| package org.onlab.onos.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.onos.cli.AbstractShellCommand; |
| import org.onlab.onos.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); |
| Gauge<Long> gauge; |
| Meter meter; |
| |
| if (outputJson()) { |
| ObjectMapper mapper = new ObjectMapper() |
| .registerModule(new MetricsModule(TimeUnit.SECONDS, |
| TimeUnit.MILLISECONDS, |
| false)); |
| ObjectNode result = mapper.createObjectNode(); |
| // |
| gauge = service.intentSubmittedTimestampEpochMsGauge(); |
| result.put("intentSubmittedTimestamp", json(mapper, gauge)); |
| gauge = service.intentInstalledTimestampEpochMsGauge(); |
| result.put("intentInstalledTimestamp", json(mapper, gauge)); |
| gauge = service.intentWithdrawRequestedTimestampEpochMsGauge(); |
| result.put("intentWithdrawRequestedTimestamp", |
| json(mapper, gauge)); |
| gauge = service.intentWithdrawnTimestampEpochMsGauge(); |
| result.put("intentWithdrawnTimestamp", json(mapper, gauge)); |
| // |
| meter = service.intentSubmittedRateMeter(); |
| result.put("intentSubmittedRate", json(mapper, meter)); |
| meter = service.intentInstalledRateMeter(); |
| result.put("intentInstalledRate", json(mapper, meter)); |
| meter = service.intentWithdrawRequestedRateMeter(); |
| result.put("intentWithdrawRequestedRate", json(mapper, meter)); |
| meter = service.intentWithdrawnRateMeter(); |
| result.put("intentWithdrawnRate", json(mapper, meter)); |
| // |
| print("%s", result); |
| } else { |
| gauge = service.intentSubmittedTimestampEpochMsGauge(); |
| printGauge("Submitted", gauge); |
| gauge = service.intentInstalledTimestampEpochMsGauge(); |
| printGauge("Installed", gauge); |
| gauge = service.intentWithdrawRequestedTimestampEpochMsGauge(); |
| printGauge("Withdraw Requested", gauge); |
| gauge = service.intentWithdrawnTimestampEpochMsGauge(); |
| printGauge("Withdrawn", gauge); |
| // |
| meter = service.intentSubmittedRateMeter(); |
| printMeter("Submitted", meter); |
| meter = service.intentInstalledRateMeter(); |
| printMeter("Installed", meter); |
| meter = service.intentWithdrawRequestedRateMeter(); |
| printMeter("Withdraw Requested", meter); |
| meter = service.intentWithdrawnRateMeter(); |
| printMeter("Withdrawn", meter); |
| } |
| } |
| |
| /** |
| * 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 objectNode = mapper.readTree(objectJson); |
| return objectNode; |
| } 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 a Gauge. |
| * |
| * @param operationStr the string with the intent operation to print |
| * @param gauge the Gauge to print |
| */ |
| private void printGauge(String operationStr, Gauge<Long> gauge) { |
| print(FORMAT_GAUGE, operationStr, gauge.getValue()); |
| } |
| |
| /** |
| * Prints a Meter. |
| * |
| * @param operationStr the string with the intent operation to print |
| * @param meter the Meter to print |
| */ |
| private void printMeter(String operationStr, Meter meter) { |
| TimeUnit rateUnit = TimeUnit.SECONDS; |
| double rateFactor = rateUnit.toSeconds(1); |
| print(FORMAT_METER, operationStr, meter.getCount(), |
| meter.getMeanRate() * rateFactor, |
| meter.getOneMinuteRate() * rateFactor, |
| meter.getFiveMinuteRate() * rateFactor, |
| meter.getFifteenMinuteRate() * rateFactor); |
| } |
| } |