diff --git a/tools/report.common.in b/tools/report.common.in
index 9b43486271..70c920cc89 100644
--- a/tools/report.common.in
+++ b/tools/report.common.in
@@ -1,902 +1,920 @@
# Copyright (C) 2007 Dejan Muhamedagic <dmuhamedagic@suse.de>
# Almost everything as part of hb_report
# Copyright (C) 2010 Andrew Beekhof <andrew@beekhof.net>
# Cleanups, refactoring, extensions
#
#
# 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
#
host=`uname -n`
shorthost=`echo $host | sed s:\\\\..*::`
if [ -z $verbose ]; then
verbose=0
fi
# Target Files
EVENTS_F=events.txt
ANALYSIS_F=analysis.txt
DESCRIPTION_F=description.txt
HALOG_F=cluster-log.txt
BT_F=backtraces.txt
SYSINFO_F=sysinfo.txt
SYSSTATS_F=sysstats.txt
DLM_DUMP_F=dlm_dump.txt
CRM_MON_F=crm_mon.txt
MEMBERSHIP_F=members.txt
HB_UUID_F=hb_uuid.txt
HOSTCACHE=hostcache
CRM_VERIFY_F=crm_verify.txt
PERMISSIONS_F=permissions.txt
CIB_F=cib.xml
CIB_TXT_F=cib.txt
EVENT_PATTERNS="
state do_state_transition
membership pcmk_peer_update.*(lost|memb):
quorum crmd.*crm_update_quorum|crmd.*ais.disp.*quorum.(lost|ac?quir)
pause Process.pause.detected
resources lrmd.*rsc:(start|stop)
stonith te_fence_node|stonith-ng.*log_oper.*report|stonithd.*(requests|(Succeeded|Failed).to.STONITH|result=)
start_stop sutdown.decision|Starting.heartbeat|Corosync.Cluster.Engine|corosync.*Initializing.transport|Executive.Service.RELEASE|crm_shutdown:.Requesting.shutdown|pcmk_shutdown:.Shutdown.complete
"
# superset of all packages of interest on all distros
# (the package manager will be used to validate the installation
# of any of these packages that are installed)
PACKAGES="pacemaker pacemaker-libs pacemaker-cluster-libs libpacemaker3
pacemaker-remote pacemaker-pygui pacemaker-pymgmt pymgmt-client
openais libopenais2 libopenais3 corosync libcorosync4
resource-agents cluster-glue-libs cluster-glue libglue2 ldirectord
heartbeat heartbeat-common heartbeat-resources libheartbeat2
ocfs2-tools ocfs2-tools-o2cb ocfs2console
ocfs2-kmp-default ocfs2-kmp-pae ocfs2-kmp-xen ocfs2-kmp-debug ocfs2-kmp-trace
drbd drbd-kmp-xen drbd-kmp-pae drbd-kmp-default drbd-kmp-debug drbd-kmp-trace
drbd-heartbeat drbd-pacemaker drbd-utils drbd-bash-completion drbd-xen
lvm2 lvm2-clvm cmirrord
libdlm libdlm2 libdlm3
hawk ruby lighttpd
kernel-default kernel-pae kernel-xen
glibc
"
# Potential locations of system log files
SYSLOGS="
/var/log/*
/var/logs/*
/var/syslog/*
/var/adm/*
/var/log/ha/*
/var/log/cluster/*
"
# Whether pacemaker_remoted was found (0 = yes, 1 = no, -1 = haven't looked yet)
REMOTED_STATUS=-1
#
# keep the user posted
#
record() {
if [ x != x"$REPORT_HOME" -a -d "${REPORT_HOME}/$shorthost" ]; then
rec="${REPORT_HOME}/$shorthost/report.out"
elif [ x != x"${l_base}" -a -d "${l_base}" ]; then
rec="${l_base}/report.summary"
else
rec="/dev/null"
fi
printf "%-10s $*\n" "$shorthost:" 2>&1 >> "${rec}"
}
log() {
printf "%-10s $*\n" "$shorthost:" 1>&2
record "$*"
}
debug() {
if [ $verbose -gt 0 ]; then
log "Debug: $*"
else
