checkmk-plugins/check_mk-informix/plugins/mk_informix
2022-11-23 19:03:53 +02:00

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#!/bin/bash
# Copyright (C) 2019 tribe29 GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.
# Reason for this no-op: shellcheck disable=... before the first command disables the error for the
# entire script.
:
# Disable unused variable error (needed to keep track of version)
# shellcheck disable=SC2034
CMK_VERSION="2.0.0p17"
# Informix
# Make ENV-VARs avail for subshells
set -a
# .--helper--------------------------------------------------------------.
# | _ _ |
# | | |__ ___| |_ __ ___ _ __ |
# | | '_ \ / _ \ | '_ \ / _ \ '__| |
# | | | | | __/ | |_) | __/ | |
# | |_| |_|\___|_| .__/ \___|_| |
# | |_| |
# '----------------------------------------------------------------------'
function do_check () {
# $1:section, $2:excludelist
if echo "$2" | grep -qe "${1}"; then
return 1
else
return 0
fi
}
function sql () {
db="sysmaster"
sqltxt="$1"
export DBDELIMITER="|"
echo "$sqltxt" | dbaccess ${db}
}
function set_excludes () {
excludes=""
if [ "$EXCLUDES" = "ALL" ]; then
excludes="$all_sections"
global_exclude=true
elif [ ! -z "$EXCLUDES" ]; then
excludes=$EXCLUDES
global_exclude=true
else
global_exclude=false
fi
if [ "$global_exclude" = "false" ]; then
excludes_i="EXCLUDES_${1}"
if [ "${!excludes_i}" = "ALL" ]; then
excludes="$all_sections"
elif [ ! -z "${!excludes_i}" ]; then
excludes=${!excludes_i}
fi
fi
}
#.
# .--sqls----------------------------------------------------------------.
# | _ |
# | ___ __ _| |___ |
# | / __|/ _` | / __| |
# | \__ \ (_| | \__ \ |
# | |___/\__, |_|___/ |
# | |_| |
# '----------------------------------------------------------------------'
all_sections="sessions locks tabextents dbspaces logusage"
function informix_status(){
echo "<<<informix_status:sep(58)>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
$INFORMIXDIR/bin/onstat - >/dev/null 2>&1
state=$?
echo "Status:"$state
$INFORMIXDIR/bin/onstat -g dis
port=$(grep $INFORMIXSERVER /etc/services)
echo "PORT:"$port
}
function informix_sessions(){
echo "<<<informix_sessions>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
# don't count our own session
sql "select 'SESSIONS', (count(*)-1)::int from syssessions"
}
function informix_locks(){
echo "<<<informix_locks>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
# don't count our own session
sql "select 'LOCKS', (count(*)-1)::int, type from syslocks group by type"
}
function informix_tabextents(){
echo "<<<informix_tabextents>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
sql "select first 10
'TABEXTENTS',
trim(n.dbsname) db,
trim(n.tabname) tab,
h.nextns extents,
nrows
from sysptnhdr h, systabnames n
where h.partnum = n.partnum
and nrows > 0
and n.dbsname not in ( 'sysadmin', 'sysuser', 'sysutils', 'sysmaster' )
and n.tabname not like 'sys%'
order by extents desc"
}
function informix_dbspaces(){
echo "<<<informix_dbspaces>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
sql "select
trim(sd.name) || ' DBSPACE',
sd.dbsnum,
sd.is_temp,
sd.flags,
'CHUNK',
sc.fname,
sc.pagesize,
sc.chksize,
sc.nfree,
sc.flags,
trim(sc.mfname),
sc.mflags
from sysdbspaces sd, syschunks sc
where sd.dbsnum = sc.dbsnum
-- NO SBSPACE CURRENTLY
and sd.is_sbspace = 0
order by sd.name"
}
function informix_logusage(){
echo "<<<informix_logusage>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
sql "select 'LOGUSAGE',
number,
sh_pagesize,
size,
used,
flags,
'is_used:'||is_used,
'is_current:'||is_current,
'is_backed_up:'||is_backed_up,
'is_new:'||is_new,
'is_archived:'||is_archived,
'is_temp:'||is_temp,
'is_pre_dropped:'||is_pre_dropped
from syslogs, sysshmvals
order by number"
}
function informix_transactions(){
echo "<<<informix_transactions>>>"
echo "[[[$INFORMIXSERVER/$SERVERNUM]]]"
$INFORMIXDIR/bin/onstat -l | grep C | tail -n 1
$INFORMIXDIR/bin/onstat -x |egrep -v "IBM|maximum|Transactions|est.|userthread" | sed 's/:[^:]*$//'
}
#.
