Use Nix instead of virtualenv

ansible/README.md

@@ -2,10 +2,10 @@
 
 ## Ansible Control Node Setup
 
-In a Python 3 environment (perhaps a venv):
+Run in repository root to use `ansible-*` commands:
 
 ```
-pip install -r requirements.txt
+nix run -c $SHELL
 ```
 
 ## `misc.yaml`

default.nix

@@ -0,0 +1,13 @@
+{
+  pkgs ? import <nixpkgs> {}
+}:
+let
+  paths = with pkgs; [
+    ansible
+    ansible-lint
+  ];
+in
+  pkgs.buildEnv {
+    name = "infrastructure-env";
+    paths = paths;
+  }