/*
 * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
module neutron-subnets {

    yang-version 1;

    namespace "urn:opendaylight:neutron-subnets";

    prefix neutron-subnets;

    import ietf-yang-types { prefix "yang"; }
    // It requires rfc6991 (revision 2013-07-15), but odl don't have it, so this patch verify build will fail.
    import ietf-inet-types { prefix "inet"; revision-date 2010-09-24; }
    import neutron-attrs { prefix "attrs"; }

    organization "OpenDaylight Neutron Group";

    contact "J. Gregory Hall <ghall@brocade.com>, Kiran Sreenivasa <kkoushik@brocade.com>";

    description "This YANG module defines Openstack Ice House Neutron Subnets model";

    revision "2014-10-02" {
        description
                "Initial version of Openstack Neutron Ice House Subnets model.";
    }

    grouping subnet-attrs {
        leaf network-id {
            type yang:uuid;
            description "network this subnet is associated with.";
        }
        leaf ip-version {
            description "IP version";
            type enumeration {
                enum 4;
                enum 6;
            }
        }
        leaf cidr {
            type string;
            description "cidr representing IP range for this subnet, based on IP version";
        }
        leaf gateway-ip {
            type inet:ip-address;
            description "default gateway used by devices in this subnet";
        }
        leaf-list dns-nameservers {
            type inet:ip-address;
            description "DNS name servers used by hosts in this subnet.";
            // neutron subnet-create test-net1 40.0.0.0/24 --dns-nameservers list=true 8.8.8.7 8.8.8.8        }        }
        }
        leaf ipv6-address-mode {

            description "neutron subnet-create --ip-version 6 --ipv6_ra_mode off --ipv6_address_mode
                        off NETWORK CIDR neutron subnet-create --ip-version 6 --ipv6_ra_mode
                        off --ipv6_address_mode dhcpv6-stateful NETWORK CIDR neutron subnet-create
                        --ip-version 6 --ipv6_ra_mode slaac --ipv6_address_mode slaac
                        NETWORK CIDR neutron subnet-create --ip-version 6 --ipv6_ra_mode
                        dhcpv6-stateful --ipv6_address_mode off NETWORK CIDR neutron subnet-create
                        --ip-version 6 --ipv6_ra_mode dhcpv6-stateless --ipv6_address_mode
                        dhcpv6-stateless NETWORK CIDR Note: can't find this in the spec
                        but OS is sending it with a null value.";
            // ?? Do we make this an enumeration for validation or require the writer to write good values?
            type enumeration {
                enum off;
                enum dhcpv6-stateful;
                enum slaac;
                enum dhcpv6-stateless;
            }
        }
        leaf ipv6-ra-mode {
            description "TODO can't find this in the spec but OS sends it with a null
                        value.";
            type enumeration {
                enum off;
                enum dhcpv6-stateful;
                enum slaac;
                enum dhcpv6-stateless;
            }
        }
        list allocation-pools {
            description "Sub-ranges of cidr available for dynamic allocation to ports";
            key start;
            leaf start {
                type string;
            }
            leaf end {
                type string;
            }
        }
        list host-routes {
            description "Routes that should be used by devices with IPs from this subnet
                        (not including local subnet route).";
            key destination;
            leaf destination {
                type inet:ip-address;
            }
            leaf nexthop {
                type inet:ip-address;
            }
        }
        leaf enable-dhcp {
            type boolean;
            description "Specifies whether DHCP is enabled for this subnet or not.";
        }
    }
    grouping subnets-attributes {
        container subnets {
            list subnet {
                key "uuid";
                uses attrs:base-attrs;
                uses subnet-attrs;
            }
        }
    }
}