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    Problem with check_mk packet

    Scheduled Pinned Locked Moved pfSense Packages
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    • M
      MathiasM
      last edited by

      Yes, inetd is installed and running…

      /usr/sbin/inet
      

      But start scripts are missig???

      /etc/rc.d/inetd start
      
      service inetd start
      

      I found this…
      https://mathias-kettner.com/checkmk_freebsd.html

      1 Reply Last reply Reply Quote 0
      • W
        WhiteSaxo
        last edited by

        To get data for monitoring via port 6556 you have to do the following.
        Its just a workaroud because every time inetd restarts the configfile /var/etc/inetd.conf will be overwritten.
        I dont know yet how i can change this.

        First of all be sure that the check_mk_agent is running probably and than copy this line:

        check_mk  stream  tcp nowait  root  /usr/local/bin/check_mk_agent check_mk_agent
        

        into /var/etc/inetd.conf

        then you have to kill your running inetd process and start it again with this command:

        /usr/sbin/inetd -wW -R 0 -a 127.0.0.1 /var/etc/inetd.conf
        

        Now there should be an open socket and the data are available for your monitoring server.

        1 Reply Last reply Reply Quote 0
        • M
          MathiasM
          last edited by

          Her i post the missing script, but this is not the full solution.

          1. create new file /etc/rc.d/inetd
          2. insert code
          3. chmod +x /etc/rc.d/inetd

          Now service inetd start,stop,status is working

          
          #!/bin/sh
          #
          # $FreeBSD$
          #
          
          # PROVIDE: inetd
          # REQUIRE: DAEMON LOGIN cleanvar
          # KEYWORD: shutdown
          
          . /etc/rc.subr
          
          name="inetd"
          rcvar="inetd_enable"
          command="/usr/sbin/${name}"
          pidfile="/var/run/${name}.pid"
          required_files="/etc/${name}.conf"
          extra_commands="reload"
          
          load_rc_config $name
          run_rc_command "$1"
          
          
          1 Reply Last reply Reply Quote 0
          • M
            MathiasM
            last edited by

            @WhiteSaxo: I follow your post, but it is not working.

            I have to change the first line from file /usr/local/bin/check_mk_agent from #!/bin/bash intro #!/bin/sh

            Now, check_mk_agent report no error message, but is not working yet.

            The check_mk agen (freebsd Version: 1.2.7i1) comes from:

            http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob_plain;f=agents/check_mk_agent.freebsd;hb=HEAD

            Recently, some modification were carried out.

            http://git.mathias-kettner.de/git/?p=check_mk.git&a=search&h=HEAD&st=commit&s=freebsd

            I create a new installion with pfsense 2.1.5 and check_mk agent, but it even not working.

            At boot time, i get errors from /usr/local/pkg/checkmk.inc line 107.

            And i fount errors into /var/log/system.log.

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            • W
              WhiteSaxo
              last edited by

              Did you copy

              check_mk  stream  tcp nowait  root  /usr/local/bin/check_mk_agent check_mk_agent
              

              in the correct inetd.conf?

              And did you add

              check_mk        6556/tcp   #check_mk agent
              

              in /etc/services?

              1 Reply Last reply Reply Quote 0
              • M
                MathiasM
                last edited by

                The file /usr/local/bin/check_mk_agent is wrong. pfsense install it direkt from git. Look into my older post.

                I replace check_mk_agent with a older version and it works well.

                @WhiteSaxo: Can you post your older file? This version is working well with pfsense 2.2 and pfsense 2.1.5

                1 Reply Last reply Reply Quote 0
                • W
                  WhiteSaxo
                  last edited by

                  Ah okay good to know.

                  Here is my working check_mk_agent

                  #!/bin/sh
                  # +------------------------------------------------------------------+
                  # |             ____ _               _        __  __ _  __           |
                  # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
                  # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
                  # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
                  # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
                  # |                                                                  |
                  # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
                  # +------------------------------------------------------------------+
                  #
                  # This file is part of Check_MK.
                  # The official homepage is at http://mathias-kettner.de/check_mk.
                  #
                  # check_mk 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 in version 2.  check_mk is  distributed
                  # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
                  # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
                  # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
                  # ails.  You should have  received  a copy of the  GNU  General Public
                  # License along with GNU Make; see the file  COPYING.  If  not,  write
                  # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
                  # Boston, MA 02110-1301 USA.
                  
