Merging upstream version 1.19.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 921 insertions, 7 deletions

diff --git a/collectors/tc.plugin/Makefile.am b/collectors/tc.plugin/Makefile.am
index f77e67d91..9bc6cf2de 100644
--- a/collectors/tc.plugin/Makefile.am
+++ b/collectors/tc.plugin/Makefile.am
@@ -4,17 +4,17 @@ AUTOMAKE_OPTIONS = subdir-objects
 MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
 
 CLEANFILES = \
-	tc-qos-helper.sh \
-	$(NULL)
+    tc-qos-helper.sh \
+    $(NULL)
 
 include $(top_srcdir)/build/subst.inc
 SUFFIXES = .in
 
 dist_plugins_SCRIPTS = \
-	tc-qos-helper.sh \
-	$(NULL)
+    tc-qos-helper.sh \
+    $(NULL)
 
 dist_noinst_DATA = \
-	tc-qos-helper.sh.in \
-	README.md \
-	$(NULL)
+    tc-qos-helper.sh.in \
+    README.md \
+    $(NULL)
diff --git a/collectors/tc.plugin/Makefile.in b/collectors/tc.plugin/Makefile.in
new file mode 100644
index 000000000..118de240c
--- /dev/null
+++ b/collectors/tc.plugin/Makefile.in
@@ -0,0 +1,617 @@
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+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(SCRIPTS) $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(pluginsdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-dist_pluginsSCRIPTS
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-dist_pluginsSCRIPTS
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic cscopelist-am \
+	ctags-am distclean distclean-generic distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dist_pluginsSCRIPTS install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-dist_pluginsSCRIPTS
+
+.PRECIOUS: Makefile
+
+.in:
+	if sed \
+		-e 's#[@]localstatedir_POST@#$(localstatedir)#g' \
+		-e 's#[@]sbindir_POST@#$(sbindir)#g' \
+		-e 's#[@]pluginsdir_POST@#$(pluginsdir)#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/tc-qos-helper.sh b/collectors/tc.plugin/tc-qos-helper.sh
new file mode 100644
index 000000000..c9e6727a0
--- /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