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#!/bin/bash
GS3_BRANCH=${GS3_BRANCH:-"GEOD-GS0"}
GS3_BUILD=${GS3_BUILD:-"latestSuccessful"}
# Slack token for notifications
SLACK_TOKEN=**Get from other script** 
SLACK_CHANNEL="isda-software"
# change to folder where script is installed
cd /home/clowder

# fetch software
if [[ ${GS3_BUILD} == latest* ]]; then

   BB="${GS3_BRANCH}/${GS3_BUILD}"

else
   BB="${GS3_BRANCH}-${GS3_BUILD}"

fi
URL="https://opensource.ncsa.illinois.edu/bamboo/browse/${BB}/artifact/shared/dist/"
/usr/bin/wget -q -e robots=off -A "geostreams-*.zip" -nd -r -N -l1 ${URL}

LATEST=$( /bin/ls -1rt geostreams-*.zip | tail -1 )

if [ -s ${LATEST} ]; then

  if [ "$1" == "--force" -o ${LATEST} -nt geostreams ]; then

    exec 3>&1

    exec &> "/tmp/$$.txt"

    echo "UPDATING GEOSTREAMING API v3 on ${HOSTNAME}"

    echo " bamboo branch = ${GS3_BRANCH}"

    echo " bamboo build = ${GS3_BUILD}"

    # stop geostreams

    /usr/sbin/service geostreams stop

   # Save local modifications

   if [ -d geo-temporal-api-v3/custom ]; then

        mv geo-temporal-api-v3/custom geo-temporal-api-v3.custom

   fi

   if [ -d geo-temporal-api-v3/logs ]; then

        mv geo-temporal-api-v3/logs geo-temporal-api-v3.logs

   fi

   # install new version

   /bin/rm -rf geo-temporal-api-v3 $( basename ${LATEST} .zip)

   /usr/bin/unzip -q ${LATEST}

   /bin/mv -v $( basename ${LATEST} .zip) geo-temporal-api-v3

   /usr/bin/touch geo-temporal-api-v3

  
   # restore local modifications

   if [ -d geo-temporal-api-v3.custom ]; then

        mv geo-temporal-api-v3.custom geo-temporal-api-v3/custom

   fi

   if [ -d geo-temporal-api-v3.logs ]; then

        mv geo-temporal-api-v3.logs geo-temporal-api-v3/logs

   fi

   if [ -f geo-temporal-api-v3/custom/messages.en ] &&[ -d geo-temporal-api-v3/conf ]; then

        /bin/cp -f geo-temporal-api-v3/custom/messages.en geo-temporal-api-v3/conf

   fi

   # change permissions

   /bin/chown -R clowder geo-temporal-api-v3

   # start geostreams again

   /usr/sbin/service geostreams start

  # Send message to slack

   if [ "${SLACK_TOKEN}" != "" -a "${SLACK_CHANNEL}" != "" ]; then

      url="https://hooks.slack.com/services/${SLACK_TOKEN}"

      txt=$(cat /tmp/$$.txt | sed 's/"/\\"/g;s/$/\\/g' | tr '\n' 'n' )

      payload="payload={\"channel\": \"${SLACK_CHANNEL}\", \"username\": \"geostreams\", \"text\": \"${txt}\", \"icon_url\": \"https://opensource.ncsa.illinois.edu/projects/artifacts/GEOD/logo.png\"}"

      result=$(curl -s -X POST --data-urlencode "${payload}" $url)

   fi

   if [ "${STDOUT}" != "" ]; then

      cat /tmp/$$.txt >&3

   fi

    rm /tmp/$$.txt

  fi

fi