driftctl/pkg/middlewares/aws_api_gateway_rest_api_po...

81 lines
2.5 KiB
Go

package middlewares
import (
"github.com/cloudskiff/driftctl/pkg/resource"
"github.com/cloudskiff/driftctl/pkg/resource/aws"
"github.com/sirupsen/logrus"
)
// Explodes policy found in aws_api_gateway_rest_api.policy from state resources to dedicated resources
type AwsApiGatewayRestApiPolicyExpander struct {
resourceFactory resource.ResourceFactory
}
func NewAwsApiGatewayRestApiPolicyExpander(resourceFactory resource.ResourceFactory) AwsApiGatewayRestApiPolicyExpander {
return AwsApiGatewayRestApiPolicyExpander{
resourceFactory: resourceFactory,
}
}
func (m AwsApiGatewayRestApiPolicyExpander) Execute(_, resourcesFromState *[]*resource.Resource) error {
newList := make([]*resource.Resource, 0)
for _, res := range *resourcesFromState {
// Ignore all resources other than api_gateway_rest_api
if res.ResourceType() != aws.AwsApiGatewayRestApiResourceType {
newList = append(newList, res)
continue
}
newList = append(newList, res)
if hasRestApiPolicyAttached(res.ResourceId(), resourcesFromState) {
res.Attrs.SafeDelete([]string{"policy"})
continue
}
err := m.handlePolicy(res, &newList)
if err != nil {
return err
}
}
*resourcesFromState = newList
return nil
}
func (m *AwsApiGatewayRestApiPolicyExpander) handlePolicy(api *resource.Resource, results *[]*resource.Resource) error {
policy, exist := api.Attrs.Get("policy")
if !exist || policy == nil || policy == "" {
return nil
}
data := map[string]interface{}{
"id": api.ResourceId(),
"rest_api_id": api.ResourceId(),
"policy": policy,
}
newPolicy := m.resourceFactory.CreateAbstractResource(aws.AwsApiGatewayRestApiPolicyResourceType, api.ResourceId(), data)
*results = append(*results, newPolicy)
logrus.WithFields(logrus.Fields{
"id": newPolicy.ResourceId(),
}).Debug("Created new policy from api gateway rest api")
api.Attrs.SafeDelete([]string{"policy"})
return nil
}
// Return true if the rest api has a aws_api_gateway_rest_api_policy resource attached to itself.
// It is mandatory since it's possible to have a aws_api_gateway_rest_api with an inline policy
// AND a aws_api_gateway_rest_api_policy resource at the same time. At the end, on the AWS console,
// the aws_api_gateway_rest_api_policy will be used.
func hasRestApiPolicyAttached(api string, resourcesFromState *[]*resource.Resource) bool {
for _, res := range *resourcesFromState {
if res.ResourceType() == aws.AwsApiGatewayRestApiPolicyResourceType &&
res.ResourceId() == api {
return true
}
}
return false
}