Add autoscaling settings to external clusters (GoogleCloudPlatform#12003

)

mmv1/products/vmwareengine/Cluster.yaml

@@ -149,3 +149,103 @@ properties:
             If zero is provided max value from `nodeType.availableCustomCoreCounts` will be used.
             Once the customer is created then corecount cannot be changed.
           default_value: 0
+  - name: 'autoscalingSettings'
+    type: NestedObject
+    description: |
+      Configuration of the autoscaling applied to this cluster
+    properties:
+      - name: 'autoscalingPolicies'
+        type: Map
+        required: true
+        description: |
+          The map with autoscaling policies applied to the cluster.
+          The key is the identifier of the policy.
+          It must meet the following requirements:
+            * Only contains 1-63 alphanumeric characters and hyphens
+            * Begins with an alphabetical character
+            * Ends with a non-hyphen character
+            * Not formatted as a UUID
+            * Complies with [RFC 1034](https://datatracker.ietf.org/doc/html/rfc1034) (section 3.5)
+
+          Currently the map must contain only one element
+          that describes the autoscaling policy for compute nodes.
+        key_name: 'autoscale_policy_id'
+        key_description: 'The key is the identifier of the policy.'
+        value_type:
+          name: AutoscalingPolicy
+          type: NestedObject
+          properties:
+            - name: 'nodeTypeId'
+              type: String
+              required: true
+              description: |
+                The canonical identifier of the node type to add or remove.
+            - name: 'scaleOutSize'
+              type: Integer
+              required: true
+              description: |
+                Number of nodes to add to a cluster during a scale-out operation.
+                Must be divisible by 2 for stretched clusters.
+            - name: 'cpuThresholds'
+              type: NestedObject
+              description: |
+                Utilization thresholds pertaining to CPU utilization.
+              properties:
+                - name: 'scaleOut'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-out operation in percent.
+                - name: 'scaleIn'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-in operation in percent.
+            - name: 'consumedMemoryThresholds'
+              type: NestedObject
+              description: |
+                Utilization thresholds pertaining to amount of consumed memory.
+              properties:
+                - name: 'scaleOut'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-out operation in percent.
+                - name: 'scaleIn'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-in operation in percent.
+            - name: 'storageThresholds'
+              type: NestedObject
+              description: |
+                Utilization thresholds pertaining to amount of consumed storage.
+              properties:
+                - name: 'scaleOut'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-out operation in percent.
+                - name: 'scaleIn'
+                  type: Integer
+                  required: true
+                  description: |
+                    The utilization triggering the scale-in operation in percent.
+      - name: 'minClusterNodeCount'
+        type: Integer
+        description: |
+          Minimum number of nodes of any type in a cluster.
+          Mandatory for successful addition of autoscaling settings in cluster.
+      - name: 'maxClusterNodeCount'
+        type: Integer
+        description: |
+          Maximum number of nodes of any type in a cluster.
+          Mandatory for successful addition of autoscaling settings in cluster.
+      - name: 'coolDownPeriod'
+        type: String
+        description: |
+          The minimum duration between consecutive autoscale operations.
+          It starts once addition or removal of nodes is fully completed.
+          Minimum cool down period is 30m.
+          Cool down period must be in whole minutes (for example, 30m, 31m, 50m).
+          Mandatory for successful addition of autoscaling settings in cluster.

mmv1/templates/terraform/examples/vmware_engine_cluster_full.tf.tmpl

@@ -6,6 +6,28 @@ resource "google_vmwareengine_cluster" "{{$.PrimaryResourceId}}" {
     node_count   = 3
     custom_core_count = 32
   }
+  autoscaling_settings {
+    autoscaling_policies {
+      autoscale_policy_id = "autoscaling-policy"
+      node_type_id = "standard-72"
+      scale_out_size = 1
+      cpu_thresholds {
+        scale_out = 80
+        scale_in  = 15
+      }
+      consumed_memory_thresholds {
+        scale_out = 75
+        scale_in  = 20
+      }
+      storage_thresholds {
+        scale_out = 80
+        scale_in  = 20
+      }
+    }
+    min_cluster_node_count = 3
+    max_cluster_node_count = 8
+    cool_down_period = "1800s"
+  }
 }
 
