/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.ignite.mesos.resource;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import org.apache.ignite.mesos.ClusterProperties;
/**
* Class downloads and stores Ignite.
*/
public class IgniteProvider {
// This constants are set by maven-ant-plugin.
/** */
private static final String DOWNLOAD_LINK = "http://ignite.run/download_ignite.php";
/** */
private static final String DOWNLOAD_URL_PATTERN = "https://archive.apache.org/dist/ignite/%s/apache-ignite-fabric-%s-bin.zip";
/** */
private String downloadFolder;
/**
* @param downloadFolder Folder with ignite.
*/
public IgniteProvider(String downloadFolder) {
this.downloadFolder = downloadFolder;
}
/**
* @param ver Ignite version.
* @throws IOException If downloading failed.
* @return Path to latest ignite.
*/
public String getIgnite(String ver) throws IOException {
return downloadIgnite(ver);
}
/**
* @param ver Ignite version which will be downloaded. If {@code null} will download the latest ignite version.
* @throws IOException If downloading failed.
* @return Ignite archive.
*/
public String downloadIgnite(String ver) throws IOException {
assert ver != null;
URL url;
if (ver.equals(ClusterProperties.DEFAULT_IGNITE_VERSION)) {
URL updateUrl = new URL(DOWNLOAD_LINK);
HttpURLConnection conn = (HttpURLConnection)updateUrl.openConnection();
int code = conn.getResponseCode();
if (code == 200)
url = conn.getURL();
else
throw new RuntimeException("Failed to download ignite distributive. Maybe set incorrect version? " +
"[resCode:" + code + ", ver: " + ver + "]");
}
else
url = new URL(String.format(DOWNLOAD_URL_PATTERN, ver.replace("-incubating", ""), ver));
return downloadIgnite(url);
}
/**
* Downloads ignite by URL if this version wasn't downloaded before.
*
* @param url URL to Ignite.
* @return File name.
*/
private String downloadIgnite(URL url) {
assert url != null;
try {
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
int code = conn.getResponseCode();
if (code == 200) {
checkDownloadFolder();
String fileName = fileName(url.toString());
if (fileExist(fileName))
return fileName;
FileOutputStream outFile = new FileOutputStream(downloadFolder + fileName);
outFile.getChannel().transferFrom(Channels.newChannel(conn.getInputStream()), 0, Long.MAX_VALUE);
outFile.close();
return fileName;
}
else
throw new RuntimeException("Got unexpected response code. Response code: " + code);
}
catch (IOException e) {
throw new RuntimeException("Failed to download Ignite.", e);
}
}
/**
* Checks that file exists.
*
* @param fileName File name.
* @return {@code True} if file exist otherwise {@code false}.
*/
private boolean fileExist(String fileName) {
String pathToIgnite = downloadFolder + (downloadFolder.endsWith("/") ? "" : '/') + fileName;
return new File(pathToIgnite).exists();
}
/**
* Copy file to working directory.
*
* @param filePath File path.
* @return File name.
* @throws IOException If coping failed.
*/
String copyToWorkDir(String filePath) throws IOException {
Path srcFile = Paths.get(filePath);
if (Files.exists(srcFile)) {
checkDownloadFolder();
Path newDir = Paths.get(downloadFolder);
Path fileName = srcFile.getFileName();
Files.copy(srcFile, newDir.resolve(fileName), StandardCopyOption.REPLACE_EXISTING);
return fileName.toString();
}
return null;
}
/**
* @return Download folder.
*/
private File checkDownloadFolder() {
File file = new File(downloadFolder);
if (!file.exists())
file.mkdirs();
if (!file.exists())
throw new IllegalArgumentException("Failed to create working directory: " + downloadFolder);
return file;
}
/**
* @param url URL.
* @return File name.
*/
private static String fileName(String url) {
String[] split = url.split("/");
return split[split.length - 1];
}
}