clean up API clients, work on cross-builds of binaries + container images

Author: rcoder

Cargo.lock

@@ -1,4 +1,4 @@
 [workspace]
 
 resolver = "2"
-members = ["zeronsd", "central-api", "service-api", "tests"]
+members = ["zeronsd", "tests", "zerotier-api"]

Cargo.toml

@@ -0,0 +1,21 @@
+FROM nixos/nix:latest AS builder
+
+COPY . /tmp/build
+WORKDIR /tmp/build
+
+RUN nix \
+    --extra-experimental-features "nix-command flakes" \
+    --option filter-syscalls false \
+    build
+
+RUN mkdir /tmp/nix-store-closure
+RUN cp -R $(nix-store -qR result/) /tmp/nix-store-closure
+
+FROM scratch
+
+WORKDIR /
+
+# Copy /nix/store
+COPY --from=builder /tmp/nix-store-closure /nix/store
+COPY --from=builder /tmp/build/result/bin/zeronsd /bin/zeronsd
+CMD ["/bin/zeronsd"]

Dockerfile

@@ -0,0 +1,19 @@
+{ pkgs, cargo-package, ... }:
+
+pkgs.dockerTools.buildImage {
+  name = cargo-package.name;
+  tag = cargo-package.version;
+  created = "now";
+
+  copyToRoot = pkgs.buildEnv {
+    name = "zeronsd-image-root";
+    paths = with pkgs; [ zeronsd zerotierone dockerTools.caCertificates ];
+    pathsToLink = [ "/bin" "/etc" ];
+  };
+
+  config = {
+    Cmd = [ "/bin/zeronsd" ];
+    WorkingDir = "/var/lib/zeronsd";
+    Volumes = { "/var/lib/zeronsd" = {}; };
+  };
+}

central-api/Cargo.toml

@@ -10,37 +10,38 @@
 
   outputs = { nixpkgs, flake-utils, rust-overlay, ... }:
     let
-      cargo-config = builtins.fromTOML (builtins.readFile ./zeronsd/Cargo.toml);
+      cargo-package = (builtins.fromTOML (builtins.readFile ./zeronsd/Cargo.toml)).package;
       rust-version = "1.81.0";
-    in {
-    } // flake-utils.lib.eachDefaultSystem (system:
+    in flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs {
           inherit system;
           overlays = [ rust-overlay.overlays.default ];
+          config.allowUnfree = true;
         };
 
         devInputs = with pkgs; [
           rust-bin.stable.${rust-version}.complete
           pkg-config
           openssl
-        ];
+          toml-cli
+        ] ++ lib.optionals pkgs.stdenv.isDarwin [
+          pkgs.libiconv
+          pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
+        ] ;
 
         zeronsd-bin = pkgs.rustPlatform.buildRustPackage rec {
-          inherit (cargo-config.package) name version;
+          inherit (cargo-package) name version;
 
           src = ./.;
           buildAndTestSubdir = "zeronsd";
 
           nativeBuildInputs = devInputs;
           buildInputs = devInputs;
 
-          cargoLock = {
-            lockFile = ./Cargo.lock;
-          };
+          cargoLock.lockFile = ./Cargo.lock;
         };
-      in
-      {
+      in rec {
         devShells.default = pkgs.mkShell {
           buildInputs = devInputs;
           nativeBuildInputs = [ pkgs.just ];
@@ -49,30 +50,20 @@
         packages = {
           zeronsd = zeronsd-bin;
           default = zeronsd-bin;
+        } // builtins.listToAttrs (map (s: {
+          name = "container-${s}";
+          value = import ./docker.nix {
+            inherit cargo-package;
 
-          container = pkgs.dockerTools.buildImage {
-            inherit (cargo-config.package) name;
-            tag = "latest";
-
-            copyToRoot = pkgs.buildEnv {
-              name = "image-root";
-              paths = [ zeronsd-bin pkgs.dockerTools.caCertificates ];
-              pathsToLink = [ "/bin" "/etc" ];
-            };
-
-            created = "now";
-
-            runAsRoot = ''
-              #{pkgs.runtimeShell}
-              mkdir -p /var/lib/zeronsd
-            '';
-
-            config = {
-              Cmd = [ "/bin/zeronsd" ];
-              WorkingDir = "/var/lib/zeronsd";
+            pkgs = import nixpkgs {
+              localSystem = system;
+              crossSystem = s;
+              
+              overlays = [ overlays.default ];
+              config.allowUnfree = true;
             };
           };
-        };
+        }) [ "x86_64-linux" "aarch64-linux" ]);
 
         overlays = {
           default = final: prev: { zeronsd = zeronsd-bin; };

central-api/src/lib.rs

@@ -1,22 +1,33 @@
+VERSION := shell("toml get zeronsd/Cargo.toml package.version")
+DOCKER_TAG := "zeronsd:" + VERSION
+
+version:
+    @echo {{VERSION}}
+
 build:
+    nix build
+
+build-image:
     nix build .#container
+    docker load < result
+    docker tag {{DOCKER_TAG}} zeronsd:latest
 
-dns-ip network:
-    @sudo zerotier-cli -j listnetworks \
+resolve network name:
+    nix run nixpkg#dig @$(zerotier-cli -j listnetworks \
         | jq -r \
             '.[] | select(.id == "{{network}}") \
             | .dns.servers \
             | select(.[] | test("\\d+\\.\\d+\\.\\d+\\.\\d+")) \
-            | last'
+            | last') \
+        {{name}}
 
 run network config="./config.yaml" token="./.central.token": build
     file {{config}}
-    sudo docker load < result
     sudo docker run \
       --net=host \
       --init \
       -v {{config}}:/var/lib/zeronsd/config.yaml \
       -v {{token}}:/var/lib/zeronsd/central.token \
       -v /var/lib/zerotier-one:/var/lib/zerotier-one \
-      zeronsd:latest \
+      zerotier/{{DOCKER_TAG}} \
       zeronsd start -c /var/lib/zeronsd/config.yaml {{network}}