feat: support eureka registry (#464)

Signed-off-by: charlie <qianglin98@qq.com>

Makefile.core.mk

@@ -238,11 +238,15 @@ kube-load-image: $(tools/kind) ## Install the Higress image to a kind cluster us
 	tools/hack/docker-pull-image.sh registry.cn-hangzhou.aliyuncs.com/hinsteny/dubbo-provider-demo 0.0.1
 	tools/hack/docker-pull-image.sh registry.cn-hangzhou.aliyuncs.com/hinsteny/nacos-standlone-rc3 1.0.0-RC3
 	tools/hack/docker-pull-image.sh docker.io/hashicorp/consul 1.16.0
+	tools/hack/docker-pull-image.sh docker.io/charlie1380/eureka-registry-provider v0.3.0
+	tools/hack/docker-pull-image.sh docker.io/bitinit/eureka latest
 	tools/hack/docker-pull-image.sh registry.cn-hangzhou.aliyuncs.com/2456868764/httpbin 1.0.2
 	tools/hack/kind-load-image.sh registry.cn-hangzhou.aliyuncs.com/hinsteny/dubbo-provider-demo 0.0.1
 	tools/hack/kind-load-image.sh registry.cn-hangzhou.aliyuncs.com/hinsteny/nacos-standlone-rc3 1.0.0-RC3
 	tools/hack/kind-load-image.sh docker.io/hashicorp/consul 1.16.0
 	tools/hack/kind-load-image.sh registry.cn-hangzhou.aliyuncs.com/2456868764/httpbin 1.0.2
+	tools/hack/kind-load-image.sh docker.io/charlie1380/eureka-registry-provider v0.3.0
+	tools/hack/kind-load-image.sh docker.io/bitinit/eureka latest
 # run-higress-e2e-test starts to run ingress e2e tests.
 .PHONY: run-higress-e2e-test
 run-higress-e2e-test:

go.mod

@@ -17,6 +17,7 @@ replace github.com/imdario/mergo => github.com/imdario/mergo v0.3.5
 
 require (
 	github.com/agiledragon/gomonkey/v2 v2.9.0
+	github.com/avast/retry-go/v4 v4.3.4
 	github.com/dubbogo/go-zookeeper v1.0.4-0.20211212162352-f9d2183d89d5
 	github.com/dubbogo/gost v1.13.1
 	github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1
@@ -26,6 +27,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/hashicorp/consul/api v1.23.0
 	github.com/hashicorp/go-multierror v1.1.1
+	github.com/hudl/fargo v1.4.0
 	github.com/nacos-group/nacos-sdk-go v1.0.8
 	github.com/nacos-group/nacos-sdk-go/v2 v2.1.2
 	github.com/pkg/errors v0.9.1
@@ -78,6 +80,7 @@ require (
 	github.com/census-instrumentation/opencensus-proto v0.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5 // indirect
+	github.com/clbanning/mxj v1.8.4 // indirect
 	github.com/cncf/xds/go v0.0.0-20220520190051-1e77728a1eaa // indirect
 	github.com/containerd/continuity v0.1.0 // indirect
 	github.com/coreos/go-oidc/v3 v3.1.0 // indirect
@@ -93,6 +96,7 @@ require (
 	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
 	github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d // indirect
 	github.com/fatih/color v1.14.1 // indirect
+	github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8 // indirect
 	github.com/fsnotify/fsnotify v1.5.1 // indirect
 	github.com/fvbommel/sortorder v1.0.1 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
@@ -144,6 +148,7 @@ require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
+	github.com/miekg/dns v1.1.43 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.0 // indirect
@@ -155,6 +160,7 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/natefinch/lumberjack v2.0.0+incompatible // indirect
+	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.1 // indirect
 	github.com/opencontainers/runc v1.0.2 // indirect
@@ -194,10 +200,12 @@ require (
 	google.golang.org/api v0.59.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20211020151524-b7c3a969101a // indirect
+	gopkg.in/gcfg.v1 v1.2.3 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.66.2 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apiextensions-apiserver v0.22.2 // indirect
 	k8s.io/component-base v0.22.2 // indirect

