L3 default support for Network Load Balancer

mmv1/products/compute/api.yaml

@@ -2654,6 +2654,7 @@ objects:
           - :TCP
           - :UDP
           - :GRPC
+          - :UNSPECIFIED
       - !ruby/object:Api::Type::Enum
         name: 'sessionAffinity'
         description: |
@@ -3697,6 +3698,7 @@ objects:
           - :AH
           - :SCTP
           - :ICMP
+          - :L3_DEFAULT
       # This is a multi-resource resource reference (BackendService (global), RegionBackendService)
       # We have custom expands that manage this.
       - !ruby/object:Api::Type::ResourceRef

mmv1/products/compute/terraform.yaml

@@ -723,6 +723,14 @@ overrides: !ruby/object:Overrides::ResourceOverrides
         vars:
           forwarding_rule_name: "website-forwarding-rule"
           target_pool_name: "website-target-pool"
+      - !ruby/object:Provider::Terraform::Examples
+        name: "forwarding_rule_l3_default"
+        primary_resource_id: "fwd_rule"
+        vars:
+          forwarding_rule_name: "l3-forwarding-rule"
+          service_name: "service"
+          health_check_name: "health-check"
+        min_version: beta
       - !ruby/object:Provider::Terraform::Examples
         name: "forwarding_rule_internallb"
         primary_resource_id: "default"

mmv1/templates/terraform/examples/forwarding_rule_l3_default.tf.erb

@@ -0,0 +1,26 @@
+resource "google_compute_forwarding_rule" "<%= ctx[:primary_resource_id] %>" {
+  provider        = google-beta
+  name            = "<%= ctx[:vars]['forwarding_rule_name'] %>"
+  backend_service = google_compute_region_backend_service.service.id
+  ip_protocol     = "L3_DEFAULT"
+  all_ports       = true
+}
+
+resource "google_compute_region_backend_service" "service" {
+  provider              = google-beta
+  region                = "us-central1"
+  name                  = "<%= ctx[:vars]['service_name'] %>"
+  health_checks         = [google_compute_region_health_check.health_check.id]
+  protocol              = "UNSPECIFIED"
+  load_balancing_scheme = "EXTERNAL"
+}
+
+resource "google_compute_region_health_check" "health_check" {
+  provider           = google-beta
+  name               = "<%= ctx[:vars]['health_check_name'] %>"
+  region             = "us-central1"
+
+  tcp_health_check {
+    port = 80
+  }
+}