From ff60820c9a2c14ca9a14a0787f3b57007cff2119 Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Tue, 6 Mar 2018 14:26:07 +0100
Subject: new module to format newroot's /tmp

Uses SLX_TMP_PARTITION_IDENTIFIER from the openslx configuration file to detect which partition to format.
Formatting is done either by the command in SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND, if set, or by either mkfs.xfs or mkfs.ext4 as fallbacks
---
 .../scripts/format_openslx_tmp.sh                  | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 builder/modules.d/openslx_tmp_format/scripts/format_openslx_tmp.sh

(limited to 'builder/modules.d/openslx_tmp_format/scripts')

diff --git a/builder/modules.d/openslx_tmp_format/scripts/format_openslx_tmp.sh b/builder/modules.d/openslx_tmp_format/scripts/format_openslx_tmp.sh
new file mode 100755
index 00000000..26b6cb81
--- /dev/null
+++ b/builder/modules.d/openslx_tmp_format/scripts/format_openslx_tmp.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+#
+# Formats the partition used for "${NEWROOT}/tmp"
+# using filesystem given as SLX_TMP_PARTITION_FILESYSTEM
+# if possible. If not, it tries xfs and ext4 as fallbacks.
+
+command -v emergency_shell >/dev/null || source /lib/dracut-lib.sh
+
+. /etc/openslx
+
+if [ -z "${SLX_TMP_PARTITION_IDENTIFIER}" ]; then
+	emergency_shell "[${BASH_SOURCE[0]}] \
+		SLX_TMP_PARTITION_IDENTIFIER not set!"
+fi
+SLX_TMP_PARTITION_DEVICE="/dev/disk/by-partlabel/${SLX_TMP_PARTITION_IDENTIFIER}"
+if [ ! -b "$(readlink -f ${SLX_TMP_PARTITION_DEVICE})" ]; then
+	emergency_shell "[${BASH_SOURCE[0]}] \
+		'${SLX_TMP_PARTITION_DEVICE}' does not point to a block device"
+fi
+
+if [ -z "${SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND}" ] || \
+		! command -v "${SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND%%\ *}" >/dev/null; then
+	if command -v mkfs.xfs >/dev/null; then
+		SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND="mkfs.xfs -f"
+	elif command -v mkfs.ext4 >/dev/null; then
+		SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND="mkfs.ext4 -F"
+	else
+		emergency_shell "[${BASH_SOURCE[0]}] No suitable mkfs command found!"
+	fi
+fi
+
+if ! ${SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND} "${SLX_TMP_PARTITION_DEVICE}"; then
+	emergency_shell "[${BASH_SOURCE[0]}] \
+		Failed to format '${SLX_TMP_PARTITION_DEVICE}' using: \
+		${SLX_TMP_PARTITION_FILESYSTEM_CREATE_COMMAND}"
+fi
+
+exit 0
-- 
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