Comment # 12 on bug 1197980 from Steffen Winterfeldt

And this on Tumbleweed:

# cat /etc/vconsole.conf
KEYMAP=ch
FONT=eurlatgr.psfu
FONT_MAP=
FONT_UNIMAP=
# localectl
   System Locale: LANG=de_DE.UTF-8
       VC Keymap: ch
      X11 Layout: ch
       X11 Model: microsoftpro
     X11 Options: terminate:ctrl_alt_bksp
# setxkbmap -print
xkb_keymap {
        xkb_keycodes  { include "evdev+aliases(qwertz)" };
        xkb_types     { include "complete"      };
        xkb_compat    { include "complete"      };
        xkb_symbols   { include "pc+ch+inet(evdev)+terminate(ctrl_alt_bksp)"   
};
        xkb_geometry  { include "pc(pc104)"     };
};