dsmiley commented on a change in pull request #23:
URL: https://github.com/apache/solr/pull/23#discussion_r603761380



##########
File path: solr/core/src/java/org/apache/solr/core/backup/BackupManager.java
##########
@@ -296,51 +293,45 @@ public void downloadCollectionProperties(String 
collectionName) throws IOExcepti
     }
   }
 
-  private void downloadFromZK(SolrZkClient zkClient, String zkPath, URI dir) 
throws IOException {
-    try {
-      List<String> files = zkClient.getChildren(zkPath, null, true);
-      for (String file : files) {
-        List<String> children = zkClient.getChildren(zkPath + "/" + file, 
null, true);
-        if (children.size() == 0) {
-          log.debug("Writing file {}", file);
-          byte[] data = zkClient.getData(zkPath + "/" + file, null, null, 
true);
-          try (OutputStream os = 
repository.createOutput(repository.resolve(dir, file))) {
-            os.write(data);
-          }
-        } else {
-          URI uri = repository.resolve(dir, file);
-          if (!repository.exists(uri)) {
-            repository.createDirectory(uri);
-          }
-          downloadFromZK(zkClient, zkPath + "/" + file, 
repository.resolve(dir, file));
+  private void downloadConfigToRepo(ConfigSetService configSetService, String 
configName, URI dir) throws IOException {
+    List<String> filePaths = configSetService.getAllConfigFiles(configName);
+    for (String filePath : filePaths) {
+      URI uri = repository.resolve(dir, filePath);
+      if (!filePath.endsWith("/")) {
+        log.debug("Writing file {}", filePath);
+        byte[] data = configSetService.downloadFileFromConfig(configName, 
filePath);
+        try (OutputStream os = repository.createOutput(uri)) {
+          os.write(data);
+        }
+      } else {
+        if (!repository.exists(uri)) {
+          repository.createDirectory(uri);
         }
       }
-    } catch (KeeperException | InterruptedException e) {
-      throw new IOException("Error downloading files from zookeeper path " + 
zkPath + " to " + dir.toString(),
-              SolrZkClient.checkInterrupted(e));
     }
   }
 
-  private void uploadToZk(SolrZkClient zkClient, URI sourceDir, String 
destZkPath) throws IOException {
+  private void uploadConfigToConfigRepo(ConfigSetService configSetService, URI 
sourceDir, String configName, String filePrefix) throws IOException {

Review comment:
       I suggest naming `uploadConfigFromRepo` or  `uploadConfigToSolrCloud`




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