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tls.go
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tls.go
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package pxc
import (
"context"
"fmt"
cm "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1alpha1"
api "github.com/percona/percona-xtradb-cluster-operator/pkg/apis/pxc/v1"
"github.com/percona/percona-xtradb-cluster-operator/pkg/pxctls"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
)
func (r *ReconcilePerconaXtraDBCluster) reconsileSSL(cr *api.PerconaXtraDBCluster) error {
if cr.Spec.AllowUnsafeConfig {
return nil
}
secretObj := corev1.Secret{}
err := r.client.Get(context.TODO(),
types.NamespacedName{
Namespace: cr.Namespace,
Name: cr.Spec.PXC.SSLSecretName,
},
&secretObj,
)
if err == nil {
return nil
} else if !errors.IsNotFound(err) {
return fmt.Errorf("get secret: %v", err)
}
err = r.createSSLByCertManager(cr)
if err != nil {
log.Info("using cert-manger: " + err.Error())
err = r.createSSLManualy(cr)
if err != nil {
return fmt.Errorf("create ssl internally: %v", err)
}
}
return nil
}
func (r *ReconcilePerconaXtraDBCluster) createSSLByCertManager(cr *api.PerconaXtraDBCluster) error {
issuerKind := "Issuer"
issuerName := cr.Name + "-pxc-ca"
owner, err := OwnerRef(cr, r.scheme)
if err != nil {
return err
}
ownerReferences := []metav1.OwnerReference{owner}
err = r.client.Create(context.TODO(), &cm.Issuer{
ObjectMeta: metav1.ObjectMeta{
Name: issuerName,
Namespace: cr.Namespace,
OwnerReferences: ownerReferences,
},
Spec: cm.IssuerSpec{
IssuerConfig: cm.IssuerConfig{
SelfSigned: &cm.SelfSignedIssuer{},
},
},
})
if err != nil && !errors.IsAlreadyExists(err) {
return fmt.Errorf("create issuer: %v", err)
}
err = r.client.Create(context.TODO(), &cm.Certificate{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Name + "-ssl",
Namespace: cr.Namespace,
OwnerReferences: ownerReferences,
},
Spec: cm.CertificateSpec{
SecretName: cr.Spec.PXC.SSLSecretName,
CommonName: cr.Name + "-proxysql",
DNSNames: []string{
cr.Name + "-pxc",
"*." + cr.Name + "-pxc",
"*." + cr.Name + "-proxysql",
},
IsCA: true,
IssuerRef: cm.ObjectReference{
Name: issuerName,
Kind: issuerKind,
},
},
})
if err != nil && !errors.IsAlreadyExists(err) {
return fmt.Errorf("create certificate: %v", err)
}
if cr.Spec.PXC.SSLSecretName == cr.Spec.PXC.SSLInternalSecretName {
return nil
}
err = r.client.Create(context.TODO(), &cm.Certificate{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Name + "-ssl-internal",
Namespace: cr.Namespace,
OwnerReferences: ownerReferences,
},
Spec: cm.CertificateSpec{
SecretName: cr.Spec.PXC.SSLInternalSecretName,
CommonName: cr.Name + "-pxc",
DNSNames: []string{
"*." + cr.Name + "-pxc",
},
IsCA: true,
IssuerRef: cm.ObjectReference{
Name: issuerName,
Kind: issuerKind,
},
},
})
if err != nil && !errors.IsAlreadyExists(err) {
return fmt.Errorf("create internal certificate: %v", err)
}
return nil
}
func (r *ReconcilePerconaXtraDBCluster) createSSLManualy(cr *api.PerconaXtraDBCluster) error {
data := make(map[string][]byte)
proxyHosts := []string{
cr.Name + "-pxc",
cr.Name + "-proxysql",
"*." + cr.Name + "-pxc",
"*." + cr.Name + "-proxysql",
}
caCert, tlsCert, key, err := pxctls.Issue(proxyHosts)
if err != nil {
return fmt.Errorf("create proxy certificate: %v", err)
}
data["ca.crt"] = caCert
data["tls.crt"] = tlsCert
data["tls.key"] = key
owner, err := OwnerRef(cr, r.scheme)
if err != nil {
return err
}
ownerReferences := []metav1.OwnerReference{owner}
secretObj := corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Spec.PXC.SSLSecretName,
Namespace: cr.Namespace,
OwnerReferences: ownerReferences,
},
Data: data,
Type: corev1.SecretTypeTLS,
}
err = r.client.Create(context.TODO(), &secretObj)
if err != nil {
return fmt.Errorf("create TLS secret: %v", err)
}
pxcHosts := []string{
"*." + cr.Name + "-pxc",
cr.Name + "-pxc",
}
caCert, tlsCert, key, err = pxctls.Issue(pxcHosts)
if err != nil {
return fmt.Errorf("create pxc certificate: %v", err)
}
data["ca.crt"] = caCert
data["tls.crt"] = tlsCert
data["tls.key"] = key
secretObjInternal := corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Spec.PXC.SSLInternalSecretName,
Namespace: cr.Namespace,
OwnerReferences: ownerReferences,
},
Data: data,
Type: corev1.SecretTypeTLS,
}
err = r.client.Create(context.TODO(), &secretObjInternal)
if err != nil {
return fmt.Errorf("create TLS internal secret: %v", err)
}
return nil
}