go.sum

@@ -188,6 +188,8 @@ github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6l
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20200428143746-21a406dcc535/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
+github.com/avast/retry-go/v4 v4.3.4 h1:pHLkL7jvCvP317I8Ge+Km2Yhntv3SdkJm7uekkqbKhM=
+github.com/avast/retry-go/v4 v4.3.4/go.mod h1:rv+Nla6Vk3/ilU0H51VHddWHiwimzX66yZ0JT6T+UvE=
 github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
 github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
@@ -252,6 +254,8 @@ github.com/cilium/ebpf v0.5.0/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJ
 github.com/cilium/ebpf v0.6.2/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJXRs=
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
+github.com/clbanning/mxj v1.8.4 h1:HuhwZtbyvyOw+3Z1AowPkU87JkJUSv751ELWaiTpj8I=
+github.com/clbanning/mxj v1.8.4/go.mod h1:BVjHeAH+rl9rs6f+QIpeRl0tfu10SXn1pUSa5PVGJng=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
@@ -467,6 +471,9 @@ github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoD
 github.com/form3tech-oss/jwt-go v3.2.3+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
+github.com/franela/goblin v0.0.0-20210519012713-85d372ac71e2 h1:cZqz+yOJ/R64LcKjNQOdARott/jP7BnUQ9Ah7KaZCvw=
+github.com/franela/goblin v0.0.0-20210519012713-85d372ac71e2/go.mod h1:VzmDKDJVZI3aJmnRI9VjAn9nJ8qPPsN1fqzr9dqInIo=
+github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8 h1:a9ENSRDFBUPkJ5lCgVZh26+ZbGyoVJG7yb5SSzF5H54=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
 github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -708,6 +715,7 @@ github.com/googleapis/gnostic v0.5.1/go.mod h1:6U4PtQXGIEt/Z3h5MAT7FNofLnw9vXk2c
 github.com/googleapis/gnostic v0.5.5 h1:9fHAtK0uDfpveeqqo1hkEZJcFvYXAiCN3UutL8F9xHw=
 github.com/googleapis/gnostic v0.5.5/go.mod h1:7+EbHbldMins07ALC74bsA81Ovc97DwqyJO1AENw9kA=
 github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
 github.com/gorilla/handlers v0.0.0-20150720190736-60c7bfde3e33/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
@@ -792,6 +800,8 @@ github.com/huandu/xstrings v1.3.1/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq
 github.com/huandu/xstrings v1.3.2 h1:L18LIDzqlW6xN2rEkpdV8+oL/IXWJ1APd+vsdYy4Wdw=
 github.com/huandu/xstrings v1.3.2/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
+github.com/hudl/fargo v1.4.0 h1:ZDDILMbB37UlAVLlWcJ2Iz1XuahZZTDZfdCKeclfq2s=
+github.com/hudl/fargo v1.4.0/go.mod h1:9Ai6uvFy5fQNq6VPKtg+Ceq1+eTY4nKUlR2JElEOcDo=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.5 h1:JboBksRwiiAJWvIYJVo46AfV+IAIKZpfrSzVKj42R4Q=
@@ -843,6 +853,7 @@ github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnr
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
+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/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
@@ -1088,6 +1099,7 @@ github.com/onsi/gomega v1.14.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+t
 github.com/onsi/gomega v1.15.0/go.mod h1:cIuvLEne0aoVhAgh/O6ac0Op8WWw9H6eYCriF+tEHG0=
 github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c=
 github.com/onsi/gomega v1.16.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
+github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 h1:lDH9UUVJtmYCjyT0CI4q8xvlXPxeZ0gYCVvWbmPlp88=
 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
 github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
@@ -1270,8 +1282,10 @@ github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrf
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/soheilhy/cmux v0.1.5-0.20210205191134-5ec6847320e5/go.mod h1:T7TcVDs9LWfQgPlPsdngu6I6QIoyIFZDDC6sNE1GqG0=
@@ -1312,7 +1326,9 @@ github.com/stretchr/objx v0.0.0-20180129172003-8a3f7159479f/go.mod h1:HFkY916IF+
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v0.0.0-20180303142811-b89eecf5ca5d/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -1320,7 +1336,10 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
 github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
@@ -2081,6 +2100,7 @@ gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EV
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gcfg.v1 v1.2.3 h1:m8OOJ4ccYHnx2f4gQwpno8nAX5OGOh7RLaaz0pj3Ogs=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
@@ -2099,6 +2119,7 @@ gopkg.in/square/go-jose.v2 v2.6.0 h1:NGk74WTnPKBNUhNzQX7PYcTLUjoq7mzKk2OKbvwk2iI
 gopkg.in/square/go-jose.v2 v2.6.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

