| // Copyright (C) 2022 The Android Open Source Project |
| // |
| // 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 com.googlesource.gerrit.modules.cache.chroniclemap; |
| |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.metrics.Counter0; |
| import com.google.gerrit.metrics.Description; |
| import com.google.gerrit.metrics.MetricMaker; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| @Singleton |
| class CachesWithoutChronicleMapConfigMetric { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private final Set<String> uniqueCacheNames; |
| private final Counter0 numberOfCachesWithoutConfig; |
| |
| @Inject |
| CachesWithoutChronicleMapConfigMetric(MetricMaker metricMaker) { |
| this.uniqueCacheNames = Collections.synchronizedSet(new HashSet<>()); |
| |
| String metricName = "cache/chroniclemap/caches_without_configuration"; |
| this.numberOfCachesWithoutConfig = |
| metricMaker.newCounter( |
| metricName, |
| new Description( |
| "The number of caches that have no chronicle map configuration provided in 'gerrit.config' and use defaults.") |
| .setUnit("caches")); |
| } |
| |
| void incrementForCache(String name) { |
| if (uniqueCacheNames.add(name)) { |
| numberOfCachesWithoutConfig.increment(); |
| logger.atWarning().log("Fall back to default configuration for '%s' cache", name); |
| } |
| } |
| |
| Set<String> cachesOnDefaults() { |
| return uniqueCacheNames; |
| } |
| } |