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https://github.com/kubevirt/containerized-data-importer.git
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67 lines
1.8 KiB
Go
67 lines
1.8 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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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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"kubevirt.io/containerized-data-importer/pkg/operator/controller"
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"kubevirt.io/containerized-data-importer/pkg/util"
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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(controller.ConfigMapName, metav1.GetOptions{})
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if err != nil {
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return err
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}
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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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