com.netflix.edda.EddaCloudWatchClient.java Source code

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Here is the source code for com.netflix.edda.EddaCloudWatchClient.java

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/*
 * Copyright 2014-2017 Netflix, Inc.
 *
 * 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.netflix.edda;

import java.io.IOException;
import java.util.List;
import java.util.ArrayList;

import com.fasterxml.jackson.core.type.TypeReference;

import com.amazonaws.AmazonClientException;
import com.amazonaws.services.cloudwatch.AmazonCloudWatch;
import com.amazonaws.services.cloudwatch.model.*;

public class EddaCloudWatchClient extends EddaAwsClient {
    public EddaCloudWatchClient(AwsConfiguration config, String vip, String region) {
        super(config, vip, region);
    }

    public AmazonCloudWatch readOnly() {
        return readOnly(AmazonCloudWatch.class);
    }

    public AmazonCloudWatch wrapAwsClient(AmazonCloudWatch delegate) {
        return wrapAwsClient(AmazonCloudWatch.class, delegate);
    }

    public DescribeAlarmsResult describeAlarms() {
        return describeAlarms(new DescribeAlarmsRequest());
    }

    public DescribeAlarmsResult describeAlarms(DescribeAlarmsRequest request) {
        validateEmpty("ActionPrefix", request.getActionPrefix());
        validateEmpty("AlarmNamePrefix", request.getAlarmNamePrefix());

        TypeReference<List<MetricAlarm>> ref = new TypeReference<List<MetricAlarm>>() {
        };
        String url = config.url() + "/api/v2/aws/alarms;_expand";
        try {
            List<MetricAlarm> metricAlarms = parse(ref, doGet(url));

            List<String> names = request.getAlarmNames();
            String state = request.getStateValue();
            if (shouldFilter(names) || shouldFilter(state)) {
                List<MetricAlarm> mas = new ArrayList<MetricAlarm>();
                for (MetricAlarm ma : metricAlarms) {
                    if (matches(names, ma.getAlarmName()) && matches(state, ma.getStateValue()))
                        mas.add(ma);
                }
                metricAlarms = mas;
            }

            return new DescribeAlarmsResult().withMetricAlarms(metricAlarms);
        } catch (IOException e) {
            throw new AmazonClientException("Faled to parse " + url, e);
        }
    }
}