Golang bosun-org-_third_party-github.com-awslabs-aws-sdk-go-service-cloudwatch.CloudWatch类(方法)实例源码

func awsGetDiskOps(cw cloudwatch.CloudWatch, md *opentsdb.MultiDataPoint, instance *ec2.Instance) error {
	search := cloudwatch.GetMetricStatisticsInput{
		StartTime:  aws.Time(time.Now().UTC().Add(time.Second * -600)),
		EndTime:    aws.Time(time.Now().UTC()),
		MetricName: aws.String("DiskReadOps"),
		Period:     aws.Long(60),
		Statistics: []*string{aws.String("Average")},
		Namespace:  aws.String("AWS/EC2"),
		Unit:       aws.String("Count"),
		Dimensions: []*cloudwatch.Dimension{{Name: aws.String("InstanceId"), Value: instance.InstanceID}},
	}
	resp, err := cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	for _, datapoint := range resp.Datapoints {
		AddTS(md, awsEC2DiskOps, datapoint.Timestamp.Unix(), *datapoint.Average, opentsdb.TagSet{"instance": *instance.InstanceID, "operation": "read"}, metadata.Gauge, metadata.Count, descAWSEC2DiskOps)
	}
	search.MetricName = aws.String("DiskWriteOps")
	resp, err = cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	for _, datapoint := range resp.Datapoints {
		AddTS(md, awsEC2DiskOps, datapoint.Timestamp.Unix(), *datapoint.Average, opentsdb.TagSet{"instance": *instance.InstanceID, "operation": "write"}, metadata.Gauge, metadata.Count, descAWSEC2DiskOps)
	}
	return nil
}

func awsGetELBHostCounts(cw cloudwatch.CloudWatch, md *opentsdb.MultiDataPoint, loadBalancer *elb.LoadBalancerDescription) error {
	search := cloudwatch.GetMetricStatisticsInput{
		StartTime:  aws.Time(time.Now().UTC().Add(time.Second * -60)),
		EndTime:    aws.Time(time.Now().UTC()),
		MetricName: aws.String("HealthyHostCount"),
		Period:     aws.Long(60),
		Statistics: []*string{aws.String("Average")},
		Namespace:  aws.String("AWS/ELB"),
		Unit:       aws.String("Count"),
		Dimensions: []*cloudwatch.Dimension{{Name: aws.String("LoadBalancerName"), Value: loadBalancer.LoadBalancerName}},
	}
	resp, err := cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	for _, datapoint := range resp.Datapoints {
		AddTS(md, awsELBHostsHealthy, datapoint.Timestamp.Unix(), *datapoint.Average, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Count, descAWSELBHostCount)
	}
	search.MetricName = aws.String("UnhealthyHostCount")
	resp, err = cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	if resp.Datapoints == nil {
		AddTS(md, awsELBHostsUnHealthy, time.Now().UTC().Unix(), 0, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Count, descAWSELBHostCount)
	} else {
		for _, datapoint := range resp.Datapoints {
			AddTS(md, awsELBHostsUnHealthy, datapoint.Timestamp.Unix(), *datapoint.Average, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Count, descAWSELBHostCount)
		}
	}
	return nil
}

func awsGetELBLatency(cw cloudwatch.CloudWatch, md *opentsdb.MultiDataPoint, loadBalancer *elb.LoadBalancerDescription) error {
	search := cloudwatch.GetMetricStatisticsInput{
		StartTime:  aws.Time(time.Now().UTC().Add(time.Second * -4000)),
		EndTime:    aws.Time(time.Now().UTC()),
		MetricName: aws.String("Latency"),
		Period:     aws.Long(60),
		Statistics: []*string{aws.String("Average"), aws.String("Minimum"), aws.String("Maximum")},
		Namespace:  aws.String("AWS/ELB"),
		Unit:       aws.String("Seconds"),
		Dimensions: []*cloudwatch.Dimension{{Name: aws.String("LoadBalancerName"), Value: loadBalancer.LoadBalancerName}},
	}
	resp, err := cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	for _, datapoint := range resp.Datapoints {
		AddTS(md, awsELBLatencyMin, datapoint.Timestamp.Unix(), *datapoint.Minimum, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Second, descAWSELBLatency)
		AddTS(md, awsELBLatencyMax, datapoint.Timestamp.Unix(), *datapoint.Maximum, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Second, descAWSELBLatency)
		AddTS(md, awsELBLatencyAvg, datapoint.Timestamp.Unix(), *datapoint.Average, opentsdb.TagSet{"loadbalancer": *loadBalancer.LoadBalancerName}, metadata.Gauge, metadata.Second, descAWSELBLatency)
	}
	return nil
}

func awsGetCPU(cw cloudwatch.CloudWatch, md *opentsdb.MultiDataPoint, instance *ec2.Instance) error {
	search := cloudwatch.GetMetricStatisticsInput{
		StartTime:  aws.Time(time.Now().UTC().Add(time.Second * -600)),
		EndTime:    aws.Time(time.Now().UTC()),
		MetricName: aws.String("CPUUtilization"),
		Period:     aws.Long(60),
		Statistics: []*string{aws.String("Average")},
		Namespace:  aws.String("AWS/EC2"),
		Unit:       aws.String("Percent"),
		Dimensions: []*cloudwatch.Dimension{{Name: aws.String("InstanceId"), Value: instance.InstanceID}},
	}
	resp, err := cw.GetMetricStatistics(&search)
	if err != nil {
		return err
	}
	tags := opentsdb.TagSet{
		"instance": *instance.InstanceID,
	}
	for _, datapoint := range resp.Datapoints {
		AddTS(md, awsCPU, datapoint.Timestamp.Unix(), *datapoint.Average, tags, metadata.Gauge, metadata.Pct, descAWSEC2CPU)
	}
	return nil
}