driftctl/pkg/remote/aws/s3_bucket_policy_supplier.go

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package aws
import (
"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
tf "github.com/cloudskiff/driftctl/pkg/remote/terraform"
"github.com/cloudskiff/driftctl/pkg/resource"
"github.com/cloudskiff/driftctl/pkg/resource/aws"
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"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/zclconf/go-cty/cty"
)
type S3BucketPolicySupplier struct {
reader terraform.ResourceReader
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deserializer *resource.Deserializer
repository repository.S3Repository
runner *terraform.ParallelResourceReader
providerConfig tf.TerraformProviderConfig
}
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func NewS3BucketPolicySupplier(provider *AWSTerraformProvider, repository repository.S3Repository, deserializer *resource.Deserializer) *S3BucketPolicySupplier {
return &S3BucketPolicySupplier{
provider,
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deserializer,
repository,
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
provider.Config,
}
}
func (s *S3BucketPolicySupplier) Resources() ([]resource.Resource, error) {
buckets, err := s.repository.ListAllBuckets()
if err != nil {
return nil, remoteerror.NewResourceEnumerationErrorWithType(err, aws.AwsS3BucketPolicyResourceType, aws.AwsS3BucketResourceType)
}
for _, bucket := range buckets {
bucket := *bucket
region, err := s.repository.GetBucketLocation(&bucket)
if err != nil {
return nil, err
}
if region == "" || region != s.providerConfig.DefaultAlias {
continue
}
s.runner.Run(func() (cty.Value, error) {
s3BucketNotification, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: aws.AwsS3BucketPolicyResourceType,
ID: *bucket.Name,
Attributes: map[string]string{
"alias": region,
},
},
)
if err != nil {
return cty.NilVal, err
}
return *s3BucketNotification, err
})
}
ctyVals, err := s.runner.Wait()
if err != nil {
return nil, err
}
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deserializedValues, err := s.deserializer.Deserialize(aws.AwsS3BucketPolicyResourceType, ctyVals)
results := make([]resource.Resource, 0, len(deserializedValues))
if err != nil {
return deserializedValues, err
}
for _, val := range deserializedValues {
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res, _ := val.(*resource.AbstractResource)
policy, _ := res.Attrs.Get("policy")
if policy != nil && policy != "" {
results = append(results, res)
}
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}
return results, nil
}