/* Copyright 2014 The Kubernetes Authors. 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 serviceaccount import ( "context" "k8s.io/api/core/v1" apierrors "k8s.io/apimachinery/pkg/api/errors" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" clientset "k8s.io/client-go/kubernetes" v1listers "k8s.io/client-go/listers/core/v1" "k8s.io/kubernetes/pkg/serviceaccount" ) // clientGetter implements ServiceAccountTokenGetter using a clientset.Interface type clientGetter struct { client clientset.Interface secretLister v1listers.SecretLister serviceAccountLister v1listers.ServiceAccountLister podLister v1listers.PodLister nodeLister v1listers.NodeLister } // NewGetterFromClient returns a ServiceAccountTokenGetter that // uses the specified client to retrieve service accounts, pods, secrets and nodes. // The client should NOT authenticate using a service account token // the returned getter will be used to retrieve, or recursion will result. func NewGetterFromClient(c clientset.Interface, secretLister v1listers.SecretLister, serviceAccountLister v1listers.ServiceAccountLister, podLister v1listers.PodLister, nodeLister v1listers.NodeLister) serviceaccount.ServiceAccountTokenGetter { return clientGetter{c, secretLister, serviceAccountLister, podLister, nodeLister} } func (c clientGetter) GetServiceAccount(namespace, name string) (*v1.ServiceAccount, error) { if serviceAccount, err := c.serviceAccountLister.ServiceAccounts(namespace).Get(name); err == nil { return serviceAccount, nil } return c.client.CoreV1().ServiceAccounts(namespace).Get(context.TODO(), name, metav1.GetOptions{}) } func (c clientGetter) GetPod(namespace, name string) (*v1.Pod, error) { if pod, err := c.podLister.Pods(namespace).Get(name); err == nil { return pod, nil } return c.client.CoreV1().Pods(namespace).Get(context.TODO(), name, metav1.GetOptions{}) } func (c clientGetter) GetSecret(namespace, name string) (*v1.Secret, error) { if secret, err := c.secretLister.Secrets(namespace).Get(name); err == nil { return secret, nil } return c.client.CoreV1().Secrets(namespace).Get(context.TODO(), name, metav1.GetOptions{}) } func (c clientGetter) GetNode(name string) (*v1.Node, error) { // handle the case where the node lister isn't set due to feature being disabled if c.nodeLister == nil { return nil, apierrors.NewNotFound(v1.Resource("nodes"), name) } if node, err := c.nodeLister.Get(name); err == nil { return node, nil } return c.client.CoreV1().Nodes().Get(context.TODO(), name, metav1.GetOptions{}) }