rafaelweingartner commented on a change in pull request #2379: CLOUDSTACK-10146: Bypass Secondary Storage for KVM templates URL: https://github.com/apache/cloudstack/pull/2379#discussion_r159627202
########## File path: agent/src/com/cloud/agent/direct/download/DirectTemplateDownloaderImpl.java ########## @@ -0,0 +1,193 @@ +// +// 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.agent.direct.download; + +import com.cloud.utils.exception.CloudRuntimeException; +import com.cloud.utils.script.Script; +import org.apache.cloudstack.utils.security.ChecksumValue; +import org.apache.commons.lang.StringUtils; + +import java.io.File; +import java.util.UUID; + +public abstract class DirectTemplateDownloaderImpl implements DirectTemplateDownloader { + + private String url; + private String destPoolPath; + private Long templateId; + private String downloadedFilePath; + private String installPath; + private String checksum; + + protected DirectTemplateDownloaderImpl(final String url, final String destPoolPath, final Long templateId, final String checksum) { + this.url = url; + this.destPoolPath = destPoolPath; + this.templateId = templateId; + this.checksum = checksum; + } + + private static String directDownloadDir = "template"; + + /** + * Return direct download temporary path to download template + * @param templateId + * @return + */ + protected static String getDirectDownloadTempPath(Long templateId) { + String templateIdAsString = String.valueOf(templateId); + return directDownloadDir + File.separator + templateIdAsString.substring(0,1) + + File.separator + templateIdAsString; + } + + /** + * Create folder on path if it does not exist + * @param path + */ + protected void createFolder(String path) { + File dir = new File(path); + if (!dir.exists()) { + dir.mkdirs(); + } + } + + public String getUrl() { + return url; + } + + public String getDestPoolPath() { + return destPoolPath; + } + + public Long getTemplateId() { + return templateId; + } + + public String getDownloadedFilePath() { + return downloadedFilePath; + } + + public void setDownloadedFilePath(String filePath) { + this.downloadedFilePath = filePath; + } + + /** + * Return filename from url + * @return + */ + public String getFileNameFromUrl() { + String[] urlParts = url.split("/"); + return urlParts[urlParts.length - 1]; + } + + /** + * Checks if downloaded template is extractable + * @return true if it should be extracted, false if not + */ + private boolean isTemplateExtractable() { + String type = Script.runSimpleBashScript("file " + downloadedFilePath + " | awk -F' ' '{print $2}'"); + return type.equalsIgnoreCase("bzip2") || type.equalsIgnoreCase("gzip") || type.equalsIgnoreCase("zip"); + } + + @Override + public boolean extractAndInstallDownloadedTemplate() { + installPath = UUID.randomUUID().toString(); + if (isTemplateExtractable()) { + extractDownloadedTemplate(); + } else { + Script.runSimpleBashScript("mv " + downloadedFilePath + " " + getInstallFullPath()); + } + return true; + } + + /** + * Return install full path + * @return + */ + private String getInstallFullPath() { + return destPoolPath + File.separator + installPath; + } + + /** + * Return extract command to execute given downloaded file + * @return Review comment: Empty @Return ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
