diff options
Diffstat (limited to 'collectors/cgroups.plugin/cgroup-name.sh.in')
| -rwxr-xr-x | collectors/cgroups.plugin/cgroup-name.sh.in | 538 |
1 files changed, 395 insertions, 143 deletions
diff --git a/collectors/cgroups.plugin/cgroup-name.sh.in b/collectors/cgroups.plugin/cgroup-name.sh.in index f7b765bb..19fbf398 100755 --- a/collectors/cgroups.plugin/cgroup-name.sh.in +++ b/collectors/cgroups.plugin/cgroup-name.sh.in @@ -17,117 +17,360 @@ export LC_ALL=C PROGRAM_NAME="$(basename "${0}")" logdate() { - date "+%Y-%m-%d %H:%M:%S" + date "+%Y-%m-%d %H:%M:%S" } log() { - local status="${1}" - shift + local status="${1}" + shift - echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}" + echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}" } warning() { - log WARNING "${@}" + log WARNING "${@}" } error() { - log ERROR "${@}" + log ERROR "${@}" } info() { - log INFO "${@}" + 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 path="/containers/${1}/json" - if [ -z "${DOCKER_HOST}" ]; then - warning "No DOCKER_HOST is set" - 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 ${DOCKER_HOST} API, falling back to docker ps" - return 1 - fi - if [ -S "${DOCKER_HOST}" ]; then - info "Running API command: curl --unix-socket ${DOCKER_HOST} http://localhost${path}" - JSON=$(curl -sS --unix-socket "${DOCKER_HOST}" "http://localhost${path}") - elif [ "${DOCKER_HOST}" == "/var/run/docker.sock" ]; then - warning "Docker socket was not found at ${DOCKER_HOST}" - return 1 - else - info "Running API command: curl ${DOCKER_HOST}${path}" - JSON=$(curl -sS "${DOCKER_HOST}${path}") - fi - NAME=$(echo "$JSON" | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') - return 0 + log FATAL "${@}" + exit 1 +} + +function docker_like_get_name_command() { + local command="${1}" + local id="${2}" + info "Running command: ${command} ps --filter=id=\"${id}\" --format=\"{{.Names}}\"" + NAME="$(${command} ps --filter=id="${id}" --format="{{.Names}}")" + return 0 +} + +function docker_like_get_name_api() { + local host_var="${1}" + local host="${!host_var}" + local path="/containers/${2}/json" + if [ -z "${host}" ]; then + warning "No ${host_var} is set" + 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 container name using ${host} API, falling back to docker ps" + return 1 + fi + if [ -S "${host}" ]; then + info "Running API command: curl --unix-socket \"${host}\" http://localhost${path}" + JSON=$(curl -sS --unix-socket "${host}" "http://localhost${path}") + else + info "Running API command: curl \"${host}${path}\"" + JSON=$(curl -sS "${host}${path}") + fi + NAME=$(echo "${JSON}" | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') + return 0 +} + +# get_lbl_val returns the value for the label with the given name. +# Returns "null" string if the label doesn't exist. +# Expected labels format: 'name="value",...'. +function get_lbl_val() { + local labels want_name + labels="${1}" + want_name="${2}" + + IFS=, read -ra labels <<< "$labels" + + local lname lval + for l in "${labels[@]}"; do + IFS="=" read -r lname lval <<< "$l" + if [ "$want_name" = "$lname" ] && [ -n "$lval" ]; then + echo "${lval:1:-1}" # trim " + return 0 + fi + done + + echo "null" + return 1 +} + +function add_lbl_prefix() { + local orig_labels prefix + orig_labels="${1}" + prefix="${2}" + + IFS=, read -ra labels <<< "$orig_labels" + + local new_labels + for l in "${labels[@]}"; do + new_labels+="${prefix}${l}," + done + + echo "${new_labels:0:-1}" # trim last ',' +} + +# k8s_get_kubepod_name resolves */kubepods/* cgroup name. +# pod level cgroup name format: 'pod_<namespace>_<pod_name>' +# container level cgroup name format: 'cntr_<namespace>_<pod_name>_<container_name>' +function k8s_get_kubepod_name() { + # GKE /sys/fs/cgroup/*/ tree: + # |-- kubepods + # | |-- burstable + # | | |-- pod98cee708-023b-11eb-933d-42010a800193 + # | | | |-- 922161c98e6ea450bf665226cdc64ca2aa3e889934c2cff0aec4325f8f78ac03 + # | | `-- a5d223eec35e00f5a1c6fa3e3a5faac6148cdc1f03a2e762e873b7efede012d7 + # | `-- pode314bbac-d577-11ea-a171-42010a80013b + # | |-- 7d505356b04507de7b710016d540b2759483ed5f9136bb01a80872b08f771930 + # | `-- 88ab4683b99cfa7cc8c5f503adf7987dd93a3faa7c4ce0d17d419962b3220d50 + # + # Minikube (v1.8.2) /sys/fs/cgroup/*/ tree: + # |-- kubepods.slice + # | |-- kubepods-besteffort.slice + # | | |-- kubepods-besteffort-pod10fb5647_c724_400c_b9cc_0e6eae3110e7.slice + # | | | |-- docker-36e5eb5056dfdf6dbb75c0c44a1ecf23217fe2c50d606209d8130fcbb19fb5a7.scope + # | | | `-- docker-87e18c2323621cf0f635c53c798b926e33e9665c348c60d489eef31ee1bd38d7.scope + # + # NOTE: cgroups plugin uses '_' to join dir names, so it is <parent>_<child>_<child>_... + + local fn="${FUNCNAME[0]}" + local id="${1}" + + if [[ ! $id =~ ^kubepods ]]; then + warning "${fn}: '${id}' is not kubepod cgroup." + return 1 + fi + + local clean_id="$id" + clean_id=${clean_id//.slice/} + clean_id=${clean_id//.scope/} + + local name pod_uid cntr_id + if [[ $clean_id == "kubepods" ]]; then + name="$clean_id" + elif [[ $clean_id =~ .+(besteffort|burstable|guaranteed)$ ]]; then + # kubepods_<QOS_CLASS> + # kubepods_kubepods-<QOS_CLASS> + name=${clean_id//-/_} + name=${name/#kubepods_kubepods/kubepods} + elif [[ $clean_id =~ .+pod[a-f0-9_-]+_docker-([a-f0-9]+)$ ]]; then + # ...pod<POD_UID>_docker-<CONTAINER_ID> (POD_UID w/ "_") + cntr_id=${BASH_REMATCH[1]} + elif [[ $clean_id =~ .+pod[a-f0-9-]+_([a-f0-9]+)$ ]]; then + # ...pod<POD_UID>_<CONTAINER_ID> + cntr_id=${BASH_REMATCH[1]} + elif [[ $clean_id =~ .+pod([a-f0-9_-]+)$ ]]; then + # ...pod<POD_UID> (POD_UID w/ and w/o "_") + pod_uid=${BASH_REMATCH[1]} + pod_uid=${pod_uid//_/-} + fi + + if [ -n "$name" ]; then + echo "$name" + return 0 + fi + + if [ -z "$pod_uid" ] && [ -z "$cntr_id" ]; then + warning "${fn}: can't extract pod_uid or container_id from the cgroup '$id'." + return 1 + fi + + [ -n "$pod_uid" ] && info "${fn}: cgroup '$id' is a pod(uid:$pod_uid)" + [ -n "$cntr_id" ] && info "${fn}: cgroup '$id' is a container(id:$cntr_id)" + + if ! command -v jq > /dev/null 2>&1; then + warning "${fn}: 'jq' command not available." + return 1 + fi + + local kube_system_ns + local tmp_kube_system_ns_file="${TMPDIR:-"/tmp/"}netdata-cgroups-kube-system-ns" + [ -f "$tmp_kube_system_ns_file" ] && kube_system_ns=$(cat "$tmp_kube_system_ns_file" 2> /dev/null) + + local pods + if [ -n "${KUBERNETES_SERVICE_HOST}" ] && [ -n "${KUBERNETES_PORT_443_TCP_PORT}" ]; then + local token header host url + token="$(< /var/run/secrets/kubernetes.io/serviceaccount/token)" + header="Authorization: Bearer $token" + host="$KUBERNETES_SERVICE_HOST:$KUBERNETES_PORT_443_TCP_PORT" + + if [ -z "$kube_system_ns" ]; then + url="https://$host/api/v1/namespaces/kube-system" + # FIX: check HTTP