aalhour commented on code in PR #5681: URL: https://github.com/apache/hbase/pull/5681#discussion_r1491291694
########## hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerReportForDuty.java: ########## @@ -241,6 +243,125 @@ public void run() { waitForClusterOnline(master); } + /** + * Tests that the RegionServer's reportForDuty gets rejected by the master when the master is + * configured to reject decommissioned hosts and when there is a match for the joining + * RegionServer in the list of decommissioned servers. Test case for HBASE-28342. + */ + @Test + public void testReportForDutyGetsRejectedByMasterWhenConfiguredToRejectDecommissionedHosts() + throws Exception { + // Start a master and wait for it to become the active/primary master. + // Use a random unique port + cluster.getConfiguration().setInt(HConstants.MASTER_PORT, HBaseTestingUtil.randomFreePort()); + cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1); + cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MAXTOSTART, 1); + + // Set the cluster to reject decommissioned hosts + cluster.getConfiguration().setBoolean(HConstants.REJECT_DECOMMISSIONED_HOSTS_KEY, true); + + master = cluster.addMaster(); + rs = cluster.addRegionServer(); + LOG.debug("Starting master: " + master.getMaster().getServerName()); + master.start(); + rs.start(); + + waitForClusterOnline(master); + + assertEquals(0, master.getMaster().listDecommissionedRegionServers().size()); + assertEquals(0, master.getMaster().getServerManager().getDrainingServersList().size()); + assertEquals(1, master.getMaster().getServerManager().getOnlineServers().size()); + + // Decommission the region server and tries to re-add it + List<ServerName> serversToDecommission = new ArrayList<ServerName>(); + serversToDecommission.add(rs.getRegionServer().getServerName()); + master.getMaster().decommissionRegionServers(serversToDecommission, true); + + // Assert that the server is now decommissioned + ServerName decommissionedServer = master.getMaster().listDecommissionedRegionServers().get(0); + assertEquals(1, master.getMaster().listDecommissionedRegionServers().size()); + assertEquals(1, master.getMaster().getServerManager().getDrainingServersList().size()); + assertEquals(1, master.getMaster().getServerManager().getOnlineServers().size()); + assertEquals(rs.getRegionServer().getServerName().toString(), + decommissionedServer.getServerName()); + + // Create a second region server + cluster.getConfiguration().set(HConstants.REGION_SERVER_IMPL, MyRegionServer.class.getName()); + rs2 = cluster.addRegionServer(); + rs2.start(); + waitForSecondRsStarted(); + + // Assert that the number of decommissioned and live hosts didn't change and that the hostname + // of rs2 matches that of the decommissioned server + String rs2HostName = rs2.getRegionServer().getServerName().getHostname(); + assertEquals(1, master.getMaster().listDecommissionedRegionServers().size()); + assertEquals(1, master.getMaster().getServerManager().getDrainingServersList().size()); + assertEquals(1, master.getMaster().getLiveRegionServers().size()); + assertEquals(1, master.getMaster().getServerManager().getOnlineServers().size()); + assertEquals(rs2HostName, decommissionedServer.getHostname()); + } + + /** + * Tests that the RegionServer's reportForDuty gets accepted by the master when the master is not + * configured to reject decommissioned hosts, even when there is a match for the joining + * RegionServer in the list of decommissioned servers. Test case for HBASE-28342. + */ + @Test + public void testReportForDutyGetsAcceptedByMasterWhenNotConfiguredToRejectDecommissionedHosts() + throws Exception { + // Start a master and wait for it to become the active/primary master. + // Use a random unique port + cluster.getConfiguration().setInt(HConstants.MASTER_PORT, HBaseTestingUtil.randomFreePort()); + cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1); + cluster.getConfiguration().setInt(ServerManager.WAIT_ON_REGIONSERVERS_MAXTOSTART, 1); + + // Set the cluster to not reject decommissioned hosts (default behavior) + cluster.getConfiguration().setBoolean(HConstants.REJECT_DECOMMISSIONED_HOSTS_KEY, false); + + master = cluster.addMaster(); + rs = cluster.addRegionServer(); + LOG.debug("Starting master: " + master.getMaster().getServerName()); + master.start(); + rs.start(); + + waitForClusterOnline(master); Review Comment: This method call waits for the master to initialize and for the `rs` instance variable thread to start. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@hbase.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org