liminix

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address.nix (779B)

      1 {
      2   liminix
      3 , ifwait
      4 , serviceFns
      5 , lib
      6 }:
      7 {interface, family, address, prefixLength} :
      8 let
      9   inherit (liminix.services) oneshot;
     10   # rather depending on the assumption that nobody will
     11   # ever add two addresses which are the same but with different
     12   # prefixes, or the same but different protocols
     13   name = "${interface.name}.a.${address}";
     14   up = ''
     15     . ${serviceFns}
     16     dev=$(output ${interface} ifname)
     17     ip address add ${address}/${toString prefixLength} dev $dev
     18     (in_outputs ${name}
     19      echo ${address} > address
     20      echo ${toString prefixLength} > prefix-length
     21      echo ${family} > family
     22      echo $dev > ifname
     23     )
     24   '';
     25 in oneshot {
     26   inherit name up;
     27   down = "true";                # this has been broken for ~ ages
     28   dependencies = [ interface ];
     29 }