Merge pull request #42 from splitio/http_healthcheck

http healtcheck

Author: sanzmauro

CHANGES

@@ -1,4 +1,8 @@
-1.5.0 (Jan 17, 2025):
+1.6.0 (Feb 5, 2025)
+- Added Health & Readiness endpoints.
+- Fixing vulnerabilities.
+
+1.5.0 (Jan 29, 2025):
 - Added support for the new impressions tracking toggle available on feature flags, both respecting the setting and including the new field being returned on SplitView type objects. Read more in our docs.
 
 1.4.0 (May 14, 2024):

cmd/splitd/main.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/splitio/go-toolkit/v5/logging"
 	"github.com/splitio/splitd/splitio"
+	"github.com/splitio/splitd/splitio/api"
 	"github.com/splitio/splitd/splitio/conf"
 	"github.com/splitio/splitd/splitio/link"
 	"github.com/splitio/splitd/splitio/sdk"
@@ -58,6 +59,9 @@ func main() {
 		}()
 	}
 
+	// launch api in BG (errors will be logged but won't abort execution of app)
+	go startAPI(logger, cfg.API, *linkCFG)
+
 	// Wait for connection to end (either gracefully of because of an error)
 	err = <-errc
 	exitOnErr("shutdown: ", err)
@@ -84,3 +88,15 @@ func exitOnErr(ctxStr string, err error) {
 	}
 
 }
+
+func startAPI(logger logging.LoggerInterface, apiCFG conf.API, linkCFG link.ListenerOptions) {
+	server, err := api.Setup(apiCFG.Host, apiCFG.Port, logger, linkCFG)
+	if err != nil {
+		logger.Error("error creating HTTP server:", err.Error())
+		return
+	}
+
+	if err = server.ListenAndServe(); err != nil {
+		logger.Error("error starting http server:", err.Error())
+	}
+}

go.mod

@@ -1,22 +1,48 @@
 module github.com/splitio/splitd
 
-go 1.21
+go 1.23.6
 
 require (
+	github.com/gin-gonic/gin v1.10.0
 	github.com/splitio/go-split-commons/v6 v6.1.0
 	github.com/splitio/go-toolkit/v5 v5.4.0
 	github.com/stretchr/testify v1.9.0
 	github.com/vmihailenco/msgpack/v5 v5.3.5
-	golang.org/x/sync v0.3.0
+	golang.org/x/sync v0.10.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/bits-and-blooms/bitset v1.3.1 // indirect
 	github.com/bits-and-blooms/bloom/v3 v3.3.1 // indirect
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
 )

go.sum

@@ -2,33 +2,106 @@ github.com/bits-and-blooms/bitset v1.3.1 h1:y+qrlmq3XsWi+xZqSaueaE8ry8Y127iMxlMf
 github.com/bits-and-blooms/bitset v1.3.1/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/bits-and-blooms/bloom/v3 v3.3.1 h1:K2+A19bXT8gJR5mU7y+1yW6hsKfNCjcP2uNfLFKncjQ=
 github.com/bits-and-blooms/bloom/v3 v3.3.1/go.mod h1:bhUUknWd5khVbTe4UgMCSiOOVJzr3tMoijSK3WwvW90=
+github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
+github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
+github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=
+github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
+github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
+github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
+github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
+github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
+github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU=
+github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBExVwjEviJTixqxL8=
+github.com/go-playground/validator/v10 v10.20.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
+github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
+github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
+github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
+github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
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+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
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 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/splitio/go-split-commons/v6 v6.1.0 h1:k3mwr12DF6gbEaV8XXU/tSAQlPkIEuzIgTEneYhGg2I=
 github.com/splitio/go-split-commons/v6 v6.1.0/go.mod h1:D/XIY/9Hmfk9ivWsRsJVp439kEdmHbzUi3PKzQQDOXY=
 github.com/splitio/go-toolkit/v5 v5.4.0 h1:g5WFpRhQomnXCmvfsNOWV4s5AuUrWIZ+amM68G8NBKM=
 github.com/splitio/go-toolkit/v5 v5.4.0/go.mod h1:xYhUvV1gga9/1029Wbp5pjnR6Cy8nvBpjw99wAbsMko=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
 github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
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 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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+github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
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 github.com/twmb/murmur3 v1.1.6 h1:mqrRot1BRxm+Yct+vavLMou2/iJt0tNVTTC0QoIjaZg=
 github.com/twmb/murmur3 v1.1.6/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=
+github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65EE=
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 github.com/vmihailenco/msgpack/v5 v5.3.5/go.mod h1:7xyJ9e+0+9SaZT0Wt1RGleJXzli6Q/V5KbhBonMG9jc=
 github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
 github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
+golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
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+golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
+golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
-golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
-golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
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+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

