monitor/monitor-cron.sh

   1 #!/bin/bash
   2
   3 # Find project name
   4 PROJECT_NAME="${PWD%/*}"
   5 PROJECT_NAME="${PROJECT_NAME##*/}"
   6
   7 # FQFN for temporary file
   8 MONITOR_TEMP_FILE="/tmp/${PROJECT_NAME}.down"
   9
  10 # Construct FQFN for configuration file
  11 CONFIG_FILE="${HOME}/.monitor-${PROJECT_NAME}-cron.sh"
  12
  13 . "${CONFIG_FILE}"  || exit 255
  14
  15 MONITOR_OUTPUT=`lynx -dump -head "${PROJECT_URL}" -auth="${PROJECT_USER}:${PROJECT_PASSWORD}" | head -n 1`
  16
  17 if [ "${MONITOR_OUTPUT}" != "HTTP/1.1 200 OK" ]
  18 then
  19         if [ ! -f "${MONITOR_TEMP_FILE}" ]
  20         then
  21                 echo "$0: ${PROJECT_NAME} is DOWN, status: '${MONITOR_OUTPUT}'"
  22                 echo "${MONITOR_OUTPUT}" > ${MONITOR_TEMP_FILE}
  23                 exit 1
  24         fi
  25 elif [ -f "${MONITOR_TEMP_FILE}" ]
  26 then
  27         PREVIOUS_STATUS=`cat "${MONITOR_TEMP_FILE}"`
  28         echo "$0: ${PROJECT_NAME} is UP again, old status was: '${PREVIOUS_STATUS}'"
  29         rm -f "${MONITOR_TEMP_FILE}"
  30 fi
  31
  32 # All fine
  33 exit 0