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5cca60f0b8
This adds a new resource.k8s.io API group with v1alpha1 as version. It contains four new types: resource.ResourceClaim, resource.ResourceClass, resource.ResourceClaimTemplate, and resource.PodScheduling.
314 lines
11 KiB
Go
314 lines
11 KiB
Go
/*
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Copyright 2022 The Kubernetes 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 validation
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/kubernetes/pkg/apis/resource"
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"k8s.io/utils/pointer"
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)
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func testClaimTemplate(name, namespace string, spec resource.ResourceClaimSpec) *resource.ResourceClaimTemplate {
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return &resource.ResourceClaimTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: resource.ResourceClaimTemplateSpec{
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Spec: spec,
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},
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}
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}
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func TestValidateClaimTemplate(t *testing.T) {
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validMode := resource.AllocationModeImmediate
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invalidMode := resource.AllocationMode("invalid")
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goodName := "foo"
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badName := "!@#$%^"
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goodNS := "ns"
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goodClaimSpec := resource.ResourceClaimSpec{
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ResourceClassName: goodName,
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AllocationMode: validMode,
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}
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now := metav1.Now()
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badValue := "spaces not allowed"
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scenarios := map[string]struct {
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template *resource.ResourceClaimTemplate
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wantFailures field.ErrorList
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}{
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"good-claim": {
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template: testClaimTemplate(goodName, goodNS, goodClaimSpec),
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},
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"missing-name": {
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wantFailures: field.ErrorList{field.Required(field.NewPath("metadata", "name"), "name or generateName is required")},
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template: testClaimTemplate("", goodNS, goodClaimSpec),
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},
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"bad-name": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("metadata", "name"), badName, "a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')")},
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template: testClaimTemplate(badName, goodNS, goodClaimSpec),
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},
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"missing-namespace": {
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wantFailures: field.ErrorList{field.Required(field.NewPath("metadata", "namespace"), "")},
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template: testClaimTemplate(goodName, "", goodClaimSpec),
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},
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"generate-name": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.GenerateName = "pvc-"
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return template
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}(),
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},
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"uid": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.UID = "ac051fac-2ead-46d9-b8b4-4e0fbeb7455d"
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return template
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}(),
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},
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"resource-version": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.ResourceVersion = "1"
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return template
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}(),
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},
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"generation": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Generation = 100
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return template
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}(),
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},
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"creation-timestamp": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.CreationTimestamp = now
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return template
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}(),
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},
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"deletion-grace-period-seconds": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.DeletionGracePeriodSeconds = pointer.Int64(10)
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return template
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}(),
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},
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"owner-references": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.OwnerReferences = []metav1.OwnerReference{
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{
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APIVersion: "v1",
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Kind: "pod",
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Name: "foo",
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UID: "ac051fac-2ead-46d9-b8b4-4e0fbeb7455d",
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},
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}
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return template
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}(),
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},
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"finalizers": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Finalizers = []string{
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"example.com/foo",
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}
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return template
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}(),
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},
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"managed-fields": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.ManagedFields = []metav1.ManagedFieldsEntry{
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{
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FieldsType: "FieldsV1",
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Operation: "Apply",
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APIVersion: "apps/v1",
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Manager: "foo",
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},
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}
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return template
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}(),
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},
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"good-labels": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Labels = map[string]string{
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"apps.kubernetes.io/name": "test",
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}
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return template
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}(),
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},
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"bad-labels": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("metadata", "labels"), badValue, "a valid label must be an empty string or consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character (e.g. 'MyValue', or 'my_value', or '12345', regex used for validation is '(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?')")},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Labels = map[string]string{
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"hello-world": badValue,
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}
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return template
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}(),
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},
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"good-annotations": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Annotations = map[string]string{
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"foo": "bar",
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}
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return template
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}(),
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},
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"bad-annotations": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("metadata", "annotations"), badName, "name part must consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character (e.g. 'MyName', or 'my.name', or '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]')")},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Annotations = map[string]string{
