#!/bin/bash                                                                               
#
# gengrps - script to assist with the generation of LDIF files for
#           populating class LDAP groups
#
# If run by itself, all LDIF definitions will be displayed to STDOUT.
# Ideal method of production execution:
#
#       gengrps | ldapmodify -x -W -D "cn=admin,dc=lair,dc=bits"
#
ATTNDPATH="/home/wedge/local/attendance/etc/list"
semester="`/usr/local/bin/semester.sh`"
LDAPINFO="dc=lair,dc=bits"

for group in `/bin/ls -1A ${ATTNDPATH}/class.${semester}.* | cut -d'.' -f3`; do
    grouplst="$grouplst $group"
done

for grp in $grouplst; do
    if [ "$grp" = "hpc1" ]; then
        echo "dn: cn=hpc,ou=groups,${LDAPINFO}"
    elif [ "$grp" = "hpc2" ]; then
        echo "dn: cn=hpc,ou=groups,${LDAPINFO}"
    else
        echo "dn: cn=${grp},ou=groups,${LDAPINFO}"
    fi  

    echo "changetype: modify"
    echo "add: memberUid"

    for student in `grep -v '^[A-Z]' ${ATTNDPATH}/class.${semester}.${grp}.*`; do
        echo "memberUid: ${student}"
    done
    echo
done

for student in `cat ${ATTNDPATH}/class.${semester}.* | grep '^[^A-Z]' | sort -u`; do
    echo "dn: cn=${student},ou=groups,${LDAPINFO}"
    echo "changetype: modify"
    echo "add: memberUid"
    echo "memberUid: wedge"
    echo
done

exit 0