authlinks-delete

#!/usr/bin/bash
auth 2>/dev/null || authn 2>/dev/null
tenant=$(cat tenant)
okapi_url=$(cat okapi.url)
okapi_token=$(cat okapi.token)

SECONDS=1
TIMER=1
counter=0
batchsize=10

instance_uuid="${1//[^0-9a-f\-]}" 
deletedata='{ "links": [] }' 
deletefile="delete"
delete_log="delete.log"

rm -f ${delete_log} tmp_deleteauthlinks.*

if [[ ${instance_uuid} =~ ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$ ]];then echo ${instance_uuid} > ${deletefile}; fi

numrecs=$(wc -l ${deletefile} |cut -d " " -f1)

deletelinks() {

	local instance_uuid=${1}
	local seq=${2}
	local apicall 

	apicall=$(curl -s -w '\n' -X PUT -H "Content-type: application/json" -H "X-Okapi-Tenant: ${tenant}" -H "x-okapi-token: ${okapi_token}" -d "${deletedata}" "${okapi_url}/links/instances/${instance_uuid}") 

	echo "${apicall}" >> "tmp_deleteauthlinks.${seq}"
}

while mapfile -t -n ${batchsize} uuids && ((${#uuids[@]})); do
	seq=0

	for uuid in "${uuids[@]}";do
		deletelinks ${uuid} ${seq} &
		counter=$(($counter + 1))
		seq=$(($seq + 1))
	done
	wait

	if [[ $SECONDS -gt 500 ]]; then
		auth 2>/dev/null || authn 2>/dev/null
		okapi_token=$(cat okapi.token)
		SECONDS=1
		OFFSET=$(($OFFSET + 1))
		TIMER=$(($OFFSET * 500 + $SECONDS))
	else
		if [[ $OFFSET -eq 0 ]];then TIMER=$SECONDS;fi
	fi	

	if [[ $TIMER -gt 60 ]];then TIME=$(($TIMER/60));msg="$TIME minutes";fi
	if [[ $TIMER -gt 3600 ]];then TIME=$(($TIMER/3600));msg="$TIME hours";fi
	echo -en "Processing record $counter of $numrecs in $msg in $(($counter/$TIMER)) recs/sec          \r"

	cat tmp_deleteauthlinks.* >> ${delete_log}
	rm tmp_deleteauthlinks.*

done < ${deletefile}

echo "Done removing authority links for $counter records. See ${delete_log} for details."