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HBASE-24112 [RSGroup] Support renaming rsgroup #1435

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Apr 13, 2020
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HBASE-24112 [RSGroup] Support renaming rsgroup #1435

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9c473f0
HBASE-24112 [RSGroup] Support renaming rsgroup
Reidddddd Apr 4, 2020
6105914
Address review comments
Reidddddd Apr 6, 2020
d4163d6
Avoid reopen regions, since there's no location changes
Reidddddd Apr 6, 2020
65a7b19
Rolled back to previous version which is the right approach so far
Reidddddd Apr 7, 2020
1f2ade5
Use lambda expression and add more context in TestRSGroupsAdmin1 to e…
Reidddddd Apr 8, 2020
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9 changes: 9 additions & 0 deletions hbase-client/src/main/java/org/apache/hadoop/hbase/client/Admin.java
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Expand Up @@ -2396,4 +2396,13 @@ Pair<List<String>, List<TableName>> getConfiguredNamespacesAndTablesInRSGroup(St
* @throws IOException if a remote or network exception occurs
*/
boolean balanceRSGroup(String groupName) throws IOException;

/**
* Rename rsgroup
* @param oldName old rsgroup name
* @param newName new rsgroup name
* @throws IOException if a remote or network exception occurs
*/
void renameRSGroup(String oldName, String newName) throws IOException;

}
5 changes: 5 additions & 0 deletions hbase-client/src/main/java/org/apache/hadoop/hbase/client/AdminOverAsyncAdmin.java
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Expand Up @@ -1036,4 +1036,9 @@ public RSGroupInfo getRSGroup(TableName tableName) throws IOException {
public void setRSGroup(Set<TableName> tables, String groupName) throws IOException {
get(admin.setRSGroup(tables, groupName));
}

@Override
public void renameRSGroup(String oldName, String newName) throws IOException {
get(admin.renameRSGroup(oldName, newName));
}
}
8 changes: 8 additions & 0 deletions hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncAdmin.java
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Expand Up @@ -1631,4 +1631,12 @@ CompletableFuture<List<OnlineLogRecord>> getSlowLogResponses(final Set<ServerNam
* @throws IOException if a remote or network exception occurs
*/
CompletableFuture<Boolean> balanceRSGroup(String groupName);

/**
* Rename rsgroup
* @param oldName old rsgroup name
* @param newName new rsgroup name
* @throws IOException if a remote or network exception occurs
*/
CompletableFuture<Void> renameRSGroup(String oldName, String newName);
}
5 changes: 5 additions & 0 deletions hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncHBaseAdmin.java
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Expand Up @@ -913,4 +913,9 @@ public CompletableFuture<RSGroupInfo> getRSGroup(TableName tableName) {
public CompletableFuture<Void> setRSGroup(Set<TableName> tables, String groupName) {
return wrap(rawAdmin.setRSGroup(tables, groupName));
}

@Override
public CompletableFuture<Void> renameRSGroup(String oldName, String newName) {
return wrap(rawAdmin.renameRSGroup(oldName, newName));
}
}
19 changes: 19 additions & 0 deletions hbase-client/src/main/java/org/apache/hadoop/hbase/client/RawAsyncHBaseAdmin.java
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Expand Up @@ -309,6 +309,8 @@
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerRequest;
Expand Down Expand Up @@ -4146,4 +4148,21 @@ public CompletableFuture<RSGroupInfo> getRSGroup(String groupName) {
resp -> resp.hasRSGroupInfo() ? ProtobufUtil.toGroupInfo(resp.getRSGroupInfo()) : null)))
.call();
}

@Override
public CompletableFuture<Void> renameRSGroup(String oldName, String newName) {
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Would you like to provide any validation for both strings? e.g. non-empty

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I think it is ok to leave it as it is, server side will throw ConstraintException if both are empty. Other methods like addRSGroup neither checks non-empty.

return this.<Void> newMasterCaller()
.action(
(
(controller, stub) -> this.<RenameRSGroupRequest, RenameRSGroupResponse, Void> call(
controller,
stub,
RenameRSGroupRequest.newBuilder().setOldRsgroupName(oldName).setNewRsgroupName(newName)
.build(),
(s, c, req, done) -> s.renameRSGroup(c, req, done),
resp -> null
)
)
).call();
}
}
3 changes: 3 additions & 0 deletions hbase-common/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfo.java
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Expand Up @@ -38,6 +38,9 @@ public class RSGroupInfo {
// Keep servers in a sorted set so has an expected ordering when displayed.
private final SortedSet<Address> servers;
// Keep tables sorted too.

