private static String getSCIqn() {
try {
Runtime rt = Runtime.getRuntime();
Process proc =
rt.exec(
new String[] {StorageProperties.EUCA_ROOT_WRAPPER, "cat", ISCSI_INITIATOR_NAME_CONF});
StreamConsumer error = new StreamConsumer(proc.getErrorStream());
ConfigParser output = new ConfigParser(proc.getInputStream());
error.start();
output.start();
output.join();
error.join();
if (output.getValues() != null && output.getValues().containsKey("InitiatorName")) {
return output.getValues().get("InitiatorName");
}
} catch (Exception t) {
LOG.error("Failed to get local SC's initiator iqn from " + ISCSI_INITIATOR_NAME_CONF, t);
}
return null;
}
private void getResponseToFile() {
byte[] bytes = new byte[StorageProperties.TRANSFER_CHUNK_SIZE];
FileOutputStream fileOutputStream = null;
BufferedOutputStream bufferedOut = null;
try {
File outFile = null;
File outFileUncompressed = null;
if (compressed) {
String outFileNameUncompressed =
tempPath + File.pathSeparator + file.getName() + Hashes.getRandom(16);
outFileUncompressed = new File(outFileNameUncompressed);
outFile = new File(outFileNameUncompressed + ".gz");
} else {
outFile = file;
}
httpClient.executeMethod(method);
// GZIPInputStream has a bug thats corrupting snapshot file system. Mounting the block device
// failed with unknown file system error
/*InputStream httpIn = null;
if(compressed) {
httpIn = new GZIPInputStream(method.getResponseBodyAsStream());
}
else {
httpIn = method.getResponseBodyAsStream();
}*/
InputStream httpIn = method.getResponseBodyAsStream();
int bytesRead;
fileOutputStream = new FileOutputStream(outFile);
// fileOutputStream = new FileOutputStream(file);
bufferedOut = new BufferedOutputStream(fileOutputStream);
while ((bytesRead = httpIn.read(bytes)) > 0) {
bufferedOut.write(bytes, 0, bytesRead);
}
bufferedOut.close();
if (compressed) {
try {
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(new String[] {"/bin/gunzip", outFile.getAbsolutePath()});
StreamConsumer error = new StreamConsumer(proc.getErrorStream());
StreamConsumer output = new StreamConsumer(proc.getInputStream());
error.start();
output.start();
output.join();
error.join();
} catch (Exception t) {
LOG.error(t);
}
if ((outFileUncompressed != null) && (!outFileUncompressed.renameTo(file))) {
LOG.error("Unable to uncompress: " + outFile.getAbsolutePath());
return;
}
}
} catch (Exception ex) {
LOG.error(ex, ex);
} finally {
method.releaseConnection();
if (bufferedOut != null) {
try {
bufferedOut.close();
} catch (IOException e) {
LOG.error(e);
}
}
if (fileOutputStream != null) {
try {
fileOutputStream.close();
} catch (IOException e) {
LOG.error(e);
}
}
}
}