record "Debug: $*"
fi
}
info() {
log "$*"
}
warning() {
log "WARN: $*"
}
fatal() {
log "ERROR: $*"
exit 1
}
is_running() {
ps -ef | egrep -qs $(echo "$1" | sed -e 's/^\(.\)/[\1]/')
}
has_remoted() {
if [ $REMOTED_STATUS -eq -1 ]; then
REMOTED_STATUS=1
if which pacemaker_remoted >/dev/null 2>&1; then
REMOTED_STATUS=0
elif [ -x "@sbindir@/pacemaker_remoted" ]; then
REMOTED_STATUS=0
else
# @TODO: the binary might be elsewhere,
# but a global search is too expensive
for d in /{usr,opt}/{local/,}{s,}bin; do
if [ -x "${d}/pacemaker_remoted" ]; then
REMOTED_STATUS=0
fi
done
fi
fi
return $REMOTED_STATUS
}
# found_dir <description> <dirname>
found_dir() {
echo "$2"
info "Pacemaker $1 found in: $2"
}
detect_daemon_dir() {
info "Searching for where Pacemaker daemons live... this may take a while"
for d in \
{/usr,/usr/local,/opt/local,@exec_prefix@}/{libexec,lib64,lib}/{pacemaker,heartbeat}
do
# pacemaker and pacemaker-cts packages can install to daemon directory,
# so check for a file from each
if [ -e $d/pengine ] || [ -e $d/lrmd_test ]; then
found_dir "daemons" "$d"
return
fi
done
# Pacemaker Remote nodes don't need to install daemons
if has_remoted; then
info "Pacemaker daemons not found (this appears to be a Pacemaker Remote node)"
return
fi
for f in $(find / -maxdepth $maxdepth -type f -name pengine -o -name lrmd_test); do
d=$(dirname "$f")
found_dir "daemons" "$d"
return
done
fatal "Pacemaker daemons not found (nonstandard installation?)"
}
detect_cib_dir() {
for d in $local_state_dir/lib/{pacemaker/cib,heartbeat/crm}; do
if [ "-f $d/cib.xml" ]; then
found_dir "config files" "$d"
return
fi
done
# Pacemaker Remote nodes don't need a CIB
if has_remoted; then
info "Pacemaker config not found (this appears to be a Pacemaker Remote node)"
return
fi
info "Searching for where Pacemaker keeps config information... this may take a while"
# TODO: What about false positives where someone copied the CIB?
for f in $(find / -maxdepth $maxdepth -type f -name cib.xml); do
d=$(dirname $f)
found_dir "config files" "$d"
return
done
warning "Pacemaker config not found (nonstandard installation?)"
}
detect_state_dir() {
if [ -n "$CRM_CONFIG_DIR" ]; then
# Assume new layout
# $local_state_dir/lib/pacemaker/(cib,pengine,blackbox,cores)
dirname "$CRM_CONFIG_DIR"
# Pacemaker Remote nodes might not have a CRM_CONFIG_DIR
elif [ -d "$local_state_dir/lib/pacemaker" ]; then
echo $local_state_dir/lib/pacemaker
fi
}
detect_pe_dir() {
config_root="$1"
d="$config_root/pengine"
if [ -d "$d" ]; then
found_dir "policy engine inputs" "$d"
return
fi
if has_remoted; then
info "Pacemaker policy engine inputs not found (this appears to be a Pacemaker Remote node)"
return
fi
info "Searching for where Pacemaker keeps Policy Engine inputs... this may take a while"
for d in $(find / -maxdepth $maxdepth -type d -name pengine); do
found_dir "policy engine inputs" "$d"
return
done
fatal "Pacemaker policy engine inputs not found (nonstandard installation?)"
