Collectd wifi stats gathering
This commit is contained in:
Petko Bordjukov
parent
1c75c56a22
commit
b3760f7ec0
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@ -88,3 +88,8 @@ LoadPlugin iwinfo
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# CacheTimeout 120
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# CacheFlush 900
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#</Plugin>
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LoadPlugin exec
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<Plugin exec>
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Exec "nobody" "/usr/share/collectd/wlstats_gather.sh"
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</Plugin>
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@ -0,0 +1,189 @@
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#
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# OpenWrt Config file for collectd(1).
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# Please read collectd.conf(5) for a list of options.
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# http://collectd.org/
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#
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Hostname "ap-bulgaria-1-ac"
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#FQDNLookup true
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BaseDir "/var/lib/collectd"
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PIDFile "/var/run/collectd.pid"
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#PluginDir "/usr/lib/collectd"
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#TypesDB "/usr/share/collectd/types.db"
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Interval 10
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ReadThreads 2
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#LoadPlugin syslog
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#LoadPlugin logfile
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#<Plugin syslog>
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# LogLevel info
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#</Plugin>
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#<Plugin logfile>
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# LogLevel info
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# File STDOUT
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# Timestamp true
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#</Plugin>
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LoadPlugin cpu
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#LoadPlugin df
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#LoadPlugin disk
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LoadPlugin interface
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LoadPlugin load
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#LoadPlugin memory
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LoadPlugin network
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#LoadPlugin ping
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#LoadPlugin processes
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#LoadPlugin rrdtool
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#LoadPlugin serial
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LoadPlugin iwinfo
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#<Plugin df>
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# FSType tmpfs
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# IgnoreSelected true
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# ReportByDevice false
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# ReportReserved false
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# ReportInodes false
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#</Plugin>
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#<Plugin disk>
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# Disk "/^[hs]d[a-f][0-9]?$/"
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# IgnoreSelected false
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#</Plugin>
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#<Plugin interface>
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# Interface "eth0"
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# Interface "br-lan"
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# IgnoreSelected false
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#</Plugin>
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<Plugin network>
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# Server "ff18::efc0:4a42" "25826"
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Server "10.100.0.1"
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# Listen "ff18::efc0:4a42" "25826"
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# Listen "239.192.74.66" "25826"
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# TimeToLive "128"
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Forward false
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# CacheFlush 20
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ReportStats true
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</Plugin>
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#<Plugin ping>
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# Host "host.foo.bar"
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# Interval 1.0
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# Timeout 0.9
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# TTL 255
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# SourceAddress "1.2.3.4"
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# Device "eth0"
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# MaxMissed -1
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#</Plugin>
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#<Plugin processes>
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# Process "name"
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#</Plugin>
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#<Plugin rrdtool>
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# DataDir "/var/lib/collectd/rrd"
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# CacheTimeout 120
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# CacheFlush 900
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#</Plugin>
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LoadPlugin exec
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<Plugin exec>
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Exec "nobody" "/usr/share/collectd/wlstats_gather.sh"
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</Plugin>
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root@OpenWrt:/usr/share/collectd# cat /etc/sudoers
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## sudoers file.
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##
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## This file MUST be edited with the 'visudo' command as root.
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## Failure to use 'visudo' may result in syntax or file permission errors
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## that prevent sudo from running.
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##
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## See the sudoers man page for the details on how to write a sudoers file.
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##
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##
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## Host alias specification
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##
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## Groups of machines. These may include host names (optionally with wildcards),
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## IP addresses, network numbers or netgroups.
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# Host_Alias WEBSERVERS = www1, www2, www3
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##
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## User alias specification
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##
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## Groups of users. These may consist of user names, uids, Unix groups,
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## or netgroups.
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# User_Alias ADMINS = millert, dowdy, mikef
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##
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## Cmnd alias specification
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##
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## Groups of commands. Often used to group related commands together.
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# Cmnd_Alias PROCESSES = /usr/bin/nice, /bin/kill, /usr/bin/renice, \
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# /usr/bin/pkill, /usr/bin/top
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# Cmnd_Alias REBOOT = /sbin/halt, /sbin/reboot, /sbin/poweroff
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##
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## Defaults specification
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##
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## You may wish to keep some of the following environment variables
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## when running commands via sudo.
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##
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## Locale settings
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# Defaults env_keep += "LANG LANGUAGE LINGUAS LC_* _XKB_CHARSET"
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##
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## Run X applications through sudo; HOME is used to find the
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## .Xauthority file. Note that other programs use HOME to find
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## configuration files and this may lead to privilege escalation!
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# Defaults env_keep += "HOME"
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##
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## X11 resource path settings
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# Defaults env_keep += "XAPPLRESDIR XFILESEARCHPATH XUSERFILESEARCHPATH"
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##
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## Desktop path settings
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# Defaults env_keep += "QTDIR KDEDIR"
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##
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## Allow sudo-run commands to inherit the callers' ConsoleKit session
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# Defaults env_keep += "XDG_SESSION_COOKIE"
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##
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## Uncomment to enable special input methods. Care should be taken as
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## this may allow users to subvert the command being run via sudo.
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# Defaults env_keep += "XMODIFIERS GTK_IM_MODULE QT_IM_MODULE QT_IM_SWITCHER"
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##
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## Uncomment to enable logging of a command's output, except for
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## sudoreplay and reboot. Use sudoreplay to play back logged sessions.
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# Defaults log_output
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# Defaults!/usr/bin/sudoreplay !log_output
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# Defaults!/usr/local/bin/sudoreplay !log_output
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# Defaults!REBOOT !log_output
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##
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## Runas alias specification
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##
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##
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## User privilege specification
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##
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root ALL=(ALL) ALL
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## Uncomment to allow members of group wheel to execute any command
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# %wheel ALL=(ALL) ALL
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## Same thing without a password
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# %wheel ALL=(ALL) NOPASSWD: ALL
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## Uncomment to allow members of group sudo to execute any command
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# %sudo ALL=(ALL) ALL
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## Uncomment to allow any user to run sudo if they know the password
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## of the user they are running the command as (root by default).
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# Defaults targetpw # Ask for the password of the target user
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# ALL ALL=(ALL) ALL # WARNING: only use this together with 'Defaults targetpw'
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nobody ALL = (root) NOPASSWD: /usr/share/collectd/wlstats_gatherer.sh
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## Read drop-in files from /etc/sudoers.d
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## (the '#' here does not indicate a comment)
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#includedir /etc/sudoers.d
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@ -0,0 +1,2 @@
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#!/bin/sh
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sudo /usr/share/collectd/wlstats_gatherer.sh "${COLLECTD_HOSTNAME:-localhost}" "${COLLECTD_INTERVAL:-10}"
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@ -0,0 +1,132 @@
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#!/bin/sh
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#
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# Simple wireless statistics gatherer for collectd
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#
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# Description: Simple wireless statistics gatherer for collectd
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# Prereqs: OpenWRT compatible system / wlinfo / wl
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# Used via: Collectd exec plugin type
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# Author: Vladimir Vitkov <vvitkov@linux-bg.org>
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# Petko Bordjukov <bordjukov@gmail.com>
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#
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# Version: 0.1
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# Date: 2015.05.25
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#
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# Changelog: 2015.05.25 - Initial version
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# 2015.11.
