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org.elasticsearch.plugins.PluginManager Maven / Gradle / Ivy
ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.elasticsearch.plugins;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.http.client.HttpDownloadHelper;
import org.elasticsearch.common.io.FileSystemUtils;
import org.elasticsearch.common.io.Streams;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.node.internal.InternalSettingsPerparer;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import static org.elasticsearch.common.settings.ImmutableSettings.Builder.EMPTY_SETTINGS;
/**
*
*/
public class PluginManager {
private final Environment environment;
private String url;
public PluginManager(Environment environment, String url) {
this.environment = environment;
this.url = url;
TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(
java.security.cert.X509Certificate[] certs, String authType) {
}
public void checkServerTrusted(
java.security.cert.X509Certificate[] certs, String authType) {
}
}
};
// Install the all-trusting trust manager
try {
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
} catch (Exception e) {
e.printStackTrace();
}
}
public void downloadAndExtract(String name, boolean verbose) throws IOException {
HttpDownloadHelper downloadHelper = new HttpDownloadHelper();
if (!environment.pluginsFile().canWrite()) {
System.out.println();
throw new IOException("plugin directory " + environment.pluginsFile() + " is read only");
}
File pluginFile = new File(environment.pluginsFile(), name + ".zip");
// first, try directly from the URL provided
boolean downloaded = false;
if (url != null) {
URL pluginUrl = new URL(url);
System.out.println("Trying " + pluginUrl.toExternalForm() + "...");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (IOException e) {
// ignore
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e));
}
}
}
// now, try as a path name...
String filterZipName = null;
if (!downloaded) {
if (name.indexOf('/') != -1) {
// github repo
String[] elements = name.split("/");
String userName = elements[0];
String repoName = elements[1];
String version = null;
if (elements.length > 2) {
version = elements[2];
}
filterZipName = userName + "-" + repoName;
// the installation file should not include the userName, just the repoName
name = repoName;
if (name.startsWith("elasticsearch-")) {
// remove elasticsearch- prefix
name = name.substring("elasticsearch-".length());
} else if (name.startsWith("es-")) {
// remove es- prefix
name = name.substring("es-".length());
}
// update the plugin file name to reflect the extracted name
pluginFile = new File(environment.pluginsFile(), name + ".zip");
if (version != null) {
URL pluginUrl = new URL("http://download.elasticsearch.org/" + userName + "/" + repoName + "/" + repoName + "-" + version + ".zip");
System.out.println("Trying " + pluginUrl.toExternalForm() + "...");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (Exception e) {
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e));
}
}
if (!downloaded) {
// try maven, see if its there... (both central and sonatype)
pluginUrl = new URL("http://search.maven.org/remotecontent?filepath=" + userName.replace('.', '/') + "/" + repoName + "/" + version + "/" + repoName + "-" + version + ".zip");
System.out.println("Trying " + pluginUrl.toExternalForm() + "...");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (Exception e) {
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e));
}
}
if (!downloaded) {
pluginUrl = new URL("https://oss.sonatype.org/service/local/repositories/releases/content/" + userName.replace('.', '/') + "/" + repoName + "/" + version + "/" + repoName + "-" + version + ".zip");
System.out.println("Trying " + pluginUrl.toExternalForm() + "...");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (Exception e) {
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e));
}
}
}
}
if (!downloaded) {
// try it as a site plugin tagged
pluginUrl = new URL("https://github.com/" + userName + "/" + repoName + "/zipball/v" + version);
System.out.println("Trying " + pluginUrl.toExternalForm() + "... (assuming site plugin)");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (Exception e1) {
// ignore
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e1));
}
}
}
} else {
// assume site plugin, download master....
URL pluginUrl = new URL("https://github.com/" + userName + "/" + repoName + "/zipball/master");
System.out.println("Trying " + pluginUrl.toExternalForm() + "... (assuming site plugin)");
try {
downloadHelper.download(pluginUrl, pluginFile, new HttpDownloadHelper.VerboseProgress(System.out));
downloaded = true;
} catch (Exception e2) {
// ignore
if (verbose) {
System.out.println("Failed: " + ExceptionsHelper.detailedMessage(e2));
}
}
}
}
}
if (!downloaded) {
throw new IOException("failed to download out of all possible locations..., use -verbose to get detailed information");
}
// extract the plugin
File extractLocation = new File(environment.pluginsFile(), name);
if (extractLocation.exists()) {
throw new IOException("plugin directory already exists. To update the plugin, uninstall it first using -remove " + name + " command");
}
ZipFile zipFile = null;
try {
zipFile = new ZipFile(pluginFile);
Enumeration zipEntries = zipFile.entries();
while (zipEntries.hasMoreElements()) {
ZipEntry zipEntry = zipEntries.nextElement();
if (zipEntry.isDirectory()) {
continue;
}
String zipName = zipEntry.getName().replace('\\', '/');
if (filterZipName != null) {
if (zipName.startsWith(filterZipName)) {
zipName = zipName.substring(zipName.indexOf('/'));
}
}
File target = new File(extractLocation, zipName);
FileSystemUtils.mkdirs(target.getParentFile());
Streams.copy(zipFile.getInputStream(zipEntry), new FileOutputStream(target));
}
} catch (Exception e) {
