Add SetSqlReplayCheckpoint command for SQL replay (#895)

* Add SetSqlReplayCheckpoint command for SQL replay

We should set this to the same time that we initially populate the SQL
database from Datastore.

core/src/main/java/google/registry/tools/RegistryTool.java

@@ -108,6 +108,7 @@ public final class RegistryTool {
           .put("save_sql_credential", SaveSqlCredentialCommand.class)
           .put("send_escrow_report_to_icann", SendEscrowReportToIcannCommand.class)
           .put("set_num_instances", SetNumInstancesCommand.class)
+          .put("set_sql_replay_checkpoint", SetSqlReplayCheckpointCommand.class)
           .put("setup_ote", SetupOteCommand.class)
           .put("uniform_rapid_suspension", UniformRapidSuspensionCommand.class)
           .put("unlock_domain", UnlockDomainCommand.class)

core/src/main/java/google/registry/tools/RegistryToolComponent.java

@@ -148,6 +148,8 @@ interface RegistryToolComponent {
 
   void inject(SetNumInstancesCommand command);
 
+  void inject(SetSqlReplayCheckpointCommand command);
+
   void inject(SetupOteCommand command);
 
   void inject(UnlockDomainCommand command);

core/src/main/java/google/registry/tools/SetSqlReplayCheckpointCommand.java

@@ -0,0 +1,48 @@
+// Copyright 2020 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed 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 google.registry.tools;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static google.registry.persistence.transaction.TransactionManagerFactory.jpaTm;
+
+import com.beust.jcommander.Parameter;
+import com.beust.jcommander.Parameters;
+import com.google.common.collect.Iterables;
+import google.registry.schema.replay.SqlReplayCheckpoint;
+import java.util.List;
+import org.joda.time.DateTime;
+
+/** Command to set {@link SqlReplayCheckpoint} to a particular, post-initial-population time. */
+@Parameters(separators = " =", commandDescription = "Set SqlReplayCheckpoint to a particular time")
+public class SetSqlReplayCheckpointCommand extends ConfirmingCommand
+    implements CommandWithRemoteApi {
+
+  @Parameter(description = "Time to which SqlReplayCheckpoint will be set", required = true)
+  List<DateTime> mainParameters;
+
+  @Override
+  protected String prompt() {
+    checkArgument(mainParameters.size() == 1, "Must provide exactly one DateTime to set");
+    return String.format(
+        "Set SqlReplayCheckpoint to %s?", Iterables.getOnlyElement(mainParameters));
+  }
+
+  @Override
+  protected String execute() {
+    DateTime dateTime = Iterables.getOnlyElement(mainParameters);
+    jpaTm().transact(() -> SqlReplayCheckpoint.set(dateTime));
+    return String.format("Set SqlReplayCheckpoint time to %s", dateTime);
+  }
+}

core/src/test/java/google/registry/tools/SetSqlReplayCheckpointCommandTest.java

@@ -0,0 +1,42 @@
+// Copyright 2020 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed 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 google.registry.tools;
+
+import static com.google.common.truth.Truth.assertThat;
+import static google.registry.persistence.transaction.TransactionManagerFactory.jpaTm;
+import static google.registry.util.DateTimeUtils.START_OF_TIME;
+import static org.junit.Assert.assertThrows;
+
+import google.registry.schema.replay.SqlReplayCheckpoint;
+import org.joda.time.DateTime;
+import org.junit.jupiter.api.Test;
+
+class SetSqlReplayCheckpointCommandTest extends CommandTestCase<SetSqlReplayCheckpointCommand> {
+
+  @Test
+  void testSuccess() throws Exception {
+    assertThat(jpaTm().transact(SqlReplayCheckpoint::get)).isEqualTo(START_OF_TIME);
+    DateTime timeToSet = DateTime.parse("2000-06-06T22:00:00.0Z");
+    runCommandForced(timeToSet.toString());
+    assertThat(jpaTm().transact(SqlReplayCheckpoint::get)).isEqualTo(timeToSet);
+  }
+
+  @Test
+  void testFailure_multipleParams() throws Exception {
+    DateTime one = DateTime.parse("2000-06-06T22:00:00.0Z");
+    DateTime two = DateTime.parse("2001-06-06T22:00:00.0Z");
+    assertThrows(IllegalArgumentException.class, () -> runCommand(one.toString(), two.toString()));
+  }
+}