check_hw_sensors plugin for Nagios monitors sysctl hw.sensors on OpenBSD
    check_hw_sensors [-i] (-f [<FILENAME>]|(-s <hw.sensors id> [-w limit] [-c limit]))

Usage:
    -i, --ignore-status
        Don't check the status of sensors that report it.
    -f, --filename=FILE
        FILE to load checks from (defaults to /etc/sensorsd.conf)
    -s, --sensor=ID
        ID of a single sensor.  "-s 0" means hw.sensors.0.
    -w, --warning=RANGE or single ENTRY
        Exit with WARNING status if outside of RANGE or if != ENTRY
    -c, --critical=RANGE or single ENTRY
        Exit with CRITICAL status if outside of RANGE or if != ENTRY

FILE is in the same format as sensorsd.conf(5) plus some additional
entries.  These additional entries in the file are ignored by
sensorsd(8).  

check_hw_sensors understands the following entries:

    low, high, crit, warn, crit.low, crit.high, warn.low, warn.high,
    ignore, status

An ENTRY depends on the type.  The descriptions in sensorsd.conf(5)
can be used when appropriate, or you can use the following:

    volts_dc, fanrpm or raw - Anything that includes digits.
    Both the value of the check and the value of the sensor
    response that are not either a digit or period are stripped
    and then the two resultant values are compared.

    temp - Can be as above, but if the entry has an F in it,
    it compares farenheit, otherwise it uses celcius.

    indicator or drive - does a case sensitive match of each
    entry in the comma separated list and if it does not match
    any of the entries, it matches the status.

The entries 'crit' or 'warn' (or the -c or -w on the command line)
may be a RANGE or a comma separated list of acceptable values.
The comma separated list of values contains a list of things that
will NOT cause the status.  This is possibly counterintuitive, but
you are more likely to know good values than bad values.

A RANGE is a low ENTRY and a high ENTRY separated by a colon (:).
It can also be low: or :high with the other side left blank to only
make the single check..

An entry marked "ignore" will cause that sensor to be skipped.
Generally used with status checking of all sensors to ignore sensors you
don't care about or that report incorrectly.

If you are using --ignore-status, you can still check the status of
individual sensors with a status entry.

check_hw_sensors (nagios-plugins 1.4.2) 1.17
The nagios plugins come with ABSOLUTELY NO WARRANTY. You may redistribute
copies of the plugins under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING.

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