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# Variable Definition
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_HOSTNAME=$1
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_PERIOD=10
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_PLUGIN='wlstats'
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# Binaries
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_iwinfo='iwinfo'
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_iw='iw'
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# main loop
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while true ; do
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for _phy in /sys/kernel/debug/ieee80211/phy*; do
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for _netdev in $_phy/netdev:* ; do
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# single cat call
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_metric_group="$(basename ${_phy})-$(basename ${_netdev})"
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for _metric in "num_buffered_multicast" "dtim_count" "num_sta_ps" "num_mcast_sta" "txpower"; do
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}/gauge-${_metric} interval=${_PERIOD} N:$(cat ${_netdev}/${_metric} 2>/dev/null)"
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done
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_stations=`ls -1 ${_netdev}/stations/ | wc -l`
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_vht_stations=`grep -r 'VHT supported' ${_netdev}/stations/*/vht_capa 2>/dev/null | wc -l`
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_ht_stations=`grep -r 'ht supported' ${_netdev}/stations/*/ht_capa 2>/dev/null | wc -l`
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}/gauge-stations interval=${_PERIOD} N:${_stations}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}/gauge-ht_stations interval=${_PERIOD} N:${_ht_stations}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}/gauge-vht_stations interval=${_PERIOD} N:${_vht_stations}"
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if [ $_stations -gt 0 ]; then
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for _metric in "tx_retry_count" "tx_retry_failed" "rx_dropped" "rx_duplicates" "current_tx_rate" "beacon_loss_count" "last_signal" "connected_time" "inactive_ms" "num_ps_buf_frames"; do
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_avg_value=`awk 2>/dev/null '{sum+=$1} END { print sum/NR}' ${_netdev}/stations/*/${_metric}`
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}/gauge-avg_${_metric} interval=${_PERIOD} N:${_avg_value}"
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done
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fi
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if [ -d "${_phy}/ath9k" ]; then
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_interface=$(echo ${_netdev} | sed 's/.*\://')
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${_iw} dev ${_interface} survey dump | grep -A 5 'in use' > /tmp/${_interface}.survey
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cat /tmp/${_interface}.survey | grep 'channel' | sed 's/ ms$//' | sed $'s/\t//g' | \
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sed 's/ /_/g' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath9k-survey" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/counter-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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elif [ -d "${_phy}/ath10k" ]; then
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_interface=$(echo ${_netdev} | sed 's/.*\://')
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_interface=$(echo ${_netdev} | sed 's/.*\://')
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${_iw} dev ${_interface} survey dump | grep -A 3 'in use' > /tmp/${_interface}.survey
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cat /tmp/${_interface}.survey | grep 'channel' | sed 's/ ms$//' | sed $'s/\t//g' | \
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sed 's/ /_/g' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath10k-survey" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/gauge-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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fi
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done
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_metric_group="$(basename ${_phy})"
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if [ -d "${_phy}/ath9k" ]; then
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cat $_phy/ath9k/recv | \
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sed 's/^ *\(.*\w\) *: *\([^ ]\)*$/\1:\2/g' | \
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sed 's/ /_/' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath9k-recv" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/counter-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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cat $_phy/ath9k/phy_err | \
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sed 's/^ *\(.*\w\) *: *\([^ ]\)*$/\1:\2/g' | \
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sed 's/ /_/' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath9k-phy_err" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/counter-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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cat $_phy/ath9k/dfs_stats | grep '^ ' | \
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sed 's/^ *\(.*\w\) *: *\([^ ]\)*$/\1:\2/g' | \
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sed 's/ /_/g' | \
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sed 's/\.//g' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath9k-dfs_stats" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/counter-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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for _queue in $_phy/ath9k/qlen*; do
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}-ath9k/gauge-$(basename $_queue) interval=${_PERIOD} N:$(cat ${_queue})"
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done
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elif [ -d "${_phy}/ath10k" ]; then
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cat $_phy/ath10k/dfs_stats | grep ':.*[0-9]$' | \
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sed 's/^ *\(.*\w\) *: *\([^ ]\)*$/\1:\2/g' | \
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sed 's/ /_/g' | \
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sed 's/\.//g' | awk -vhostname="${_HOSTNAME}" \
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-vplugin="${_PLUGIN}" \
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-vmetric_group="${_metric_group}-ath10k-dfs_stats" \
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-vinterval="${_PERIOD}" \
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-F : \
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'{printf "PUTVAL %s/%s-%s/counter-%s interval=%s N:%s\n", hostname, plugin, metric_group, tolower($1), interval, $2}'
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fi
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for _metric in ${_phy}/statistics/* ; do
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_metric_name="$(basename ${_metric})"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_metric_group}-statistics/counter-$(echo ${_metric_name}) N:$(cat ${_metric} 2>/dev/null)"
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done
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done
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sleep ${_PERIOD}
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done
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