module sal-group {
    namespace "urn:opendaylight:group:service";
    prefix group;

    import yang-ext {prefix ext;}
    import opendaylight-inventory {prefix inv;}
    import ietf-inet-types {prefix inet;}
    import opendaylight-group-types {prefix group-type;}

    revision "2013-09-18" {
        description "Initial revision of group service";
    }        
    
    grouping node-group {
        leaf node {
            type inv:node-ref;
        }
        
        uses group-type:group;
    }

    /** Base configuration structure **/
    grouping group-update {
        container original-group {
            uses group-type:group;
        }
        container updated-group {
            uses group-type:group;
        }
    }

    rpc add-group {
        input {
            uses node-group;
        }
    }

    rpc remove-group {
        input {
            uses node-group;
        }
    }

    rpc update-group {
        input {
            uses node-group;
        }
    }     
}