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); } } } }