diff options
Diffstat (limited to 'plugins.d/cgroup-name.sh')
| -rwxr-xr-x | plugins.d/cgroup-name.sh | 95 |
1 files changed, 49 insertions, 46 deletions
diff --git a/plugins.d/cgroup-name.sh b/plugins.d/cgroup-name.sh index 8ce64b3d..8bfc984c 100755 --- a/plugins.d/cgroup-name.sh +++ b/plugins.d/cgroup-name.sh @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" export LC_ALL=C @@ -9,66 +9,69 @@ CGROUP="${1}" NAME= if [ -z "${CGROUP}" ] - then - echo >&2 "${0}: called without a cgroup name. Nothing to do." - exit 1 + 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 '${CONFIG}'." - fi + then + NAME="$(grep "^${CGROUP} " "${CONFIG}" | 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." +# 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}}" )" + local DOCKERID="$1" + echo >&2 "Running command: docker ps --filter=id=\"${DOCKERID}\" --format=\"{{.Names}}\"" + NAME="$( docker ps --filter=id="${DOCKERID}" --format="{{.Names}}" )" + return 0 } 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|^/||') + local DOCKERID="$1" + if [ ! -S "/var/run/docker.sock" ] + then + echo >&2 "Can't find /var/run/docker.sock" + return 1 + fi + echo >&2 "Running API command: /containers/${DOCKERID}/json" + JSON=$(echo -e "GET /containers/${DOCKERID}/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock | egrep '^{.*') + NAME=$(echo $JSON | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') + return 0 } if [ -z "${NAME}" ] - then - if [[ "${CGROUP}" =~ ^.*docker[-/\.][a-fA-F0-9]+[-\.]?.*$ ]] - then - DOCKERID="$( echo "${CGROUP}" | sed "s|^.*docker[-/]\([a-fA-F0-9]\+\)[-\.]\?.*$|\1|" )" + then + if [[ "${CGROUP}" =~ ^.*docker[-_/\.][a-fA-F0-9]+[-_\.]?.*$ ]] + then + 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 - 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 + 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 || get_name_classic $DOCKERID + fi + if [ -z "${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}" + [ -z "${NAME}" ] && NAME="${CGROUP}" + [ ${#NAME} -gt 50 ] && NAME="${NAME:0:50}" fi echo >&2 "${0}: cgroup '${CGROUP}' is called '${NAME}'" |