveExpression(coords, exp, channelArtifactResolution, state == COORDS_STATE.VERSION);
if (resolvedExp != null) {
if( currentBuilder == null) {
currentBuilder = new StringBuilder();
}
currentBuilder.append(resolvedExp);
}
expectSeparator = true;
i += end;
}
} else {
if (currentBuilder == null) {
currentBuilder = new StringBuilder();
}
currentBuilder.append(c);
}
} else {
if (c == ':') {
String current = currentBuilder == null ? null : currentBuilder.toString();
state = setState(coords, state, current, artifact);
currentBuilder = null;
} else {
if (currentBuilder == null) {
currentBuilder = new StringBuilder();
}
currentBuilder.append(c);
}
}
}
setState(coords, state, currentBuilder == null ? null : currentBuilder.toString(), artifact);
}
private static COORDS_STATE setState(String coords, COORDS_STATE state, String value, MavenArtifact artifact) {
COORDS_STATE newState = null;
if(state == null) {
throw new IllegalArgumentException("Unexpected artifact coordinates format: " + coords);
}
switch (state) {
case GROUPID: {
if (value != null) {
artifact.setGroupId(value);
}
newState = Utils.COORDS_STATE.ARTIFACTID;
break;
}
case ARTIFACTID: {
if (value != null) {
artifact.setArtifactId(value);
}
newState = Utils.COORDS_STATE.VERSION;
break;
}
case VERSION: {
if (value != null) {
artifact.setVersion(value);
}
newState = Utils.COORDS_STATE.CLASSIFIER;
break;
}
case CLASSIFIER: {
if (value != null) {
artifact.setClassifier(value);
}
newState = Utils.COORDS_STATE.EXTENSION;
break;
}
case EXTENSION: {
if (value != null) {
artifact.setExtension(value);
}
break;
}
}
return newState;
}
public static List collectLayersConf(ProvisioningLayout layout) throws ProvisioningException {
List layersConfs = Collections.emptyList();
for(FeaturePackLayout fp : layout.getOrderedFeaturePacks()) {
Path p = LayoutUtils.getPackageContentDir(fp.getDir(), WfConstants.LAYERS_CONF);
if(!Files.exists(p)) {
continue;
}
p = p.resolve(WfConstants.MODULES).resolve(WfConstants.LAYERS_CONF);
if(!Files.exists(p)) {
throw new ProvisioningException(
"Feature-pack " + fp.getFPID() + " package " + WfConstants.LAYERS_CONF + " is expected to contain "
+ WfConstants.MODULES + "/" + WfConstants.LAYERS_CONF + " but it does not");
}
layersConfs = CollectionUtils.add(layersConfs, p);
}
return layersConfs;
}
public static void mergeLayersConfs(List layersConfs, Path distHome) throws ProvisioningException {
if(layersConfs.isEmpty()) {
return;
}
if(layersConfs.size() == 1) {
try {
IoUtils.copy(layersConfs.get(0), distHome.resolve(WfConstants.MODULES).resolve(WfConstants.LAYERS_CONF));
} catch (IOException e) {
throw new ProvisioningException("Failed to install layes.conf to " + distHome, e);
}
return;
}
final Properties props = new Properties();
final Set layers = new LinkedHashSet<>(layersConfs.size());
for(Path p : layersConfs) {
try(BufferedReader reader = Files.newBufferedReader(p)) {
props.load(reader);
} catch (IOException e) {
throw new ProvisioningException("Failed to generate layer.conf", e);
}
String layersProp = props.getProperty(WfConstants.LAYERS);
if (layersProp == null || (layersProp = layersProp.trim()).length() == 0) {
continue;
}
final String[] layerNames = layersProp.split(",");
for(String layerName : layerNames) {
layers.add(layerName);
}
}
if(!layers.isEmpty()) {
final StringBuilder buf = new StringBuilder();
StringUtils.append(buf, layers);
props.setProperty(WfConstants.LAYERS, buf.toString());
}
try (BufferedWriter writer = Files.newBufferedWriter(distHome.resolve(WfConstants.MODULES).resolve(WfConstants.LAYERS_CONF))) {
props.store(writer, "Generated by WildFly Galleon provisioning plugin");
}
catch (IOException e) {
throw new ProvisioningException("Failed to persist generated layers.conf", e);
}
}
public static void extractArtifact(Path artifact, Path target, CopyArtifact copy) throws IOException {
if(!Files.exists(target)) {
Files.createDirectories(target);
}
try (FileSystem zipFS = FileSystems.newFileSystem(artifact, (ClassLoader) null)) {
for(Path zipRoot : zipFS.getRootDirectories()) {
Files.walkFileTree(zipRoot, EnumSet.of(FileVisitOption.FOLLOW_LINKS), Integer.MAX_VALUE,
new SimpleFileVisitor() {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)
throws IOException {
String entry = dir.toString().substring(1);
if(entry.isEmpty()) {
return FileVisitResult.CONTINUE;
}
if(!entry.endsWith("/")) {
entry += '/';
}
if(!copy.includeFile(entry)) {
return FileVisitResult.SKIP_SUBTREE;
}
final Path targetDir = target.resolve(zipRoot.relativize(dir).toString());
try {
Files.copy(dir, targetDir);
} catch (FileAlreadyExistsException e) {
if (!Files.isDirectory(targetDir))
throw e;
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
throws IOException {
if(copy.includeFile(file.toString().substring(1))) {
final Path targetPath = target.resolve(zipRoot.relativize(file).toString());
Files.copy(file, targetPath);
}
return FileVisitResult.CONTINUE;
}
});
}
}
}
static Map toArtifactsMap(String str) throws ProvisioningException {
if (str == null) {
return Collections.emptyMap();
}
String[] split = str.split("\\|");
Map ret = new HashMap<>();
for (String artifact : split) {
//grpid:artifactId:version:[classifier]:extension
// We could have overriden artifact with expression.
MavenArtifact mavenArtifact = new MavenArtifact();
// We expect the extension.
mavenArtifact.setExtension(null);
resolveArtifact(artifact, mavenArtifact, false);
StringBuilder builder = new StringBuilder();
if (mavenArtifact.getGroupId() == null || mavenArtifact.getArtifactId() == null || !mavenArtifact.hasVersion() ||
mavenArtifact.getExtension() == null) {
throw new IllegalArgumentException("Unexpected artifact coordinates format: " + artifact);
}
String grpId = check(artifact, mavenArtifact.getGroupId());
String artifactId = check(artifact, mavenArtifact.getArtifactId());
String version = check(artifact, mavenArtifact.getVersion());
String classifier = mavenArtifact.getClassifier();
if (classifier != null) {
classifier = classifier.trim();
}
String ext = check(artifact,mavenArtifact.getExtension());
String key = grpId + ":" + artifactId;
builder.append(grpId).append(":").append(artifactId).append(":").append(version).append(":");
if (classifier != null && !classifier.isEmpty()) {
key = key + "::" + classifier;
builder.append(classifier);
}
builder.append(":").append(ext);
ret.put(key, builder.toString());
}
return ret;
}
private static String check(String artifact, String item) {
if (item != null) {
item = item.trim();
}
if (item == null || item.isEmpty()) {
throw new IllegalArgumentException("Unexpected artifact coordinates format: " + artifact);
}
return item;
}
}
