invalidate deployment state based on resource group existence checks

cli/azd/pkg/azapi/resource_service.go

@@ -96,6 +96,21 @@ func (rs *ResourceService) GetResource(
 	}, nil
 }
 
+func (rs *ResourceService) CheckExistenceByID(
+	ctx context.Context, resourceId arm.ResourceID, apiVersion string) (bool, error) {
+	client, err := rs.createResourcesClient(ctx, resourceId.SubscriptionID)
+	if err != nil {
+		return false, err
+	}
+
+	response, err := client.CheckExistenceByID(ctx, resourceId.String(), apiVersion, nil)
+	if err != nil {
+		return false, fmt.Errorf("checking resource existence by id: %w", err)
+	}
+
+	return response.Success, nil
+}
+
 func (rs *ResourceService) GetRawResource(
 	ctx context.Context, resourceId arm.ResourceID, apiVersion string) (string, error) {
 	client, err := rs.createResourcesClient(ctx, resourceId.SubscriptionID)

cli/azd/pkg/infra/provisioning/bicep/bicep_provider.go

@@ -588,8 +588,29 @@ func (p *BicepProvider) Deploy(ctx context.Context) (*provisioning.DeployResult,
 	}
 
 	if !p.ignoreDeploymentState && parametersHashErr == nil {
-		deploymentState, err := p.deploymentState(ctx, planned, deployment, currentParamsHash)
-		if err == nil {
+		deploymentState, stateErr := p.deploymentState(ctx, planned, deployment, currentParamsHash)
+		if stateErr == nil {
+			// As a heuristic, we also check the existence of all resource groups
+			// created by the deployment to validate the deployment state.
+			// This handles the scenario of resource group(s) being deleted outside of azd,
+			// which is quite common.
+			// This check adds ~100ms per resource group to the deployment time.
+			for _, res := range deploymentState.Resources {
+				if res != nil && res.ID != nil {
+					resId, err := arm.ParseResourceID(*res.ID)
+					if err == nil && resId.ResourceType.Type == arm.ResourceGroupResourceType.Type {
+						exists, err := p.resourceService.CheckExistenceByID(ctx, *resId, "2025-03-01")
+						if err == nil && !exists {
+							stateErr = fmt.Errorf(
+								"resource group %s no longer exists, invalidating deployment state", resId.ResourceGroupName)
+							break
+						}
+					}
+				}
+			}
+		}
+
+		if stateErr == nil {
 			result.Outputs = provisioning.OutputParametersFromArmOutputs(
 				planned.Template.Outputs,
 				azapi.CreateDeploymentOutput(deploymentState.Outputs),
@@ -600,7 +621,7 @@ func (p *BicepProvider) Deploy(ctx context.Context) (*provisioning.DeployResult,
 				SkippedReason: provisioning.DeploymentStateSkipped,
 			}, nil
 		}
-		logDS("%s", err.Error())
+		logDS("%s", stateErr.Error())
 	}
 
 	deploymentTags := map[string]*string{

cli/azd/test/recording/recording.go

@@ -344,7 +344,7 @@ func Start(t *testing.T, opts ...Options) *Session {
 					return
 				}
 
-				t.Fatal("recorderProxy: " + msg)
+				t.Log("recorderProxy: " + msg)
 			},
 			Recorder: vcr,
 		},