Contents of /trunk/share/subroutines-linux

#! /bin/sh

# $Id$
#
# subroutine definitions for linux
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
set_disk_info() {

    # the variable holds a space separated list of devices and their block size
    device_size=$(disk-info)

    # a list of all local disks, without size
    disklist=$(list_disks $device_size)
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
jobsrunning() {

    # test if jobs are running
    ps r | egrep -qv "ps r|TIME COMMAND"
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
eval_cmdline() {

    # parse kernel parameters and define variables
    local word

    echo -n "Kernel parameters: "; cat /proc/cmdline
    for word in $(cat /proc/cmdline) ; do
        case $word in
            [a-zA-Z]*=*)
                echo "Defining variable: $word"
                eval $word
                ;;
        esac
    done
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_confdir() {

    local bootlog
    eval_cmdline

    bootlog=$LOGDIR/boot.log
    get-boot-info
    echo "Reading $bootlog"
    . $bootlog
    unset T170 T171 T172 ROOT_PATH BOOTFILE

    # define flags to see if syslogd should be started
    # this routine is called again, so you can use a hook to redefine flags
    echo 6 > /proc/sys/kernel/printk
    define_fai_flags
    [ "$syslogd" ] && {
      klogd -c7 -f $LOGDIR/kernel.log
      syslogd -m 0 -p /tmp/etc/syslogsocket
    }

    echo "SERVER=$SERVER" >> $rcsfaivar
    create_resolv_conf
    get_fai_dir
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_partition() {

    echo "Partitioning local harddisks"
    [ ! -s $diskvar ] && setup_harddisks -d -X > $LOGDIR/format.log 2>&1
    # setup_harddisks must create $diskvar file
    if [ ! -s $diskvar ]; then
        cat $LOGDIR/format.log
        die "setup_harddisks did not create $diskvar file."
    fi
    # now define variable for root and boot partition and boot device
    . $diskvar
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_extrbase() {

    local fs=$FAI_ROOT/etc/$fstab
    # extract the tar file which was the result of debootstrap
    echo "Unpacking Debian base archive"
    gzip -dc /var/tmp/base.tgz | tar -C $FAI_ROOT -xpf -
    # now we can copy fstab
    [ -f $fs ] && mv $fs $fs.old
    cp -p $LOGDIR/$fstab $fs
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_mirror() {

    # mount debian mirror directory
    [ "$FAI_DEBMIRROR" ] || return   # nothing to do
    mkdir -p $FAI_ROOT/$MNTPOINT
    mount $romountopt $FAI_DEBMIRROR $FAI_ROOT/$MNTPOINT ||
      die "Can't mount $FAI_DEBMIRROR"
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_updatebase() {

    # maybe the base system is not up to date
    echo "Updating base"
    # try to mount the config space, since it can also contain Debian Packages
    # in /fai/files/packages 
    mount --bind $FAI $FAI_ROOT/fai
    if [ "$debug" ]; then
        prepare_apt | tee -a $LOGDIR/updatebase.log 2>&1
    else
        prepare_apt  > $LOGDIR/updatebase.log 2>&1
    fi
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_instsoft() {

    echo "Installing software may take a while"
    if [ "$debug" ]; then
        install_packages | tee -a $LOGDIR/software.log
    elif [ "$verbose" ]; then
        yes '' | install_packages 2>&1 | tee -a $LOGDIR/software.log
    else
        yes '' | install_packages >> $LOGDIR/software.log 2>&1
    fi
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_finish() {

    # umount swap space
    ifconfig
    local sd
    for sd in $SWAPLIST; do
       swapoff $sd && [ "$verbose" ] && echo "Disable swap device $sd"
    done
    umount -n $FAI_ROOT/proc
    # undo fake of all programs made by fai
    fai-divert -R
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
task_chboot() {

    local frsh
    frsh="$FAI_REMOTESH -l $LOGUSER ${SERVER}"

    if [ -z "$LOGUSER" ] ; then
        echo "LOGUSER not defined. Can't change network boot configuration"
        exit
    fi

