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87 lines
2.5 KiB
87 lines
2.5 KiB
/*
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Copyright The Helm 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 action
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import (
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"fmt"
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"github.com/pkg/errors"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/meta"
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"k8s.io/cli-runtime/pkg/resource"
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"helm.sh/helm/v3/pkg/kube"
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)
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var accessor = meta.NewAccessor()
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const (
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helmReleaseNameAnnotation = "meta.helm.sh/release-name"
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helmReleaseNamespaceAnnotation = "meta.helm.sh/release-namespace"
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)
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func existingResourceConflict(resources kube.ResourceList, releaseName, releaseNamespace string) (kube.ResourceList, error) {
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requireUpdate := kube.ResourceList{}
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err := resources.Visit(func(info *resource.Info, err error) error {
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if err != nil {
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return err
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}
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helper := resource.NewHelper(info.Client, info.Mapping)
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existing, err := helper.Get(info.Namespace, info.Name, info.Export)
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if err != nil {
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if apierrors.IsNotFound(err) {
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return nil
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}
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return errors.Wrap(err, "could not get information about the resource")
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}
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// Allow adoption of the resource if it already has app.kubernetes.io/instance and app.kubernetes.io/managed-by labels.
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anno, err := accessor.Annotations(existing)
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if err == nil && anno != nil && anno[helmReleaseNameAnnotation] == releaseName && anno[helmReleaseNamespaceAnnotation] == releaseNamespace {
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requireUpdate = append(requireUpdate, info)
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return nil
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}
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return fmt.Errorf(
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"existing resource conflict: namespace: %s, name: %s, existing_kind: %s, new_kind: %s",
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info.Namespace, info.Name, existing.GetObjectKind().GroupVersionKind(), info.Mapping.GroupVersionKind)
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})
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return requireUpdate, err
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}
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func setMetadataVisitor(releaseName, releaseNamespace string) resource.VisitorFunc {
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return func(info *resource.Info, err error) error {
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if err != nil {
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return err
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}
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anno, err := accessor.Annotations(info.Object)
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if err != nil {
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return err
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}
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if anno == nil {
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anno = make(map[string]string)
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}
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anno[helmReleaseNameAnnotation] = releaseName
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anno[helmReleaseNamespaceAnnotation] = releaseNamespace
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return accessor.SetAnnotations(info.Object, anno)
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}
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}
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