#!/bin/bash

set -e

. /opt/kolla/kolla-common.sh

check_required_vars KEYSTONE_PUBLIC_SERVICE_HOST \
                    NEUTRON_API_PASTE_CONFIG \
                    NEUTRON_KEYSTONE_PASSWORD \
                    RABBITMQ_SERVICE_HOST

core_cfg=/etc/neutron/neutron.conf
ml2_cfg=/etc/neutron/plugins/ml2/ml2_conf.ini

# Logging
crudini --set $core_cfg \
        DEFAULT \
        log_dir \
        "${NEUTRON_LOG_DIR}"
crudini --set $core_cfg \
        DEFAULT \
        verbose \
        "${VERBOSE_LOGGING}"
crudini --set $core_cfg \
        DEFAULT \
        debug \
        "${DEBUG_LOGGING}"

# Paste config
crudini --set $core_cfg \
        DEFAULT \
        api_paste_config \
        "${NEUTRON_API_PASTE_CONFIG}"

# Rabbit
crudini --set $core_cfg \
        DEFAULT \
        rabbit_host \
        "${RABBIT_HOST}"
crudini --set $core_cfg \
        DEFAULT \
        rabbit_userid \
        "${RABBIT_USER}"
crudini --set $core_cfg \
        DEFAULT \
        rabbit_password \
        "${RABBIT_PASSWORD}"

# Locking
crudini --set $core_cfg \
        DEFAULT \
        lock_path \
        "/var/lock/neutron"

# Keystone
crudini --set $core_cfg \
        DEFAULT \
        auth_strategy \
        "keystone"
crudini --set $core_cfg \
        keystone_authtoken \
        auth_uri \
        "${KEYSTONE_AUTH_PROTOCOL}://${KEYSTONE_PUBLIC_SERVICE_HOST}:${KEYSTONE_PUBLIC_SERVICE_PORT}/v2.0"
crudini --set $core_cfg \
        keystone_authtoken \
        identity_uri \
        "${KEYSTONE_AUTH_PROTOCOL}://${KEYSTONE_ADMIN_SERVICE_HOST}:${KEYSTONE_ADMIN_SERVICE_PORT}"
crudini --set $core_cfg \
        keystone_authtoken \
        admin_tenant_name \
        "${ADMIN_TENANT_NAME}"
crudini --set $core_cfg \
        keystone_authtoken \
        admin_user \
        "${NEUTRON_KEYSTONE_USER}"
crudini --set $core_cfg \
        keystone_authtoken \
        admin_password \
        "${NEUTRON_KEYSTONE_PASSWORD}"

# Rootwrap
crudini --set $core_cfg \
        agent \
        root_helper \
        "sudo neutron-rootwrap /etc/neutron/rootwrap.conf"

# neutron.conf ml2 configuration
crudini --set $core_cfg \
        DEFAULT \
        core_plugin \
        "neutron.plugins.ml2.plugin.Ml2Plugin"
crudini --set $core_cfg \
        DEFAULT \
        service_plugins \
        "neutron.services.l3_router.l3_router_plugin.L3RouterPlugin"
crudini --set $core_cfg \
        DEFAULT \
        allow_overlapping_ips \
        "True"

# Configure ml2_conf.ini
crudini --set $ml2_cfg \
        ml2 \
        type_drivers \
        "${TYPE_DRIVERS}"
crudini --set $ml2_cfg \
        ml2 \
        tenant_network_types \
        "${TENANT_NETWORK_TYPES}"
crudini --set $ml2_cfg \
        ml2 \
        mechanism_drivers \
        "${MECHANISM_DRIVERS}"

if [[ ${TYPE_DRIVERS} =~ .*flat.* ]]; then
    crudini --set $ml2_cfg \
        ml2_type_flat \
        flat_networks \
        ${NEUTRON_FLAT_NETWORK_NAME}
fi

if [[ ${TYPE_DRIVERS} =~ .*vxlan.* ]]; then
    crudini --set $ml2_cfg \
        ml2_type_vxlan \
        vxlan_group \
        ""
    crudini --set $ml2_cfg \
        ml2_type_vxlan \
        vni_ranges \
        "1:1000"
    crudini --set $ml2_cfg \
        vxlan \
        enable_vxlan \
        "True"
    crudini --set $ml2_cfg \
        vxlan \
        vxlan_group \
        ""
    crudini --set $ml2_cfg \
        vxlan \
        l2_population \
        "True"
    crudini --set $ml2_cfg \
        agent \
        tunnel_types \
        "vxlan"
    crudini --set $ml2_cfg \
        agent \
        vxlan_udp_port \
        "4789"
    crudini --set $core_cfg \
        DEFAULT \
        network_device_mtu \
        "1450"
fi

crudini --set $ml2_cfg \
    l2pop \
    agent_boot_time \
    "180"
crudini --set $ml2_cfg \
    securitygroup \
    enable_security_group \
    "True"
crudini --set $ml2_cfg \
    securitygroup \
    enable_ipset \
    "True"

if [[ ${MECHANISM_DRIVERS} =~ linuxbridge ]]; then
    firewall_driver="neutron.agent.linux.iptables_firewall.IptablesFirewallDriver"
elif [[ ${MECHANISM_DRIVERS} == "openvswitch" ]]; then
    firewall_driver="neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver"
fi

crudini --set $ml2_cfg \
    securitygroup \
    firewall_driver \
    "$firewall_driver"

cat > /openrc <<EOF
export OS_AUTH_URL="http://${KEYSTONE_PUBLIC_SERVICE_HOST}:${KEYSTONE_PUBLIC_SERVICE_PORT}/v2.0"
export OS_USERNAME="${NEUTRON_KEYSTONE_USER}"
export OS_PASSWORD="${NEUTRON_KEYSTONE_PASSWORD}"
export OS_TENANT_NAME="${ADMIN_TENANT_NAME}"
EOF