Munin contributed plugins

#!/bin/sh

# -*- sh -*-

: <<EOF

=head1 NAME

ntp_kernel_pll_tol - Plugin to monitor the kernel's PLL frequency tolerance for

the NTP status

=head1 CONFIGURATION

No configuration

=head1 AUTHORS

Original authors unknown

ntp_kernel_pll_freq script patched by azet@azet.org for frequency tolerance support

=head1 LICENSE

Unknown license

=head1 BUGS

None known

=head1 MAGIC MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

EOF

if [ "$1" = "autoconf" ]; then

    { ntpq -c kerninfo; ntpdc -c kerninfo; } 2>/dev/null |

    awk 'BEGIN { ev=1; }

         /^frequency tolerance:/ { ev=0; }

         END { if (ev == 0) { print "yes";} else { print "no"; } exit ev; }'

    exit 0

fi

if [ "$1" = "config" ]; then

    echo 'graph_title NTP kernel PLL frequency tolerance (ppm)'

    echo 'graph_args --alt-autoscale'

    echo 'graph_vlabel PLL frequency (ppm)'

    echo 'graph_category time'

    echo 'graph_info The frequency tolerance of the kernel phase-locked loop used by NTP'

    echo 'ntp_pll_tol.label pll-tolerance'

    echo 'ntp_pll_tol.info Phase-locked loop frequency tolerance in parts per million'

    exit 0

fi

echo -n 'ntp_pll_tol.value '

{ ntpq -c kerninfo; ntpdc -c kerninfo; } 2>/dev/null | awk '/^frequency tolerance:/ { print $3 }'