Add support for google provider 6.x (#2536)

* Add support for google provider 6.x

Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>
Co-authored-by: Wiktor Niesiobędzki <wiktorn@google.com>
Co-authored-by: Julio Castillo <jccb@google.com>

tests/modules/net_lb_proxy_int/examples/zonal-neg.yaml

@@ -17,58 +17,93 @@ values:
     address: 10.0.0.10
     address_type: INTERNAL
     description: null
+    effective_labels:
+      goog-terraform-provisioned: 'true'
+    ip_version: null
+    ipv6_endpoint_type: null
+    labels: null
     name: neg-test
+    network: null
     project: project-id
     region: europe-west1
     subnetwork: subnet_self_link
+    terraform_labels:
+      goog-terraform-provisioned: 'true'
+    timeouts: null
   module.int-tcp-proxy.google_compute_forwarding_rule.default:
+    all_ports: null
+    allow_global_access: null
+    allow_psc_global_access: null
+    backend_service: null
     description: Terraform managed.
     ip_protocol: TCP
+    is_mirroring_collector: null
+    labels: null
     load_balancing_scheme: INTERNAL_MANAGED
     name: int-tcp-proxy
     network: projects/xxx/global/networks/aaa
+    no_automate_dns_zone: null
     port_range: '80'
+    ports: null
     project: project-id
+    recreate_closed_psc: false
     region: europe-west1
+    service_label: null
+    source_ip_ranges: null
     subnetwork: subnet_self_link
+    timeouts: null
   module.int-tcp-proxy.google_compute_network_endpoint.default["my-neg-e-0"]:
     instance: test-1
     ip_address: 10.0.0.10
     network_endpoint_group: int-tcp-proxy-my-neg
     port: 80
     project: project-id
+    timeouts: null
     zone: europe-west1-b
   module.int-tcp-proxy.google_compute_network_endpoint_group.default["my-neg"]:
+    default_port: null
     description: Terraform managed.
     name: int-tcp-proxy-my-neg
     network: projects/xxx/global/networks/aaa
     network_endpoint_type: GCE_VM_IP_PORT
     project: project-id
     subnetwork: subnet_self_link
+    timeouts: null
     zone: europe-west1-b
   module.int-tcp-proxy.google_compute_region_backend_service.default:
+    affinity_cookie_ttl_sec: null
     backend:
     - balancing_mode: CONNECTION
       capacity_scaler: 1
       description: Terraform managed.
       failover: false
+      max_connections: null
       max_connections_per_endpoint: 10
+      max_connections_per_instance: null
+      max_rate: null
+      max_rate_per_endpoint: null
+      max_rate_per_instance: null
+      max_utilization: null
     circuit_breakers: []
-    connection_draining_timeout_sec: 0
+    connection_draining_timeout_sec: 300
     connection_tracking_policy: []
     consistent_hash: []
     description: Terraform managed.
+    enable_cdn: null
     failover_policy: []
     iap: []
     load_balancing_scheme: INTERNAL_MANAGED
+    locality_lb_policy: null
     name: int-tcp-proxy
-    network: null # TODO: ???
+    network: null
     outlier_detection: []
     project: project-id
     protocol: TCP
     region: europe-west1
+    security_policy: null
     session_affinity: NONE
     subsetting: []
+    timeouts: null
   module.int-tcp-proxy.google_compute_region_health_check.default[0]:
     check_interval_sec: 5
     description: Terraform managed.
@@ -89,6 +124,7 @@ values:
       request: null
       response: null
     timeout_sec: 5
+    timeouts: null
     unhealthy_threshold: 2
   module.int-tcp-proxy.google_compute_region_target_tcp_proxy.default:
     description: Terraform managed.
@@ -96,3 +132,15 @@ values:
     project: project-id
     proxy_header: NONE
     region: europe-west1
+    timeouts: null
+
+counts:
+  google_compute_address: 1
+  google_compute_forwarding_rule: 1
+  google_compute_network_endpoint: 1
+  google_compute_network_endpoint_group: 1
+  google_compute_region_backend_service: 1
+  google_compute_region_health_check: 1
+  google_compute_region_target_tcp_proxy: 1
+  modules: 1
+  resources: 7