virajjasani commented on code in PR #5554:
URL: https://github.com/apache/hadoop/pull/5554#discussion_r1187927801
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/tools/federation/RouterAdmin.java:
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@@ -462,6 +482,136 @@ public int run(String[] argv) throws Exception {
return exitCode;
}
+ /**
+ * Add all mount point entries provided in the request.
+ *
+ * @param parameters Parameters for the mount points.
+ * @param i Current index on the parameters array.
+ * @return True if adding all mount points was successful, False otherwise.
+ * @throws IOException If the RPC call to add the mount points fail.
+ */
+ private boolean addAllMount(String[] parameters, int i) throws IOException {
+ List<AddMountAttributes> addMountAttributesList = new ArrayList<>();
+ while (i < parameters.length) {
+ AddMountAttributes addMountAttributes =
getAddMountAttributes(parameters, i, true);
+ if (addMountAttributes == null) {
+ return false;
+ }
+ i = addMountAttributes.getParamIndex();
+ addMountAttributesList.add(addMountAttributes);
+ }
+ List<MountTable> addEntries =
getMountTablesFromAddAllAttributes(addMountAttributesList);
+ AddMountTableEntriesRequest request =
+ AddMountTableEntriesRequest.newInstance(addEntries);
+ MountTableManager mountTable = client.getMountTableManager();
+ AddMountTableEntriesResponse addResponse =
+ mountTable.addMountTableEntries(request);
+ boolean added = addResponse.getStatus();
+ if (!added) {
+ System.err.println("Cannot add some or all mount points");
+ }
+ return added;
+ }
+
+ /**
+ * From the given params, form and retrieve AddMountAttributes object. This
object is meant
+ * to be used while adding single or multiple mount points with their own
specific attributes.
+ *
+ * @param parameters Parameters for the mount point.
+ * @param i Current index on the parameters array.
+ * @param isMultipleAdd True if multiple mount points are to be added, False
if single mount
+ * point is to be added.
+ * @return AddMountAttributes object.
+ */
+ private static AddMountAttributes getAddMountAttributes(String[] parameters,
int i,
+ boolean isMultipleAdd) {
+ // Mandatory parameters
+ String mount = parameters[i++];
+ String[] nss = parameters[i++].split(",");
+ String dest = parameters[i++];
Review Comment:
Sounds good, thank you for the reference Ayush!
let me pull in some code from that PR to keep both close enough :)
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