ekristen/aws-nuke

package resources

import (
    "context"

    "github.com/aws/aws-sdk-go/aws"

    "github.com/aws/aws-sdk-go/service/cloudwatch"

    "github.com/ekristen/libnuke/pkg/registry"
    "github.com/ekristen/libnuke/pkg/resource"
    "github.com/ekristen/libnuke/pkg/types"

    "github.com/ekristen/aws-nuke/v3/pkg/nuke"
)

const CloudWatchAnomalyDetectorResource = "CloudWatchAnomalyDetector"

func init() {
    registry.Register(&registry.Registration{
        Name:     CloudWatchAnomalyDetectorResource,
        Scope:    nuke.Account,
        Resource: &CloudWatchAnomalyDetector{},
        Lister:   &CloudWatchAnomalyDetectorLister{},
    })
}

type CloudWatchAnomalyDetectorLister struct{}

func (l *CloudWatchAnomalyDetectorLister) List(_ context.Context, o interface{}) ([]resource.Resource, error) {
    opts := o.(*nuke.ListerOpts)

    svc := cloudwatch.New(opts.Session)
    resources := make([]resource.Resource, 0)

    params := &cloudwatch.DescribeAnomalyDetectorsInput{
        MaxResults: aws.Int64(25),
    }

    for {
        output, err := svc.DescribeAnomalyDetectors(params)
        if err != nil {
            return nil, err
        }

        for _, detector := range output.AnomalyDetectors {
            resources = append(resources, &CloudWatchAnomalyDetector{
                svc:        svc,
                detector:   detector.SingleMetricAnomalyDetector,
                MetricName: detector.SingleMetricAnomalyDetector.MetricName,
            })
        }

        if output.NextToken == nil {
            break
        }

        params.NextToken = output.NextToken
    }

    return resources, nil
}

type CloudWatchAnomalyDetector struct {
    svc        *cloudwatch.CloudWatch
    detector   *cloudwatch.SingleMetricAnomalyDetector
    MetricName *string
}

func (r *CloudWatchAnomalyDetector) Remove(_ context.Context) error {
    _, err := r.svc.DeleteAnomalyDetector(&cloudwatch.DeleteAnomalyDetectorInput{
        SingleMetricAnomalyDetector: r.detector,
    })

    return err
}

func (r *CloudWatchAnomalyDetector) Properties() types.Properties {
    return types.NewPropertiesFromStruct(r)
}

func (r *CloudWatchAnomalyDetector) String() string {
    return *r.MetricName
}