#!/bin/sh

set -e

N_CONF=/etc/neutron/neutron.conf
OVS_CONF=/etc/neutron/plugins/ml2/openvswitch_agent.ini

#PKGOS-INCLUDE#

neutron_core_plugin_class () {
	case ${1} in
	"OpenVSwitch"|"ml2"|"LinuxBridge"|"neutron.plugins.ml2.plugin.Ml2Plugin")
		NEUTRON_PLUGIN_CLASS=ml2
	;;
	"networking_plumgrid.neutron.plugins.plugin:NeutronPluginPLUMgridV2"|"plumgrid")
		NEUTRON_PLUGIN_NAME=plumgrid
	;;
	"midonet.neutron.plugin_v1:MidonetPluginV2"|"midonet")
		NEUTRON_PLUGIN_NAME=midonet
	;;
	"midonet.neutron.plugin_v2:MidonetPluginV2"|"midonet_v2")
		NEUTRON_PLUGIN_NAME=midonet_v2
	;;
	"networking_nec.nwa.l2.plugin:NECNWAL2Plugin"|"necnwa")
		NEUTRON_PLUGIN_NAME=nec
	;;
	"vmware_nsx.plugin:NsxMhPlugin"|"vmware")
		NEUTRON_PLUGIN_NAME=vmware
	;;
	*)
		NEUTRON_PLUGIN_CLASS=""
	;;
	esac
}

write_nova_admin_credentials () {
        db_get neutron/nova_url
	pkgos_inifile set ${N_CONF} nova url ${RET}

	db_get neutron/nova_region
	pkgos_inifile set ${N_CONF} nova region_name ${RET}

	db_get neutron/nova_admin_tenant_name
	NOVA_TENANT_NAME_IN_NEUTRON=${RET}
	pkgos_inifile set ${N_CONF} nova tenant_name ${RET}
	pkgos_inifile set ${N_CONF} nova project_name ${RET}

	db_get neutron/nova_admin_username
	pkgos_inifile set ${N_CONF} nova username ${RET}

	db_get neutron/nova_admin_password
	pkgos_inifile set ${N_CONF} nova password ${RET}
}

if [ "$1" = "configure" ] || [ "$1" = "reconfigure" ] ; then
	. /usr/share/debconf/confmodule

	pkgos_var_user_group neutron
	chmod 755 /var/lib/neutron

	pkgos_write_new_conf neutron api-paste.ini
	pkgos_write_new_conf neutron neutron.conf
	chmod 0660 /etc/neutron/neutron.conf

	# Sets the core_plugin directive according to the value in debconf
	db_get neutron/plugin-select
	NEUTRON_plugin=${RET}
	if [ -n "${RET}" ] ; then
		neutron_core_plugin_class ${NEUTRON_plugin}
		if [ -n "${NEUTRON_PLUGIN_CLASS}" ] ; then
			pkgos_inifile set ${N_CONF} DEFAULT core_plugin ${NEUTRON_PLUGIN_CLASS}
		fi
	fi

	# Write the neutron RabbitMQ credentials
	pkgos_rabbit_write_conf ${N_CONF} oslo_messaging_rabbit neutron

	# Set the keystone_authtoken directive
	pkgos_write_admin_creds ${N_CONF} keystone_authtoken neutron

	# Set the sql_connection directive
        pkgos_dbc_postinst --suite neutron ${N_CONF} database connection neutron $@

	db_get neutron/configure_db
	if [ "$RET" = "true" ] ; then
		# Migrating to latest release of the db
		neutron-db-manage --config-file /etc/neutron/neutron.conf upgrade head
	fi

	# Maintain the OVS config
        if [ ! -e ${OVS_CONF} ] ; then
                install -D -m 0640 -o neutron -g neutron /usr/share/neutron-common/openvswitch_agent.ini ${OVS_CONF}
        fi

	if [ "${NEUTRON_plugin_path}" = "OpenVSwitch" ] ; then
		db_get neutron/tenant_network_type
		pkgos_inifile set ${OVS_CONF} OVS tenant_network_type "${RET}"

		db_get neutron/enable_tunneling
		pkgos_inifile set ${OVS_CONF} OVS enable_tunneling "${RET}"

		db_get neutron/tunnel_id_ranges
		pkgos_inifile set ${OVS_CONF} OVS tunnel_id_ranges "${RET}"

		db_get neutron/local_ip
		pkgos_inifile set ${OVS_CONF} OVS local_ip "${RET}"
	fi

	write_nova_admin_credentials
	db_stop

	chown -R neutron:adm /var/log/neutron/
	chmod 0700 /etc/neutron
	chmod 0750 /var/log/neutron/
	chown root:root /etc/neutron/rootwrap.conf
	chown root:root /etc/neutron/rootwrap.d
	chmod 0755 /etc/neutron/rootwrap.d

	# The /var/lib/neutron/dhcp needs to be readable from the nobody user.
	chmod 755 /var/lib/neutron
	mkdir -p /var/lib/neutron/dhcp
	chown neutron:neutron /var/lib/neutron/dhcp
	chmod 755 /var/lib/neutron/dhcp

	if [ -f /etc/sudoers.d/neutron_sudoers ] ; then
		chmod 0440 /etc/sudoers.d/neutron_sudoers
	fi
fi

#DEBHELPER#