diff options
Diffstat (limited to '')
| -rw-r--r-- | collectors/tc.plugin/Makefile.in | 564 | ||||
| -rw-r--r-- | collectors/tc.plugin/plugin_tc.c | 2 | ||||
| -rw-r--r-- | collectors/tc.plugin/tc-qos-helper.sh | 297 |
3 files changed, 862 insertions, 1 deletions
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install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-generic pdf pdf-am ps ps-am tags-am uninstall \ + uninstall-am uninstall-dist_pluginsSCRIPTS + +.in: + if sed \ + -e 's#[@]localstatedir_POST@#$(localstatedir)#g' \ + -e 's#[@]sbindir_POST@#$(sbindir)#g' \ + -e 's#[@]configdir_POST@#$(configdir)#g' \ + -e 's#[@]libconfigdir_POST@#$(libconfigdir)#g' \ + -e 's#[@]cachedir_POST@#$(cachedir)#g' \ + -e 's#[@]registrydir_POST@#$(registrydir)#g' \ + -e 's#[@]varlibdir_POST@#$(varlibdir)#g' \ + $< > $@.tmp; then \ + mv "$@.tmp" "$@"; \ + else \ + rm -f "$@.tmp"; \ + false; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/collectors/tc.plugin/plugin_tc.c b/collectors/tc.plugin/plugin_tc.c index 083cc298..1a0ced9a 100644 --- a/collectors/tc.plugin/plugin_tc.c +++ b/collectors/tc.plugin/plugin_tc.c @@ -879,7 +879,7 @@ void *tc_main(void *ptr) { #endif uint32_t first_hash; - snprintfz(command, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_plugins_dir); + snprintfz(command, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_primary_plugins_dir); char *tc_script = config_get("plugin:tc", "script to run to get tc values", command); while(!netdata_exit) { diff --git a/collectors/tc.plugin/tc-qos-helper.sh b/collectors/tc.plugin/tc-qos-helper.sh new file mode 100644 index 00000000..c9e6727a --- /dev/null +++ b/collectors/tc.plugin/tc-qos-helper.sh @@ -0,0 +1,297 @@ +#!/usr/bin/env bash + +# netdata +# real-time performance and health monitoring, done right! +# (C) 2017 Costa Tsaousis <costa@tsaousis.gr> +# SPDX-License-Identifier: GPL-3.0-or-later +# +# This script is a helper to allow netdata collect tc data. +# tc output parsing has been implemented in C, inside netdata +# This script allows setting names to dimensions. + +export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" +export LC_ALL=C + +# ----------------------------------------------------------------------------- +# logging functions + +PROGRAM_NAME="$(basename "$0")" +PROGRAM_NAME="${PROGRAM_NAME/.plugin/}" + +logdate() { + date "+%Y-%m-%d %H:%M:%S" +} + +log() { + local status="${1}" + shift + + echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}" + +} + +warning() { + log WARNING "${@}" +} + +error() { + log ERROR "${@}" +} + +info() { + log INFO "${@}" +} + +fatal() { + log FATAL "${@}" + exit 1 +} + +debug=0 +debug() { + [ $debug -eq 1 ] && log DEBUG "${@}" +} + +# ----------------------------------------------------------------------------- +# find /var/run/fireqos + +# the default +fireqos_run_dir="/var/run/fireqos" + +function realdir() { + local r + local t + r="$1" + t="$(readlink "$r")" + + while [ "$t" ]; do + r=$(cd "$(dirname "$r")" && cd "$(dirname "$t")" && pwd -P)/$(basename "$t") + t=$(readlink "$r") + done + + dirname "$r" +} + +if [ ! -d "${fireqos_run_dir}" ]; then + + # the fireqos executable - we will use it to find its config + fireqos="$(command -v fireqos 2>/dev/null)" + + if [ -n "${fireqos}" ]; then + + fireqos_exec_dir="$(realdir "${fireqos}")" + + if [ -n "${fireqos_exec_dir}" ] && [ "${fireqos_exec_dir}" != "." ] && [ -f "${fireqos_exec_dir}/install.config" ]; then + LOCALSTATEDIR= + #shellcheck source=/dev/null + source "${fireqos_exec_dir}/install.config" + + if [ -d "${LOCALSTATEDIR}/run/fireqos" ]; then + fireqos_run_dir="${LOCALSTATEDIR}/run/fireqos" + else + warning "FireQoS is installed as '${fireqos}', its installation config at '${fireqos_exec_dir}/install.config' specifies local state data at '${LOCALSTATEDIR}/run/fireqos', but this directory is not found or is not readable (check the permissions of its parents)." + fi + else + warning "Although FireQoS is installed on this system as '${fireqos}', I cannot find/read its installation configuration at '${fireqos_exec_dir}/install.config'." + fi + else + warning "FireQoS is not installed on this system. Use FireQoS to apply traffic QoS and expose the class names to netdata. Check https://github.com/netdata/netdata/tree/master/collectors/tc.plugin#tcplugin" + fi +fi + +# ----------------------------------------------------------------------------- + +[ -z "${NETDATA_PLUGINS_DIR}" ] && NETDATA_PLUGINS_DIR="$(dirname "${0}")" +[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="/etc/netdata" +[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="/usr/lib/netdata/conf.d" + +plugins_dir="${NETDATA_PLUGINS_DIR}" +tc="$(command -v tc 2>/dev/null)" + +# ----------------------------------------------------------------------------- +# user configuration + +# time in seconds to refresh QoS class/qdisc names +qos_get_class_names_every=120 + +# time in seconds to exit - netdata will restart the script +qos_exit_every=3600 + +# what to use? classes or qdiscs? +tc_show="qdisc" # can also be "class" + +# ----------------------------------------------------------------------------- +# check if we have a valid number for interval + +t=${1} +update_every=$((t)) +[ $((update_every)) -lt 1 ] && update_every=${NETDATA_UPDATE_EVERY} +[ $((update_every)) -lt 1 ] && update_every=1 + +# ----------------------------------------------------------------------------- +# allow the user to override our defaults + +for CONFIG in "${NETDATA_STOCK_CONFIG_DIR}/tc-qos-helper.conf" "${NETDATA_USER_CONFIG_DIR}/tc-qos-helper.conf"; do + if [ -f "${CONFIG}" ]; then + info "Loading config file '${CONFIG}'..." + #shellcheck source=/dev/null + source "${CONFIG}" || error "Failed to load config file '${CONFIG}'." + else + warning "Cannot find file '${CONFIG}'." + fi +done + +case "${tc_show}" in +qdisc | class) ;; + +*) + error "tc_show variable can be either 'qdisc' or 'class' but is set to '${tc_show}'. Assuming it is 'qdisc'." + tc_show="qdisc" + ;; +esac + +# ----------------------------------------------------------------------------- +# default sleep function + +LOOPSLEEPMS_LASTWORK=0 +loopsleepms() { + sleep "$1" +} + +# if found and included, this file overwrites loopsleepms() +# with a high resolution timer function for precise looping. +#shellcheck source=/dev/null +. "${plugins_dir}/loopsleepms.sh.inc" + +# ----------------------------------------------------------------------------- +# final checks we can run + +if [ -z "${tc}" ] || [ ! -x "${tc}" ]; then + fatal "cannot find command 'tc' in this system." +fi + +tc_devices= +fix_names= + +# ----------------------------------------------------------------------------- + +setclassname() { + if [ "${tc_show}" = "qdisc" ]; then + echo "SETCLASSNAME $4 $2" + else + echo "SETCLASSNAME $3 $2" + fi +} + +show_tc_cls() { + [ "${tc_show}" = "qdisc" ] && return 1 + + local x="${1}" + + if [ -f /etc/iproute2/tc_cls ]; then + local classid name rest + while read -r classid name rest; do + if [ -z "${classid}" ] || + [ -z "${name}" ] || + [ "${classid}" = "#" ] || + [ "${name}" = "#" ] || + [ "${classid:0:1}" = "#" ] || + [ "${name:0:1}" = "#" ]; then + continue + fi + setclassname "" "${name}" "${classid}" + done </etc/iproute2/tc_cls + return 0 + fi + return 1 +} + +show_fireqos_names() { + local x="${1}" name n interface_dev interface_classes_monitor + + if [ -f "${fireqos_run_dir}/ifaces/${x}" ]; then + name="$(<"${fireqos_run_dir}/ifaces/${x}")" + echo "SETDEVICENAME ${name}" + + #shellcheck source=/dev/null + source "${fireqos_run_dir}/${name}.conf" + for n in ${interface_classes_monitor}; do + # shellcheck disable=SC2086 + setclassname ${n//|/ } + done + [ -n "${interface_dev}" ] && echo "SETDEVICEGROUP ${interface_dev}" + + return 0 + fi + + return 1 +} + +show_tc() { + local x="${1}" + + echo "BEGIN ${x}" + + # netdata can parse the output of tc + ${tc} -s ${tc_show} show dev "${x}" + + # check FireQOS names for classes + if [ -n "${fix_names}" ]; then + show_fireqos_names "${x}" || show_tc_cls "${x}" + fi + + echo "END ${x}" +} + +find_tc_devices() { + local count=0 devs dev rest l + + # find all the devices in the system + # without forking + while IFS=":| " read -r dev rest; do + count=$((count + 1)) + [ ${count} -le 2 ] && continue + devs="${devs} ${dev}" + done </proc/net/dev + + # from all the devices find the ones + # that have QoS defined + # unfortunately, one fork per device cannot be avoided + tc_devices= + for dev in ${devs}; do + l="$(${tc} class show dev "${dev}" 2>/dev/null)" + [ -n "${l}" ] && tc_devices="${tc_devices} ${dev}" + done +} + +# update devices and class names +# once every 2 minutes +names_every=$((qos_get_class_names_every / update_every)) + +# exit this script every hour +# it will be restarted automatically +exit_after=$((qos_exit_every / update_every)) + +c=0 +gc=0 +while true; do + fix_names= + c=$((c + 1)) + gc=$((gc + 1)) + + if [ ${c} -le 1 ] || [ ${c} -ge ${names_every} ]; then + c=1 + fix_names="YES" + find_tc_devices + fi + + for d in ${tc_devices}; do + show_tc "${d}" + done + + echo "WORKTIME ${LOOPSLEEPMS_LASTWORK}" + + loopsleepms ${update_every} + + [ ${gc} -gt ${exit_after} ] && exit 0 +done |