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# Copyright (C) 2020-present MongoDB, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the Server Side Public License, version 1,
# as published by MongoDB, Inc.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Server Side Public License for more details.
#
# You should have received a copy of the Server Side Public License
# along with this program. If not, see
# <http://www.mongodb.com/licensing/server-side-public-license>.
#
# As a special exception, the copyright holders give permission to link the
# code of portions of this program with the OpenSSL library under certain
# conditions as described in each individual source file and distribute
# linked combinations including the program with the OpenSSL library. You
# must comply with the Server Side Public License in all respects for
# all of the code used other than as permitted herein. If you modify file(s)
# with this exception, you may extend this exception to your version of the
# file(s), but you are not obligated to do so. If you do not wish to do so,
# delete this exception statement from your version. If you delete this
# exception statement from all source files in the program, then also delete
# it in the license file.
#
global:
cpp_namespace: "mongo"
cpp_includes:
- "mongo/db/commands/feature_compatibility_version_parser.h"
imports:
- "mongo/idl/basic_types.idl"
enums:
SetFCVPhase:
description: "Enum that defines the phases of the 2-phase setFCV protocol."
type: string
values:
kStart: "start"
kComplete: "complete"
commands:
setFeatureCompatibilityVersion:
description: "Parser for the 'setFeatureCompatibilityVersion' command."
command_name: setFeatureCompatibilityVersion
cpp_name: SetFeatureCompatibilityVersion
strict: true
namespace: type
api_version: ""
type: fcv_string
fields:
downgradeOnDiskChanges:
description: "A boolean that indicates whether we should rollback all possible
on-disk changes associated with the upgraded
featureCompatibilityVersion. This should only be called with a
downgraded featureCompatibilityVersion."
type: safeBool
optional: true
fromConfigServer:
description: "A boolean that indicates whether the command is being requested by a
config server. Normally FCV upgrades between last-lts and anything
less than latest are not allowed, but in a sharded cluster, newly
started shard nodes start in lastLTS and this parameter is required in
order to be able to add such a shard to a cluster, which is currently
running at last-continuous."
type: safeBool
optional: true
phase:
description: "An enum that indicates whether the the command is requesting the shard
to enter phase-1 (kStart) or phase-2 (kComplete) of the 2-phase setFCV
protocol. Only valid to be specified for shards. If not specified on a
shard, it will run the full setFCV sequence (both phases)."
type: SetFCVPhase
optional: true
changeTimestamp:
description: "Timestamp used to identify the 2-phase setFCV request. Both phases
(kStart and kComplete) must have the same timestamp for the entire
sequence, and every new sequence started must strictly have
incrementing timestamp."
type: timestamp
optional: true
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