Add support for brokerCapacityConfig for managedkafka (#15638)

Author: andreigurau

mmv1/products/managedkafka/Cluster.yaml

@@ -149,6 +149,14 @@ properties:
         description: "The memory to provision for the cluster in bytes. The value must be
           between 1 GiB and 8 GiB per vCPU. Ex. 1024Mi, 4Gi."
         required: true
+  - name: 'brokerCapacityConfig'
+    type: NestedObject
+    description: "Capacity configuration at a per-broker level within the Kafka cluster. The config will be appled to each broker in the cluster."
+    ignore_read: true
+    properties:
+      - name: 'diskSizeGb'
+        type: String
+        description: "The disk to provision for each broker in Gigabytes. Minimum: 100 GB."
   - name: 'rebalanceConfig'
     type: NestedObject
     description: "Defines rebalancing behavior of a Kafka cluster."

mmv1/third_party/terraform/services/managedkafka/resource_managed_kafka_cluster_test.go

@@ -35,7 +35,7 @@ func TestAccManagedKafkaCluster_update(t *testing.T) {
 				ResourceName:            "google_managed_kafka_cluster.example",
 				ImportState:             true,
 				ImportStateVerify:       true,
-				ImportStateVerifyIgnore: []string{"cluster_id", "labels", "location", "terraform_labels"},
+				ImportStateVerifyIgnore: []string{"broker_capacity_config", "cluster_id", "labels", "location", "terraform_labels"},
 			},
 			{
 				Config: testAccManagedKafkaCluster_updateTlsConfigToEmpty(context),
@@ -88,6 +88,9 @@ resource "google_managed_kafka_cluster" "example" {
     vcpu_count = 4
     memory_bytes = 4512135122
   }
+  broker_capacity_config {
+    disk_size_gb = 1500
+  }
   gcp_config {
     access_config {
       network_configs {