100 lines
2.3 KiB
Go
100 lines
2.3 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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"github.com/spacemonkeygo/monkit/v3"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/storj/multinode"
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"storj.io/storj/multinode/console"
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"storj.io/storj/multinode/multinodedb/dbx"
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"storj.io/storj/private/dbutil"
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"storj.io/storj/private/dbutil/pgutil"
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)
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var (
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// ensures that multinodeDB implements multinode.DB.
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_ multinode.DB = (*multinodeDB)(nil)
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mon = monkit.Package()
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// Error is the default multinodedb errs class.
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Error = errs.Class("multinodedb internal error")
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)
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// multinodeDB combines access to different database tables with a record
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// of the db driver, db implementation, and db source URL.
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// Implementation of multinode.DB interface.
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//
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// architecture: Master Database
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type multinodeDB struct {
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*dbx.DB
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log *zap.Logger
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driver string
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implementation dbutil.Implementation
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source string
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}
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// Open creates instance of database supports postgres.
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func Open(ctx context.Context, log *zap.Logger, databaseURL string) (multinode.DB, error) {
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driver, source, implementation, err := dbutil.SplitConnStr(databaseURL)
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if err != nil {
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return nil, err
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}
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// TODO: do we need cockroach implementation?
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if implementation != dbutil.Postgres && implementation != dbutil.Cockroach {
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return nil, Error.New("unsupported driver %q", driver)
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}
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source, err = pgutil.CheckApplicationName(source, "storagenode-multinode")
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if err != nil {
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return nil, err
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}
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dbxDB, err := dbx.Open(driver, source)
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if err != nil {
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return nil, Error.New("failed opening database via DBX at %q: %v",
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source, err)
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}
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log.Debug("Connected to:", zap.String("db source", source))
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dbutil.Configure(ctx, dbxDB.DB, "multinodedb", mon)
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core := &multinodeDB{
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DB: dbxDB,
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log: log,
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driver: driver,
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implementation: implementation,
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source: source,
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}
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return core, nil
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}
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// Nodes returns nodes database.
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func (db *multinodeDB) Nodes() console.Nodes {
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return &nodes{
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methods: db,
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}
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}
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// Members returns members database.
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func (db *multinodeDB) Members() console.Members {
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return &members{
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methods: db,
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}
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}
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// CreateSchema creates schema.
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func (db *multinodeDB) CreateSchema(ctx context.Context) error {
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_, err := db.ExecContext(ctx, db.DB.Schema())
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return err
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}
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