Fix human readable xcontent for snapshots in progress and deletion (#70256)

Previously this returned start_time as a TimeValue, but start_time is a timestamp.

This switches from humanReadableField to timeField during the XContent building.

server/src/main/java/org/elasticsearch/cluster/SnapshotDeletionsInProgress.java

@@ -14,7 +14,6 @@ import org.elasticsearch.common.UUIDs;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.io.stream.Writeable;
-import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.util.CollectionUtils;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.repositories.RepositoryOperation;
@@ -166,7 +165,7 @@ public class SnapshotDeletionsInProgress extends AbstractNamedDiffable<Custom> i
                     builder.value(snapshot.getName());
                 }
                 builder.endArray();
-                builder.humanReadableField("start_time_millis", "start_time", new TimeValue(entry.startTime));
+                builder.timeField("start_time_millis", "start_time", entry.startTime);
                 builder.field("repository_state_id", entry.repositoryStateId);
             }
             builder.endObject();

server/src/main/java/org/elasticsearch/cluster/SnapshotsInProgress.java

@@ -20,7 +20,6 @@ import org.elasticsearch.common.collect.Tuple;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.io.stream.Writeable;
-import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.shard.ShardId;
@@ -458,7 +457,7 @@ public class SnapshotsInProgress extends AbstractNamedDiffable<Custom> implement
                 }
             }
             builder.endArray();
-            builder.humanReadableField(START_TIME_MILLIS, START_TIME, new TimeValue(startTime));
+            builder.timeField(START_TIME_MILLIS, START_TIME, startTime);
             builder.field(REPOSITORY_STATE_ID, repositoryStateId);
             builder.startArray(SHARDS);
             {

server/src/test/java/org/elasticsearch/cluster/SnapshotDeletionsInProgressTests.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+package org.elasticsearch.cluster;
+
+import org.elasticsearch.common.Strings;
+import org.elasticsearch.common.xcontent.ToXContent;
+import org.elasticsearch.common.xcontent.XContentBuilder;
+import org.elasticsearch.test.ESTestCase;
+
+import java.io.IOException;
+import java.util.Collections;
+
+import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
+import static org.hamcrest.Matchers.equalTo;
+
+public class SnapshotDeletionsInProgressTests extends ESTestCase {
+    public void testXContent() throws IOException {
+        SnapshotDeletionsInProgress sdip =
+            SnapshotDeletionsInProgress.newInstance(new SnapshotDeletionsInProgress.Entry(Collections.emptyList(),
+                "repo", 736694267638L, 0, SnapshotDeletionsInProgress.State.STARTED));
+
+        try (XContentBuilder builder = jsonBuilder()) {
+            builder.humanReadable(true);
+            builder.startObject();
+            sdip.toXContent(builder, ToXContent.EMPTY_PARAMS);
+            builder.endObject();
+            String json = Strings.toString(builder);
+            assertThat(json,
+                equalTo("{\"snapshot_deletions\":[{\"repository\":\"repo\",\"snapshots\":[]," +
+                    "\"start_time\":\"1993-05-06T13:17:47.638Z\",\"start_time_millis\":736694267638,\"repository_state_id\":0}]}"));
+        }
+    }
+}

server/src/test/java/org/elasticsearch/snapshots/SnapshotsInProgressSerializationTests.java

@@ -8,6 +8,7 @@
 
 package org.elasticsearch.snapshots;
 
+import org.elasticsearch.Version;
 import org.elasticsearch.cluster.ClusterModule;
 import org.elasticsearch.cluster.ClusterState.Custom;
 import org.elasticsearch.cluster.Diff;
@@ -15,9 +16,12 @@ import org.elasticsearch.cluster.SnapshotsInProgress;
 import org.elasticsearch.cluster.SnapshotsInProgress.Entry;
 import org.elasticsearch.cluster.SnapshotsInProgress.ShardState;
 import org.elasticsearch.cluster.SnapshotsInProgress.State;
+import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
 import org.elasticsearch.common.io.stream.Writeable;
+import org.elasticsearch.common.xcontent.ToXContent;
+import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.Index;
 import org.elasticsearch.index.shard.ShardId;
 import org.elasticsearch.repositories.IndexId;
@@ -25,14 +29,19 @@ import org.elasticsearch.test.AbstractDiffableWireSerializationTestCase;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.test.VersionUtils;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
+import static org.hamcrest.Matchers.equalTo;
+
 public class SnapshotsInProgressSerializationTests extends AbstractDiffableWireSerializationTestCase<Custom> {
 
     @Override
@@ -222,6 +231,32 @@ public class SnapshotsInProgressSerializationTests extends AbstractDiffableWireS
         }
     }
 
+    public void testXContent() throws IOException {
+        SnapshotsInProgress sip =
+            SnapshotsInProgress.of(Collections.singletonList(new Entry(
+                new Snapshot("repo", new SnapshotId("name", "uuid")), true, true, State.SUCCESS,
+                Collections.singletonList(new IndexId("index", "uuid")), Collections.emptyList(), Collections.emptyList(), 1234567, 0,
+                ImmutableOpenMap.<ShardId, SnapshotsInProgress.ShardSnapshotStatus>builder()
+                    .fPut(new ShardId("index", "uuid", 0),
+                        new SnapshotsInProgress.ShardSnapshotStatus("nodeId", ShardState.SUCCESS, "reason", "generation"))
+                    .build(), null, null, Version.CURRENT)));
+
+        try (XContentBuilder builder = jsonBuilder()) {
+            builder.humanReadable(true);
+            builder.startObject();
+            sip.toXContent(builder, ToXContent.EMPTY_PARAMS);
+            builder.endObject();
+            String json = Strings.toString(builder);
+            assertThat(json,
+                equalTo("{\"snapshots\":[{\"repository\":\"repo\",\"snapshot\":\"name\",\"uuid\":\"uuid\"," +
+                    "\"include_global_state\":true,\"partial\":true,\"state\":\"SUCCESS\"," +
+                    "\"indices\":[{\"name\":\"index\",\"id\":\"uuid\"}],\"start_time\":\"1970-01-01T00:20:34.567Z\"," +
+                    "\"start_time_millis\":1234567,\"repository_state_id\":0," +
+                    "\"shards\":[{\"index\":{\"index_name\":\"index\",\"index_uuid\":\"uuid\"}," +
+                    "\"shard\":0,\"state\":\"SUCCESS\",\"node\":\"nodeId\"}],\"feature_states\":[],\"data_streams\":[]}]}"));
+        }
+    }
+
     public static State randomState(ImmutableOpenMap<ShardId, SnapshotsInProgress.ShardSnapshotStatus> shards) {
         return SnapshotsInProgress.completed(shards.values())
                 ? randomFrom(State.SUCCESS, State.FAILED) : randomFrom(State.STARTED, State.INIT, State.ABORTED);