| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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.metrics.intent.cli; |
| |
| import java.io.IOException; |
| import java.util.concurrent.TimeUnit; |
| |
| import com.codahale.metrics.Gauge; |
| import com.codahale.metrics.Meter; |
| import com.codahale.metrics.json.MetricsModule; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onlab.metrics.EventMetric; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.metrics.intent.IntentMetricsService; |
| |
| /** |
| * Command to show the intent events metrics. |
| */ |
| @Command(scope = "onos", name = "intents-events-metrics", |
| description = "Lists intent events metrics") |
| public class IntentEventsMetricsCommand extends AbstractShellCommand { |
| |
| private static final String FORMAT_GAUGE = |
| "Intent %s Event Timestamp (ms from epoch)=%d"; |
| private static final String FORMAT_METER = |
| "Intent %s Events count=%d rate(events/sec) mean=%f m1=%f m5=%f m15=%f"; |
| |
| @Override |
| protected void execute() { |
| IntentMetricsService service = get(IntentMetricsService.class); |
| |
| if (outputJson()) { |
| ObjectMapper mapper = new ObjectMapper() |
| .registerModule(new MetricsModule(TimeUnit.SECONDS, |
| TimeUnit.MILLISECONDS, |
| false)); |
| ObjectNode result = mapper.createObjectNode(); |
| result = json(mapper, result, "intentSubmitted", |
| service.intentSubmittedEventMetric()); |
| result = json(mapper, result, "intentInstalled", |
| service.intentInstalledEventMetric()); |
| result = json(mapper, result, "intentFailed", |
| service.intentFailedEventMetric()); |
| result = json(mapper, result, "intentWithdrawRequested", |
| service.intentWithdrawRequestedEventMetric()); |
| result = json(mapper, result, "intentWithdrawn", |
| service.intentWithdrawnEventMetric()); |
| result = json(mapper, result, "intentPurged", |
| service.intentPurgedEventMetric()); |
| print("%s", result); |
| } else { |
| printEventMetric("Submitted", |
| service.intentSubmittedEventMetric()); |
| printEventMetric("Installed", |
| service.intentInstalledEventMetric()); |
| printEventMetric("Failed", |
| service.intentFailedEventMetric()); |
| printEventMetric("Withdraw Requested", |
| service.intentWithdrawRequestedEventMetric()); |
| printEventMetric("Withdrawn", |
| service.intentWithdrawnEventMetric()); |
| printEventMetric("Purged", |
| service.intentPurgedEventMetric()); |
| } |
| } |
| |
| /** |
| * Produces JSON node for an Event Metric. |
| * |
| * @param mapper the JSON object mapper to use |
| * @param objectNode the JSON object node to use |
| * @param propertyPrefix the property prefix to use |
| * @param eventMetric the Event Metric with the data |
| * @return JSON object node for the Event Metric |
| */ |
| private ObjectNode json(ObjectMapper mapper, ObjectNode objectNode, |
| String propertyPrefix, EventMetric eventMetric) { |
| String gaugeName = propertyPrefix + "Timestamp"; |
| String meterName = propertyPrefix + "Rate"; |
| Gauge<Long> gauge = eventMetric.lastEventTimestampGauge(); |
| Meter meter = eventMetric.eventRateMeter(); |
| |
| objectNode.set(gaugeName, json(mapper, gauge)); |
| objectNode.set(meterName, json(mapper, meter)); |
| return objectNode; |
| } |
| |
| /** |
| * Produces JSON node for an Object. |
| * |
| * @param mapper the JSON object mapper to use |
| * @param object the Object with the data |
| * @return JSON node for the Object |
| */ |
| private JsonNode json(ObjectMapper mapper, Object object) { |
| // |
| // NOTE: The API for custom serializers is incomplete, |
| // hence we have to parse the JSON string to create JsonNode. |
| // |
| try { |
| final String objectJson = mapper.writeValueAsString(object); |
| JsonNode jsonNode = mapper.readTree(objectJson); |
| return jsonNode; |
| } catch (JsonProcessingException e) { |
| log.error("Error writing value as JSON string", e); |
| } catch (IOException e) { |
| log.error("Error writing value as JSON string", e); |
| } |
| return null; |
| } |
| |
| /** |
| * Prints an Event Metric. |
| * |
| * @param operationStr the string with the intent operation to print |
| * @param eventMetric the Event Metric to print |
| */ |
| private void printEventMetric(String operationStr, |
| EventMetric eventMetric) { |
| Gauge<Long> gauge = eventMetric.lastEventTimestampGauge(); |
| Meter meter = eventMetric.eventRateMeter(); |
| TimeUnit rateUnit = TimeUnit.SECONDS; |
| double rateFactor = rateUnit.toSeconds(1); |
| |
| // Print the Gauge |
| print(FORMAT_GAUGE, operationStr, gauge.getValue()); |
| |
| // Print the Meter |
| print(FORMAT_METER, operationStr, meter.getCount(), |
| meter.getMeanRate() * rateFactor, |
| meter.getOneMinuteRate() * rateFactor, |
| meter.getFiveMinuteRate() * rateFactor, |
| meter.getFifteenMinuteRate() * rateFactor); |
| } |
| } |