From de77c3f1bb6ecf1b3ac39bd79a69c62a7d8f728f Mon Sep 17 00:00:00 2001
From: Peter Esselius <peter.esselius@pagero.com>
Date: Sun, 14 Jul 2024 20:59:42 +0200
Subject: [PATCH] wip

---
 .github/workflows/ci.yaml                  | 66 ++++++++++++++++++++++
 dag.py                                     | 44 +++++++++++++++
 flake.nix                                  |  4 +-
 {tests => nixos-tests}/monitoring-auth.nix |  6 +-
 4 files changed, 115 insertions(+), 5 deletions(-)
 create mode 100644 .github/workflows/ci.yaml
 create mode 100644 dag.py
 rename {tests => nixos-tests}/monitoring-auth.nix (98%)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..8e4eae8
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,66 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  generate-matrix:
+    name: Generate job matrices
+    runs-on: ubuntu-latest
+    outputs:
+      darwin-configurations: ${{ steps.x.outputs.matrix }}
+      darwin-modules: ${{ steps.x.outputs.matrix }}
+      home-configurations: ${{ steps.x.outputs.matrix }}
+      home-modules: ${{ steps.x.outputs.matrix }}
+      nixos-configurations: ${{ steps.x.outputs.matrix }}
+      nixos-modules: ${{ steps.x.outputs.matrix }}
+      nixos-tests: ${{ steps.x.outputs.matrix }}
+    steps:
+      - name: Get changes
+        id: changed-files
+        uses: tj-actions/changed-files@v44
+        with:
+          dir_names_max_depth: 1
+          dir_names: true
+          matrix: true
+
+      # nix
+
+      # - name: Generate matrix | Infrastructure
+      #   id: neo-infrastructure
+      #   uses: hellofresh/action-changed-files@v3
+      #   with:
+      #       pattern: infrastructure/(?P<environment>[^/]+)
+      #       default-patterns: |
+      #           terraform-modules
+      #           deploy.sh
+
+      # - name: Generate matrix | Library
+      #   id: neo-library
+      #   uses: hellofresh/action-changed-files@v3
+      #   with:
+      #       pattern: library/(?P<lib>(?!common)[^/]+)
+      #       default-patterns: |
+      #           library/common
+
+  # infrastructure:
+  #   runs-on: ubuntu-latest
+  #   needs: [ generate-matrix ] # don't forget this!
+  #   strategy:
+  #     matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix-infrastructure) }}
+  #   if: ${{ fromJson(needs.generate-matrix.outputs.matrix-infrastructure).include[0] }} # skip if the matrix is empty!
+  #   steps:
+  #       - name: Deploy infrastructure
+  #         run: echo "Deploying ${{ matrix.environment }}"
+
+  # build:
+  #   runs-on: ubuntu-latest
+  #   needs: [ generate-matrix ]
+  #   strategy:
+  #     matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix-build) }}
+  #   if: ${{ fromJson(needs.generate-matrix.outputs.matrix-build).include[0] }}
+  #   steps:
+  #       - name: Building library
+  #         run: echo "Building ${{ matrix.lib }}"
diff --git a/dag.py b/dag.py
new file mode 100644
index 0000000..e926f3f
--- /dev/null
+++ b/dag.py
@@ -0,0 +1,44 @@
+import os
+import re
+
+import networkx as nx
+
+moduleSystems = ["darwin", "home", "nixos"]
+moduleTypes = ["configurations", "modules", "tests"]
+ezModulePattern = re.compile(r"ezModules.([a-zA-Z-1-9]+)")
+inputsModulePattern = re.compile(r"[^-]inputs.([a-zA-Z-1-9]+)")
+
+G = nx.Graph()
+
+for ms in moduleSystems:
+    for mt in moduleTypes:
+        folder = f"{ms}-{mt}"
+
+        if os.path.exists(folder):
+            for fd in os.scandir(folder):
+                module = folder + "/" + fd.name.removesuffix(".nix")
+
+                if mt == "configurations":
+                    defaultModule = f"{ms}-modules/default"
+                    G.add_edge(module, defaultModule)
+
+                if fd.name.endswith(".nix"):
+                    with open(fd, encoding="utf-8") as f:
+                        data = f.read()
+                        for match in re.finditer(ezModulePattern, data):
+                            dep = f"{ms}-modules/{match.group(1)}"
+                            G.add_edge(module, dep)
+
+                        for match in re.finditer(inputsModulePattern, data):
+                            dep = f"inputs/{match.group(1)}"
+                            G.add_edge(module, dep)
+                else:
+                    for sub_fd in os.scandir(fd.path):
+                        with open(sub_fd, encoding="utf-8") as f:
+                            data = f.read()
+                            for match in re.finditer(ezModulePattern, data):
+                                dep = f"{ms}-modules/{match.group(1)}"
+                                G.add_edge(module, dep)
+
+print(G.nodes)
+print(nx.shortest_path(G, "darwin-configurations/Fox", "inputs/nixpkgs-unstable"))
diff --git a/flake.nix b/flake.nix
index 25b47a8..bc79f97 100644
--- a/flake.nix
+++ b/flake.nix
@@ -47,10 +47,10 @@
       };
       perSystem = { pkgs, ... }: {
         nixosTests = {
-          path = ./tests;
+          path = ./nixos-tests;
           args = {
             inherit inputs;
-            myModules = self.nixosModules;
+            ezModules = self.nixosModules;
           };
           env = {
             PLAYWRIGHT_BROWSERS_PATH = pkgs.playwright-driver.browsers;
diff --git a/tests/monitoring-auth.nix b/nixos-tests/monitoring-auth.nix
similarity index 98%
rename from tests/monitoring-auth.nix
rename to nixos-tests/monitoring-auth.nix
index c3fe893..6413560 100644
--- a/tests/monitoring-auth.nix
+++ b/nixos-tests/monitoring-auth.nix
@@ -1,4 +1,4 @@
-{ myModules, inputs, ... }:
+{ ezModules, inputs, ... }:
 
 {
   name = "monitoring-auth";
@@ -13,8 +13,8 @@
     imports = [
       inputs.authentik-nix.nixosModules.default
 
-      myModules.authentik-blueprints
-      myModules.profiles
+      ezModules.authentik-blueprints
+      ezModules.profiles
     ];
 
     networking.firewall.enable = false;