driftctl/pkg/remote/aws/iam_role_supplier.go

85 lines
2.3 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/service/iam"
"github.com/cloudskiff/driftctl/pkg/remote/aws/repository"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"github.com/cloudskiff/driftctl/pkg/resource"
resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/sirupsen/logrus"
"github.com/zclconf/go-cty/cty"
)
var iamRoleExclusionList = map[string]struct{}{
// Enabled by default for aws to enable support, not removable
"AWSServiceRoleForSupport": {},
// Enabled and not removable for every org account
"AWSServiceRoleForOrganizations": {},
// Not manageable by IaC and set by default
"AWSServiceRoleForTrustedAdvisor": {},
}
type IamRoleSupplier struct {
reader terraform.ResourceReader
deserializer *resource.Deserializer
repository repository.IAMRepository
runner *terraform.ParallelResourceReader
}
func NewIamRoleSupplier(provider *AWSTerraformProvider, deserializer *resource.Deserializer, repository repository.IAMRepository) *IamRoleSupplier {
return &IamRoleSupplier{
provider,
deserializer,
repository,
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func awsIamRoleShouldBeIgnored(roleName string) bool {
_, ok := iamRoleExclusionList[roleName]
return ok
}
func (s *IamRoleSupplier) Resources() ([]resource.Resource, error) {
roles, err := s.repository.ListAllRoles()
if err != nil {
return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsIamRoleResourceType)
}
results := make([]cty.Value, 0)
if len(roles) > 0 {
for _, role := range roles {
u := *role
if u.RoleName != nil && awsIamRoleShouldBeIgnored(*u.RoleName) {
continue
}
s.runner.Run(func() (cty.Value, error) {
return s.readRole(&u)
})
}
results, err = s.runner.Wait()
if err != nil {
return nil, err
}
}
return s.deserializer.Deserialize(resourceaws.AwsIamRoleResourceType, results)
}
func (s *IamRoleSupplier) readRole(resource *iam.Role) (cty.Value, error) {
res, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: resourceaws.AwsIamRoleResourceType,
ID: *resource.RoleName,
},
)
if err != nil {
logrus.Warnf("Error reading iam role %s[%s]: %+v", *resource.RoleName, resourceaws.AwsIamRoleResourceType, err)
return cty.NilVal, err
}
return *res, nil
}