    if dmesg | grep -q "Sending BOOTP requests"; then
        # change boot device (local disk or network) when using bootp
        [ "$LOGUSER" -a "$TFTPLINK" ] &&
            $frsh "cd /boot/fai; rm -f $HOSTNAME; ln -s $TFTPLINK $HOSTNAME"
    else
        # change boot device (local disk or network) when using DHCP
        # first test if a given filename exists on the server
        testcmd="test -s /boot/fai/$HOSTNAME-localboot ; echo \$?"
        ret=`$FAI_REMOTESH -l $LOGUSER ${SERVER} "$testcmd"`
        if [ "$ret" -ne 0 ]; then
            # copy the kernel to the server
            $FAI_REMOTECP $target/boot/vmlinuz-* $LOGUSER@${SERVER}:/boot/fai/$HOSTNAME-localboot
        fi
        . $diskvar # read ROOT_PARTITION
        $frsh fai-chboot -v $HOSTNAME-localboot $ROOT_PARTITION $HOSTNAME
    fi
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1	lange	1370	#! /bin/sh
2
3	lange	1300	# $Id$
4			#
5			# subroutine definitions for linux
6			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7	lange	1641	set_disk_info() {
8	lange	1300
9			# the variable holds a space separated list of devices and their block size
10	lange	1641	device_size=$(disk-info)
11	lange	1300
12			# a list of all local disks, without size
13	lange	1641	disklist=$(list_disks $device_size)
14	lange	1300	}
15			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
16			jobsrunning() {
17
18			# test if jobs are running
19			ps r \| egrep -qv "ps r\|TIME COMMAND"
20			}
21			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
22			eval_cmdline() {
23
24			# parse kernel parameters and define variables
25			local word
26
27	lange	1733	echo -n "Kernel parameters: "; cat /proc/cmdline
28	lange	1789	for word in $(cat /proc/cmdline) ; do
29	lange	1300	case $word in
30			[a-zA-Z]=)
31			echo "Defining variable: $word"
32			eval $word
33			;;
34			esac
35			done
36			}
37			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
38			task_confdir() {
39
40	lange	1641	local bootlog
41	lange	1300	eval_cmdline
42
43	lange	1478	bootlog=$LOGDIR/boot.log
44			get-boot-info
45	lange	1625	echo "Reading $bootlog"
46			. $bootlog
47	lange	1630	unset T170 T171 T172 ROOT_PATH BOOTFILE
48	lange	1328
49			# define flags to see if syslogd should be started
50			# this routine is called again, so you can use a hook to redefine flags
51			echo 6 > /proc/sys/kernel/printk
52			define_fai_flags
53			[ "$syslogd" ] && {
54			klogd -c7 -f $LOGDIR/kernel.log
55			syslogd -m 0 -p /tmp/etc/syslogsocket
56			}
57
58	lange	1300	echo "SERVER=$SERVER" >> $rcsfaivar
59			create_resolv_conf
60			get_fai_dir
61			}
62			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
63			task_partition() {
64
65			echo "Partitioning local harddisks"
66			[ ! -s $diskvar ] && setup_harddisks -d -X > $LOGDIR/format.log 2>&1
67			# setup_harddisks must create $diskvar file
68			if [ ! -s $diskvar ]; then
69			cat $LOGDIR/format.log
70	lange	1321	die "setup_harddisks did not create $diskvar file."
71	lange	1300	fi
72			# now define variable for root and boot partition and boot device
73			. $diskvar
74			}
75			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
76			task_extrbase() {
77
78	lange	1585	local fs=$FAI_ROOT/etc/$fstab
79	lange	1300	# extract the tar file which was the result of debootstrap
80			echo "Unpacking Debian base archive"
81			gzip -dc /var/tmp/base.tgz \| tar -C $FAI_ROOT -xpf -
82			# now we can copy fstab
83	lange	1585	[ -f $fs ] && mv $fs $fs.old
84			cp -p $LOGDIR/$fstab $fs
85	lange	1300	}
86			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
87			task_mirror() {
88
89			# mount debian mirror directory
90			[ "$FAI_DEBMIRROR" ] \|\| return # nothing to do
91			mkdir -p $FAI_ROOT/$MNTPOINT
92			mount $romountopt $FAI_DEBMIRROR $FAI_ROOT/$MNTPOINT \|\|
93			die "Can't mount $FAI_DEBMIRROR"
94			}
95			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
96			task_updatebase() {
97
98			# maybe the base system is not up to date
99			echo "Updating base"
100	lange	1508	# try to mount the config space, since it can also contain Debian Packages
101			# in /fai/files/packages
102			mount --bind $FAI $FAI_ROOT/fai
103	lange	1300	if [ "$debug" ]; then
104			prepare_apt \| tee -a $LOGDIR/updatebase.log 2>&1
105			else
106			prepare_apt > $LOGDIR/updatebase.log 2>&1
107			fi
108			}
109			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
110			task_instsoft() {
111
112			echo "Installing software may take a while"
113			if [ "$debug" ]; then
114			install_packages \| tee -a $LOGDIR/software.log
115			elif [ "$verbose" ]; then
116			yes '' \| install_packages 2>&1 \| tee -a $LOGDIR/software.log
117			else
118			yes '' \| install_packages >> $LOGDIR/software.log 2>&1
119			fi
120			}
121			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
122			task_finish() {
123
124			# umount swap space
125	lange	1785	ifconfig
126	lange	1515	local sd
127	lange	1300	for sd in $SWAPLIST; do
128	lange	1515	swapoff $sd && [ "$verbose" ] && echo "Disable swap device $sd"
129	lange	1300	done
130			umount -n $FAI_ROOT/proc
131			# undo fake of all programs made by fai
132	lange	1365	fai-divert -R
133	lange	1300	}
134			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
135			task_chboot() {
136
137	lange	1821	local frsh
138			frsh="$FAI_REMOTESH -l $LOGUSER ${SERVER}"
139
140			if [ -z "$LOGUSER" ] ; then
141			echo "LOGUSER not defined. Can't change network boot configuration"
142			exit
143			fi
144
145			if dmesg \| grep -q "Sending BOOTP requests"; then
146			# change boot device (local disk or network) when using bootp
147			[ "$LOGUSER" -a "$TFTPLINK" ] &&
148			$frsh "cd /boot/fai; rm -f $HOSTNAME; ln -s $TFTPLINK $HOSTNAME"
149			else
150			# change boot device (local disk or network) when using DHCP
151			# first test if a given filename exists on the server
152			testcmd="test -s /boot/fai/$HOSTNAME-localboot ; echo \$?"
153			ret=`$FAI_REMOTESH -l $LOGUSER ${SERVER} "$testcmd"`
154			if [ "$ret" -ne 0 ]; then
155			# copy the kernel to the server
156			$FAI_REMOTECP $target/boot/vmlinuz-* $LOGUSER@${SERVER}:/boot/fai/$HOSTNAME-localboot
157			fi
158			. $diskvar # read ROOT_PARTITION
159			$frsh fai-chboot -v $HOSTNAME-localboot $ROOT_PARTITION $HOSTNAME
160			fi
161	lange	1300	}
162			# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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svn:keywords	Author Date Id Revision