}
detect_host() {
local_state_dir=@localstatedir@
if [ -d $local_state_dir/run ]; then
CRM_STATE_DIR=$local_state_dir/run/crm
else
info "Searching for where Pacemaker keeps runtime data... this may take a while"
for d in `find / -maxdepth $maxdepth -type d -name run`; do
local_state_dir=`dirname $d`
CRM_STATE_DIR=$d/crm
break
done
info "Found: $CRM_STATE_DIR"
fi
debug "Machine runtime directory: $local_state_dir"
debug "Pacemaker runtime data located in: $CRM_STATE_DIR"
CRM_DAEMON_DIR=$(detect_daemon_dir)
CRM_CONFIG_DIR=$(detect_cib_dir)
config_root=$(detect_state_dir)
# Older versions had none
BLACKBOX_DIR=$config_root/blackbox
debug "Pacemaker blackboxes (if any) located in: $BLACKBOX_DIR"
PE_STATE_DIR=$(detect_pe_dir "$config_root")
HA_STATE_DIR=$local_state_dir/lib/heartbeat
debug "Assuming Heartbeat state files, if any, are located in: $HA_STATE_DIR"
CRM_CORE_DIRS=""
for d in $config_root/cores $HA_STATE_DIR/cores $local_state_dir/lib/corosync $local_state_dir/lib/openais; do
if [ -d $d ]; then
CRM_CORE_DIRS="$CRM_CORE_DIRS $d"
fi
done
debug "Core files located under: $CRM_CORE_DIRS"
}
time2str() {
perl -e "use POSIX; print strftime('%x %X',localtime($1));"
}
get_time() {
perl -e "\$time=\"$*\";" -e '
$unix_tm = 0;
eval "use Date::Parse";
if (index($time, ":") < 0) {
} elsif (!$@) {
$unix_tm = str2time($time);
} else {
eval "use Date::Manip";
if (!$@) {
$unix_tm = UnixDate(ParseDateString($time), "%s");
}
}
if ($unix_tm != "") {
print int($unix_tm);
} else {
print "";
}
'
}
get_time_() {
warning "Unknown time format used by: $*"
}
get_time_syslog() {
awk '{print $1,$2,$3}'
}
get_time_legacy() {
awk '{print $2}' | sed 's/_/ /'
}
get_time_iso8601() {
awk '{print $1}'
}
get_time_format_for_string() {
l="$*"
t=$(get_time `echo $l | get_time_syslog`)
if [ "x$t" != x ]; then
echo syslog
return
fi
t=$(get_time `echo $l | get_time_iso8601`)
if [ "x$t" != x ]; then
echo iso8601
return
fi
t=$(get_time `echo $l | get_time_legacy`)
if [ "x$t" != x ]; then
echo legacy
return
fi
}
get_time_format() {
t=0 l="" func=""
trycnt=10
while [ $trycnt -gt 0 ] && read l; do
func=$(get_time_format_for_string $l)
if [ "x$func" != x ]; then
break
fi
trycnt=$(($trycnt-1))
done
#debug "Logfile uses the $func time format"
echo $func
}
get_first_time() {
l=""
format=$1
while read l; do
t=$(echo $l | get_time_$format)
ts=$(get_time $t)
if [ "x$ts" != x ]; then
echo "$ts"
return
fi
done
}
get_last_time() {
l=""
best=`date +%s` # Now
format=$1
while read l; do
t=$(echo $l | get_time_$format)
ts=$(get_time $t)
if [ "x$ts" != x ]; then
best=$ts
fi
done
echo $best
}
linetime() {
l=`tail -n +$2 $1 | grep -a ":[0-5][0-9]:" | head -n 1`
format=`get_time_format_for_string $l`
t=`echo $l | get_time_$format`
get_time "$t"
}
#
# findmsg <max> <pattern>
#
# Print the names of up to <max> system logs that contain <pattern>,
# ordered by most recently modified.
#
findmsg() {
max=$1
pattern="$2"
found=0
# List all potential system logs ordered by most recently modified.
candidates=$(ls -1td $SYSLOGS 2>/dev/null)
if [ -z "$candidates" ]; then
debug "No system logs found to search for pattern \'$pattern\'"
return
fi
# Portable way to handle files with spaces in their names.
SAVE_IFS=$IFS
IFS="
"
# Check each log file for matches.
logfiles=""
for f in $candidates; do
- local cat=$(find_decompressor "$f")
- $cat "$f" 2>/dev/null | grep -q -e "$pattern"
+ local cat=""
+
+ # We only care about readable files with something in them.
