forked from openshift/cloud-credential-operator
/
reconciler.go
155 lines (127 loc) · 4.76 KB
/
reconciler.go
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package azure
import (
"context"
"fmt"
"time"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/manager"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
"sigs.k8s.io/controller-runtime/pkg/source"
operatorv1 "github.com/openshift/api/operator/v1"
"github.com/openshift/cloud-credential-operator/pkg/operator/constants"
"github.com/openshift/cloud-credential-operator/pkg/operator/metrics"
"github.com/openshift/cloud-credential-operator/pkg/operator/secretannotator/status"
secretutils "github.com/openshift/cloud-credential-operator/pkg/operator/secretannotator/utils"
statuscontroller "github.com/openshift/cloud-credential-operator/pkg/operator/status"
"github.com/openshift/cloud-credential-operator/pkg/operator/utils"
log "github.com/sirupsen/logrus"
)
var _ reconcile.Reconciler = &ReconcileCloudCredSecret{}
type ReconcileCloudCredSecret struct {
client.Client
Logger log.FieldLogger
}
func NewReconciler(mgr manager.Manager) reconcile.Reconciler {
c := mgr.GetClient()
r := &ReconcileCloudCredSecret{
Client: c,
Logger: log.WithField("controller", constants.SecretAnnotatorControllerName),
}
s := status.NewSecretStatusHandler(c)
statuscontroller.AddHandler(constants.SecretAnnotatorControllerName, s)
return r
}
func Add(mgr manager.Manager, r reconcile.Reconciler) error {
// Create a new controller
c, err := controller.New(constants.SecretAnnotatorControllerName, mgr, controller.Options{Reconciler: r})
if err != nil {
return err
}
// Watch for changes to cluster cloud secret
p := predicate.Funcs{
UpdateFunc: func(e event.UpdateEvent) bool {
return cloudCredSecretObjectCheck(e.ObjectNew)
},
CreateFunc: func(e event.CreateEvent) bool {
return cloudCredSecretObjectCheck(e.Object)
},
DeleteFunc: func(e event.DeleteEvent) bool {
return cloudCredSecretObjectCheck(e.Object)
},
}
err = c.Watch(&source.Kind{Type: &corev1.Secret{}}, &handler.EnqueueRequestForObject{}, p)
if err != nil {
return err
}
secretutils.WatchCCOConfig(c, types.NamespacedName{
Namespace: constants.CloudCredSecretNamespace,
Name: constants.AzureCloudCredSecretName,
})
return nil
}
func cloudCredSecretObjectCheck(secret metav1.Object) bool {
return secret.GetNamespace() == constants.CloudCredSecretNamespace && secret.GetName() == constants.AzureCloudCredSecretName
}
func (r *ReconcileCloudCredSecret) Reconcile(ctx context.Context, request reconcile.Request) (returnResult reconcile.Result, returnErr error) {
start := time.Now()
defer func() {
dur := time.Since(start)
metrics.MetricControllerReconcileTime.WithLabelValues(constants.SecretAnnotatorControllerName).Observe(dur.Seconds())
}()
mode, conflict, err := utils.GetOperatorConfiguration(r.Client, r.Logger)
if err != nil {
r.Logger.WithError(err).Error("error checking operator configuration")
return reconcile.Result{}, err
}
if !utils.IsValidMode(mode) {
r.Logger.Errorf("invalid mode of %s set", mode)
return reconcile.Result{}, fmt.Errorf("invalide mode of %s set", mode)
}
if conflict {
r.Logger.Errorf("configuratoin conflict between legacy configmap and operator config")
return reconcile.Result{}, fmt.Errorf("configuratoin conflict")
}
if mode == operatorv1.CloudCredentialsModeManual {
r.Logger.Info("operator in disabled / manual mode")
return reconcile.Result{}, err
}
// From here down we must be in Passthrough mode
secret := &corev1.Secret{}
err = r.Get(context.Background(), request.NamespacedName, secret)
if err != nil {
r.Logger.Debugf("secret not found: %v", err)
return reconcile.Result{}, err
}
var effectiveMode operatorv1.CloudCredentialsMode
if mode == operatorv1.CloudCredentialsModeDefault {
effectiveMode = operatorv1.CloudCredentialsModePassthrough
} else {
effectiveMode = mode
}
annotation, err := utils.ModeToAnnotation(effectiveMode)
if err != nil {
r.Logger.WithError(err).Error("failed to convert operator mode to annotation")
return reconcile.Result{}, err
}
err = r.updateSecretAnnotations(secret, annotation)
if err != nil {
r.Logger.WithError(err).Error("errored while annotating secret")
}
return reconcile.Result{}, nil
}
func (r *ReconcileCloudCredSecret) updateSecretAnnotations(secret *corev1.Secret, value string) error {
secretAnnotations := secret.GetAnnotations()
if secretAnnotations == nil {
secretAnnotations = map[string]string{}
}
secretAnnotations[constants.AnnotationKey] = value
secret.SetAnnotations(secretAnnotations)
return r.Update(context.Background(), secret)
}