registry/eureka/client/http_client.go

@@ -0,0 +1,204 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package client
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/avast/retry-go/v4"
+	"github.com/hudl/fargo"
+	"istio.io/pkg/log"
+)
+
+var httpClient = http.DefaultClient
+
+type EurekaHttpClient interface {
+	GetApplications() (*Applications, error)
+	GetApplication(name string) (*fargo.Application, error)
+	ScheduleAppUpdates(name string, stop <-chan struct{}) <-chan fargo.AppUpdate
+	GetDelta() (*Applications, error)
+}
+
+func NewEurekaHttpClient(config EurekaHttpConfig) EurekaHttpClient {
+	return &eurekaHttpClient{config}
+}
+
+type EurekaHttpConfig struct {
+	BaseUrl               string
+	ConnectTimeoutSeconds int // default 30
+	PollInterval          int //default 30
+	Retries               int // default 3
+	RetryDelayTime        int // default 100ms
+	EnableDelta           bool
+}
+
+func NewDefaultConfig() EurekaHttpConfig {
+	return EurekaHttpConfig{
+		ConnectTimeoutSeconds: 10,
+		PollInterval:          30,
+		EnableDelta:           true,
+		Retries:               3,
+		RetryDelayTime:        100,
+	}
+}
+
+type eurekaHttpClient struct {
+	EurekaHttpConfig
+}
+
+func (e *eurekaHttpClient) GetApplications() (*Applications, error) {
+	return e.getApplications("/apps")
+}
+
+func (e *eurekaHttpClient) GetApplication(name string) (*fargo.Application, error) {
+	return e.getApplication("/apps/" + name)
+}
+
+func (e *eurekaHttpClient) ScheduleAppUpdates(name string, stop <-chan struct{}) <-chan fargo.AppUpdate {
+	updates := make(chan fargo.AppUpdate)
+
+	consume := func(app *fargo.Application, err error) {
+		// Drop attempted sends when the consumer hasn't received the last buffered update
+		select {
+		case updates <- fargo.AppUpdate{App: app, Err: err}:
+		default:
+		}
+	}
+
+	go func() {
+		ticker := time.NewTicker(time.Duration(e.PollInterval) * time.Second)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-stop:
+				close(updates)
+				return
+			case <-ticker.C:
+				consume(e.GetApplication(name))
+			}
+		}
+	}()
+
+	return updates
+}
+
+func (e *eurekaHttpClient) GetDelta() (*Applications, error) {
+	if !e.EnableDelta {
+		return nil, fmt.Errorf("failed to get DeltaAppliation, enableDelta is false")
+	}
+	return e.getApplications("/apps/delta")
+}
+
+func (c *eurekaHttpClient) getApplications(path string) (*Applications, error) {
+	res, code, err := c.request(path)
+	if err != nil {
+		log.Errorf("Failed to get applications, err: %v", err)
+		return nil, err
+	}
+
+	if code != 200 {
+		log.Warnf("Failed to get applications, http code : %v", code)
+	}
+
+	var rj fargo.GetAppsResponseJson
+	if err = json.Unmarshal(res, &rj); err != nil {
+		log.Errorf("Failed to unmarshal response body to fargo.GetAppResponseJosn, error: %v", err)
+		return nil, err
+	}
+
+	apps := map[string]*fargo.Application{}
+	for idx := range rj.Response.Applications {
+		app := rj.Response.Applications[idx]
+		apps[app.Name] = app
+	}
+
+	for name, app := range apps {
+		log.Debugf("Parsing metadata for app %v", name)
+		if err := app.ParseAllMetadata(); err != nil {
+			return nil, err
+		}
+	}
+
+	return &Applications{
+		Apps:         apps,
+		HashCode:     rj.Response.AppsHashcode,
+		VersionDelta: rj.Response.VersionsDelta,
+	}, nil
+}
+
+func (c *eurekaHttpClient) getApplication(path string) (*fargo.Application, error) {
+	res, code, err := c.request(path)
+	if err != nil {
+		log.Errorf("Failed to get application, err: %v", err)
+		return nil, err
+	}
+
+	if code != 200 {
+		log.Warnf("Failed to get application, http code : %v", code)
+	}
+
+	var rj fargo.GetAppResponseJson
+	if err = json.Unmarshal(res, &rj); err != nil {
+		log.Errorf("Failed to unmarshal response body to fargo.GetAppResponseJson, error: %v", err)
+		return nil, err
+	}
+
+	return &rj.Application, nil
+}
+
+func (c *eurekaHttpClient) request(urlPath string) ([]byte, int, error) {
+	req, err := http.NewRequest("GET", c.getUrl(urlPath), nil)
+	if err != nil {
+		log.Errorf("Failed to new a Request, error: %v", err.Error())
+		return nil, -1, err
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "application/json")
+
+	retryConfig := []retry.Option{
+		retry.Attempts(uint(c.Retries)),
+		retry.Delay(time.Duration(c.RetryDelayTime)),
+	}
+
+	resp := &http.Response{}
+	err = retry.Do(func() error {
+		resp, err = httpClient.Do(req)
+		return err
+	}, retryConfig...)
+
+	if err != nil {
+		log.Errorf("Failed to get response from eureka-server, error : %v", err)
+		return nil, -1, err
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Errorf("Failed to read request body, error : %v", err)
+		return nil, -1, err
+	}
+
+	log.Infof("Get eureka response from url=%v", req.URL)
+	return body, resp.StatusCode, nil
+}
+
+func (c *eurekaHttpClient) getUrl(path string) string {
+	return "http://" + c.BaseUrl + "/eureka" + path
+}