System.err.println("failed to extract plugin [" + pluginFile + "]: " + ExceptionsHelper.detailedMessage(e));
return;
} finally {
if (zipFile != null) {
try {
zipFile.close();
} catch (IOException e) {
// ignore
}
}
pluginFile.delete();
}
if (FileSystemUtils.hasExtensions(extractLocation, ".java")) {
System.out.println("Plugin installation assumed to be site plugin, but contains source code, aborting installation...");
FileSystemUtils.deleteRecursively(extractLocation);
return;
}
File binFile = new File(extractLocation, "bin");
if (binFile.exists() && binFile.isDirectory()) {
File toLocation = new File(new File(environment.homeFile(), "bin"), name);
System.out.println("Found bin, moving to " + toLocation.getAbsolutePath());
FileSystemUtils.deleteRecursively(toLocation);
binFile.renameTo(toLocation);
}
// try and identify the plugin type, see if it has no .class or .jar files in it
// so its probably a _site, and it it does not have a _site in it, move everything to _site
if (!new File(extractLocation, "_site").exists()) {
if (!FileSystemUtils.hasExtensions(extractLocation, ".class", ".jar")) {
System.out.println("Identified as a _site plugin, moving to _site structure ...");
File site = new File(extractLocation, "_site");
File tmpLocation = new File(environment.pluginsFile(), name + ".tmp");
extractLocation.renameTo(tmpLocation);
FileSystemUtils.mkdirs(extractLocation);
tmpLocation.renameTo(site);
}
}
System.out.println("Installed " + name);
}
public void removePlugin(String name) throws IOException {
File pluginToDelete = new File(environment.pluginsFile(), name);
if (pluginToDelete.exists()) {
FileSystemUtils.deleteRecursively(pluginToDelete, true);
}
pluginToDelete = new File(environment.pluginsFile(), name + ".zip");
if (pluginToDelete.exists()) {
pluginToDelete.delete();
}
File binLocation = new File(new File(environment.homeFile(), "bin"), name);
if (binLocation.exists()) {
FileSystemUtils.deleteRecursively(binLocation);
}
}
public void listInstalledPlugins() {
File[] plugins = environment.pluginsFile().listFiles();
System.out.println("Installed plugins:");
if (plugins.length == 0) {
System.out.println(" - No plugin detected in " + environment.pluginsFile().getAbsolutePath());
}
for (int i = 0; i < plugins.length; i++) {
System.out.println(" - " + plugins[i].getName());
}
}
public static void main(String[] args) {
Tuple initialSettings = InternalSettingsPerparer.prepareSettings(EMPTY_SETTINGS, true);
if (!initialSettings.v2().pluginsFile().exists()) {
FileSystemUtils.mkdirs(initialSettings.v2().pluginsFile());
}
String url = null;
boolean verbose = false;
for (int i = 0; i < args.length; i++) {
String command = args[i];
if ("-u".equals(command) || "--url".equals(command)
// Deprecated commands
|| "url".equals(command) || "-url".equals(command)) {
try {
url = args[i + 1];
} catch (Exception e) {
displayHelp("Error while installing plugin, reason: " + e.getClass().getSimpleName() +
": " + e.getMessage());
System.exit(1);
}
} else if ("-v".equals(command) || "--v".equals(command)
|| "verbose".equals(command) || "-verbose".equals(command)) {
verbose = true;
}
}
PluginManager pluginManager = new PluginManager(initialSettings.v2(), url);
if (args.length < 1) {
displayHelp(null);
}
for (int c = 0; c < args.length; c++) {
String command = args[c];
if (command.equals("-i") || command.equals("--install")
// Deprecated commands
|| command.equals("install") || command.equals("-install")) {
String pluginName = null;
try {
pluginName = args[++c];
System.out.println("-> Installing " + pluginName + "...");
pluginManager.downloadAndExtract(pluginName, verbose);
} catch (IOException e) {
System.out.println("Failed to install " + pluginName + ", reason: " + e.getMessage());
} catch (Exception e) {
displayHelp("Error while installing plugin, reason: " + e.getClass().getSimpleName() +
": " + e.getMessage());
System.exit(1);
}
} else if (command.equals("-r") || command.equals("--remove")
// Deprecated commands
|| command.equals("remove") || command.equals("-remove")) {
String pluginName = null;
try {
pluginName = args[++c];
System.out.println("-> Removing " + pluginName + " ");
pluginManager.removePlugin(pluginName);
} catch (IOException e) {
System.out.println("Failed to remove " + pluginName + ", reason: " + e.getMessage());
} catch (Exception e) {
displayHelp("Error while removing plugin, reason: " + e.getClass().getSimpleName() +
": " + e.getMessage());
}
} else if (command.equals("-l") || command.equals("--list")) {
pluginManager.listInstalledPlugins();
} else if (command.equals("-h") || command.equals("--help")) {
displayHelp(null);
} else {
displayHelp("Command [" + args[c] + "] unknown.");
// Unknown command. We break...
System.exit(1);
}
}
}
private static void displayHelp(String message) {
System.out.println("Usage:");
System.out.println(" -u, --url [plugin location] : Set exact URL to download the plugin from");
System.out.println(" -i, --install [plugin name] : Downloads and installs listed plugins [*]");
System.out.println(" -r, --remove [plugin name] : Removes listed plugins");
System.out.println(" -l, --list : List installed plugins");
System.out.println(" -v, --verbose : Prints verbose messages");
System.out.println(" -h, --help : Prints this help message");
System.out.println();
System.out.println(" [*] Plugin name could be:");
System.out.println(" elasticsearch/plugin/version for official elasticsearch plugins (download from download.elasticsearch.org)");
System.out.println(" groupId/artifactId/version for community plugins (download from maven central or oss sonatype)");
System.out.println(" username/repository for site plugins (download from github master)");
if (message != null) {
System.out.println();
System.out.println("Message:");
System.out.println(" " + message);
}
}
}
