[gdisk] prototyp module for gdisk to handle GPT partitions

3 files changed, 480 insertions, 0 deletions

diff --git a/remote/modules/gdisk/data/inc/prepare_localhd.functions b/remote/modules/gdisk/data/inc/prepare_localhd.functions
new file mode 100755
index 00000000..45075ab0
--- /dev/null
+++ b/remote/modules/gdisk/data/inc/prepare_localhd.functions
@@ -0,0 +1,163 @@
+#!/bin/ash
+# Copyright (c) 2014 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found under http://openslx.org
+#
+# Local hard disk autodetection script for OpenSLX linux stateless clients,
+# detecting special GPT partitions
+
+#############################################################################
+
+# Patition IDs
+# Prefix for all paritions is 0FC63DAF-8483-4772-8E79-9999999999
+# Suffix:
+#  44: non-persistent scratch partition
+#  45: persistent partiton
+#  46: non-persistent openslx partition for config, overlayfs and qcow images
+
+# We use special non assigned partition type for harddisk scratch
+# space, thus no normal filesystem will be incidentally deleted or
+# corrupted
+
+# Set disks to none
+ID44=
+ID45=
+ID46=
+
+# General formatter for the /tmp partition on a local harddisk
+diskfm () {
+	mopt="" # Global var!
+	local target="$1"
+	local fslist="xfs jfs ext4"
+	local fs
+	local path
+	[ $# -ge 2 ] && fslist="$2"
+	for fs in $fslist ; do
+		unset available
+		case $(cat /proc/filesystems) in
+			*${fs}*) available=yes;;
+			*) modprobe "${fs}" && available=yes;;
+		esac
+		if [ -n "${available}" ]; then
+			unset found
+			if which "mkfs.$fs" >/dev/null; then
+				found=yes
+				case "mkfs.$fs" in
+					mkfs.xfs)
+						fopt="-fq"
+					;;
+					mkfs.jfs)
+						fopt="-q"
+					;;
+					mkfs.ext4)
+						fopt="-Fq"
+					;;
+				esac
+				mkfs.$fs ${fopt} "${target}" 
+			fi
+			[ -n "$found" ] && break
+		fi
+	done
+}
+
+# function format_pid () 
+# Formats partition with id 44, 45, 46
+# expects id as parameter
+# usage: format_pid [44|45|46]
+format_pid () {
+	local fmtpid=$1
+	local target
+	case $fmtpid in
+		44)
+			target=$ID44
+		;;
+		45)
+			target=$ID45
+		;;
+		46)
+			target=$ID46
+		;;
+	esac
+	if echo $target | grep -q '/dev/disk/'
+		then
+		# check for supported filesystem and formatter
+		diskfm $target
+	else
+		echo "Could not format partition ID $fmtpid"
+	fi
+}
+
+# function mount_pid () 
+# Mounts partition with id 44, 45, 46
+# expects id and mountpoint as parameter
+# usage: mount_pid [44|45|46] $MNT
+mount_pid () {
+	local mntpid=$1
+	local target=$2
+	local source
+	if [ "x$2" = "x" ]
+		then
+		echo "No mountpoint specified dummy!"
