69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
package sql
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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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"log/slog"
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"code.icb4dc0.de/prskr/nurse/check"
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"code.icb4dc0.de/prskr/nurse/config"
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"code.icb4dc0.de/prskr/nurse/grammar"
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"code.icb4dc0.de/prskr/nurse/internal/retry"
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"code.icb4dc0.de/prskr/nurse/validation"
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)
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var _ check.SystemChecker = (*SelectCheck)(nil)
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type SelectCheck struct {
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*sql.DB
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validators validation.Validator[*sql.Rows]
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Query string
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}
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func (s *SelectCheck) UnmarshalCheck(c grammar.Check, lookup config.ServerLookup) error {
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const serverAndKeyArgsNumber = 2
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inst := c.Initiator
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if err := grammar.ValidateParameterCount(inst.Params, serverAndKeyArgsNumber); err != nil {
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return err
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}
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var err error
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if s.DB, err = dbFromParam(inst.Params[0], lookup); err != nil {
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return err
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}
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if s.Query, err = inst.Params[1].AsString(); err != nil {
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return err
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}
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if s.validators, err = registry.ValidatorsForFilters(c.Validators); err != nil {
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return err
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}
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return nil
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}
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func (s *SelectCheck) Execute(ctx check.Context) error {
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logger := slog.Default().With(
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slog.String("check", "sql.SELECT"),
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slog.String("query", s.Query),
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)
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return retry.Retry(ctx, ctx.AttemptCount(), ctx.AttemptTimeout(), func(ctx context.Context, attempt int) error {
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logger.Debug("Execute check", slog.Int("attempt", attempt))
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logger.Debug("")
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rows, err := s.QueryContext(ctx, s.Query)
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if err != nil {
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return err
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}
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defer func() {
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err = errors.Join(rows.Close(), rows.Err())
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}()
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return s.validators.Validate(rows)
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})
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}
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