Adding upstream version 1.14.0.upstream/1.14.0

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

1 files changed, 211 insertions, 0 deletions

diff --git a/collectors/cgroups.plugin/cgroup-name.sh b/collectors/cgroups.plugin/cgroup-name.sh
new file mode 100644
index 00000000..d4deb74c
--- /dev/null
+++ b/collectors/cgroups.plugin/cgroup-name.sh
@@ -0,0 +1,211 @@
+#!/usr/bin/env bash
+#shellcheck disable=SC2001
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# Script to find a better name for cgroups
+#
+
+export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
+export LC_ALL=C
+
+# -----------------------------------------------------------------------------
+
+PROGRAM_NAME="$(basename "${0}")"
+
+logdate() {
+	date "+%Y-%m-%d %H:%M:%S"
+}
+
+log() {
+	local status="${1}"
+	shift
+
+	echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}"
+
+}
+
+warning() {
+	log WARNING "${@}"
+}
+
+error() {
+	log ERROR "${@}"
+}
+
+info() {
+	log INFO "${@}"
+}
+
+fatal() {
+	log FATAL "${@}"
+	exit 1
+}
+
+function docker_get_name_classic() {
+	local id="${1}"
+	info "Running command: docker ps --filter=id=\"${id}\" --format=\"{{.Names}}\""
+	NAME="$(docker ps --filter=id="${id}" --format="{{.Names}}")"
+	return 0
+}
+
+function docker_get_name_api() {
+	local id="${1}"
+	if [ ! -S "${DOCKER_HOST}" ]; then
+		warning "Can't find ${DOCKER_HOST}"
+		return 1
+	fi
+	if ! command -v jq >/dev/null 2>&1; then
+		warning "Can't find jq command line tool. jq is required for netdata to retrieve docker container name using ${DOCKER_HOST} API, falling back to docker ps"
+		return 1
+	fi
+
+	info "Running API command: /containers/${id}/json"
+	JSON=$(echo -e "GET /containers/${id}/json HTTP/1.0\\r\\n" | nc -U "${DOCKER_HOST}" | grep '^{.*')
+	NAME=$(echo "$JSON" | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||')
+	return 0
+}
+
+function k8s_get_name() {
+	# Take the last part of the delimited path identifier (expecting either _ or / as a delimiter).
+	local id="${1##*_}"
+	if [ "${id}" == "${1}" ]; then
+		id="${1##*/}"
+	fi
+	KUBE_TOKEN="$(</var/run/secrets/kubernetes.io/serviceaccount/token)"
+	if command -v jq >/dev/null 2>&1; then
+		NAME="$(
+		curl -sSk -H "Authorization: Bearer $KUBE_TOKEN"  "https://$KUBERNETES_SERVICE_HOST:$KUBERNETES_PORT_443_TCP_PORT/api/v1/pods" |
+		jq -r '.items[] | "k8s_\(.metadata.namespace)_\(.metadata.name)_\(.metadata.uid)_\(.status.containerStatuses[0].name) \(.status.containerStatuses[0].containerID)"' |
+		grep "$id" |
+		cut -d' ' -f1
+		)"
+	else
+		warning "jq command not available, k8s_get_name() cannot execute. Please install jq should you wish for k8s to be fully functional"
+	fi
+
+	if [ -z "${NAME}" ]; then
+		warning "cannot find the name of k8s pod with containerID '${id}'. Setting name to ${id} and disabling it"
+		NAME="${id}"
+		NAME_NOT_FOUND=3
+	else
+		info "k8s containerID '${id}' has chart name (namespace_podname_poduid_containername) '${NAME}'"
+	fi
+}
+
+function docker_get_name() {
+	local id="${1}"
+	if hash docker 2>/dev/null; then
+		docker_get_name_classic "${id}"
+	else
+		docker_get_name_api "${id}" || docker_get_name_classic "${id}"
+	fi
+	if [ -z "${NAME}" ]; then
+		warning "cannot find the name of docker container '${id}'"
+		NAME_NOT_FOUND=2
+		NAME="${id:0:12}"
+	else
+		info "docker container '${id}' is named '${NAME}'"
+	fi
+}
+
+function docker_validate_id() {
+	local id="${1}"
+	if [ -n "${id}" ] && { [ ${#id} -eq 64 ] || [ ${#id} -eq 12 ]; }; then
+		docker_get_name "${id}"
+	else
