compute: Add example for log_config optional_mode and optional_fields in google_compute_backend_service. (#14083) (#23047)

[upstream:f8a7b49cee45d524b8c11c32a1c11eea1ac086aa]

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

google/services/compute/resource_compute_backend_service.go

@@ -932,7 +932,8 @@ If logging is enabled, logs will be exported to Stackdriver.`,
 							Optional: true,
 							Description: `This field can only be specified if logging is enabled for this backend service and "logConfig.optionalMode"
 was set to CUSTOM. Contains a list of optional fields you want to include in the logs.
-For example: serverInstance, serverGkeDetails.cluster, serverGkeDetails.pod.podNamespace`,
+For example: serverInstance, serverGkeDetails.cluster, serverGkeDetails.pod.podNamespace
+For example: orca_load_report, tls.protocol`,
 							Elem: &schema.Schema{
 								Type: schema.TypeString,
 							},

google/services/compute/resource_compute_backend_service_generated_test.go

@@ -497,6 +497,11 @@ resource "google_compute_backend_service" "default" {
       dry_run = false
     }
   }
+  log_config {
+    enable          = true
+    optional_mode   = "CUSTOM"
+    optional_fields = [ "orca_load_report", "tls.protocol" ]
+  }  
 }
 
 resource "google_compute_health_check" "default" {

website/docs/r/compute_backend_service.html.markdown

@@ -464,6 +464,11 @@ resource "google_compute_backend_service" "default" {
       dry_run = false
     }
   }
+  log_config {
+    enable          = true
+    optional_mode   = "CUSTOM"
+    optional_fields = [ "orca_load_report", "tls.protocol" ]
+  }  
 }
 
 resource "google_compute_health_check" "default" {
@@ -1619,6 +1624,7 @@ The following arguments are supported:
   This field can only be specified if logging is enabled for this backend service and "logConfig.optionalMode"
   was set to CUSTOM. Contains a list of optional fields you want to include in the logs.
   For example: serverInstance, serverGkeDetails.cluster, serverGkeDetails.pod.podNamespace
+  For example: orca_load_report, tls.protocol
 
 <a name="nested_tls_settings"></a>The `tls_settings` block supports: