[feat] Support endpoint slices

.github/workflows/release.yaml

@@ -1,3 +1,4 @@
+# TODO: right now the release is not fully automated, but the tests below must pass before a release is made manually. See RELEASE.md for more information.
 name: release
 
 on:
@@ -7,13 +8,11 @@ on:
       - 'next'
 
 jobs:
-  kubernetes-version-tests:
+  test-current-kubernetes:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         kubernetes-version:
-          - 'v1.19.11'
-          - 'v1.20.7'
           - 'v1.21.2'
         dbmode:
           - 'dbless'
@@ -40,4 +39,43 @@ jobs:
       - name: Kubernetes ${{ matrix.kubernetes_version }} ${{ matrix.dbmode }} Integration Tests
         run: KONG_CLUSTER_VERSION=${{ matrix.kubernetes_version }} make test.integration.${{ matrix.dbmode }}
 
-  # TODO: right now the release is not fully automated, but the above tests must pass before a release is made manually. See RELEASE.md for more information.
+  test-previous-kubernetes:
+    environment: gcloud
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        minor:
+          - '19'
+          - '20'
+        dbmode:
+          - 'dbless'
+          - 'postgres'
+    steps:
+      - name: setup golang
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.16'
+
+      - name: cache go modules
+        uses: actions/cache@v2.1.6
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-build-codegen-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-build-codegen-
+
+      - name: checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: test ${{ matrix.dbmode }} on GKE v1.${{ matrix.minor }}
+        run: ./hack/e2e/run.sh
+        env:
+          KUBERNETES_MAJOR_VERSION: 1
+          KUBERNETES_MINOR_VERSION: ${{ matrix.minor }}
+          GOOGLE_APPLICATION_CREDENTIALS: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS }}
+          GOOGLE_PROJECT: ${{ secrets.GOOGLE_PROJECT }}
+          GOOGLE_LOCATION: ${{ secrets.GOOGLE_LOCATION }}
+
+# TODO: need kubernetes latest job (test against v1.20.7 and v1.21.2): https://github.com/Kong/kubernetes-ingress-controller/issues/1616

CHANGELOG.md

@@ -56,9 +56,14 @@
   [#1563](https://github.com/Kong/kubernetes-ingress-controller/pull/1563)
 - Added support for --dump-config to 2.x.
   [#1589](https://github.com/Kong/kubernetes-ingress-controller/pull/1589)
+- Added support for --use-endpoint-slices to 2.x.
+  [#1608](https://github.com/Kong/kubernetes-ingress-controller/pull/1608)
 
 #### Fixed
 
+- Increased the default timeout strategy for backend proxy HTTP requests
+  from 3 seconds to 10 seconds.
+  [#1610](https://github.com/Kong/kubernetes-ingress-controller/pull/1610)
 - Corrected the old Ingress v1beta1 API group.
   [#1584](https://github.com/Kong/kubernetes-ingress-controller/pull/1584)
 

Makefile

@@ -155,9 +155,8 @@ container:
 # Test
 # ------------------------------------------------------------------------------
 
-PKG_LIST = ./...
+PKG_LIST = ./pkg/...,./internal/...
 COVERAGE_PROFILE=coverage.out
-COVERAGE_INTEGRATION_PROFILE=coverage-integration.out
 KIND_CLUSTER_NAME ?= "integration-tests"
 
 .PHONY: test.all
@@ -177,14 +176,14 @@ test.integration.legacy: container
 .PHONY: test.integration.dbless
 test.integration.dbless:
 	@./scripts/check-container-environment.sh
-	@TEST_DATABASE_MODE="off" GOFLAGS="-tags=integration_tests" go test -timeout 15m -race -v -count=1 -covermode=atomic -coverpkg=$(PKG_LIST) -coverprofile=$(COVERAGE_INTEGRATION_PROFILE) ./test/integration/
+	@TEST_DATABASE_MODE="off" USE_ENDPOINT_SLICES="true" GOFLAGS="-tags=integration_tests" go test -timeout 15m -race -v -count=1 -covermode=atomic -coverpkg=$(PKG_LIST) -coverprofile=$(COVERAGE_PROFILE) ./...
 
 # TODO: race checking has been temporarily turned off because of race conditions found with deck. This will be resolved in an upcoming Alpha release of KIC 2.0.
 #       See: https://github.com/Kong/kubernetes-ingress-controller/issues/1324
 .PHONY: test.integration.postgres
 test.integration.postgres:
 	@./scripts/check-container-environment.sh
-	@TEST_DATABASE_MODE="postgres" GOFLAGS="-tags=integration_tests" go test -timeout 15m -v -count=1 -covermode=atomic -coverpkg=$(PKG_LIST) -coverprofile=$(COVERAGE_INTEGRATION_PROFILE) ./test/integration/
+	@TEST_DATABASE_MODE="postgres" GOFLAGS="-tags=integration_tests" go test -timeout 15m -v -count=1 -covermode=atomic -coverpkg=$(PKG_LIST) -coverprofile=$(COVERAGE_PROFILE) ./...
 
