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Diffstat (limited to 'ambari-metrics/ambari-metrics-host-monitoring/conf/unix/ambari-metrics-monitor')
| -rw-r--r-- | ambari-metrics/ambari-metrics-host-monitoring/conf/unix/ambari-metrics-monitor | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/ambari-metrics/ambari-metrics-host-monitoring/conf/unix/ambari-metrics-monitor b/ambari-metrics/ambari-metrics-host-monitoring/conf/unix/ambari-metrics-monitor new file mode 100644 index 0000000000..fd086d9354 --- /dev/null +++ b/ambari-metrics/ambari-metrics-host-monitoring/conf/unix/ambari-metrics-monitor @@ -0,0 +1,203 @@ +#!/bin/bash + +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific + + +MONITOR_CONF_DIR=/etc/ambari-metrics-monitor/conf/ +METRIC_MONITOR=ambari-metrics-monitor + +RESOURCE_MONITORING_DIR=/usr/lib/python2.6/site-packages/resource_monitoring +METRIC_MONITOR_PY_SCRIPT=${RESOURCE_MONITORING_DIR}/main.py + +PIDFILE=/var/run/ambari-metrics-monitor/ambari-metrics-monitor.pid +OUTFILE=/var/log/ambari-metrics-monitor/ambari-metrics-monitor.out + +STOP_TIMEOUT=5 + +OK=0 +NOTOK=1 + +if [ -a /usr/bin/python2.7 ] && [ -z "${PYTHON}" ]; then + PYTHON=/usr/bin/python2.7 +fi + +if [ -a /usr/bin/python2.6 ] && [ -z "${PYTHON}" ]; then + PYTHON=/usr/bin/python2.6 +fi + +if [ "x$PYTHON" == "x" ]; then + PYTHON=/usr/bin/python +fi + +export PYTHON=${PYTHON} + +check_python_version () +{ + echo "Verifying Python version compatibility..." + majversion=`${PYTHON} -V 2>&1 | awk '{print $2}' | cut -d'.' -f1` + minversion=`${PYTHON} -V 2>&1 | awk '{print $2}' | cut -d'.' -f2` + numversion=$(( 10 * $majversion + $minversion)) + if (( $numversion < 26 )); then + echo "ERROR: Found Python version $majversion.$minversion. Ambari Metric Monitor requires Python version > 2.6" + return ${NOTOK} + fi + echo "Using python " ${PYTHON} + return ${OK} +} + +function write_pidfile +{ + local pidfile="$1" + echo $! > "${pidfile}" 2>/dev/null + if [[ $? -gt 0 ]]; then + echo "ERROR: Cannot write pid ${pidfile}." + exit 1; + fi +} + +#build psutil +if [ ! "$(ls -A ${RESOURCE_MONITORING_DIR}/psutil/build)" ]; then + echo "Building psutil..." + dir=$(pwd) + cd "${RESOURCE_MONITORING_DIR}/psutil" + ${PYTHON} "build.py" + cd "${dir}" +else + echo "psutil build directory is not empty, continuing..." +fi + +#locate config dir +while [[ -z "${_ams_configs_done}" ]]; do + case $1 in + --config) + shift + confdir=$1 + shift + if [[ -d "${confdir}" ]]; then + MONITOR_CONF_DIR="${confdir}" + elif [[ -z "${confdir}" ]]; then + echo "ERROR: No parameter provided for --config " + exit 1 + else + echo "ERROR: Cannot find configuration directory \"${confdir}\"" + exit 1 + fi + ;; + *) + _ams_configs_done=true + ;; + esac +done + +case "$1" in + + start) + check_python_version + if [ "$?" -eq "${NOTOK}" ]; then + exit -1 + fi + + echo "Checking for previously running Metric Monitor..." + if [ -f ${PIDFILE} ]; then + PID=`cat ${PIDFILE}` + if [ -z "`ps ax -o pid | grep ${PID}`" ]; then + echo "${PIDFILE} found with no process. Removing ${PID}..." + rm -f ${PIDFILE} + else + tput bold + echo "ERROR: ${METRIC_MONITOR} already running" + tput sgr0 + echo "Check ${PIDFILE} for PID." + exit -1 + fi + fi + + echo "Starting ${METRIC_MONITOR}" + + nohup ${PYTHON} ${METRIC_MONITOR_PY_SCRIPT} "$@" > ${OUTFILE} 2>&1 & + PID=$! + write_pidfile ${PIDFILE} + + sleep 2 + + echo "Verifying ${METRIC_MONITOR} process status..." + if [ -z "`ps ax -o pid | grep ${PID}`" ]; then + if [ -s ${OUTFILE} ]; then + echo "ERROR: ${METRIC_MONITOR} start failed. For more details, see ${OUTFILE}:" + echo "====================" + tail -n 10 ${OUTFILE} + echo "====================" + else + echo "ERROR: ${METRIC_MONITOR} start failed" + rm -f ${PIDFILE} + fi + echo "Monitor out at: ${OUTFILE}" + exit -1 + fi + + echo "Metric Monitor successfully started" + echo "Server log at: ${OUTFILE}" + ;; + status) + if [ -f ${PIDFILE} ]; then + PID=`cat ${PIDFILE}` + echo "Found ${METRIC_MONITOR} PID: $PID" + if [ -z "`ps ax -o pid | grep ${PID}`" ]; then + echo "${METRIC_MONITOR} not running. Stale PID File at: $PIDFILE" + retcode=2 + else + tput bold + echo "${METRIC_MONITOR} running." + tput sgr0 + echo "Monitor PID at: ${PIDFILE}" + echo "Monitor out at: ${OUTFILE}" + fi + else + tput bold + echo "${METRIC_MONITOR} currently not running" + tput sgr0 + echo "Usage: /usr/sbin/${METRIC_MONITOR} {start|stop|restart|status}" + retcode=3 + fi + ;; + stop) + pidfile=${PIDFILE} + + if [[ -f "${pidfile}" ]]; then + pid=$(cat "$pidfile") + + kill "${pid}" >/dev/null 2>&1 + sleep "${STOP_TIMEOUT}" + + if kill -0 "${pid}" > /dev/null 2>&1; then + echo "WARNING: ${METRIC_MONITOR} did not stop gracefully after ${STOP_TIMEOUT} seconds: Trying to kill with kill -9" + kill -9 "${pid}" >/dev/null 2>&1 + fi + + if ps -p "${pid}" > /dev/null 2>&1; then + echo "ERROR: Unable to kill ${pid}" + else + rm -f "${pidfile}" >/dev/null 2>&1 + fi + fi + + ;; + restart) + echo -e "Restarting ${METRIC_MONITOR}" + $0 stop + $0 start "$@" + retcode=$? + ;; +esac |