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update.go
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update.go
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package secret
import (
"context"
"github.com/giantswarm/microerror"
"github.com/giantswarm/operatorkit/v5/pkg/resource/crud"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/giantswarm/app-operator/v5/service/controller/app/controllercontext"
)
func (r *Resource) ApplyUpdateChange(ctx context.Context, obj, updateChange interface{}) error {
secret, err := toSecret(updateChange)
if err != nil {
return microerror.Mask(err)
}
if !isEmpty(secret) {
r.logger.Debugf(ctx, "updating secret %#q in namespace %#q", secret.Name, secret.Namespace)
cc, err := controllercontext.FromContext(ctx)
if err != nil {
return microerror.Mask(err)
}
_, err = cc.Clients.K8s.K8sClient().CoreV1().Secrets(secret.Namespace).Update(ctx, secret, metav1.UpdateOptions{})
if err != nil {
return microerror.Mask(err)
}
r.logger.Debugf(ctx, "updated secret %#q in namespace %#q", secret.Name, secret.Namespace)
}
return nil
}
func (r *Resource) NewUpdatePatch(ctx context.Context, obj, currentSecret, desiredSecret interface{}) (*crud.Patch, error) {
create, err := r.newCreateChange(ctx, currentSecret, desiredSecret)
if err != nil {
return nil, microerror.Mask(err)
}
update, err := r.newUpdateChange(ctx, currentSecret, desiredSecret)
if err != nil {
return nil, microerror.Mask(err)
}
delete, err := r.newDeleteChangeForUpdate(ctx, currentSecret, desiredSecret)
if err != nil {
return nil, microerror.Mask(err)
}
patch := crud.NewPatch()
patch.SetCreateChange(create)
patch.SetUpdateChange(update)
patch.SetDeleteChange(delete)
return patch, nil
}
func (r *Resource) newUpdateChange(ctx context.Context, currentResource, desiredResource interface{}) (interface{}, error) {
currentSecret, err := toSecret(currentResource)
if err != nil {
return nil, microerror.Mask(err)
}
desiredSecret, err := toSecret(desiredResource)
if err != nil {
return nil, microerror.Mask(err)
}
r.logger.Debugf(ctx, "finding out if the secret has to be updated")
updateSecret := &corev1.Secret{}
isModified := !isEmpty(currentSecret) && !equals(currentSecret, desiredSecret)
if isModified {
r.logger.Debugf(ctx, "the secret has to be updated")
updateSecret = desiredSecret.DeepCopy()
updateSecret.ObjectMeta.ResourceVersion = currentSecret.ObjectMeta.ResourceVersion
return updateSecret, nil
} else {
r.logger.Debugf(ctx, "the secret does not have to be updated")
}
return updateSecret, nil
}