infra/entrypoint.sh

@@ -73,6 +73,10 @@ fi
 [ ! -z ${SPLITD_LOG_LEVEL+x} ]  && accum=$(echo "${accum}" | yq '.logging.level = env(SPLITD_LOG_LEVEL)')
 [ ! -z ${SPLITD_LOG_OUTPUT+x} ] && accum=$(echo "${accum}" | yq '.logging.output = env(SPLITD_LOG_OUTPUT)')
 
+# API configs
+[ ! -z ${SPLITD_API_HOST+x} ]  && accum=$(echo "${accum}" | yq '.api.host = env(SPLITD_API_HOST)')
+[ ! -z ${SPLITD_API_PORT+x} ]  && accum=$(echo "${accum}" | yq '.api.port = env(SPLITD_API_PORT)')
+
 # profiling configs
 [ ! -z ${SPLITD_PROFILING_ENABLE+x} ]  && accum=$(echo "${accum}" | yq '.debug.profiling.enable = env(SPLITD_PROFILING_ENABLE)')
 [ ! -z ${SPLITD_PROFILING_HOST+x} ]  && accum=$(echo "${accum}" | yq '.debug.profiling.host = env(SPLITD_PROFILING_HOST)')

infra/sidecar.Dockerfile

@@ -1,35 +1,42 @@
 # ----- Builder image
-FROM golang:1.21.6-bookworm AS builder
+ARG GOLANG_VERSION=1.23.6
+FROM golang:${GOLANG_VERSION}-bookworm AS builder
 
 ARG FIPS_MODE
 ARG COMMIT_SHA
 
-RUN apt update -y
-RUN apt install -y build-essential ca-certificates python3 git socat
+RUN DEBIAN_FRONTEND=noninteractive \
+  apt-get update && \
+  apt-get install --no-install-recommends -y \
+  build-essential ca-certificates python3 git socat
 
 WORKDIR /splitd
 COPY . .
 
 RUN export GITHUB_SHA="${COMMIT_SHA}" && bash -c '\
-    if [[ "${FIPS_MODE}" = "enabled" ]]; \
-    then echo "building in fips mode"; make clean splitd-fips splitd.yaml.tpl EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"; mv splitd-fips splitd; \
-    else echo "building in standard mode"; make clean splitd splitd.yaml.tpl EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"; \
-    fi'
+  if [[ "${FIPS_MODE}" = "enabled" ]]; \
+  then echo "building in fips mode"; make clean splitd-fips splitd.yaml.tpl EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"; mv splitd-fips splitd; \
+  else echo "building in standard mode"; make clean splitd splitd.yaml.tpl EXTRA_BUILD_ARGS="${EXTRA_BUILD_ARGS}"; \
+  fi'
 
 # ----- Runner image
-FROM debian:12.4 AS runner
+FROM debian:bookworm-20250203-slim AS runner
 
-RUN apt update -y
-RUN apt install -y bash ca-certificates wget socat
+ARG YQ_VERSION=v4.44.6
 
-RUN wget https://github.com/mikefarah/yq/releases/download/v4.40.5/yq_linux_amd64
-RUN chmod +x yq_linux_amd64
-RUN mv yq_linux_amd64 /usr/local/bin/yq
+RUN DEBIAN_FRONTEND=noninteractive \
+  apt-get update && \
+  apt-get install --no-install-recommends -y \
+  bash ca-certificates wget socat && \
+  wget -O /usr/local/bin/yq \
+  "https://github.com/mikefarah/yq/releases/download/${YQ_VERSION}/yq_linux_amd64" && \
+  chmod +x /usr/local/bin/yq && \
+  mkdir -p /opt/splitd && \
+  rm -rf /var/lib/apt/lists/*
 
