Add EksAuthMethod in provider options

Signed-off-by: Imtiaz Uddin <imtiaz@appscode.com>

Author: Imtiaz246

apis/cluster/types.go

@@ -26,14 +26,22 @@ type BasicInfo struct {
 	HubClusterID string `json:"hubClusterID,omitempty"`
 }
 
+type EksAuthMethod = string
+
+const (
+	EksAuthMethodIRSA        EksAuthMethod = "IRSA"
+	EksAuthMethodPodIdentity EksAuthMethod = "PodIdentity"
+)
+
 type ProviderOptions struct {
-	Name          string `json:"name"`
-	Credential    string `json:"credential,omitempty"`
-	ClusterID     string `json:"clusterID,omitempty"`
-	Project       string `json:"project,omitempty"`
-	Region        string `json:"region,omitempty"`
-	ResourceGroup string `json:"resourceGroup,omitempty"`
-	KubeConfig    string `json:"kubeConfig,omitempty"`
+	Name          string        `json:"name"`
+	Credential    string        `json:"credential,omitempty"`
+	EksAuthMethod EksAuthMethod `json:"eksAuthMethod,omitempty"`
+	ClusterID     string        `json:"clusterID,omitempty"`
+	Project       string        `json:"project,omitempty"`
+	Region        string        `json:"region,omitempty"`
+	ResourceGroup string        `json:"resourceGroup,omitempty"`
+	KubeConfig    string        `json:"kubeConfig,omitempty"`
 }
 
 type ComponentOptions struct {