# Source code for azure.mgmt.recoveryservices.models.upgrade_details_py3

    # coding=utf-8
    # --------------------------------------------------------------------------
    # Copyright (c) Microsoft Corporation. All rights reserved.
    # Licensed under the MIT License. See License.txt in the project root for
    # license information.
    #
    # Code generated by Microsoft (R) AutoRest Code Generator.
    # Changes may cause incorrect behavior and will be lost if the code is
    # regenerated.
    # --------------------------------------------------------------------------

    from msrest.serialization import Model

    class UpgradeDetails(Model):
        """Details for upgrading vault.

        Variables are only populated by the server, and will be ignored when
        sending a request.

        :ivar operation_id: ID of the vault upgrade operation.
        :vartype operation_id: str
        :ivar start_time_utc: UTC time at which the upgrade operation has started.
        :vartype start_time_utc: datetime
        :ivar last_updated_time_utc: UTC time at which the upgrade operation
         status was last updated.
        :vartype last_updated_time_utc: datetime
        :ivar end_time_utc: UTC time at which the upgrade operation has ended.
        :vartype end_time_utc: datetime
        :ivar status: Status of the vault upgrade operation. Possible values
         include: 'Unknown', 'InProgress', 'Upgraded', 'Failed'
        :vartype status: str or
         ~azure.mgmt.recoveryservices.models.VaultUpgradeState
        :ivar message: Message to the user containing information about the
         upgrade operation.
        :vartype message: str
        :ivar trigger_type: The way the vault upgrade was triggered. Possible
         values include: 'UserTriggered', 'ForcedUpgrade'
        :vartype trigger_type: str or
         ~azure.mgmt.recoveryservices.models.TriggerType
        :ivar upgraded_resource_id: Resource ID of the upgraded vault.
        :vartype upgraded_resource_id: str
        :ivar previous_resource_id: Resource ID of the vault before the upgrade.
        :vartype previous_resource_id: str
        """

        _validation = {
            'operation_id': {'readonly': True},
            'start_time_utc': {'readonly': True},
            'last_updated_time_utc': {'readonly': True},
            'end_time_utc': {'readonly': True},
            'status': {'readonly': True},
            'message': {'readonly': True},
            'trigger_type': {'readonly': True},
            'upgraded_resource_id': {'readonly': True},
            'previous_resource_id': {'readonly': True},
        }

        _attribute_map = {
            'operation_id': {'key': 'operationId', 'type': 'str'},
            'start_time_utc': {'key': 'startTimeUtc', 'type': 'iso-8601'},
            'last_updated_time_utc': {'key': 'lastUpdatedTimeUtc', 'type': 'iso-8601'},
            'end_time_utc': {'key': 'endTimeUtc', 'type': 'iso-8601'},
            'status': {'key': 'status', 'type': 'str'},
            'message': {'key': 'message', 'type': 'str'},
            'trigger_type': {'key': 'triggerType', 'type': 'str'},
            'upgraded_resource_id': {'key': 'upgradedResourceId', 'type': 'str'},
            'previous_resource_id': {'key': 'previousResourceId', 'type': 'str'},
        }

        def __init__(self, **kwargs) -> None:
            super(UpgradeDetails, self).__init__(**kwargs)
            self.operation_id = None
            self.start_time_utc = None
            self.last_updated_time_utc = None
            self.end_time_utc = None
            self.status = None
            self.message = None
            self.trigger_type = None
            self.upgraded_resource_id = None
            self.previous_resource_id = None