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#!/bin/bash
# ============LICENSE_START=======================================================
# ONAP
# ================================================================================
# Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed 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 language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
source ${POLICY_HOME}/etc/profile.d/env.sh
function usage() {
echo -n "syntax: $(basename $0) "
echo "[--debug]"
}
function log() {
echo "$(date +"%Y-%m-%d_%H-%M-%S") $1" >> ${POLICY_HOME}/logs/monitor.log
}
function monitor() {
if [[ $DEBUG == y ]]; then
echo "-- ${FUNCNAME[0]} --"
set -x
fi
CONTROLLER=$1
STATUS=$2
if [[ -z ${CONTROLLER} ]]; then
log "WARNING: invalid invocation: no component provided"
return
fi
if [[ -z ${STATUS} ]]; then
log "WARNING: invalid invocation: no on/off/uninstalled switch provided for ${CONTROLLER}"
return
fi
if [[ "${STATUS}" == "off" ]]; then
off ${CONTROLLER}
else
if [[ "${STATUS}" == "on" ]]; then
on ${CONTROLLER}
fi
fi
}
function on() {
if [[ $DEBUG == y ]]; then
echo "-- ${FUNCNAME[0]} --"
set -x
fi
CONTROLLER=$1
${POLICY_HOME}/bin/${CONTROLLER} status
if [[ $? != 0 ]]; then
log "starting ${CONTROLLER}"
# need to make sure we don't pass the lock file descriptor
${POLICY_HOME}/bin/${CONTROLLER} umstart {cfg}>&-
else
log "OK: ${CONTROLLER} (UP)"
fi
}
function off() {
if [[ $DEBUG == y ]]; then
echo "-- ${FUNCNAME[0]} --"
set -x
fi
CONTROLLER=$1
${POLICY_HOME}/bin/${CONTROLLER} status
if [[ $? != 0 ]]; then
log "OK: ${CONTROLLER} (DOWN)"
else
log "stopping ${CONTROLLER}"
${POLICY_HOME}/bin/${CONTROLLER} umstop
fi
}
function process_config() {
if [[ $DEBUG == y ]]; then
echo "-- ${FUNCNAME[0]} --"
set -x
fi
CONF_FILE=${POLICY_HOME}/etc/monitor/monitor.cfg
while read line || [ -n "${line}" ]; do
if [[ -n ${line} ]] && [[ ${line} != *#* ]]; then
controller=$(echo "${line}" | awk -F = '{print $1;}')
status=$(echo "${line}" | awk -F = '{print $2;}')
if [[ -n ${controller} ]] && [[ -n ${status} ]]; then
monitor ${controller} ${status}
fi
fi
done < "${CONF_FILE}"
return 0
}
log "Enter monitor"
DEBUG=n
until [[ -z "$1" ]]; do
case $1 in
-d|--debug|debug) DEBUG=y
set -x
;;
*) usage
exit 1
;;
esac
shift
done
if pidof -o %PPID -x $(basename $0) > /dev/null 2>&1; then
log "WARNING: $(basename $0) from the previous iteration still running. Exiting."
exit 1
fi
. ${POLICY_HOME}/etc/profile.d/env.sh
if flock ${cfg} ; then
process_config
fi {cfg}>>${POLICY_HOME}/etc/monitor/monitor.cfg.lock
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