alxconf-060/bin/update-alx.sh

#!/bin/bash
# $Id$

die()
{
	echo
	echo "Error: $@. Update *not* successfull."
	trap_exit
}

trap_exit()
{
	is_mounted ${BUILDDIR} && umount ${BUILDDIR}
	is_mounted ${MAGEDIR} && umount ${MAGEDIR}
	is_mounted ${PKGDIR} && umount ${PKGDIR}
	is_mounted ${TEMPDIR} && umount_server

	exit 1
}

diskfree()
{
	local dev="$1"
	df -kP "${dev}" |grep "${dev}" | xargs | cut -d' ' -f4
}


mount_server()
{
	local ret

	[ ! -d ${TEMPDIR} ] && install -d ${TEMPDIR}
	# use cifs only if supported
	modprobe cifs &> /dev/null
	if [ -n "$(cat /proc/filesystems | grep cifs)" ]
	then
		mount -t cifs "${SERVER_SHARE}" \
			${TEMPDIR} \
			-o user="${USER}",pass="${PASS}"
		ret="$?"
	else
		# unix extensions must be enabled on server-side !
		mount -t smbfs "${SERVER_SHARE}" \
			${TEMPDIR} \
			-o username="${USER}",password="${PASS}"
		ret="$?"
	fi

	sleep 3

	return "${ret}"
}

umount_server()
{
	umount ${TEMPDIR}
	sleep 3
	[ -d ${TEMPDIR} ] && rm -rf ${TEMPDIR}
}

is_mounted()
{
	local dev="$1"
	# the spaces are neccessary -> to locate " / "
	[ -n "$(cat /proc/mounts | grep " ${dev} ")" ] && return 0
	return 1
}

[[ $(whoami) != root ]] && ( echo "you must be r00t ..."; exit 1 )

source /etc/mage.rc
source /etc/alxconfig-ng/config.rc

# in kilobytes ! min 50MB are needed !!
MIN_SPACE=50000
SERVER_SHARE="${SMB_UPDATE_HOST}"
USER="${SMB_UPDATE_USER}"
PASS="${SMB_UPDATE_PASS}"

# disable colors
export NOCOLORS=true

# set some proper traps
trap "trap_exit" SIGINT SIGQUIT

# setup mage.rc
sed -i -e "s@^\(MIRRORS=\).*@\1\"${MAGE_MIRRORS}\"@" \
	-e "s@^\(RSYNC=\).*@\1\"${MAGE_RSYNC}\"@" \
	/etc/mage.rc || die "fixing /etc/mage.rc"

if [ $(diskfree /) -le ${MIN_SPACE} ]; then
	echo "Mounting server '${SERVER_SHARE}' ..."
	# make a secure tmp dir
	if [ -x /bin/mktemp ]; then
		TEMPDIR="$(/bin/mktemp -d)"
	else
		TEMPDIR="/tmp/tmp-$$"
	fi

	# mount the server share to TEMPDIR
	mount_server || die "netshare mount failed, updated aborted."

	# now fake a new builddir so that multiple clients
	# can use one server share
	install -d ${TEMPDIR}/${HOSTNAME}/{mage,packages,tmp}
	mount -o bind ${TEMPDIR}/${HOSTNAME}/tmp ${BUILDDIR}
#	mount -o bind ${TEMPDIR}/${HOSTNAME}/mage ${MAGEDIR}
	mount -o bind ${TEMPDIR}/${HOSTNAME}/packages ${PKGDIR}
fi

echo "Running update ..."
# fetching new db

echo "Fetching mage database update ..."
mage update > /dev/null || die "mage update"

# to be safe, mount boot (kernel updates !)
mount /boot &> /dev/null

# first update mage if an update is available
mage pretend mage &> /dev/null
if [[ $? = 1 ]]
then
	mage install mage || die "install mage"
fi

# then clean forcefully all packages that does not fit the profile
if [ -f /etc/mage-profile/forced-uninstall ]
then
	sh /etc/mage-profile/forced-uninstall
fi

