driftctl/pkg/remote/aws/s3_bucket_policy_supplier.go

90 lines
2.4 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/service/s3"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
"github.com/cloudskiff/driftctl/pkg/resource"
"github.com/cloudskiff/driftctl/pkg/resource/aws"
awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/zclconf/go-cty/cty"
)
type S3BucketPolicySupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
factory AwsClientFactoryInterface
runner *terraform.ParallelResourceReader
}
func NewS3BucketPolicySupplier(provider *AWSTerraformProvider, factory AwsClientFactoryInterface) *S3BucketPolicySupplier {
return &S3BucketPolicySupplier{
provider,
awsdeserializer.NewS3BucketPolicyDeserializer(),
factory,
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func (s *S3BucketPolicySupplier) Resources() ([]resource.Resource, error) {
input := &s3.ListBucketsInput{}
client := s.factory.GetS3Client(nil)
response, err := client.ListBuckets(input)
if err != nil {
return nil, remoteerror.NewResourceEnumerationErrorWithType(err, aws.AwsS3BucketPolicyResourceType, aws.AwsS3BucketResourceType)
}
for _, bucket := range response.Buckets {
name := *bucket.Name
region, err := readBucketRegion(&client, name)
if err != nil {
return nil, err
}
if region == "" {
continue
}
s.listBucketPolicyConfiguration(*bucket.Name, region)
}
ctyVals, err := s.runner.Wait()
if err != nil {
return nil, err
}
deserializedValues, err := s.deserializer.Deserialize(ctyVals)
results := make([]resource.Resource, 0, len(deserializedValues))
if err != nil {
return deserializedValues, err
}
for _, val := range deserializedValues {
res, ok := val.(*aws.AwsS3BucketPolicy)
if ok {
if res.Policy != nil && *res.Policy != "" {
results = append(results, res)
}
}
}
return results, nil
}
func (s *S3BucketPolicySupplier) listBucketPolicyConfiguration(name, region string) {
s.runner.Run(func() (cty.Value, error) {
s3BucketNotification, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: aws.AwsS3BucketPolicyResourceType,
ID: name,
Attributes: map[string]string{
"alias": region,
},
},
)
if err != nil {
return cty.NilVal, err
}
return *s3BucketNotification, err
})
}