open-webui: more consistent example

lib/default.nix

@@ -352,12 +352,16 @@ let
                   "expected"
                   "result"
                 ];
+
+                nativeBuildInputs = [
+                  (pkgs.python3.withPackages (ps: [ ps.deepdiff ] ++ ps.deepdiff.optional-dependencies.cli))
+                ];
               }
               ''
                 echo "${name} failed (- expected, + result)" > $out
                 cp ''${expectedPath} ''${expectedPath}.json
                 cp ''${resultPath} ''${resultPath}.json
-                ${pkgs.deepdiff}/bin/deep diff ''${expectedPath}.json ''${resultPath}.json >> $out
+                deep diff ''${expectedPath}.json ''${resultPath}.json >> $out
               ''
           );
 

modules/blocks/davfs.nix

@@ -75,6 +75,30 @@ in
   config = {
     services.davfs2.enable = builtins.length cfg.mounts > 0;
 
+    systemd.services = lib.optionalAttrs (builtins.length cfg.mounts > 0) {
+      davfs2-password-generation = {
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig.Type = "oneshot";
+        script = ''
+          mkdir -p /etc/davfs2
+          [ -f /etc/davfs2/secrets ] && mv /etc/davfs2/secrets /etc/davfs2/secrets.prev
+          touch /etc/davfs2/secrets
+          chown root: /etc/davfs2
+          chown root: /etc/davfs2/secrets
+          chmod 700 /etc/davfs2
+          chmod 600 /etc/davfs2/secrets
+        ''
+        + (
+          let
+            mkPasswordCmd = cfg': ''
+              printf "%s %s %s\n" "${cfg'.mountPoint}" "${cfg'.username}" "$(cat ${cfg'.passwordFile})" >> /etc/davfs2/secrets
+            '';
+          in
+          lib.concatStringsSep "\n" (map mkPasswordCmd cfg.mounts)
+        );
+      };
+    };
+
     systemd.mounts =
       let
         mkMountCfg = c: {
@@ -82,6 +106,7 @@ in
           description = "Webdav mount point";
           after = [ "network-online.target" ];
           wants = [ "network-online.target" ];
+          wantedBy = [ "multi-user.target" ];
 
           what = c.remoteUrl;
           where = c.mountPoint;

modules/blocks/zfs.nix

@@ -249,9 +249,10 @@ in
         let
           recursiveFlag = lib.optionalString cfg.snapshotBeforeActivation.recursive "-r";
         in
-        lib.concatMapStringsSep "\n" (ds: "zfs snapshot ${recursiveFlag} ${ds}@\"$name\"") (
+        lib.concatMapStringsSep "\n" (ds: ''
-          lib.uniqueStrings datasets
+          echo "Taking ZFS snapshot of ${ds}@$name"
-        )
+          zfs snapshot ${recursiveFlag} ${ds}@"$name"
+        '') (lib.uniqueStrings datasets)
       )
     );
   };

modules/services/home-assistant.nix

@@ -11,23 +11,13 @@ let
 
   fqdn = "${cfg.subdomain}.${cfg.domain}";
 
-  ldap_auth_script_repo = pkgs.fetchFromGitHub {
-    owner = "lldap";
-    repo = "lldap";
-    rev = "7d1f5abc137821c500de99c94f7579761fc949d8";
-    sha256 = "sha256-8D+7ww70Ja6Qwdfa+7MpjAAHewtCWNf/tuTAExoUrg0=";
-  };
-
-  ldap_auth_script = pkgs.writeShellScriptBin "ldap_auth.sh" ''
-    export PATH=${pkgs.gnused}/bin:${pkgs.curl}/bin:${pkgs.jq}/bin
-    exec ${pkgs.bash}/bin/bash ${ldap_auth_script_repo}/example_configs/lldap-ha-auth.sh $@
-  '';
-
   # Filter secrets from config. Secrets are those of the form { source = <path>; }
   secrets = lib.attrsets.filterAttrs (k: v: builtins.isAttrs v) cfg.config;
 
   nonSecrets = (lib.attrsets.filterAttrs (k: v: !(builtins.isAttrs v)) cfg.config);
 
+  lldap_ha_auth = pkgs.callPackage ./home-assistant/lldap_ha_auth.nix { };
+
   configWithSecretsIncludes = nonSecrets // (lib.attrsets.mapAttrs (k: v: "!secret ${k}") secrets);
 in
 {
@@ -280,9 +270,10 @@ in
               }
             ])
             ++ (lib.optionals cfg.ldap.enable [
+              # https://www.home-assistant.io/docs/authentication/providers/#command-line
               {
                 type = "command_line";
-                command = ldap_auth_script + "/bin/ldap_auth.sh";
+                command = lldap_ha_auth + "/bin/lldap-ha-auth";
                 args = [
                   "http://${cfg.ldap.host}:${toString cfg.ldap.port}"
                   cfg.ldap.userGroup

modules/services/home-assistant/lldap_ha_auth.nix

@@ -0,0 +1,37 @@
+{
+  lib,
+  pkgs,
+  stdenvNoCC,
+}:
+stdenvNoCC.mkDerivation {
+  name = "lldap-ha-auth";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "lldap";
+    repo = "lldap";
+    rev = "7d1f5abc137821c500de99c94f7579761fc949d8";
+    sha256 = "sha256-8D+7ww70Ja6Qwdfa+7MpjAAHewtCWNf/tuTAExoUrg0=";
+  };
+
+  nativeBuildInputs = [
+    pkgs.makeWrapper
+  ];
+
+  buildPhase = ''
+    mkdir -p $out/bin
+
+    cp example_configs/lldap-ha-auth.sh $out/bin/lldap-ha-auth
+    chmod a+x $out/bin/lldap-ha-auth
+  '';
+
+  installPhase = ''
+    wrapProgram $out/bin/lldap-ha-auth \
+      --prefix PATH : ${
+        lib.makeBinPath [
+          pkgs.gnused
+          pkgs.curl
+          pkgs.jq
+        ]
+      }
+  '';
+}

modules/services/open-webui.nix

@@ -59,12 +59,12 @@ in
           WEBUI_NAME = "SelfHostBlocks";
 
           OLLAMA_BASE_URL = "http://127.0.0.1:''${toString config.services.ollama.port}";
+          RAG_EMBEDDING_ENGINE = "ollama";
           RAG_EMBEDDING_MODEL = "nomic-embed-text:v1.5";
 
           ENABLE_OPENAI_API = "True";
           OPENAI_API_BASE_URL = "http://127.0.0.1:''${toString config.services.llama-cpp.port}";
           ENABLE_WEB_SEARCH = "True";
-          RAG_EMBEDDING_ENGINE = "openai";
         }
       '';
     };

test/modules/davfs.nix

@@ -34,6 +34,7 @@ in
     expected = {
       services.davfs2.enable = false;
       systemd.mounts = [ ];
+      systemd.services = { };
     };
     expr = testConfig { };
   };