Add NVIDIA device plugin config in DOKS cluster response (digitalocean#1097)

* Add nvidia device plugin config

* Adding missing keys to responses

Author: llDrLove

specification/resources/kubernetes/models/cluster.yml

@@ -171,6 +171,9 @@ properties:
   amd_gpu_device_metrics_exporter_plugin:
     $ref: "amd_gpu_device_metrics_exporter_plugin.yml"
 
+  nvidia_gpu_device_plugin:
+    $ref: "nvidia_gpu_device_plugin.yml"
+
 required:
   - name
   - region

specification/resources/kubernetes/models/cluster_read.yml

@@ -171,6 +171,9 @@ properties:
   amd_gpu_device_metrics_exporter_plugin:
     $ref: "amd_gpu_device_metrics_exporter_plugin.yml"
 
+  nvidia_gpu_device_plugin:
+    $ref: "nvidia_gpu_device_plugin.yml"
+
 required:
   - name
   - region

specification/resources/kubernetes/models/cluster_update.yml

@@ -60,5 +60,8 @@ properties:
   amd_gpu_device_metrics_exporter_plugin:
     $ref: "amd_gpu_device_metrics_exporter_plugin.yml"
 
+  nvidia_gpu_device_plugin:
+    $ref: "nvidia_gpu_device_plugin.yml"
+
 required:
   - name

specification/resources/kubernetes/models/nvidia_gpu_device_plugin.yml

@@ -0,0 +1,8 @@
+type: object
+nullable: true
+description: An object specifying whether the Nvidia GPU Device Plugin should be enabled in the Kubernetes cluster. It's enabled by default for clusters with an Nvidia GPU node pool.
+properties:
+  enabled:
+    type: boolean
+    description: Indicates whether the Nvidia GPU Device Plugin is enabled.
+    example: true

specification/resources/kubernetes/responses/examples.yml

@@ -109,6 +109,14 @@ kubernetes_clusters_all:
         expanders:
         - priority
         - random
+      routing_agent:
+        enabled: false
+      amd_gpu_device_plugin:
+        enabled: false
+      amd_gpu_device_metrics_exporter_plugin:
+        enabled: false
+      nvidia_gpu_device_plugin:
+        enabled: false
     meta:
       total: 1
 
@@ -222,6 +230,14 @@ kubernetes_single:
         expanders:
         - priority
         - random
+      routing_agent:
+        enabled: false
+      amd_gpu_device_plugin:
+        enabled: false
+      amd_gpu_device_metrics_exporter_plugin:
+        enabled: false
+      nvidia_gpu_device_plugin:
+        enabled: false
 
 kubernetes_updated:
   value:
@@ -333,6 +349,14 @@ kubernetes_updated:
         expanders:
         - priority
         - random
+      routing_agent:
+        enabled: false
+      amd_gpu_device_plugin:
+        enabled: false
+      amd_gpu_device_metrics_exporter_plugin:
+        enabled: false
+      nvidia_gpu_device_plugin:
+        enabled: false
 
 kubernetes_clusters_create_basic_response:
   value:
@@ -409,6 +433,14 @@ kubernetes_clusters_create_basic_response:
         expanders:
         - priority
         - random
+      routing_agent:
+        enabled: false
+      amd_gpu_device_plugin:
+        enabled: false
+      amd_gpu_device_metrics_exporter_plugin:
+        enabled: false
+      nvidia_gpu_device_plugin:
+        enabled: false
 
 kubernetes_clusters_multi_pool_response:
   value: