/usr/share/munin/plugins/http_loadtime is in munin-plugins-extra 2.0.19-3ubuntu0.3.
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 | #!/bin/bash
# -*- sh -*-
: << =cut
=head1 NAME
http_loadtime - Plugin to graph HTTP response time of a specific page
=head1 CONFIGURATION
The following environment variables are used by this plugin
target - URL to fetch (default: "http://localhost/")
=head1 BUGS
This plugin used to be marked for auto-configuraiton. Unfortunately
it does not test if the $target is reachable or not, and the plugin
has been made a contrib plugin pending fixing.
=head1 AUTHOR
Unknown author
=head1 LICENSE
GPLv2
=head1 MAGIC MARKERS
#%# family=contrib
#%# capabilities=autoconf
=cut
target=${target:-"http://localhost/"}
if [ "$1" = "autoconf" ]; then
result="yes"
command -v wget 2>/dev/null >/dev/null || result=1
if [ "$result" != "yes" ]; then
echo "no (need time and wget programs)"
exit 0
fi
if ! wget -q -O /dev/null $target; then
echo "no (Cannot run wget against \"$target\")"
exit 0
fi
echo yes
exit 0
fi
if [ "$1" = "config" ]; then
echo "graph_title HTTP loadtime of a page"
echo "graph_args --base 1000 -l 0"
echo "graph_vlabel Load time in seconds"
echo "graph_category network"
echo "graph_info This graph shows load time in seconds of $target"
echo "loadtime.label loadtime"
echo "loadtime.info Load time"
exit 0
fi
TEMPO_DIR=$(mktemp -dt munin_http_loadtime.XXXXXX) || exit 1
trap "rm -rf $TEMPO_DIR" EXIT
cd $TEMPO_DIR || exit 1
loadtime=$((/usr/bin/time -p wget -p --no-cache --delete-after $target -q) 2>&1 | awk '/^real / { print $2 }')
cd ..
echo "loadtime.value $loadtime"
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