Added the EOS wfe script delete_archive_file

eos_wfe_scripts/delete_archive_file

+#!/bin/bash
+
+export XrdSecPROTOCOL=sss
+export XrdSecSSSKT=/etc/cta/cta-cli.sss.keytab
+
+if test $# -ne 5; then
+  echo "Wrong number of command-line arguments"
+  echo "Usage: delete_archive_file wf_tag rusername rgroupname archive_file_id file_path"
+  exit -1
+fi
+
+WF_TAG="$1"
+RUSERNAME="$2"
+RGROUPNAME="$3"
+ARCHIVE_FILE_ID="$4"
+FILE_PATH="$5"
+
+LOG_FILE="/var/log/eos/wfe/${WF_TAG}.log"
+
+if test UNDEF = ${ARCHIVE_FILE_ID}; then
+  echo `date +%s` `date`" $0 Ignoring deletion of non-existent tape archive file: rusername=${RUSERNAME} rgroupname=${RGROUPNAME} archiveFileId=${ARCHIVE_FILE_ID} path=${FILE_PATH}" >> ${LOG_FILE}
+  exit 0
+fi
+
+if RESULT=`2>&1 /usr/bin/cta deletearchive --user ${RUSERNAME} --group ${RGROUPNAME} --id ${ARCHIVE_FILE_ID}`; then
+  echo `date +%s` `date`" $0 Deleted tape archive file: rusername=${RUSERNAME} rgroupname=${RGROUPNAME} archiveFileId=${ARCHIVE_FILE_ID} path=${FILE_PATH}" >> ${LOG_FILE}
+  exit 0
+else
+  echo `date +%s` `date`" $0 Failed to delete tape archive file: error=${RESULT} rusername=${RUSERNAME} rgroupname=${RGROUPNAME} archiveFileId=${ARCHIVE_FILE_ID} path=${FILE_PATH}" >> ${LOG_FILE}
+  exit 1
+fi