// TODO: Don't understand why all these should be deprecated. we have table -> rsgroup mapping.
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Because we do not store the table informations in RSGroupInfo anymore, if you use the new API to get RSGroupInfo, the tables will always be empty.

// Isn't it reasonable to have rsgroup -> tables mapping as well. Any contradictory?
/**
* @deprecated Since 3.0.0, will be removed in 4.0.0. The rsgroup information will be stored in
* the configuration of a table so this will be removed.
Expand Down
3 changes: 3 additions & 0 deletions hbase-protocol-shaded/src/main/protobuf/server/master/Master.proto
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Expand Up @@ -1119,6 +1119,9 @@ service MasterService {

rpc GetConfiguredNamespacesAndTablesInRSGroup(GetConfiguredNamespacesAndTablesInRSGroupRequest)
returns (GetConfiguredNamespacesAndTablesInRSGroupResponse);

rpc RenameRSGroup(RenameRSGroupRequest)
returns (RenameRSGroupResponse);
}

// HBCK Service definitions.
Expand Down
11 changes: 11 additions & 0 deletions hbase-protocol-shaded/src/main/protobuf/server/rsgroup/RSGroupAdmin.proto
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Expand Up @@ -139,6 +139,14 @@ message GetConfiguredNamespacesAndTablesInRSGroupResponse {
repeated TableName table_name = 2;
}

message RenameRSGroupRequest {
required string old_rsgroup_name = 1;
required string new_rsgroup_name = 2;
}

message RenameRSGroupResponse {
}

service RSGroupAdminService {
rpc GetRSGroupInfo(GetRSGroupInfoRequest)
returns (GetRSGroupInfoResponse);
Expand Down Expand Up @@ -172,4 +180,7 @@ service RSGroupAdminService {

rpc RemoveServers(RemoveServersRequest)
returns (RemoveServersResponse);

rpc RenameRSGroup(RenameRSGroupRequest)
returns (RenameRSGroupResponse);
}
18 changes: 18 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java
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Expand Up @@ -1340,6 +1340,24 @@ default void preListTablesInRSGroup(final ObserverContext<MasterCoprocessorEnvir
default void postListTablesInRSGroup(final ObserverContext<MasterCoprocessorEnvironment> ctx,
final String groupName) throws IOException {}

/**
* Called before rename rsgroup.
* @param ctx the environment to interact with the framework and master
* @param oldName old rsgroup name
* @param newName new rsgroup name
*/
default void preRenameRSGroup(final ObserverContext<MasterCoprocessorEnvironment> ctx,
final String oldName, final String newName) throws IOException {}

/**
* Called after rename rsgroup.
* @param ctx the environment to interact with the framework and master
* @param oldName old rsgroup name
* @param newName new rsgroup name
*/
default void postRenameRSGroup(final ObserverContext<MasterCoprocessorEnvironment> ctx,
final String oldName, final String newName) throws IOException {}

/**
* Called before getting the configured namespaces and tables in the region server group.
* @param ctx the environment to interact with the framework and master
Expand Down
20 changes: 20 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
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Expand Up @@ -1542,6 +1542,26 @@ protected void call(MasterObserver observer) throws IOException {
});
}

public void preRenameRSGroup(final String oldName, final String newName) throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {

@Override
protected void call(MasterObserver observer) throws IOException {
observer.preRenameRSGroup(this, oldName, newName);
}
});
}

public void postRenameRSGroup(final String oldName, final String newName) throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {

@Override
protected void call(MasterObserver observer) throws IOException {
observer.postRenameRSGroup(this, oldName, newName);
}
});
}

public void preGetConfiguredNamespacesAndTablesInRSGroup(final String groupName)
throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {
Expand Down
26 changes: 25 additions & 1 deletion hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
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Expand Up @@ -341,6 +341,8 @@
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdRequest;
Expand Down Expand Up @@ -2456,7 +2458,7 @@ public FileArchiveNotificationResponse reportFileArchival(RpcController controll
throw new ServiceException(e);
}
}

