Move over stuff from nixos-servers

2024-09-07 21:59:41 +02:00 · 2024-09-07 21:59:41 +02:00 · 0cc17722cb
commit 0cc17722cb
parent cdec5a64aa
8 changed files with 330 additions and 446 deletions
--- a/kubenix.nix
+++ b/kubenix.nix
@ -0,0 +1,72 @@
+inputs@{ servers, flutils, nixpkgs, kubenix, ... }: flutils.lib.eachDefaultSystem
+  (system:
+  let
+    pkgs = nixpkgs.legacyPackages.${system};
+    deployScript = (pkgs.writeScriptBin "applyset-deploy.sh" (builtins.readFile ./applyset-deploy.sh)).overrideAttrs (old: {
+      buildCommand = "${old.buildCommand}\npatchShebangs $out";
+    });
+
+    machines = servers.machines.${system};
+
+    mkKubernetes = name: module: namespace: (kubenix.evalModules.${system} {
+      specialArgs = {
+        inherit namespace system machines;
+        inherit (servers) globals;
+        inherit (inputs) nixhelm blog-pim dns;
+      };
+
+      module = { kubenix, ... }:
+        {
+          imports = [
+            kubenix.modules.k8s
+            kubenix.modules.helm
+            ./modules
+            module
+          ];
+
+          config = {
+            kubenix.project = name;
+            kubernetes.namespace = namespace;
+          };
+        };
+    }).config.kubernetes;
+
+    mkManifest = name: { module, namespace }: {
+      name = "${name}-manifest";
+      value = (mkKubernetes name module namespace).result;
+    };
+
+    mkDeployApp = name: { module, namespace }:
+      let
+        kubernetes = mkKubernetes name module namespace;
+        kubeconfig = kubernetes.kubeconfig or "";
+        result = kubernetes.result or "";
+
+        wrappedDeployScript = pkgs.symlinkJoin
+          {
+            name = "applyset-deploy.sh";
+            paths = [ deployScript pkgs.vals pkgs.kubectl ];
+            buildInputs = [ pkgs.makeWrapper ];
+            passthru.manifest = result;
+            meta.mainProgram = "applyset-deploy.sh";
+
+            postBuild = ''
+              wrapProgram $out/bin/applyset-deploy.sh \
+                --suffix PATH : "$out/bin" \
+                --run 'export KUBECONFIG=''${KUBECONFIG:-${toString kubeconfig}}' \
+                --set MANIFEST '${result}' \
+                --set APPLYSET 'applyset-${name}' \
+                --set NAMESPACE '${namespace}'
+            '';
+          };
+      in
+      {
+        name = "${name}-deploy";
+        value = wrappedDeployScript;
+      };
+
+    deployments = import ./deployments.nix;
+  in
+  {
+    packages = pkgs.lib.mergeAttrs (pkgs.lib.mapAttrs' mkDeployApp deployments) (pkgs.lib.mapAttrs' mkManifest deployments);
+  })