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Diffstat (limited to '')
-rwxr-xr-x | plugins.d/cgroup-name.sh | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/plugins.d/cgroup-name.sh b/plugins.d/cgroup-name.sh new file mode 100755 index 00000000..8ce64b3d --- /dev/null +++ b/plugins.d/cgroup-name.sh @@ -0,0 +1,75 @@ +#!/bin/bash + +export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" +export LC_ALL=C + +NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}" +CONFIG="${NETDATA_CONFIG_DIR}/cgroups-names.conf" +CGROUP="${1}" +NAME= + +if [ -z "${CGROUP}" ] + then + echo >&2 "${0}: called without a cgroup name. Nothing to do." + exit 1 +fi + +if [ -f "${CONFIG}" ] + then + NAME="$(cat "${CONFIG}" | grep "^${CGROUP} " | sed "s/[[:space:]]\+/ /g" | cut -d ' ' -f 2)" + if [ -z "${NAME}" ] + then + echo >&2 "${0}: cannot find cgroup '${CGROUP}' in '${CONFIG}'." + fi +#else +# echo >&2 "${0}: configuration file '${CONFIG}' is not available." +fi + +function get_name_classic { + DOCKERID=$1 + echo >&2 "Running command: docker ps --filter=id=\"${DOCKERID}\" --format=\"{{.Names}}\"" + NAME="$( docker ps --filter=id="${DOCKERID}" --format="{{.Names}}" )" +} + +function get_name_api { + DOCKERID=$1 + if [ ! -S "/var/run/docker.sock" ] + then + echo >&2 "Can't find /var/run/docker.sock" + return + fi + echo >&2 "Running API command: /containers/${DOCKERID}/json" + JSON=$(echo -e "GET /containers/${DOCKERID}/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock | egrep '^{.*') + NAME=$(echo $JSON | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') +} + +if [ -z "${NAME}" ] + then + if [[ "${CGROUP}" =~ ^.*docker[-/\.][a-fA-F0-9]+[-\.]?.*$ ]] + then + DOCKERID="$( echo "${CGROUP}" | sed "s|^.*docker[-/]\([a-fA-F0-9]\+\)[-\.]\?.*$|\1|" )" + + if [ ! -z "${DOCKERID}" -a \( ${#DOCKERID} -eq 64 -o ${#DOCKERID} -eq 12 \) ] + then + if hash docker 2>/dev/null + then + get_name_classic $DOCKERID + else + get_name_api $DOCKERID + fi + if [ -z "${NAME}" ] + then + echo >&2 "Cannot find the name of docker container '${DOCKERID}'" + NAME="${DOCKERID:0:12}" + else + echo >&2 "Docker container '${DOCKERID}' is named '${NAME}'" + fi + fi + fi + + [ -z "${NAME}" ] && NAME="${CGROUP}" + [ ${#NAME} -gt 50 ] && NAME="${NAME:0:50}" +fi + +echo >&2 "${0}: cgroup '${CGROUP}' is called '${NAME}'" +echo "${NAME}" |