HDDS-14940. Create skeleton for ozone admin upgrade status command

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/scm/client/ScmClient.java

@@ -450,6 +450,8 @@ StatusAndMessages queryUpgradeFinalizationProgress(
       String upgradeClientID, boolean force, boolean readonly)
       throws IOException;
 
+  HddsProtos.UpgradeStatus queryUpgradeStatus() throws IOException;
+
   DecommissionScmResponseProto decommissionScm(
       String scmId) throws IOException;
 

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/scm/protocol/StorageContainerLocationProtocol.java

@@ -484,6 +484,8 @@ StatusAndMessages queryUpgradeFinalizationProgress(
       String upgradeClientID, boolean force, boolean readonly)
       throws IOException;
 
+  HddsProtos.UpgradeStatus queryUpgradeStatus() throws IOException;
+
   /**
    * Obtain a token which can be used to let datanodes verify authentication of
    * commands operating on {@code containerID}.

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/scm/protocolPB/StorageContainerLocationProtocolClientSideTranslatorPB.java

@@ -1151,6 +1151,19 @@ public StatusAndMessages queryUpgradeFinalizationProgress(
         status.getMessagesList());
   }
 
+  @Override
+  public HddsProtos.UpgradeStatus queryUpgradeStatus() throws IOException {
+    StorageContainerLocationProtocolProtos.QueryUpgradeStatusRequestProto req =
+        StorageContainerLocationProtocolProtos.QueryUpgradeStatusRequestProto
+            .newBuilder()
+            .build();
+
+    StorageContainerLocationProtocolProtos.QueryUpgradeStatusResponseProto response =
+        submitRequest(Type.QueryUpgradeStatus, builder -> builder.setQueryUpgradeStatusRequest(req))
+            .getQueryUpgradeStatusResponse();
+    return response.getStatus();
+  }
+
   @Override
   public Token<?> getContainerToken(
       ContainerID containerID) throws IOException {

hadoop-hdds/interface-admin/src/main/proto/ScmAdminProtocol.proto

@@ -87,6 +87,7 @@ message ScmContainerLocationRequest {
   optional ContainerBalancerStatusInfoRequestProto containerBalancerStatusInfoRequest = 48;
   optional ReconcileContainerRequestProto reconcileContainerRequest = 49;
   optional GetDeletedBlocksTxnSummaryRequestProto getDeletedBlocksTxnSummaryRequest = 50;
+  optional QueryUpgradeStatusRequestProto queryUpgradeStatusRequest = 51;
 }
 
 message ScmContainerLocationResponse {
@@ -145,6 +146,7 @@ message ScmContainerLocationResponse {
   optional ContainerBalancerStatusInfoResponseProto containerBalancerStatusInfoResponse = 48;
   optional ReconcileContainerResponseProto reconcileContainerResponse = 49;
   optional GetDeletedBlocksTxnSummaryResponseProto getDeletedBlocksTxnSummaryResponse = 50;
+  optional QueryUpgradeStatusResponseProto queryUpgradeStatusResponse = 51;
 
   enum Status {
     OK = 1;
@@ -202,6 +204,7 @@ enum Type {
   GetContainerBalancerStatusInfo = 44;
   ReconcileContainer = 45;
   GetDeletedBlocksTransactionSummary = 46;
+  QueryUpgradeStatus = 47;
 }
 
 /**
@@ -570,6 +573,13 @@ message QueryUpgradeFinalizationProgressResponseProto {
   required hadoop.hdds.UpgradeFinalizationStatus status = 1;
 }
 
+message QueryUpgradeStatusRequestProto {
+}
+
+message QueryUpgradeStatusResponseProto {
+  required hadoop.hdds.UpgradeStatus status = 1;
+}
+
 message ContainerTokenSecretProto {
     required string ownerId = 1;
     required ContainerID containerId = 2;

hadoop-hdds/interface-client/src/main/proto/hdds.proto

@@ -426,6 +426,13 @@ message UpgradeFinalizationStatus {
     repeated string messages = 2;
 }
 
+message UpgradeStatus {
+  optional bool scmFinalized = 1;
+  optional int32 numDatanodesFinalized = 2;
+  optional int32 numDatanodesTotal = 3;
+  optional bool shouldFinalize = 4;
+}
+
 /**
  * Information for Certificate Revocation List.
  */

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/protocol/StorageContainerLocationProtocolServerSideTranslatorPB.java

@@ -748,6 +748,12 @@ public ScmContainerLocationResponse processRequest(
             .setStatus(Status.OK)
             .setReconcileContainerResponse(reconcileContainer(request.getReconcileContainerRequest()))
             .build();
+      case QueryUpgradeStatus:
+        return ScmContainerLocationResponse.newBuilder()
+            .setCmdType(request.getCmdType())
+            .setStatus(Status.OK)
+            .setQueryUpgradeStatusResponse(getQueryUpgradeStatus(request.getQueryUpgradeStatusRequest()))
+            .build();
       default:
         throw new IllegalArgumentException(
             "Unknown command type: " + request.getCmdType());
@@ -1088,6 +1094,16 @@ public FinalizeScmUpgradeResponseProto getFinalizeScmUpgrade(
         .build();
   }
 