                  # Author: Lars Michelsen <lm@mathias-kettner.de>#         Florian Heigl <florian.heigl@gmail.com>#           (Added sections: df mount mem netctr ipmitool)
                  
                  # NOTE: This agent has beed adapted from the Check_MK linux agent.
                  #       The most sections are commented out at the moment because
                  #       they have not been ported yet. We will try to adapt most
                  #       sections to print out the same output as the linux agent so
                  #       that the current checks can be used.
                  
                  # This might be a good source as description of sysctl output:
                  # http://people.freebsd.org/~hmp/utilities/satbl/_sysctl.html
                  
                  # Remove locale settings to eliminate localized outputs where possible
                  export LC_ALL=C
                  unset LANG
                  
                  export MK_LIBDIR="/usr/lib/check_mk_agent"
                  export MK_CONFDIR="/etc/check_mk"
                  export MK_TMPDIR="/var/run/check_mk"
                  
                  # Make sure, locally installed binaries are found
                  PATH=$PATH:/usr/local/bin
                  
                  # All executables in PLUGINSDIR will simply be executed and their
                  # ouput appended to the output of the agent. Plugins define their own
                  # sections and must output headers with '<<<' and '>>>'
                  PLUGINSDIR=$MK_LIBDIR/plugins
                  
                  # All executables in LOCALDIR will by executabled and their
                  # output inserted into the section <<<local>>>. Please refer
                  # to online documentation for details.
                  LOCALDIR=$MK_LIBDIR/local
                  
                  # close standard input (for security reasons) and stderr
                  #if [ "$1" = -d ]
                  #then
                  #    set -xv
                  #else
                  #    exec /dev/null
                  #fi
                  
                  # Runs a command asynchronous by use of a cache file
                  
                  echo '<<<check_mk>>>'
                  echo Version: 1.2.7i1
                  echo AgentOS: freebsd
                  
                  osver="$(uname -r)"
                  is_jailed="$(sysctl -n security.jail.jailed)"
                  
                  # Partitionen (-P verhindert Zeilenumbruch bei langen Mountpunkten)
                  # Achtung: NFS-Mounts werden grundsaetzlich ausgeblendet, um
                  # Haenger zu vermeiden. Diese sollten ohnehin besser auf dem
                  # Server, als auf dem Client ueberwacht werden.
                  
                  echo '<<<df>>>'
                  # no special zfs handling so far, the ZFS.pools plugin has been tested to
                  # work on FreeBSD
                  if df -T > /dev/null ; then
                      df -kTP -t ufs | egrep -v '(Filesystem|devfs|procfs|fdescfs|basejail)'
                  else
                      df -kP -t ufs | egrep -v '(Filesystem|devfs|procfs|fdescfs|basejail)' | awk '{ print $1,"ufs",$2,$3,$4,$5,$6 }'
                  fi
                  
                  # Check NFS mounts by accessing them with stat -f (System
                  # call statfs()). If this lasts more then 2 seconds we
                  # consider it as hanging. We need waitmax.
                  #if type waitmax >/dev/null
                  #then
                  #    STAT_VERSION=$(stat --version | head -1 | cut -d" " -f4)
                  #    STAT_BROKE="5.3.0"
                  #
                  #    echo '<<<nfsmounts>>>'
                  #    sed -n '/ nfs /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts |
                  #        while read MP
                  #  do
                  #   if [ $STAT_VERSION != $STAT_BROKE ]; then
                  #      waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" || \
                  #    echo "$MP hanging 0 0 0 0"
                  #   else
                  #      waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" && \
                  #      printf '\n'|| echo "$MP hanging 0 0 0 0"
                  #   fi
                  #  done
                  #fi
                  
                  # Check mount options.
                  # FreeBSD doesn't do remount-ro on errors, but the users might consider
                  # security related mount options more important.
                  echo '<<<mounts>>>'
                  mount -p -t ufs
                  
                  # processes including username, without kernel processes
                  echo '<<<ps>>>'
                  COLUMNS=10000
                  if [ is_jailed = 0 ]; then
                      ps ax -o state,user,vsz,rss,pcpu,command | sed -e 1d  -e '/\([^ ]*J\) */d' -e 's/*\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\2,\3,\4,\5) /'
                  else
                      ps ax -o user,vsz,rss,pcpu,command | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'
                  fi
                  
                  # Produce compatible load/cpu output to linux agent. Not so easy here.
                  echo '<<<cpu>>>'
                  echo `sysctl -n vm.loadavg | tr -d '{}'` `top -b -n 1 | grep -E '^[0-9]+ processes' | awk '{print $3"/"$1}'` `sysctl -n kern.lastpid` `sysctl -n hw.ncpu`
                  
