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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]|){0,61}[a-z0-9A-Z])?$`)
var valueRegexp = regexp.MustCompile(`^(([a-z0-9A-Z](?:[\-_.]|[a-z0-9A-Z]){0,61})?[a-z0-9A-Z]$|$)`)
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
}
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