#!/bin/sh

tmp=$(mktemp -p /tmp -d memberaliases.XXXXXXXXXX)

cd "$tmp" || exit 1

nsca_client_name='{{grains.id}}'

nsca_client_service='openSUSE virtual_users'

nsca_server_ip='192.168.47.7'

nsca_config='/etc/send_nsca.cfg'

#status_code=3

#status_message='unknown'

send_nsca_message(){

	local status_code="$1"

	local status_message="$2"

	echo -e "$nsca_client_name\t$nsca_client_service\t$status_code\t$status_message" | send_nsca -H $nsca_server_ip -c "$nsca_config"

}

mysql -h proxy.infra.opensuse.org -P3307 -Dmembers -NB -e 'select addr, email_target from email_aliases' >member.aliases.new

# need to make sure it is ordered

LC_ALL=C sort -d -k1 member.aliases.new >member.aliases.ordered

added=$(diff -B -b /etc/postfix/virtual-opensuse-users member.aliases.ordered | grep ^\> | wc -l)

removed=$(diff -B -b /etc/postfix/virtual-opensuse-users member.aliases.ordered | grep ^\< | wc -l)

total=$(wc -l 

# if too many would be removed, something's probably wrong.

if test $removed -gt 20

then

        printf "New member-aliases list (%u entries) would remove %u aliases ?\n" $total $removed

	send_nsca_message "1" "New member-aliases list ($total entries)  would remove $removed aliases | total=$total; added=$added; removed=$removed;"

	# tidy up

	rm -Rf "$tmp"

        exit 1

fi

# if we had any changes, update our alias list

if test $added -gt 0 -o $removed -gt 0

then

        printf "virtual-opensuse-users updated: %u additions, %u removals, now %u entries\n" $added $removed $total

        send_nsca_message "0" "virtual-opensuse-users updated: $added additions, $removed removals, now $total entries | total=$total; added=$added; removed=$removed;"

	# debug

	diff -B -b /etc/postfix/virtual-opensuse-users member.aliases.ordered

	mv member.aliases.ordered /etc/postfix/virtual-opensuse-users

        postmap /etc/postfix/virtual-opensuse-users

        postfix reload

else

#        printf "virtual-opensuse-users not updated, no changes found.\n"

        send_nsca_message "0" "virtual-opensuse-users not updated, no changes found | total=$total; added=$added; removed=$removed;" >/dev/null

fi

# tidy up

rm -Rf "$tmp"