// HBCK Services

@Override
Expand Down Expand Up @@ -3218,4 +3220,26 @@ public ListTablesInRSGroupResponse listTablesInRSGroup(RpcController controller,
}
return builder.build();
}

@Override
public RenameRSGroupResponse renameRSGroup(RpcController controller,
RenameRSGroupRequest request) throws ServiceException {
RenameRSGroupResponse.Builder builder = RenameRSGroupResponse.newBuilder();
String oldRSGroup = request.getOldRsgroupName();
String newRSGroup = request.getNewRsgroupName();
LOG.info("{} rename rsgroup from {} to {} ",
master.getClientIdAuditPrefix(), oldRSGroup, newRSGroup);
try {
if (master.getMasterCoprocessorHost() != null) {
master.getMasterCoprocessorHost().preRenameRSGroup(oldRSGroup, newRSGroup);
}
master.getRSGroupInfoManager().renameRSGroup(oldRSGroup, newRSGroup);
if (master.getMasterCoprocessorHost() != null) {
master.getMasterCoprocessorHost().postRenameRSGroup(oldRSGroup, newRSGroup);
}
} catch (IOException e) {
throw new ServiceException(e);
}
return builder.build();
}
}
4 changes: 4 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/DisabledRSGroupInfoManager.java
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Expand Up @@ -121,4 +121,8 @@ public String determineRSGroupInfoForTable(TableName tableName) {
return RSGroupInfo.DEFAULT_GROUP;
}

@Override
public void renameRSGroup(String oldName, String newName) throws IOException {
}

}
27 changes: 26 additions & 1 deletion hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServiceImpl.java
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Expand Up @@ -67,6 +67,8 @@
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RemoveServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupAdminProtos.RenameRSGroupResponse;

/**
* Implementation of RSGroupAdminService defined in RSGroupAdmin.proto. This class calls
Expand Down Expand Up @@ -396,4 +398,27 @@ public void removeServers(RpcController controller, RemoveServersRequest request
done.run(builder.build());
}

}
@Override
public void renameRSGroup(RpcController controller, RenameRSGroupRequest request,
RpcCallback<RenameRSGroupResponse> done) {
String oldRSGroup = request.getOldRsgroupName();
String newRSGroup = request.getNewRsgroupName();
LOG.info("{} rename rsgroup from {} to {}",
master.getClientIdAuditPrefix(), oldRSGroup, newRSGroup);

RenameRSGroupResponse.Builder builder = RenameRSGroupResponse.newBuilder();
try {
if (master.getMasterCoprocessorHost() != null) {
master.getMasterCoprocessorHost().preRenameRSGroup(oldRSGroup, newRSGroup);
}
rsGroupInfoManager.renameRSGroup(oldRSGroup, newRSGroup);
if (master.getMasterCoprocessorHost() != null) {
master.getMasterCoprocessorHost().postRenameRSGroup(oldRSGroup, newRSGroup);
}
} catch (IOException e) {
CoprocessorRpcUtils.setControllerException(controller, e);
}
done.run(builder.build());
}

}
8 changes: 8 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.java
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Expand Up @@ -106,4 +106,12 @@ static RSGroupInfoManager create(MasterServices master) throws IOException {
*/
String determineRSGroupInfoForTable(TableName tableName);

/**
* Rename rsgroup
* @param oldName old rsgroup name
* @param newName new rsgroup name
* @throws IOException
*/
void renameRSGroup(String oldName, String newName) throws IOException;

}
29 changes: 29 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManagerImpl.java
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Expand Up @@ -1221,4 +1221,33 @@ public String determineRSGroupInfoForTable(TableName tableName) {
return script.getRSGroup(tableName.getNamespaceAsString(), tableName.getQualifierAsString());
}

@Override
public synchronized void renameRSGroup(String oldName, String newName) throws IOException {
if (oldName.equals(RSGroupInfo.DEFAULT_GROUP)) {
throw new ConstraintException(RSGroupInfo.DEFAULT_GROUP + " can't be rename");
}
checkGroupName(newName);

RSGroupInfo oldRSG = getRSGroupInfo(oldName);
Map<String, RSGroupInfo> rsGroupMap = holder.groupName2Group;
Map<String, RSGroupInfo> newGroupMap = Maps.newHashMap(rsGroupMap);
newGroupMap.remove(oldRSG.getName());
RSGroupInfo newRSG = new RSGroupInfo(newName, oldRSG.getServers());
newGroupMap.put(newName, newRSG);
flushConfig(newGroupMap);