+	else
+		case $mntpid in
+			44)
+				source=$ID44
+			;;
+			45)
+				source=$ID45
+			;;
+			46)
+				source=$ID46
+			;;
+		esac
+		mkdir -p $target
+		if busybox mount -t auto "$source" "$target"
+			then
+			[ "x$mntpid}" = "x44" ] && chmod a+rwxt $target
+			if echo "$target" | grep -Eq "^mnt/|^/mnt/"
+				then
+				fstabtarget=$(echo $target | sed -re "s/[/]{0,1}mnt//")
+				echo -e "$source\t$fstabtarget\tauto\tnoexec\t0 0" \
+				  >>/mnt/etc/fstab
+			fi
+		else
+			echo "Could not mount partition ID $mntpid"
+		fi
+	fi
+}
+
+# Get partition types
+hdisks=$(ls /dev/disk/by-path/*-part[0-9]* \
+         | sed -re "s,(.*)-part[0-9]*,\1," \
+         | sort -u)
+
+if echo $hdisks | grep -q '/dev/disk/'
+	then
+	for hd in $(echo $hdisks)
+		do
+		upartid=$(sgdisk -p $hd 2>/dev/null | awk '$6~/FFFF/ {print $1}')
+		for upt in $(echo $upartid)
+			do
+			echo "${hd}-part${upt} $(sgdisk -i $upt $hd)" \
+			  | awk '$5 ~ /0FC63DAF-8483-4772-8E79-[0]{10}4[4-6]/ \
+			         {print $5 "=" $1}' \
+			  | sed -re "s,0FC63DAF-8483-4772-8E79-[0]{10},ID," \
+			  >> /etc/hdisks.conf
+		done
+	done
+        if [ -r /etc/hdisks.conf ]
+		then
+		. /etc/hdisks.conf
+		echo -e "Partitions found:\n$(cat /etc/hdisks.conf | cut -d'=' -f1)"
+	else
+		echo "No pratition IDs 44, 45 or 46 found"
+	fi
+
+fi
+
diff --git a/remote/modules/gdisk/data/inc/setup_gpt.differentapproach b/remote/modules/gdisk/data/inc/setup_gpt.differentapproach
new file mode 100755
index 00000000..25b8dda3
--- /dev/null
+++ b/remote/modules/gdisk/data/inc/setup_gpt.differentapproach
@@ -0,0 +1,157 @@
+#!/bin/ash
+# Copyright (c) 2014 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found under http://openslx.org
+#
+# Local hard disk autodetection script for OpenSLX linux stateless clients,
+# detecting special GPT partitions
+
+#############################################################################
+
+# Patition IDs
+# Prefix for all paritions is 0FC63DAF-8483-4772-8E79-9999999999
+# Suffix:
+#  44: non-persistent scratch partition
+#  45: persistent partiton
+#  46: non-persistent openslx partition for config, overlayfs and qcow images
+
+# We use special non assigned partition type for harddisk scratch
+# space, thus no normal filesystem will be incidentally deleted or
+# corrupted
+
+PREFIX=/mnt
+
+# Set disks to none
+ID44=
+ID45=
+ID46=
+
+# Mountpoints
+ID44MNT=/tmp
+ID45MNT=/opt/openslx/mnt/persistent
+ID46MNT=/opt/openslx/mnt/non-persistent
+
+# General formatter for the /tmp partition on a local harddisk
+diskfm () {
+	mopt="" # Global var!
+	local target="$1"
+	local fslist="xfs jfs ext4"
+	local fs
+	local path
+	[ $# -ge 2 ] && fslist="$2"
+	for fs in $fslist ; do
+		unset available
+		case $(cat /proc/filesystems) in
+			*${fs}*) available=yes;;
+			*) modprobe "${fs}" && available=yes;;
+		esac
+		if [ -n "${available}" ]; then
+			unset found
+			if which "mkfs.$fs" ; then
+				found=yes
+				case "mkfs.$fs" in
+					mkfs.xfs)
+						fopt="-fq"
+					;;
+					mkfs.jfs)
+						fopt="-q"
+					;;
+					mkfs.ext4)
+						fopt="-Fq"
+					;;
+				esac
+				mkfs.$fs ${fopt} "${target}"
+			fi
+			[ -n "$found" ] && break
+		fi
+	done
+}
+
+# Format and mount ID44 (/tmp)
+mount_id44 () {
+	HAVE_TMP=no
+	if echo $ID44 | grep -q '/dev/disk/'
+		then
+		# check for supported filesystem and formatter
+		if diskfm $ID44; then
+			mkdir -p $PREFIX$ID44MNT
+			if mount -t auto "$ID44" "$PREFIX$ID44MNT" 2>/dev/null
+				then
+				chmod a+rwxt $PREFIX$ID44MNT
