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https://github.com/ceph/ceph-csi.git
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81 lines
2.8 KiB
Go
81 lines
2.8 KiB
Go
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/*
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Copyright 2017 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 registrytest
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import (
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"fmt"
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"k8s.io/apiserver/pkg/registry/generic/registry"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/kubernetes/pkg/util/slice"
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)
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// ValidateStorageStrategies ensures any instances of the generic registry.Store in the given storage map
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// have expected strategies defined.
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func ValidateStorageStrategies(storageMap map[string]rest.Storage, exceptions StrategyExceptions) []error {
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errs := []error{}
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// Used to ensure we saw all the expected exceptions:
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hasExportExceptionsSeen := []string{}
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for k, storage := range storageMap {
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switch t := storage.(type) {
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case registry.GenericStore:
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// At this point it appears all uses of the generic registry store should have a create, update, and
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// delete strategy set:
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if t.GetCreateStrategy() == nil {
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errs = append(errs, fmt.Errorf("store for type [%v] does not have a CreateStrategy", k))
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}
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if t.GetUpdateStrategy() == nil {
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errs = append(errs, fmt.Errorf("store for type [%v] does not have an UpdateStrategy", k))
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}
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if t.GetDeleteStrategy() == nil {
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errs = append(errs, fmt.Errorf("store for type [%v] does not have a DeleteStrategy", k))
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}
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// Check that ExportStrategy is set if applicable:
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if slice.ContainsString(exceptions.HasExportStrategy, k, nil) {
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hasExportExceptionsSeen = append(hasExportExceptionsSeen, k)
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if t.GetExportStrategy() == nil {
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errs = append(errs, fmt.Errorf("store for type [%v] does not have an ExportStrategy", k))
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}
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} else {
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// By default we expect Stores to not have additional export logic:
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if t.GetExportStrategy() != nil {
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errs = append(errs, fmt.Errorf("store for type [%v] has an unexpected ExportStrategy", k))
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}
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}
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}
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}
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// Ensure that we saw all our expected exceptions:
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for _, expKey := range exceptions.HasExportStrategy {
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if !slice.ContainsString(hasExportExceptionsSeen, expKey, nil) {
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errs = append(errs, fmt.Errorf("no generic store seen for expected ExportStrategy: %v", expKey))
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}
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}
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return errs
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}
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// StrategyExceptions carries information on what exceptions to default strategy expectations are expected.
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type StrategyExceptions struct {
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// HasExportStrategy is a list of the resource keys whose store should have a custom export strategy.
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HasExportStrategy []string
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}
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