mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 08:20:23 +00:00
83559144b1
updated kubernetes packages to latest release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
87 lines
3.0 KiB
Go
87 lines
3.0 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors.
|
|
|
|
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 (
|
|
"strings"
|
|
|
|
"k8s.io/apimachinery/pkg/util/validation"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
)
|
|
|
|
// IsNegativeErrorMsg is a error message for value must be greater than or equal to 0.
|
|
const IsNegativeErrorMsg string = `must be greater than or equal to 0`
|
|
|
|
// ValidateNameFunc validates that the provided name is valid for a given resource type.
|
|
// Not all resources have the same validation rules for names. Prefix is true
|
|
// if the name will have a value appended to it. If the name is not valid,
|
|
// this returns a list of descriptions of individual characteristics of the
|
|
// value that were not valid. Otherwise this returns an empty list or nil.
|
|
type ValidateNameFunc func(name string, prefix bool) []string
|
|
|
|
// NameIsDNSSubdomain is a ValidateNameFunc for names that must be a DNS subdomain.
|
|
func NameIsDNSSubdomain(name string, prefix bool) []string {
|
|
if prefix {
|
|
name = maskTrailingDash(name)
|
|
}
|
|
return validation.IsDNS1123Subdomain(name)
|
|
}
|
|
|
|
// NameIsDNSLabel is a ValidateNameFunc for names that must be a DNS 1123 label.
|
|
func NameIsDNSLabel(name string, prefix bool) []string {
|
|
if prefix {
|
|
name = maskTrailingDash(name)
|
|
}
|
|
return validation.IsDNS1123Label(name)
|
|
}
|
|
|
|
// NameIsDNS1035Label is a ValidateNameFunc for names that must be a DNS 952 label.
|
|
func NameIsDNS1035Label(name string, prefix bool) []string {
|
|
if prefix {
|
|
name = maskTrailingDash(name)
|
|
}
|
|
return validation.IsDNS1035Label(name)
|
|
}
|
|
|
|
// ValidateNamespaceName can be used to check whether the given namespace name is valid.
|
|
// Prefix indicates this name will be used as part of generation, in which case
|
|
// trailing dashes are allowed.
|
|
var ValidateNamespaceName = NameIsDNSLabel
|
|
|
|
// ValidateServiceAccountName can be used to check whether the given service account name is valid.
|
|
// Prefix indicates this name will be used as part of generation, in which case
|
|
// trailing dashes are allowed.
|
|
var ValidateServiceAccountName = NameIsDNSSubdomain
|
|
|
|
// maskTrailingDash replaces the final character of a string with a subdomain safe
|
|
// value if is a dash.
|
|
func maskTrailingDash(name string) string {
|
|
if strings.HasSuffix(name, "-") {
|
|
return name[:len(name)-2] + "a"
|
|
}
|
|
return name
|
|
}
|
|
|
|
// ValidateNonnegativeField validates that given value is not negative.
|
|
func ValidateNonnegativeField(value int64, fldPath *field.Path) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
if value < 0 {
|
|
allErrs = append(allErrs, field.Invalid(fldPath, value, IsNegativeErrorMsg))
|
|
}
|
|
return allErrs
|
|
}
|