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badName: "hello world",
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}
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return template
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}(),
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},
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"bad-classname": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec", "spec", "resourceClassName"), badName, "a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')")},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Spec.Spec.ResourceClassName = badName
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return template
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}(),
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},
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"bad-mode": {
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wantFailures: field.ErrorList{field.NotSupported(field.NewPath("spec", "spec", "allocationMode"), invalidMode, supportedAllocationModes.List())},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Spec.Spec.AllocationMode = invalidMode
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return template
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}(),
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},
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"good-parameters": {
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Spec.Spec.ParametersRef = &resource.ResourceClaimParametersReference{
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Kind: "foo",
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Name: "bar",
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}
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return template
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}(),
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},
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"missing-parameters-kind": {
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wantFailures: field.ErrorList{field.Required(field.NewPath("spec", "spec", "parametersRef", "kind"), "")},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Spec.Spec.ParametersRef = &resource.ResourceClaimParametersReference{
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Name: "bar",
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}
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return template
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}(),
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},
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"missing-parameters-name": {
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wantFailures: field.ErrorList{field.Required(field.NewPath("spec", "spec", "parametersRef", "name"), "")},
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template: func() *resource.ResourceClaimTemplate {
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template := testClaimTemplate(goodName, goodNS, goodClaimSpec)
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template.Spec.Spec.ParametersRef = &resource.ResourceClaimParametersReference{
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Kind: "foo",
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}
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return template
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}(),
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},
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}
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for name, scenario := range scenarios {
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t.Run(name, func(t *testing.T) {
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errs := ValidateClaimTemplate(scenario.template)
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assert.Equal(t, scenario.wantFailures, errs)
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})
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}
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}
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func TestValidateClaimTemplateUpdate(t *testing.T) {
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name := "valid"
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parameters := &resource.ResourceClaimParametersReference{
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Kind: "foo",
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Name: "bar",
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}
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validClaimTemplate := testClaimTemplate("foo", "ns", resource.ResourceClaimSpec{
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ResourceClassName: name,
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AllocationMode: resource.AllocationModeImmediate,
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ParametersRef: parameters,
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})
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scenarios := map[string]struct {
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oldClaimTemplate *resource.ResourceClaimTemplate
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update func(claim *resource.ResourceClaimTemplate) *resource.ResourceClaimTemplate
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wantFailures field.ErrorList
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}{
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"valid-no-op-update": {
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oldClaimTemplate: validClaimTemplate,
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update: func(claim *resource.ResourceClaimTemplate) *resource.ResourceClaimTemplate { return claim },
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},
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"invalid-update-class": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec"), func() resource.ResourceClaimTemplateSpec {
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spec := validClaimTemplate.Spec.DeepCopy()
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spec.Spec.ResourceClassName += "2"
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return *spec
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}(), "field is immutable")},
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oldClaimTemplate: validClaimTemplate,
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update: func(template *resource.ResourceClaimTemplate) *resource.ResourceClaimTemplate {
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template.Spec.Spec.ResourceClassName += "2"
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return template
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},
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},
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"invalid-update-remove-parameters": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec"), func() resource.ResourceClaimTemplateSpec {
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spec := validClaimTemplate.Spec.DeepCopy()
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spec.Spec.ParametersRef = nil
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return *spec
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}(), "field is immutable")},
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oldClaimTemplate: validClaimTemplate,
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update: func(template *resource.ResourceClaimTemplate) *resource.ResourceClaimTemplate {
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template.Spec.Spec.ParametersRef = nil
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return template
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},
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},
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"invalid-update-mode": {
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wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec"), func() resource.ResourceClaimTemplateSpec {
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spec := validClaimTemplate.Spec.DeepCopy()
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spec.Spec.AllocationMode = resource.AllocationModeWaitForFirstConsumer
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return *spec
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}(), "field is immutable")},
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oldClaimTemplate: validClaimTemplate,
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update: func(template *resource.ResourceClaimTemplate) *resource.ResourceClaimTemplate {
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template.Spec.Spec.AllocationMode = resource.AllocationModeWaitForFirstConsumer
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return template
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},
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},
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}
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for name, scenario := range scenarios {
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t.Run(name, func(t *testing.T) {
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scenario.oldClaimTemplate.ResourceVersion = "1"
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errs := ValidateClaimTemplateUpdate(scenario.update(scenario.oldClaimTemplate.DeepCopy()), scenario.oldClaimTemplate)
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assert.Equal(t, scenario.wantFailures, errs)
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})
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}
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}
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