pulumi/pkg/util/validation/stack.go

59 lines
1.7 KiB
Go

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