/usr/lib/heartbeat/hb2openais.sh is in pacemaker 1.1.6-2ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Copyright (C) 2008,2009 Dejan Muhamedagic <dmuhamedagic@suse.de>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
. /etc/ha.d/shellfuncs
# utillib.sh moved (sigh!)
# cluster-glue doesn't make its shared data dir available
# we guess, and guess that that's safe, that the datadir is the same
testdirs="/usr/share/cluster-glue $HA_NOARCHBIN/utillib.sh"
for d in $testdirs; do
if [ -f $d/utillib.sh ]; then
NOARCH_DIR=$d
break
fi
done
test -f $NOARCH_DIR/utillib.sh || {
echo "sorry, could not find utillib.sh in $testdirs"
exit 1
}
. $NOARCH_DIR/utillib.sh
. $NOARCH_DIR/ha_cf_support.sh
PROG=`basename $0`
PROGDIR=`dirname $0`
# the default syslog facility is not (yet) exported by heartbeat
# to shell scripts
#
DEFAULT_HA_LOGFACILITY="daemon"
export DEFAULT_HA_LOGFACILITY
: ${SSH_OPTS="-T"}
usage() {
cat<<EOF
usage: $PROG [-UF] [-u user] [-T directory] [revert]
-U: skip upgrade the CIB to v1.0
-F: force conversion despite it being done beforehand
-u user: a user to sudo with (otherwise, you'd
have to run this as root)
-C: force conversion to corosync (default is openais)
-T directory: a directory containing ha.cf/logd.cf/cib.xml/hostcache
(use for testing); with this option files are not
copied to other nodes and there are no destructive
commands executed; you may run as unprivileged uid
EOF
exit
}
SUDO_USER=""
MYSUDO=""
TEST_DIR=""
FORCE=""
UPGRADE="1"
while getopts UFCu:T:h o; do
case "$o" in
h) usage;;
U) UPGRADE="";;
F) FORCE=1;;
u) SUDO_USER="$OPTARG";;
T) TEST_DIR="$OPTARG";;
C) COROSYNC="1";;
[?]) usage;;
esac
done
shift $(($OPTIND-1))
[ $# -gt 1 ] && usage
[ "$TEST_DIR" ] && [ $# -ne 0 ] && usage
if [ "$COROSYNC" -o -d /etc/corosync ]; then
AIS_CONF=/etc/corosync/corosync.conf
AIS_KEYF=/etc/corosync/authkey
KEYGEN_PROG="corosync-keygen"
COROSYNC=1
else
AIS_CONF=/etc/ais/openais.conf
AIS_KEYF=/etc/ais/authkey
KEYGEN_PROG="ais-keygen"
COROSYNC=""
fi
AIS_CONF_BASE=`basename $AIS_CONF`
PRODUCT=`basename $AIS_CONF_BASE .conf`
AUTHENTICATION=on
MAXINTERFACE=2
MCASTPORT=5405
RRP_MODE=active
SUPPORTED_RESPAWNS="pingd evmsd"
PY_HELPER=$HA_BIN/hb2openais-helper.py
CRM_VARLIB=$HA_VARLIB/crm
CIB=$CRM_VARLIB/cib.xml
CIBSIG=$CRM_VARLIB/cib.xml.sig
CIBLAST=$CRM_VARLIB/cib.xml.last
CIBLAST_SIG=$CRM_VARLIB/cib.xml.sig.last
HOSTCACHE=$HA_VARLIB/hostcache
HB_UUID=$HA_VARLIB/hb_uuid
DONE_F=$HA_VARRUN/heartbeat/.$PROG.conv_done
BACKUPDIR=/var/tmp/`basename $PROG .sh`.backup
RM_FILES=" $CIBSIG $CIBLAST $CIBLAST_SIG"
REMOTE_RM_FILES=" $CIB $RM_FILES"
BACKUP_FILES=" $AIS_CONF $AIS_KEYF $REMOTE_RM_FILES "
DIST_FILES=" $AIS_CONF $AIS_KEYF $DONE_F "
MAN_TARF=/var/tmp/`basename $PROG .sh`.tar.gz
if [ "$TEST_DIR" ]; then
cp $TEST_DIR/cib.xml $TEST_DIR/cib-out.xml
CIB=$TEST_DIR/cib-out.xml
HOSTCACHE=$TEST_DIR/hostcache
HA_CF=$TEST_DIR/ha.cf
AIS_CONF=$TEST_DIR/$AIS_CONF_BASE
if [ "$SUDO_USER" ]; then
