42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package main
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import (
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"context"
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"fmt"
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"io"
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"time"
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"felis.lolicon.best/internal/dbbackup"
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"felis.lolicon.best/internal/store"
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)
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// applyMigrations runs any pending schema migrations and returns the resulting
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// applied count. Used by the preflight stage to self-heal a freshly bootstrapped
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// (or upgraded) database.
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func applyMigrations(dbURL string) (int, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
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defer cancel()
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drv, err := store.Open(ctx, dbURL)
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if err != nil {
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return 0, fmt.Errorf("open db: %w", err)
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}
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defer drv.Close()
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migrations, err := store.LoadMigrations()
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if err != nil {
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return 0, err
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}
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// Same guard as `felis migrate up`: never roll a populated database forward
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// without a snapshot to roll back to.
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if _, err := preMigrateBackup(ctx, drv, migrations, dbURL, dbbackup.DefaultDir, io.Discard); err != nil {
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return 0, fmt.Errorf("pre-migration backup: %w", err)
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}
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if _, err := store.Up(ctx, drv, migrations); err != nil {
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return 0, err
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}
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s, err := store.ReadSchema(ctx, drv)
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if err != nil {
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return 0, err
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}
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return s.Applied, nil
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}
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