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Subject [GitHub] nvazquez commented on a change in pull request #2379: CLOUDSTACK-10146: Bypass Secondary Storage for KVM templates
Date Thu, 01 Jan 1970 00:00:00 GMT
nvazquez 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_r159666173
 
 

 ##########
 File path: agent/src/com/cloud/agent/direct/download/NfsDirectTemplateDownloader.java
 ##########
 @@ -0,0 +1,74 @@
+//
+// 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.UriUtils;
+import com.cloud.utils.exception.CloudRuntimeException;
+import com.cloud.utils.script.Script;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.UUID;
+
+public class NfsDirectTemplateDownloader extends DirectTemplateDownloaderImpl {
+
+    private String srcHost;
+    private String srcPath;
+
+    private static final String mountCommand = "mount -t nfs %s %s";
+
+    /**
+     * Parse url and set srcHost and srcPath
+     */
+    private void parseUrl() {
+        URI uri = null;
+        String url = getUrl();
+        try {
+            uri = new URI(UriUtils.encodeURIComponent(url));
+            if (uri.getScheme() != null && uri.getScheme().equalsIgnoreCase("nfs"))
{
+                srcHost = uri.getHost();
+                srcPath = uri.getPath();
+            }
+        } catch (URISyntaxException e) {
+            throw new CloudRuntimeException("Invalid NFS url " + url + " caused error: "
+ e.getMessage());
+        }
+    }
+
+    public NfsDirectTemplateDownloader(String url, String destPool, Long templateId, String
checksum) {
+        super(url, destPool, templateId, checksum);
+        parseUrl();
+    }
+
+    @Override
+    public boolean downloadTemplate() {
+        try {
+            String mountSrcUuid = UUID.randomUUID().toString();
+            String mount = String.format(mountCommand, srcHost + ":" + srcPath, "/mnt/" +
mountSrcUuid);
+            Script.runSimpleBashScript(mount);
+            String downloadDir = getDestPoolPath() + File.separator + getDirectDownloadTempPath(getTemplateId());
+            setDownloadedFilePath(downloadDir + File.separator + getFileNameFromUrl());
+            Script.runSimpleBashScript("cp /mnt/" + mountSrcUuid + srcPath + " " + getDownloadedFilePath());
+            Script.runSimpleBashScript("umount /mnt/" + mountSrcUuid);
+        } catch (Exception e) {
 
 Review comment:
   Not really, it was just for throwing a checked when download method returns false on KVMStorageProcessor,
I'll refactor this

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