deploy-rs: init support

Managing servers remotely is a big usecase, and deploy-rs is a flake
first deployment tool. By default, all nixosConfigurations are also
setup as deploy-rs nodes.

You'll still need to do some manual ssh setup, but other than that, the
system is ready to deploy.

extern/default.nix

@@ -8,6 +8,9 @@
   overlays = [
     nur.overlay
     devshell.overlay
+    (final: prev: {
+      deploy-rs = deploy.packages.${prev.system}.deploy-rs;
+    })
   ];
 
   # passed to all nixos modules

flake.lock

@@ -27,6 +27,35 @@
         "type": "github"
       }
     },
+    "deploy": {
+      "inputs": {
+        "flake-compat": [
+          "flake-compat"
+        ],
+        "naersk": [
+          "naersk"
+        ],
+        "nixpkgs": [
+          "override"
+        ],
+        "utils": [
+          "utils"
+        ]
+      },
+      "locked": {
+        "lastModified": 1612864896,
+        "narHash": "sha256-pbsvxe05kAWJzPeC6fs4t0Mk8mTZs6u/WQDMBqoA5tA=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "fecc7e723db40c7e056371467275186b3bbb9ef3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
     "devshell": {
       "locked": {
         "lastModified": 1612486691,
@@ -79,6 +108,26 @@
         "type": "github"
       }
     },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "override"
+        ]
+      },
+      "locked": {
+        "lastModified": 1612192764,
+        "narHash": "sha256-7EnLtZQWP6511G1ZPA7FmJlqAr3hWsAYb24tvTvJ/ec=",
+        "owner": "nmattia",
+        "repo": "naersk",
+        "rev": "6e149bfd726a8ebefa415f2d713ba6d942435abd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nmattia",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixos": {
       "locked": {
         "lastModified": 1612690903,
@@ -156,9 +205,11 @@
     "root": {
       "inputs": {
         "ci-agent": "ci-agent",
+        "deploy": "deploy",
         "devshell": "devshell",
         "flake-compat": "flake-compat",
         "home": "home",
+        "naersk": "naersk",
         "nixos": "nixos",
         "nixos-hardware": "nixos-hardware",
         "nur": "nur",

flake.nix

@@ -14,25 +14,33 @@
       ci-agent.inputs.nixos-20_09.follows = "nixos";
       ci-agent.inputs.nixos-unstable.follows = "override";
       ci-agent.inputs.flake-compat.follows = "flake-compat";
+      deploy.url = "github:serokell/deploy-rs";
+      deploy.inputs.utils.follows = "utils";
+      deploy.inputs.naersk.follows = "naersk";
+      deploy.inputs.nixpkgs.follows = "override";
+      deploy.inputs.flake-compat.follows = "flake-compat";
+      naersk.url = "github:nmattia/naersk";
+      naersk.inputs.nixpkgs.follows = "override";
       flake-compat.url = "github:edolstra/flake-compat";
       flake-compat.flake = false;
     };
 
   outputs =
-    inputs@{ self
+    inputs@{ ci-agent
-    , ci-agent
+    , deploy
+    , devshell
     , home
     , nixos
-    , override
-    , utils
-    , nur
-    , devshell
     , nixos-hardware
+    , nur
+    , override
+    , self
+    , utils
     , ...
     }:
     let
       inherit (utils.lib) eachDefaultSystem flattenTreeSystem;
-      inherit (nixos.lib) recursiveUpdate;
+      inherit (nixos.lib) recursiveUpdate mapAttrs;
       inherit (self.lib) overlays nixosModules genPackages genPkgs
         genHomeActivationPackages;
 
@@ -63,6 +71,21 @@
           templates.flk.description = "flk template";
 
           defaultTemplate = self.templates.flk;
+
+          deploy.nodes = mapAttrs
+            (_: config: {
+              hostname = config.config.networking.hostName;
+
+              profiles.system = {
+                user = "root";
+                path = deploy.lib.x86_64-linux.activate.nixos config;
+              };
+            })
+            self.nixosConfigurations;
+
+          checks = builtins.mapAttrs
+            (system: deployLib: deployLib.deployChecks self.deploy)
+            deploy.lib;
         };
 
       systemOutputs = eachDefaultSystem (system:

profiles/core/default.nix

@@ -12,6 +12,7 @@ in
       binutils
       coreutils
       curl
+      deploy-rs
       direnv
       dnsutils
       dosfstools
@@ -22,8 +23,8 @@ in
       iputils
       jq
       manix
-      nix-index
       moreutils
+      nix-index
       nmap
       ripgrep
       tealdeer

shell/default.nix

@@ -23,7 +23,7 @@ pkgs.devshell.mkShell {
     nixos-install
     nixos-generate-config
     nixos-enter
-  ];
+  ] ++ lib.optional (system == "x86_64-linux") deploy-rs;
 
   env = { inherit name; };