warning "-u option ignored when used with -T"
fi
else
ps -ef | grep -wqs [c]rmd &&
fatal "you must first stop heartbeat on _all_ nodes"
if [ "$SUDO_USER" ]; then
MYSUDO="sudo -u $SUDO_USER"
fi
fi
CIB_file=$CIB
CONF=$HA_CF
LOGD_CF=`findlogdcf $TEST_DIR /etc $HA_DIR`
export CIB_file LOGD_CF
prerequisites() {
test -f $HA_CF ||
fatal "$HA_CF does not exist: cannot proceed"
iscfvartrue crm || grep -w "^crm" $HA_CF | grep -wqs respawn ||
fatal "crm is not enabled: we cannot convert v1 configurations"
$DRY test -f $CIB ||
fatal "CIB $CIB does not exist: cannot proceed"
[ "$FORCE" ] && rm -f "$DONE_F"
if [ -f "$DONE_F" ]; then
info "Conversion to OpenAIS already done, exiting"
exit 0
fi
}
# some notes about unsupported stuff
unsupported() {
respawned_progs=`awk '/^respawn/{print $3}' $HA_CF |while read p; do basename $p; done`
grep -qs "^serial" $HA_CF &&
warning "serial media is not supported by OpenAIS"
for prog in $respawned_progs; do
case $prog in
mgmtd|pingd|evmsd) : these are fine
;;
*)
warning "program $prog is being controlled by heartbeat (thru respawn)"
warning "you have to find another way of running it"
;;
esac
done
}
#
# find nodes for this cluster
#
getnodes() {
# 1. hostcache
if [ -f $HOSTCACHE ]; then
awk '{print $1}' $HOSTCACHE
return
fi
# 2. ha.cf
getcfvar node
}
#
# does ssh work?
#
testsshuser() {
if [ "$2" ]; then
ssh -T -o Batchmode=yes $2@$1 true 2>/dev/null
else
ssh -T -o Batchmode=yes $1 true 2>/dev/null
fi
}
findsshuser() {
for u in "" $TRY_SSH; do
rc=0
for n in `getnodes`; do
[ "$node" = "$WE" ] && continue
testsshuser $n $u || {
rc=1
break
}
done
if [ $rc -eq 0 ]; then
echo $u
return 0
fi
done
return 1
}
important() {
echo "IMPORTANT: $*" >&2
}
newportinfo() {
important "the multicast port number on $1 is set to $2"
important "please update your firewall rules (if any)"
}
changemediainfo() {
important "$PRODUCT uses multicast for communication"
important "please make sure that your network infrastructure supports it"
}
multicastinfo() {
info "multicast for $PRODUCT ring $1 set to $2:$3"
}
netaddrinfo() {
info "network address for $PRODUCT ring $1 set to $2"
}
backup_files() {
[ "$TEST_DIR" ] && return
info "backing up $BACKUP_FILES to $BACKUPDIR"
$DRY mkdir $BACKUPDIR || {
echo sorry, could not create $BACKUPDIR directory
echo please cleanup
exit 1
}
if [ -z "$DRY" ]; then
tar cf - $BACKUP_FILES | gzip > $BACKUPDIR/$WE.tar.gz || {
echo sorry, could not create $BACKUPDIR/$WE.tar.gz
exit 1
}
else
$DRY "tar cf - $BACKUP_FILES | gzip > $BACKUPDIR/$WE.tar.gz"
fi
}
revert() {
[ "$TEST_DIR" ] && return
test -d $BACKUPDIR || {
echo sorry, there is no $BACKUPDIR directory
echo cannot revert
exit 1
}
info "restoring $BACKUP_FILES from $BACKUPDIR/$WE.tar.gz"
gzip -dc $BACKUPDIR/$WE.tar.gz | (cd / && tar xf -) || {
echo sorry, could not unpack $BACKUPDIR/$WE.tar.gz
exit 1
}
}
pls_press_enter() {
[ "$TEST_DIR" ] && return
cat<<EOF
Please press enter to continue or ^C to exit ...
