Fix DNS E2E test + add one to net-lb-app-int-cross-region (#1993)

* Fix DNS E2E test + add one to net-lb-app-int-cross-region

* Update README.md

* Fix inventory for tests

* Fix tests

* Fix number of resources

---------

Co-authored-by: Julio Castillo <jccb@google.com>

modules/dns/README.md

@@ -90,26 +90,16 @@ module "private-dns" {
     }
     "A geo2" = {
       geo_routing = [
-        { location = "europe-west1", health_checked_targets = [
+        { location = var.region, health_checked_targets = [
           {
-            load_balancer_type = "globalL7ilb",
-            ip_address         = "10.10.2.3",
-            port               = "80",
-            ip_protocol        = "tcp",
+            load_balancer_type = "globalL7ilb"
+            ip_address         = module.net-lb-app-int-cross-region.addresses[var.region]
+            port               = "80"
+            ip_protocol        = "tcp"
             network_url        = var.vpc.self_link
             project            = var.project_id
           }
-        ] },
-        { location = "europe-west2", health_checked_targets = [
-          {
-            load_balancer_type = "globalL7ilb",
-            ip_address         = "10.10.3.3",
-            port               = "80",
-            ip_protocol        = "tcp",
-            network_url        = var.vpc.self_link
-            project            = var.project_id
-          }
-        ] },
+        ] }
       ]
     }
     "A wrr" = {
@@ -122,7 +112,7 @@ module "private-dns" {
     }
   }
 }
-# tftest modules=1 resources=5 inventory=routing-policies.yaml e2e
+# tftest modules=4 resources=12 fixtures=fixtures/net-lb-app-int-cross-region.tf,fixtures/compute-mig.tf inventory=routing-policies.yaml e2e
 ```
 
 ### Reverse Lookup Zone
@@ -184,4 +174,9 @@ module "public-dns" {
 | [name](outputs.tf#L32) | The DNS zone name. |  |
 | [name_servers](outputs.tf#L37) | The DNS zone name servers. |  |
 | [zone](outputs.tf#L42) | DNS zone resource. |  |
+
+## Fixtures
+
+- [compute-mig.tf](../../tests/fixtures/compute-mig.tf)
+- [net-lb-app-int-cross-region.tf](../../tests/fixtures/net-lb-app-int-cross-region.tf)
 <!-- END TFDOC -->

modules/net-lb-app-int-cross-region/README.md

@@ -22,6 +22,7 @@ Due to the complexity of the underlying resources, changes to the configuration
 - [Files](#files)
 - [Variables](#variables)
 - [Outputs](#outputs)
+- [Fixtures](#fixtures)
 <!-- END TOC -->
 
 ### Minimal Example
@@ -36,21 +37,18 @@ module "ilb-l7" {
   backend_service_configs = {
     default = {
       backends = [{
-        group = "projects/myprj/zones/europe-west1-a/instanceGroups/my-ig-ew1"
-        }, {
-        group = "projects/myprj/zones/europe-west2-a/instanceGroups/my-ig-ew4"
+        group = module.compute-mig.group_manager.instance_group
       }]
     }
   }
   vpc_config = {
     network = var.vpc.self_link
     subnetworks = {
-      europe-west1 = var.subnet1.self_link
-      europe-west4 = var.subnet2.self_link
+      (var.region) = var.subnet.self_link
     }
   }
 }
-# tftest modules=1 resources=6
+# tftest modules=3 resources=7 fixtures=fixtures/compute-mig.tf e2e
 ```
 
 An HTTPS ILB needs a few additional fields:
@@ -774,4 +772,8 @@ module "ilb-l7" {
 | [neg_ids](outputs.tf#L61) | Autogenerated network endpoint group ids. |  |
 | [psc_neg_ids](outputs.tf#L68) | Autogenerated PSC network endpoint group ids. |  |
 | [regional_neg_ids](outputs.tf#L75) | Autogenerated regional network endpoint group ids. |  |
+
+## Fixtures
+
+- [compute-mig.tf](../../tests/fixtures/compute-mig.tf)
 <!-- END TFDOC -->

tests/fixtures/net-lb-app-int-cross-region.tf

@@ -0,0 +1,34 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# requires fixtures/fixtures/compute-mig.tf
+
+module "net-lb-app-int-cross-region" {
+  source     = "./fabric/modules/net-lb-app-int-cross-region"
+  name       = "ilb-test"
+  project_id = var.project_id
+  backend_service_configs = {
+    default = {
+      backends = [{
+        group = module.compute-mig.group_manager.instance_group
+      }]
+    }
+  }
+  vpc_config = {
+    network = var.vpc.self_link
+    subnetworks = {
+      (var.region) = var.subnet.self_link
+    }
+  }
+}

tests/modules/dns/examples/routing-policies.yaml

@@ -64,28 +64,8 @@ values:
     routing_policy:
     - enable_geo_fencing: null
       geo:
-      - health_checked_targets:
-        - internal_load_balancers:
-          - ip_address: 10.10.2.3
-            ip_protocol: tcp
-            load_balancer_type: globalL7ilb
-            network_url: projects/xxx/global/networks/aaa
-            port: '80'
-            project: project-id
-            region: null
-        location: europe-west1
-        rrdatas: null
-      - health_checked_targets:
-        - internal_load_balancers:
-          - ip_address: 10.10.3.3
-            ip_protocol: tcp
-            load_balancer_type: globalL7ilb
-            network_url: projects/xxx/global/networks/aaa
-            port: '80'
-            project: project-id
-            region: null
-        location: europe-west2
-        rrdatas: null
+        - location: europe-west8
+          rrdatas: null
       primary_backup: []
       wrr: []
     rrdatas: null
@@ -128,5 +108,5 @@ values:
 counts:
   google_dns_managed_zone: 1
   google_dns_record_set: 4
-  modules: 1
-  resources: 5
+  modules: 4
+  resources: 12