#!/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")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.openvswitch.ovs_neutron_plugin.OVSNeutronPluginV2
	;;
	"ml2")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.ml2.plugin.Ml2Plugin
	;;
	"LinuxBridge")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.linuxbridge.lb_neutron_plugin.LinuxBridgePluginV2
	;;
	"RYU")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.ryu.ryu_neutron_plugin.RyuNeutronPluginV2
	;;
	"PLUMgrid")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.plumgrid.plumgrid_nos_plugin.plumgrid_plugin.NeutronPluginPLUMgridV2
	;;
	"Brocade")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.brocade.NeutronPlugin.BrocadePluginV2
	;;
	"Hyper-V")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.hyperv.hyperv_neutron_plugin.HyperVNeutronPlugin
	;;
	"BigSwitch")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.bigswitch.plugin.NeutronRestProxyV2
	;;
	"Cisco")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.cisco.network_plugin.PluginV2
	;;
	"Nicira")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.nicira.NeutronPlugin.NvpPluginV2
	;;
	"Midonet")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.midonet.plugin.MidonetPluginV2
	;;
	"Nec")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.nec.nec_plugin.NECPluginV2
	;;
	"MetaPlugin")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.metaplugin.meta_neutron_plugin.MetaPluginV2
	;;
	"Mellanox")
		NEUTRON_PLUGIN_CLASS=neutron.plugins.mlnx.mlnx_plugin.MellanoxEswitchPlugin
	;;
	*)
		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}
		pkgos_inifile set ${N_CONF} DEFAULT core_plugin ${NEUTRON_PLUGIN_CLASS}
	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#