# .--config--------------------------------------------------------------.
# | __ _ |
# | ___ ___ _ __ / _(_) __ _ |
# | / __/ _ \| '_ \| |_| |/ _` | |
# | | (_| (_) | | | | _| | (_| | |
# | \___\___/|_| |_|_| |_|\__, | |
# | |___/ |
# '----------------------------------------------------------------------'
# Config opts:
# - oninit-path; Default is empty, which means autodetection:
# ONINIT_PATH=<path to oninit-binary>
# - Excluding sections ("status sessions locks tabextents dbspaces logusage"):
# EXCLUDES_INFORMIX_INSTANCE="SECTION SECTION ..."
# EXCLUDES_INFORMIX_INSTANCE=ALL
# EXCLUDES="SECTION SECTION ..."
# EXCLUDES=ALL
if [ -f "$MK_CONFDIR/informix.cfg" ]; then
. $MK_CONFDIR/informix.cfg
fi
if [ -z "$ONINIT_PATH" -o ! -x "$ONINIT_PATH" ]; then
ONINIT=$(UNIX95=true ps ax | grep oninit | grep -v grep | head -1 | awk '{print $1 " " $5}')
if [ -z "$ONINIT" ]; then
exit 0
fi
ONINIT_PATH=${ONINIT#* }
ONINIT_PID=${ONINIT% *}
case "$ONINIT_PATH" in
/*)
;;
*) # BUG not platform independent!
ONINIT_PATH=$(ls -l /proc/$ONINIT_PID/exe 2>/dev/null| sed 's/.* //')
;;
esac
# If not set in config or not found we end up here
if [ -z "$ONINIT_PATH" -o ! -f "$ONINIT_PATH" ]; then
exit 1
fi
fi
#.
# .--main----------------------------------------------------------------.
# | _ |
# | _ __ ___ __ _(_)_ __ |
# | | '_ ` _ \ / _` | | '_ \ |
# | | | | | | | (_| | | | | | |
# | |_| |_| |_|\__,_|_|_| |_| |
# | |
# '----------------------------------------------------------------------'
for IDSENV in $( export INFORMIXDIR=${ONINIT_PATH%/bin*}
$INFORMIXDIR/bin/onstat -g dis | \
egrep '^Server[ ]*:|^Server Number[ ]*:|^INFORMIX|^SQLHOSTS|^ONCONFIG' | \
sed -e 's/Server Number/SERVERNUM/' \
-e 's/Server/INFORMIXSERVER/' \
-e 's/SQLHOSTS/INFORMIXSQLHOSTS/' \
-e 's/[ ]*:[ ]*/=/' | \
tr '\n' ';' | \
sed -e 's/;$/\\n/' -e 's/;\(INFORMIXSERVER=[^;]*;\)/\\n\1/g' | \
awk '{ gsub(/\\n/,"\n")}1'
) ; do
(
# Set environment
eval $IDSENV
PATH=$INFORMIXDIR/bin:$PATH
# try to set them via 'onstat -g env' otherwise
# DB HAS TO BE RUNNING
if [ -z "$INFORMIXSQLHOSTS" -o -z "$ONCONFIG" ]; then
onstat -g env | egrep -e '^INFORMIXSQLHOSTS' \
-e '^ONCONFIG' | \
sed -e 's/[ ][ ]*/=/'
fi
informix_status
set_excludes $INFORMIXSERVER
if do_check "sessions" "$excludes"; then
informix_sessions
fi
if do_check "locks" "$excludes"; then
informix_locks
fi
if do_check "tabextents" "$excludes"; then
informix_tabextents
fi
if do_check "dbspaces" "$excludes"; then
informix_dbspaces
fi
if do_check "logusage" "$excludes"; then
informix_logusage
fi
if do_check "transactions" "$excludes"; then
informix_transactions
fi
)
done