feat(hostd): varlink interfaced host controller to manage machine configuration and boot mgmt

flake.nix

@@ -38,6 +38,9 @@
                 "rust-analyzer"
                 "rust-src"
               ];
+              targets = [
+                "x86_64-unknown-linux-gnu"
+              ];
             };
           })
         ];
@@ -55,22 +58,29 @@
           ];
         };
 
+        cleanSrc = craneLib.cleanCargoSource ../.;
+
         commonArgs = {
-          inherit src;
+          inherit src cleanSrc;
 
           stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.stdenv;
           strictDeps = true;
           cargoArtifacts = craneLib.buildDepsOnly commonArgs;
 
           nativeBuildInputs = with pkgs; [
-            clang
-            mold-wrapped
             pkg-config
           ];
 
-          buildInputs = with pkgs; [
+          BuildInputs = with pkgs; [
             openssl
           ];
+
+          CARGO_BUILD_TARGET = "x86_64-unknown-linux-gnu";
+          CARGO_BUILD_RUSTFLAGS = "-C target-feature=+crt-static";
+          OPENSSL_STATIC = "true";
+          OPENSSL_DIR = "${pkgs.openssl.dev}";
+          OPENSSL_LIB_DIR = "${pkgs.openssl.out}/lib";
+          OPENSSL_INCLUDE_DIR = "${pkgs.openssl.dev}/include/";
         };
 
         buildCrate =
@@ -85,11 +95,40 @@
 
         patagia-agent = buildCrate "patagia-agent" ./agent;
         patagia-controller = buildCrate "patagia-controller" ./controller;
+        hostd = buildCrate "hostd" ./hostd;
         xtask = buildCrate "xtask" ./xtask;
       in
       {
         packages = {
-          inherit patagia-agent patagia-controller xtask;
+          inherit
+            hostd
+            patagia-agent
+            patagia-controller
+            xtask
+            ;
+
+          hostd-service =
+            let
+              hostd-service = pkgs.writeText "hostd.service" ''
+                [Unit]
+                Description=Patagia Hostd
+
+                [Service]
+                Environment=RUST_LOG=debug
+                ExecStart=${hostd}/bin/hostd
+                Restart=always
+                RestartSec=30s
+
+                [Install]
+                WantedBy=multi-user.target
+              '';
+            in
+            pkgs.portableService {
+              pname = "hostd";
+              version = "v0.0.1";
+              units = [ hostd-service ];
+            };
+
         };
 
         checks = {
@@ -147,8 +186,7 @@
               sqls
               sqlx-cli
               watchexec
-            ]
-            ++ commonArgs.buildInputs;
+            ];
           RUST_BACKTRACE = 1;
           RUST_SRC_PATH = pkgs.rustPlatform.rustLibSrc; # Required for rust-analyzer
         };