 resource "google_vmwareengine_private_cloud" "cluster-pc" {
@@ -16,7 +38,6 @@ resource "google_vmwareengine_private_cloud" "cluster-pc" {
     management_cidr       = "192.168.30.0/24"
     vmware_engine_network = google_vmwareengine_network.cluster-nw.id
   }
-
   management_cluster {
     cluster_id = "{{index $.Vars "management_cluster_id"}}"
     node_type_configs {

mmv1/third_party/terraform/services/vmwareengine/resource_vmwareengine_cluster_test.go

@@ -46,7 +46,7 @@ func TestAccVmwareengineCluster_vmwareEngineClusterUpdate(t *testing.T) {
 				ImportStateVerifyIgnore: []string{"parent", "name"},
 			},
 			{
-				Config: testVmwareEngineClusterConfig(context, 4), // expand the cluster
+				Config: testVmwareEngineClusterUpdateConfig(context, 4), // expand the cluster
 			},
 			{
 				ResourceName:            "google_vmwareengine_cluster.vmw-engine-ext-cluster",
@@ -104,6 +104,88 @@ resource "google_vmwareengine_cluster" "vmw-engine-ext-cluster" {
     node_count   = %{node_count}
     custom_core_count = 32
   }
+  autoscaling_settings {
+    autoscaling_policies {
+      autoscale_policy_id = "autoscaling-policy"
+      node_type_id = "standard-72"
+      scale_out_size = 1
+      consumed_memory_thresholds {
+        scale_out = 75
+        scale_in  = 20
+      }
+      storage_thresholds {
+        scale_out = 80
+        scale_in  = 20
+      }
+    }
+    min_cluster_node_count = 3
+    max_cluster_node_count = 8
+    cool_down_period = "1800s"
+  }
+}
+
+data "google_vmwareengine_cluster" "ds" {
+  name = google_vmwareengine_cluster.vmw-engine-ext-cluster.name
+  parent = google_vmwareengine_private_cloud.cluster-pc.id
+}
+`, context)
+}
+
+func testVmwareEngineClusterUpdateConfig(context map[string]interface{}, nodeCount int) string {
+	context["node_count"] = nodeCount
+	return acctest.Nprintf(`
+resource "google_vmwareengine_network" "cluster-nw" {
+  name        = "tf-test-cluster-nw%{random_suffix}"
+  location    = "global"
+  type        = "STANDARD"
+  description = "PC network description."
+}
+
+resource "google_vmwareengine_private_cloud" "cluster-pc" {
+  location    = "%{region}-b"
+  name        = "tf-test-cluster-pc%{random_suffix}"
+  description = "Sample test PC."
+  deletion_delay_hours = 0
+  send_deletion_delay_hours_if_zero = true
+  network_config {
+    management_cidr       = "192.168.10.0/24"
+    vmware_engine_network = google_vmwareengine_network.cluster-nw.id
+  }
+  management_cluster {
+    cluster_id = "tf-test-mgmt-cluster%{random_suffix}"
+    node_type_configs {
+      node_type_id = "standard-72"
+      node_count   = 3
+    }
+  }
+}
+
+resource "google_vmwareengine_cluster" "vmw-engine-ext-cluster" {
+  name = "tf-test-ext-cluster%{random_suffix}"
+  parent =  google_vmwareengine_private_cloud.cluster-pc.id
+  node_type_configs {
+    node_type_id = "standard-72"
+    node_count   = %{node_count}
+    custom_core_count = 32
+  }
+  autoscaling_settings {
+    autoscaling_policies {
+      autoscale_policy_id = "autoscaling-policy"
+      node_type_id = "standard-72"
+      scale_out_size = 2
+      cpu_thresholds {
+        scale_out = 80
+        scale_in  = 15
+      }
+      storage_thresholds {
+        scale_out = 79
+        scale_in = 15
+      }
+    }
+    min_cluster_node_count = 3
+    max_cluster_node_count = 10
+    cool_down_period = "3600s"
+  }
 }
 
 data "google_vmwareengine_cluster" "ds" {