ekristen/aws-nuke

package resources

import (
    "context"

    "github.com/sirupsen/logrus"

    "github.com/aws/aws-sdk-go/aws"
    "github.com/aws/aws-sdk-go/service/ecs"
    "github.com/aws/aws-sdk-go/service/ecs/ecsiface"

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

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

const ECSClusterResource = "ECSCluster"

func init() {
    registry.Register(&registry.Registration{
        Name:     ECSClusterResource,
        Scope:    nuke.Account,
        Resource: &ECSCluster{},
        Lister:   &ECSClusterLister{},
    })
}

type ECSClusterLister struct {
    mockSvc ecsiface.ECSAPI
}

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

    var svc ecsiface.ECSAPI
    if l.mockSvc != nil {
        svc = l.mockSvc
    } else {
        svc = ecs.New(opts.Session)
    }

    resources := make([]resource.Resource, 0)

    params := &ecs.ListClustersInput{
        MaxResults: aws.Int64(100),
    }

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

        for _, clusterChunk := range slices.Chunk(output.ClusterArns, 100) {
            clusters, err := svc.DescribeClusters(&ecs.DescribeClustersInput{
                Clusters: clusterChunk,
            })
            if err != nil {
                logrus.WithError(err).Error("unable to retrieve clusters")
            }

            for _, cluster := range clusters.Clusters {
                resources = append(resources, &ECSCluster{
                    svc:  svc,
                    ARN:  cluster.ClusterArn,
                    tags: cluster.Tags,
                })
            }
        }

        if output.NextToken == nil {
            break
        }

        params.NextToken = output.NextToken
    }

    return resources, nil
}

type ECSCluster struct {
    svc  ecsiface.ECSAPI
    ARN  *string
    tags []*ecs.Tag
}

func (f *ECSCluster) Remove(_ context.Context) error {
    _, err := f.svc.DeleteCluster(&ecs.DeleteClusterInput{
        Cluster: f.ARN,
    })

    return err
}

func (f *ECSCluster) String() string {
    return *f.ARN
}

func (f *ECSCluster) Properties() types.Properties {
    properties := types.NewProperties()
    properties.Set("ARN", f.ARN)

    for _, tag := range f.tags {
        properties.SetTag(tag.Key, tag.Value)
    }

    return properties
}