mirror of
https://github.com/ceph/ceph-csi.git
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53 lines
1.9 KiB
Go
53 lines
1.9 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 api
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/util/sets"
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"regexp"
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"strings"
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)
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var bootstrapGroupRegexp = regexp.MustCompile(`\A` + BootstrapGroupPattern + `\z`)
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// ValidateBootstrapGroupName checks if the provided group name is a valid
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// bootstrap group name. Returns nil if valid or a validation error if invalid.
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// TODO(mattmoyer): this validation should migrate out to client-go (see https://github.com/kubernetes/client-go/issues/114)
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func ValidateBootstrapGroupName(name string) error {
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if bootstrapGroupRegexp.Match([]byte(name)) {
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return nil
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}
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return fmt.Errorf("bootstrap group %q is invalid (must match %s)", name, BootstrapGroupPattern)
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}
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// ValidateUsages validates that the passed in string are valid usage strings for bootstrap tokens.
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func ValidateUsages(usages []string) error {
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usageAuthentication := strings.TrimPrefix(BootstrapTokenUsageAuthentication, BootstrapTokenUsagePrefix)
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usageSigning := strings.TrimPrefix(BootstrapTokenUsageSigningKey, BootstrapTokenUsagePrefix)
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invalidUsages := sets.NewString()
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for _, usage := range usages {
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if usage != usageAuthentication && usage != usageSigning {
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invalidUsages.Insert(usage)
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}
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}
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if len(invalidUsages) > 0 {
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return fmt.Errorf("invalide bootstrap token usage string: %s, valid usage option: %s, %s", strings.Join(invalidUsages.List(), ","), usageAuthentication, usageSigning)
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}
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return nil
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}
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