liminix/tools/default.nix

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{
stdenvNoCC
, s6-rc
, lib
, busybox
} :let
inherit (builtins) concatStringsSep;
longrun = {
name
, run
, outputs ? []
, dependencies ? []
} @ args: stdenvNoCC.mkDerivation {
name = "${name}.service";
type = "longrun";
buildInputs = dependencies;
dependencies = builtins.map (d: d.name) dependencies;
shell = "${busybox}/bin/sh";
inherit run;
builder = ./builder.sh;
};
oneshot = {
name
, up
, down
, outputs ? []
, dependencies ? []
, ...
} @ args: stdenvNoCC.mkDerivation {
# stdenvNoCC is to avoid generating derivations with names
# like foo.service-mips-linux-musl
name = "${name}.service";
type = "oneshot";
# does this suffice to make sure dependencies are included
# even though the built output has no references to their
# store directories?
buildInputs = dependencies;
shell = "${busybox}/bin/sh";
inherit up down;
dependencies = builtins.map (d: d.name) dependencies;
builder = ./builder.sh;
};
target = {
name
, contents ? []
, dependencies ? []
, ...
}: stdenvNoCC.mkDerivation {
inherit name;
type = "bundle";
contents = builtins.map (d: d.name) contents;
buildInputs = dependencies ++ (lib.debug.traceSeqN 2 contents contents);
dependencies = builtins.map (d: d.name) dependencies;
shell = "${busybox}/bin/sh";
builder = ./builder.sh;
};
bundle = { name, ... } @args : target (args // { name = "${name}.bundle";});
in {
networking = {
interface = { type, device } @ args: oneshot {
name = "${device}.link";
up = "ip link set up dev ${device}";
down = "ip link set down dev ${device}";
} // {
inherit device;
};
address = interface: { family, addr } @ args: oneshot {
dependencies = [ interface ];
name = "${interface.device}.addr.${addr}";
up = "ip address add ${addr} dev ${interface.device} ";
down = "ip address del ${addr} dev ${interface.device} ";
};
udhcpc = interface: { ... } @ args: longrun {
name = "${interface.device}.udhcp";
run = "${busybox}/bin/udhcpc -f -i ${interface.device}";
};
odhcpc = interface: { ... } @ args: longrun {
name = "${interface.device}.odhcp";
run = "odhcpcd ${interface.device}";
};
};
services = {
inherit longrun oneshot bundle target;
output = service: name: "/run/services/outputs/${service.name}/${name}";
};
}