                  # Calculate the uptime in seconds since epoch compatible to /proc/uptime in linux
                  echo '<<<uptime>>>'
                    up_seconds=$(( `date +%s` - `sysctl -n kern.boottime  | cut -f1 -d\, | awk '{print $4}'`))
                  idle_seconds=$(ps axw | grep idle | grep -v grep | awk '{print $4}' | cut -f1 -d\: )
                  
                  # second value can be grabbed from "idle" process cpu time / num_cores
                  echo "$idle_seconds $up_seconds"
                  
                  # Platten- und RAID-Status von LSI-Controlleren, falls vorhanden
                  #if which cfggen > /dev/null ; then
                  #   echo '<<<lsi>>>'
                  #   cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /'
                  #fi
                  
                  # Multipathing is supported in FreeBSD by now
                  # http://www.mywushublog.com/2010/06/freebsd-and-multipath/
                  if kldstat -v | grep g_multipath > /dev/null ; then
                      echo '<<<freebsd_multipath>>>'
                      gmultipath status | grep -v ^Name
                  fi
                  
                  # Soft-RAID
                  echo '<<<freebsd_geom_mirrors>>>'
                  gmirror status | grep -v ^Name
                  
                  # Performancecounter Kernel
                  echo "<<<kernel>>>"
                  date +%s
                  forks=`sysctl -n vm.stats.vm.v_forks`
                  vforks=`sysctl -n vm.stats.vm.v_vforks`
                  rforks=`sysctl -n vm.stats.vm.v_rforks`
                  kthreads=`sysctl -n vm.stats.vm.v_kthreads`
                  echo "cpu" `sysctl -n kern.cp_time | awk ' { print $1" "$2" "$3" "$5" "$4 } '`
                  echo "ctxt" `sysctl -n vm.stats.sys.v_swtch`
                  echo "processes" `expr $forks + $vforks + $rforks + $kthreads`
                  
                  # Network device statistics (Packets, Collisions, etc)
                  # only the "Link/Num" interface has all counters.
                  echo '<<<lnx_if:sep(58)>>>'
                  date +%s
                  if [ "$(echo $osver | cut -f1 -d\. )" -gt "8" ]; then
                      netstat -inb | egrep -v '(^Name|plip|enc|pfsync|pflog|ovpns)' | grep Link | awk '{print"\t"$1":\t"$8"\t"$5"\t"$6"\t"$7"\t0\t0\t0\t0\t"$11"\t"$9"\t"$10"\t0\t0\t0\t0\t0"}'
                  else
                      # pad output for freebsd 7 and before
                      netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$7" "$5" "$6" 0 0 0 0 0 "$10" "$8" "$9" 0 0 "$11" 0 0"}'
                  fi
                  
                  # State of LSI MegaRAID controller via MegaCli.
                  # To install: pkg install megacli
                  if which MegaCli >/dev/null ; then
                      echo '<<<megaraid_pdisks>>>'
                      MegaCli -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry'
                      echo '<<<megaraid_ldisks>>>'
                      MegaCli -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual'
                      echo '<<<megaraid_bbu>>>'
                      MegaCli -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit
                  fi
                  
                  # OpenVPN Clients. 
                  # Correct log location unknown, sed call might also be broken
                  if [ -e /var/log/openvpn/openvpn-status.log ] ; then
                      echo '<<<openvpn_clients:sep(44)>>>'
                      sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' < /var/log/openvpn/openvpn-status.log  | sed -e 1,3d -e '$d' 
                  fi
                  
                  if which ntpq > /dev/null 2>&1 ; then
                     echo '<<<ntp>>>'
                     # remote heading, make first column space separated
                     ntpq -np | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/'
                  fi
                  
                  # Checks for cups monitoring
                  #if which lpstat > /dev/null 2>&1; then
                  #  echo '<<<cups_queues>>>'
                  #  lpstat -p
                  #  echo '---'
                  #  for i in $(lpstat -p | grep -E "^(printer|Drucker)" | awk '{print $2}' | grep -v "@"); do
                  #    lpstat -o "$i"
                  #  done
                  #fi
                  