+  public StorageContainerLocationProtocolProtos.QueryUpgradeStatusResponseProto getQueryUpgradeStatus(
+      StorageContainerLocationProtocolProtos.QueryUpgradeStatusRequestProto request) throws IOException {
+
+    HddsProtos.UpgradeStatus response = impl.queryUpgradeStatus();
+    return StorageContainerLocationProtocolProtos.QueryUpgradeStatusResponseProto
+        .newBuilder()
+        .setStatus(response)
+        .build();
+  }
+
   public ForceExitSafeModeResponseProto forceExitSafeMode(
       ForceExitSafeModeRequestProto request)
       throws IOException {

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/SCMClientProtocolServer.java

@@ -1148,6 +1148,26 @@ public StatusAndMessages queryUpgradeFinalizationProgress(
     }
   }
 
+  @Override
+  public HddsProtos.UpgradeStatus queryUpgradeStatus() throws IOException {
+    try {
+      getScm().checkAdminAccess(getRemoteUser(), true);
+
+      // Returning a placeholder for now.
+      HddsProtos.UpgradeStatus result = HddsProtos.UpgradeStatus.newBuilder()
+          .setScmFinalized(true)
+          .setNumDatanodesFinalized(10)
+          .setNumDatanodesTotal(10)
+          .setShouldFinalize(true)
+          .build();
+      AUDIT.logReadSuccess(buildAuditMessageForSuccess(SCMAction.QUERY_UPGRADE_STATUS, null));
+      return result;
+    } catch (IOException ex) {
+      AUDIT.logReadFailure(buildAuditMessageForFailure(SCMAction.QUERY_UPGRADE_STATUS, null, ex));
+      throw ex;
+    }
+  }
+
   @Override
   public StartContainerBalancerResponseProto startContainerBalancer(
       Optional<Double> threshold, Optional<Integer> iterations,

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/ozone/audit/SCMAction.java

@@ -60,6 +60,7 @@ public enum SCMAction implements AuditAction {
   GET_SAFE_MODE_RULE_STATUSES,
   FINALIZE_SCM_UPGRADE,
   QUERY_UPGRADE_FINALIZATION_PROGRESS,
+  QUERY_UPGRADE_STATUS,
   GET_DATANODE_USAGE_INFO,
   GET_CONTAINER_TOKEN,
   GET_CONTAINER_COUNT,

hadoop-ozone/cli-admin/src/main/java/org/apache/hadoop/hdds/scm/cli/ContainerOperationClient.java

@@ -582,6 +582,11 @@ public StatusAndMessages queryUpgradeFinalizationProgress(
         upgradeClientID, force, readonly);
   }
 
+  @Override
+  public HddsProtos.UpgradeStatus queryUpgradeStatus() throws IOException {
+    return storageContainerLocationClient.queryUpgradeStatus();
+  }
+
   @Override
   public DecommissionScmResponseProto decommissionScm(
       String scmId)

hadoop-ozone/cli-admin/src/main/java/org/apache/hadoop/ozone/admin/upgrade/StatusSubCommand.java

@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.hadoop.ozone.admin.upgrade;
+
+import java.io.IOException;
+import org.apache.hadoop.hdds.cli.HddsVersionProvider;
+import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
+import org.apache.hadoop.hdds.scm.cli.ScmSubcommand;
+import org.apache.hadoop.hdds.scm.client.ScmClient;
+import picocli.CommandLine;
+
+/**
+ * Sub command to query the overall upgrade status of the cluster, returning information about the finalization
+ * status of SCM, the datanodes and OM.
+ */
+@CommandLine.Command(
+    name = "status",
+    description = "Show status of the cluster upgrade",
+    mixinStandardHelpOptions = true,
+    versionProvider = HddsVersionProvider.class)
+public class StatusSubCommand extends ScmSubcommand {
+
+  @Override
+  public void execute(ScmClient client) throws IOException {
+    HddsProtos.UpgradeStatus status = client.queryUpgradeStatus();
+
+    // Temporary output to validate the command is working.
+    out().println("Update status:");
+    out().println("    SCM Finalized: " + status.getScmFinalized());
+    out().println("    Datanodes finalized: " + status.getNumDatanodesFinalized());
+    out().println("    Total Datanodes: " + status.getNumDatanodesTotal());
+    out().println("    Should Finalize: " + status.getShouldFinalize());
+  }
+}

hadoop-ozone/cli-admin/src/main/java/org/apache/hadoop/ozone/admin/upgrade/UpgradeCommands.java

@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.hadoop.ozone.admin.upgrade;
+
+import org.apache.hadoop.hdds.cli.AdminSubcommand;
+import org.apache.hadoop.hdds.cli.HddsVersionProvider;
+import org.kohsuke.MetaInfServices;
+import picocli.CommandLine;
+
+/**
+ * Subcommand to group upgrade related operations.
+ */
+@CommandLine.Command(
+    name = "upgrade",
+    description = "Operations related to Ozone cluster upgrade",
+    mixinStandardHelpOptions = true,
+    versionProvider = HddsVersionProvider.class,
+    subcommands = {
+        StatusSubCommand.class
+    })
+@MetaInfServices(AdminSubcommand.class)
+public class UpgradeCommands implements AdminSubcommand {
+}

hadoop-ozone/cli-admin/src/main/java/org/apache/hadoop/ozone/admin/upgrade/package-info.java

@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+/**
+ * Ozone upgrade cli tools.
+ */
+package org.apache.hadoop.ozone.admin.upgrade;