| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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 org.onosproject.cpman.impl; |
| |
| import com.codahale.metrics.Meter; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| import org.onlab.metrics.MetricsComponent; |
| import org.onlab.metrics.MetricsFeature; |
| import org.onlab.metrics.MetricsService; |
| import org.onosproject.cpman.ControlMetricType; |
| import org.onosproject.cpman.ControlResource; |
| import org.slf4j.Logger; |
| |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Aggregate system metrics. |
| */ |
| public final class SystemMetricsAggregator { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String DEFAULT_RESOURCE_NAME = "system"; |
| private static final String DEFAULT_METER_SUFFIX = "rate"; |
| private static final String DISK_RESOURCE_TYPE = "disk"; |
| private static final String NETWORK_RESOURCE_TYPE = "network"; |
| private final Map<ControlMetricType, Meter> systemMap = Maps.newHashMap(); |
| private final Map<String, Map<ControlMetricType, Meter>> diskMap = Maps.newHashMap(); |
| private final Map<String, Map<ControlMetricType, Meter>> networkMap = Maps.newHashMap(); |
| |
| private MetricsService metricsService; |
| |
| public static SystemMetricsAggregator getInstance() { |
| return SingletonHelper.INSTANCE; |
| } |
| |
| /** |
| * Configures metric services. |
| * |
| * @param service metrics service |
| */ |
| public void setMetricsService(MetricsService service) { |
| |
| metricsService = service; |
| } |
| |
| /** |
| * Increments system metric value. |
| * |
| * @param type metric type |
| * @param value metric value |
| */ |
| public void increment(ControlMetricType type, long value) { |
| systemMap.get(type).mark(value); |
| } |
| |
| /** |
| * Increments disk or network metric value. |
| * |
| * @param resourceName resource name |
| * @param resourceType resource type |
| * @param type control metric type |
| * @param value metric value |
| */ |
| public void increment(String resourceName, String resourceType, ControlMetricType type, long value) { |
| if (DISK_RESOURCE_TYPE.equals(resourceType) && diskMap.containsKey(resourceName)) { |
| diskMap.get(resourceName).get(type).mark(value); |
| } |
| |
| if (NETWORK_RESOURCE_TYPE.equals(resourceType) && networkMap.containsKey(resourceName)) { |
| networkMap.get(resourceName).get(type).mark(value); |
| } |
| } |
| |
| /** |
| * Adds a set of new monitoring metric types. |
| * |
| * @param optResourceName optional resource name, null denotes system metric |
| * @param resType resource type |
| */ |
| public void addMetrics(Optional<String> optResourceName, String resType) { |
| Set<ControlMetricType> metricTypeSet = Sets.newHashSet(); |
| String resourceName = optResourceName.isPresent() ? |
| optResourceName.get() : DEFAULT_RESOURCE_NAME; |
| |
| MetricsComponent metricsComponent = metricsService.registerComponent(resourceName); |
| |
| if (optResourceName.isPresent()) { |
| if (!diskMap.containsKey(resourceName) && DISK_RESOURCE_TYPE.equals(resType)) { |
| metricTypeSet.addAll(ControlResource.DISK_METRICS); |
| diskMap.putIfAbsent(resourceName, |
| getMeterMap(metricTypeSet, metricsComponent, metricsService)); |
| metricsService.notifyReporters(); |
| } else if (!networkMap.containsKey(resourceName) && NETWORK_RESOURCE_TYPE.equals(resType)) { |
| metricTypeSet.addAll(ControlResource.NETWORK_METRICS); |
| networkMap.putIfAbsent(resourceName, |
| getMeterMap(metricTypeSet, metricsComponent, metricsService)); |
| metricsService.notifyReporters(); |
| } else { |
| return; |
| } |
| } else { |
| if (systemMap.isEmpty()) { |
| metricTypeSet.addAll(ControlResource.MEMORY_METRICS); |
| metricTypeSet.addAll(ControlResource.CPU_METRICS); |
| |
| systemMap.putAll(getMeterMap(metricTypeSet, metricsComponent, metricsService)); |
| metricsService.notifyReporters(); |
| } |
| } |
| } |
| |
| private Map<ControlMetricType, Meter> getMeterMap(Set<ControlMetricType> types, |
| MetricsComponent component, |
| MetricsService service) { |
| Map<ControlMetricType, Meter> meterMap = Maps.newHashMap(); |
| types.forEach(type -> { |
| MetricsFeature metricsFeature = component.registerFeature(type.toString()); |
| Meter meter = service.createMeter(component, metricsFeature, DEFAULT_METER_SUFFIX); |
| meterMap.putIfAbsent(type, meter); |
| }); |
| return meterMap; |
| } |
| |
| private SystemMetricsAggregator() { |
| } |
| |
| private static class SingletonHelper { |
| private static final SystemMetricsAggregator INSTANCE = new SystemMetricsAggregator(); |
| } |
| } |