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util.go
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util.go
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package util
import (
"fmt"
"io/ioutil"
"github.com/caden2016/nvidia-gpu-scheduler/cmd/gpuserver/app/options"
"github.com/caden2016/nvidia-gpu-scheduler/pkg/util/info/metadata"
"github.com/openkruise/kruise/pkg/webhook/util/generator"
"github.com/openkruise/kruise/pkg/webhook/util/writer"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
"k8s.io/klog"
)
func InitializeCert(kubeClient kubernetes.Interface) (*generator.Artifacts, error) {
name, namespace, dnsName := metadata.MetadataName(), metadata.MetadataNamespace(), metadata.ServiceName()
klog.Infof("generating cert with dnsName:%s", dnsName)
certWriter, err := writer.NewSecretCertWriter(writer.SecretCertWriterOptions{
Clientset: kubeClient,
Secret: &types.NamespacedName{Namespace: namespace, Name: name},
})
if err != nil {
return nil, fmt.Errorf("NewSecretCertWriter: %v", err)
}
certs, changed, err := certWriter.EnsureCert(dnsName)
if err != nil {
return nil, fmt.Errorf("EnsureCert: %v", err)
}
if err := writer.WriteCertsToDir(options.CERTDIR, certs); err != nil {
return nil, fmt.Errorf("EnsureCert failed to write certs to dir")
}
klog.Infof("EnsureCert write certs to dir success cert file changed: %t", changed)
return certs, nil
}
func InitializeCertWithFile(tlsconfig *options.TLSCONFIG) (*generator.Artifacts, error) {
caCertBytes, err := ioutil.ReadFile(tlsconfig.CACert)
if err != nil {
return nil, err
}
certBytes, err := ioutil.ReadFile(tlsconfig.Cert)
if err != nil {
return nil, err
}
keyBytes, err := ioutil.ReadFile(tlsconfig.Key)
if err != nil {
return nil, err
}
return &generator.Artifacts{
CACert: caCertBytes,
Cert: certBytes,
Key: keyBytes,
}, nil
}