| /* |
| * 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.nifi.controller.status.history.storage.questdb; |
| |
| import io.questdb.cairo.sql.Record; |
| import io.questdb.cairo.sql.RecordCursor; |
| import org.apache.nifi.controller.status.NodeStatus; |
| import org.apache.nifi.controller.status.history.MetricDescriptor; |
| import org.apache.nifi.controller.status.history.StandardMetricDescriptor; |
| import org.apache.nifi.controller.status.history.questdb.QuestDbReadingTemplate; |
| import org.apache.nifi.controller.status.history.storage.StatusStorage; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| public class StorageStatusReadingTemplate extends QuestDbReadingTemplate<Map<Long, Map<StandardMetricDescriptor<NodeStatus>, Long>>> { |
| private static final String STORAGE_FREE_DESCRIPTION = "The usable space available for use by the underlying storage mechanism."; |
| private static final String STORAGE_USED_DESCRIPTION = "The space in use on the underlying storage mechanism"; |
| |
| private static final String STORAGE_READING_QUERY = |
| "SELECT * FROM storageStatus " + |
| "WHERE capturedAt > to_timestamp('%s', '" + StatusStorage.CAPTURE_DATE_FORMAT + "') " + |
| "AND capturedAt < to_timestamp('%s', '" + StatusStorage.CAPTURE_DATE_FORMAT + "') " + |
| "ORDER BY capturedAt ASC"; |
| |
| public StorageStatusReadingTemplate() { |
| super(STORAGE_READING_QUERY, e -> Collections.emptyMap()); |
| } |
| |
| @Override |
| protected Map<Long, Map<StandardMetricDescriptor<NodeStatus>, Long>> processResult(final RecordCursor cursor) { |
| final Map<Long, Map<StandardMetricDescriptor<NodeStatus>, Long>> result = new HashMap<>(); |
| |
| int storageNumber = 1; |
| |
| while (cursor.hasNext()) { |
| final Record record = cursor.getRecord(); |
| final long createdAt = TimeUnit.MICROSECONDS.toMillis(record.getTimestamp(0)); |
| final short type = record.getShort(2); |
| final CharSequence name = record.getSym(1); |
| |
| if (!result.containsKey(createdAt)) { |
| result.put(createdAt, new HashMap<>()); |
| } |
| |
| result.get(createdAt).put(getDescriptor( |
| QuestDbNodeStatusStorage.getMetrics().size() + result.get(createdAt).size(), |
| getField(type, storageNumber, StorageMetric.FREE), |
| getLabel(type, name, StorageMetric.FREE), |
| STORAGE_FREE_DESCRIPTION |
| ), record.getLong(3)); |
| result.get(createdAt).put(getDescriptor( |
| QuestDbNodeStatusStorage.getMetrics().size() + result.get(createdAt).size(), |
| getField(type, storageNumber, StorageMetric.USED), |
| getLabel(type, name, StorageMetric.USED), |
| STORAGE_USED_DESCRIPTION |
| ), record.getLong(4)); |
| storageNumber++; |
| } |
| |
| return result; |
| } |
| |
| private StandardMetricDescriptor<NodeStatus> getDescriptor(final int ordinal, final String field, final String label, final String description) { |
| return new StandardMetricDescriptor<>(() -> ordinal, field, label, STORAGE_FREE_DESCRIPTION, MetricDescriptor.Formatter.DATA_SIZE, v -> 0L); |
| } |
| |
| private String getField(final int type, final int storageNumber, final StorageMetric storageMetric) { |
| return new StringBuilder(StorageType.getById(type).getField()).append(storageNumber).append(storageMetric.getField()).toString(); |
| } |
| |
| private String getLabel(final int type, final CharSequence name, final StorageMetric storageMetric) { |
| return new StringBuilder(StorageType.getById(type).getLabel()).append(" (").append(name).append(") ").append(storageMetric.getLabel()).toString(); |
| } |
| |
| private enum StorageType { |
| CONTENT("contentStorage", "Content Repository"), // 0 |
| PROVENANCE("provenanceStorage", "Provenance Repository"); // 1 |
| |
| private final String field; |
| private final String label; |
| |
| StorageType(final String field, final String label) { |
| this.field = field; |
| this.label = label; |
| } |
| |
| public static StorageType getById(final int id) { |
| return StorageType.values()[id]; |
| } |
| |
| public String getField() { |
| return field; |
| } |
| |
| public String getLabel() { |
| return label; |
| } |
| } |
| |
| private enum StorageMetric { |
| FREE("Free", "Free Space"), USED("Used", "Used Space"); |
| |
| private final String field; |
| private final String label; |
| |
| StorageMetric(final String field, final String label) { |
| this.field = field; |
| this.label = label; |
| } |
| |
| public String getField() { |
| return field; |
| } |
| |
| public String getLabel() { |
| return label; |
| } |
| } |
| } |