126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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package multinodedb
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import (
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"context"
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"database/sql"
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"errors"
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"github.com/zeebo/errs"
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"storj.io/common/storj"
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"storj.io/storj/multinode/multinodedb/dbx"
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"storj.io/storj/multinode/nodes"
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)
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// ErrNodesDB indicates about internal NodesDB error.
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var ErrNodesDB = errs.Class("NodesDB error")
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// ensures that nodesdb implements console.Nodes.
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var _ nodes.DB = (*nodesdb)(nil)
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// nodesdb exposes needed by MND NodesDB functionality.
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// dbx implementation of console.Nodes.
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//
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// architecture: Database
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type nodesdb struct {
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methods dbx.Methods
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}
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// List returns all connected nodes.
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func (n *nodesdb) List(ctx context.Context) (allNodes []nodes.Node, err error) {
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defer mon.Task()(&ctx)(&err)
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dbxNodes, err := n.methods.All_Node(ctx)
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if err != nil {
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return []nodes.Node{}, ErrNodesDB.Wrap(err)
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}
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if len(dbxNodes) == 0 {
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return []nodes.Node{}, nodes.ErrNoNode.New("no nodes")
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}
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for _, dbxNode := range dbxNodes {
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node, err := fromDBXNode(ctx, dbxNode)
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if err != nil {
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return []nodes.Node{}, ErrNodesDB.Wrap(err)
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}
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allNodes = append(allNodes, node)
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}
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return allNodes, ErrNodesDB.Wrap(err)
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}
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// Get return node from NodesDB by its id.
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func (n *nodesdb) Get(ctx context.Context, id storj.NodeID) (_ nodes.Node, err error) {
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defer mon.Task()(&ctx)(&err)
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dbxNode, err := n.methods.Get_Node_By_Id(ctx, dbx.Node_Id(id.Bytes()))
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return nodes.Node{}, nodes.ErrNoNode.Wrap(err)
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}
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return nodes.Node{}, ErrNodesDB.Wrap(err)
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}
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node, err := fromDBXNode(ctx, dbxNode)
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return node, ErrNodesDB.Wrap(err)
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}
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// Add creates new node in NodesDB.
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func (n *nodesdb) Add(ctx context.Context, id storj.NodeID, apiSecret []byte, publicAddress string) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = n.methods.Create_Node(
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ctx,
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dbx.Node_Id(id.Bytes()),
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dbx.Node_Name(""),
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dbx.Node_PublicAddress(publicAddress),
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dbx.Node_ApiSecret(apiSecret),
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)
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return ErrNodesDB.Wrap(err)
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}
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// Remove removed node from NodesDB.
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func (n *nodesdb) Remove(ctx context.Context, id storj.NodeID) (err error) {
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defer mon.Task()(&ctx)(&err)
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_, err = n.methods.Delete_Node_By_Id(ctx, dbx.Node_Id(id.Bytes()))
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return ErrNodesDB.Wrap(err)
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}
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// UpdateName will update name of the specified node in database.
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func (n *nodesdb) UpdateName(ctx context.Context, id storj.NodeID, name string) (err error) {
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defer mon.Task()(&ctx)(&err)
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err = n.methods.UpdateNoReturn_Node_By_Id(ctx, dbx.Node_Id(id.Bytes()), dbx.Node_Update_Fields{
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Name: dbx.Node_Name(name),
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})
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return ErrNodesDB.Wrap(err)
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}
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// fromDBXNode converts dbx.Node to console.Node.
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func fromDBXNode(ctx context.Context, node *dbx.Node) (_ nodes.Node, err error) {
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defer mon.Task()(&ctx)(&err)
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id, err := storj.NodeIDFromBytes(node.Id)
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if err != nil {
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return nodes.Node{}, err
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}
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result := nodes.Node{
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ID: id,
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APISecret: node.ApiSecret,
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Name: node.Name,
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PublicAddress: node.PublicAddress,
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}
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return result, nil
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}
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