module sequence-generator {
    yang-version 1;

    namespace "org:onap:appc:sequencegenerator";
    prefix sequencegenerator;

    description
        "Defines sequence generator api interface for App-C services";

    revision "2017-07-06" {
        description
                "Initial draft";
    }

    grouping request-info {
        container request-info{
            leaf action {
                type enumeration {
                   enum "Start";
                   enum "Stop";
                }
            }
            leaf action-level {
                type enumeration {
                   enum "vm";
                   enum "vnfc";
                   enum "vnf";
                   enum "vf-module";
                }
            }
        container action-identifier {
            leaf vnf-id {
                description "identifies the VNF to which this action is to be applied(vnf-id uniquely identifies the service-instance referred to).";
                type string;
            }
            leaf vnfc-name {
                  type string;
            }
            leaf vserver-id {
                  type string;
            }
        }
            leaf payload {
                description "An action-specific value opaque to the APPC handler.
                             The value can be any valid JSON type (primitive, object, collection of those two).
                             APPC will pass the value as raw JSON string";
                type string;
            }
        }
    }

    grouping inventory-info {
        container inventory-info {
            container vnf-info {
                leaf vnf-id {
                    type string;
                }
                leaf vnf-name {
                    type string;
                }
                leaf vnf-type {
                    type string;
                }
                list vm {
                    key "vserver-id";
                    leaf vserver-id {
                        type string;
                    }
                    container vnfc {
                        leaf vnfc-type {
                           type string;
                        }
                        leaf vnfc-name {
                            type string;
                        }
                    }
                }
            }
        }
    }

    grouping dependency-info {
        container dependency-info {
            list vnfcs {
                leaf vnfc-type {
                    type string;
                }
                leaf mandatory {
                    type boolean;
                }
                leaf resilience {
                    type string;
                }
                leaf-list parents {
                    type string;
                }
            }
        }
    }

    grouping tunable-parameters {
        container tunable-parameters {
            leaf strategy {
                type enumeration {
                    enum "FORWARD";
                    enum "REVERSE";
                }
            }
            leaf wait-time {
                type uint16;
            }
            leaf retry-count {
                type uint16;
            }
        }
    }

    grouping capabilities {
        container capabilities {
            leaf-list vnf {
		        type string;
		    }
            leaf-list vf-module {
                type string;
            }
            leaf-list vm {
                type string;
            }
            leaf-list vnfc {
                type string;
            }
        }
    }

    grouping response {
            container status {
                leaf code {
                    type uint16;
                }
                leaf message {
                    type string;
                }
            }
            list transactions{
                key "transaction-id";
                leaf transaction-id{
                    type uint16;
                }
                leaf action{
                    type string;
                }
                leaf action-level{
                    type string;
                }
                container action-identifier{
                    leaf vserver-id {
                        type string;
                    }
                    leaf vnfc-name {
                        type string;
                    }
                    leaf vnf-id {
                        type string;
                    }
                }
                leaf payload{
                    type string;
                }
                leaf precheck-operator{
                    type string;
                }
                list precheck-options{
                    leaf pre-transaction-id{
                        type uint16;
                    }
                    leaf param-name{
                        type string;
                    }
                    leaf param-value{
                        type string;
                    }
                    leaf rule{
                        type string;
                    }
                }
                list responses{
                    leaf response-message{
                        type string;
                    }
                    container response-action{
                        leaf wait{
                            type uint16;
                        }
                        leaf retry{
                            type uint16;
                        }
                        leaf continue{
                            type boolean;
                        }
                        leaf stop{
                            type boolean;
                        }
                        leaf ignore{
                            type boolean;
                        }
                    }
                }
            }
    }

    rpc generate-sequence {
        input{
            uses request-info;
            uses inventory-info;
            uses dependency-info;
            uses tunable-parameters;
            uses capabilities;
        }
        output{
            uses response;
        }
    }
   }