ekristen/aws-nuke

package resources

import (
    "context"

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

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

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

const CloudWatchDashboardResource = "CloudWatchDashboard"

func init() {
    registry.Register(&registry.Registration{
        Name:     CloudWatchDashboardResource,
        Scope:    nuke.Account,
        Resource: &CloudWatchDashboard{},
        Lister:   &CloudWatchDashboardLister{},
    })
}

type CloudWatchDashboardLister struct{}

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

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

    params := &cloudwatch.ListDashboardsInput{}

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

        for _, dashboardEntry := range output.DashboardEntries {
            resources = append(resources, &CloudWatchDashboard{
                svc:           svc,
                dashboardName: dashboardEntry.DashboardName,
            })
        }

        if output.NextToken == nil {
            break
        }

        params.NextToken = output.NextToken
    }

    return resources, nil
}

type CloudWatchDashboard struct {
    svc           *cloudwatch.CloudWatch
    dashboardName *string
}

func (f *CloudWatchDashboard) Remove(_ context.Context) error {
    _, err := f.svc.DeleteDashboards(&cloudwatch.DeleteDashboardsInput{
        DashboardNames: []*string{f.dashboardName},
    })

    return err
}

func (f *CloudWatchDashboard) String() string {
    return *f.dashboardName
}