maas 0.1+bzr482+dfsg-0ubuntu1 / postinst

#!/bin/sh -e

. /usr/share/debconf/confmodule
db_version 2.0

if [ -f /usr/share/dbconfig-common/dpkg/postinst.pgsql ]; then
	. /usr/share/dbconfig-common/dpkg/postinst.pgsql
fi

maas_sync_migrate_db(){
	maas syncdb --noinput
	maas migrate maasserver --noinput
	maas migrate metadataserver --noinput
}

restart_apache2(){
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d apache2 restart || true
	else
		/etc/init.d/apache2 restart || true
	fi
}

restart_rabbitmq(){
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d rabbitmq-server restart || true
	else
		/etc/init.d/rabbitmq-server restart || true
	fi
}

restart_postgresql(){
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d --force postgresql restart || true
	else
		/etc/init.d/postgresql restart || true
	fi
}

restart_cobbler(){
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d cobbler restart || true
	else
		/etc/init.d/cobbler restart || true
	fi
}

add_user_group(){
	local user="maas"
	local group="maas"
	if ! getent group "$group" >/dev/null; then
		addgroup --quiet --system "$group" || true
	fi
	if ! getent passwd "$user" > /dev/null 2>&1; then
		adduser --quiet \
                    --system \
                    --group \
                    --no-create-home \
                    "$user" || true
	fi
}

configure_maas_cobbler_user() {
	# Create 'maas' user and password to autoconfigure
	local cblr_pass=
	local hash=
	cblr_pass="$(pwgen -s 20)"
	hash=$(printf "maas:Cobbler:$cblr_pass" | md5sum | awk '{print $1}')
	[ -e /etc/cobbler/users.digest ] || install -o root -g root -m 0600 /dev/null /etc/cobbler/users.digest
	htpasswd -D /etc/cobbler/users.digest "maas" || true
	printf "maas:Cobbler:$hash\n" >> /etc/cobbler/users.digest

	if grep -qs "^\ \{1,\}password:.*$" /etc/maas/pserv.yaml; then
		sed -i "s/^\ \{1,\}password:.*$/  password: \""$cblr_pass"\"/" /etc/maas/pserv.yaml
	fi
}

configure_maas_pserv_user() {
	local pserv_pass=
	pserv_pass="$(pwgen -s 20)"
	if grep -qs "^password: \".*\"$" /etc/maas/pserv.yaml; then
		sed -i '/^password:/s/".*"$/"'"${pserv_pass}"'"/' /etc/maas/pserv.yaml
	fi
	if grep -qs "^PSERV_URL\ =\ " /etc/maas/maas_local_settings.py; then
		sed -i '/^PSERV_URL[ =]/s/maas:.*@/'"maas:${pserv_pass}"'@/' /etc/maas/maas_local_settings.py
	fi
}

configure_maas_txlongpoll_rabbitmq_user() {
	local longpoll_user="maas_longpoll"
	local longpoll_pass=
	local longpoll_vhost="/maas_longpoll"
	longpoll_pass="$(pwgen -s 20)"
	if [ -x /usr/sbin/rabbitmqctl ]; then
		if ! rabbitmqctl list_users | grep -qs "$longpoll_user"; then
			rabbitmqctl add_user "$longpoll_user" "$longpoll_pass" || true
			rabbitmqctl add_vhost "$longpoll_vhost" || true
			rabbitmqctl set_permissions -p "$longpoll_vhost" "$longpoll_user" ".*" ".*" ".*" || true
		else
			rabbitmqctl change_password "$longpoll_user" "$longpoll_pass" || true
		fi
	fi

	if grep -qs "^\ \{1,\}password: \"[a-zA-Z0-9]\{0,\}\"$" /etc/maas/txlongpoll.yaml; then
		sed -i "s/^\ \{1,\}password: \"[a-zA-Z0-9]\{0,\}\"$/  password: \""$longpoll_pass"\"/" \
                       /etc/maas/txlongpoll.yaml
	fi
	if grep -qs "^RABBITMQ_PASSWORD\ \= '[a-zA-Z0-9]\{0,\}'$" /etc/maas/maas_local_settings.py; then
		sed -i "s/^RABBITMQ_PASSWORD\ \= '[a-zA-Z0-9]\{0,\}'$/RABBITMQ_PASSWORD = '"$longpoll_pass"'/" \
                       /etc/maas/maas_local_settings.py
	fi
}