response code + if ! kube_system_ns=$(curl -sSk -H "$header" "$url" 2>&1); then + warning "${fn}: error on curl '${url}': ${kube_system_ns}." + else + echo "$kube_system_ns" > "$tmp_kube_system_ns_file" 2> /dev/null + fi + fi + + url="https://$host/api/v1/pods" + [ -n "$MY_NODE_NAME" ] && url+="?fieldSelector=spec.nodeName==$MY_NODE_NAME" + # FIX: check HTTP response code + if ! pods=$(curl -sSk -H "$header" "$url" 2>&1); then + warning "${fn}: error on curl '${url}': ${pods}." + return 1 + fi + elif ps -C kubelet > /dev/null 2>&1 && command -v kubectl > /dev/null 2>&1; then + if [ -z "$kube_system_ns" ]; then + if ! kube_system_ns=$(kubectl get namespaces kube-system -o json 2>&1); then + warning "${fn}: error on 'kubectl': ${kube_system_ns}." + else + echo "$kube_system_ns" > "$tmp_kube_system_ns_file" 2> /dev/null + fi + fi + + [[ -z ${KUBE_CONFIG+x} ]] && KUBE_CONFIG="/etc/kubernetes/admin.conf" + if ! pods=$(kubectl --kubeconfig="$KUBE_CONFIG" get pods --all-namespaces -o json 2>&1); then + warning "${fn}: error on 'kubectl': ${pods}." + return 1 + fi + else + warning "${fn}: not inside the k8s cluster and 'kubectl' command not available." + return 1 + fi + + local kube_system_uid + if [ -n "$kube_system_ns" ] && ! kube_system_uid=$(jq -r '.metadata.uid' <<< "$kube_system_ns" 2>&1); then + warning "${fn}: error on 'jq' parse kube_system_ns: ${kube_system_uid}." + fi + + local jq_filter + jq_filter+='.items[] | "' + jq_filter+='namespace=\"\(.metadata.namespace)\",' + jq_filter+='pod_name=\"\(.metadata.name)\",' + jq_filter+='pod_uid=\"\(.metadata.uid)\",' + #jq_filter+='\(.metadata.labels | to_entries | map("pod_label_"+.key+"=\""+.value+"\"") | join(",") | if length > 0 then .+"," else . end)' + jq_filter+='\((.metadata.ownerReferences[]? | select(.controller==true) | "controller_kind=\""+.kind+"\",controller_name=\""+.name+"\",") // "")' + jq_filter+='node_name=\"\(.spec.nodeName)\",' + jq_filter+='" + ' + jq_filter+='(.status.containerStatuses[]? | "' + jq_filter+='container_name=\"\(.name)\",' + jq_filter+='container_id=\"\(.containerID)\"' + jq_filter+='") | ' + jq_filter+='sub("docker://";"")' # containerID: docker://a346da9bc0e3eaba6b295f64ac16e02f2190db2cef570835706a9e7a36e2c722 + + local containers + if ! containers=$(jq -r "${jq_filter}" <<< "$pods" 2>&1); then + warning "${fn}: error on 'jq' parse pods: ${containers}." + return 1 + fi + + # available labels: + # namespace, pod_name, pod_uid, container_name, container_id, node_name + local labels + if [ -n "$cntr_id" ]; then + if labels=$(grep "$cntr_id" <<< "$containers" 2> /dev/null); then + labels+=',kind="container"' + [ -n "$kube_system_uid" ] && [ "$kube_system_uid" != "null" ] && labels+=",cluster_id=\"$kube_system_uid\"" + name="cntr" + name+="_$(get_lbl_val "$labels" namespace)" + name+="_$(get_lbl_val "$labels" pod_name)" + name+="_$(get_lbl_val "$labels" container_name)" + labels=$(add_lbl_prefix "$labels" "k8s_") + name+=" $labels" + fi + elif [ -n "$pod_uid" ]; then + if labels=$(grep "$pod_uid" -m 1 <<< "$containers" 2> /dev/null); then + labels="${labels%%,container_*}" + labels+=',kind="pod"' + [ -n "$kube_system_uid" ] && [ "$kube_system_uid" != "null" ] && labels+=",cluster_id=\"$kube_system_uid\"" + name="pod" + name+="_$(get_lbl_val "$labels" namespace)" + name+="_$(get_lbl_val "$labels" pod_name)" + labels=$(add_lbl_prefix "$labels" "k8s_") + name+=" $labels" + fi + fi + + # jq filter nonexistent field and nonexistent label value is 'null' + if [[ $name =~ _null(_|$) ]]; then + warning "${fn}: invalid name: $name (cgroup '$id')" + name="" + fi + + echo "$name" + [ -n "$name" ] + return } 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[]? | "\(.name) \(.