driftctl/pkg/remote/aws/iam_role_policy_supplier.go

104 lines
2.6 KiB
Go

package aws
import (
"fmt"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
"github.com/aws/aws-sdk-go/service/iam"
"github.com/aws/aws-sdk-go/service/iam/iamiface"
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
"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"
)
type IamRolePolicySupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client iamiface.IAMAPI
runner *terraform.ParallelResourceReader
}
func NewIamRolePolicySupplier(provider *AWSTerraformProvider) *IamRolePolicySupplier {
return &IamRolePolicySupplier{
provider,
awsdeserializer.NewIamRolePolicyDeserializer(),
iam.New(provider.session),
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func (s *IamRolePolicySupplier) Resources() ([]resource.Resource, error) {
policies, err := listIamRolePolicies(s.client, resourceaws.AwsIamRolePolicyResourceType)
if err != nil {
return nil, err
}
for _, policyName := range policies {
name := policyName
s.runner.Run(func() (cty.Value, error) {
return s.readRes(name)
})
}
results, err := s.runner.Wait()
if err != nil {
return nil, err
}
return s.deserializer.Deserialize(results)
}
func (s *IamRolePolicySupplier) readRes(name string) (cty.Value, error) {
res, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: resourceaws.AwsIamRolePolicyResourceType,
ID: name,
},
)
if err != nil {
logrus.Warnf("Error reading iam role policy %s[%s]: %+v", name, resourceaws.AwsIamRolePolicyResourceType, err)
return cty.NilVal, err
}
return *res, nil
}
func listIamRolePolicies(client iamiface.IAMAPI, supplierType string) ([]string, error) {
roles, err := listIamRoles(client, supplierType)
if err != nil {
return nil, err
}
var resources []string
for _, role := range roles {
role := role
input := &iam.ListRolePoliciesInput{
RoleName: role.RoleName,
}
err := client.ListRolePoliciesPages(input, func(res *iam.ListRolePoliciesOutput, lastPage bool) bool {
for _, policy := range res.PolicyNames {
policy := policy
resources = append(
resources,
fmt.Sprintf(
"%s:%s",
*role.RoleName,
*policy,
),
)
}
return !lastPage
})
if err != nil {
return nil, remoteerror.NewResourceEnumerationErrorWithType(err, supplierType, resourceaws.AwsIamRoleResourceType)
}
}
return resources, nil
}