+				echo -e "$ID44\t$ID44MNT\tauto\tnoexec\t0 0" >> "/etc/fstab"
+				HAVE_TMP=yes
+			else
+				echo "Could not mount partition $ID44"
+			fi
+		else
+			echo "Could not format partition $ID44"
+		fi
+	fi
+}
+
+# Mount persistent partition 45
+mount_id45 () {
+	HAVE_PERSISTENT=no
+	if echo $ID45 | grep -q '/dev/disk/'
+		then
+		mkdir -p $PREFIX$ID45MNT
+		if mount -t auto "$ID45" "$PREFIX$ID45MNT" 2>/dev/null
+			then
+			echo -e "$ID45\t$ID45MNT\tauto\tnoauto\t0 0" >> "/etc/fstab"
+			HAVE_PERSISTENT=yes
+		else
+			echo "Could not mount persistent partition $ID45"
+		fi
+	fi
+}
+
+# Mount non-persistent partition 46
+mount_id46 () {
+	HAVE_NONPERSISTENT=no
+	if echo $ID46 | grep -q '/dev/disk/'
+		then
+		# check for supported filesystem and formatter
+		if diskfm $ID46; then
+			mkdir -p $PREFIX$ID46MNT
+			if mount -t auto -o noexec "$ID46" "$PREFIX$ID46MNT" 2>/dev/null
+				then
+				echo -e "$ID46\t$ID46MNT\tauto\tnoauto,noexec\t0 0" >> "/etc/fstab"
+				HAVE_NONPERSISTENT=yes
+			else
+				echo "Could not mount non-persistent partition $ID46"
+			fi
+		else
+			echo "Could not format partition $ID44"
+		fi
+	fi
+}
+
+# Get partition types
+hdisks=$(ls /dev/disk/by-path/*-part[0-9]* \
+         | sed -re "s,(.*)-part[0-9]*,\1," \
+         | sort -u)
+
+if echo $hdisks | grep -q '/dev/disk/'
+	then
+	for hd in $(echo $hdisks)
+		do
+		upartid=$(sgdisk -p $hd 2>/dev/null | awk '$6~/FFFF/ {print $1}')
+		for upt in $(echo $upartid)
+			do
+			echo "${hd}-part${upt} $(sgdisk -i $upt $hd)" \
+			  | awk '$5 ~ /0FC63DAF-8483-4772-8E79-[0]{10}4[4-6]/ \
+			         {print $5 "=" $1}' \
+			  | sed -re "s,0FC63DAF-8483-4772-8E79-[0]{10},ID," \
+			  >> /etc/hdisks.conf
+		done
+	done
+        [ -r /etc/hdisks.conf ] && . /etc/hdisks.conf
+
+fi
+
diff --git a/remote/modules/gdisk/data/inc/setup_gpt.old b/remote/modules/gdisk/data/inc/setup_gpt.old
new file mode 100755
index 00000000..a4c971e4
--- /dev/null
+++ b/remote/modules/gdisk/data/inc/setup_gpt.old
@@ -0,0 +1,160 @@
+#!/bin/ash
+# Copyright (c) 2013 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found under http://openslx.org
+#
+# Local hard disk autodetection script for OpenSLX linux stateless clients,
+# detecting swap and special partitions
+
+#############################################################################
+
+# Mount point for persistent scratch partition (type 45)
+PERSISTENT="/opt/openslx/persistent"
+
+# General formatter for the /tmp partition on a local harddisk
+diskfm () {
+	mopt="" # Global var!
+	local target="$1"
+	local fslist="xfs jfs ext3 ext2 ext4"
+	local fs
+	local path
+	[ $# -ge 2 ] && fslist="$2"
+	for fs in $fslist ; do
+		unset available
+		case $(cat /proc/filesystems) in
+			*${fs}*) available=yes;;
+			*) modprobe "${fs}" && available=yes;;
+		esac
+		if [ -n "${available}" ]; then
+			unset found
+			if which "mkfs.$fs" ; then
+				found=yes
+				case "mkfs.$fs" in
+					mkfs.xfs)
+						fopt="-f -b size=4k -s size=4k -l size=512b" # fastest formatting possible :)
+						mopt="-o noexec"
+					;;
+					mkfs.ext2)
+						fopt="-Fq"
+						mopt="-o nocheck,noexec"
+					;;
+					mkfs.ext3|mkfs.ext4)
+						fopt="-Fq"
+						mopt="-o noexec"
+					;;
+					mkfs.reiserfs)
+						fopt="-f"
+						mopt="-o noexec"
+					;;
+					mkfs.jfs)
+						fopt="-q"
+						mopt="-o noexec"
+					;;
+				esac
+				mkfs.$fs ${fopt} "${target}"
+			fi
+			[ -n "$found" ] && break
+		fi
+	done
+}
+
+mount_temp () {
+	local PRE=$(pwd)
+	if ! cd /tmp; then
+		mount_temp_fallback $@
+		return $?