registry/eureka/client/plan.go

@@ -0,0 +1,80 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package client
+
+import (
+	"github.com/hudl/fargo"
+	"istio.io/pkg/log"
+)
+
+type Handler func(application *fargo.Application) error
+
+/*
+ * Plan can be used to get the latest information of a service
+ *
+ *                       (service B)  ┌──────┐
+ *                      ┌────────────►│Plan B│
+ *                      │   Timer     └──────┘
+ *                      │
+ * ┌───────────────┐    │
+ * │ eureka-server ├────┤
+ * └───────────────┘    │
+ *                      │
+ *                      │
+ *                      │(service A)  ┌──────┐
+ *                      └────────────►│Plan A│
+ *                          Timer     └──────┘
+ */
+
+type Plan struct {
+	client  EurekaHttpClient
+	stop    chan struct{}
+	handler Handler
+}
+
+func NewPlan(client EurekaHttpClient, serviceName string, handler Handler) *Plan {
+	p := &Plan{
+		client:  client,
+		stop:    make(chan struct{}),
+		handler: handler,
+	}
+
+	ch := client.ScheduleAppUpdates(serviceName, p.stop)
+	go p.watch(ch)
+	return p
+}
+
+func (p *Plan) Stop() {
+	defer close(p.stop)
+	p.stop <- struct{}{}
+}
+
+func (p *Plan) watch(ch <-chan fargo.AppUpdate) {
+	for {
+		select {
+		case <-p.stop:
+			log.Info("stop eureka plan")
+			return
+		case updateItem := <-ch:
+			if updateItem.Err != nil {
+				log.Error("get eureka application failed, error : %v", updateItem.Err)
+				continue
+			}
+			if err := p.handler(updateItem.App); err != nil {
+				log.Error("handle eureka application failed, error : %v", err)
+			}
+		}
+	}
+}

