home (terminal): Configure ssh for easier access to my homelab

home/terminal/default.nix

@@ -16,6 +16,7 @@ in {
     ./gpg
     ./helix.nix
     ./nvim
+    ./ssh.nix
     ./tmux.nix
     ./tools.nix
     ./yazi.nix
@@ -35,6 +36,7 @@ in {
       gpg.enable = true;
       helix.enable = true;
       nvim.enable = true;
+      ssh.enable = true;
       tmux.enable = true;
       tools.enable = true;
       yazi.enable = true;

home/terminal/ssh.nix

@@ -0,0 +1,57 @@
+{
+  config,
+  lib,
+  osConfig,
+  ...
+}: let
+  cfg = config.my.home.terminal.ssh;
+in {
+  options.my.home.terminal.ssh = {
+    enable = lib.mkEnableOption "ssh";
+  };
+  config = lib.mkIf cfg.enable {
+    programs.ssh = {
+      enable = true;
+      matchBlocks = let
+        sshDirectory = "${config.home.homeDirectory}/.ssh";
+        privateKey = "${sshDirectory}/id_ed25519";
+      in {
+        "github.com" = {
+          hostname = "github.com";
+          identityFile = privateKey;
+          identitiesOnly = true;
+        };
+        directions = {
+          hostname = osConfig.my.homelab.directions.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+        "srv-prod-1" = {
+          hostname = osConfig.my.homelab.srv-prod-1.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+        "srv-prod-2" = {
+          hostname = osConfig.my.homelab.srv-prod-2.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+        "srv-test-1" = {
+          hostname = osConfig.my.homelab.srv-test-1.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+        "srv-test-2" = {
+          hostname = osConfig.my.homelab.srv-test-2.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+        "srv-eval-1" = {
+          hostname = osConfig.my.homelab.srv-eval-1.ip;
+          identityFile = privateKey;
+          user = "root";
+        };
+      };
+    };
+  };
+}