kops/vendor/github.com/hetznercloud/hcloud-go/hcloud/labels.go

24 lines
712 B
Go

package hcloud
import (
"fmt"
"regexp"
)
var keyRegexp = regexp.MustCompile(
`^([a-z0-9A-Z]((?:[\-_.]|[a-z0-9A-Z]){0,253}[a-z0-9A-Z])?/)?[a-z0-9A-Z]((?:[\-_.]|[a-z0-9A-Z]|){0,62}[a-z0-9A-Z])?$`)
var valueRegexp = regexp.MustCompile(`^(([a-z0-9A-Z](?:[\-_.]|[a-z0-9A-Z]){0,62})?[a-z0-9A-Z]$|$)`)
func ValidateResourceLabels(labels map[string]interface{}) (bool, error) {
for k, v := range labels {
if match := keyRegexp.MatchString(k); !match {
return false, fmt.Errorf("label key '%s' is not correctly formatted", k)
}
if match := valueRegexp.MatchString(v.(string)); !match {
return false, fmt.Errorf("label value '%s' (key: %s) is not correctly formatted", v, k)
}
}
return true, nil
}