From 8e5b6624b364d81cabfe15630d2a866840a71f80 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Mon, 27 Nov 2023 17:27:18 +0200
Subject: [PATCH] Synit: implement test module

---
 nixproc/backends/synit/build-synit-env.nix    | 11 ++++--
 .../backends/synit/test-module/default.nix    | 30 +++++++++++++++
 .../test-module/nixos-syndicate-server.nix    | 38 +++++++++++++++++++
 nixproc/test-driver/universal.nix             |  1 +
 tools/synit/nixproc-synit-deploy.in           | 16 +++++++-
 5 files changed, 91 insertions(+), 5 deletions(-)
 create mode 100644 nixproc/backends/synit/test-module/default.nix
 create mode 100644 nixproc/backends/synit/test-module/nixos-syndicate-server.nix

diff --git a/nixproc/backends/synit/build-synit-env.nix b/nixproc/backends/synit/build-synit-env.nix
index 7f557da..14fb480 100644
--- a/nixproc/backends/synit/build-synit-env.nix
+++ b/nixproc/backends/synit/build-synit-env.nix
@@ -15,7 +15,10 @@ let
     (args // { processManager = "synit"; } // extraParams);
 
   processes = if exprFile == null then { } else processesFun processesArgs;
-in pkgs.buildEnv {
-  name = "synit";
-  paths = map (builtins.getAttr "pkg") (builtins.attrValues processes);
-}
+in pkgs.runCommand "synit-processes.pr" {
+  nativeBuildInputs = [ pkgs.preserves-tools ];
+  env.config_inputs =
+    pkgs.lib.strings.concatMapStringsSep " " (builtins.getAttr "pkg") (builtins.attrValues processes);
+} ''
+  cat $(find $config_inputs -name '*.pr') | preserves-tool convert > "$out"
+''
diff --git a/nixproc/backends/synit/test-module/default.nix b/nixproc/backends/synit/test-module/default.nix
new file mode 100644
index 0000000..fb55ef7
--- /dev/null
+++ b/nixproc/backends/synit/test-module/default.nix
@@ -0,0 +1,30 @@
+{ profileSettings, exprFile, extraParams, tools, pkgs, system }:
+
+let
+  executeDeploy =
+    import ../../../test-driver/util/execute-deploy.nix { inherit (pkgs) lib; };
+
+  processesEnvSystem = import ../build-synit-env.nix
+    ({ inherit pkgs system exprFile extraParams; } // profileSettings.params);
+in {
+  inherit (profileSettings) params;
+
+  nixosModules = [ ./nixos-syndicate-server.nix ];
+
+  systemPackages = [ tools.synit ];
+
+  additionalPaths = [ processesEnvSystem ];
+
+  deployProcessManager = "";
+
+  deploySystem = ''
+    machine.wait_for_unit("syndicate-server.service")
+    machine.succeed("${
+      executeDeploy {
+        inherit profileSettings;
+        processManager = "synit";
+        processesEnv = processesEnvSystem;
+      }
+    }")
+  '';
+}
diff --git a/nixproc/backends/synit/test-module/nixos-syndicate-server.nix b/nixproc/backends/synit/test-module/nixos-syndicate-server.nix
new file mode 100644
index 0000000..83c79c1
--- /dev/null
+++ b/nixproc/backends/synit/test-module/nixos-syndicate-server.nix
@@ -0,0 +1,38 @@
+{ lib, pkgs, ... }:
+
+let
+  syndicate-server = pkgs.syndicate-server or (let
+    repo = builtins.fetchTarball
+      "https://git.syndicate-lang.org/ehmry/syndicate-flake/archive/trunk.tar.gz";
+    pkgs' = import repo { inherit pkgs; };
+  in pkgs'.syndicate-server);
+
+  synit = pkgs.fetchFromGitea {
+    domain = "git.syndicate-lang.org";
+    owner = "synit";
+    repo = "synit";
+    rev = "a2ecd8a4e441f8622a57a99987cb0aa5be9e1dcd";
+    hash = "sha256-M79AJ8/Synzm4CYkt3+GYViJLJcuYBW+x32Vfy+oFUM=";
+  };
+
+in {
+  systemd.services.syndicate-server = {
+    description = "Syndicate dataspace server";
+    wantedBy = [ "basic.target" ];
+    preStart = ''
+      mkdir -p "/etc/syndicate/services"
+      ${lib.getExe pkgs.rsync} -r \
+        --exclude 001-console-getty.pr \
+        --exclude configdirs.pr \
+        --exclude eudev.pr \
+        --exclude hostname.pr \
+        --exclude services \
+        "${synit}/packaging/packages/synit-config/files/etc/syndicate/" \
+        "/etc/syndicate"
+    '';
+    serviceConfig = {
+      ExecStart =
+        "${lib.getExe syndicate-server} --no-banner --config /etc/syndicate";
+    };
+  };
+}
diff --git a/nixproc/test-driver/universal.nix b/nixproc/test-driver/universal.nix
index f047fbf..2ddc0ad 100644
--- a/nixproc/test-driver/universal.nix
+++ b/nixproc/test-driver/universal.nix
@@ -10,6 +10,7 @@ import ./agnostic.nix {
     docker = ../backends/docker/test-module;
     s6-rc = ../backends/s6-rc/test-module;
     supervisord = ../backends/supervisord/test-module;
+    synit = ../backends/synit/test-module;
     systemd = ../backends/systemd/test-module;
     sysvinit = ../backends/sysvinit/test-module;
   };
diff --git a/tools/synit/nixproc-synit-deploy.in b/tools/synit/nixproc-synit-deploy.in
index aeafae9..af89790 100644
--- a/tools/synit/nixproc-synit-deploy.in
+++ b/tools/synit/nixproc-synit-deploy.in
@@ -122,7 +122,21 @@ checkNixStateDir
 checkProfile
 composeOldProfilePath
 
-# TODO
+if [ "$profilePath" = "" ]
+then
+    echo "No profile path was provided!" >&2
+    exit 1
+fi
+
+# Initialize all state
+
+nixproc-init-state $stateDirArg $runtimeDirArg $logDirArg $tmpDirArg $cacheDirArg $spoolDirArg $lockDirArg $libDirArg $forceDisableUserChangeArg
+
+# Create new groups and users
+createNewGroups
+createNewUsers
+
+cp -v $profilePath /etc/syndicate/services/processes.pr
 
 # Delete obsolete users and groups
 deleteObsoleteUsers