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# Copyright (C) 2019-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.
#
# This file defines the format of documents stored in config.rangeDeletions. Each document
# represents a chunk range to be deleted by the CollectionRangeDeleter.
global:
cpp_namespace: "mongo"
cpp_includes:
- "mongo/db/s/migration_session_id.h"
imports:
- "mongo/idl/basic_types.idl"
- "mongo/s/sharding_types.idl"
- "mongo/s/chunk_range.idl"
- "mongo/s/chunk_version.idl"
- "mongo/db/logical_session_id.idl"
enums:
Decision:
description: "Whether the migration committed or aborted."
type: string
values:
kCommitted: "committed"
kAborted: "aborted"
types:
MigrationSessionId:
bson_serialization_type: string
description: "The migration session id is the legacy unique identifier for a particular
moveChunk command and is exchanged as part of all communication between the
donor and recipient shards."
cpp_type: "mongo::MigrationSessionId"
deserializer: "mongo::MigrationSessionId::fromString"
serializer: "mongo::MigrationSessionId::toString"
structs:
migrationCoordinatorDocument:
description: "Represents an in-progress migration on the migration donor."
generate_comparison_operators: false
strict: true
fields:
_id:
type: uuid
description: "A unique identifier for the migration."
cpp_name: id
migrationSessionId:
type: MigrationSessionId
description: "A legacy unique identifier for the migration session."
lsid:
type: LogicalSessionId
description: "The sessionId to use to communicate with the recipient"
txnNumber:
type: TxnNumber
description: "The last txnNumber used to communicate with the recipient"
nss:
type: namespacestring
description: "The namespace of the collection that the chunk belongs to."
collectionUuid:
type: uuid
description: "The UUID of the collection that the chunk belongs to."
donorShardId:
type: shard_id
description: "The shard from which the chunk is being migrated."
recipientShardId:
type: shard_id
description: "The shard to which the chunk is being migrated."
range:
type: chunk_range
description: "The range being migrated."
preMigrationChunkVersion:
type: ChunkVersion
description: "The data placement, at the start of the migration, of the chunk being
moved."
decision:
type: Decision
description: "Enumeration that defines whether the migration committed or aborted."
optional: true
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