plugins.d/cgroup-name.sh

   1 #!/bin/bash
   2
   3 export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin"
   4
   5 NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}"
   6 CONFIG="${NETDATA_CONFIG_DIR}/cgroups-names.conf"
   7 CGROUP="${1}"
   8 NAME=
   9
  10 if [ -z "${CGROUP}" ]
  11         then
  12         echo >&2 "${0}: called without a cgroup name. Nothing to do."
  13         exit 1
  14 fi
  15
  16 if [ -f "${CONFIG}" ]
  17         then
  18         NAME="$(cat "${CONFIG}" | grep "^${CGROUP}" | cut -d ' ' -f 2)"
  19         if [ -z "${NAME}" ]
  20                 then
  21                 echo >&2 "${0}: cannot find cgroup '${CGROUP}' in '${CONFIG}'."
  22         fi
  23 else
  24         echo >&2 "${0}: configuration file '${CONFIG}' is not available."
  25 fi
  26
  27 if [ -z "${NAME}" ]
  28         then
  29         if [ ${#CGROUP} -gt 12 ]
  30                 then
  31                 NAME="${CGROUP:0:12}"
  32         else
  33                 NAME="${CGROUP}"
  34         fi
  35 fi
  36
  37 echo >&2 "${0}: cgroup '${CGROUP}' is named as '${NAME}'"
  38 echo "${NAME}"