Use conditional identityFile in SSH host configs

flakes/common/hm_modules/ssh.nix

@@ -16,10 +16,6 @@ in
   # TODO can I put all IP's in the flake.nix top level settings and pull them in here instead?
   programs.ssh = {
     enable = true;
-    extraConfig = ''
-      Host *
-        SetEnv TERM=xterm-256color
-    '';
     enableDefaultConfig = false;
     matchBlocks = {
       "*" = {
@@ -36,6 +32,9 @@ in
         extraOptions = {
           StrictHostKeyChecking = "accept-new";
         };
+        setEnv = {
+          TERM = "xterm-256color";
+        };
       };
 
       # EXTERNAL
@@ -45,43 +44,30 @@ in
       "bitbucket.org" = lib.mkIf (hasSecret "nix2bitbucket") {
         identityFile = age.secrets.nix2bitbucket.path;
       };
-      # "git.joshuabell.xyz" =  lib.mkIf (hasSecret "nix2gitjosh") { # TODO remove old
-      #   identityFile = age.secrets.nix2gitjosh.path;
-      #   user = "git";
-      # };
-      "git.joshuabell.xyz" = lib.mkIf (hasSecret "nix2gitforgejo") {
-        identityFile = age.secrets.nix2gitforgejo.path;
+      "git.joshuabell.xyz" = {
+        identityFile = lib.mkIf (hasSecret "nix2gitforgejo") age.secrets.nix2gitforgejo.path;
         user = "git";
       };
       # PERSONAL DEVICES
-      "lio" = lib.mkIf (hasSecret "nix2lio") {
-        identityFile = age.secrets.nix2lio.path;
+      "lio" = {
+        identityFile = lib.mkIf (hasSecret "nix2lio") age.secrets.nix2lio.path;
         user = "josh";
-        extraOptions = {
-          "PubkeyAcceptedKeyTypes" = "ssh-ed25519";
-          "ServerAliveInterval" = "60";
-          "IPQoS" = "throughput";
       };
-      };
-      "lio_" = lib.mkIf (hasSecret "nix2lio") {
-        identityFile = age.secrets.nix2lio.path;
+      "lio_" = {
+        identityFile = lib.mkIf (hasSecret "nix2lio") age.secrets.nix2lio.path;
         hostname = "10.12.14.116";
         user = "josh";
       };
-      "oren" = lib.mkIf (hasSecret "nix2oren") {
-        identityFile = age.secrets.nix2oren.path;
+      "oren" = {
+        identityFile = lib.mkIf (hasSecret "nix2oren") age.secrets.nix2oren.path;
         user = "josh";
       };
-      "joe" = lib.mkIf (hasSecret "nix2joe") {
-        identityFile = age.secrets.nix2joe.path;
-        user = "ringo";
-      };
-      "gp3" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
+      "gp3" = {
+        identityFile = lib.mkIf (hasSecret "nix2gpdPocket3") age.secrets.nix2gpdPocket3.path;
         user = "josh";
       };
-      "t" = lib.mkIf (hasSecret "nix2t") {
-        identityFile = age.secrets.nix2t.path;
+      "t" = {
+        identityFile = lib.mkIf (hasSecret "nix2t") age.secrets.nix2t.path;
         user = "joshua.bell";
         localForwards = [
           {
@@ -94,8 +80,8 @@ in
           TERM = "vt100";
         };
       };
-      "t_" = lib.mkIf (hasSecret "nix2t") {
-        identityFile = age.secrets.nix2t.path;
+      "t_" = {
+        identityFile = lib.mkIf (hasSecret "nix2t") age.secrets.nix2t.path;
         hostname = "10.12.14.181";
         user = "joshua.bell";
         localForwards = [
@@ -109,33 +95,6 @@ in
           TERM = "vt100";
         };
       };
-      "mbptv" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
-        user = "waka";
-        setEnv = {
-          TERM = "vt100";
-        };
-      };
-      "mbptv_" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
-        hostname = "10.12.14.30";
-        user = "waka";
-        setEnv = {
-          TERM = "vt100";
-        };
-      };
-      "nothing1" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
-        user = "TODO";
-      };
-      "tab1" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
-        user = "TODO";
-      };
-      "pixel6" = lib.mkIf (hasSecret "nix2gpdPocket3") {
-        identityFile = age.secrets.nix2gpdPocket3.path;
-        user = "TODO";
-      };
       # HOME SERVERS
       "h001" = lib.mkIf (hasSecret "nix2h001") {
         identityFile = age.secrets.nix2h001.path;