registry/eureka/client/struct.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package client
+
+import "github.com/hudl/fargo"
+
+type Applications struct {
+	Apps         map[string]*fargo.Application
+	HashCode     string
+	VersionDelta int
+}

registry/eureka/watcher.go

@@ -0,0 +1,304 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package eureka
+
+import (
+	"fmt"
+	"net"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/hudl/fargo"
+	"istio.io/api/networking/v1alpha3"
+	versionedclient "istio.io/client-go/pkg/clientset/versioned"
+	"istio.io/pkg/log"
+	ctrl "sigs.k8s.io/controller-runtime"
+
+	apiv1 "github.com/alibaba/higress/api/networking/v1"
+	"github.com/alibaba/higress/pkg/common"
+	provider "github.com/alibaba/higress/registry"
+	. "github.com/alibaba/higress/registry/eureka/client"
+	"github.com/alibaba/higress/registry/memory"
+)
+
+const (
+	DefaultFullRefreshIntervalLimit = time.Second * 30
+	suffix                          = "eureka"
+)
+
+type watcher struct {
+	provider.BaseWatcher
+	apiv1.RegistryConfig
+
+	WatchingServices     map[string]*Plan             `json:"watching_services"`
+	RegistryType         provider.ServiceRegistryType `json:"registry_type"`
+	Status               provider.WatcherStatus       `json:"status"`
+	cache                memory.Cache
+	mutex                *sync.Mutex
+	stop                 chan struct{}
+	istioClient          *versionedclient.Clientset
+	isStop               bool
+	updateCacheWhenEmpty bool
+
+	eurekaClient              EurekaHttpClient
+	fullRefreshIntervalLimit  time.Duration
+	deltaRefreshIntervalLimit time.Duration
+}
+
+type WatcherOption func(w *watcher)
+
+func NewWatcher(cache memory.Cache, opts ...WatcherOption) (provider.Watcher, error) {
+	w := &watcher{
+		WatchingServices: make(map[string]*Plan),
+		RegistryType:     provider.Eureka,
+		Status:           provider.UnHealthy,
+		cache:            cache,
+		mutex:            &sync.Mutex{},
+		stop:             make(chan struct{}),
+	}
+
+	config, err := ctrl.GetConfig()
+	if err != nil {
+		return nil, err
+	}
+
+	ic, err := versionedclient.NewForConfig(config)
+	if err != nil {
+		log.Errorf("can not new istio client, err:%v", err)
+		return nil, err
+	}
+	w.istioClient = ic
+
+	w.fullRefreshIntervalLimit = DefaultFullRefreshIntervalLimit
+
+	for _, opt := range opts {
+		opt(w)
+	}
+
+	cfg := NewDefaultConfig()
+	cfg.BaseUrl = net.JoinHostPort(w.Domain, strconv.FormatUint(uint64(w.Port), 10))
+	w.eurekaClient = NewEurekaHttpClient(cfg)
+
+	return w, nil
+}
+
+func WithEurekaFullRefreshInterval(refreshInterval int64) WatcherOption {
+	return func(w *watcher) {
+		if refreshInterval < int64(DefaultFullRefreshIntervalLimit) {
+			refreshInterval = int64(DefaultFullRefreshIntervalLimit)
+		}
+		w.fullRefreshIntervalLimit = time.Duration(refreshInterval)
+	}
+}
+
+func WithType(t string) WatcherOption {
+	return func(w *watcher) {
+		w.Type = t
+	}
+}
+
+func WithName(name string) WatcherOption {
+	return func(w *watcher) {
+		w.Name = name
+	}
+}
+
+func WithDomain(domain string) WatcherOption {
+	return func(w *watcher) {
+		w.Domain = domain
+	}
+}
+
+func WithPort(port uint32) WatcherOption {
+	return func(w *watcher) {
+		w.Port = port
+	}
+}
+
+func WithUpdateCacheWhenEmpty(enable bool) WatcherOption {
+	return func(w *watcher) {
+		w.updateCacheWhenEmpty = enable
+	}
+}
+
+func (w *watcher) Run() {
+	ticker := time.NewTicker(w.fullRefreshIntervalLimit)
+	defer ticker.Stop()
+
+	w.Status = provider.ProbeWatcherStatus(w.Domain, strconv.FormatUint(uint64(w.Port), 10))
+	w.doFullRefresh()
+	w.Ready(true)
+
+	for {
+		select {
+		case <-ticker.C:
+			w.doFullRefresh()
+		case <-w.stop:
+			log.Info("eureka watcher(%v) is stopping ...", w.Name)
+			return
+		}
+	}
+}
+
+func (w *watcher) Stop() {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
+
+	for serviceName := range w.WatchingServices {
