FileCompression return compression alg based on given file extention.

MergeTimelines merges overlapping sets on timelines it preresumes timelines already sorted and don't start from 0.

New creates a new PBM object.

PITRmetaFromFName parses given file name and returns PITRChunk metadata it returns nil if file wasn't parse successfully (e.g.

ValidateConfigKey checks if a config key valid.

AgentsStatusCollection is a agents registry with its status/health checks.

BcpCollection is a collection for backups metadata.

BcpOldCollection contains a backup of backups metadata.

CmdStreamCollection is the name of the mongo collection that contains backup/restore commands stream.

ConfigCollection is the name of the mongo collection that contains PBM configs.

DB is a name of the PBM database.

LockCollection is the name of the mongo collection that is used by agents to coordinate mutually exclusive operations (e.g.

LockOpCollection is the name of the mongo collection that is used by agents to coordinate operations that doesn't need to be mutually exclusive to other operation types (e.g.

LogCollection is the name of the mongo collection that contains PBM logs.

MetadataFileSuffix is a suffix for the metadata file on a storage.

PBMOpLogCollection contains log of aquired locks (hence run ops).

PITRChunksCollection contains index metadata of PITR chunks.

PITRChunksOldCollection contains archived index metadata of PITR chunks.

PITRCollection represents current incremental backups state.

PITRdefaultSpan oplog slicing time span.

PITRfsPrefix is a prefix (folder) for PITR chunks on the storage.

RestoresCollection is a collection for restores metadata.

StatusCollection stores pbm status.

TmpUsersCollection and TmpRoles are tmp collections used to avoid user related issues while resoring on new cluster.

ErrStorageUndefined is an error for undefined storage.

BackupMeta is a backup's metadata.

Config is a pbm config.

ErrConcurrentOp means lock was already aquired by another node.

ErrDuplicateOp means the operation with the same ID alredy had been running.

ErrWasStaleLock - the lock was already got but the operation seems to be staled (no hb from the node).

Lock is a lock for the PBM operation (e.g.

LockHeader describes the lock.

MongoLastWrite represents the last write to the MongoDB server.

NodeInfo represents the mongo's node info.

OpLog represents log of started operation.

PITRChunk is index metadata for the oplog chunks.

PITRConf is a Point-In-Time Recovery options.

RestoreConf is config options for the restore.

Shard represent config.shard https://docs.mongodb.com/manual/reference/config-database/#config.shards.

StorageConf is a configuration of the backup storage.

Command represents actions that could be done on behalf of the client by the agents.

ReplRole is a replicaset role in sharded cluster.

Status is a backup current status.

StorageType represents a type of the destination storage for backups.