Types for k3s Rancher integration

This updates the cluster object with support for k3s clusters.
The K3sConfig type also includes an embedded struct to handle upgrading.

apis/management.cattle.io/v3/cluster_types.go

@@ -68,9 +68,7 @@ const (
 	ClusterDriverImported = "imported"
 	ClusterDriverLocal    = "local"
 	ClusterDriverRKE      = "rancherKubernetesEngine"
-	ClusterDriverGKE      = "googleKubernetesEngine"
-	ClusterDriverEKS      = "amazonElasticContainerService"
-	ClusterDriverAKS      = "azureKubernetesService"
+	ClusterDriverK3s      = "k3s"
 )
 
 // +genclient
@@ -111,6 +109,7 @@ type ClusterSpec struct {
 	DisplayName                         string              `json:"displayName" norman:"required"`
 	Description                         string              `json:"description"`
 	Internal                            bool                `json:"internal" norman:"nocreate,noupdate"`
+	K3sConfig                           *K3sConfig          `json:"k3sConfig,omitempty"`
 	ImportedConfig                      *ImportedConfig     `json:"importedConfig,omitempty" norman:"nocreate,noupdate"`
 	GoogleKubernetesEngineConfig        *MapStringInterface `json:"googleKubernetesEngineConfig,omitempty"`
 	AzureKubernetesServiceConfig        *MapStringInterface `json:"azureKubernetesServiceConfig,omitempty"`

apis/management.cattle.io/v3/k3s_types.go

@@ -0,0 +1,18 @@
+package v3
+
+import "k8s.io/apimachinery/pkg/version"
+
+//K3sConfig provides desired configuration for k3s clusters
+type K3sConfig struct {
+	// k3s Kubernetes version
+	Version *version.Info `yaml:"kubernetes_version" json:"kubernetesVersion,omitempty"`
+	K3sUpgradeStrategy
+}
+
+//K3sUpgradeStrategy provides configuration to the downstream system-upgrade-controller
+type K3sUpgradeStrategy struct {
+	// How many controlplane nodes should be upgrade at time, defaults to 1
+	ServerConcurrency int `yaml:"server_concurrency" json:"serverConcurrency,omitempty"`
+	// How many workers should be upgraded at a time
+	WorkerConcurrency int `yaml:"worker_concurrency" json:"workerConcurrency,omitempty"`
+}