EOF
read junk
echo ""
}
introduction() {
cat<<EOF
This is a Heartbeat to OpenAIS conversion tool.
* IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT *
Please read this and don't proceed before understanding what
we try to do and what is required.
1. You need to know your cluster in detail. This program will
inform you on changes it makes. It is up to you to verify
that the changes are meaningful. We will also probably ask
some questions now and again.
2. This procedure is supposed to be run on one node only.
Although the main cluster configuration (the CIB) is
automatically replicated, there are some things which have to
be copied by other means. For that to work, we need sshd
running on all nodes and root access working.
3. Do not run this procedure on more than one node!
EOF
pls_press_enter
cat<<EOF
The procedure consists of two parts: the OpenAIS
configuration and the Pacemaker/CRM CIB configuration.
The first part is obligatory. The second part may be skipped
unless your cluster configuration requires changes due to the
change from Heartbeat to OpenAIS.
We will try to analyze your configuration and let you know
whether the CIB configuration should be changed as well.
However, you will still have a choice to skip the CIB
mangling part in case you want to do that yourself.
The next step is to create the OpenAIS configuration. If you
want to leave, now is the time to interrupt the program.
EOF
pls_press_enter
}
confirm() {
while :; do
printf "$1 (y/n) "
read ans
if echo $ans | grep -iqs '^[yn]'; then
echo $ans | grep -iqs '^y'
return $?
else
echo Please answer with y or n
fi
done
}
want_to_proceed() {
[ "$TEST_DIR" ] && return 0
confirm "Do you want to proceed?"
}
intro_part2() {
cat<<EOF
The second part of the configuration deals with the CIB.
According to our analysis (you should have seen some
messages), this step is necessary.
EOF
want_to_proceed || return
}
gethbmedia() {
grep "^[bum]cast" $HA_CF
}
pl_ipcalc() {
perl -e '
# stolen from internet!
my $ipaddr=$ARGV[0];
my $nmask=$ARGV[1];
my @addrarr=split(/\./,$ipaddr);
my ( $ipaddress ) = unpack( "N", pack( "C4",@addrarr ) );
my @maskarr=split(/\./,$nmask);
my ( $netmask ) = unpack( "N", pack( "C4",@maskarr ) );
# Calculate network address by logical AND operation of addr &
# netmask
# and convert network address to IP address format
my $netadd = ( $ipaddress & $netmask );
my @netarr=unpack( "C4", pack( "N",$netadd ) );
my $netaddress=join(".",@netarr);
print "$netaddress\n";
' $1 $2
}
get_if_val() {
test "$1" || return
awk -v key=$1 '
{ for( i=1; i<=NF; i++ )
if( match($i,key) ) {
sub(key,"",$i);
print $i
exit
}
}'
}
netaddress() {
ip=`ifconfig $1 | grep 'inet addr:' | get_if_val addr:`
mask=`ifconfig $1 | grep 'Mask:' | get_if_val Mask:`
if test "$mask"; then
pl_ipcalc $ip $mask
else
warning "could not get the network mask for interface $1"
fi
}
sw=0
do_tabs() {
for i in `seq $sw`; do printf "\t"; done
}
newstanza() {
do_tabs
printf "%s {\n" $1
sw=$(($sw+1))
}
endstanza() {
sw=$(($sw-1))
do_tabs
printf "}\n"
}
setvalue() {
name=$1
val=$2
test "$val" || {
warning "sorry, no value set for $name"
}
do_tabs
echo "$name: $val"
}
setcomment() {
do_tabs
echo "# $*"
}
setdebug() {
[ "$HA_LOGLEVEL" = debug ] &&
echo "on" || echo "off"
}
WE=`uname -n` # who am i?
if [ "$1" = revert ]; then
revert
exit
fi
test -d $BACKUPDIR &&
fatal "please remove the backup directory: $BACKUPDIR"
prerequisites
introduction
backup_files
unsupported
# 1. Generate the openais.conf
prochbmedia() {
while read media_type iface address rest; do
info "Processing interface $iface of type $media_type ..."
case "$media_type" in
ucast|bcast) mcastaddr=226.94.1.1 ;;
mcast) mcastaddr=$address ;;
esac
if [ -z "$local_mcastport" ]; then
local_mcastport="$MCASTPORT"
fi
netaddress="`netaddress $iface`"
if [ "$netaddress" ]; then
let local_mcastport=$local_mcastport+1
newportinfo $iface $local_mcastport
echo "$netaddress" "$mcastaddr" "$local_mcastport"
else
warning "cannot process interface $iface!"
fi
done
}
openaisconf() {
info "Generating $AIS_CONF from $HA_CF ..."
# the totem stanza
cpunum=`grep -c ^processor /proc/cpuinfo`
setcomment "Generated by hb2openais on `date`"
setcomment "Please read the $AIS_CONF_BASE.5 manual page"
[ "$COROSYNC" ] &&
setvalue compatibility whitetank
newstanza aisexec
setcomment "Run as root - this is necessary to be able to manage resources with Pacemaker"
setvalue user root
setvalue group root
endstanza
newstanza service
setcomment "Load the Pacemaker Cluster Resource Manager"
setvalue name pacemaker
setvalue ver 0
if uselogd; then
setvalue use_logd yes
important "Make sure that the logd service is started (chkconfig logd on)"
fi
if grep -qs "^respawn.*mgmtd" $HA_CF; then
setvalue use_mgmtd yes
fi
endstanza
newstanza totem
setvalue version 2
setcomment "How long before declaring a token lost (ms)"
setvalue token 1000
setcomment "How many token retransmits before forming a new configuration"
setvalue token_retransmits_before_loss_const 20
setcomment "How long to wait for join messages in the membership protocol (ms)"
setvalue join 50
setcomment "How long to wait for consensus to be achieved before"
setcomment "starting a new round of membership configuration (ms)"
setvalue consensus 1200
setcomment "Turn off the virtual synchrony filter"
setvalue vsftype none
setcomment "Number of messages that may be sent by one processor on receipt of the token"
setvalue max_messages 20
setcomment "Limit generated nodeids to 31-bits (positive signed integers)"
setvalue clear_node_high_bit yes
setcomment "Enable encryption"
setvalue secauth $AUTHENTICATION
if [ "$AUTHENTICATION" = on ]; then
setvalue threads $cpunum
else
setvalue threads 0
fi
setcomment "Optionally assign a fixed node id (integer)"
setcomment "nodeid: 1234"
ring=0
gethbmedia | prochbmedia |
sort -u |
while read network addr port; do
if [ $ring -ge $MAXINTERFACE ]; then
warning "$PRODUCT supports only $MAXINTERFACE rings!"
info "consider bonding interfaces"
warning "skipping communication link on $network"
setcomment "$network skipped: too many rings"
continue
fi
newstanza interface
setvalue ringnumber $ring
setvalue bindnetaddr $network
netaddrinfo $ring $network
multicastinfo $ring $addr $port
setvalue mcastport $port
setvalue mcastaddr $addr
ring=$(($ring+1))
endstanza
done
mediacnt=`gethbmedia 2>/dev/null | prochbmedia 2>/dev/null | sort -u | wc -l`
if [ $mediacnt -ge 2 ]; then
setvalue rrp_mode $RRP_MODE
fi
changemediainfo
endstanza
# the logging stanza
getlogvars
# enforce some syslog facility
[ "$COROSYNC" ] &&
TO_FILE=to_logfile ||
TO_FILE=to_file
debugsetting=`setdebug`
newstanza logging
setvalue debug $debugsetting
setvalue fileline off
setvalue to_stderr no
setvalue timestamp off
if [ "$HA_LOGFILE" ]; then
setvalue $TO_FILE yes
setvalue logfile $HA_LOGFILE
else
setvalue $TO_FILE no
fi
if [ "$HA_LOGFACILITY" ]; then
setvalue to_syslog yes
setvalue syslog_facility $HA_LOGFACILITY
else
setvalue to_syslog no
fi
newstanza logger_subsys
setvalue subsys AMF
setvalue debug $debugsetting
endstanza
endstanza
newstanza amf
setvalue mode disabled
endstanza
}
if [ -z "$DRY" ]; then
openaisconf > $AIS_CONF ||
fatal "cannot create $AIS_CONF"
grep -wqs interface $AIS_CONF ||
fatal "no media found in $HA_CF"
else
openaisconf
fi
[ "$AIS_KEYF" ] && {
info "Generating a key for OpenAIS authentication ..."
if [ "$TEST_DIR" ]; then
echo would run: $DRY $KEYGEN_PROG
else
$DRY $KEYGEN_PROG ||
fatal "cannot generate the key using $KEYGEN_PROG"
fi
}
# remove various files which could get in a way
if [ -z "$TEST_DIR" ]; then
$DRY rm -f $RM_FILES
fi
fixcibperms() {
[ "$TEST_DIR" ] && return
uid=`ls -ldn $CRM_VARLIB | awk '{print $3}'`
gid=`ls -ldn $CRM_VARLIB | awk '{print $4}'`
$DRY $MYSUDO chown $uid:$gid $CIB
}
upgrade_cib() {
$DRY $MYSUDO cibadmin --upgrade --force
$DRY $MYSUDO crm_verify -V -x $CIB_file
}
py_proc_cib() {
tmpfile=`maketempfile`
$MYSUDO sh -c "python $PY_HELPER $* <$CIB >$tmpfile" ||
fatal "cannot process cib: $PY_HELPER $*"
$DRY $MYSUDO mv $tmpfile $CIB
}
set_property() {
py_proc_cib set_property $*
}
# remove the nodes section from the CIB
py_proc_cib set_node_ids
info "Edited the nodes' ids in the CIB"
numnodes=`getnodes | wc -w`
[ $numnodes -eq 2 ] &&
set_property no-quorum-policy ignore
set_property expected-nodes $numnodes overwrite
info "Done converting ha.cf to $AIS_CONF_BASE"
important "Please check the resulting $AIS_CONF"
important "and in particular interface stanzas and logging."
important "If you find problems, please edit $AIS_CONF now!"
#
# first part done (openais), on to the CIB
analyze_cib() {
info "Analyzing the CIB..."
$MYSUDO sh -c "python $PY_HELPER analyze_cib <$CIB"
}
check_respawns() {
rc=1
for p in $SUPPORTED_RESPAWNS; do
grep -qs "^respawn.*$p" $HA_CF && {
info "a $p resource has to be created"
rc=0
}
done
return $rc
}
part2() {
intro_part2 || return 0
opts="-c $HA_CF"
[ "$TEST_DIR" ] && opts="-T $opts"
py_proc_cib $opts convert_cib
info "Processed the CIB successfully"
}
# make the user believe that something's happening :)
some_dots_idle() {
[ "$TEST_DIR" ] && return
cnt=0
printf "$2 ."
while [ $cnt -lt $1 ]; do
sleep 1
printf "."
ctn=$((cnt+1))
done
echo
}
print_dc() {
crm_mon -1 | awk '/Current DC/{print $3}'
}
dcidle() {
dc=`$MYSUDO print_dc`
if [ "$dc" = "$WE" ]; then
maxcnt=60 cnt=0
while [ $cnt -lt $maxcnt ]; do
stat=`$MYSUDO crmadmin -S $dc`
echo $stat | grep -qs S_IDLE && break
[ "$1" = "-v" ] && echo $stat
sleep 1
printf "."
cnt=$((cnt+1))
done
echo $stat | grep -qs S_IDLE
else
some_dots_idle 10 #just wait for 10 seconds
fi
}
wait_crm() {
[ "$TEST_DIR" ] && return
cnt=10
dc=""
while [ -z "$dc" -a $cnt -gt 0 ]; do
dc=`$MYSUDO print_dc`
cnt=$((cnt-1))
done
if [ x = x"$dc" ]; then
echo "sorry, no dc found/elected"
exit 1
fi
dcidle
}
manage_cluster() {
if [ "$TEST_DIR" ]; then
echo would run: /etc/init.d/openais $1
else
$DRY /etc/init.d/openais $1
fi
}
tune_ocfs2() {
cat<<EOF
The ocfs2 metadata has to change to reflect the cluster stack
change. To do that, we have to start the cluster stack on
this node.
EOF
pls_press_enter
py_proc_cib manage_ocfs2 stop
manage_cluster start
some_dots_idle 10 "waiting for crm to start"
if $DRY wait_crm; then
for fsdev; do
info "converting the ocfs2 meta-data on $fsdev"
if [ "$TEST_DIR" ]; then
echo would run: tunefs.ocfs2 --update-cluster-stack -y $fsdev
else
$DRY tunefs.ocfs2 --update-cluster-stack -y $fsdev
fi
done
else
fatal "could not start pacemaker; please check the logs"
fi
manage_cluster stop
py_proc_cib manage_ocfs2 start
}
convert_csm() {
info "converting all EVMS2 CSM containers"
if [ "$TEST_DIR" ]; then
echo would run: /usr/sbin/csm-converter --scan
else
$DRY /usr/sbin/csm-converter --scan ||
fatal "CSM conversion failed! Aborting"
fi
}
analyze_cib
rc=$?
[ $rc -gt 1 ] && fatal "error while analyzing CIB"
if [ $rc -eq 1 ] || check_respawns; then
part2
else
info "No need to process CIB further"
fi
# upgrade the CIB to v1.0
if [ "$UPGRADE" ]; then
upgrade_cib
info "Upgraded the CIB to v1.0"
else
info "Skipped upgrading the CIB to v1.0"
important "You should do this sooner rather than later!"
fi
fixcibperms
convert_csm
ocfs2_devs=`$MYSUDO sh -c "python $PY_HELPER $opts print_ocfs2_devs <$CIB"`
[ "$ocfs2_devs" ] &&
tune_ocfs2 $ocfs2_devs
[ "$TEST_DIR" ] && exit
$DRY touch $DONE_F
# finally, copy files to all nodes
info "Copying files to other nodes ..."
info "(please provide root password if prompted)"
ssh_opts="-l root $SSH_OPTS"
rc=0
for node in `getnodes`; do
[ "$node" = "$WE" ] &&
continue
if [ "$DRY" ]; then
$DRY "(cd / && tar cf - $DIST_FILES) |
ssh $ssh_opts $node \"rm -f $REMOTE_RM_FILES &&
cd / && tar xf -\""
else
echo "Copying to node $node ..."
(cd / && tar cf - $DIST_FILES) |
ssh $ssh_opts $node "rm -f $REMOTE_RM_FILES &&
cd / && tar xf -"
rc=$(($rc+$?))
fi
done
info "Done transfering files"
if [ $rc -ne 0 ]; then
warning "we could not update some ssh nodes"
important "before starting the cluster stack on those nodes:"
important "copy and unpack $MAN_TARF (from the / directory)"
important "and execute: rm -f $REMOTE_RM_FILES"
(cd / && tar cf - $DIST_FILES | gzip > $MAN_TARF)
fi
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