+		if err := w.unsubscribe(serviceName); err != nil {
+			log.Errorf("Failed to unsubscribe service : %v", serviceName)
+			continue
+		}
+		w.cache.DeleteServiceEntryWrapper(makeHost(serviceName))
+	}
+	w.UpdateService()
+}
+
+func (w *watcher) IsHealthy() bool {
+	return w.Status == provider.Healthy
+}
+
+func (w *watcher) GetRegistryType() string {
+	return w.RegistryType.String()
+}
+
+// doFullRefresh todo(lql): it's better to support deltaRefresh
+func (w *watcher) doFullRefresh() {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
+
+	applications, err := w.eurekaClient.GetApplications()
+	if err != nil {
+		log.Errorf("Failed to full fetch eureka services, error : %v", err)
+		return
+	}
+
+	fetchedServices := applications.Apps
+	for serviceName := range w.WatchingServices {
+		if _, ok := fetchedServices[serviceName]; !ok {
+			if err = w.unsubscribe(serviceName); err != nil {
+				log.Errorf("Failed to unsubscribe service %v, error : %v", serviceName, err)
+				continue
+			}
+		}
+	}
+
+	for serviceName := range fetchedServices {
+		if _, ok := w.WatchingServices[serviceName]; !ok {
+			if err = w.subscribe(fetchedServices[serviceName]); err != nil {
+				log.Errorf("Failed to subscribe service %v, error : %v", serviceName, err)
+				continue
+			}
+		}
+	}
+}
+
+func (w *watcher) subscribe(service *fargo.Application) error {
+	if service == nil {
+		return fmt.Errorf("service is nil")
+	}
+	callback := func(service *fargo.Application) error {
+		defer w.UpdateService()
+
+		if len(service.Instances) != 0 {
+			se, err := generateServiceEntry(service)
+			if err != nil {
+				return err
+			}
+			w.cache.UpdateServiceEntryWrapper(makeHost(service.Name), &memory.ServiceEntryWrapper{
+				ServiceName:  service.Name,
+				ServiceEntry: se,
+				Suffix:       suffix,
+				RegistryType: w.Type,
+			})
+			return nil
+		}
+
+		if w.updateCacheWhenEmpty {
+			w.cache.DeleteServiceEntryWrapper(makeHost(service.Name))
+		}
+
+		return nil
+	}
+
+	if err := callback(service); err != nil {
+		log.Errorf("failed to subscribe service %v, error: %v", service.Name, err)
+		return err
+	}
+	w.WatchingServices[service.Name] = NewPlan(w.eurekaClient, service.Name, callback)
+	return nil
+}
+
+func (w *watcher) unsubscribe(serviceName string) error {
+	w.WatchingServices[serviceName].Stop()
+	delete(w.WatchingServices, serviceName)
+	w.UpdateService()
+
+	return nil
+}
+
+func makeHost(serviceName string) string {
+	return serviceName + common.DotSeparator + suffix
+}
+
+func convertMap(m map[string]interface{}) map[string]string {
+	result := make(map[string]string)
+	for k, v := range m {
+		if value, ok := v.(string); ok {
+			result[k] = value
+		}
+	}
+
+	return result
+}
+
+func generateServiceEntry(app *fargo.Application) (*v1alpha3.ServiceEntry, error) {
+	portList := make([]*v1alpha3.Port, 0)
+	endpoints := make([]*v1alpha3.WorkloadEntry, 0)
+
+	for _, instance := range app.Instances {
+		protocol := common.HTTP
+		if val, _ := instance.Metadata.GetString("protocol"); val != "" {
+			if protocol = common.ParseProtocol(val); protocol == common.Unsupported {
+				return nil, fmt.Errorf("unsupported protocol %v", val)
+			}
+		}
+		port := &v1alpha3.Port{
+			Name:     protocol.String(),
+			Number:   uint32(instance.Port),
+			Protocol: protocol.String(),
+		}
+		if len(portList) == 0 {
+			portList = append(portList, port)
+		}
+		endpoint := v1alpha3.WorkloadEntry{
+			Address: instance.IPAddr,
+			Ports:   map[string]uint32{port.Protocol: port.Number},
+			Labels:  convertMap(instance.Metadata.GetMap()),
+		}
+		endpoints = append(endpoints, &endpoint)
+	}
+
+	se := &v1alpha3.ServiceEntry{
+		Hosts:      []string{makeHost(app.Name)},
+		Ports:      portList,
+		Location:   v1alpha3.ServiceEntry_MESH_INTERNAL,
+		Resolution: v1alpha3.ServiceEntry_STATIC,
+		Endpoints:  endpoints,
+	}
+
+	return se, nil
+}

