#!/bin/bash

. /opt/kolla/kolla-common.sh

: ${NOVA_DB_USER:=nova}
: ${NOVA_DB_NAME:=nova}
: ${NOVA_KEYSTONE_USER:=admin}
: ${NOVA_KEYSTONE_PASSWORD:=kolla}
: ${ADMIN_TENANT_NAME:=admin}
: ${RABBIT_USERID:=guest}
: ${RABBIT_PASSWORD:=guest}
: ${NETWORK_MANAGER:=nova}
: ${FLAT_NETWORK:=eth1}
: ${PUBLIC_NETWORK:=eth0}
: ${ENABLED_APIS:=ec2,osapi_compute,metadata}
: ${METADATA_HOST:=$PUBLIC_IP}
: ${NEUTRON_SHARED_SECRET:=sharedsecret}

check_required_vars KEYSTONE_ADMIN_TOKEN NOVA_DB_PASSWORD \
                    RABBITMQ_SERVICE_HOST GLANCE_API_SERVICE_HOST \
                    KEYSTONE_PUBLIC_SERVICE_HOST PUBLIC_IP \
                    PUBLIC_INTERFACE FLAT_INTERFACE DEBUG_LOGGING \
                    VERBOSE_LOGGING

cfg=/etc/nova/nova.conf

crudini --set $cfg DEFAULT amqp_durable_queues False
crudini --set $cfg DEFAULT rabbit_host ${RABBITMQ_SERVICE_HOST}
crudini --set $cfg DEFAULT rabbit_port 5672
crudini --set $cfg DEFAULT rabbit_hosts ${RABBITMQ_SERVICE_HOST}:5672
crudini --set $cfg DEFAULT rabbit_use_ssl False
crudini --set $cfg DEFAULT rabbit_userid ${RABBIT_USERID}
crudini --set $cfg DEFAULT rabbit_password "${RABBIT_PASSWORD}"
crudini --set $cfg DEFAULT rabbit_virtual_host /
crudini --set $cfg DEFAULT rabbit_ha_queues False
crudini --set $cfg DEFAULT rpc_backend nova.openstack.common.rpc.impl_kombu
crudini --set $cfg DEFAULT enabled_apis ${ENABLED_APIS}
crudini --set $cfg DEFAULT ec2_listen 0.0.0.0
crudini --set $cfg DEFAULT osapi_compute_listen 0.0.0.0
crudini --set $cfg DEFAULT osapi_compute_workers 8
crudini --set $cfg DEFAULT metadata_host ${METADATA_HOST}
crudini --set $cfg DEFAULT metadata_listen 0.0.0.0
crudini --set $cfg DEFAULT metadata_workers 8
crudini --set $cfg DEFAULT service_down_time 60
crudini --set $cfg DEFAULT rootwrap_config /etc/nova/rootwrap.conf
crudini --set $cfg DEFAULT auth_strategy keystone
crudini --set $cfg DEFAULT use_forwarded_for False
crudini --set $cfg DEFAULT glance_api_servers ${GLANCE_API_SERVICE_HOST}:9292
crudini --set $cfg DEFAULT cpu_allocation_ratio 16.0
crudini --set $cfg DEFAULT ram_allocation_ratio 1.5
crudini --set $cfg DEFAULT scheduler_default_filters RetryFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,CoreFilter
crudini --set $cfg DEFAULT compute_driver nova.virt.libvirt.LibvirtDriver
crudini --set $cfg DEFAULT vif_plugging_is_fatal True
crudini --set $cfg DEFAULT vif_plugging_timeout 300
crudini --set $cfg DEFAULT volume_api_class nova.volume.cinder.API
crudini --set $cfg DEFAULT image_service nova.image.glance.GlanceImageService
crudini --set $cfg DEFAULT osapi_volume_listen 0.0.0.0
crudini --set $cfg DEFAULT instances_path /var/lib/nova/instances
crudini --set $cfg DEFAULT lock_path /var/lib/nova/lock

