Experimenting with deploy-rs, DO NOT USE.

Deploy-rs ultimately did not work for us. It seems to break when
trying to push the flake to remote machines.

Leaving here for historical purposes.

nixos-configs/deploy-rs/flake.lock

@@ -0,0 +1,95 @@
+{
+  "nodes": {
+    "deploy-rs": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1674127017,
+        "narHash": "sha256-QO1xF7stu5ZMDLbHN30LFolMAwY6TVlzYvQoUs1RD68=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "8c9ea9605eed20528bf60fae35a2b613b901fd77",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1671417167,
+        "narHash": "sha256-JkHam6WQOwZN1t2C2sbp1TqMv3TVRjzrdoejqfefwrM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bb31220cca6d044baa6dc2715b07497a2a7c4bc7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1672580127,
+        "narHash": "sha256-3lW3xZslREhJogoOkjeZtlBtvFMyxHku7I/9IVehhT8=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0874168639713f547c05947c76124f78441ea46c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "deploy-rs": "deploy-rs",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nixos-configs/deploy-rs/flake.nix

@@ -1,23 +1,40 @@
 {
   description = "Test deployment for my server cluster";
 
-  # For accessing `deploy-rs`'s utility Nix functions
-  inputs.deploy-rs.url = "github:serokell/deploy-rs";
+  inputs = {
+    nixpkgs.url =
+      "github:nixos/nixpkgs/nixos-22.05"; # change this to your desired NixOS version
+    # For accessing `deploy-rs`'s utility Nix functions    
+    deploy-rs.url = "github:serokell/deploy-rs";
+  };
 
   outputs = { self, nixpkgs, deploy-rs }: {
-    nixosConfigurations.seraph = nixpkgs.lib.nixosSystem {
+    nixosConfigurations.exgod = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
-      modules = [ ../hosts/seraph/configuration.nix ];
+      modules = [ ../hosts/exgod/configuration.nix ];
     };
 
-    deploy.nodes.seraph.profiles.system = {
+    deploy.nodes.exgod = {
+      hostname = "exgod";
       user = "alice";
       sshUser = "alice";
+      magicRollback = false;
       remoteBuild = false;
-      path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.some-random-system;
+      path = deploy-rs.lib.x86_64-linux.activate.nixos
+        self.nixosConfigurations.exgod;
+
+      # This forces ssh to connect over IPv4.
+      sshOpts = [ "-4" ];
+
+      profiles.system = {
+        path = deploy-rs.lib.x86_64-linux.activate.nixos
+          self.nixosConfigurations.exgod;
+      };
     };
 
     # This is highly advised, and will prevent many possible mistakes
-    checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
+    checks =
+      builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy)
+      deploy-rs.lib;
   };
 }