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Look up service accounts from informer before trying live lookup

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This commit is contained in:
Jordan Liggitt
2018-12-06 14:00:53 -05:00
parent 0351853ea1
commit a9dc919f82
7 changed files with 105 additions and 9 deletions
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19
pkg/controller/serviceaccount/tokengetter.go
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@@ -20,30 +20,43 @@ import (
"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
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) serviceaccount.ServiceAccountTokenGetter {
return clientGetter{c}
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(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(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(name, metav1.GetOptions{})
}