/
apiextensions.go
68 lines (59 loc) · 2.36 KB
/
apiextensions.go
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package kubeclient
import (
"context"
"github.com/pkg/errors"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
extensionSclientset "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kuberuntime "k8s.io/apimachinery/pkg/runtime"
clientsetscheme "k8s.io/client-go/kubernetes/scheme"
"k8s.io/klog/v2"
"reflect"
)
func GetAPIExtensionSclientset(kubeconfigFile string) (extensionSclientset.Interface, error) {
cfg, err := GetKubeConfig(kubeconfigFile)
if err != nil {
klog.Errorf("GetClientSet error: %v", err)
return nil, err
}
client, err := extensionSclientset.NewForConfig(cfg)
if err != nil {
klog.Fatalf("failed to build apiextensions clientset, error:%v", err)
return nil, err
}
return client, nil
}
func CreateOrUpdateCustomResourceDefinition(client extensionSclientset.Interface, yaml string, option interface{}) error {
data, err := ParseString(yaml, option)
if err != nil {
return err
}
obj := new(apiextensionsv1.CustomResourceDefinition)
if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), data, obj); err != nil {
return errors.Wrapf(err, "unable to decode %s", reflect.TypeOf(obj).String())
}
err = createOrUpdateCustomResourceDefinition(client, obj)
if err != nil {
return err
}
return nil
}
// CreateOrUpdateCustomResourceDefinition creates a CustomResourceDefinition if the target resource doesn't exist. If the resource exists already, this function will update the resource instead.
func createOrUpdateCustomResourceDefinition(client extensionSclientset.Interface, crd *apiextensionsv1.CustomResourceDefinition) error {
if _, err := client.ApiextensionsV1().CustomResourceDefinitions().Create(context.TODO(), crd, metav1.CreateOptions{}); err != nil {
if !apierrors.IsAlreadyExists(err) {
return errors.Wrap(err, "unable to create crd")
}
crdOld, err := client.ApiextensionsV1().CustomResourceDefinitions().Get(context.TODO(), crd.Name, metav1.GetOptions{})
if err != nil {
return errors.Wrap(err, "unable to update crd")
}
crd.ResourceVersion = crdOld.ResourceVersion
_, err = client.ApiextensionsV1().CustomResourceDefinitions().Update(context.TODO(), crd, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "unable to update crd")
}
}
return nil
}