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add circuit breaker module #5

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Jul 22, 2024
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120 changes: 120 additions & 0 deletions circuit/circuits.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,120 @@
package http

import (
"fmt"
"github.com/afex/hystrix-go/hystrix"
"time"
)

type CircuitFunc func() error
type CircuitErrorFilter func(error) (bool, error)

type CircuitConfig struct {
Name string
Timeout int
MaxConcurrentRequests int
ErrorPercentThreshold int
RequestVolumeThreshold int
SleepWindow int
Commands []string
}

type Circuit struct {
config CircuitConfig
}

func NewCircuit(c CircuitConfig) *Circuit {
hystrixConfig := hystrix.CommandConfig{
Timeout: c.Timeout,
MaxConcurrentRequests: c.MaxConcurrentRequests,
ErrorPercentThreshold: c.ErrorPercentThreshold,
RequestVolumeThreshold: c.RequestVolumeThreshold,
SleepWindow: c.SleepWindow,
}

for _, command := range c.Commands {
hystrix.ConfigureCommand(fmt.Sprintf("%s:%s", c.Name, command), hystrixConfig)
}

return &Circuit{
config: c,
}
}

func (c *Circuit) Do(command string, fu CircuitFunc, fallback func(error) error, fi ...CircuitErrorFilter) error {
var e error
var ok bool

function := func() error {

err := fu()

for _, filter := range fi {
if ok, e = filter(err); ok {
return err
}
}

if len(fi) > 0 {
return nil
}

return err
}

hystrixErr := hystrix.Do(fmt.Sprintf("%s:%s", c.config.Name, command), function, fallback)

if hystrixErr != nil {
return hystrixErr
}

if e != nil {
return e
}

return nil
}

func (c *Circuit) DoR(command string, fu CircuitFunc, fallback func(error) error, retry int, delay time.Duration, fi ...CircuitErrorFilter) error {
var e error
var ok bool

filter := func() error {
err := fu()

for _, filter := range fi {
if ok, e = filter(err); ok {
return err
}
}

if len(fi) > 0 {
return nil
}

return err
}

function := func() error {
err := filter()

for c := 0; c < retry && err != nil; c++ {
time.Sleep(delay)
err = filter()
}

return err
}

hystrixErr := hystrix.Do(fmt.Sprintf("%s:%s", c.config.Name, command), function, fallback)

if hystrixErr != nil {
return hystrixErr
}

if e != nil {
return e
}

return nil
}
5 changes: 4 additions & 1 deletion go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,10 @@ toolchain go1.21.1

