Support tier field for LKE-E (#651)

* Support tier field for LKE-E

* Reran fixture for failing test

lke_clusters.go

@@ -28,6 +28,9 @@ type LKECluster struct {
 	K8sVersion   string                 `json:"k8s_version"`
 	Tags         []string               `json:"tags"`
 	ControlPlane LKEClusterControlPlane `json:"control_plane"`
+
+	// NOTE: Tier may not currently be available to all users and can only be used with v4beta.
+	Tier string `json:"tier"`
 }
 
 // LKEClusterCreateOptions fields are those accepted by CreateLKECluster
@@ -38,6 +41,9 @@ type LKEClusterCreateOptions struct {
 	K8sVersion   string                         `json:"k8s_version"`
 	Tags         []string                       `json:"tags,omitempty"`
 	ControlPlane *LKEClusterControlPlaneOptions `json:"control_plane,omitempty"`
+
+	// NOTE: Tier may not currently be available to all users and can only be used with v4beta.
+	Tier string `json:"tier,omitempty"`
 }
 
 // LKEClusterUpdateOptions fields are those accepted by UpdateLKECluster

regions.go

@@ -37,6 +37,7 @@ const (
 	CapabilityPlacementGroup         string = "Placement Group"
 	CapabilityDiskEncryption         string = "Disk Encryption"
 	CapabilityBlockStorageEncryption string = "Block Storage Encryption"
+	CapabilityKubernetesEnterprise   string = "Kubernetes Enterprise"
 )
 
 // Region-related endpoints have a custom expiry time as the

test/integration/lke_clusters_test.go

@@ -63,6 +63,25 @@ func TestLKECluster_GetFound_smoke(t *testing.T) {
 	}
 }
 
+func TestLKECluster_Enterprise_smoke(t *testing.T) {
+	client, lkeCluster, teardown, err := setupLKECluster(t, []clusterModifier{func(createOpts *linodego.LKEClusterCreateOptions) {
+		createOpts.Tier = "enterprise"
+		createOpts.Region = "us-lax"
+		createOpts.K8sVersion = "v1.31.1+lke1"
+	}}, "fixtures/TestLKECluster_Enterprise_smoke")
+	defer teardown()
+	i, err := client.GetLKECluster(context.Background(), lkeCluster.ID)
+	if err != nil {
+		t.Errorf("Error getting lkeCluster, expected struct, got %v and error %v", i, err)
+	}
+	if i.ID != lkeCluster.ID {
+		t.Errorf("Expected a specific lkeCluster, but got a different one %v", i)
+	}
+	if i.Tier != "enterprise" {
+		t.Errorf("Expected a lkeCluster to have enterprise tier")
+	}
+}
+
 func TestLKECluster_Update(t *testing.T) {
 	client, cluster, teardown, err := setupLKECluster(t, []clusterModifier{func(createOpts *linodego.LKEClusterCreateOptions) {
 		createOpts.Label = "go-lke-test-update"

test/integration/regions_test.go

@@ -59,3 +59,17 @@ func TestRegions_blockStorageEncryption(t *testing.T) {
 	})
 	require.NotZero(t, regionIdx)
 }
+
+func TestRegions_kubernetesEnterprise(t *testing.T) {
+	client, teardown := createTestClient(t, "fixtures/TestRegions_kubernetesEnterprise")
+	defer teardown()
+
+	regions, err := client.ListRegions(context.Background(), nil)
+	require.NoError(t, err)
+
+	// Filtering is not currently supported on capabilities
+	regionIdx := slices.IndexFunc(regions, func(region linodego.Region) bool {
+		return slices.Contains(region.Capabilities, "Kubernetes Enterprise")
+	})
+	require.NotZero(t, regionIdx)
+}