From 442f1bdfd0cbfdc10f484584c26940384e8352fe Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Wed, 9 Jan 2019 13:06:52 +0100
Subject: [slx-clock] new module for time-related stuff

evaluates SLX_BIOS_CLOCK and SLX_NTP_SERVER from the openslx config.
---
 builder/modules.d/slx-clock/module-setup.sh        | 13 +++++++++
 .../slx-clock/scripts/configure-timesyncd.sh       | 32 ++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100755 builder/modules.d/slx-clock/module-setup.sh
 create mode 100644 builder/modules.d/slx-clock/scripts/configure-timesyncd.sh

diff --git a/builder/modules.d/slx-clock/module-setup.sh b/builder/modules.d/slx-clock/module-setup.sh
new file mode 100755
index 00000000..50c36fe6
--- /dev/null
+++ b/builder/modules.d/slx-clock/module-setup.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+check() {
+	# Tell dracut that this module should only be included if it is required
+	# explicitly.
+	return 255
+}
+depends() {
+	echo dnbd3-rootfs
+}
+install() {
+	# unpacking config.tgz should be pre-pivot 10, let's do this afterwards
+	inst_hook pre-pivot 50 "$moddir/scripts/configure-timesyncd.sh"
+}
diff --git a/builder/modules.d/slx-clock/scripts/configure-timesyncd.sh b/builder/modules.d/slx-clock/scripts/configure-timesyncd.sh
new file mode 100644
index 00000000..336c26bf
--- /dev/null
+++ b/builder/modules.d/slx-clock/scripts/configure-timesyncd.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+#
+# Evaluate SLX_BIOS_CLOCK and SLX_NTP_SERVER and configure
+# stage4's timesyncd accordingly.
+
+. /etc/openslx
+
+configure_newroot_timesyncd() {
+	if [ "$SLX_BIOS_CLOCK" = "local" ]; then
+		cat > "$NEWROOT/etc/adjtime" <<-EOF
+			0.0 0 0.0
+			0
+			LOCAL
+		EOF
+	elif [ "$SLX_BIOS_CLOCK" = "utc" ]; then
+		[ -e "$NEWROOT/etc/adjtime" ] && rm "$NEWROOT/etc/adjtime"
+	fi
+
+	# NTP servers
+	if [ -n "$SLX_NTP_SERVER" ]; then
+		local TIMESYNCD_DIR="$NEWROOT/etc/systemd/timesyncd.conf.d"
+		mkdir -p "$TIMESYNCD_DIR"
+		(
+		echo "[Time]"
+		echo "NTP=$SLX_NTP_SERVER"
+		) > "${TIMESYNCD_DIR}/00-slx.conf"
+	fi
+}
+
+configure_newroot_timesyncd
+
+true
-- 
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