require (
github.com/Trendyol/kafka-konsumer/v2 v2.3.3
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5
github.com/go-playground/validator/v10 v10.22.0
github.com/go-resty/resty/v2 v2.13.1
github.com/gofiber/fiber/v2 v2.52.4
github.com/gofiber/fiber/v2 v2.52.5
github.com/google/uuid v1.5.0
github.com/segmentio/kafka-go v0.4.47
github.com/spf13/cast v1.6.0
Expand Down Expand Up @@ -54,8 +55,10 @@ require (
github.com/prometheus/procfs v0.11.0 // indirect
github.com/rivo/uniseg v0.4.4 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect
github.com/rogpeppe/go-internal v1.11.0 // indirect
github.com/sagikazarmark/locafero v0.4.0 // indirect
github.com/sagikazarmark/slog-shim v0.1.0 // indirect
github.com/smartystreets/goconvey v1.8.1 // indirect
github.com/sourcegraph/conc v0.3.0 // indirect
github.com/spf13/afero v1.11.0 // indirect
github.com/spf13/pflag v1.0.5 // indirect
Expand Down
18 changes: 14 additions & 4 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ github.com/Trendyol/kafka-konsumer/v2 v2.3.3 h1:9l4ODhLkn7/MjiJzrItakAgz0ZbcW9fS
github.com/Trendyol/kafka-konsumer/v2 v2.3.3/go.mod h1:HgAQ9WF5WIxMPtXBEapRHCgbnd7pe5G/QFIa/NhQu78=
github.com/Trendyol/otel-kafka-konsumer v0.0.7 h1:sT1TE2rgfsdrJWrXKz5j6dPkKJsvP+Tv0Dea4ORqJ+4=
github.com/Trendyol/otel-kafka-konsumer v0.0.7/go.mod h1:zdCaFclzRCO9fzcjxkHrWOB3I2+uTPrmkq4zczkD1F0=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5 h1:rFw4nCn9iMW+Vajsk51NtYIcwSTkXr+JGrMd36kTDJw=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
github.com/ansrivas/fiberprometheus/v2 v2.6.1 h1:wac3pXaE6BYYTF04AC6K0ktk6vCD+MnDOJZ3SK66kXM=
Expand Down Expand Up @@ -41,8 +43,8 @@ github.com/go-resty/resty/v2 v2.13.1 h1:x+LHXBI2nMB1vqndymf26quycC4aggYJ7DECYbiz
github.com/go-resty/resty/v2 v2.13.1/go.mod h1:GznXlLxkq6Nh4sU59rPmUw3VtgpO3aS96ORAI6Q7d+0=
github.com/gofiber/adaptor/v2 v2.2.1 h1:givE7iViQWlsTR4Jh7tB4iXzrlKBgiraB/yTdHs9Lv4=
github.com/gofiber/adaptor/v2 v2.2.1/go.mod h1:AhR16dEqs25W2FY/l8gSj1b51Azg5dtPDmm+pruNOrc=
github.com/gofiber/fiber/v2 v2.52.4 h1:P+T+4iK7VaqUsq2PALYEfBBo6bJZ4q3FP8cZ84EggTM=
github.com/gofiber/fiber/v2 v2.52.4/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
github.com/gofiber/fiber/v2 v2.52.5 h1:tWoP1MJQjGEe4GB5TUGOi7P2E0ZMMRx5ZTG4rT+yGMo=
github.com/gofiber/fiber/v2 v2.52.5/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
Expand All @@ -52,8 +54,12 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gopherjs/gopherjs v1.17.2 h1:fQnZVsXk8uxXIStYb0N4bGk7jeyTalG/wsZjQ25dO0g=
github.com/gopherjs/gopherjs v1.17.2/go.mod h1:pRRIvn/QzFLrKfvEz3qUuEhtE/zLCWfreZ6J5gM2i+k=
github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/klauspost/compress v1.17.0 h1:Rnbp4K9EjcDuVuHtd0dgA4qNuv9yKDYKK1ulpJwgrqM=
github.com/klauspost/compress v1.17.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
Expand Down Expand Up @@ -97,14 +103,18 @@ github.com/rivo/uniseg v0.4.4 h1:8TfxU8dW6PdqD27gjM8MVNuicgxIjxpm4K7x4jp8sis=
github.com/rivo/uniseg v0.4.4/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
github.com/segmentio/kafka-go v0.4.47 h1:IqziR4pA3vrZq7YdRxaT3w1/5fvIH5qpCwstUanQQB0=
github.com/segmentio/kafka-go v0.4.47/go.mod h1:HjF6XbOKh0Pjlkr5GVZxt6CsjjwnmhVOfURM5KMd8qg=
github.com/smarty/assertions v1.15.0 h1:cR//PqUBUiQRakZWqBiFFQ9wb8emQGDb0HeGdqGByCY=
github.com/smarty/assertions v1.15.0/go.mod h1:yABtdzeQs6l1brC900WlRNwj6ZR55d7B+E8C6HtKdec=
github.com/smartystreets/goconvey v1.8.1 h1:qGjIddxOk4grTu9JPOU31tVfq3cNdBlNa5sSznIX1xY=
github.com/smartystreets/goconvey v1.8.1/go.mod h1:+/u4qLyY6x1jReYOp7GOM2FSt8aP9CzCZL03bI28W60=
github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
Expand Down