flakes/secrets-bao/flake.nix

@@ -27,6 +27,35 @@
             ) secrets);
           in
           builtins.foldl' (acc: v: acc // v) { } fragments;
+
+        applyHmChanges = secrets:
+          let
+            substitute = secretPath: value:
+              if builtins.isAttrs value then
+                builtins.mapAttrs (_: v: substitute secretPath v) value
+              else if builtins.isList value then
+                map (v: substitute secretPath v) value
+              else if builtins.isString value then
+                builtins.replaceStrings [ "$SECRET_PATH" ] [ secretPath ] value
+              else
+                value;
+
+            fragments = builtins.attrValues (builtins.mapAttrs (
+              name: s:
+              let
+                secretPath = s.path or ("/run/secrets/" + name);
+              in
+              substitute secretPath (s.hmChanges or { })
+            ) secrets);
+
+            merged = builtins.foldl' (acc: v: acc // v) { } fragments;
+          in
+          if merged == { } then
+            { }
+          else
+            {
+              home-manager.sharedModules = [ (_: merged) ];
+            };
       };
 
       nixosModules = {

flakes/secrets-bao/nixos-module.nix

@@ -19,7 +19,7 @@ let
     request_roles="${if cfg.requestProjectRoles then "true" else "false"}"
 
     debug() {
-      if [ "$debug_enabled" = "true" ] || [ -n "${DEBUG:-}" ]; then
+      if [ "$debug_enabled" = "true" ] || [ -n "${"DEBUG:-"}" ]; then
         echo "[zitadel-mint] $*" >&2
       fi
     }
@@ -157,7 +157,7 @@ let
 
     debug "selected=$token_source"
 
-    if [ "${toString cfg.debugMint}" = "true" ] || [ -n "${DEBUG:-}" ]; then
+    if [ "${toString cfg.debugMint}" = "true" ] || [ -n "${"DEBUG:-"}" ]; then
       payload="$(decode_payload "$token")"
       if [ -n "$payload" ]; then
         debug "jwt.payload=$(echo "$payload" | ${pkgs.jq}/bin/jq -c '.')"
@@ -354,7 +354,7 @@ in
 
               kvPath = lib.mkOption {
                 type = lib.types.nullOr lib.types.str;
-                default = null;
+                default = "kv/data/machines/home_roaming/${name}";
                 description = "KV v2 secret API path (ex: kv/data/machines/home_roaming/nix2github).";
               };
 
@@ -373,7 +373,13 @@ in
               configChanges = lib.mkOption {
                 type = lib.types.attrs;
                 default = { };
-                description = "Extra config applied when enabled; supports '$SECRET_PATH' string substitution.";
+                description = "Extra NixOS config applied when enabled; supports '$SECRET_PATH' string substitution.";
+              };
+
+              hmChanges = lib.mkOption {
+                type = lib.types.attrs;
+                default = { };
+                description = "Extra Home Manager config applied when enabled; supports '$SECRET_PATH' string substitution.";
               };
 
               template = lib.mkOption {
@@ -397,7 +403,6 @@ in
           message = "ringofstorms.secretsBao.secrets.${name} must set either template or kvPath";
         }) cfg.secrets;
 
-
         environment.systemPackages = [
           pkgs.jq
           pkgs.curl
@@ -578,10 +583,12 @@ in
                     exit 1
                   fi
 
-                  ${lib.concatStringsSep "\n" (map (svc: ''
+                  ${lib.concatStringsSep "\n" (
+                    map (svc: ''
                       echo "Restarting ${svc} due to secret ${name}" >&2
                       systemctl try-restart ${lib.escapeShellArg (svc + ".service")} || true
-                  '') secret.dependencies)}
+                    '') secret.dependencies
+                  )}
                 '';
               };
             }