packages/base/src/files/bin/monitor.sh

   1 ###
   2 # ============LICENSE_START=======================================================
   3 # ONAP Policy Engine
   4 # ================================================================================
   5 # Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   6 # ================================================================================
   7 # Licensed under the Apache License, Version 2.0 (the "License");
   8 # you may not use this file except in compliance with the License.
   9 # You may obtain a copy of the License at
  10 #
  11 #      http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS,
  15 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 # See the License for the specific language governing permissions and
  17 # limitations under the License.
  18 # ============LICENSE_END=========================================================
  19 ###
  20
  21 #!/bin/bash
  22
  23 function usage() {
  24         echo -n "syntax: $(basename $0) "
  25         echo "[--debug]"
  26 }
  27
  28 function log() {
  29         echo "$(date +"%Y-%m-%d_%H-%M-%S") $1" >> ${POLICY_LOGS}/policy/monitor.log
  30 }
  31
  32 function monitor() {
  33         if [[ $DEBUG == y ]]; then
  34                 echo "-- ${FUNCNAME[0]} --"
  35                 set -x
  36         fi
  37
  38         COMPONENT=$1
  39         STATUS=$2
  40
  41         if [[ -z ${COMPONENT} ]]; then
  42                 log "WARNING: invalid invocation: no component provided"
  43                 return
  44         fi
  45
  46         if [[ -z ${STATUS} ]]; then
  47                 log "WARNING: invalid invocation: no on/off/uninstalled switch provided for ${COMPONENT}"
  48                 return
  49         fi
  50
  51         if [[ "${STATUS}" == "off" ]]; then
  52                 off ${COMPONENT}
  53         else
  54                 if [[ "${STATUS}" == "on" ]]; then
  55                         on ${COMPONENT}
  56                 fi
  57         fi
  58 }
  59
  60 function on() {
  61         if [[ $DEBUG == y ]]; then
  62                 echo "-- ${FUNCNAME[0]} --"
  63                 set -x
  64         fi
  65
  66         COMPONENT=$1
  67
  68         ${POLICY_HOME}/etc/init.d/${COMPONENT} status
  69         if [[ $? != 0 ]]; then
  70                 log "starting ${COMPONENT}"
  71
  72                 ${POLICY_HOME}/etc/init.d/${COMPONENT} umstart
  73         else
  74                 log "OK: ${COMPONENT} (UP)"
  75         fi
  76 }
  77
  78 function off() {
  79         if [[ $DEBUG == y ]]; then
  80                 echo "-- ${FUNCNAME[0]} --"
  81                 set -x
  82         fi
  83
  84         COMPONENT=$1
  85
  86         ${POLICY_HOME}/etc/init.d/${COMPONENT} status
  87         if [[ $? != 0 ]]; then
  88                 log "OK: ${COMPONENT} (DOWN)"
  89
  90         else
  91                 log "stopping ${COMPONENT}"
  92                 ${POLICY_HOME}/etc/init.d/${COMPONENT} umstop
  93         fi
  94 }
  95
  96 function config() {
  97         if [[ $DEBUG == y ]]; then
  98                 echo "-- ${FUNCNAME[0]} --"
  99                 set -x
 100         fi
 101
 102         CONF_FILE=${POLICY_HOME}/etc/monitor/monitor.cfg
 103         while read line || [ -n "${line}" ]; do
 104         if [[ -n ${line} ]] && [[ ${line} != *#* ]]; then
 105                 component=$(echo "${line}" | awk -F = '{print $1;}')
 106                 status=$(echo "${line}" | awk -F = '{print $2;}')
 107                         if [[ -n ${component} ]] && [[ -n ${status} ]]; then
 108                         monitor ${component} ${status}
 109                 fi
 110         fi
 111         done < "${CONF_FILE}"
 112         return 0
 113 }
 114
 115 log "Enter monitor"
 116
 117 DEBUG=n
 118 until [[ -z "$1" ]]; do
 119         case $1 in
 120                 -d|--debug|debug)       DEBUG=y
 121                                                         set -x
 122                                                         ;;
 123                 *)                                      usage
 124                                                         exit 1
 125                                                         ;;
 126         esac
 127         shift
 128 done
 129
 130 if pidof -o %PPID -x $(basename $0) > /dev/null 2>&1; then
 131         log "WARNING: $(basename $0) from the previous iteration still running.  Exiting."
 132         exit 1
 133 fi
 134
 135 . ${POLICY_HOME}/etc/profile.d/env.sh
 136
 137
 138 config
 139