added check_mount.sh to check docker2:/Media mount
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#!/bin/sh
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#
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Copyright="(C) 2016-2018 - Carlos Ijalba GPLv3" # <perkolator @ gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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########################################################################################################################
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#
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# Program: check_mount.sh
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#
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# Parameters:
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# $1 - FS to check --MANDATORY--
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# $2 - Mount type [ nfs3 | nfs4 | cifs | jfs2 | procfs | ext3 | ext4... ] --OPTIONAL-- (NFS by default)
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#
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# Output:
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# 3 - Error: No FS passed on parameter $1.
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# 2 - CRITICAL: FS not OK, the FS specified is not mounted by $2.
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# 1 - WARNING: FS not OK, the FS specified is mounted several times (it might not be a problem).
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# 0 - OK: FS OK, the FS specified has an instance mounted under $2 mount type.
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#
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# Description:
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#
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# Shell Script for Nagios, checks if the FS passed on $1 is mounted under Mount Type $2. If no parameter passed on $2
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# NFS type is assumed by default. This script do not check fstab or /etc/filesystem or other tab entries, as it is
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# designed to consume as little CPU time as possible and to be used in different OS types.
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#
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# It is a simple script, but it detects mounts of practically any type of FS, and multiple instances mounted of the same FS.
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#
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# Verified compatible with the following OS:
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# IBM AIX v5.2-v7.2
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# RHEL v4.8-v6.6, RHL v9
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# Ubuntu v10.04-v18.04 LTS
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# SuSe v11
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# CentOS v6.5-10
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# CygWin v2.0.4-v2.5.1 & BusyBox v1.22.1
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# Oracle Solaris x86 v10-v11.3
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# SCO OpenServer v6.0.0
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# SCO UnixWare v7.1.4+, v7.1.4
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#
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# Versions Date Programmer, Modification
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# ------------ ---------- ----------------------------------------------------
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# Version=1.00 03/06/2016 Carlos Ijalba, Original version.
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# Version=1.01 10/06/2016 Carlos Ijalba, GPLv3 open source release.
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Version=1.02 # 21/08/2018 Carlos Ijalba, corrected bug (suggested by candreasen) & added small speedup & version control.
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#
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########################################################################################################################
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#set -x
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# Constants
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PROGRAM=$(basename $0) # Name of this script
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NAGIOS_ERROR=3
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NAGIOS_CRIT=2
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NAGIOS_WARN=1
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NAGIOS_OK=0
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# Usage
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if [ $# -lt 1 ]
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then
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cat << EOF
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$PROGRAM v$Version - $Copyright
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ERROR - No FS passed under parameter \$1
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USE:
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check_mount.sh [ \$1 - Filesystem ] | optional: [ \$2 - Type (NFS by default)]
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Reports:
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OK - \$1 mounted under \$2.
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CRITICAL - \$1 not mounted under \$2.
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WARNING - \$1 is mounted several times! (number of times mounted)
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Examples:
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check_mount.sh /developer/logs <-- check NFS mount of /developer/logs
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check_mount.sh /developer cifs <-- check CIFS mount of /developer
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check_mount.sh /ora12c nfs4 <-- check NFSv4 mount of /ora12c
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check_mount.sh /db2 ext3 <-- check EXT3 mount of /db2
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check_mount.sh /CICS jfs2 <-- check JFS2 mount of /CICS
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EOF
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RC=$NAGIOS_ERROR
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exit $RC
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fi
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FS=$1
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# Main
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MOUNT=$2
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if [ -z "$MOUNT" ]
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then
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MOUNT="nfs" # if $2 not specified, assume NFS by default
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fi
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MOUNTED=`mount | grep "$MOUNT" | grep -c "$FS "` # execute the command to check the mount...
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if [ $MOUNTED -eq 0 ]; then
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MSG="CRITICAL - $FS not mounted under $MOUNT."
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RC=$NAGIOS_CRIT
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elif [ $MOUNTED -eq 1 ]; then
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MSG="OK - $FS mounted under $MOUNT."
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RC=$NAGIOS_OK
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else
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MSG="WARNING - $FS is mounted several times! ($MOUNTED)"
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RC=$NAGIOS_WARN
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fi
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echo $MSG
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echo $PROGRAM v$Version
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exit $RC
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# End
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@ -45,6 +45,9 @@ command[check_docker_dhcpd]=/usr/lib/nagios/plugins/check_docker.sh -n dhcpd -s
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command[check_k8s_api]=/usr/lib/nagios/plugins/check_kubernetes_api.sh -k /home/nagios/.kube/config
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command[check_k8s_nodes]=/usr/lib/nagios/plugins/check_kube_nodes.sh -k /home/nagios/.kube/config
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# docker2
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command[check_media]=/usr/lib/nagios/plugins/check_mount.sh /Media cifs
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# pi4 nodes
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command[check_docker_rpi-monitor]=/usr/lib/nagios/plugins/check_docker.sh -n rpi-monitor -s
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@ -30,6 +30,14 @@
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owner: root
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group: root
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- name: copy check_mount.sh file to /lib/nagios/plugins
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template:
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src: files/check_mount.sh
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dest: /lib/nagios/plugins/check_mount.sh
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mode: "0755"
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owner: root
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group: root
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- name: copy nrpe.cfg file to /etc/nagios
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template:
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src: files/nrpe.cfg.j2
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