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-rwxr-xr-xcollectors/cgroups.plugin/cgroup-name.sh.in258
1 files changed, 119 insertions, 139 deletions
diff --git a/collectors/cgroups.plugin/cgroup-name.sh.in b/collectors/cgroups.plugin/cgroup-name.sh.in
index 53696a4bf..3aebe2bf4 100755
--- a/collectors/cgroups.plugin/cgroup-name.sh.in
+++ b/collectors/cgroups.plugin/cgroup-name.sh.in
@@ -1,4 +1,5 @@
#!/usr/bin/env bash
+#shellcheck disable=SC2001
# netdata
# real-time performance and health monitoring, done right!
@@ -16,42 +17,80 @@ 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
+ log FATAL "${@}"
+ exit 1
}
-debug=0
-debug() {
- [ $debug -eq 1 ] && log DEBUG "${@}"
+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
+}
+
+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="@configdir_POST@"
+[ -z "${NETDATA_USER_CONFIG_DIR}" ] && NETDATA_USER_CONFIG_DIR="@configdir_POST@"
[ -z "${NETDATA_STOCK_CONFIG_DIR}" ] && NETDATA_STOCK_CONFIG_DIR="@libconfigdir_POST@"
DOCKER_HOST="${DOCKER_HOST:=/var/run/docker.sock}"
@@ -60,136 +99,77 @@ NAME=
# -----------------------------------------------------------------------------
-if [ -z "${CGROUP}" ]
- then
- fatal "called without a cgroup name. Nothing to do."
+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 '${CONFIG}' is not available."
- fi
+for CONFIG in "${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}"
+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 [[ ${CGROUP} =~ ^.*kubepods[_/].*[_/]pod[a-fA-F0-9-]+[_/][a-fA-F0-9]+$ ]]; then
+ # kubernetes
+ #shellcheck disable=SC1117
+ DOCKERID="$(echo "${CGROUP}" | sed "s|^.*kubepods[_/].*[_/]pod[a-fA-F0-9-]\+[_/]\([a-fA-F0-9]\+\)$|\1|")"
+ docker_validate_id "${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}'"
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-17 02:34:54 +0000