Files
capsule/pkg/controller/secret/reconciler.go
Dario Tranchitella 812b16fcff Initial commit
2020-07-24 10:57:51 +02:00

89 lines
2.5 KiB
Go

/*
Copyright 2020 Clastix Labs.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package secret
import (
"context"
"fmt"
"k8s.io/apimachinery/pkg/types"
"github.com/clastix/capsule/pkg/cert"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
type secretReconciliationFunc func(reconciler *ReconcileSecret, request reconcile.Request) (reconcile.Result, error)
// ReconcileSecret reconciles a Secret object
type ReconcileSecret struct {
client client.Client
scheme *runtime.Scheme
logger logr.Logger
reconcileFunc secretReconciliationFunc
}
func newReconciler(mgr manager.Manager, name string, f secretReconciliationFunc) reconcile.Reconciler {
return &ReconcileSecret{
client: mgr.GetClient(),
scheme: mgr.GetScheme(),
logger: log.Log.WithName(name),
reconcileFunc: f,
}
}
func (r *ReconcileSecret) Reconcile(request reconcile.Request) (reconcile.Result, error) {
return r.reconcileFunc(r, request)
}
func (r *ReconcileSecret) GetCertificateAuthority() (ca cert.Ca, err error) {
instance := &corev1.Secret{}
err = r.client.Get(context.TODO(), types.NamespacedName{
Namespace: "capsule-system",
Name: CaSecretName,
}, instance)
if err != nil {
return nil, fmt.Errorf("missing secret %s, cannot reconcile", CaSecretName)
}
if instance.Data == nil {
ca, err = cert.GenerateCertificateAuthority()
if err != nil {
return
}
instance.Data = map[string][]byte{}
crt, _ := ca.CaCertificatePem()
instance.Data[Cert] = crt.Bytes()
key, _ := ca.CaPrivateKeyPem()
instance.Data[PrivateKey] = key.Bytes()
}
ca, err = cert.NewCertificateAuthorityFromBytes(instance.Data[Cert], instance.Data[PrivateKey])
if err != nil {
return
}
return
}
func filterByName(objName, desired string) bool {
return objName == desired
}