kubernetes tokengetter 源码
kubernetes tokengetter 代码
文件路径：/pkg/controller/serviceaccount/tokengetter.go
/*
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"
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
}
// NewGetterFromClient returns a ServiceAccountTokenGetter that
// uses the specified client to retrieve service accounts and secrets.
// 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) serviceaccount.ServiceAccountTokenGetter {
return clientGetter{c, secretLister, serviceAccountLister, podLister}
}
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{})
}
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