ekristen/aws-nuke

package resources

import (
    "context"

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

    "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 BedrockDataSourceResource = "BedrockDataSource"

func init() {
    registry.Register(&registry.Registration{
        Name:     BedrockDataSourceResource,
        Scope:    nuke.Account,
        Resource: &BedrockDataSource{},
        Lister:   &BedrockDataSourceLister{},
    })
}

type BedrockDataSourceLister struct{}

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

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

    // Require to have workspaces identifiers to query components
    knowledgeBaseListResponse, err := ListKnowledgeBaseForDataSource(svc)
    if err != nil {
        return nil, err
    }

    for _, knowledgeBaseResponse := range knowledgeBaseListResponse {
        params := &bedrockagent.ListDataSourcesInput{
            KnowledgeBaseId: knowledgeBaseResponse.KnowledgeBaseId,
            MaxResults:      aws.Int64(25),
        }

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

            for _, item := range resp.DataSourceSummaries {
                resources = append(resources, &BedrockDataSource{
                    svc:             svc,
                    ID:              item.DataSourceId,
                    Name:            item.Name,
                    Status:          item.Status,
                    KnowledgeBaseID: knowledgeBaseResponse.KnowledgeBaseId,
                })
            }
            if resp.NextToken == nil {
                break
            }
            params.NextToken = resp.NextToken
        }
    }

    return resources, nil
}

// Utility function to list knowledge bases
func ListKnowledgeBaseForDataSource(svc *bedrockagent.BedrockAgent) ([]*bedrockagent.KnowledgeBaseSummary, error) {
    resources := make([]*bedrockagent.KnowledgeBaseSummary, 0)
    params := &bedrockagent.ListKnowledgeBasesInput{
        MaxResults: aws.Int64(25),
    }
    for {
        resp, err := svc.ListKnowledgeBases(params)
        if err != nil {
            return nil, err
        }
        resources = append(resources, resp.KnowledgeBaseSummaries...)
        if resp.NextToken == nil {
            break
        }
        params.NextToken = resp.NextToken
    }
    return resources, nil
}

type BedrockDataSource struct {
    svc             *bedrockagent.BedrockAgent
    ID              *string
    Name            *string
    Status          *string
    KnowledgeBaseID *string
}

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

func (r *BedrockDataSource) Remove(_ context.Context) error {
    // Must set retention to RETAIN to be able to delete datasource when data is already removed
    // Reference: https://github.com/ekristen/aws-nuke/issues/431
    current, err := r.svc.GetDataSource(&bedrockagent.GetDataSourceInput{
        DataSourceId:    r.ID,
        KnowledgeBaseId: r.KnowledgeBaseID,
    })
    if err != nil {
        return err
    }
    _, err = r.svc.UpdateDataSource(&bedrockagent.UpdateDataSourceInput{
        DataDeletionPolicy:                aws.String(bedrockagent.DataDeletionPolicyRetain),
        DataSourceConfiguration:           current.DataSource.DataSourceConfiguration,
        DataSourceId:                      r.ID,
        Description:                       current.DataSource.Description,
        KnowledgeBaseId:                   r.KnowledgeBaseID,
        Name:                              current.DataSource.Name,
        ServerSideEncryptionConfiguration: current.DataSource.ServerSideEncryptionConfiguration,
        VectorIngestionConfiguration:      current.DataSource.VectorIngestionConfiguration,
    })
    if err != nil {
        return err
    }
    _, err = r.svc.DeleteDataSource(&bedrockagent.DeleteDataSourceInput{
        DataSourceId:    r.ID,
        KnowledgeBaseId: r.KnowledgeBaseID,
    })
    return err
}

func (r *BedrockDataSource) String() string {
    return *r.ID
}