New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg

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

1 files changed, 196 insertions, 0 deletions

diff --git a/collectors/cgroups.plugin/cgroup-name.sh.in b/collectors/cgroups.plugin/cgroup-name.sh.in
new file mode 100755
index 000000000..53696a4bf
--- /dev/null
+++ b/collectors/cgroups.plugin/cgroup-name.sh.in
@@ -0,0 +1,196 @@
+#!/usr/bin/env bash
+
+# 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
+}
+
+debug=0
+debug() {
+    [ $debug -eq 1 ] && log DEBUG "${@}"
+}
+
+# -----------------------------------------------------------------------------
+
+[ -z "${NETDATA_USER_CONFIG_DIR}"  ] && NETDATA_USER_CONFIG_DIR="@configdir_POST@"
+[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@"
+
+DOCKER_HOST="${DOCKER_HOST:=/var/run/docker.sock}"
+CGROUP="${1}"
+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 '${CONFIG}' is not available."
+    fi
+done
+
+function docker_get_name_classic {
+    local id="${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 ${DOCKER_HOST}"
+        return 1
+    fi
+    info "Running API command: /containers/${id}/json"
+    JSON=$(echo -e "GET /containers/${id}/json HTTP/1.0\r\n" | nc -U ${DOCKER_HOST} | grep '^{.*')
+    NAME=$(echo $JSON | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||')
+    return 0
+}
+
+function docker_get_name {
+    local id="${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 '${id}'"
+        NAME="${id:0:12}"
+    else
+        info "docker container '${id}' is named '${NAME}'"
+    fi
+}
+
+if [ -z "${NAME}" ]
+    then
+    if [[ "${CGROUP}" =~ ^.*docker[-_/\.][a-fA-F0-9]+[-_\.]?.*$ ]]
+        then
+        # docker containers
+
+        DOCKERID="$( echo "${CGROUP}" | sed "s|^.*docker[-_/]\([a-fA-F0-9]\+\)[-_\.]\?.*$|\1|" )"
+        # echo "DOCKERID=${DOCKERID}"
+
+        if [ ! -z "${DOCKERID}" -a \( ${#DOCKERID} -eq 64 -o ${#DOCKERID} -eq 12 \) ]
+            then
+            docker_get_name "${DOCKERID}"
+        else
+            error "a docker id cannot be extracted from docker cgroup '${CGROUP}'."
+        fi
+    elif [[ "${CGROUP}" =~ ^.*kubepods[_/].*[_/]pod[a-fA-F0-9-]+[_/][a-fA-F0-9]+$ ]]
+        then
+        # kubernetes
+
+        DOCKERID="$( echo "${CGROUP}" | sed "s|^.*kubepods[_/].*[_/]pod[a-fA-F0-9-]\+[_/]\([a-fA-F0-9]\+\)$|\1|" )"
+        # echo "DOCKERID=${DOCKERID}"
+
+        if [ ! -z "${DOCKERID}" -a \( ${#DOCKERID} -eq 64 -o ${#DOCKERID} -eq 12 \) ]
+            then
+            docker_get_name "${DOCKERID}"
+        else
+            error "a docker id cannot be extracted from kubernetes cgroup '${CGROUP}'."
+        fi
+    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}"