+		error "a docker id cannot be extracted from docker cgroup '${CGROUP}'."
+	fi
+}
+
+
+# -----------------------------------------------------------------------------
+
+[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="/etc/netdata"
+[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="/usr/lib/netdata/conf.d"
+
+DOCKER_HOST="${DOCKER_HOST:=/var/run/docker.sock}"
+CGROUP="${1}"
+NAME_NOT_FOUND=0
+NAME=
+
+# -----------------------------------------------------------------------------
+
+if [ -z "${CGROUP}" ]; then
+	fatal "called without a cgroup name. Nothing to do."
+fi
+
+for CONFIG in "${NETDATA_USER_CONFIG_DIR}/cgroups-names.conf" "${NETDATA_STOCK_CONFIG_DIR}/cgroups-names.conf"; do
+	if [ -f "${CONFIG}" ]; then
+		NAME="$(grep "^${CGROUP} " "${CONFIG}" | sed 's/[[:space:]]\+/ /g' | cut -d ' ' -f 2)"
+		if [ -z "${NAME}" ]; then
+			info "cannot find cgroup '${CGROUP}' in '${CONFIG}'."
+		else
+			break
+		fi
+	#else
+	#   info "configuration file '${CONFIG}' is not available."
+	fi
+done
+
+if [ -z "${NAME}" ] && [ -n "${KUBERNETES_SERVICE_HOST}" ] && [ -n "${KUBERNETES_PORT_443_TCP_PORT}" ] && [[ ${CGROUP} =~ ^.*kubepods.* ]]; then
+	k8s_get_name "${CGROUP}"
+fi
+
+if [ -z "${NAME}" ]; then
+	if [[ ${CGROUP} =~ ^.*docker[-_/\.][a-fA-F0-9]+[-_\.]?.*$ ]]; then
+		# docker containers
+		#shellcheck disable=SC1117
+		DOCKERID="$(echo "${CGROUP}" | sed "s|^.*docker[-_/]\([a-fA-F0-9]\+\)[-_\.]\?.*$|\1|")"
+		docker_validate_id "${DOCKERID}"
+	elif [[ ${CGROUP} =~ ^.*ecs[-_/\.][a-fA-F0-9]+[-_\.]?.*$ ]]; then
+		# ECS
+		#shellcheck disable=SC1117
+		DOCKERID="$(echo "${CGROUP}" | sed "s|^.*ecs[-_/].*[-_/]\([a-fA-F0-9]\+\)[-_\.]\?.*$|\1|")"
+		docker_validate_id "${DOCKERID}"
+
+	elif [[ ${CGROUP} =~ machine.slice[_/].*\.service ]]; then
+		# systemd-nspawn
+		NAME="$(echo "${CGROUP}" | sed 's/.*machine.slice[_\/]\(.*\)\.service/\1/g')"
+
+	elif [[ ${CGROUP} =~ machine.slice_machine.*-qemu ]]; then
+		# libvirtd / qemu virtual machines
+		# NAME="$(echo ${CGROUP} | sed 's/machine.slice_machine.*-qemu//; s/\/x2d//; s/\/x2d/\-/g; s/\.scope//g')"
+		NAME="qemu_$(echo "${CGROUP}" | sed 's/machine.slice_machine.*-qemu//; s/\/x2d[[:digit:]]*//; s/\/x2d//g; s/\.scope//g')"
+
+	elif [[ ${CGROUP} =~ machine_.*\.libvirt-qemu ]]; then
+		# libvirtd / qemu virtual machines
+		NAME="qemu_$(echo "${CGROUP}" | sed 's/^machine_//; s/\.libvirt-qemu$//; s/-/_/;')"
+
+	elif [[ ${CGROUP} =~ qemu.slice_([0-9]+).scope && -d /etc/pve ]]; then
+		# Proxmox VMs
+
+		FILENAME="/etc/pve/qemu-server/${BASH_REMATCH[1]}.conf"
+		if [[ -f $FILENAME && -r $FILENAME ]]; then
+			NAME="qemu_$(grep -e '^name: ' "/etc/pve/qemu-server/${BASH_REMATCH[1]}.conf" | head -1 | sed -rn 's|\s*name\s*:\s*(.*)?$|\1|p')"
+		else
+			error "proxmox config file missing ${FILENAME} or netdata does not have read access.  Please ensure netdata is a member of www-data group."
+		fi
+	elif [[ ${CGROUP} =~ lxc_([0-9]+) && -d /etc/pve ]]; then
+		# Proxmox Containers (LXC)
+
+		FILENAME="/etc/pve/lxc/${BASH_REMATCH[1]}.conf"
+		if [[ -f ${FILENAME} && -r ${FILENAME} ]]; then
+			NAME=$(grep -e '^hostname: ' "/etc/pve/lxc/${BASH_REMATCH[1]}.conf" | head -1 | sed -rn 's|\s*hostname\s*:\s*(.*)?$|\1|p')
+		else
+			error "proxmox config file missing ${FILENAME} or netdata does not have read access.  Please ensure netdata is a member of www-data group."
+		fi
+	fi
+
+	[ -z "${NAME}" ] && NAME="${CGROUP}"
+	[ ${#NAME} -gt 100 ] && NAME="${NAME:0:100}"
+fi
+
+info "cgroup '${CGROUP}' is called '${NAME}'"
+echo "${NAME}"
+
+exit ${NAME_NOT_FOUND}
+