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authorLennart Weller <lhw@ring0.de>2016-09-05 08:27:21 +0000
committerLennart Weller <lhw@ring0.de>2016-09-05 08:27:21 +0000
commit1746898cefcb17f58b5cf27b4dad3d28236f1152 (patch)
tree9207f191cf39bbd077a1e1c73d6e82123e2fc710 /plugins.d/tc-qos-helper.sh
parentImported Upstream version 1.2.0+dfsg (diff)
downloadnetdata-1746898cefcb17f58b5cf27b4dad3d28236f1152.tar.xz
netdata-1746898cefcb17f58b5cf27b4dad3d28236f1152.zip
Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg
Diffstat (limited to '')
-rwxr-xr-xplugins.d/tc-qos-helper.sh141
1 files changed, 80 insertions, 61 deletions
diff --git a/plugins.d/tc-qos-helper.sh b/plugins.d/tc-qos-helper.sh
index 7b4739815..bff5217d2 100755
--- a/plugins.d/tc-qos-helper.sh
+++ b/plugins.d/tc-qos-helper.sh
@@ -1,107 +1,126 @@
-#!/bin/bash
+#!/usr/bin/env bash
export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+PROGRAM_FILE="$0"
+PROGRAM_NAME="$(basename $0)"
+PROGRAM_NAME="${PROGRAM_NAME/.plugin}"
+
+plugins_dir="${NETDATA_PLUGINS_DIR}"
+[ -z "$plugins_dir" ] && plugins_dir="$( dirname $PROGRAM_FILE )"
+
+config_dir=${NETDATA_CONFIG_DIR-/etc/netdata}
+tc="$(which tc 2>/dev/null)"
+fireqos_run_dir="/var/run/fireqos"
+qos_get_class_names_every=120
+qos_exit_every=3600
+
+# check if we have a valid number for interval
+t=${1}
+update_every=$((t))
+[ $((update_every)) -lt 1 ] && update_every=${NETDATA_UPDATE_EVERY}
+[ $((update_every)) -lt 1 ] && update_every=1
+
+# allow the user to override our defaults
+if [ -f "${config_dir}/tc-qos-helper.conf" ]
+ then
+ source "${config_dir}/tc-qos-helper.conf"
+fi
+
# default time function
now_ms=
current_time_ms() {
- now_ms="$(date +'%s')000"
+ now_ms="$(date +'%s')000"
}
# default sleep function
LOOPSLEEPMS_LASTWORK=0
loopsleepms() {
- [ "$1" = "tellwork" ] && shift
- sleep $1
+ [ "$1" = "tellwork" ] && shift
+ sleep $1
}
# if found and included, this file overwrites loopsleepms()
# with a high resolution timer function for precise looping.
-. "$NETDATA_PLUGINS_DIR/loopsleepms.sh.inc"
+. "${plugins_dir}/loopsleepms.sh.inc"
-# check if we have a valid number for interval
-t=$1
-sleep_time=$((t))
-[ $((sleep_time)) -lt 1 ] && $NETDATA_UPDATE_EVERY
-[ $((sleep_time)) -lt 1 ] && sleep_time=1
-
-tc_cmd="$(which tc)"
-if [ -z "$tc_cmd" ]
- then
- echo >&2 "tc: Cannot find a 'tc' command in this system."
- exit 1
+if [ -z "${tc}" -o ! -x "${tc}" ]
+ then
+ echo >&2 "${PROGRAM_NAME}: Cannot find command 'tc' in this system."
+ exit 1
fi
devices=
fix_names=
setclassname() {
- echo "SETCLASSNAME $3 $2"
+ echo "SETCLASSNAME $3 $2"
}
show_tc() {
- local x="$1"
-
- echo "BEGIN $x"
- $tc_cmd -s class show dev $x
-
- # check FireQOS names for classes
- if [ ! -z "$fix_names" -a -f /var/run/fireqos/ifaces/$x ]
- then
- name="$(cat /var/run/fireqos/ifaces/$x)"
- echo "SETDEVICENAME $name"
-
- interface_classes=
- interface_classes_monitor=
- . /var/run/fireqos/$name.conf
- for n in $interface_classes_monitor
- do
- setclassname $(echo $n | tr '|' ' ')
- done
- echo "SETDEVICEGROUP $interface_dev"
- fi
- echo "END $x"
+ local x="${1}" interface_dev interface_classes interface_classes_monitor
+
+ echo "BEGIN ${x}"
+ ${tc} -s class show dev ${x}
+
+ # check FireQOS names for classes
+ if [ ! -z "${fix_names}" -a -f "${fireqos_run_dir}/ifaces/${x}" ]
+ then
+ name="$(<"${fireqos_run_dir}/ifaces/${x}")"
+ echo "SETDEVICENAME ${name}"
+
+ interface_dev=
+ interface_classes=
+ interface_classes_monitor=
+ source "${fireqos_run_dir}/${name}.conf"
+ for n in ${interface_classes_monitor}
+ do
+ setclassname ${n//|/ }
+ done
+ [ ! -z "${interface_dev}" ] && echo "SETDEVICEGROUP ${interface_dev}"
+ fi
+ echo "END ${x}"
}
all_devices() {
- cat /proc/net/dev | grep ":" | cut -d ':' -f 1 | while read dev
- do
- l=$($tc_cmd class show dev $dev | wc -l)
- [ $l -ne 0 ] && echo $dev
- done
+ cat /proc/net/dev | grep ":" | cut -d ':' -f 1 | while read dev
+ do
+ l=$(${tc} class show dev ${dev} | wc -l)
+ [ $l -ne 0 ] && echo ${dev}
+ done
}
# update devices and class names
# once every 2 minutes
-names_every=$((120 / sleep_time))
+names_every=$((qos_get_class_names_every / update_every))
# exit this script every hour
# it will be restarted automatically
-exit_after=$((3600 / sleep_time))
+exit_after=$((qos_exit_every / update_every))
c=0
gc=0
while [ 1 ]
do
- fix_names=
- c=$((c + 1))
- gc=$((gc + 1))
+ fix_names=
+ c=$((c + 1))
+ gc=$((gc + 1))
- if [ $c -le 1 -o $c -ge $names_every ]
- then
- c=1
- fix_names="YES"
- devices="$( all_devices )"
- fi
+ if [ ${c} -le 1 -o ${c} -ge ${names_every} ]
+ then
+ c=1
+ fix_names="YES"
+ devices="$( all_devices )"
+ fi
- for d in $devices
- do
- show_tc $d
- done
+ for d in ${devices}
+ do
+ show_tc ${d}
+ done
- echo "WORKTIME $LOOPSLEEPMS_LASTWORK"
+ echo "WORKTIME ${LOOPSLEEPMS_LASTWORK}"
- loopsleepms $sleep_time
+ loopsleepms ${update_every}
- [ $gc -gt $exit_after ] && exit 0
+ [ ${gc} -gt ${exit_after} ] && exit 0
done