added mk_informix extensions

This commit is contained in:
George Pochiscan 2022-11-23 19:03:53 +02:00
parent a1b017d260
commit 0f60e5725e
8 changed files with 548 additions and 0 deletions

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{'author': 'George Pochiscan',
'description': 'This package extends current informix package with the '
'following checks:\n'
'\n'
'Alert if the number of locks kept by a session is higher than '
'a specific number (configured by WATO rule).\n'
'Inactive transactions with locks \n'
'Long transactions\n',
'download_url': '',
'files': {'agents': ['plugins/mk_informix'],
'checkman': ['informix_transactions_activity',
'informix_transactions_locks',
'informix_transactions_long_transactions'],
'checks': ['informix_transactions'],
'web': ['plugins/wato/informix_nlocks.py']},
'name': 'Informix_transactions',
'num_files': 6,
'title': 'Informix monitoring',
'version': '1.0.1',
'version.min_required': '2.0.0p17',
'version.packaged': '2.0.0p17',
'version.usable_until': None}

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title: Informix DB: Sessions with no activity in current log
agents: linux
catalog: app/informix
license: GPL
distribution: check_mk
description:
This checks monitors the transactions that doesn't
have activity in current log in Informix Database application.
No rules are needed.
item:
Name of the instance
inventory:
One service is created for each instance.

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title: Informix DB: Sessions with high number of locks
agents: linux
catalog: app/informix
license: GPL
distribution: check_mk
description:
This checks monitors the sessions that have
high number of locks in Informix Database application.
WARN and CRIT levels can be specified.
item:
Name of the instance
inventory:
One service is created for each instance.

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title: Informix DB: Long transactions that are using more than 3 logical logs
agents: linux
catalog: app/informix
license: GPL
distribution: check_mk
description:
This checks monitors the transactions that are using
more than 3 logical logs in Informix Database application.
No rules are needed.
item:
Name of the instance
inventory:
One service is created for each instance.

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 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.
factory_settings['informix_transactions_default_levels'] = {
'levels': (70, 80),
}
#first line represents current log ID
#line[2]= sessionID
#line[3]= number of locks kept by sessionID
#line[4]= begin log position
#line[5]= current log position
def parse_informix_transactions(info):
parsed = {}
instance = None
entry = None
for line in info:
if line[0].startswith("[[[") and line[0].endswith("]]]"):
instance = line[0][3:-3]
elif instance is not None:
entry = {}
parsed.setdefault(instance, [])
parsed[instance].append(entry)
if "C" in line[2]:
entry.setdefault("current_log_id", line[3])
elif entry is not None:
if ":" in str(line[4]):
line[4] = line[4].split(":",1)[0]
if ":" in str(line[5]):
line[5] = line[5].split(":",1)[0]
entry.setdefault("session", [line[2], line[3], line[4], line[5]])
return parsed
#############Transaction with more than 70 locks
def inventory_informix_transactions_locks(parsed):
return [(instance, {}) for instance in parsed]
def check_informix_transactions_locks(item, params, parsed):
if item in parsed:
warn, crit = params['levels']
data = parsed[item]
infotext = ""
state = 0
for session in data[1:]:
if "-" not in session["session"][1]:
if int(session["session"][1]) >= crit:
state = 2
infotext += 'Session with ID %s has %s locks; ' % (session["session"][0], session["session"][1])
elif int(session["session"][1]) >= warn:
state = 1
infotext += 'Session with ID %s has %s locks; ' % (session["session"][0], session["session"][1])
if state:
infotext += " (warn/crit at %s/%s)" % (warn, crit)
else:
infotext = 'There are no sessions with high number of locks'
return state, infotext, []
check_info['informix_transactions.locks'] = {
'parse_function': parse_informix_transactions,
'inventory_function': inventory_informix_transactions_locks,
'check_function': check_informix_transactions_locks,
'has_perfdata': False,
'service_description': 'Informix sessions nLocks %s',
"group": "informix_nlocks",
'default_levels_variable': 'informix_transactions_default_levels',
}
#############Sesiuni fara activitate in logul curent
def inventory_informix_transactions_activity(parsed):
return [(instance, {}) for instance in parsed]
def check_informix_transactions_activity(item, no_params, parsed):
if item in parsed:
data = parsed[item]
state = 0
infotext = ''
for session in data[1:]:
if "-" not in session["session"][2]:
if int(session["session"][2]) < int(data[0]['current_log_id']):
state = 2
infotext += "Session %s doesn't have activity in current log; " % (session["session"][0])
if not state:
infotext = 'There are no sessions with no activity in current log; '
return state, infotext, []
check_info['informix_transactions.activity'] = {
'parse_function': parse_informix_transactions,
'inventory_function': inventory_informix_transactions_activity,
'check_function': check_informix_transactions_activity,
'has_perfdata': False,
'service_description': 'Informix sessions activity %s',
}
#############Long transactions (over 3 logical logs used)
def inventory_informix_long_transactions(parsed):
return [(instance, {}) for instance in parsed]
def check_informix_long_transactions(item, no_params, parsed):
if item in parsed:
data = parsed[item]
state = 0
infotext = ''
for session in data[1:]:
if "-" not in session["session"][2]:
if (int(session["session"][2]) - int(session["session"][3])) < 2:
state = 2
infotext += "Session %s is using more than 3 logical logs; " % (session["session"][0])
if not state:
infotext = 'There are no long running transactions; '
return state, infotext, []
check_info['informix_transactions.long_transactions'] = {
'parse_function': parse_informix_transactions,
'inventory_function': inventory_informix_long_transactions,
'check_function': check_informix_long_transactions,
'has_perfdata': False,
'service_description': 'Informix sessions Long transactions %s',
}

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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

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 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.
from cmk.gui.i18n import _
from cmk.gui.valuespec import (
Dictionary,
Integer,
Tuple,
)
from cmk.gui.plugins.wato import (
CheckParameterRulespecWithoutItem,
rulespec_registry,
RulespecGroupCheckParametersApplications,
)
def _parameter_valuespec_informix_nlocks():
return Dictionary(elements=[
("levels",
Tuple(
title=_("Levels for number of locks for a session"),
help=
_("You can set a limit to the number of locks for a session in Informix Database application"
),
elements=[
Integer(title=_("Warning at"), default_value=40),
Integer(title=_("Critical at"), default_value=70),
],
)),
])
rulespec_registry.register(
CheckParameterRulespecWithoutItem(
check_group_name="informix_nlocks",
group=RulespecGroupCheckParametersApplications,
match_type="dict",
parameter_valuespec=_parameter_valuespec_informix_nlocks,
title=lambda: _("Informix number of Locks"),
))