                  # Heartbeat monitoring
                  #if which cl_status > /dev/null 2>&1; then
                  #  # Different handling for heartbeat clusters with and without CRM
                  #  # for the resource state
                  #  if [ -S /var/run/heartbeat/crm/cib_ro ]; then
                  #    echo '<<<heartbeat_crm>>>'
                  #    crm_mon -1 -r | grep -v ^$ | sed 's/^\s/_/g'
                  #  else
                  #    echo '<<<heartbeat_rscstatus>>>'
                  #    cl_status rscstatus
                  #  fi
                  #
                  #  echo '<<<heartbeat_nodes>>>'
                  #  for NODE in $(cl_status listnodes); do
                  #    if [ $NODE != $HOSTNAME ]; then
                  #      STATUS=$(cl_status nodestatus $NODE)
                  #      echo -n "$NODE $STATUS"
                  #      for LINK in $(cl_status listhblinks $NODE 2>/dev/null); do
                  #        echo -n " $LINK $(cl_status hblinkstatus $NODE $LINK)"
                  #      done
                  #      echo
                  #    fi
                  #  done
                  #fi
                  
                  # Number of TCP connections in the various states
                  echo '<<<tcp_conn_stats>>>'
                  netstat -na | awk ' /^tcp/ { c[$6]++; } END { for (x in c) { print x, c[x]; } }'
                  
                  # Postfix mailqueue monitoring
                  #
                  # Only handle mailq when postfix user is present. The mailq command is also
                  # available when postfix is not installed. But it produces different outputs
                  # which are not handled by the check at the moment. So try to filter out the
                  # systems not using postfix by searching for the postfix user.
                  #
                  # Cannot take the whole outout. This could produce several MB of agent output
                  # on blocking queues.
                  # Only handle the last 6 lines (includes the summary line at the bottom and
                  # the last message in the queue. The last message is not used at the moment
                  # but it could be used to get the timestamp of the last message.
                  #if which mailq >/dev/null 2>&1 && getent passwd postfix >/dev/null 2>&1; then
                  #  echo '<<<postfix_mailq>>>'
                  #  mailq | tail -n 6
                  #fi
                  
                  #Check status of qmail mailqueue
                  #if type qmail-qstat >/dev/null
                  #then
                  #   echo "<<<qmail_stats>>>"
                  #   qmail-qstat
                  #fi
                  
                  # check zpool status
                  #if [ -x /sbin/zpool ]; then
                  #   echo "<<<zpool_status>>>"
                  #   /sbin/zpool status -x | grep -v "errors: No known data errors"
                  #fi
                  
                  # Memory Usage
                  # currently we'll need sysutils/muse for this.
                  if [ -x /usr/local/bin/muse ]
                  then
                  echo '<<<mem>>>'
                  # yes, i don't know sed well.
                  muse -k 2>/dev/null | sed 's/Total/MemTotal/' | sed 's/Free/MemFree/'
                  swapinfo -k 1K | tail -n 1 | awk '{ print "SwapTotal: "$2" kB\nSwapFree: "$4" kB" }'
                  fi
                  
                  # Fileinfo-Check: put patterns for files into /etc/check_mk/fileinfo.cfg
                  if [ -r "$MK_CONFDIR/fileinfo.cfg" ] ; then
                      echo '<<<fileinfo:sep(124)>>>'
                      date +%s
                      stat -f "%N|%z|%m" $(cat "$MK_CONFDIR/fileinfo.cfg")
                  fi</fileinfo:sep(124)></mem></zpool_status></qmail_stats></postfix_mailq></tcp_conn_stats></heartbeat_nodes></heartbeat_rscstatus></heartbeat_crm></cups_queues></ntp></openvpn_clients:sep(44)></megaraid_bbu></megaraid_ldisks></megaraid_pdisks></lnx_if:sep(58)></kernel></freebsd_geom_mirrors></freebsd_multipath></lsi></uptime></cpu></ps></mounts></nfsmounts></df></check_mk></local></florian.heigl@gmail.com></lm@mathias-kettner.de> 
                  
                  1 Reply Last reply Reply Quote 0
                  • M
                    MathiasM
                    last edited by

                    Here is the solution: (works with pfsende 2.2 and 2.1.5)

                    A) create inetd (only for pfsense 2.2)

                    1. create new file /etc/rc.d/inetd
                    2. insert code from my post
                    3. run #chmod +x /etc/rc.d/inetd

                    B) Replace check_mk_agent (older version is working well)

                    replace code into file /usr/local/bin/check_mk_agent with post from WhiteSaxo

                    C) Restart daemon

                    service inetd restart

                    1 Reply Last reply Reply Quote 0
                    • R
                      Roger
                      last edited by

                      Just one little change to the check_mk_client script posted by WhiteSaxo above.