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 + local fn="${FUNCNAME[0]}" + local id="${1}" + + NAME=$(k8s_get_kubepod_name "$id") + + if [ -z "${NAME}" ]; then + warning "${fn}: cannot find the name of cgroup with id '${id}'. Setting name to ${id} and disabling it." + NAME="${id}" + NAME_NOT_FOUND=3 + else + NAME="k8s_${NAME}" + + local name labels + name=${NAME%% *} + labels=${NAME#* } + if [ "$name" != "$labels" ]; then + info "${fn}: cgroup '${id}' has chart name '${name}', labels '${labels}" + else + info "${fn}: cgroup '${id}' has chart name '${NAME}'" + fi + 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 '${NAME}'" - fi + local id="${1}" + if hash docker 2> /dev/null; then + docker_like_get_name_command docker "${id}" + else + docker_like_get_name_api DOCKER_HOST "${id}" || docker_like_get_name_command podman "${id}" + fi + if [ -z "${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 '${CGROUP}'." - fi + local id="${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 '${CGROUP}'." + fi +} + +function podman_get_name() { + local id="${1}" + + # for Podman, prefer using the API if we can, as netdata will not normally have access + # to other users' containers, so they will not be visible when running `podman ps` + docker_like_get_name_api PODMAN_HOST "${id}" || docker_like_get_name_command podman "${id}" + + if [ -z "${NAME}" ]; then + warning "cannot find the name of podman container '${id}'" + NAME_NOT_FOUND=2 + NAME="${id:0:12}" + else + info "podman container '${id}' is named '${NAME}'" + fi } +function podman_validate_id() { + local id="${1}" + if [ -n "${id}" ] && [ ${#id} -eq 64 ]; then + podman_get_name "${id}" + else + error "a podman id cannot be extracted from docker cgroup '${CGROUP}'." + fi +} # ----------------------------------------------------------------------------- @@ -135,6 +378,7 @@ function docker_validate_id() { [ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@" DOCKER_HOST="${DOCKER_HOST:=/var/run/docker.sock}" +PODMAN_HOST="${PODMAN_HOST:=/run/podman/podman.sock}" CGROUP="${1}" NAME_NOT_FOUND=0 NAME= @@ -142,77 +386,85 @@ NAME= # ----------------------------------------------------------------------------- if [ -z "${CGROUP}" ]; then - fatal "called without a cgroup name. Nothing to do." + 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 + 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}" +if [ -z "${NAME}" ]; then + if [[ ${CGROUP} =~ ^.*kubepods.* ]]; then + k8s_get_name "${CGROUP}" + fi 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}" + 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 [[ ${CGROUP} =~ ^.*libpod-[a-fA-F0-9]+.*$ ]]; then + # Podman + PODMANID="$(echo "${CGROUP}" | sed "s|^.*libpod-\([a-fA-F0-9]\+\).*$|\1|")" + podman_validate_id "${PODMANID}" + + 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 + elif [[ ${CGROUP} =~ lxc.payload.* ]]; then + # LXC 4.0 + NAME="$(echo "${CGROUP}" | sed 's/lxc\.payload\.\(.*\)/\1/g')" + 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} - |