+ if [ ! -f "$f" ] || [ ! -r "$f" ] || [ ! -s "$f" ] ; then
+ continue
+ fi
+
+ cat=$(find_decompressor "$f")
+
+ # We want to avoid grepping through potentially huge binary logs such
+ # as lastlog. However, control characters sometimes find their way into
+ # text logs, so we use a heuristic of more than 256 nonprintable
+ # characters in the file's first kilobyte.
+ if [ $($cat "$f" 2>/dev/null | head -c 1024 | tr -d '[:print:][:space:]' | wc -c) -gt 256 ]
+ then
+ continue
+ fi
+
+ # Our patterns are ASCII, so we can use LC_ALL="C" to speed up grep
+ $cat "$f" 2>/dev/null | LC_ALL="C" grep -q -e "$pattern"
if [ $? -eq 0 ]; then
# Add this file to the list of hits
# (using newline as separator to handle spaces in names).
if [ -z "$logfiles" ]; then
logfiles="$f"
else
logfiles="$logfiles
$f"
fi
# If we have enough hits, print them and return.
found=$(($found+1))
if [ $found -ge $max ]; then
debug "Pattern \'$pattern\' found in: [ $logfiles ]"
IFS=$SAVE_IFS
echo "$logfiles"
return
fi
fi
done 2>/dev/null
IFS=$SAVE_IFS
debug "Pattern \'$pattern\' not found in any system logs"
}
node_events() {
if [ -e $1 ]; then
Epatt=`echo "$EVENT_PATTERNS" |
while read title p; do [ -n "$p" ] && echo -n "|$p"; done |
sed 's/.//'
`
grep -E "$Epatt" $1
fi
}
pickfirst() {
for x; do
which $x >/dev/null 2>&1 && {
echo $x
return 0
}
done
return 1
}
shrink() {
olddir=$PWD
dir=`dirname $1`
base=`basename $1`
target=$1.tar
tar_options="cf"
variant=`pickfirst bzip2 gzip xz false`
case $variant in
bz*)
tar_options="jcf"
target="$target.bz2"
;;
gz*)
tar_options="zcf"
target="$target.gz"
;;
xz*)
tar_options="Jcf"
target="$target.xz"
;;
*)
warning "Could not find a compression program, the resulting tarball may be huge"
;;
esac
if [ -e $target ]; then
fatal "Destination $target already exists, specify an alternate name with --dest"
fi
cd $dir >/dev/null 2>&1
tar $tar_options $target $base >/dev/null 2>&1
cd $olddir >/dev/null 2>&1
echo $target
}
findln_by_time() {
local logf=$1
local tm=$2
local first=1
# Some logs can be massive (over 1,500,000,000 lines have been seen in the wild)
# Even just 'wc -l' on these files can take 10+ minutes
local fileSize=`ls -lh | awk '{ print $5 }' | grep -ie G`
if [ x$fileSize != x ]; then
warning "$logf is ${fileSize} in size and could take many hours to process. Skipping."
return
fi
local last=`wc -l < $logf`
while [ $first -le $last ]; do
mid=$((($last+$first)/2))
trycnt=10
while [ $trycnt -gt 0 ]; do
tmid=`linetime $logf $mid`
[ "$tmid" ] && break
warning "cannot extract time: $logf:$mid; will try the next one"
trycnt=$(($trycnt-1))
# shift the whole first-last segment
first=$(($first-1))
last=$(($last-1))
mid=$((($last+$first)/2))
done
if [ -z "$tmid" ]; then
warning "giving up on log..."
return
fi
if [ $tmid -gt $tm ]; then
last=$(($mid-1))
elif [ $tmid -lt $tm ]; then
first=$(($mid+1))
else
break
fi
done
echo $mid
}
dumplog() {
local logf=$1
local from_line=$2
local to_line=$3
[ "$from_line" ] ||
return
tail -n +$from_line $logf |
if [ "$to_line" ]; then
head -$(($to_line-$from_line+1))
else
cat
fi
}
#
# find log/set of logs which are interesting for us
#
#
# find log slices
#
find_decompressor() {
case $1 in
*bz2) echo "bzip2 -dc" ;;
*gz) echo "gzip -dc" ;;
*xz) echo "xz -dc" ;;
*) echo "cat" ;;
esac
}
#
# check if the log contains a piece of our segment
#
is_our_log() {
local logf=$1
local from_time=$2
local to_time=$3
local cat=`find_decompressor $logf`
local format=`$cat $logf | get_time_format`
local first_time=`$cat $logf | head -10 | get_first_time $format`
local last_time=`$cat $logf | tail -10 | get_last_time $format`
if [ x = "x$first_time" -o x = "x$last_time" ]; then
warning "Skipping bad logfile '$1': Could not determine log dates"
return 0 # skip (empty log?)
