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134 lines
2.6 KiB
Bash
Executable File
134 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# -*- sh -*-
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: <<EOF
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=head1 NAME
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varnish_devicedetect - Plugin to graph the device usage ratio of
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website visitors
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=head1 APPLICABLE SYSTEMS
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Servers running varnish, and using the "varnish-devicedetect" VCL
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(https://github.com/varnish/varnish-devicedetect)
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=head1 CONFIGURATION
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The plugin runs "varnishlog", and graphs the last 5 minutes of log
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entries.
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This configuration section shows the defaults of the plugin
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=over 2
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[varnish_devicedetect]
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env.devices bot mobile-android mobile-iphone pc tablet-android tablet-ipad
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=back
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The "devices" list is a space separated list of devices, which should
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match the headers set by the varnish-devicedect VCL.
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=head1 INTERPRETATION
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This plugin reads data from the Varnish shared memory log, and
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presents a stacked percentage graph of the device types of your
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website visitors for all entries present in the log, for the last 5
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minutes.
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The percentage shown per device is that of all devices, not just the
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ones specified by env.devices.
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=head1 AUTHOR
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© 2012 - Stig Sandbeck Mathisen <ssm@fnord.no>
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=cut
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EOF
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devices=${devices:-bot mobile-android mobile-iphone pc tablet-android tablet-ipad}
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export devices
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print_config() {
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printf "graph_title Varnish device detection\n"
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printf "graph_vlabel percent\n"
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printf "graph_category webserver\n"
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printf "graph_args --rigid --lower-limit 0 --upper-limit 100\n"
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for device in $devices; do
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printf "%s.label %s\n" $device $device
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printf "%s.type GAUGE\n" $device
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printf "%s.draw AREASTACK\n" $device
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done
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}
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autoconf() {
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if $(which varnishlog >/dev/null); then
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printf "yes\n"
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else
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printf "no (no varnishlog in path)\n"
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return 1
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fi
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}
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print_values() {
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varnishlog -d -i TxHeader -i ReqEnd -I X-UA-Device: \
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| awk '
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BEGIN {
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start_time = systime() - 300
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active = 0
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# Initialize the devices array, so we print all, even the ones
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# with zero value.
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split(ENVIRON["devices"], devices)
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for (device in devices) {
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seen_devices[devices[device]] = 0
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}
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}
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active == 0 && $2 == "ReqEnd" && $5 >= start_time {
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active = 1
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}
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active == 1 && $2 == "TxHeader" && $4 == "X-UA-Device:" {
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total++;
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seen_devices[$5]++
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}
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END {
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for (device in devices) {
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if (total > 0)
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percentage = seen_devices[devices[device]] / total * 100.0
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else
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percentage = 0
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printf "%s.value %f\n", devices[device], percentage
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}
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}
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'
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}
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case $1 in
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autoconf)
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autoconf
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;;
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config)
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print_config
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;;
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*)
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print_values
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;;
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esac
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