diff options
Diffstat (limited to 'plugins.d/cgroup-name.sh')
| -rwxr-xr-x | plugins.d/cgroup-name.sh | 69 |
1 files changed, 59 insertions, 10 deletions
diff --git a/plugins.d/cgroup-name.sh b/plugins.d/cgroup-name.sh index 1c6f564b4..9bb3bcabb 100755 --- a/plugins.d/cgroup-name.sh +++ b/plugins.d/cgroup-name.sh @@ -1,17 +1,66 @@ #!/usr/bin/env bash +# netdata +# real-time performance and health monitoring, done right! +# (C) 2016 Costa Tsaousis <costa@tsaousis.gr> +# GPL v3+ +# +# Script to find a better name for cgroups +# + export PATH="${PATH}:/sbin:/usr/sbin:/usr/local/sbin" export LC_ALL=C +# ----------------------------------------------------------------------------- + +PROGRAM_NAME="$(basename "${0}")" + +logdate() { + date "+%Y-%m-%d %H:%M:%S" +} + +log() { + local status="${1}" + shift + + echo >&2 "$(logdate): ${PROGRAM_NAME}: ${status}: ${*}" + +} + +warning() { + log WARNING "${@}" +} + +error() { + log ERROR "${@}" +} + +info() { + log INFO "${@}" +} + +fatal() { + log FATAL "${@}" + exit 1 +} + +debug=0 +debug() { + [ $debug -eq 1 ] && log DEBUG "${@}" +} + +# ----------------------------------------------------------------------------- + NETDATA_CONFIG_DIR="${NETDATA_CONFIG_DIR-/etc/netdata}" CONFIG="${NETDATA_CONFIG_DIR}/cgroups-names.conf" CGROUP="${1}" NAME= +# ----------------------------------------------------------------------------- + if [ -z "${CGROUP}" ] then - echo >&2 "${0}: called without a cgroup name. Nothing to do." - exit 1 + fatal "called without a cgroup name. Nothing to do." fi if [ -f "${CONFIG}" ] @@ -19,15 +68,15 @@ if [ -f "${CONFIG}" ] NAME="$(grep "^${CGROUP} " "${CONFIG}" | sed "s/[[:space:]]\+/ /g" | cut -d ' ' -f 2)" if [ -z "${NAME}" ] then - echo >&2 "${0}: cannot find cgroup '${CGROUP}' in '${CONFIG}'." + info "cannot find cgroup '${CGROUP}' in '${CONFIG}'." fi #else -# echo >&2 "${0}: configuration file '${CONFIG}' is not available." +# info "configuration file '${CONFIG}' is not available." fi function get_name_classic { local DOCKERID="$1" - echo >&2 "Running command: docker ps --filter=id=\"${DOCKERID}\" --format=\"{{.Names}}\"" + info "Running command: docker ps --filter=id=\"${DOCKERID}\" --format=\"{{.Names}}\"" NAME="$( docker ps --filter=id="${DOCKERID}" --format="{{.Names}}" )" return 0 } @@ -36,10 +85,10 @@ function get_name_api { local DOCKERID="$1" if [ ! -S "/var/run/docker.sock" ] then - echo >&2 "Can't find /var/run/docker.sock" + warning "Can't find /var/run/docker.sock" return 1 fi - echo >&2 "Running API command: /containers/${DOCKERID}/json" + info "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 $JSON | jq -r .Name,.Config.Hostname | grep -v null | head -n1 | sed 's|^/||') return 0 @@ -62,10 +111,10 @@ if [ -z "${NAME}" ] fi if [ -z "${NAME}" ] then - echo >&2 "Cannot find the name of docker container '${DOCKERID}'" + warning "cannot find the name of docker container '${DOCKERID}'" NAME="${DOCKERID:0:12}" else - echo >&2 "Docker container '${DOCKERID}' is named '${NAME}'" + info "docker container '${DOCKERID}' is named '${NAME}'" fi fi fi @@ -74,5 +123,5 @@ if [ -z "${NAME}" ] [ ${#NAME} -gt 100 ] && NAME="${NAME:0:100}" fi -echo >&2 "${0}: cgroup '${CGROUP}' is called '${NAME}'" +info "cgroup '${CGROUP}' is called '${NAME}'" echo "${NAME}" |