fi
if [ $from_time -gt $last_time ]; then
# we shouldn't get here anyway if the logs are in order
return 2 # we're past good logs; exit
fi
if [ $from_time -ge $first_time ]; then
return 3 # this is the last good log
fi
# have to go further back
if [ x = "x$to_time" -o $to_time -ge $first_time ]; then
return 1 # include this log
else
return 0 # don't include this log
fi
}
#
# go through archived logs (timewise backwards) and see if there
# are lines belonging to us
# (we rely on untouched log files, i.e. that modify time
# hasn't been changed)
#
arch_logs() {
local logf=$1
local from_time=$2
local to_time=$3
# look for files such as: ha-log-20090308 or
# ha-log-20090308.gz (.bz2) or ha-log.0, etc
ls -t $logf $logf*[0-9z] 2>/dev/null |
while read next_log; do
is_our_log $next_log $from_time $to_time
case $? in
0) ;; # noop, continue
1) echo $next_log # include log and continue
debug "Found log $next_log"
;;
2) break;; # don't go through older logs!
3) echo $next_log # include log and continue
debug "Found log $next_log"
break
;; # don't go through older logs!
esac
done
}
#
# print part of the log
#
drop_tmp_file() {
[ -z "$tmp" ] || rm -f "$tmp"
}
print_logseg() {
local logf=$1
local from_time=$2
local to_time=$3
# uncompress to a temp file (if necessary)
local cat=`find_decompressor $logf`
if [ "$cat" != "cat" ]; then
tmp=`mktemp`
$cat $logf > $tmp
trap drop_tmp_file 0
sourcef=$tmp
else
sourcef=$logf
tmp=""
fi
if [ "$from_time" = 0 ]; then
FROM_LINE=1
else
FROM_LINE=`findln_by_time $sourcef $from_time`
fi
if [ -z "$FROM_LINE" ]; then
warning "couldn't find line for time $from_time; corrupt log file?"
return
fi
TO_LINE=""
if [ "$to_time" != 0 ]; then
TO_LINE=`findln_by_time $sourcef $to_time`
if [ -z "$TO_LINE" ]; then
warning "couldn't find line for time $to_time; corrupt log file?"
return
fi
if [ $FROM_LINE -lt $TO_LINE ]; then
dumplog $sourcef $FROM_LINE $TO_LINE
log "Including segment [$FROM_LINE-$TO_LINE] from $logf"
else
debug "Empty segment [$FROM_LINE-$TO_LINE] from $logf"
fi
else
dumplog $sourcef $FROM_LINE $TO_LINE
log "Including all logs after line $FROM_LINE from $logf"
fi
drop_tmp_file
trap "" 0
}
#
# find log/set of logs which are interesting for us
#
dumplogset() {
local logf=$1
local from_time=$2
local to_time=$3
local logf_set=`arch_logs $logf $from_time $to_time`
if [ x = "x$logf_set" ]; then
return
fi
local num_logs=`echo "$logf_set" | wc -l`
local oldest=`echo $logf_set | awk '{print $NF}'`
local newest=`echo $logf_set | awk '{print $1}'`
local mid_logfiles=`echo $logf_set | awk '{for(i=NF-1; i>1; i--) print $i}'`
# the first logfile: from $from_time to $to_time (or end)
# logfiles in the middle: all
# the last logfile: from beginning to $to_time (or end)
case $num_logs in
1) print_logseg $newest $from_time $to_time;;
*)
print_logseg $oldest $from_time 0
for f in $mid_logfiles; do
`find_decompressor $f` $f
debug "including complete $f logfile"
done
print_logseg $newest 0 $to_time
;;
esac
}
# cut out a stanza
getstanza() {
awk -v name="$1" '
!in_stanza && NF==2 && /^[a-z][a-z]*[[:space:]]*{/ { # stanza start
if ($1 == name)
in_stanza = 1
}
in_stanza { print }
