k3s/pkg/util/cert.go
Brad Davidson 977a85559e Add support for cross-signing new certs during ca rotation
We need to send the full chain in order for cross-signing to work
properly during switchover to a new root.

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2023-03-13 16:56:28 -07:00

18 lines
486 B
Go

package util
import (
"crypto/x509"
certutil "github.com/rancher/dynamiclistener/cert"
)
// EncodeCertsPEM is a wrapper around the EncodeCertPEM function to return the
// PEM encoding of a cert and chain, instead of just a single cert.
func EncodeCertsPEM(cert *x509.Certificate, caCerts []*x509.Certificate) []byte {
pemBytes := certutil.EncodeCertPEM(cert)
for _, caCert := range caCerts {
pemBytes = append(pemBytes, certutil.EncodeCertPEM(caCert)...)
}
return pemBytes
}