This file is indexed.

/usr/share/munin/plugins/ntp_offset is in munin-node 1.4.6-3ubuntu3.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
#!/bin/sh
# -*- sh -*-

: << =cut

=head1 NAME

ntp_offset - Plugin to monitor NTP time offset

=head1 CONFIGURATION

The following environment variables are used by this plugin:

 nodelay - add "delay_graph no" to RRD graph configuration

=head2 EXAMPLE CONFIGURATION

 [ntp_*]
  env.nodelay 1       - Set to 1 to remove delay

=head1 AUTHOR

Unknown author

=head1 LICENSE

Unknown license

=head1 NOTES

Loosely based on ntp_ plugin, but reworked to shell.

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

do_autoconf () {
    ntpq -c help >/dev/null 2>&1 || { echo 'no (no ntpq program)'; exit 0; }
    
    case "$(ntpq -n -p 2>/dev/null | wc -l)" in
	0)
            echo 'no (unable to list peers)'
	    exit 0
	    ;;
    	1|2)
	    echo 'no (no peers?)'
	    exit 0
	    ;;
	*)
	    echo yes
	    exit 0
	    ;;
    esac
}

do_config () {
    syspeer="$(ntpq -n -p | grep '^[*o]')"

    set - $syspeer

    peer=$1
    # Times in ms, therefore cdefs to divide to obtain seconds
    # delay=$8
    # offset=$9
    # jitter=$10

    cat <<EOF
graph_title NTP timing statistics for system peer
graph_args --base 1000 --vertical-label seconds --lower-limit 0
graph_category time
graph_info Currently our peer is $peer.  Please refer to ntp docs and ntpc docs for further explanations of these numbers.
delay.label Delay
delay.draw LINE2
delay.cdef delay,1000,/
offset.label Offset
offset.draw LINE2
offset.cdef offset,1000,/
jitter.label Jitter
jitter.draw LINE2
jitter.cdef jitter,1000,/
EOF
    case $nodelay in
	1) echo "delay.graph no";;
    esac
}

do_ () {
    # Fetch operation
    syspeer="$(ntpq -n -p | grep '^[*o]')"

    set - $syspeer

    # peer=$1
    # Times in ms, therefore cdefs to divide to obtain seconds
    shift # Avoid having to use $10
    delay=${7:-U}
    offset=${8:-U}
    jitter=${9:-U}
    cat <<EOF
delay.value $delay
offset.value $offset
jitter.value $jitter
EOF
}

case $1 in
    autoconf|config|'')
       do_$1
       exit $?
       ;;
    *)
       echo "Don't know how to do that" >&2
       exit 1
       ;;
esac

echo 'What am I doing here?' >&2
exit 1

# vim:syntax=sh