in_stanza && NF==1 && $1 == "}" { exit }
'
}
# supply stanza in $1 and variable name in $2
# (stanza is optional)
getcfvar() {
cf_type=$1; shift;
cf_var=$1; shift;
cf_file=$*
[ -f "$cf_file" ] || return
case $cf_type in
cman)
grep $cf_var $cf_file | sed s/.*$cf_var=\"// | sed s/\".*//
;;
corosync|openais)
sed 's/#.*//' < $cf_file |
if [ $# -eq 2 ]; then
getstanza "$cf_var"
shift 1
else
cat
fi |
awk -v varname="$cf_var" '
NF==2 && match($1,varname":$")==1 { print $2; exit; }
'
;;
heartbeat)
sed 's/#.*//' < $cf_file |
grep -w "^$cf_var" |
sed 's/^[^[:space:]]*[[:space:]]*//'
;;
logd)
sed 's/#.*//' < $cf_file |
grep -w "^$cf_var" |
sed 's/^[^[:space:]]*[[:space:]]*//'
;;
esac
}
pickfirst() {
for x; do
which $x >/dev/null 2>&1 && {
echo $x
return 0
}
done
return 1
}
#
# figure out the cluster type, depending on the process list
# and existence of configuration files
#
get_cluster_type() {
if is_running corosync; then
tool=`pickfirst corosync-objctl corosync-cmapctl`
case $tool in
*objctl) quorum=`$tool -a | grep quorum.provider | sed 's/.*=\s*//'`;;
*cmapctl) quorum=`$tool | grep quorum.provider | sed 's/.*=\s*//'`;;
esac
if [ x"$quorum" = x"quorum_cman" ]; then
stack="cman"
else
stack="corosync"
fi
elif is_running aisexec; then
stack="openais"
elif
ps -ef | grep -v -e grep -e "eartbeat/[clasp]" | egrep -qs '[h]eartbeat'
then
stack="heartbeat"
# Now we're guessing...
elif [ -f /etc/cluster/cluster.conf ]; then
stack="cman"
# TODO: Technically these could be anywhere :-/
elif [ -f /etc/corosync/corosync.conf ]; then
stack="corosync"
elif [ -f /etc/ais/openais.conf ]; then
stack="openais"
elif [ -f /etc/ha.d/ha.cf ]; then
stack="heartbeat"
else
# We still don't know. This might be a Pacemaker Remote node,
# or the configuration might be in a nonstandard location.
stack="any"
fi
debug "Detected the '$stack' cluster stack"
echo $stack
}
find_cluster_cf() {
case $1 in
cman) echo "/etc/cluster/cluster.conf";;
corosync)
best_size=0
best_file=""
# TODO: Technically these could be anywhere :-/
for cf in /etc/ais/openais.conf /etc/corosync/corosync.conf; do
if [ -f $cf ]; then
size=`wc -l $cf | awk '{print $1}'`
if [ $size -gt $best_size ]; then
best_size=$size
best_file=$cf
fi
fi
done
if [ -z "$best_file" ]; then
debug "Looking for corosync configuration file. This may take a while..."
for f in `find / -maxdepth $maxdepth -type f -name corosync.conf`; do
best_file=$f
break
done
fi
debug "Located corosync config file: $best_file"
echo "$best_file"
;;
openais)
# TODO: Technically it could be anywhere :-/
cf="/etc/ais/openais.conf"
if [ -f $cf ]; then
echo "$cf"
fi
;;
heartbeat)
cf="/etc/ha.d/ha.cf"
if [ -f $cf ]; then
echo "$cf"
fi
;;
any)
# Cluster type is undetermined. Don't complain, because this
# might be a Pacemaker Remote node.
;;
*)
warning "Unknown cluster type: $1"
;;
esac
}
#
# check for the major prereq for a) parameter parsing and b)
# parsing logs
#
t=`get_time "12:00"`
if [ "$t" = "" ]; then
fatal "please install the perl Date::Parse module (perl-DateTime-Format-DateParse on Fedora/Red Hat)"
fi
# vim: set expandtab tabstop=8 softtabstop=4 shiftwidth=4 textwidth=80: