check_ovm3

This Nagios plugin was created to check OracleVM state. What could be checked? Currently there are 3 Checks implemented: - filesystem Checks used space in the filesystem and returns a Warning or Critical Example: check_ovm3 -p secret -a filesystem -n fs_Samsung_750GB -w 51 -c 75 -H localhost OK - Filesystem Used Space 40% in fs_Samsung_750GB warn(51) crit(75) |pctused=40; Total=698; Used=281 - server Checks the state of the server. Result is CRITICAL when server is not in 'Running'-Mode WARNING when Server is in Maintenance-Mode Example: check_ovm3 -p secret -a server -n ovm3server -H localhost OK - ovm3server is Running ovs-release 3.2.1-494 Processors 3 OVM-Server-IP 192.168.100.200 Maintenance Mode=Off Memory=16.0 emory Dom0=0.82 CPU-Type=AMD Phenom(tm) II X3 705e Processor CPU-Speed=2.494557 - vm Checks the state of the virtual machine. Result is CRITICAL when VM is not in 'Running'-Mode There is some statistical data for the virtual machine like RAM and CPUs. The data in '()' are the allowd maximum values while running the vm. Example: check_ovm3 -p secret -a vm -n rac1 -H localhost OK - rac1 is Running on ovm3server Repository=Samsung_750GB HA-Mode=No CPUs 3(3) RAM 1500(3000) OS=Oracle Linux 6 Dom-Type=Xen PVM Requirements: - OracleVM 3.1.1 or newer This plugin only works with OVM3.1.1 or newer. Older versions doesn't have the new SSHCLI Some Details are missing when running under Version 3.1.1. - expect this plugin needs expect on the machine where the plugin is started http://expect.sourceforge.net/ The executable for expect must be at /usr/bin/expect - expect for OracleLunux5 wget http://mirror.centos.org/centos/5/os/x86_64/CentOS/expect-5.43.0-8.el5.x86_64.rpm yum install -y --nogpgcheck expect-5.43.0-8.el5.x86_64.rpm - SSH-Connection to OVM-Manager on Port 10000 The informations are gathered with the new OVMCLI. The connection is done over Port 10000 (Default Port from OVM-Manager for SSHCLI) - Password for admin is required The connection is done with password to the SSHCLI. There is a stupid restriction in OVM-Manager that makes public key authentication in monitoring impossible. The password is visible when executing the script on the process list! - ssh-hostkeys are not stored this is needed because some NRPE-Servers are unable to write the known_hosts => Connections are imposibble. :-(

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