/
apply.go
93 lines (84 loc) · 2.85 KB
/
apply.go
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package ingress
import (
"fmt"
networkingv1 "k8s.io/api/networking/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
// Apply applies ingress from type string, []byte, *networkingv1.Ingress,
// networkingv1.Ingress, metav1.Object, runtime.Object, *unstructured.Unstructured,
// unstructured.Unstructured or map[string]interface{}.
func (h *Handler) Apply(obj interface{}) (*networkingv1.Ingress, error) {
switch val := obj.(type) {
case string:
return h.ApplyFromFile(val)
case []byte:
return h.ApplyFromBytes(val)
case *networkingv1.Ingress:
return h.ApplyFromObject(val)
case networkingv1.Ingress:
return h.ApplyFromObject(&val)
case *unstructured.Unstructured:
return h.ApplyFromUnstructured(val)
case unstructured.Unstructured:
return h.ApplyFromUnstructured(&val)
case map[string]interface{}:
return h.ApplyFromMap(val)
case metav1.Object, runtime.Object:
return h.ApplyFromObject(val)
default:
return nil, ErrInvalidApplyType
}
}
// ApplyFromFile applies ingress from yaml or json file.
func (h *Handler) ApplyFromFile(filename string) (ing *networkingv1.Ingress, err error) {
ing, err = h.CreateFromFile(filename)
if k8serrors.IsAlreadyExists(err) { // if ingress already exist, update it.
ing, err = h.UpdateFromFile(filename)
}
return
}
// ApplyFromBytes pply ingress from bytes data.
func (h *Handler) ApplyFromBytes(data []byte) (ing *networkingv1.Ingress, err error) {
ing, err = h.CreateFromBytes(data)
if k8serrors.IsAlreadyExists(err) {
ing, err = h.UpdateFromBytes(data)
}
return
}
// ApplyFromObject applies ingress from metav1.Object or runtime.Object.
func (h *Handler) ApplyFromObject(obj interface{}) (*networkingv1.Ingress, error) {
ing, ok := obj.(*networkingv1.Ingress)
if !ok {
return nil, fmt.Errorf("object type is not *networkingv1.Ingress")
}
return h.applyIngress(ing)
}
// ApplyFromUnstructured applies ingress from *unstructured.Unstructured.
func (h *Handler) ApplyFromUnstructured(u *unstructured.Unstructured) (*networkingv1.Ingress, error) {
ing := &networkingv1.Ingress{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u.UnstructuredContent(), ing)
if err != nil {
return nil, err
}
return h.applyIngress(ing)
}
// ApplyFromMap applies ingress from map[string]interface{}.
func (h *Handler) ApplyFromMap(u map[string]interface{}) (*networkingv1.Ingress, error) {
ing := &networkingv1.Ingress{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u, ing)
if err != nil {
return nil, err
}
return h.applyIngress(ing)
}
// applyIngress
func (h *Handler) applyIngress(ing *networkingv1.Ingress) (*networkingv1.Ingress, error) {
_, err := h.createIngress(ing)
if k8serrors.IsAlreadyExists(err) {
return h.updateIngress(ing)
}
return ing, err
}