#! /bin/bash
#
# Bug #16098: univention-directory-listener cache scheint auf Master nicht aktualisiert zu werden
#

# Debug Listener Modul installieren:
cat >/usr/lib/univention-directory-listener/system/debug.py <<EOF
from univention.debug import *

name='debug'
description='Debug Listener'
filter='(&(objectClass=*)(uid=User*))'
attributes=[]

def initialize():
	pass

def handler(dn, new, old):
	if old:
		if new: change='modify'
		else: change='delete'
	else:
		if new: change='new'
		else: change='error'
	debug(LISTENER, ERROR, 'DEBUG(%s): old: %s %s' % (change, old.get('entryDN',''), old.get('description','')))
	debug(LISTENER, ERROR, 'DEBUG(%s): new: %s %s' % (change, new.get('entryDN',''), new.get('description','')))
EOF

eval $(ucr shell ldap/base)

MSG() {
	case "$1" in
		ERR) tput setaf 1 2>/dev/null ;;
		OK) tput setaf 2 2>/dev/null ;;
		*) tput setaf 4 2>/dev/null ;;
	esac
	echo "$@"
	tput op 2>/dev/null
}

settleChange() {
	sleep 10 # ldap -> notifier -> listener delay
}

countDN() { # regex count
	local c
	c=$( univention-directory-listener-dump | grep -ci ^"dn: $1" || true)
	if [ $c -ne $2 ]
	then
		MSG ERR countDN "$@" "<>" $c
		exit 1
	else
		MSG OK countDN "$@"
	fi
}

grepLog() {
	if grep DEBUG /var/log/univention/listener.log | tail -n 2 | grep -q "$@"
	then
		MSG OK grepLog "$@"
	else
		MSG ERR grepLog "$@"
		exit 1
	fi
}

startListener() {
	/etc/init.d/univention-directory-listener start
	sleep 3
}

stopListener() {
	local i
	/etc/init.d/univention-directory-listener stop & # hangs after SEGV
	for ((i=0;i<10;i=i+1))
	do
		sleep 1
		pidof univention-directory-listener &>/dev/null || return 0
	done
	fuser -k /usr/sbin/univention-directory-listener &>/dev/null || true
}

cleanup() {
	set +e
	read
	udm users/user remove --dn "uid=User1,cn=users,$ldap_base"
	udm users/user remove --dn "uid=User2,cn=users,$ldap_base"
	udm users/user remove --dn "uid=User3,cn=users,$ldap_base"
	if grep -q User[123] /var/lib/univention-directory-listener/cache.db
	then
		/usr/sbin/univention-directory-listener -F -b "$ldap_base" -m /usr/lib/univention-directory-listener/system -c /var/lib/univention-directory-listener -d 2 -x -ZZ -D cn=admin,$ldap_base -y /etc/ldap.secret -g &
		local pid=$!
		sleep 45
		kill $pid
	else
		univention-directory-listener-ctrl resync debug
	fi
}
cleanup || true
trap cleanup EXIT

#set -x
set -e

MSG listener aus UCS 2.2-0 installieren:
stopListener
apt-get -y --force-yes install univention-directory-listener=3.0.2-2.48.200902190935
startListener

MSG Test User[123] anlegen
udm users/user create --position "cn=users,$ldap_base" --set username=User1 --set description=Test0 --set password=univention --set lastname=Univention
udm users/user create --position "cn=users,$ldap_base" --set username=User2 --set description=Test0 --set password=univention --set lastname=Univention
udm users/user create --position "cn=users,$ldap_base" --set username=User3 --set description=Test0 --set password=univention --set lastname=Univention
settleChange

# Cache-Check
stopListener
countDN uid=User1 1
countDN uid=User2 1
countDN uid=User3 1


MSG listener aus UCS 2.3-0 installieren:
apt-get -y --force-yes install univention-directory-listener=4.0.2-1.60.200911241641
startListener


MSG Description am User1 ändern
udm users/user modify --dn "uid=User1,cn=users,$ldap_base" --set description=Test1
settleChange

# Cache-Check: zwei Einträge
stopListener
countDN uid=User1 2
startListener

MSG Erneut Description am User1 ändern
udm users/user modify --dn "uid=User1,cn=users,$ldap_base" --set description=Test2
settleChange
# Check /var/log/univention/listener.log:
# - Die Änderung sollte in 'old' als description 'Test1' und nicht 'Test0' zeigen
grepLog 'old:.*User1.*Test0'


MSG listener aus UCS 2.3-1 installieren:
stopListener
apt-get -y --force-yes install univention-directory-listener
startListener

MSG Erneut Description am User1 ändern
udm users/user modify --dn "uid=User1,cn=users,$ldap_base" --set description=Test3
settleChange
# Check /var/log/univention/listener.log:
# - Die Änderung sollte nun in 'old' als description 'Test2' und nicht 'Test0' zeigen
grepLog 'old:.*User1.*Test2'

MSG User[123] löschen
udm users/user remove --dn "uid=User1,cn=users,$ldap_base"
udm users/user remove --dn "uid=User2,cn=users,$ldap_base"
udm users/user modify --dn "uid=User3,cn=users,$ldap_base" --set description=Test3
udm users/user remove --dn "uid=User3,cn=users,$ldap_base"
settleChange

# Cache-Check: ein Eintrag
stopListener
countDN uid=User1 1 # FIXME 0
countDN uid=User2 0
countDN uid=User3 1 # FIXME 0

MSG User[23] nochmal anlegen
startListener
udm users/user create --position "cn=users,$ldap_base" --set username=User2 --set description=Test2 --set password=univention --set lastname=Univention
udm users/user create --position "cn=users,$ldap_base" --set username=User3 --set description=Test3 --set password=univention --set lastname=Univention
settleChange
stopListener
countDN uid=User2 1
countDN uid=User3 2 # FIXME 1

MSG User[23] endgültig löschen
startListener
udm users/user remove --dn "uid=User2,cn=users,$ldap_base"
udm users/user remove --dn "uid=User3,cn=users,$ldap_base"
settleChange
stopListener
countDN uid=User1 0
countDN uid=User2 0
countDN uid=User3 0

MSG Ende
startListener

exit 0
# vim:set ft=sh: