69 lines
1.4 KiB
Bash
Executable File
69 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# Wildcard-script to monitor network interfaces. To monitor an
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# interface, link vlan_<interface> to this file. E.g.
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#
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# ln /usr/share/munin/node/plugins-contrib/vlan_ /etc/munin/node.d/vlan_eth0_1
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#
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# ...will monitor eth0.1
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#
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# Parameters:
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#
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# config
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# autoconf
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# suggest
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#
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#%# family=manual
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#%# capabilities=autoconf suggest
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# URLBASE=
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CACHE=/tmp/river_level_.dat
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checkdata () {
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if test `find "$CACHE" -mtime +1`
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then
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curl -o $CACHE -Ss $URLBASE || exit 1
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fi
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}
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getstationname () {
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checkdata
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NAME=$( perl -MJSON::PP -e '
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open $fh, "/tmp/river_level_.dat" or die $!;
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$data_arr = decode_json(<$fh>) or die $!;
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my %data;
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foreach (@{$data_arr->{data}}) {
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$data{$_->{id}} = $_;
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}
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foreach (@ARGV) { print $data{$_}->{river}, " at ", $data{$_}->{station}, "\n"; }
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' $* )
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}
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STATION=$(basename $0 | sed 's/^river_level_//g' | cut -d_ -f 3)
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if [ "$1" = "autoconf" ]; then
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echo "no"
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exit 0
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fi
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if [ "$1" = "suggest" ]; then
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exit 0
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fi
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if [ "$1" = "config" ]; then
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getstationname $STATION
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echo "graph_title River Level for $NAME [$STATION]"
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echo 'graph_args --base 1000 -l 0 '
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echo 'graph_vlabel station level (metres)'
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echo 'graph_category rivers'
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echo 'graph_info This graph shows river levels'
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echo "level.label $NAME"
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echo 'level.info Current river level (metres)'
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exit 0
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fi
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curl -sS $URLBASE/$STATION |
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perl -MJSON::PP -e '$d=decode_json(<>) or die; print "level.value $d->{data}->{current}->{level}\n";'
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