DockerCLI/cli/command/stack/common.go

32 lines
725 B
Go

package stack
import (
"fmt"
"strings"
"unicode"
)
// validateStackName checks if the provided string is a valid stack name (namespace).
// It currently only does a rudimentary check if the string is empty, or consists
// of only whitespace and quoting characters.
func validateStackName(namespace string) error {
v := strings.TrimFunc(namespace, quotesOrWhitespace)
if v == "" {
return fmt.Errorf("invalid stack name: %q", namespace)
}
return nil
}
func validateStackNames(namespaces []string) error {
for _, ns := range namespaces {
if err := validateStackName(ns); err != nil {
return err
}
}
return nil
}
func quotesOrWhitespace(r rune) bool {
return unicode.IsSpace(r) || r == '"' || r == '\''
}