| /* |
| * 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.flink.kubernetes.operator.service; |
| |
| import org.apache.flink.runtime.checkpoint.CheckpointStatsStatus; |
| import org.apache.flink.runtime.rest.messages.ResponseBody; |
| import org.apache.flink.runtime.rest.messages.checkpoints.CheckpointStatistics; |
| import org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics; |
| |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonIgnoreProperties; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ArrayNode; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import lombok.Data; |
| import lombok.NoArgsConstructor; |
| import lombok.Value; |
| |
| import java.util.Optional; |
| |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointStatistics.FIELD_NAME_TRIGGER_TIMESTAMP; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.FIELD_NAME_HISTORY; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.FIELD_NAME_LATEST_CHECKPOINTS; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.LatestCheckpoints.FIELD_NAME_COMPLETED; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.LatestCheckpoints.FIELD_NAME_RESTORED; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.LatestCheckpoints.FIELD_NAME_SAVEPOINT; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.RestoredCheckpointStatistics.FIELD_NAME_EXTERNAL_PATH; |
| import static org.apache.flink.runtime.rest.messages.checkpoints.CheckpointingStatistics.RestoredCheckpointStatistics.FIELD_NAME_ID; |
| |
| /** Custom Response for handling checkpoint history in a multi-version compatible way. */ |
| @JsonIgnoreProperties(ignoreUnknown = true) |
| @Data |
| @NoArgsConstructor |
| public class CheckpointHistoryWrapper implements ResponseBody { |
| |
| @JsonProperty(FIELD_NAME_LATEST_CHECKPOINTS) |
| private ObjectNode latestCheckpoints; |
| |
| @JsonProperty(FIELD_NAME_HISTORY) |
| private ArrayNode history; |
| |
| public Optional<PendingCheckpointInfo> getInProgressCheckpoint() { |
| if (history == null || history.isEmpty()) { |
| return Optional.empty(); |
| } |
| |
| var lastCp = history.get(0); |
| var status = |
| CheckpointStatsStatus.valueOf( |
| lastCp.get(CheckpointStatistics.FIELD_NAME_STATUS).asText()); |
| if (status.isInProgress()) { |
| return Optional.of( |
| new PendingCheckpointInfo( |
| lastCp.get(FIELD_NAME_ID).asLong(), |
| lastCp.get(FIELD_NAME_TRIGGER_TIMESTAMP).asLong())); |
| } |
| return Optional.empty(); |
| } |
| |
| public Optional<CompletedCheckpointInfo> getLatestCompletedCheckpoint() { |
| if (latestCheckpoints == null) { |
| return Optional.empty(); |
| } |
| |
| var latestCheckpoint = getCheckpointInfo(FIELD_NAME_RESTORED).orElse(null); |
| |
| var completed = getCheckpointInfo(FIELD_NAME_COMPLETED).orElse(null); |
| if (latestCheckpoint == null || (completed != null && completed.id > latestCheckpoint.id)) { |
| latestCheckpoint = completed; |
| } |
| var savepoint = getCheckpointInfo(FIELD_NAME_SAVEPOINT).orElse(null); |
| if (latestCheckpoint == null || (savepoint != null && savepoint.id > latestCheckpoint.id)) { |
| latestCheckpoint = savepoint; |
| } |
| |
| return Optional.ofNullable(latestCheckpoint); |
| } |
| |
| private Optional<CompletedCheckpointInfo> getCheckpointInfo(String field) { |
| return Optional.ofNullable(latestCheckpoints.get(field)) |
| .filter( |
| checkpoint -> |
| checkpoint.has(FIELD_NAME_ID) |
| && checkpoint.has(FIELD_NAME_EXTERNAL_PATH)) |
| .map( |
| checkpoint -> |
| new CompletedCheckpointInfo( |
| checkpoint.get(FIELD_NAME_ID).asLong(), |
| checkpoint.get(FIELD_NAME_EXTERNAL_PATH).asText(), |
| getCheckpointTimestamp(checkpoint))); |
| } |
| |
| private long getCheckpointTimestamp(JsonNode checkpoint) { |
| if (checkpoint.has(FIELD_NAME_TRIGGER_TIMESTAMP)) { |
| return checkpoint.get(FIELD_NAME_TRIGGER_TIMESTAMP).asLong(); |
| } else { |
| return checkpoint |
| .get( |
| CheckpointingStatistics.RestoredCheckpointStatistics |
| .FIELD_NAME_RESTORE_TIMESTAMP) |
| .asLong(); |
| } |
| } |
| |
| /** Information about the latest completed checkpoint/savepoint. */ |
| @Value |
| public static class CompletedCheckpointInfo { |
| long id; |
| String externalPointer; |
| long timestamp; |
| } |
| |
| /** Information about the currently pending checkpoint/savepoint. */ |
| @Value |
| public static class PendingCheckpointInfo { |
| long id; |
| long timestamp; |
| } |
| } |