diff --git a/lib/lists.nix b/lib/lists.nix index 8f67c6bb0ca..f2e6bacdc98 100644 --- a/lib/lists.nix +++ b/lib/lists.nix @@ -440,8 +440,12 @@ rec { init = list: assert list != []; take (length list - 1) list; - /* FIXME(zimbatm) Not used anywhere - */ + /* return the image of the cross product of some lists by a function + + Example: + crossLists (x:y: "${toString x}${toString y}") [[1 2] [3 4]] + => [ "13" "14" "23" "24" ] + */ crossLists = f: foldl (fs: args: concatMap (f: map f args) fs) [f]; diff --git a/nixos/release-small.nix b/nixos/release-small.nix index 24c448449c1..2b532c70763 100644 --- a/nixos/release-small.nix +++ b/nixos/release-small.nix @@ -41,6 +41,7 @@ in rec { nfs3 openssh php-pcre + predictable-interface-names proxy simple; installer = { diff --git a/nixos/release.nix b/nixos/release.nix index 2c605500376..16f00e78faa 100644 --- a/nixos/release.nix +++ b/nixos/release.nix @@ -326,6 +326,7 @@ in rec { tests.pgmanage = callTest tests/pgmanage.nix {}; tests.postgis = callTest tests/postgis.nix {}; #tests.pgjwt = callTest tests/pgjwt.nix {}; + tests.predictable-interface-names = callSubTests tests/predictable-interface-names.nix {}; tests.printing = callTest tests/printing.nix {}; tests.prometheus = callTest tests/prometheus.nix {}; tests.proxy = callTest tests/proxy.nix {}; diff --git a/nixos/tests/predictable-interface-names.nix b/nixos/tests/predictable-interface-names.nix new file mode 100644 index 00000000000..b4c2039923c --- /dev/null +++ b/nixos/tests/predictable-interface-names.nix @@ -0,0 +1,27 @@ +{ system ? builtins.currentSystem +, pkgs ? import ../.. { inherit system; } +}: +with import ../lib/testing.nix { inherit system; }; +let boolToString = x: if x then "yes" else "no"; in +let testWhenSetTo = predictable: withNetworkd: +makeTest { + name = "${if predictable then "" else "un"}predictableInterfaceNames${if withNetworkd then "-with-networkd" else ""}"; + meta = {}; + + machine = { config, pkgs, ... }: { + networking.usePredictableInterfaceNames = pkgs.stdenv.lib.mkForce predictable; + networking.useNetworkd = withNetworkd; + networking.dhcpcd.enable = !withNetworkd; + }; + + testScript = '' + print $machine->succeed("ip link"); + $machine->succeed("ip link show ${if predictable then "ens3" else "eth0"}"); + $machine->fail("ip link show ${if predictable then "eth0" else "ens3"}"); + ''; +}; in +with pkgs.stdenv.lib.lists; +with pkgs.stdenv.lib.attrsets; +listToAttrs (map (drv: nameValuePair drv.name drv) ( +crossLists testWhenSetTo [[true false] [true false]] +))