#!/bin/bash 

. /opt/run/bin/init_pod.sh

# oracle sqlplus client binary path
ORACLE_SQLPLUS="/usr/bin/sqlplus64"

if [ ! -e /etc/buildtreeRunner ]; then
  # enable cta repository from previously built artifacts
  yum-config-manager --enable cta-artifacts
  yum-config-manager --enable ceph

  # install needed packages
  yum -y install cta-objectstore-tools cta-doc mt-st mtx lsscsi sg3_utils cta-catalogueutils ceph-common oracle-instantclient-sqlplus
  yum clean packages
fi

echo "Using this configuration for library:"
/opt/run/bin/init_library.sh
cat /tmp/library-rc.sh
. /tmp/library-rc.sh

echo "Configuring objectstore:"
/opt/run/bin/init_objectstore.sh
. /tmp/objectstore-rc.sh

if [ "$KEEP_OBJECTSTORE" == "0" ]; then
  echo "Wiping objectstore"
  if [ "$OBJECTSTORETYPE" == "file" ]; then
    rm -fr $OBJECTSTOREURL
    mkdir -p $OBJECTSTOREURL
    cta-objectstore-initialize $OBJECTSTOREURL
    chmod -R 777 $OBJECTSTOREURL
  else
    if [[ $(rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls | wc -l) -gt 0 ]]; then
      echo "Rados objectstore ${OBJECTSTOREURL} is not empty: deleting content"
      rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls | xargs -L 100 -P 100 rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE rm 
    fi
    cta-objectstore-initialize $OBJECTSTOREURL
    echo "Rados objectstore ${OBJECTSTOREURL} content:"
    rados -p $OBJECTSTOREPOOL --id $OBJECTSTOREID --namespace $OBJECTSTORENAMESPACE ls
  fi
else
  echo "Reusing objectstore (no check)"
fi


echo "Configuring database:"
/opt/run/bin/init_database.sh
. /tmp/database-rc.sh
echo ${DATABASEURL} >/etc/cta/cta-catalogue.conf

if [ "$KEEP_DATABASE" == "0" ]; then
  echo "Wiping database"
  echo yes | cta-catalogue-schema-drop /etc/cta/cta-catalogue.conf

  if [ "$DATABASETYPE" == "sqlite" ]; then
    mkdir -p $(dirname $(echo ${DATABASEURL} | cut -d: -f2))
    cta-catalogue-schema-create /etc/cta/cta-catalogue.conf
    chmod -R 777 $(dirname $(echo ${DATABASEURL} | cut -d: -f2)) # needed?
  else
    # Oracle DB
    echo "Purging Oracle recycle bin"
    test -f ${ORACLE_SQLPLUS} || echo "ERROR: ORACLE SQLPLUS client is not present, cannot purge recycle bin: ${ORACLE_SQLPLUS}"
    LD_LIBRARY_PATH=$(readlink ${ORACLE_SQLPLUS} | sed -e 's;/bin/[^/]\+;/lib;') ${ORACLE_SQLPLUS} $(echo $DATABASEURL | sed -e 's/oracle://') @/opt/ci/init/purge_recyclebin.ext
    cta-catalogue-schema-create /etc/cta/cta-catalogue.conf
  fi
else
  echo "Reusing database (no check)"
fi



if [ ! $LIBRARYTYPE == "mhvtl" ]; then
  echo "Real tapes, not labelling";
else
  # library management
  # BEWARE STORAGE SLOTS START @1 and DRIVE SLOTS START @0!!
  # Emptying drives and move tapes to home slots
  echo "Unloading tapes that could be remaining in the drives from previous runs"
  mtx -f /dev/${LIBRARYDEVICE} status
  for unload in $(mtx -f /dev/${LIBRARYDEVICE}  status | grep '^Data Transfer Element' | grep -vi ':empty' | sed -e 's/Data Transfer Element /drive/;s/:.*Storage Element /-slot/;s/ .*//'); do
    # normally, there is no need to rewind with virtual tapes...
    mtx -f /dev/${LIBRARYDEVICE} unload $(echo ${unload} | sed -e 's/^.*-slot//') $(echo ${unload} | sed -e 's/drive//;s/-.*//') || echo "COULD NOT UNLOAD TAPE"
  done
  echo "Labelling tapes using the first drive in ${LIBRARYNAME}: ${DRIVENAMES[${driveslot}]} on /dev/${DRIVEDEVICES[${driveslot}]}:"
  for ((i=0; i<${#TAPES[@]}; i++)); do
    vid=${TAPES[${i}]}
    tapeslot=$((${i}+1)) # tape slot is 1 for tape[0] and so on...

    echo -n "${vid} in slot ${tapeslot} "
    mtx -f /dev/${LIBRARYDEVICE} load ${tapeslot} ${driveslot}
    cd /tmp
      echo "VOL1${vid}                           CASTOR                                    3">label.file
      mt -f /dev/${DRIVEDEVICES[${driveslot}]} rewind
      dd if=label.file of=/dev/${DRIVEDEVICES[${driveslot}]} bs=80 count=1
      mt -f /dev/${DRIVEDEVICES[${driveslot}]} rewind
    mtx -f /dev/${LIBRARYDEVICE} unload ${tapeslot} ${driveslot}
    echo "OK"
  done
fi

echo "### INIT COMPLETED ###"