[slx-partitioner] renamed to slx-dmsetup

1 files changed, 33 insertions, 0 deletions

diff --git a/builder/modules.d/slx-dmsetup/scripts/generate-fstab-swap.sh b/builder/modules.d/slx-dmsetup/scripts/generate-fstab-swap.sh
new file mode 100644
index 00000000..bb37d6cf
--- /dev/null
+++ b/builder/modules.d/slx-dmsetup/scripts/generate-fstab-swap.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#
+# Script to create stage4's fstab entry for swap devices
+#
+# Will use swap partitions of MBR's type '82' or
+# GPT UUID '0657fd6d-a4ab-43c4-84e5-0933c84b4f4f'
+#
+. /etc/openslx
+
+for swap_dev in \
+	$(slx-tools dev_find_partitions "82" "0657fd6d-a4ab-43c4-84e5-0933c84b4f4f"); do
+
+	[ -z "$swap_dev" ] && continue
+
+	# Generate swap fstab entry for NEWROOT. Use priority 10 to prefer zram
+	echo -e "$swap_dev\tswap\t\tswap\t\tx-systemd.makefs,pri=10\t0\t0" \
+		>> "$NEWROOT/etc/fstab"
+	
+	# check if configured not to wipe any existing filesystem
+	[ "$SLX_WIPE_SWAP_DEVICE" = "yes" ] || continue
+
+	# create a drop-in to wipe the device's filesystem
+	swap_dev_systemd_escaped="$(tr '/' '-' <<< ${swap_dev:1})"
+	base_dir="$NEWROOT/etc/systemd/system"
+	dropin_dir="$base_dir/systemd-mkswap@${swap_dev_systemd_escaped}.service.d"
+	mkdir -p "$dropin_dir"
+	cat <<- EOF > "$dropin_dir/wipefs.conf"
+		[Service]
+		ExecStartPre=/sbin/wipefs -a %f
+	EOF
+done
+
+true