From e1788dbd24e0ba9133ef888d009637661070c6ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Geoffrey=20=E2=80=9CFrogeye=E2=80=9D=20Preud=27homme?=
 <geoffrey@frogeye.fr>
Date: Sat, 28 Oct 2023 19:33:40 +0200
Subject: [PATCH] nix: chrony

---
 .../automatrop/roles/system/files/chrony.conf |  7 ----
 .../roles/system/files/dhcpcd.exit-hook       |  5 ---
 config/automatrop/roles/system/tasks/main.yml | 37 -------------------
 config/nix/modules/common.nix                 | 11 +++++-
 config/nix/modules/wireless.nix               |  1 +
 5 files changed, 10 insertions(+), 51 deletions(-)
 delete mode 100644 config/automatrop/roles/system/files/chrony.conf
 delete mode 100644 config/automatrop/roles/system/files/dhcpcd.exit-hook

diff --git a/config/automatrop/roles/system/files/chrony.conf b/config/automatrop/roles/system/files/chrony.conf
deleted file mode 100644
index ed8df86..0000000
--- a/config/automatrop/roles/system/files/chrony.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-server 0.europe.pool.ntp.org offline
-server 1.europe.pool.ntp.org offline
-server 2.europe.pool.ntp.org offline
-server 3.europe.pool.ntp.org offline
-driftfile /etc/chrony.drift
-rtconutc
-rtcsync
diff --git a/config/automatrop/roles/system/files/dhcpcd.exit-hook b/config/automatrop/roles/system/files/dhcpcd.exit-hook
deleted file mode 100644
index 7f08fd8..0000000
--- a/config/automatrop/roles/system/files/dhcpcd.exit-hook
+++ /dev/null
@@ -1,5 +0,0 @@
-if $if_up; then
-	chronyc online
-elif $if_down; then
-	chronyc offline
-fi
diff --git a/config/automatrop/roles/system/tasks/main.yml b/config/automatrop/roles/system/tasks/main.yml
index 7f9ce9f..03cdc0d 100644
--- a/config/automatrop/roles/system/tasks/main.yml
+++ b/config/automatrop/roles/system/tasks/main.yml
@@ -79,43 +79,6 @@
 
 ### STOPPED HERE ###
 
-# Time synchronisation
-
-- name: Mask systemd-timesyncd
-  systemd:
-    name: systemd-timesyncd
-    state: stopped
-    enabled: no
-    masked: yes
-  become: yes
-  notify: etc changed
-
-- name: Configure chrony
-  copy:
-    src: chrony.conf
-    dest: /etc/chrony.conf
-  become: yes
-  notify:
-    - etc changed
-    - chrony reconfigured
-# TODO More configuration, RTC configuration
-
-- name: Enable chronyd
-  systemd:
-    name: chronyd
-    enabled: yes
-  become: yes
-  notify:
-    - etc changed
-    - chrony reconfigured
-
-- name: Configure dhcpcd chrony hook
-  copy:
-    src: dhcpcd.exit-hook
-    dest: /etc/dhcpcd.exit-hook
-  become: yes
-  notify: etc changed
-
 - name: Empty motd
   copy:
     content: ""
diff --git a/config/nix/modules/common.nix b/config/nix/modules/common.nix
index 95fb406..17763ac 100644
--- a/config/nix/modules/common.nix
+++ b/config/nix/modules/common.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 {
   boot.loader.grub.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -142,7 +142,14 @@
     # Enable the OpenSSH daemon
     openssh.enable = true;
     getty.autologinUser = "geoffrey"; # DEBUG
-    chrony.enable = true;
+
+    # Time sychronisation
+    chrony = {
+        enable = true;
+        servers = map (n: "${toString n}.europe.pool.ntp.org") (lib.lists.range 0 3);
+        extraConfig = "rtcsync";
+    };
+
   };
 
   # TEST
diff --git a/config/nix/modules/wireless.nix b/config/nix/modules/wireless.nix
index e68ba94..c583dcf 100644
--- a/config/nix/modules/wireless.nix
+++ b/config/nix/modules/wireless.nix
@@ -11,4 +11,5 @@
     interfaces = ["eth0"];
   };
   environment.systemPackages = with pkgs; [ wirelesstools ];
+  services.chrony.serverOption = "offline";
 }