feat(systemd-timesyncd): introducing the systemd-timesyncd module

Introducing the systemd-timesyncd module

Author: johannbg

dracut.spec

@@ -329,6 +329,7 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
 %{dracutlibdir}/modules.d/01systemd-repart
 %{dracutlibdir}/modules.d/01systemd-sysctl
 %{dracutlibdir}/modules.d/01systemd-sysusers
+%{dracutlibdir}/modules.d/01systemd-timesyncd
 %{dracutlibdir}/modules.d/03modsign
 %{dracutlibdir}/modules.d/03rescue
 %{dracutlibdir}/modules.d/04watchdog

modules.d/01systemd-timesyncd/module-setup.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+# This file is part of dracut.
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Prerequisite check(s) for module.
+check() {
+
+    # If the binary(s) requirements are not fulfilled the module can't be installed
+    require_binaries "$systemdutildir"/systemd-timesyncd || return 1
+    require_binaries "$systemdutildir"/systemd-time-wait-sync || return 1
+
+    # Return 255 to only include the module, if another module requires it.
+    return 255
+
+}
+
+# Module dependency requirements.
+depends() {
+
+    # This module has external dependency on other module(s).
+    echo dbus systemd-timedated
+    # Return 0 to include the dependent module(s) in the initramfs.
+    return 0
+
+}
+
+# Install the required file(s) and directories for the module in the initramfs.
+install() {
+
+    # Enable this if networkd ( not the module ) is disabled at build time and you want to use timesyncd
+    # inst_simple "$moddir/timesyncd-tmpfile-dracut.conf" "$tmpfilesdir/timesyncd-tmpfile-dracut.conf"
+
+    inst_multiple -o \
+        "$dbussystem"/org.freedesktop.timesync1.conf \
+        "$dbussystemservices"/org.freedesktop.timesync1.service \
+        "$systemdutildir/ntp-units.d/*.list" \
+        "$systemdutildir"/systemd-timesyncd \
+        "$systemdutildir"/systemd-time-wait-sync \
+        "$systemdutildir/timesyncd.conf.d/*.conf" \
+        "$systemdsystemunitdir"/systemd-timesyncd.service \
+        "$systemdsystemunitdir/systemd-timesyncd.service.d/*.conf" \
+        "$systemdsystemunitdir"/systemd-time-wait-sync.service \
+        "$systemdsystemunitdir/systemd-time-wait-sync.service.d/*.conf"
+
+    # Enable systemd type unit(s)
+    for i in \
+        systemd-timesyncd.service \
+        systemd-time-wait-sync.service; do
+        $SYSTEMCTL -q --root "$initdir" enable "$i"
+    done
+
+    # Install the hosts local user configurations if enabled.
+    if [[ $hostonly ]]; then
+        inst_multiple -H -o \
+            "$systemdutilconfdir/ntp-units.d/*.list" \
+            "$systemdutilconfdir"/timesyncd.conf \
+            "$systemdutilconfdir/timesyncd.conf.d/*.conf" \
+            "$systemdsystemconfdir"/systemd-timesyncd.service \
+            "$systemdsystemconfdir/systemd-timesyncd.service.d/*.conf" \
+            "$systemdsystemunitdir"/systemd-time-wait-sync.service \
+            "$systemdsystemunitdir/systemd-time-wait-sync.service.d/*.conf"
+    fi
+}

modules.d/01systemd-timesyncd/timesyncd-tmpfile-dracut.conf

@@ -0,0 +1,2 @@
+# This file is part of dracut systemd-timesyncd module.
+d /run/systemd/netif/links 0755 root root -