feat: add Media CDN sample for custom headers

media_cdn/custom_headers/main.tf

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+/**
+ * Copyright 2025 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.
+ */
+
+# Terraform Registry: https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/network_services_edge_cache_service
+# Google Cloud Documentation
+#   1. https://cloud.google.com/media-cdn/docs/quickstart#create-service
+#   2. https://cloud.google.com/media-cdn/docs/origins#cloud-storage-origins
+
+# [START mediacdn_custom_headers_parent_tag]
+resource "random_id" "unique_suffix" {
+  byte_length = 8
+}
+
+resource "google_storage_bucket" "default" {
+  name                        = "my-bucket-${random_id.unique_suffix.hex}"
+  location                    = "US"
+  force_destroy               = true
+  uniform_bucket_level_access = true
+}
+
+resource "google_network_services_edge_cache_origin" "default" {
+  name           = "cloud-storage-origin"
+  origin_address = "gs://my-bucket-${random_id.unique_suffix.hex}"
+}
+
+resource "google_network_services_edge_cache_service" "default" {
+  name = "cloud-media-service"
+  routing {
+    host_rule {
+      hosts        = ["googlecloudexample.com"]
+      path_matcher = "routes"
+    }
+    path_matcher {
+      name = "routes"
+      route_rule {
+        description = "a default route rule with low priority"
+        priority    = 10
+        match_rule {
+          prefix_match = "/"
+        }
+        origin = google_network_services_edge_cache_origin.default.name
+        route_action {
+          cdn_policy {
+            cache_mode  = "CACHE_ALL_STATIC"
+            default_ttl = "3600s"
+          }
+        }
+        header_action {
+          response_header_to_add {
+            header_name  = "x-cache-status"
+            header_value = "{cdn_cache_status}"
+          }
+        }
+      }
+      # [START mediacdn_custom_headers_route]
+      route_rule {
+        description = "video routes"
+        priority    = 1
+        match_rule {
+          prefix_match = "/video/"
+        }
+        origin = google_network_services_edge_cache_origin.default.name
+        header_action {
+          response_header_to_add {
+            # Return the country (or region) associated with the client's IP address.
+            header_name  = "client-geo"
+            header_value = "{client_region}"
+            replace      = true
+          }
+          request_header_to_add {
+            # Inform the upstream origin server that the request is from Media CDN.
+            header_name  = "x-downstream-cdn"
+            header_value = "Media CDN"
+          }
+          response_header_to_remove {
+            header_name = "X-User-ID"
+          }
+          response_header_to_remove {
+            header_name = "X-Other-Internal-Header"
+          }
+        }
+      }
+      # [END mediacdn_custom_headers_route]
+    }
+  }
+}
+# [END mediacdn_custom_headers_parent_tag]

media_cdn/custom_headers/test.yaml

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+# Copyright 2025 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.
+
+apiVersion: blueprints.cloud.google.com/v1alpha1
+kind: BlueprintTest
+metadata:
+  name: media_cdn_custom_headers
+spec:
+  skip: true