Purging Oracle DB recycle bin in init, otherwise CI DB size explodes because...

Purging Oracle DB recycle bin in init, otherwise CI DB size explodes because of the recycle bin content.

continuousintegration/docker/ctafrontend/cc7/config/init/purge_recyclebin.ext

+select * from user_ts_quotas;
+SELECT * FROM RECYCLEBIN;
+SELECT * FROM USER_RECYCLEBIN;
+purge recyclebin;
+quit;

continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh

@@ -2,12 +2,15 @@
 
 . /opt/run/bin/init_pod.sh
 
+# oracle sqlplus client binary path
+ORACLE_SQLPLUS="/usr/bin/sqlplus64"
+
 # 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
+yum -y install cta-objectstore-tools cta-doc mt-st mtx lsscsi sg3_utils cta-catalogueutils ceph-common oracle-instantclient-sqlplus
 yum clean packages
 
 echo "Using this configuration for library:"
@@ -54,6 +57,10 @@ if [ "$KEEP_DATABASE" == "0" ]; then
     cta-catalogue-schema-create /etc/cta/cta_catalogue_db.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_db.conf
   fi
 else