Ignore unsupported resource from IaC

pkg/iac/terraform/state/terraform_state_reader.go

@@ -70,6 +70,15 @@ func (r *TerraformStateReader) retrieve() (map[string][]cty.Value, error) {
 		for _, stateRes := range module.Resources {
 			resName := stateRes.Addr.Resource.Name
 			resType := stateRes.Addr.Resource.Type
+
+			if !resource.IsResourceTypeSupported(resType) {
+				logrus.WithFields(logrus.Fields{
+					"name": resName,
+					"type": resType,
+				}).Debug("Ignored unsupported resource from state")
+				continue
+			}
+
 			if stateRes.Addr.Resource.Mode != addrs.ManagedResourceMode {
 				logrus.WithFields(logrus.Fields{
 					"mode": stateRes.Addr.Resource.Mode,
@@ -160,9 +169,6 @@ func (r *TerraformStateReader) decode(values map[string][]cty.Value) ([]resource
 	results := make([]resource.Resource, 0)
 
 	for ty, val := range values {
-		if !resource.IsResourceTypeSupported(ty) {
-			continue
-		}
 		decodedResources, err := r.deserializer.Deserialize(ty, val)
 		if err != nil {
 			logrus.WithField("ty", ty).Warnf("Could not read from state: %+v", err)

pkg/iac/terraform/state/terraform_state_reader_test.go

@@ -61,6 +61,7 @@ func TestTerraformStateReader_AWS_Resources(t *testing.T) {
 		{name: "Lambda function", dirName: "lambda_function", wantErr: false},
 		{name: "unsupported attribute", dirName: "unsupported_attribute", wantErr: false},
 		{name: "Unsupported provider", dirName: "unsupported_provider", wantErr: false},
+		{name: "Unsupported resource", dirName: "unsupported_resource", wantErr: false},
 		{name: "EC2 instance", dirName: "ec2_instance", wantErr: false},
 		{name: "EC2 key pair", dirName: "ec2_key_pair", wantErr: false},
 		{name: "EC2 ami", dirName: "ec2_ami", wantErr: false},

pkg/iac/terraform/state/test/unsupported_resource/result.golden.json

@@ -0,0 +1 @@
+[]

pkg/iac/terraform/state/test/unsupported_resource/terraform.tfstate

@@ -0,0 +1,33 @@
+{
+  "version": 4,
+  "terraform_version": "0.15.5",
+  "serial": 52,
+  "lineage": "06b3de6d-5de6-0777-b4db-f1b145a44635",
+  "outputs": {},
+  "resources": [
+    {
+      "mode": "managed",
+      "type": "aws_codedeploy_app",
+      "name": "example",
+      "provider": "provider[\"registry.terraform.io/hashicorp/aws\"]",
+      "instances": [
+        {
+          "schema_version": 0,
+          "attributes": {
+            "application_id": "94e6e3fd-5743-4818-bf3d-2d31f139d859",
+            "arn": "arn:aws:codedeploy:eu-west-3:929327065333:application:example",
+            "compute_platform": "ECS",
+            "github_account_name": "",
+            "id": "94e6e3fd-5743-4818-bf3d-2d31f139d859:example",
+            "linked_to_github": false,
+            "name": "example",
+            "tags": null,
+            "tags_all": {}
+          },
+          "sensitive_attributes": [],
+          "private": "bnVsbA=="
+        }
+      ]
+    }
+  ]
+}