Initial GPU support implementation

pkg/api/v1alpha1/nutanixmachineconfig.go

@@ -10,10 +10,17 @@ import (
 // NutanixIdentifierType is an enumeration of different resource identifier types.
 type NutanixIdentifierType string
 
+// NutanixGPUIdentifierType is an enumeration of different GPU identifier types.
+type NutanixGPUIdentifierType string
+
 func (c NutanixIdentifierType) String() string {
 	return string(c)
 }
 
+func (c NutanixGPUIdentifierType) String() string {
+	return string(c)
+}
+
 const (
 	// NutanixMachineConfigKind is the kind for a NutanixMachineConfig.
 	NutanixMachineConfigKind = "NutanixMachineConfig"
@@ -23,6 +30,11 @@ const (
 	// NutanixIdentifierName is a resource identifier identifying the object by Name.
 	NutanixIdentifierName NutanixIdentifierType = "name"
 
+	// NutanixGPUIdentifierDeviceID is a GPU identifier identifying the object by DeviceID.
+	NutanixGPUIdentifierDeviceID NutanixGPUIdentifierType = "deviceID"
+	// NutanixGPUIdentifierName is a GPU identifier identifying the object by Name.
+	NutanixGPUIdentifierName NutanixGPUIdentifierType = "name"
+
 	defaultNutanixOSFamily         = Ubuntu
 	defaultNutanixSystemDiskSizeGi = "40Gi"
 	defaultNutanixMemorySizeGi     = "4Gi"
@@ -62,6 +74,22 @@ type NutanixCategoryIdentifier struct {
 	Value string `json:"value,omitempty"`
 }
 
+// NutanixGPUIdentifier holds VM GPU device configuration.
+type NutanixGPUIdentifier struct {
+	// deviceID is the device ID of the GPU device.
+	// +optional
+	DeviceID *int64 `json:"deviceID,omitempty"`
+
+	// vendorID is the vendor ID of the GPU device.
+	// +optional
+	Name string `json:"name,omitempty"`
+
+	// type is the type of the GPU device.
+	// +kubebuilder:validation:Required
+	// +kubebuilder:validation:Enum:=deviceID;name
+	Type NutanixGPUIdentifierType `json:"type"`
+}
+
 // NutanixMachineConfigGenerateOpt is a functional option that can be passed to NewNutanixMachineConfigGenerate to
 // customize the generated machine config
 //

pkg/api/v1alpha1/nutanixmachineconfig_types.go

@@ -59,6 +59,10 @@ type NutanixMachineConfigSpec struct {
 	// Categories must be created in Prism Central before they can be used.
 	// +kubebuilder:validation:Optional
 	AdditionalCategories []NutanixCategoryIdentifier `json:"additionalCategories,omitempty"`
+
+	// List of GPU devices that should be added to the VMs.
+	// +kubebuilder:validation:Optional
+	GPUs []NutanixGPUIdentifier `json:"gpus,omitempty"`
 }
 
 // SetDefaults sets defaults to NutanixMachineConfig if user has not provided.

pkg/constants/constants.go

@@ -90,6 +90,8 @@ const (
 	ConfigMapKind          = "ConfigMap"
 	ClusterResourceSetKind = "ClusterResourceSet"
 
+	NutanixMachineConfigKind = "NutanixMachineConfig"
+
 	BottlerocketDefaultUser = "ec2-user"
 	UbuntuDefaultUser       = "capv"
 

pkg/providers/nutanix/client.go

@@ -8,6 +8,7 @@ import (
 
 type Client interface {
 	GetSubnet(ctx context.Context, uuid string) (*v3.SubnetIntentResponse, error)
+	ListAllHost(ctx context.Context) (*v3.HostListResponse, error)
 	ListSubnet(ctx context.Context, getEntitiesRequest *v3.DSMetadata) (*v3.SubnetListIntentResponse, error)
 	GetImage(ctx context.Context, uuid string) (*v3.ImageIntentResponse, error)
 	ListImage(ctx context.Context, getEntitiesRequest *v3.DSMetadata) (*v3.ImageListIntentResponse, error)

pkg/providers/nutanix/config/md-template.yaml

@@ -94,6 +94,18 @@ spec:
           value: "{{ .Value }}"
 {{- end }}
 {{- end }}
+{{- if .GPUs }}
+      gpus:
+{{- range .GPUs }}
+{{- if (eq .Type "deviceID") }}
+        - type: deviceID
+          deviceID: {{ .DeviceID }}
+{{- else if (eq .Type "name") }}
+        - type: name
+          name: "{{ .Name }}"
+{{- end }}
+{{- end }}
+{{- end }}
 ---
 apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
 kind: KubeadmConfigTemplate

pkg/providers/nutanix/provider_test.go

@@ -418,6 +418,7 @@ func TestNutanixProviderSetupAndValidateCreate(t *testing.T) {
 		},
 	}
 	mockClient.EXPECT().ListImage(gomock.Any(), gomock.Any()).Return(images, nil).AnyTimes()
+	mockClient.EXPECT().ListAllHost(gomock.Any()).Return(fakeHostList(), nil).AnyTimes()
 	mockCertValidator := mockCrypto.NewMockTlsValidator(ctrl)
 	mockCertValidator.EXPECT().ValidateCert(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil)
 	mockCertValidator.EXPECT().ValidateCert(gomock.Any(), gomock.Any(), gomock.Any()).Return(errors.New("invalid cert"))

pkg/providers/nutanix/template.go

@@ -415,6 +415,10 @@ func buildTemplateMapMD(clusterSpec *cluster.Spec, workerNodeGroupMachineSpec v1
 		values["additionalCategories"] = workerNodeGroupMachineSpec.AdditionalCategories
 	}
 