+	fi
+	mount $@ /tmp || return 1
+	chmod a+rwxt /tmp
+	# Move stuff from working directory, which is old /tmp, to new /tmp just mounted
+	mv ./* ./.[!.]* ./..?* /tmp/ 2> /dev/null
+	local OLD=$(LANG=C ls -alh | grep -v -E ' \.\.?$' | grep -v '^total')
+	[ -n "$OLD" ] && echo -- "Leftovers:" && echo -- "$OLD"
+	cd "$PRE"
+}
+
+mount_temp_fallback () {
+	mkdir -p /tmptmp
+	mv /tmp/* /tmp/.* /tmptmp/ 2> /dev/null
+	mount $@ /tmp || return 1
+	chmod a+rwxt /tmp
+	mv /tmptmp/* /tmptmp/.* /tmp/
+	rmdir /tmptmp
+	return 0
+}
+
+fdisk -l | sed -n "/^\/dev\//p" > "/etc/disk.partition"
+
+echo "Partitions:"
+cat "/etc/disk.partition"
+
+
+# sgdisk -i 1 /dev/sda | grep -o "0FC63DAF-8483-4772-8E79-[4]\{12\}"
+
+# Check for standard swap partitions and make them available to the system
+HAVE_SWAP=no
+for hdpartnr in $(sed -n -e "/ 82 /p" "/etc/disk.partition" | sed -e "s/[[:space:]].*//"); do
+	echo -e "$hdpartnr\tswap\t\tswap\t\tdefaults\t 0 0" >> "/etc/fstab"
+	swapon "$hdpartnr" -p 10 && HAVE_SWAP=yes # low priority, in case we have zram swap, prefer that)
+done
+
+# We use special non assigned partition type (id44) for harddisk scratch
+# space, thus no normal filesystem will be incidentally deleted or
+# corrupted
+HAVE_TEMP=no
+for hdpartnr in $(sed -n -e "/ 44 /p" "/etc/disk.partition" | sed -e "s/[[:space:]].*//"); do
+	# check for supported filesystem and formatter
+	if diskfm "$hdpartnr"; then
+		# echo "$hdpartnr is mounted to /mnt/tmp at $(sysup)" >/tmp/tmpready
+		mount_temp "$mopt" "$hdpartnr" || continue
+		echo -e "${hdpartnr}\t/tmp\t\tauto\t\tnoexec\t 0 0" >> "/etc/fstab"
+		HAVE_TEMP=yes
+		break
+	else
+		echo "formatting failed for some reason"
+	fi # Made this non-forking, systemd should handle it - 2013-05-28
+done
+
+# Put detected linux partitions (83) into /etc/fstab with "noauto", special
+# partition 45 (persistent scratch) to /var/scratch and 46 to /var/openslx
+HAVE_PERSISTENT=no
+for partid in 83 45 46 ; do
+	for hdpartnr in $(sed -n -e "/ ${partid} /p" "/etc/disk.partition" | sed -e "s/[[:space:]].*//"); do
+		if [ "${partid}" -eq 83 ]; then
+			mkdir -p "/media/${hdpartnr#/dev/*}"
+			echo -e "${hdpartnr}\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto,noexec\t 0 0" >> "/etc/fstab"
+		elif [ "${partid}" -eq 45 -a "$HAVE_PERSISTENT" = "no" ]; then
+			mkdir -p "$PERSISTENT"
+			if ! mount -t auto -o noexec "${hdpartnr}" "$PERSISTENT"; then
+				diskfm "$hdpartnr" "jfs xfs ext3" || continue
+				mount -t auto -o noexec "${hdpartnr}" "$PERSISTENT" || continue
+			fi
+			HAVE_PERSISTENT=yes
+			echo -e "${hdpartnr}\t${PERSISTENT}\tauto\t\tnoauto,noexec\t\t 0 0" >> "/etc/fstab"
+		elif [ "${partid}" -eq 46 ]; then
+			mkdir -p "/media/${hdpartnr#/dev/*}"
+			echo -e "${hdpartnr}\t/media/${hdpartnr#/dev/*}\tauto\t\tnoauto\t\t 0 0" >> "/etc/fstab"
+		fi
+	done
+done
+[ "$HAVE_PERSISTENT" = "no" -a -d "$PERSISTENT" ] && rm -f "$PERSISTENT"
+
+mount -a
+
+# Make huge tmpfs if nothing could be mounted for /tmp
+if [ "$HAVE_TEMP" = "no" ]; then
+	 mount_temp -t tmpfs -o size=20G none
+	 slxlog "partition-temp" "Running /tmp on tmpfs only!" "/etc/disk.partition"
+fi
+if [ "$HAVE_SWAP" = "no" ]; then
+	slxlog "partition-swap" "Have no (formatted) swap partition, using zram swap only!" "/etc/disk.partition"
+fi
+
+exit 0
+