mirror of
https://github.com/kubevirt/containerized-data-importer.git
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75f4fd6f2f
* update k8s deps to 1.18.6 and controller runtime to 0.6.2 Signed-off-by: Michael Henriksen <mhenriks@redhat.com> * remove building code generators from docker image. This way the k8s ligray version only has to be updated in go.mod Do more stuff in the bazel container. Faster and better interop Fix unit tests Signed-off-by: Michael Henriksen <mhenriks@redhat.com> * make format Signed-off-by: Michael Henriksen <mhenriks@redhat.com> * remove unnecessary rsync Signed-off-by: Michael Henriksen <mhenriks@redhat.com> * redo code generator dep management Signed-off-by: Michael Henriksen <mhenriks@redhat.com> * builder uses go modules Signed-off-by: Michael Henriksen <mhenriks@redhat.com>
95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
/*
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Copyright 2018 The CDI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package operator
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import (
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"context"
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"fmt"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/kubernetes"
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"k8s.io/klog"
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"kubevirt.io/containerized-data-importer/pkg/util"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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const (
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// ConfigMapName is the name of the CDI Operator config map
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// used to determine which CDI instance is "active"
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// and maybe other stuff some day in the future
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ConfigMapName = "cdi-config"
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)
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//SetOwnerRuntime makes the current "active" CDI CR the owner of the object using runtime lib client
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func SetOwnerRuntime(client client.Client, object metav1.Object) error {
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namespace := util.GetNamespace()
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configMap := &corev1.ConfigMap{}
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if err := client.Get(context.TODO(), types.NamespacedName{Name: ConfigMapName, Namespace: namespace}, configMap); err != nil {
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klog.Warningf("ConfigMap %s does not exist, so not assigning owner", ConfigMapName)
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return nil
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}
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return SetConfigAsOwner(configMap, object)
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}
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// SetOwner makes the current "active" CDI CR the owner of the object
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func SetOwner(client kubernetes.Interface, object metav1.Object) error {
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namespace := util.GetNamespace()
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configMap, err := client.CoreV1().ConfigMaps(namespace).Get(context.TODO(), ConfigMapName, metav1.GetOptions{})
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if err != nil {
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klog.Warningf("ConfigMap %s does not exist, so not assigning owner", ConfigMapName)
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return nil
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}
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return SetConfigAsOwner(configMap, object)
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}
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// SetConfigAsOwner sets the passed in config map as owner of the object
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func SetConfigAsOwner(configMap *corev1.ConfigMap, object metav1.Object) error {
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configMapOwner := getController(configMap.GetOwnerReferences())
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if configMapOwner == nil {
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return fmt.Errorf("configmap has no owner")
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}
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for _, o := range object.GetOwnerReferences() {
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if o.Controller != nil && *o.Controller {
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if o.UID == configMapOwner.UID {
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// already set to current obj
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return nil
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}
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return fmt.Errorf("object %+v already owned by %+v", object, o)
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}
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}
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object.SetOwnerReferences(append(object.GetOwnerReferences(), *configMapOwner))
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return nil
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}
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func getController(owners []metav1.OwnerReference) *metav1.OwnerReference {
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for _, owner := range owners {
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if owner.Controller != nil && *owner.Controller {
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return &owner
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}
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}
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return nil
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}
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