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kyverno/pkg/tls/reader.go
Charles-Edouard Brétéché 666bcb3c15
chore: make k8s api import aliases consistent (#3950)
* chore: make kyverno api import aliases consistent

Signed-off-by: Charles-Edouard Brétéché <charled.breteche@gmail.com>

* chore: make apimachinery api import aliases consistent

Signed-off-by: Charles-Edouard Brétéché <charled.breteche@gmail.com>
2022-05-17 22:14:31 +08:00

32 lines
903 B
Go

package tls
import (
"context"
"github.com/kyverno/kyverno/pkg/config"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
var ErrorsNotFound = "root CA certificate not found"
// ReadRootCASecret returns the RootCA from the pre-defined secret
func ReadRootCASecret(client kubernetes.Interface) ([]byte, error) {
sname := GenerateRootCASecretName()
stlsca, err := client.CoreV1().Secrets(config.KyvernoNamespace()).Get(context.TODO(), sname, metav1.GetOptions{})
if err != nil {
return nil, err
}
// try "tls.crt"
result := stlsca.Data[corev1.TLSCertKey]
// if not there, try old "rootCA.crt"
if len(result) == 0 {
result = stlsca.Data[RootCAKey]
}
if len(result) == 0 {
return nil, errors.Errorf("%s in secret %s/%s", ErrorsNotFound, config.KyvernoNamespace(), stlsca.Name)
}
return result, nil
}