registry/reconcile/reconcile.go

@@ -30,6 +30,7 @@ import (
 	. "github.com/alibaba/higress/registry"
 	"github.com/alibaba/higress/registry/consul"
 	"github.com/alibaba/higress/registry/direct"
+	"github.com/alibaba/higress/registry/eureka"
 	"github.com/alibaba/higress/registry/memory"
 	"github.com/alibaba/higress/registry/nacos"
 	nacosv2 "github.com/alibaba/higress/registry/nacos/v2"
@@ -196,6 +197,14 @@ func (r *Reconciler) generateWatcherFromRegistryConfig(registry *apiv1.RegistryC
 			direct.WithDomain(registry.Domain),
 			direct.WithPort(registry.Port),
 		)
+	case string(Eureka):
+		watcher, err = eureka.NewWatcher(
+			r.Cache,
+			eureka.WithName(registry.Name),
+			eureka.WithDomain(registry.Domain),
+			eureka.WithType(registry.Type),
+			eureka.WithPort(registry.Port),
+		)
 	default:
 		return nil, errors.New("unsupported registry type:" + registry.Type)
 	}

test/e2e/conformance/base/manifests.yaml

@@ -459,4 +459,109 @@ spec:
           scheme: HTTP
         initialDelaySeconds: 20
         periodSeconds: 20
+---
+# Eureka service registry
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: eureka-cm
+  namespace: higress-conformance-app-backend
+data:
+  # if you want to deploy n instances of eureka cluster,
+  # you should set eureka_service_address: http://eureka-0.eureka:8761/eureka,...,http://eureka-(n-1).eureka:8761/eureka
+  eureka_service_address: "http://eureka-0.eureka.higress-conformance-app-backend.svc:8761/eureka"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: eureka
+  namespace: higress-conformance-app-backend
+  labels:
+    app: eureka
+spec:
+  clusterIP: None
+  ports:
+    - port: 8761
+      name: eureka
+  selector:
+    app: eureka
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: eureka
+  namespace: higress-conformance-app-backend
+spec:
+  serviceName: eureka
+  # n instances
+  replicas: 1
+  selector:
+    matchLabels:
+      app: eureka
+  template:
+    metadata:
+      labels:
+        app: eureka
+    spec:
+      containers:
+        - name: eureka
+          image: bitinit/eureka
+          ports:
+            - containerPort: 8761
+              name: http
+              protocol: TCP
+          resources:
+            requests:
+              memory: "500Mi"
+              cpu: "500m"
+          env:
+            - name: EUREKA_SERVER_ADDRESS
+              valueFrom:
+                configMapKeyRef:
+                  name: eureka-cm
+                  key: eureka_service_address
+            - name: ENVIRONMENT
+              value: "prod"
+            - name: JVM_OPTS
+              value: "-Xms1g -Xmx1g"
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 8761
+            initialDelaySeconds: 30
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8761
+            initialDelaySeconds: 30
+            periodSeconds: 10
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: eureka-registry-provider
+  namespace: higress-conformance-app-backend
+spec:
+  containers:
+    - name: eureka-registry-provider
+      image: charlie1380/eureka-registry-provider:v0.3.0
+      env:
+        - name: EUREKA_SERVER_ADDRESS
+          valueFrom:
+            configMapKeyRef:
+              name: eureka-cm
+              key: eureka_service_address
+      ports:
+        - containerPort: 8888
+          name: http
+          protocol: TCP
+      readinessProbe:
+        failureThreshold: 5
+        httpGet:
+          path: /healthz
+          port: 8888
+          scheme: HTTP
+        periodSeconds: 1
 

