nurse/protocols/redis/set.go

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package redis
import (
"context"
"log/slog"
"github.com/redis/go-redis/v9"
"code.icb4dc0.de/prskr/nurse/check"
"code.icb4dc0.de/prskr/nurse/config"
"code.icb4dc0.de/prskr/nurse/grammar"
"code.icb4dc0.de/prskr/nurse/internal/retry"
"code.icb4dc0.de/prskr/nurse/validation"
)
var _ check.SystemChecker = (*SetCheck)(nil)
type SetCheck struct {
redis.UniversalClient
validators validation.Validator[redis.Cmder]
Key, Value string
}
func (s *SetCheck) Execute(ctx check.Context) error {
logger := slog.Default().With(
slog.String("check", "redis.SET"),
slog.String("key", s.Key),
slog.String("value", s.Value),
)
return retry.Retry(ctx, ctx.AttemptCount(), ctx.AttemptTimeout(), func(ctx context.Context, attempt int) error {
logger.Debug("Execute check", slog.Int("attempt", attempt))
cmd := s.Set(ctx, s.Key, s.Value, -1)
if err := cmd.Err(); err != nil {
return err
}
return s.validators.Validate(cmd)
})
}
func (s *SetCheck) UnmarshalCheck(c grammar.Check, lookup config.ServerLookup) error {
const serverKeyAndValueArgsNumber = 3
inst := c.Initiator
if err := grammar.ValidateParameterCount(inst.Params, serverKeyAndValueArgsNumber); err != nil {
return err
}
var err error
if s.UniversalClient, err = clientFromParam(inst.Params[0], lookup); err != nil {
return err
}
if s.Key, err = inst.Params[1].AsString(); err != nil {
return err
}
if s.Value, err = inst.Params[2].AsString(); err != nil {
return err
}
if s.validators, err = registry.ValidatorsForFilters(c.Validators); err != nil {
return err
}
return nil
}