| // |
| // 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 com.cloud.storage.template; |
| |
| import java.io.File; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| |
| |
| import com.trilead.ssh2.SCPClient; |
| |
| import com.cloud.storage.StorageLayer; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| public class ScpTemplateDownloader extends TemplateDownloaderBase implements TemplateDownloader { |
| |
| public ScpTemplateDownloader(StorageLayer storageLayer, String downloadUrl, String toDir, long maxTemplateSizeInBytes, DownloadCompleteCallback callback) { |
| super(storageLayer, downloadUrl, toDir, maxTemplateSizeInBytes, callback); |
| |
| URI uri; |
| try { |
| uri = new URI(_downloadUrl); |
| } catch (URISyntaxException e) { |
| logger.warn("URI syntax error: " + _downloadUrl); |
| _status = Status.UNRECOVERABLE_ERROR; |
| return; |
| } |
| |
| String path = uri.getPath(); |
| String filename = path.substring(path.lastIndexOf("/") + 1); |
| _toFile = toDir + File.separator + filename; |
| } |
| |
| @Override |
| public long download(boolean resume, DownloadCompleteCallback callback) { |
| if (_status == Status.ABORTED || _status == Status.UNRECOVERABLE_ERROR || _status == Status.DOWNLOAD_FINISHED) { |
| return 0; |
| } |
| |
| _resume = resume; |
| |
| _start = System.currentTimeMillis(); |
| |
| URI uri; |
| try { |
| uri = new URI(_downloadUrl); |
| } catch (URISyntaxException e1) { |
| _status = Status.UNRECOVERABLE_ERROR; |
| return 0; |
| } |
| |
| String username = uri.getUserInfo(); |
| String queries = uri.getQuery(); |
| String password = null; |
| if (queries != null) { |
| String[] qs = queries.split("&"); |
| for (String q : qs) { |
| String[] tokens = q.split("="); |
| if (tokens[0].equalsIgnoreCase("password")) { |
| password = tokens[1]; |
| break; |
| } |
| } |
| } |
| int port = uri.getPort(); |
| if (port == -1) { |
| port = 22; |
| } |
| File file = new File(_toFile); |
| |
| com.trilead.ssh2.Connection sshConnection = new com.trilead.ssh2.Connection(uri.getHost(), port); |
| try { |
| if (_storage != null) { |
| file.createNewFile(); |
| _storage.setWorldReadableAndWriteable(file); |
| } |
| |
| sshConnection.connect(null, 60000, 60000); |
| if (!sshConnection.authenticateWithPassword(username, password)) { |
| throw new CloudRuntimeException("Unable to authenticate"); |
| } |
| |
| SCPClient scp = new SCPClient(sshConnection); |
| |
| String src = uri.getPath(); |
| |
| _status = Status.IN_PROGRESS; |
| scp.get(src, _toDir); |
| |
| if (!file.exists()) { |
| _status = Status.UNRECOVERABLE_ERROR; |
| logger.debug("unable to scp the file " + _downloadUrl); |
| return 0; |
| } |
| |
| _status = Status.DOWNLOAD_FINISHED; |
| |
| _totalBytes = file.length(); |
| |
| String downloaded = "(download complete)"; |
| |
| _errorString = "Downloaded " + _remoteSize + " bytes " + downloaded; |
| _downloadTime += System.currentTimeMillis() - _start; |
| return _totalBytes; |
| |
| } catch (Exception e) { |
| logger.warn("Unable to download " + _downloadUrl, e); |
| _status = TemplateDownloader.Status.UNRECOVERABLE_ERROR; |
| _errorString = e.getMessage(); |
| return 0; |
| } finally { |
| sshConnection.close(); |
| if (_status == Status.UNRECOVERABLE_ERROR && file.exists()) { |
| file.delete(); |
| } |
| if (callback != null) { |
| callback.downloadComplete(_status); |
| } |
| } |
| } |
| |
| @Override |
| public int getDownloadPercent() { |
| if (_status == Status.DOWNLOAD_FINISHED) { |
| return 100; |
| } else if (_status == Status.IN_PROGRESS) { |
| return 50; |
| } else { |
| return 0; |
| } |
| } |
| |
| public static void main(String[] args) { |
| String url = "scp://root@sol10-2/root/alex/agent.zip?password=password"; |
| TemplateDownloader td = new ScpTemplateDownloader(null, url, "/tmp/mysql", TemplateDownloader.DEFAULT_MAX_TEMPLATE_SIZE_IN_BYTES, null); |
| long bytes = td.download(true, null); |
| if (bytes > 0) { |
| System.out.println("Downloaded (" + bytes + " bytes)" + " in " + td.getDownloadTime() / 1000 + " secs"); |
| } else { |
| System.out.println("Failed download"); |
| } |
| |
| } |
| } |