config: add deploy.nodes to output

Welp, now I'm using NixOS for my servers. One step closer to managing an
entire cluster with this.

flake.lock

@@ -49,6 +49,28 @@
         "type": "github"
       }
     },
+    "deploy": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1659725433,
+        "narHash": "sha256-1ZxuK67TL29YLw88vQ18Y2Y6iYg8Jb7I6/HVzmNB6nM=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "41f15759dd8b638e7b4f299730d94d5aa46ab7eb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
     "devshell": {
       "inputs": {
         "flake-utils": [
@@ -188,6 +210,22 @@
       }
     },
     "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1648199409,
+        "narHash": "sha256-JwPKdC2PoVBkG6E+eWw3j6BMR6sL3COpYWfif7RVb8Y=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "64a525ee38886ab9028e6f61790de0832aa3ef03",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
       "flake": false,
       "locked": {
         "lastModified": 1650374568,
@@ -380,7 +418,7 @@
     },
     "neovim-nightly-overlay": {
       "inputs": {
-        "flake-compat": "flake-compat",
+        "flake-compat": "flake-compat_2",
         "neovim-flake": "neovim-flake",
         "nixpkgs": [
           "nixpkgs"
@@ -447,7 +485,7 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "utils": "utils"
+        "utils": "utils_2"
       },
       "locked": {
         "lastModified": 1652641841,
@@ -579,6 +617,7 @@
     },
     "root": {
       "inputs": {
+        "deploy": "deploy",
         "devshell": "devshell",
         "dotfiles": "dotfiles",
         "emacs-overlay": "emacs-overlay",
@@ -664,6 +703,21 @@
       }
     },
     "utils": {
+      "locked": {
+        "lastModified": 1648297722,
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "utils_2": {
       "locked": {
         "lastModified": 1652372896,
         "narHash": "sha256-lURGussfF3mGrFPQT3zgW7+RC0pBhbHzco0C7I+ilow=",

flake.nix

@@ -71,6 +71,11 @@
 
     # Generating an entire flavored themes with Nix?
     nix-colors.url = "github:misterio77/nix-colors";
+
+    # Deploying stuff with Nix. This is becoming a monorepo for everything I
+    # need and I'm liking it.
+    deploy.url = "github:serokell/deploy-rs";
+    deploy.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = inputs@{ self, nixpkgs, ... }:
@@ -384,5 +389,26 @@
       # feel like it does.
       formatter =
         forAllSystems (system: nixpkgs.legacyPackages.${system}.nixpkgs-fmt);
+
+      # nixops-lite... in here!?! We got it all, son!
+      #
+      # Take note for automatically imported nodes, various options should be
+      # overridden in the deploy utility considering that most have only
+      # certain values and likely not work if run with the intended value.
+      deploy.nodes = (lib'.mapAttrs' (name: value:
+        lib'.nameValuePair name {
+          hostname = name;
+          profiles.system = {
+            sshUser = "admin";
+            user = "root";
+            path = inputs.deploy.lib.${defaultSystem}.activate.nixos value;
+          };
+        }) self.nixosConfigurations);
+
+      # How to make yourself slightly saner than before. So far the main checks
+      # are for deploy nodes.
+      checks = lib'.mapAttrs
+        (system: deployLib: deployLib.deployChecks self.deploy)
+        inputs.deploy.lib;
     };
 }