Synaps SDK User Guide

Java Example

Put your credentials on SpcsCredentials.properties file. Compile and run the code.

accessKey = your-access-key
secretKey = your-secret-key

import java.io.IOException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;

import com.amazonaws.auth.PropertiesCredentials;
import com.amazonaws.services.cloudwatch.AmazonCloudWatch;
import com.amazonaws.services.cloudwatch.AmazonCloudWatchClient;
import com.amazonaws.services.cloudwatch.model.AlarmHistoryItem;
import com.amazonaws.services.cloudwatch.model.DescribeAlarmHistoryRequest;
import com.amazonaws.services.cloudwatch.model.DescribeAlarmHistoryResult;
import com.amazonaws.services.cloudwatch.model.DescribeAlarmsRequest;
import com.amazonaws.services.cloudwatch.model.DescribeAlarmsResult;
import com.amazonaws.services.cloudwatch.model.Dimension;
import com.amazonaws.services.cloudwatch.model.DimensionFilter;
import com.amazonaws.services.cloudwatch.model.GetMetricStatisticsRequest;
import com.amazonaws.services.cloudwatch.model.GetMetricStatisticsResult;
import com.amazonaws.services.cloudwatch.model.ListMetricsRequest;
import com.amazonaws.services.cloudwatch.model.ListMetricsResult;
import com.amazonaws.services.cloudwatch.model.Metric;
import com.amazonaws.services.cloudwatch.model.MetricAlarm;
import com.amazonaws.services.cloudwatch.model.MetricDatum;
import com.amazonaws.services.cloudwatch.model.PutMetricDataRequest;

public class CWSample {
        private AmazonCloudWatch cw;

        CWSample() throws IOException {
                cw = new AmazonCloudWatchClient(new PropertiesCredentials(
                                CWSample.class.getResourceAsStream("CWSample.properties")));
                cw.setEndpoint("http://synaps.endpoint:3776/monitor/");
        }

        void examListMetrics() {
                ListMetricsRequest req = new ListMetricsRequest();
                String nexttoken = null;
                req.setNextToken(nexttoken);
                // req.setMetricName("CPUUtilization");

                do {
                        req.setNextToken(nexttoken);
                        ListMetricsResult ret = cw.listMetrics(req);
                        nexttoken = ret.getNextToken();

                        for (Metric m : ret.getMetrics()) {
                                System.out.println("  Metric: " + m);
                        }
                } while (nexttoken != null);
        }

        void examDescribeAlarms() {
                DescribeAlarmsRequest req = new DescribeAlarmsRequest();
                String nexttoken = null;
                int items_per_page = 100;

                req.setMaxRecords(items_per_page);

                do {
                        req.setNextToken(nexttoken);
                        DescribeAlarmsResult ret = cw.describeAlarms(req);
                        nexttoken = ret.getNextToken();
                        for (MetricAlarm a : ret.getMetricAlarms()) {
                                System.out.println("  Alarm: " + a);
                        }
                } while (nexttoken != null);
        }

        void examPutMetricData() {
                PutMetricDataRequest req = new PutMetricDataRequest();
                ArrayList<Dimension> dimensions1 = new ArrayList<Dimension>();
                ArrayList<Dimension> dimensions2 = new ArrayList<Dimension>();
                Dimension dim1 = new Dimension();
                Dimension dim2 = new Dimension();
                MetricDatum datum1 = new MetricDatum();
                MetricDatum datum2 = new MetricDatum();
                ArrayList<MetricDatum> data = new ArrayList<MetricDatum>();

                dim1.setName("instanceId");
                dim1.setValue("instance-00000112");
                dim2.setName("swlbId");
                dim2.setValue("swlb-12345");

                dimensions1.add(dim1);
                dimensions2.add(dim2);

                datum1.setMetricName("DiskUsage");
                datum1.setValue(10.2);
                datum1.setDimensions(dimensions1);

                datum2.setMetricName("RequestsPerSecond");
                datum2.setValue(1000.0);
                datum2.setDimensions(dimensions2);

                data.add(datum1);
                data.add(datum2);

                req.setMetricData(data);
                req.setNamespace("SYNAPSDEMO/2013");

                System.out.println(" PutMetricData Req: " + req);
                cw.putMetricData(req);
        }

        void examGetMetricStatistics() {
                GetMetricStatisticsRequest req = new GetMetricStatisticsRequest();
                ArrayList<Dimension> dimensions = new ArrayList<Dimension>();
                Dimension dim = new Dimension();
                ArrayList<String> statistics = new ArrayList<String>();

                Calendar startCal = Calendar.getInstance();
                startCal.add(Calendar.DATE, -1);
                Date startTime = startCal.getTime();

                Calendar endCal = Calendar.getInstance();
                Date endTime = endCal.getTime();

                dim.setName("instanceId");
                dim.setValue("instance-000059b3");
                dimensions.add(dim);

                statistics.add("Average");
                statistics.add("Minimum");
                statistics.add("Maximum");

                req.setNamespace("SPCS/NOVA");
                req.setMetricName("CPUUtilization");
                req.setDimensions(dimensions);
                req.setStartTime(startTime);
                req.setEndTime(endTime);
                req.setStatistics(statistics);
                req.setPeriod(60);

                GetMetricStatisticsResult ret = cw.getMetricStatistics(req);
                System.out.println(ret);
        }

        void examPutMetricAlarm() {
        }

        void examDescribeAlarmsForMetric() {

        }

        void examSetAlarmState() {

        }

        void examDisableAlarmActions() {

        }

        void examEnableAlarmActions() {

        }

        void examDescribeAlarmHistory() {
                DescribeAlarmHistoryRequest req = new DescribeAlarmHistoryRequest();
                String nexttoken = null;

                req.setMaxRecords(3);

                do {
                        req.setNextToken(nexttoken);
                        DescribeAlarmHistoryResult ret = cw.describeAlarmHistory(req);
                        nexttoken = ret.getNextToken();
                        for (AlarmHistoryItem h : ret.getAlarmHistoryItems()) {
                                System.out.println("  History: " + h);
                        }

                } while (nexttoken != null);
        }

        public static void main(String[] args) throws IOException {
                CWSample cwsample = new CWSample();

                cwsample.examListMetrics();
                cwsample.examDescribeAlarms();
                cwsample.examPutMetricData();
                cwsample.examGetMetricStatistics();
                cwsample.examPutMetricAlarm();
                cwsample.examDescribeAlarmsForMetric();
                cwsample.examSetAlarmState();
                cwsample.examDisableAlarmActions();
                cwsample.examEnableAlarmActions();
                cwsample.examDescribeAlarmHistory();
        }
}