nixish v1

.envrc.example

@@ -0,0 +1,6 @@
+# use https://github.com/nix-community/nix-direnv  to load all tools needed to develop in the repository 
+# $ cp .envrc.example .envrc
+# $ direnv allow .
+use flake --impure . 
+
+# alternatively just use `nix develop` or `nix-shell`

.gitignore

@@ -37,3 +37,10 @@ htmlcov/
 .coverage
 .coverage.*
 .cache
+
+# Automated dev env setup - see .envrc.example
+/.envrc
+/.direnv/
+
+# nix 
+/result

flake.nix

@@ -0,0 +1,105 @@
+{
+  description = "ddapm_test_agent";
+  nixConfig.bash-prompt-prefix = "\[ddapm_test_agent\] ";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+    nixpkgs.url = "github:NixOS/nixpkgs/24.05";
+
+
+    ddsketch-flake.url = "github:pawelchcki/sketches-py/pawel/nix";
+
+    nix2containerPkg.url = "github:nlewo/nix2container";
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    , treefmt-nix
+    , ddsketch-flake
+    , nix2containerPkg
+    ,
+    }:
+    flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = nixpkgs.legacyPackages.${system};
+      nix2container = nix2containerPkg.packages.${system}.nix2container;
+      ddsketch = ddsketch-flake.packages.${system}.default;
+
+      python = ddsketch-flake.packages.${system}.python;
+
+      pythonDevEnv = python;
+
+      treefmt = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
+
+      finalApp = python.pkgs.buildPythonApplication rec {
+        name = "ddapm-test-agent";
+        version = "0.0.0";
+        src = ./.;
+
+        doCheck = false;
+
+        propagatedBuildInputs = with python.pkgs; [ aiohttp msgpack ddsketch ];
+        nativeBuildInputs = with python.pkgs; [
+          setuptools
+          setuptools_scm
+          yarl
+          requests
+        ];
+        env.SETUPTOOLS_SCM_PRETEND_VERSION = version;
+      };
+
+      devEnv = pkgs.buildEnv {
+        name = "root";
+        paths = [ pkgs.bashInteractive pkgs.coreutils treefmt.config.build.wrapper pythonDevEnv ];
+        pathsToLink = [ "/bin" ];
+      };
+    in
+    {
+      packages = {
+        python = python;
+        ddsketch = ddsketch-flake;
+        ciContainer = nix2container.buildImage {
+          name = "registry.ddbuild.io/apm-reliability-environment/handmade/nixci";
+
+          copyToRoot = pkgs.buildEnv {
+            name = "root";
+            paths = [ devEnv python.pkgs.pytest ];
+            pathsToLink = [ "/bin" ];
+          };
+        };
+        toolContainer = nix2container.buildImage {
+          name = "registry.ddbuild.io/apm-reliability-environment/handmade/docker-builder";
+          tag = "latest";
+          config = {
+            entrypoint = [ "/bin/docker-builder" ];
+          };
+
+          copyToRoot = pkgs.buildEnv {
+            name = "root";
+            paths = [ finalApp ];
+            pathsToLink = [ "/bin" ];
+          };
+        };
+      };
+
+      packages.default = finalApp;
+      formatter = treefmt.config.build.wrapper;
+
+      devShells.default =
+        pkgs.mkShell
+          {
+            venvDir = "./.venv";
+            nativeBuildInputs = [ pythonDevEnv python.pkgs.venvShellHook ];
+            packages = [
+              devEnv
+              python.pkgs.pytest
+            ];
+            postShellHook = ''
+              export PYTHONPATH="$PYTHONPATH:$(pwd)" # ensuring pytest invocation works
+            '';
+          };
+    });
+}

shell.nix

@@ -0,0 +1 @@
+(builtins.getFlake ("git+file://" + toString ./.)).devShells.${builtins.currentSystem}.default