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package org.openslx.bwlp.sat.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.Properties;
import javax.net.ssl.SSLContext;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.openslx.util.Util;
public class Configuration {
private static final Logger LOGGER = LogManager.getLogger(Configuration.class);
private static final DateTimeFormatter subdirDate = DateTimeFormat.forPattern("yy-MM");
private static final String DEFAULT_WEBSERVER_BIND_ADDRESS_LOCAL = "127.0.0.1";
private static File vmStoreBasePath;
private static File vmStoreProdPath;
private static String dbUri;
private static String dbUsername;
private static String dbPassword;
private static String masterAddress;
private static boolean masterSsl = true;
private static int masterPort = 9091;
private static boolean webServerBindLocalhost = true;
private static String dbLocationTable;
private static SSLContext ctx = null;
public static boolean load() throws IOException {
// Load configuration from java properties file
Properties prop = new Properties();
InputStream in = new FileInputStream("./config.properties");
try {
prop.load(in);
} finally {
in.close();
}
vmStoreBasePath = new File(prop.getProperty("vmstore.path"));
vmStoreProdPath = new File(vmStoreBasePath, "bwlehrpool_store");
dbUri = prop.getProperty("db.uri");
dbUsername = prop.getProperty("db.username");
dbPassword = prop.getProperty("db.password");
dbLocationTable = prop.getProperty("db.location-table");
masterAddress = prop.getProperty("master.address");
if (!Util.isEmptyString(prop.getProperty("master.ssl"))) {
masterSsl = Boolean.parseBoolean(prop.getProperty("master.ssl"));
}
try {
masterPort = Integer.parseInt(prop.getProperty("master.port"));
} catch (Exception e) {
}
if (!Util.isEmptyString(prop.getProperty("webserver.bindLocalhost"))) {
webServerBindLocalhost = Boolean.parseBoolean(prop.getProperty("webserver.bindLocalhost"));
}
// Currently all fields are mandatory but there might be optional settings in the future
return vmStoreBasePath != null && dbUri != null && dbUsername != null && dbPassword != null;
}
// Static ("real") fields
/**
* Get the path of the VM storage space. Traditionally, this is
* '/srv/openslx/nfs'.
*
* @return path of the VM storage
*/
public static File getVmStoreBasePath() {
return vmStoreBasePath;
}
public static String getDbUri() {
return dbUri;
}
public static String getDbUsername() {
return dbUsername;
}
public static String getDbPassword() {
return dbPassword;
}
public static String getDbLocationTable() {
return dbLocationTable;
}
public static File getVmStoreProdPath() {
return vmStoreProdPath;
}
public static String getMasterServerAddress() {
return masterAddress;
}
public static boolean getMasterServerSsl() {
return masterSsl;
}
public static int getMasterServerPort() {
return masterPort;
}
public static boolean getWebServerBindLocalhost() {
return webServerBindLocalhost;
}
public static String getWebServerBindAddressLocal() {
if (getWebServerBindLocalhost()) {
return DEFAULT_WEBSERVER_BIND_ADDRESS_LOCAL;
} else {
// do not bind to the localhost address
return null;
}
}
// Dynamically Computed fields
public static File getCurrentVmStorePath() {
return new File(vmStoreProdPath, subdirDate.print(System.currentTimeMillis()));
}
public static SSLContext getMasterServerSslContext() throws NoSuchAlgorithmException,
KeyManagementException {
if (!getMasterServerSsl())
throw new RuntimeException("SSL not activated");
if (ctx == null) {
synchronized (LOGGER) {
if (ctx == null) {
ctx = SSLContext.getInstance("TLSv1.2");
ctx.init(null, null, null);
}
}
}
return ctx;
}
}
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