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#!/usr/bin/env ash
# ============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 "-- monitor --"
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 "-- on --"
set -x
fi
CONTROLLER=$1
${POLICY_HOME}/bin/${CONTROLLER} status
if [ $? -ne 0 ]; then
log "starting ${CONTROLLER}"
# need to make sure we don't pass the lock file descriptor
${POLICY_HOME}/bin/${CONTROLLER} umstart 200>&-
else
log "OK: ${CONTROLLER} (UP)"
fi
}
function off() {
if [ "$DEBUG" = "y" ]; then
echo "-- off --"
set -x
fi
CONTROLLER=$1
${POLICY_HOME}/bin/${CONTROLLER} status
if [ $? -ne 0 ]; then
log "OK: ${CONTROLLER} (DOWN)"
else
log "stopping ${CONTROLLER}"
${POLICY_HOME}/bin/${CONTROLLER} umstop
fi
}
function process_config() {
if [ "$DEBUG" = "y" ]; then
echo "-- process_config --"
set -x
fi
local lines=$(grep "^[^#;]" ${CON_FILE} 2> /dev/null)
for line in ${lines} ; do
controller=$(echo "${line}" | awk -F = '{print $1;}')
status=$(echo "${line}" | awk -F = '{print $2;}')
if [ -n "${controller}" ] && [ -n "${status}" ]; then
monitor ${controller} ${status}
fi
done
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 $0) from the previous iteration still running. Exiting."
exit 1
fi
CONF_FILE=${POLICY_HOME}/etc/monitor/monitor.cfg
. ${POLICY_HOME}/etc/profile.d/env.sh
if flock 200 ; then
process_config
fi 200>>${CONF_FILE}.lock
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