TableDescriptors tableDescriptors = masterServices.getTableDescriptors();
Set<TableName> updateTables = new HashSet<>();
for (Map.Entry<String, TableDescriptor> table : tableDescriptors.getAll().entrySet()) {
Optional<String> rsgroup = table.getValue().getRegionServerGroup();
if (!rsgroup.isPresent()) {
continue;
}
if (rsgroup.get().equals(oldName)) {
updateTables.add(table.getValue().getTableName());
}
}
setRSGroup(updateTables, newName);
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}

}
29 changes: 29 additions & 0 deletions hbase-server/src/test/java/org/apache/hadoop/hbase/rsgroup/TestRSGroupsAdmin1.java
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Expand Up @@ -468,4 +468,33 @@ public boolean evaluate() throws Exception {
// Cleanup
TEST_UTIL.deleteTable(tn1);
}

@Test
public void testRenameRSGroup() throws Exception {
// Add rsgroup, and assign 2 servers and a table to it.
RSGroupInfo oldgroup = addGroup("oldgroup", 2);
TableName tb = TableName.valueOf("testRename");
TEST_UTIL.createTable(tb, "tr");
ADMIN.setRSGroup(Sets.newHashSet(tb), oldgroup.getName());
TEST_UTIL.waitFor(1000,
(Waiter.Predicate<Exception>) () ->
ADMIN.getRSGroup("oldgroup").getServers().size() == 2);
oldgroup = ADMIN.getRSGroup(oldgroup.getName());
assertEquals(2, oldgroup.getServers().size());
assertEquals(oldgroup.getName(), ADMIN.getRSGroup(tb).getName());

// Rename rsgroup
ADMIN.renameRSGroup(oldgroup.getName(), "newgroup");
Set<Address> servers = oldgroup.getServers();
RSGroupInfo newgroup = ADMIN.getRSGroup("newgroup");
assertEquals(servers.size(), newgroup.getServers().size());
int match = 0;
for (Address addr : newgroup.getServers()) {
if (servers.contains(addr)) {
match++;
}
}
assertEquals(servers.size(), match);
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Is this redundant assert? assertEquals(servers.size(), newgroup.getServers().size()); is already taking care of it?

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The for loop above is to check the servers are exactly the same before renaming. And the match is the number of 「exactly the same」. Not redundant regarding to its purpose.

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Yes I agree this is useful assertion.

Actually I was wondering if we can add more context to this test as well as assertions. For example, we create and assign another table to another rsgroup. So the "if" clause checking rsgroup name in RSGroupInfoManagerImpl.java will get tested. Otherwise this test may still pass even when we remove the "if". By the "if" I mean:

if (rsgroup.get().equals(oldName)) {
    updateTables.add(table.getValue().getTableName());
  }

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Get your idea. Fixed in new commit.

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Yes the test now is very comprehensive. Thanks,

assertEquals(newgroup.getName(), ADMIN.getRSGroup(tb).getName());
}
}
6 changes: 6 additions & 0 deletions hbase-server/src/test/java/org/apache/hadoop/hbase/rsgroup/VerifyingRSGroupAdmin.java
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Expand Up @@ -816,6 +816,12 @@ public boolean balanceRSGroup(String groupName) throws IOException {
return admin.balanceRSGroup(groupName);
}

@Override
public void renameRSGroup(String oldName, String newName) throws IOException {
admin.renameRSGroup(oldName, newName);
verify();
}

private void verify() throws IOException {
Map<String, RSGroupInfo> groupMap = Maps.newHashMap();
Set<RSGroupInfo> zList = Sets.newHashSet();
Expand Down
4 changes: 4 additions & 0 deletions hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/client/ThriftAdmin.java
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Expand Up @@ -1257,4 +1257,8 @@ public List<TableName> listTablesInRSGroup(String groupName) throws IOException
throw new NotImplementedException("setRSGroup not supported in ThriftAdmin");
}

@Override
public void renameRSGroup(String oldName, String newName) throws IOException {
throw new NotImplementedException("renameRSGroup not supported in ThriftAdmin");
}
}