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[GEP-13] Add ManagedSeed admission plugins (gardener#3416)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package kubernetes | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
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| "github.com/gardener/gardener/pkg/apis/seedmanagement" | ||
| seedmanagementv1alpha1 "github.com/gardener/gardener/pkg/apis/seedmanagement/v1alpha1" | ||
| gardenseedmanagementclientset "github.com/gardener/gardener/pkg/client/seedmanagement/clientset/versioned" | ||
|
|
||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/fields" | ||
| ) | ||
|
|
||
| // GetManagedSeed gets the ManagedSeed resource for the given shoot namespace and name, | ||
| // by searching for all ManagedSeeds in the shoot namespace that have spec.shoot.name set to the shoot name. | ||
| // If no such ManagedSeeds are found, nil is returned. | ||
| func GetManagedSeed(ctx context.Context, seedManagementClient gardenseedmanagementclientset.Interface, shootNamespace, shootName string) (*seedmanagementv1alpha1.ManagedSeed, error) { | ||
| managedSeedList, err := seedManagementClient.SeedmanagementV1alpha1().ManagedSeeds(shootNamespace).List(ctx, metav1.ListOptions{ | ||
| FieldSelector: fields.SelectorFromSet(fields.Set{seedmanagement.ManagedSeedShootName: shootName}).String(), | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if len(managedSeedList.Items) == 0 { | ||
| return nil, nil | ||
| } | ||
| if len(managedSeedList.Items) > 1 { | ||
| return nil, fmt.Errorf("found more than one ManagedSeed objects for shoot %s/%s", shootNamespace, shootName) | ||
| } | ||
| return &managedSeedList.Items[0], nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,98 @@ | ||
| // Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package kubernetes_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
|
|
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| seedmanagementv1alpha1 "github.com/gardener/gardener/pkg/apis/seedmanagement/v1alpha1" | ||
| seedmanagementfake "github.com/gardener/gardener/pkg/client/seedmanagement/clientset/versioned/fake" | ||
| . "github.com/gardener/gardener/pkg/utils/kubernetes" | ||
|
|
||
| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/client-go/testing" | ||
| ) | ||
|
|
||
| const ( | ||
| name = "foo" | ||
| namespace = "garden" | ||
| ) | ||
|
|
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| var _ = Describe("managedseed", func() { | ||
| Describe("#GetManagedSeed", func() { | ||
| var ( | ||
| seedManagementClient *seedmanagementfake.Clientset | ||
| managedSeed *seedmanagementv1alpha1.ManagedSeed | ||
| ) | ||
|
|
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| BeforeEach(func() { | ||
| seedManagementClient = &seedmanagementfake.Clientset{} | ||
|
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| managedSeed = &seedmanagementv1alpha1.ManagedSeed{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: name, | ||
| Namespace: namespace, | ||
| }, | ||
| Spec: seedmanagementv1alpha1.ManagedSeedSpec{ | ||
| Shoot: seedmanagementv1alpha1.Shoot{ | ||
| Name: name, | ||
| }, | ||
| }, | ||
| } | ||
| }) | ||
|
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| It("should return the ManagedSeed for the given shoot namespace and name, if it exists", func() { | ||
| seedManagementClient.AddReactor("list", "managedseeds", func(action testing.Action) (bool, runtime.Object, error) { | ||
| return true, &seedmanagementv1alpha1.ManagedSeedList{Items: []seedmanagementv1alpha1.ManagedSeed{*managedSeed}}, nil | ||
| }) | ||
|
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| result, err := GetManagedSeed(context.TODO(), seedManagementClient, namespace, name) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(result).To(Equal(managedSeed)) | ||
| }) | ||
|
|
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| It("should return nil if a ManagedSeed does not exist", func() { | ||
| seedManagementClient.AddReactor("list", "managedseeds", func(action testing.Action) (bool, runtime.Object, error) { | ||
| return true, &seedmanagementv1alpha1.ManagedSeedList{Items: []seedmanagementv1alpha1.ManagedSeed{}}, nil | ||
| }) | ||
|
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| result, err := GetManagedSeed(context.TODO(), seedManagementClient, namespace, name) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
| Expect(result).To(BeNil()) | ||
| }) | ||
|
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| It("should fail if more than one ManagedSeeds exist", func() { | ||
| seedManagementClient.AddReactor("list", "managedseeds", func(action testing.Action) (bool, runtime.Object, error) { | ||
| return true, &seedmanagementv1alpha1.ManagedSeedList{Items: []seedmanagementv1alpha1.ManagedSeed{*managedSeed, *managedSeed}}, nil | ||
| }) | ||
|
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| _, err := GetManagedSeed(context.TODO(), seedManagementClient, namespace, name) | ||
| Expect(err).To(HaveOccurred()) | ||
| }) | ||
|
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| It("should fail if listing the ManagedSeeds fails", func() { | ||
| seedManagementClient.AddReactor("list", "managedseeds", func(action testing.Action) (bool, runtime.Object, error) { | ||
| return true, nil, errors.New("error") | ||
| }) | ||
|
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| _, err := GetManagedSeed(context.TODO(), seedManagementClient, namespace, name) | ||
| Expect(err).To(HaveOccurred()) | ||
| }) | ||
| }) | ||
| }) |
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