                      I took the "date %s" out of the lnx_if section as my check_mk server was not picking up the interfaces. I also added lo0 to the exceptions, as it doesn't quite match up on the awk.

                      So, it now reads

                      echo '<<<lnx_if:sep(58)>>>'
                      #date +%s
                      if [ "$(echo $osver | cut -f1 -d\. )" -gt "8" ]; then
                          netstat -inb | egrep -v '(^Name|plip|enc|lo0|pfsync|pflog|ovpns)' | grep Link | awk '{print"\t"$1":\t"$8"\t"$5"\t"$6"\t"$7"\t
                      0\t0\t0\t0\t"$11"\t"$9"\t"$10"\t0\t0\t0\t0\t0"}'
                      else
                          # pad output for freebsd 7 and before
                          netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$7" "$5" "$6" 0 0 0 0 0 "$10" "$8" "$9" 0 0 "$11
                      " 0 0"}'
                      fi</lnx_if:sep(58)>
                      
                      1 Reply Last reply Reply Quote 0
                      • N
                        niccarp89
                        last edited by

                        Hi Roger and all.

                        I add your modification but still dont get interfaces links, i notice that $osver variable its empty and i dont have defined over the network section. Anyone know if this its ok???

                        1 Reply Last reply Reply Quote 0
                        • R
                          Roger
                          last edited by

                          Hi, I possibly made a mistake with my cut-and-paste.

                          
                          #date +%s
                          if [ "$(echo $osver | cut -f1 -d\. )" -gt "8" ]; then
                              netstat -inb | egrep -v '(^Name|plip|enc|lo0|pfsync|pflog|ovpns)' | grep Link | awk '{print"\t"$1":\t"$8"\t"$5"\t"$6"\t"$7"\t0\t0\t0\t0\t"$11"\t"$9"\t"$10"\t0\t0\t0\t0\t0"}'
                          else
                              # pad output for freebsd 7 and before
                              netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$7" "$5" "$6" 0 0 0 0 0 "$10" "$8" "$9" 0 0 "$11" 0 0"}'
                          fi
                          
                          

                          It's a line feed issue from my ssh session. Maybe that's the issue with you not getting interfaces.

                          If not, what do you get from a "telnet host-ip 6556"?

                          Roger

                          1 Reply Last reply Reply Quote 0
                          • N
                            niccarp89
                            last edited by

                            @Roger:

                            Hi, I possibly made a mistake with my cut-and-paste.

                            
                            #date +%s
                            if [ "$(echo $osver | cut -f1 -d\. )" -gt "8" ]; then
                                netstat -inb | egrep -v '(^Name|plip|enc|lo0|pfsync|pflog|ovpns)' | grep Link | awk '{print"\t"$1":\t"$8"\t"$5"\t"$6"\t"$7"\t0\t0\t0\t0\t"$11"\t"$9"\t"$10"\t0\t0\t0\t0\t0"}'
                            else
                                # pad output for freebsd 7 and before
                                netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$7" "$5" "$6" 0 0 0 0 0 "$10" "$8" "$9" 0 0 "$11" 0 0"}'
                            fi
                            
                            

                            It's a line feed issue from my ssh session. Maybe that's the issue with you not getting interfaces.

                            If not, what do you get from a "telnet host-ip 6556"?

                            Roger

                            Hi Roger.

                            http://pastebin.com/U2yq2nxn

                            Seems that <<<lnx_if:sep(58)>>>  section in the telnet its ok, but check_mk dont discover the interfaces.

                            You have for example re0 re1 or whatever detected as a service in the check_mk interface??</lnx_if:sep(58)>

                            1 Reply Last reply Reply Quote 0
                            • R
                              Roger
                              last edited by

                              Hi

                              Yes, I get re0 and re1 listed after a 'Full Scan', did you do a 'Full Scan' in check_mk ?

                              My server version is the latest 1.2.4 version.

                              Roger

                              1 Reply Last reply Reply Quote 0
                              • N
                                niccarp89
                                last edited by

                                @Roger:

                                Hi

                                Yes, I get re0 and re1 listed after a 'Full Scan', did you do a 'Full Scan' in check_mk ?

                                My server version is the latest 1.2.4 version.

                                Roger

                                Perfect Roger, i only have to do a full scan.

                                Thanks!

                                1 Reply Last reply Reply Quote 0
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