# This is not created by openstack-nova packaging
mkdir -p /var/lib/nova/lock

# configure logging
crudini --set $cfg DEFAULT log_dir "${NOVA_LOG_DIR}"
crudini --set $cfg DEFAULT debug "${DEBUG_LOGGING}"
crudini --set $cfg DEFAULT verbose "${VERBOSE_LOGGING}"

crudini --set $cfg DEFAULT admin_token "${KEYSTONE_ADMIN_TOKEN}"

crudini --set $cfg conductor workers 8

if [ "${NETWORK_MANAGER}" == "nova" ] ; then
    crudini --set $cfg DEFAULT network_manager nova.network.manager.FlatDHCPManager
    crudini --set $cfg DEFAULT firewall_driver nova.virt.libvirt.firewall.IptablesFirewallDriver
    crudini --set $cfg DEFAULT network_size 254
    crudini --set $cfg DEFAULT allow_same_net_traffic False
    crudini --set $cfg DEFAULT multi_host True
    crudini --set $cfg DEFAULT send_arp_for_ha True
    crudini --set $cfg DEFAULT share_dhcp_address True
    crudini --set $cfg DEFAULT force_dhcp_release True
    crudini --set $cfg DEFAULT flat_interface $FLAT_INTERFACE
    crudini --set $cfg DEFAULT flat_network_bridge br100
    crudini --set $cfg DEFAULT public_interface $PUBLIC_INTERFACE
elif [ "${NETWORK_MANAGER}" == "neutron" ] ; then
    check_required_vars NEUTRON_SHARED_SECRET
    crudini --set $cfg neutron service_metadata_proxy True
    crudini --set $cfg neutron metadata_proxy_shared_secret ${NEUTRON_SHARED_SECRET}
    crudini --set $cfg DEFAULT neutron_default_tenant_id default
    crudini --set $cfg DEFAULT network_api_class nova.network.neutronv2.api.API
    crudini --set $cfg DEFAULT security_group_api neutron
    if [[ "${MECHANISM_DRIVERS}" =~ linuxbridge ]] ; then
        crudini --set $cfg DEFAULT linuxnet_interface_driver nova.network.linux_net.NeutronLinuxBridgeInterfaceDriver
    elif [[ "${MECHANISM_DRIVERS}" =~ openvswitch ]] ; then
        crudini --set $cfg DEFAULT linuxnet_interface_driver nova.network.linux_net.LinuxOVSInterfaceDriver
    fi
    crudini --set $cfg DEFAULT libvirt_vif_driver nova.virt.libvirt.vif.LibvirtGenericVIFDriver
    crudini --set $cfg DEFAULT firewall_driver nova.virt.firewall.NoopFirewallDriver
    crudini --set $cfg neutron url http://${NEUTRON_SERVER_SERVICE_HOST}:${NEUTRON_SERVER_SERVICE_PORT}
    crudini --set $cfg neutron auth_strategy keystone
    crudini --set $cfg neutron admin_auth_url ${KEYSTONE_AUTH_PROTOCOL}://${KEYSTONE_ADMIN_SERVICE_HOST}:${KEYSTONE_ADMIN_SERVICE_PORT}/v2.0
    crudini --set $cfg neutron admin_tenant_name ${ADMIN_TENANT_NAME}
    crudini --set $cfg neutron admin_username ${NEUTRON_KEYSTONE_USER}
    crudini --set $cfg neutron admin_password ${NEUTRON_KEYSTONE_PASSWORD}
else
    echo "Incorrect NETWORK_MANAGER ${NETWORK_MANAGER}. Supported options are nova and neutron."
    exit 1
fi

# disabled pending answers to http://lists.openstack.org/pipermail/openstack/2014-October/009997.html
#for option in auth_protocol auth_host auth_port; do
#    crudini --del $cfg \
#        keystone_authtoken \
#        $option
#done

crudini --set $cfg keystone_authtoken auth_uri "http://${KEYSTONE_PUBLIC_SERVICE_HOST}:5000/"
crudini --set $cfg keystone_authtoken auth_protocol http
crudini --set $cfg keystone_authtoken auth_host ${KEYSTONE_PUBLIC_SERVICE_HOST}
crudini --set $cfg keystone_authtoken auth_port 5000

crudini --set $cfg keystone_authtoken admin_user ${NOVA_KEYSTONE_USER}
crudini --set $cfg keystone_authtoken admin_password "${NOVA_KEYSTONE_PASSWORD}"
crudini --set $cfg keystone_authtoken admin_tenant_name ${ADMIN_TENANT_NAME}

cat > /openrc <<EOF
export OS_AUTH_URL="http://${KEYSTONE_PUBLIC_SERVICE_HOST}:5000/v2.0"
export OS_USERNAME="${NOVA_KEYSTONE_USER}"
export OS_PASSWORD="${NOVA_KEYSTONE_PASSWORD}"
export OS_TENANT_NAME="${ADMIN_TENANT_NAME}"
EOF

# Configure database connection
crudini --set $cfg \
    database \
    connection \
    "mysql://${NOVA_DB_USER}:${NOVA_DB_PASSWORD}@${MARIADB_SERVICE_HOST}/${NOVA_DB_NAME}"