ekristen/aws-nuke

package resources

import (
    "context"
    "fmt"

    "github.com/gotidy/ptr"

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

    "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 ElasticacheUserResource = "ElasticacheUser"

func init() {
    registry.Register(&registry.Registration{
        Name:     ElasticacheUserResource,
        Scope:    nuke.Account,
        Resource: &ElasticacheUser{},
        Lister:   &ElasticacheUserLister{},
    })
}

type ElasticacheUserLister struct{}

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

    svc := elasticache.New(opts.Session)
    resources := make([]resource.Resource, 0)
    var nextToken *string

    for {
        params := &elasticache.DescribeUsersInput{
            MaxRecords: aws.Int64(100),
            Marker:     nextToken,
        }
        resp, err := svc.DescribeUsers(params)
        if err != nil {
            return nil, err
        }

        for _, user := range resp.Users {
            resources = append(resources, &ElasticacheUser{
                svc:      svc,
                userID:   user.UserId,
                userName: user.UserName,
            })
        }

        // Check if there are more results
        if resp.Marker == nil {
            break // No more results, exit the loop
        }

        // Set the nextToken for the next iteration
        nextToken = resp.Marker
    }

    return resources, nil
}

type ElasticacheUser struct {
    svc      *elasticache.ElastiCache
    userID   *string
    userName *string
}

func (i *ElasticacheUser) Filter() error {
    if ptr.ToString(i.userID) == "default" {
        return fmt.Errorf("cannot delete default user")
    }
    return nil
}

func (i *ElasticacheUser) Remove(_ context.Context) error {
    params := &elasticache.DeleteUserInput{
        UserId: i.userID,
    }

    _, err := i.svc.DeleteUser(params)
    if err != nil {
        return err
    }

    return nil
}

func (i *ElasticacheUser) Properties() types.Properties {
    properties := types.NewProperties()
    properties.Set("ID", i.userID)
    properties.Set("UserName", i.userName)
    return properties
}

func (i *ElasticacheUser) String() string {
    return *i.userID
}