driftctl/pkg/middlewares/aws_sqs_queue_policy_expand...

96 lines
2.8 KiB
Go

package middlewares
import (
"github.com/sirupsen/logrus"
"github.com/snyk/driftctl/enumeration/resource"
dctlresource "github.com/snyk/driftctl/pkg/resource"
"github.com/snyk/driftctl/pkg/resource/aws"
)
// Explodes policy found in aws_sqs_queue.policy from state resources to dedicated resources
type AwsSQSQueuePolicyExpander struct {
resourceFactory resource.ResourceFactory
resourceSchemaRepository dctlresource.SchemaRepositoryInterface
}
func NewAwsSQSQueuePolicyExpander(resourceFactory resource.ResourceFactory, resourceSchemaRepository dctlresource.SchemaRepositoryInterface) AwsSQSQueuePolicyExpander {
return AwsSQSQueuePolicyExpander{
resourceFactory,
resourceSchemaRepository,
}
}
func (m AwsSQSQueuePolicyExpander) Execute(remoteResources, resourcesFromState *[]*resource.Resource) error {
for _, res := range *remoteResources {
if res.ResourceType() != aws.AwsSqsQueueResourceType {
continue
}
res.Attrs.SafeDelete([]string{"policy"})
}
newList := make([]*resource.Resource, 0)
for _, res := range *resourcesFromState {
// Ignore all resources other than sqs_queue
if res.ResourceType() != aws.AwsSqsQueueResourceType {
newList = append(newList, res)
continue
}
newList = append(newList, res)
policy, exist := res.Attrs.Get("policy")
if !exist || policy == nil {
continue
}
if m.hasPolicyAttached(res, resourcesFromState) {
res.Attrs.SafeDelete([]string{"policy"})
continue
}
err := m.handlePolicy(res, &newList)
if err != nil {
return err
}
}
*resourcesFromState = newList
return nil
}
func (m *AwsSQSQueuePolicyExpander) handlePolicy(queue *resource.Resource, results *[]*resource.Resource) error {
policy, exists := queue.Attrs.Get("policy")
if !exists || policy.(string) == "" {
queue.Attrs.SafeDelete([]string{"policy"})
return nil
}
data := map[string]interface{}{
"queue_url": queue.Id,
"id": queue.Id,
"policy": policy,
}
newPolicy := m.resourceFactory.CreateAbstractResource("aws_sqs_queue_policy", queue.Id, data)
*results = append(*results, newPolicy)
logrus.WithFields(logrus.Fields{
"id": newPolicy.ResourceId(),
}).Debug("Created new policy from sqs queue")
queue.Attrs.SafeDelete([]string{"policy"})
return nil
}
// Return true if the sqs queue has a aws_sqs_queue_policy resource attached to itself.
// It is mandatory since it's possible to have a aws_sqs_queue with an inline policy
// AND a aws_sqs_queue_policy resource at the same time. At the end, on the AWS console,
// the aws_sqs_queue_policy will be used.
func (m *AwsSQSQueuePolicyExpander) hasPolicyAttached(queue *resource.Resource, resourcesFromState *[]*resource.Resource) bool {
for _, res := range *resourcesFromState {
if res.ResourceType() == aws.AwsSqsQueuePolicyResourceType &&
res.ResourceId() == queue.Id {
return true
}
}
return false
}