-RUN mkdir -p /opt/splitd
 COPY --from=builder /splitd/splitd /opt/splitd
 COPY --from=builder /splitd/splitd.yaml.tpl /opt/splitd
 COPY infra/entrypoint.sh /opt/splitd
 RUN chmod +x /opt/splitd/entrypoint.sh
 
-ENTRYPOINT ["/opt/splitd/entrypoint.sh"]
+ENTRYPOINT ["/opt/splitd/entrypoint.sh"]

infra/test/test_entrypoint.sh

@@ -53,6 +53,9 @@ function testAllVars {
     export SPLITD_EVENTS_REFRESH_SECS="11"
     export SPLITD_EVENTS_QUEUE_SIZE="12"
 
+    export SPLITD_API_HOST="someHost"
+    export SPLITD_API_PORT="1111"
+
     export SPLITD_PROFILING_ENABLE="true"
     export SPLITD_PROFILING_HOST="somehost"
     export SPLITD_PROFILING_PORT="1234"
@@ -99,6 +102,11 @@ function testAllVars {
     assert_eq "4" $(echo "$conf_json" | jq '.Link.AcceptTimeoutMS') "incorrect accept timeout"
     assert_eq "5" $(echo "$conf_json" | jq '.Link.BufferSize') "incorrect buffer size"
 
+    # ---
+    
+    assert_eq '"someHost"' $(echo "$conf_json" | jq '.API.Host') "incorrect api host"
+    assert_eq "1111" $(echo "$conf_json" | jq '.API.Port') "incorrect api port"
+
     # ---
 
     assert_eq "true" $(echo "$conf_json" | jq '.Debug.Profiling.Enable') "incorrect profiling status"

splitd.yaml.tpl

@@ -30,6 +30,7 @@ sdk:
     events:
         refreshRateSeconds: 60
         queueSize: 8192
+    flagSetsFilter: []
 link:
     type: unix-seqpacket
     address: /var/run/splitd.sock
@@ -45,4 +46,7 @@ debug:
         enable: false
         host: localhost
         port: 8888
+api:
+    host: 0.0.0.0
+    port: 8887
 

splitio/api/api.go

@@ -0,0 +1,37 @@
+package api
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/splitio/go-toolkit/v5/logging"
+	"github.com/splitio/splitd/splitio/api/controllers"
+	"github.com/splitio/splitd/splitio/link"
+	"github.com/splitio/splitd/splitio/link/client"
+)
+
+func Setup(host string, port int, logger logging.LoggerInterface, listenerCfG link.ListenerOptions) (*http.Server, error) {
+
+	router := gin.Default()
+	mainAPI := router.Group("/api")
+
+	healthCtrl := controllers.NewHealthController(logger, link.ConsumerOptions{
+		Transfer: listenerCfG.Transfer,
+		Consumer: client.Options{
+			ID:                  strconv.Itoa(os.Getpid()),
+			Protocol:            listenerCfG.Protocol,
+			ImpressionsFeedback: false,
+		},
+		Serialization: listenerCfG.Serialization,
+	})
+
+	healthCtrl.Register(mainAPI)
+
+	return &http.Server{
+		Addr:    fmt.Sprintf("%s:%d", host, port),
+		Handler: router,
+	}, nil
+}

splitio/api/controllers/dtos.go

@@ -0,0 +1,13 @@
+package controllers
+
+type SplitViewDTO struct {
+	Name                string            `json:"name"`
+	TrafficType         string            `json:"trafficType"`
+	Killed              bool              `json:"killed"`
+	Treatments          []string          `json:"treatments"`
+	ChangeNumber        int64             `json:"changeNumber"`
+	Configs             map[string]string `json:"configs"`
+	DefaultTreatment    string            `json:"defaultTreatment"`
+	Sets                []string          `json:"sets"`
+	ImpressionsDisabled bool              `json:"impressionsDisabled"`
+}