Rework and extend the wifi monitoring script
This commit is contained in:
Petko Bordjukov
parent
3aa3ad59d1
commit
5a97db06b1
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@ -6,11 +6,13 @@
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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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# 2015.07.27 - Rework/extension
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# Variable Definition
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_HOSTNAME="${COLLECTD_HOSTNAME:-localhost}"
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@ -23,40 +25,108 @@ _iw='iw'
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# main loop
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while true ; do
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_start_time=$(date +%s)
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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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# do work
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for _interface in $(${_iwinfo} | grep 'ESSID' | awk '{print $1}') ; do
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#for _interface in wlan0 ; do
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# get detailed essid info and prep for send
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${_iwinfo} ${_interface} info > /var/run/${_start_time}_${_interface}
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_tx_power=$(grep 'Tx-Power' /var/run/${_start_time}_${_interface} | awk '{print $2}')
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_link_quality=$(grep 'Link Quality' /var/run/${_start_time}_${_interface} | awk '{print $6}' | cut -d'/' -f1)
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_signal=$(grep 'Signal' /var/run/${_start_time}_${_interface} | awk '{print $2}' | tr -d '-')
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_noise=$(grep 'Noise' /var/run/${_start_time}_${_interface} | awk '{print $5}' | tr -d '-')
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_bit_rate=$(grep 'Bit Rate' /var/run/${_start_time}_${_interface} | awk '{print $3}')
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_channel=$(grep 'Channel' /var/run/${_start_time}_${_interface} | awk '{print $4}')
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_clients=$(${_iw} ${_interface} station dump | grep '^Station' | wc -l)
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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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# start emiting metrics
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-tx_power ${_start_time}:${_tx_power}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-link_quality ${_start_time}:${_link_quality}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-signal ${_start_time}:${_signal}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-noise ${_start_time}:${_noise}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-bit_rate ${_start_time}:${_bit_rate}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-channel ${_start_time}:${_channel}"
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/gauge-clients ${_start_time}:${_clients}"
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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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# now let's pick up the statistics
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for _metric in $(ls -1 /sys/kernel/debug/ieee80211/*/netdev:${_interface}/../statistics/) ; do
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echo -e "PUTVAL ${_HOSTNAME}/${_PLUGIN}-${_interface}/counter-$(echo ${_metric}) ${_start_time}:$(cat /sys/kernel/debug/ieee80211/*/netdev:${_interface}/../statistics/${_metric})"
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done
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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:${_vht_stations}"
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# nuke the temp file
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rm -f /var/run/${_start_time}_${_interface}
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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 ${_metric} 2>/dev/null)"
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done
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# now calculate sleep time
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_end_time=$(date +%s)
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sleep $(echo ${_PERIOD} ${_end_time} ${_start_time} | awk '{print $1 - $2 + $3 }')
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done
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sleep ${_PERIOD}
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done
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