module pnf-sw-upgrade {
    namespace "http://onap.org/pnf-sw-upgrade";
    prefix upgrade;

    import ietf-yang-types {
        prefix yang;
    }

    revision "2019-12-03" {
        description
          "initial version";
    }

    container software-upgrade {
        config true;
        list upgrade-package {
            key "id";
            leaf id {
                type string;
            }
            leaf current-status {
                type enumeration {
                    enum CREATED;
                    enum INITIALIZED;
                    enum DOWNLOAD_IN_PROGRESS;
                    enum DOWNLOAD_COMPLETED;
                    enum ACTIVATION_IN_PROGRESS;
                    enum ACTIVATION_COMPLETED;
                }
                description
                  "List of possible states of the upgrade";
            }
            leaf state-change-time {
                mandatory false;
                description
                  "Date and time of the last state change.";
                type yang:date-and-time;
            }
            leaf action {
                mandatory false;
                type enumeration {
                    enum NONE;
                    enum PRE_CHECK;
                    enum DOWNLOAD_NE_SW;
                    enum ACTIVATE_NE_SW;
                    enum CANCEL;
                }
                description
                  "List of possible actions for the upgrade";
            }
            leaf software-version {
                type string;
                description
                  "Possible name or release version of the UP";
            }
            leaf uri {
                type string;
                description
                  "A URI that points to the directory where the UP can be found.";
            }
            leaf user {
                type string;
                description
                  "Indicates the user.";
            }
            leaf password {
                type string;
                description
                  "Indicates the password.";
            }
            leaf user-label {
                type string;
                description
                  "Free-text description of the UP.";
            }
        }
    }
}