+	if len(workerNodeGroupMachineSpec.GPUs) > 0 {
+		values["GPUs"] = workerNodeGroupMachineSpec.GPUs
+	}
+
 	if workerNodeGroupConfiguration.KubeletConfiguration != nil {
 		wnKubeletConfig := workerNodeGroupConfiguration.KubeletConfiguration.Object
 		if _, ok := wnKubeletConfig["tlsCipherSuites"]; !ok {

pkg/providers/nutanix/template_test.go

@@ -726,6 +726,52 @@ func TestTemplateBuilderFailureDomains(t *testing.T) {
 	}
 }
 
+func TestTemplateBuilderGPUs(t *testing.T) {
+	for _, tc := range []struct {
+		Input    string
+		Output   string
+		OutputMD string
+	}{
+		{
+			Input:    "testdata/eksa-cluster-gpus.yaml",
+			Output:   "testdata/expected_results_gpus.yaml",
+			OutputMD: "testdata/expected_results_gpus_md.yaml",
+		},
+	} {
+		clusterSpec := test.NewFullClusterSpec(t, tc.Input)
+
+		machineCfg := clusterSpec.NutanixMachineConfig(clusterSpec.Cluster.Spec.ControlPlaneConfiguration.MachineGroupRef.Name)
+		workerConfs := map[string]anywherev1.NutanixMachineConfigSpec{
+			"eksa-unit-test": machineCfg.Spec,
+		}
+
+		t.Setenv(constants.EksaNutanixUsernameKey, "admin")
+		t.Setenv(constants.EksaNutanixPasswordKey, "password")
+		creds := GetCredsFromEnv()
+
+		bldr := NewNutanixTemplateBuilder(&clusterSpec.NutanixDatacenter.Spec, &machineCfg.Spec, &machineCfg.Spec,
+			workerConfs, creds, time.Now)
+
+		cpSpec, err := bldr.GenerateCAPISpecControlPlane(clusterSpec)
+		assert.NoError(t, err)
+		assert.NotNil(t, cpSpec)
+		test.AssertContentToFile(t, string(cpSpec), tc.Output)
+
+		workloadTemplateNames := map[string]string{
+			"eksa-unit-test": "eksa-unit-test",
+		}
+		kubeadmconfigTemplateNames := map[string]string{
+			"eksa-unit-test": "eksa-unit-test",
+		}
+
+		data, err := bldr.GenerateCAPISpecWorkers(clusterSpec, workloadTemplateNames, kubeadmconfigTemplateNames)
+
+		assert.NoError(t, err)
+
+		test.AssertContentToFile(t, string(data), tc.OutputMD)
+	}
+}
+
 func minimalNutanixConfigSpec(t *testing.T) (*anywherev1.NutanixDatacenterConfig, *anywherev1.NutanixMachineConfig, map[string]anywherev1.NutanixMachineConfigSpec) {
 	dcConf := &anywherev1.NutanixDatacenterConfig{}
 	err := yaml.Unmarshal([]byte(nutanixDatacenterConfigSpec), dcConf)

pkg/providers/nutanix/testdata/eksa-cluster-gpus.yaml

@@ -0,0 +1,75 @@
+apiVersion: anywhere.eks.amazonaws.com/v1alpha1
+kind: Cluster
+metadata:
+  name: eksa-unit-test
+  namespace: default
+spec:
+  kubernetesVersion: "1.19"
+  controlPlaneConfiguration:
+    name: eksa-unit-test
+    count: 3
+    endpoint:
+      host: test-ip
+    machineGroupRef:
+      name: eksa-unit-test
+      kind: NutanixMachineConfig
+  workerNodeGroupConfigurations:
+    - count: 4
+      name: eksa-unit-test
+      machineGroupRef:
+        name: eksa-unit-test
+        kind: NutanixMachineConfig
+  datacenterRef:
+    kind: NutanixDatacenterConfig
+    name: eksa-unit-test
+  clusterNetwork:
+    cni: "cilium"
+    pods:
+      cidrBlocks:
+        - 192.168.0.0/16
+    services:
+      cidrBlocks:
+        - 10.96.0.0/12
+---
+apiVersion: anywhere.eks.amazonaws.com/v1alpha1
+kind: NutanixDatacenterConfig
+metadata:
+  name: eksa-unit-test
+  namespace: default
+spec:
+  endpoint: "prism.nutanix.com"
+  port: 9440
+  credentialRef:
+    kind: Secret
+    name: "nutanix-credentials"
+---
+apiVersion: anywhere.eks.amazonaws.com/v1alpha1
+kind: NutanixMachineConfig
+metadata:
+  name: eksa-unit-test
+  namespace: default
+spec:
+  vcpusPerSocket: 1
+  vcpuSockets: 4
+  memorySize: 8Gi
+  image:
+    type: "name"
+    name: "prism-image"
+  cluster:
+    type: "name"
+    name: "prism-cluster"
+  subnet:
+    type: "name"
+    name: "prism-subnet"
+  gpus:
+  - type:     deviceID
+    deviceID: 8757
+  - type:     name
+    name:     "Ampere 40"
+  systemDiskSize: 40Gi
+  osFamily: "ubuntu"
+  users:
+    - name: "mySshUsername"
+      sshAuthorizedKeys:
+        - "mySshAuthorizedKey"
+---