test/e2e/conformance/tests/httproute-eureka-registry.go

@@ -0,0 +1,60 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tests
+
+import (
+	"testing"
+	"time"
+
+	"github.com/alibaba/higress/test/e2e/conformance/utils/http"
+	"github.com/alibaba/higress/test/e2e/conformance/utils/suite"
+)
+
+func init() {
+	HigressConformanceTests = append(HigressConformanceTests, HTTPRouteEurekaRegistry)
+}
+
+var HTTPRouteEurekaRegistry = suite.ConformanceTest{
+	ShortName:   "HTTPRouteEurekaRegistry",
+	Description: "The Ingress in the higress-conformance-infra namespace uses the eureka service registry.",
+	Manifests:   []string{"tests/httproute-eureka-registry.yaml"},
+	Test: func(t *testing.T, suite *suite.ConformanceTestSuite) {
+		testcases := []http.Assertion{
+			{
+				Request: http.AssertionRequest{
+					ActualRequest: http.Request{
+						Host:   "foo.com",
+						Path:   "/healthz",
+						Method: "GET",
+					},
+				},
+				Response: http.AssertionResponse{
+					ExpectedResponseNoRequest: true,
+					ExpectedResponse: http.Response{
+						StatusCode: 200,
+					},
+				},
+			},
+		}
+		timeoutConfig := suite.TimeoutConfig
+		// it may take more time
+		timeoutConfig.MaxTimeToConsistency = 120 * time.Second
+		t.Run("HTTPRoute Eureka Registry", func(t *testing.T) {
+			for _, testcase := range testcases {
+				http.MakeRequestAndExpectEventuallyConsistentResponse(t, suite.RoundTripper, timeoutConfig, suite.GatewayAddress, testcase)
+			}
+		})
+	},
+}

test/e2e/conformance/tests/httproute-eureka-registry.yaml

@@ -0,0 +1,46 @@
+# Copyright (c) 2022 Alibaba Group Holding Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: networking.higress.io/v1
+kind: McpBridge
+metadata:
+  name: default
+  namespace: higress-system
+spec:
+  registries:
+    - domain: eureka.higress-conformance-app-backend.svc.cluster.local
+      name: eureka
+      port: 8761
+      type: eureka
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  annotations:
+    higress.io/destination: EUREKA-REGISTRY-PROVIDER.eureka
+  name: httproute-eureka-ingress
+  namespace: higress-system
+spec:
+  ingressClassName: higress
+  rules:
+    - host: "foo.com"
+      http:
+        paths:
+          - pathType: Prefix
+            path: /
+            backend:
+              resource:
+                apiGroup: networking.higress.io
+                kind: McpBridge
+                name: default

test/e2e/e2e_test.go

@@ -97,6 +97,7 @@ func TestHigressConformanceTests(t *testing.T) {
 			tests.HTTPRouteFullPathRegex,
 			tests.HTTPRouteHttp2Rpc,
 			tests.HTTPRouteConsulHttpBin,
+			tests.HTTPRouteEurekaRegistry,
 		}
 	}