267506bb20
metabase has become a central concept and it's more suitable for it to be directly nested under satellite rather than being part of metainfo. metainfo is going to be the "endpoint" logic for handling requests. Change-Id: I53770d6761ac1e9a1283b5aa68f471b21e784198
82 lines
4.4 KiB
Go
82 lines
4.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package gracefulexit
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import (
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"context"
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"time"
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"storj.io/common/storj"
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"storj.io/storj/satellite/metabase"
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)
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// Progress represents the persisted graceful exit progress record.
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type Progress struct {
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NodeID storj.NodeID
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BytesTransferred int64
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PiecesTransferred int64
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PiecesFailed int64
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UpdatedAt time.Time
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}
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// TransferQueueItem represents the persisted graceful exit queue record.
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type TransferQueueItem struct {
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NodeID storj.NodeID
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Key metabase.SegmentKey
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PieceNum int32
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RootPieceID storj.PieceID
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DurabilityRatio float64
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QueuedAt time.Time
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RequestedAt *time.Time
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LastFailedAt *time.Time
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LastFailedCode *int
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FailedCount *int
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FinishedAt *time.Time
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OrderLimitSendCount int
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}
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// DB implements CRUD operations for graceful exit service.
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//
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// architecture: Database
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type DB interface {
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// IncrementProgress increments transfer stats for a node.
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IncrementProgress(ctx context.Context, nodeID storj.NodeID, bytes int64, successfulTransfers int64, failedTransfers int64) error
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// GetProgress gets a graceful exit progress entry.
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GetProgress(ctx context.Context, nodeID storj.NodeID) (*Progress, error)
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// Enqueue batch inserts graceful exit transfer queue entries it does not exist.
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Enqueue(ctx context.Context, items []TransferQueueItem) error
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// UpdateTransferQueueItem creates a graceful exit transfer queue entry.
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UpdateTransferQueueItem(ctx context.Context, item TransferQueueItem) error
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// DeleteTransferQueueItem deletes a graceful exit transfer queue entry.
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DeleteTransferQueueItem(ctx context.Context, nodeID storj.NodeID, key metabase.SegmentKey, pieceNum int32) error
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// DeleteTransferQueueItem deletes a graceful exit transfer queue entries by nodeID.
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DeleteTransferQueueItems(ctx context.Context, nodeID storj.NodeID) error
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// DeleteFinishedTransferQueueItem deletes finished graceful exit transfer queue entries.
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DeleteFinishedTransferQueueItems(ctx context.Context, nodeID storj.NodeID) error
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// DeleteAllFinishedTransferQueueItems deletes all graceful exit transfer
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// queue items whose nodes have finished the exit before the indicated time
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// returning the total number of deleted items.
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DeleteAllFinishedTransferQueueItems(ctx context.Context, before time.Time) (count int64, err error)
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// DeleteFinishedExitProgress deletes exit progress entries for nodes that
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// finished exiting before the indicated time, returns number of deleted entries.
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DeleteFinishedExitProgress(ctx context.Context, before time.Time) (count int64, err error)
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// GetFinishedExitNodes gets nodes that are marked having finished graceful exit before a given time.
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GetFinishedExitNodes(ctx context.Context, before time.Time) (finishedNodes []storj.NodeID, err error)
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// GetTransferQueueItem gets a graceful exit transfer queue entry.
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GetTransferQueueItem(ctx context.Context, nodeID storj.NodeID, key metabase.SegmentKey, pieceNum int32) (*TransferQueueItem, error)
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// GetIncomplete gets incomplete graceful exit transfer queue entries ordered by durability ratio and queued date ascending.
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GetIncomplete(ctx context.Context, nodeID storj.NodeID, limit int, offset int64) ([]*TransferQueueItem, error)
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// GetIncompleteNotFailed gets incomplete graceful exit transfer queue entries in the database ordered by durability ratio and queued date ascending.
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GetIncompleteNotFailed(ctx context.Context, nodeID storj.NodeID, limit int, offset int64) ([]*TransferQueueItem, error)
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// GetIncompleteNotFailed gets incomplete graceful exit transfer queue entries that have failed <= maxFailures times, ordered by durability ratio and queued date ascending.
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GetIncompleteFailed(ctx context.Context, nodeID storj.NodeID, maxFailures int, limit int, offset int64) ([]*TransferQueueItem, error)
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// IncrementOrderLimitSendCount increments the number of times a node has been sent an order limit for transferring.
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IncrementOrderLimitSendCount(ctx context.Context, nodeID storj.NodeID, key metabase.SegmentKey, pieceNum int32) error
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// CountFinishedTransferQueueItemsByNode return a map of the nodes which has
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// finished the exit before the indicated time but there are at least one item
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// left in the transfer queue.
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CountFinishedTransferQueueItemsByNode(ctx context.Context, before time.Time) (map[storj.NodeID]int64, error)
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}
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