Scriped called by Dynafed when storage backend does not support Want-Digest header

ugrextchecksum.sh

#!/bin/bash
# Input arguments:
# $1 Signed GET URL
# $2 Checksum Type (md5, adler32, ...)
#
# Output:
# Should stdout with the format (no quotations):
# ">>>>> HASH 123124\n"

# we are going to use some storage stats toolage
source /opt/storage_stats/bin/activate

URL="$1"
HASH_TYPE=$(echo "$2" | tr '[:upper:]' '[:lower:]')
STORAGE="$(sed 's:^.*//::' <<< "$URL" | sed 's:/.*$::')"
ENDPOINT="$(grep -r $STORAGE /etc/ugr/ | awk '{print $3}')"

DIGEST="$(dynafed-storage checksums get --loglevel INFO --logfile /var/log/checksums.log -e $ENDPOINT -u $URL -t $HASH_TYPE)"

if [[ "$DIGEST" != "None" ]]
then
    printf ">>>>> HASH %s\n" "${DIGEST}"
    exit 0
fi


case $HASH_TYPE in
  adler32 | md5 )
    DIGEST=$(curl --silent -k -XPOST "http://dynafed-checksum-util.cern.ch/${HASH_TYPE}" --data-urlencode url="$URL")
    DIGEST=$(echo "$DIGEST" | tr -cd '[:alnum:]')
    dynafed-storage checksums put --loglevel INFO --logfile /var/log/checksums.log -e "$ENDPOINT" -u "$URL" -t "$HASH_TYPE" --checksum "$DIGEST"
    printf ">>>>> HASH %s\n" "${DIGEST}"
    ;;
  *)
    echo "Hash type not implemented: $HASH_TYPE"
    ;;

esac

exit 0