mirror of https://github.com/pulumi/pulumi.git
59 lines
1.7 KiB
Go
59 lines
1.7 KiB
Go
// Copyright 2016-2023, Pulumi Corporation.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package validation
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import (
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"errors"
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"fmt"
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"regexp"
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"github.com/pulumi/pulumi/sdk/v3/go/common/apitype"
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)
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// validateStackTagName checks if s is a valid stack tag name, otherwise returns a descriptive error.
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// This should match the stack naming rules enforced by the Pulumi Service.
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func validateStackTagName(s string) error {
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const maxTagName = 40
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if len(s) == 0 {
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return fmt.Errorf("invalid stack tag %q", s)
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}
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if len(s) > maxTagName {
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return fmt.Errorf("stack tag %q is too long (max length %d characters)", s, maxTagName)
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}
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tagNameRE := regexp.MustCompile("^[a-zA-Z0-9-_.:]{1,40}$")
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if tagNameRE.MatchString(s) {
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return nil
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}
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return errors.New("stack tag names may only contain alphanumerics, hyphens, underscores, periods, or colons")
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}
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// ValidateStackTags validates the tag names and values.
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func ValidateStackTags(tags map[apitype.StackTagName]string) error {
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const maxTagValue = 256
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for t, v := range tags {
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if err := validateStackTagName(t); err != nil {
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return err
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}
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if len(v) > maxTagValue {
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return fmt.Errorf("stack tag %q value is too long (max length %d characters)", t, maxTagValue)
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}
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}
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return nil
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}
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