configure_maas_database() {
	local dbc_dbpass="$1"
	if grep -qs "^\ \{1,\} 'PASSWORD': '[a-zA-Z0-9]\{0,\}',$" /etc/maas/maas_local_settings.py; then
		sed -i "s/^\ \{1,\} 'PASSWORD': '[a-zA-Z0-9]\{0,\}',$/        'PASSWORD': '"$dbc_dbpass"',/" \
                       /etc/maas/maas_local_settings.py
	fi
}

configure_maas_tgt(){
	local tgtcfg="/etc/tgt/targets.conf"
	[ -d /etc/tgt/conf.d/ ] || 
	   echo "Warning! $tgtcfg did not exist" 1>&2;
	mkdir -p /etc/tgt/conf.d/ /var/lib/maas/ephemeral/
	ln -sf /var/lib/maas/ephemeral/tgt.conf /etc/tgt/conf.d/maas.conf
}

configure_maas_default_url() {
	local ipaddr="$1"

	if grep -qs "^DEFAULT_MAAS_URL\ \= \"[a-zA-Z0-9:/.]\{0,\}\"$" /etc/maas/maas_local_settings.py; then
		sed -i "s/^DEFAULT_MAAS_URL\ \= \"[a-zA-Z0-9:/.]\{0,\}\"$/DEFAULT_MAAS_URL = \"http:\/\/"$ipaddr"\/\"/" \
                    /etc/maas/maas_local_settings.py
	fi

	# Replace for PXE
	if grep -qs "^next_server:.*$" /etc/cobbler/settings; then
		sed -i "s/^next_server:.*$/next_server: $ipaddr/" /etc/cobbler/settings
	fi
	if grep -qs "^server:.*$" /etc/cobbler/settings; then
		sed -i "s/^server:.*$/server: $ipaddr/" /etc/cobbler/settings
	fi
}

if [ "$1" = "configure" ] && [ -z "$2" ]; then
	#########################################################
	################ User/Group Creatiion  ##################
	#########################################################
	add_user_group

	#########################################################
	################ Folder Permissions  ####################
	#########################################################
	mkdir -p /var/lib/maas/media/storage
	chown -R maas:maas /var/lib/maas/

	#########################################################
	################  Configure Apache2  ####################
	#########################################################
	# handle apache configs
	if [ -e /etc/maas/maas-http.conf -a \
		! -e /etc/apache2/conf.d/maas-http.conf ]; then
		ln -sf /etc/maas/maas-http.conf /etc/apache2/conf.d/maas-http.conf
	fi

	# enable apache modules needed
	a2enmod expires
	a2enmod wsgi

	# Need to restart apache to pickup web configs
	restart_apache2

	#########################################################
	########### Configure maas user for Cobbler #############
	#########################################################

	configure_maas_cobbler_user

	#########################################################
	############ Configure maas user for pserv ##############
	#########################################################

	configure_maas_pserv_user

	#########################################################
	##########  Configure DEFAULT_MAAS_URL  #################
	#########################################################

	# Obtain IP address of default route and change DEFAULT_MAAS_URL.
	while read Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT; do
		[ "$Mask" = "00000000" ] && break
	done < /proc/net/route
	interface="$Iface"
	ipaddr=$(LC_ALL=C /sbin/ip -4 addr list dev "$interface" scope global)
	ipaddr=${ipaddr#* inet }
	ipaddr=${ipaddr%%/*}
	# Set the IP address of the interface with default route
	if [ -n "$ipaddr" ]; then
		configure_maas_default_url "$ipaddr"
		db_subst maas/installation-note MAAS_URL "$ipaddr"
		db_set maas/default-maas-url "$ipaddr"
	fi

	#########################################################
	################  Configure Logging  ####################
	#########################################################

	# Give appropriate permissions
	if [ ! -f /var/log/maas/maas.log ]; then
		touch /var/log/maas/maas.log
	fi
	chown -R maas:maas /var/log/maas
	chmod -R 775 /var/log/maas/oops

	# Create log directory base
	mkdir -p /var/log/maas/rsyslog
	chown -R syslog:syslog /var/log/maas/rsyslog
	# Make sure rsyslog reads our config
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d rsyslog restart
	fi

	#########################################################
	################### Squid-deb-proxy  ####################
	#########################################################
	# Make sure squid-deb-proxy reads our config (99-maas)
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d squid-deb-proxy restart
	fi

	#########################################################
	########## Configure longpoll rabbitmq config ###########
	#########################################################

	# Handle longpoll/rabbitmq publishing
	restart_rabbitmq
	configure_maas_txlongpoll_rabbitmq_user

	#########################################################
	######## add maas.conf to tgt conf.d ####################
	#########################################################
	configure_maas_tgt

	#########################################################
	################  Configure Database  ###################
	#########################################################

	# Need to for postgresql start so it doesn't fail on the installer
	restart_postgresql

	# Create the database
	dbc_go maas $@
	configure_maas_database "$dbc_dbpass"

	# Only syncdb if we have selected to install it with dbconfig-common.
	db_get maas/dbconfig-install
	if [ "$RET" = "true" ]; then
		maas_sync_migrate_db
	fi

	# Display installation note
	db_input high maas/installation-note || true
	db_go

elif [ "$1" = "reconfigure" ] || [ -n "$DEBCONF_RECONFIGURE" ]; then
	# Set the IP address of the interface with default route
	db_get maas/default-maas-url
	ipaddr="$RET"
	db_set maas/default-maas-url "$ipaddr"
	if [ -n "$ipaddr" ]; then
		configure_maas_default_url "$ipaddr"
	fi
	restart_cobbler

elif [ "$1" = "configure" ] && dpkg --compare-versions "$2" gt 0.1+bzr266+dfsg-0ubuntu1; then
	# If upgrading to any later package version, then upgrade db.
	if [ -x /usr/sbin/invoke-rc.d ]; then
		invoke-rc.d apache2 stop || true
	fi

	# make sure postgresql is running
	restart_postgresql

	# If upgrading from any version lower than 0.1+bzr445+dfsg-0ubuntu1
	# we need to update the user/group.
	if dpkg --compare-versions "$2" lt 0.1+bzr445+dfsg-0ubuntu1; then
		# add user/group
		add_user_group
		# set correct permissions
		chown -R maas:maas /var/lib/maas/
		chown -R maas:maas /var/log/maas
		chown -R syslog:syslog /var/log/maas/rsyslog
	fi
	if dpkg --compare-versions "$2" lt 0.1+bzr459+dfsg-0ubuntu1; then
		configure_maas_tgt
	fi
	# If upgrading from any version lower than 0.1+bzr462+dfsg-0ubuntu1
	# we need to regenerate the passwords and update configs.
	if dpkg --compare-versions "$2" lt 0.1+bzr473+dfsg-0ubuntu1; then
		# configure maas user for cobbler
		configure_maas_cobbler_user
		# configure pserv user for cobbler
		configure_maas_pserv_user
		# configure maas default url
		db_get maas/default-maas-url
		ipaddr="$RET"
		# If nothing in the database, obtain the IP from cobbler settings
		# which is the same as MAAS_DEFAULT_URL
		if [ -z "$ipaddr" ]; then
			ipaddr=$(awk '$1 == "server:" { print $2 }' /etc/cobbler/settings)
			db_set maas/default-maas-url "$ipaddr"
		fi
		configure_maas_default_url "$ipaddr"
		# make sure rabbitmq is running
		restart_rabbitmq
		configure_maas_txlongpoll_rabbitmq_user
		# handle database upgrade
		dbc_go maas $@
		configure_maas_database "$dbc_dbpass"
	fi

	maas_sync_migrate_db
	restart_apache2

fi

db_stop

# Automatically added by dh_installinit
if [ -e "/etc/init/maas-pserv.conf" ]; then
	invoke-rc.d maas-pserv start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f maas-pserv remove >/dev/null || exit $?
# End automatically added section
# Automatically added by dh_installinit
if [ -e "/etc/init/maas-txlongpoll.conf" ]; then
	invoke-rc.d maas-txlongpoll start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f maas-txlongpoll remove >/dev/null || exit $?
# End automatically added section

# Automatically added by dh_python2:
if which pycompile >/dev/null 2>&1; then
	pycompile -p maas 
fi

if which pycompile >/dev/null 2>&1; then
	pycompile -p maas /usr/share/maas -V 2.7-
fi

# End automatically added section


exit 0