32 lines
830 B
Go
32 lines
830 B
Go
package circuitbreaker
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import (
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"context"
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"github.com/afex/hystrix-go/hystrix"
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"github.com/go-kit/kit/endpoint"
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)
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// Hystrix returns an endpoint.Middleware that implements the circuit
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// breaker pattern using the afex/hystrix-go package.
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//
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// When using this circuit breaker, please configure your commands separately.
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//
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// See https://godoc.org/github.com/afex/hystrix-go/hystrix for more
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// information.
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func Hystrix(commandName string) endpoint.Middleware {
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return func(next endpoint.Endpoint) endpoint.Endpoint {
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return func(ctx context.Context, request interface{}) (response interface{}, err error) {
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var resp interface{}
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if err := hystrix.Do(commandName, func() (err error) {
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resp, err = next(ctx, request)
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return err
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}, nil); err != nil {
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return nil, err
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}
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return resp, nil
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}
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}
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}
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