forked from kubeflow/spark-operator
/
role.go
100 lines (82 loc) · 2.35 KB
/
role.go
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/*
Copyright 2019 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package framework
import (
"context"
"encoding/json"
"io"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/util/yaml"
"k8s.io/client-go/kubernetes"
"os"
)
func CreateRole(kubeClient kubernetes.Interface, ns string, relativePath string) error {
role, err := parseRoleYaml(relativePath)
if err != nil {
return err
}
_, err = kubeClient.RbacV1().Roles(ns).Get(context.TODO(), role.Name, metav1.GetOptions{})
if err == nil {
// Role already exists -> Update
_, err = kubeClient.RbacV1().Roles(ns).Update(context.TODO(), role, metav1.UpdateOptions{})
if err != nil {
return err
}
} else {
// Role doesn't exists -> Create
_, err = kubeClient.RbacV1().Roles(ns).Create(context.TODO(), role, metav1.CreateOptions{})
if err != nil {
return err
}
}
return nil
}
func DeleteRole(kubeClient kubernetes.Interface, ns string, relativePath string) error {
role, err := parseRoleYaml(relativePath)
if err != nil {
return err
}
if err := kubeClient.RbacV1().Roles(ns).Delete(context.TODO(), role.Name, metav1.DeleteOptions{}); err != nil {
return err
}
return nil
}
func parseRoleYaml(relativePath string) (*rbacv1.Role, error) {
var manifest *os.File
var err error
var role rbacv1.Role
if manifest, err = PathToOSFile(relativePath); err != nil {
return nil, err
}
decoder := yaml.NewYAMLOrJSONDecoder(manifest, 100)
for {
var out unstructured.Unstructured
err = decoder.Decode(&out)
if err != nil {
// this would indicate it's malformed YAML.
break
}
if out.GetKind() == "Role" {
var marshaled []byte
marshaled, err = out.MarshalJSON()
json.Unmarshal(marshaled, &role)
break
}
}
if err != io.EOF && err != nil {
return nil, err
}
return &role, nil
}