# update the whole system
mage upgrade || die "system upgrade"

# umount BUILDDIR
if is_mounted ${BUILDDIR}; then
	umount ${BUILDDIR}
fi

# umount MAGEDIR
if is_mounted ${MAGEDIR}; then
	umount ${MAGEDIR}
fi

if is_mounted ${PKGDIR}; then
	umount ${PKGDIR}
fi

# umount TEMPDIR
if is_mounted ${TEMPDIR}; then
	umount_server
fi
1	niro	289	#!/bin/bash
2	niro	1997	# $Id$
3	niro	289
4	niro	308	die()
5			{
6			echo
7			echo "Error: $@. Update not successfull."
8	niro	1618	trap_exit
9			}
10
11			trap_exit()
12			{
13			is_mounted ${BUILDDIR} && umount ${BUILDDIR}
14			is_mounted ${MAGEDIR} && umount ${MAGEDIR}
15			is_mounted ${PKGDIR} && umount ${PKGDIR}
16			is_mounted ${TEMPDIR} && umount_server
17
18	niro	308	exit 1
19			}
20
21	niro	289	diskfree()
22			{
23			local dev="$1"
24			df -kP "${dev}" \|grep "${dev}" \| xargs \| cut -d' ' -f4
25			}
26
27
28			mount_server()
29			{
30	niro	1581	local ret
31
32	niro	289	[ ! -d ${TEMPDIR} ] && install -d ${TEMPDIR}
33			# use cifs only if supported
34			modprobe cifs &> /dev/null
35			if [ -n "$(cat /proc/filesystems \| grep cifs)" ]
36			then
37			mount -t cifs "${SERVER_SHARE}" \
38			${TEMPDIR} \
39			-o user="${USER}",pass="${PASS}"
40	niro	1581	ret="$?"
41	niro	289	else
42			# unix extensions must be enabled on server-side !
43			mount -t smbfs "${SERVER_SHARE}" \
44			${TEMPDIR} \
45			-o username="${USER}",password="${PASS}"
46	niro	1581	ret="$?"
47	niro	289	fi
48
49			sleep 3
50	niro	1997
51	niro	1581	return "${ret}"
52	niro	289	}
53
54			umount_server()
55			{
56			umount ${TEMPDIR}
57			sleep 3
58			[ -d ${TEMPDIR} ] && rm -rf ${TEMPDIR}
59			}
60
61			is_mounted()
62			{
63			local dev="$1"
64			# the spaces are neccessary -> to locate " / "
65			[ -n "$(cat /proc/mounts \| grep " ${dev} ")" ] && return 0
66			return 1
67			}
68
69			[[ $(whoami) != root ]] && ( echo "you must be r00t ..."; exit 1 )
70
71			source /etc/mage.rc
72			source /etc/alxconfig-ng/config.rc
73
74			# in kilobytes ! min 50MB are needed !!
75			MIN_SPACE=50000
76	niro	374	SERVER_SHARE="${SMB_UPDATE_HOST}"
77			USER="${SMB_UPDATE_USER}"
78			PASS="${SMB_UPDATE_PASS}"
79	niro	289
80	niro	2029	# disable colors
81			export NOCOLORS=true
82
83	niro	1618	# set some proper traps
84			trap "trap_exit" SIGINT SIGQUIT
85
86	niro	374	# setup mage.rc
87			sed -i -e "s@^\(MIRRORS=\).*@\1\"${MAGE_MIRRORS}\"@" \
88			-e "s@^\(RSYNC=\).*@\1\"${MAGE_RSYNC}\"@" \
89			/etc/mage.rc \|\| die "fixing /etc/mage.rc"
90
91	niro	308	if [ $(diskfree /) -le ${MIN_SPACE} ]; then
92			echo "Mounting server '${SERVER_SHARE}' ..."
93	niro	289	# make a secure tmp dir
94			if [ -x /bin/mktemp ]; then
95			TEMPDIR="$(/bin/mktemp -d)"
96			else
97			TEMPDIR="/tmp/tmp-$$"
98			fi
99
100			# mount the server share to TEMPDIR
101	niro	1581	mount_server \|\| die "netshare mount failed, updated aborted."
102	niro	289
103			# now fake a new builddir so that multiple clients
104			# can use one server share
105			install -d ${TEMPDIR}/${HOSTNAME}/{mage,packages,tmp}
106			mount -o bind ${TEMPDIR}/${HOSTNAME}/tmp ${BUILDDIR}
107			# mount -o bind ${TEMPDIR}/${HOSTNAME}/mage ${MAGEDIR}
108			mount -o bind ${TEMPDIR}/${HOSTNAME}/packages ${PKGDIR}
109			fi
110
111	niro	308	echo "Running update ..."
112	niro	289	# fetching new db
113
114	niro	308	echo "Fetching mage database update ..."
115			mage update > /dev/null \|\| die "mage update"
116
117	niro	1581	# to be safe, mount boot (kernel updates !)
118	niro	289	mount /boot &> /dev/null
119
120	niro	2029	# first update mage if an update is available
121			mage pretend mage &> /dev/null
122			if [[ $? = 1 ]]
123			then
124			mage install mage \|\| die "install mage"
125			fi
126	niro	289
127	niro	1581	# then clean forcefully all packages that does not fit the profile
128	niro	289	if [ -f /etc/mage-profile/forced-uninstall ]
129			then
130			sh /etc/mage-profile/forced-uninstall
131			fi
132
133	niro	1581	# update the whole system
134	niro	1997	mage upgrade \|\| die "system upgrade"
135	niro	289
136			# umount BUILDDIR
137			if is_mounted ${BUILDDIR}; then
138			umount ${BUILDDIR}
139			fi
140
141			# umount MAGEDIR
142			if is_mounted ${MAGEDIR}; then
143			umount ${MAGEDIR}
144			fi
145
146			if is_mounted ${PKGDIR}; then
147			umount ${PKGDIR}
148			fi
149
150			# umount TEMPDIR
151			if is_mounted ${TEMPDIR}; then
152			umount_server
153			fi