add nixos-factor

flake.nix

@@ -29,6 +29,7 @@
     nix-darwin.url = "github:LnL7/nix-darwin";
     nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
     nix-index-database.url = "github:nix-community/nix-index-database";
+    nixos-facter-modules.url = "github:numtide/nixos-facter-modules";
     nixpkgs-update-github-releases.flake = false;
     nixpkgs-update-github-releases.url = "github:nix-community/nixpkgs-update-github-releases";
     nixpkgs-update.inputs.mmdoc.follows = "empty";

modules/nixos/common/facter.nix

@@ -0,0 +1,14 @@
+{
+  config,
+  inputs,
+  lib,
+  ...
+}:
+let
+  report = "${inputs.self}/hosts/${config.networking.hostName}/report.json";
+in
+{
+  imports = [ inputs.nixos-facter-modules.nixosModules.facter ];
+
+  facter.reportPath = lib.mkIf (builtins.pathExists report) report;
+}

tasks.py

@@ -43,6 +43,27 @@ def deploy(h: DeployHost) -> None:
     g.run_function(deploy)
 
 
+@task
+def facter_report(c: Any, hosts: str = "") -> None:
+    """
+    Generate facter report
+    """
+    g = DeployGroup(get_hosts(hosts))
+
+    def facter(h: DeployHost) -> None:
+        res = h.run(
+            ["sudo", "nix", "run", "nixpkgs#nixos-facter"],
+            stdout=subprocess.PIPE,
+        )
+        hostname = h.host.replace(".nix-community.org", "")
+        path = f"{ROOT}/hosts/{hostname}/report.json"
+        with open(path, "w") as f:
+            f.write(res.stdout)
+        # h.run_local(f"jq -c < {path} | sponge {path}")
+
+    g.run_function(facter)
+
+
 @task
 def sotp(c: Any, acct: str) -> None:
     """