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="${MIN_DISK_SPACE}"
SERVER_SHARE="${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 match the profile
if [ -f /etc/mage-profile/forced-uninstall ]
then
	bash /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			mount_server()
28			{
29	niro	1581	local ret
30
31	niro	289	[ ! -d ${TEMPDIR} ] && install -d ${TEMPDIR}
32			# use cifs only if supported
33			modprobe cifs &> /dev/null
34			if [ -n "$(cat /proc/filesystems \| grep cifs)" ]
35			then
36			mount -t cifs "${SERVER_SHARE}" \
37			${TEMPDIR} \
38			-o user="${USER}",pass="${PASS}"
39	niro	1581	ret="$?"
40	niro	289	else
41			# unix extensions must be enabled on server-side !
42			mount -t smbfs "${SERVER_SHARE}" \
43			${TEMPDIR} \
44			-o username="${USER}",password="${PASS}"
45	niro	1581	ret="$?"
46	niro	289	fi
47
48			sleep 3
49	niro	1997
50	niro	1581	return "${ret}"
51	niro	289	}
52
53			umount_server()
54			{
55			umount ${TEMPDIR}
56			sleep 3
57			[ -d ${TEMPDIR} ] && rm -rf ${TEMPDIR}
58			}
59
60			is_mounted()
61			{
62			local dev="$1"
63			# the spaces are neccessary -> to locate " / "
64			[ -n "$(cat /proc/mounts \| grep " ${dev} ")" ] && return 0
65			return 1
66			}
67
68			[[ $(whoami) != root ]] && ( echo "you must be r00t ..."; exit 1 )
69
70			source /etc/mage.rc
71			source /etc/alxconfig-ng/config.rc
72
73			# in kilobytes ! min 50MB are needed !!
74	niro	2372	MIN_SPACE="${MIN_DISK_SPACE}"
75	niro	374	SERVER_SHARE="${SMB_UPDATE_HOST}"
76			USER="${SMB_UPDATE_USER}"
77			PASS="${SMB_UPDATE_PASS}"
78	niro	289
79	niro	2029	# disable colors
80			export NOCOLORS=true
81
82	niro	1618	# set some proper traps
83			trap "trap_exit" SIGINT SIGQUIT
84
85	niro	374	# setup mage.rc
86			sed -i -e "s@^\(MIRRORS=\).*@\1\"${MAGE_MIRRORS}\"@" \
87			-e "s@^\(RSYNC=\).*@\1\"${MAGE_RSYNC}\"@" \
88			/etc/mage.rc \|\| die "fixing /etc/mage.rc"
89
90	niro	3468	if [ $(diskfree /) -le ${MIN_SPACE} ]
91			then
92	niro	308	echo "Mounting server '${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	3468	# then clean forcefully all packages that does not match the profile
128	niro	289	if [ -f /etc/mage-profile/forced-uninstall ]
129			then
130	niro	3468	bash /etc/mage-profile/forced-uninstall
131	niro	289	fi
132
133	niro	1581	# update the whole system
134	niro	1997	mage upgrade \|\| die "system upgrade"
135	niro	289
136			# umount BUILDDIR
137	niro	3468	if is_mounted ${BUILDDIR}
138			then
139	niro	289	umount ${BUILDDIR}
140			fi
141
142			# umount MAGEDIR
143	niro	3468	if is_mounted ${MAGEDIR}
144			then
145	niro	289	umount ${MAGEDIR}
146			fi
147
148	niro	3468	if is_mounted ${PKGDIR}
149			then
150	niro	289	umount ${PKGDIR}
151			fi
152
153			# umount TEMPDIR
154	niro	3468	if is_mounted ${TEMPDIR}
155			then
156	niro	289	umount_server
157			fi