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Make IsValidLabelValue return error strings

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This commit is contained in:
Tim Hockin
2015-12-15 22:27:13 -08:00
parent a0cc59f28a
commit 66d0d87829
11 changed files with 47 additions and 40 deletions
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19
pkg/util/validation/validation.go
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@@ -67,13 +67,24 @@ func IsQualifiedName(value string) []string {
return errs
}
const LabelValueFmt string = "(" + qualifiedNameFmt + ")?"
const labelValueFmt string = "(" + qualifiedNameFmt + ")?"
const LabelValueMaxLength int = 63
var labelValueRegexp = regexp.MustCompile("^" + LabelValueFmt + "$")
var labelValueMaxLengthString = strconv.Itoa(LabelValueMaxLength)
var labelValueRegexp = regexp.MustCompile("^" + labelValueFmt + "$")
func IsValidLabelValue(value string) bool {
return (len(value) <= LabelValueMaxLength && labelValueRegexp.MatchString(value))
// IsValidLabelValue tests whether the value passed is a valid label value. If
// the value is not valid, a list of error strings is returned. Otherwise an
// empty list (or nil) is returned.
func IsValidLabelValue(value string) []string {
var errs []string
if len(value) > LabelValueMaxLength {
errs = append(errs, "must be no more than "+labelValueMaxLengthString+" characters")
}
if !labelValueRegexp.MatchString(value) {
errs = append(errs, "must match the regex "+labelValueFmt+" (e.g. 'MyValue' or 'my_value' or '12345')")
}
return errs
}
const DNS1123LabelFmt string = "[a-z0-9]([-a-z0-9]*[a-z0-9])?"