Add ./go/tests.sh

default.nix

@@ -1,5 +1,4 @@
 {
-
   buildSystem ? builtins.currentSystem,
   hostSystem ? buildSystem,
   pkgsNix ? (import ./nix/pkgs.nix),
@@ -106,10 +105,7 @@ in rec {
     '';
   };
 
-  appDir = pkgs.stdenv.mkDerivation {
-    name = "isle-AppDir";
-
-    src = pkgs.buildEnv {
+  appDirBase = pkgs.buildEnv {
     name = "isle-AppDir-base";
     paths = [
 
@@ -119,18 +115,23 @@ in rec {
       nebula
       garage
       pkgs.minio-client
-        goBinaries
 
     ] ++ (if bootstrap != null then [ rootedBootstrap ] else []);
   };
 
+  appDir = pkgs.stdenv.mkDerivation {
+    name = "isle-AppDir";
+
+    src = appDirBase;
+    inherit goBinaries;
+
     builder = builtins.toFile "build.sh" ''
       source $stdenv/setup
       cp -rL "$src" "$out"
       chmod +w "$out" -R
 
       cd "$out"
-      cp ./bin/entrypoint ./AppRun
+      cp $goBinaries/bin/entrypoint ./AppRun
     '';
   };
 
@@ -178,4 +179,22 @@ in rec {
     export SHELL=${pkgs.bash}/bin/bash
     exec ${pkgs.bash}/bin/bash ${./tests}/entrypoint.sh "$@"
   '';
+
+  devShell = pkgs.mkShell {
+    buildInputs = [
+      pkgs.go
+      pkgs.golangci-lint
+      (pkgs.callPackage ./nix/gowrap.nix {})
+    ];
+    shellHook = ''
+      true # placeholder
+    '';
+  };
+
+  testShell = pkgs.mkShell {
+    APPDIR = appDirBase;
+    buildInputs = [
+      pkgs.go
+    ];
+  };
 }

go/test.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd "$SCRIPT_DIR" || exit
+
+this_user="$(whoami)"
+
+nix-shell -A testShell ../default.nix --run "
+    echo \"Requesting sudo in order to set thread capabilities, will drop back down to user '$this_user' immediately\"
+    sudo -E capsh \\
+        --caps=\"cap_net_admin,cap_net_bind_service+eip cap_setpcap,cap_setuid,cap_setgid+ep\" \\
+        --keep=1 \\
+        --user=\"$this_user\" \\
+        --addamb=cap_net_admin \\
+        --addamb=cap_net_bind_service \\
+        -- -c 'go test $*'
+"

shell.nix

@@ -1,22 +1 @@
-{
-
-  buildSystem ? builtins.currentSystem,
-  pkgsNix ? (import ./nix/pkgs.nix),
-
-}: let
-
-  pkgs = pkgsNix.default {
-    inherit buildSystem;
-    hostSystem = buildSystem;
-  };
-
-in pkgs.mkShell {
-  buildInputs = [
-    pkgs.go
-    pkgs.golangci-lint
-    (pkgs.callPackage ./nix/gowrap.nix {})
-  ];
-  shellHook = ''
-    true # placeholder
-  '';
-}
+{}@args: ((import ./default.nix) args).devShell