65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package redis
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import (
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"context"
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"log/slog"
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"github.com/redis/go-redis/v9"
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"code.icb4dc0.de/prskr/nurse/internal/retry"
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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/validation"
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)
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var _ check.SystemChecker = (*GetCheck)(nil)
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type GetCheck struct {
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redis.UniversalClient
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validators validation.Validator[redis.Cmder]
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Key string
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}
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func (g *GetCheck) Execute(ctx check.Context) error {
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logger := slog.Default().With(
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slog.String("check", "redis.GET"),
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slog.String("key", g.Key),
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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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cmd := g.Get(ctx, g.Key)
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if err := cmd.Err(); err != nil {
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return err
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}
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return g.validators.Validate(cmd)
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})
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}
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func (g *GetCheck) 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 g.UniversalClient, err = clientFromParam(inst.Params[0], lookup); err != nil {
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return err
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}
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if g.Key, err = inst.Params[1].AsString(); err != nil {
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return err
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}
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if g.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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