 # ------------------------------------------------------------------------------
 # Operations

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/kong/deck v1.7.0
 	github.com/kong/go-kong v0.20.0
-	github.com/kong/kubernetes-testing-framework v0.2.2
+	github.com/kong/kubernetes-testing-framework v0.3.3
 	github.com/lithammer/dedent v1.1.0
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.1

go.sum

@@ -20,8 +20,10 @@ cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmW
 cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
 cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
 cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go v0.83.0 h1:bAMqZidYkmIsUqe6PtkEPT7Q+vfizScn+jfNA6jwK9c=
 cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
+cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
+cloud.google.com/go v0.88.0 h1:MZ2cf9Elnv1wqccq8ooKO2MqHQLc+ChCp/+QWObCpxg=
+cloud.google.com/go v0.88.0/go.mod h1:dnKwfYbP9hQhefiUvpbcAyoGSHUrOxR20JVElLiUvEY=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -466,6 +468,7 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -539,6 +542,7 @@ github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210715191844-86eeefc3e471/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -669,8 +673,8 @@ github.com/kong/deck v1.7.0/go.mod h1:o2letQaSpXVnDNoXehEibOF6q7v46qtbsKOCC+1owA
 github.com/kong/go-kong v0.19.0/go.mod h1:HyNtOxzh/tzmOV//ccO5NAdmrCnq8b86YUPjmdy5aog=
 github.com/kong/go-kong v0.20.0 h1:KiPsJORNs9UbjU8m1Tr3MZkIiKkzcVHIz0EYeT7SD3c=
 github.com/kong/go-kong v0.20.0/go.mod h1:eQP22bzJVeiEH77hYdWD019WjecJFVFHm77kPXquC28=
-github.com/kong/kubernetes-testing-framework v0.2.2 h1:gRfM85kOf8kXcpio5AA+X164DAbjVFzx2FMk/F05Yu0=
-github.com/kong/kubernetes-testing-framework v0.2.2/go.mod h1:Cn5+MjhyRwN2J0Iyk7/Rdwt+1UlF+aN3oJ+ygrxeKZc=
+github.com/kong/kubernetes-testing-framework v0.3.3 h1:UgWjsApvxD/86DnwLQnr6OIk/sgDi+C2lcgFEFw7Buk=
+github.com/kong/kubernetes-testing-framework v0.3.3/go.mod h1:O9ARzRPAnEBURREH4fiGmCBhEUxj3HRIyUEjR9eYIVU=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -1206,8 +1210,9 @@ golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c h1:pkQiBZBvdos9qq4wBAHqlzuZHEXo07pqV06ef90u1WI=
 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
+golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914 h1:3B43BWw0xEBsLZ/NO1VALz6fppU3481pik+2Ksv45z8=
+golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -1314,6 +1319,7 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603125802-9665404d3644/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
@@ -1407,6 +1413,8 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5 h1:ouewzE6p+/VEB31YYnTbEJdi8pFqKp4P4n85vwo3DHA=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1449,8 +1457,11 @@ google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjR
 google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
 google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
 google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
-google.golang.org/api v0.47.0 h1:sQLWZQvP6jPGIP4JGPkJu4zHswrv81iobiyszr3b/0I=
 google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59tHXo=
+google.golang.org/api v0.48.0/go.mod h1:71Pr1vy+TAZRPkPs/xlCf5SsU8WjuAWv1Pfjbtukyy4=
+google.golang.org/api v0.50.0/go.mod h1:4bNT5pAuq5ji4SRZm+5QIkjny9JAyVD/3gaSihNefaw=
+google.golang.org/api v0.52.0 h1:m5FLEd6dp5CU1F0tMWyqDi2XjchviIz8ntzOSz7w8As=
+google.golang.org/api v0.52.0/go.mod h1:Him/adpjt0sxtkWViy0b6xyKW/SD71CwdJ7HqJo7SrU=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1511,6 +1522,11 @@ google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaE
 google.golang.org/genproto v0.0.0-20210416161957-9910b6c460de/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210604141403-392c879c8b08/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210608205507-b6d2f5bf0d7d/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
+google.golang.org/genproto v0.0.0-20210721163202-f1cecdd8b78a/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
+google.golang.org/genproto v0.0.0-20210722135532-667f2b7c528f/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
 google.golang.org/genproto v0.0.0-20210726200206-e7812ac95cc0 h1:VpRFBmFg/ol+rqJnkKLPjVebPNFbSxuj17B7bH1xMc8=
 google.golang.org/genproto v0.0.0-20210726200206-e7812ac95cc0/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
 google.golang.org/grpc v0.0.0-20160317175043-d3ddb4469d5a/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=

hack/e2e/main.go

@@ -0,0 +1,94 @@
+package main
+
+// TODO: this is temporary: it was created for speed but will be replaced
+//       by upstream functionality in KTF.
+//       See: https://github.com/Kong/kubernetes-testing-framework/issues/61
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strconv"
+
+	"github.com/kong/kubernetes-testing-framework/pkg/clusters"
+	"github.com/kong/kubernetes-testing-framework/pkg/clusters/types/gke"
+)
+
+const (
+	k8sNameVar  = "KUBERNETES_CLUSTER_NAME"
+	k8sMajorVar = "KUBERNETES_MAJOR_VERSION"
+	k8sMinorVar = "KUBERNETES_MINOR_VERSION"
+)
+
+var (
+	ctx     = context.Background()
+	cluster clusters.Cluster
+
+	gkeCreds    = os.Getenv(gke.GKECredsVar)
+	gkeProject  = os.Getenv(gke.GKEProjectVar)
+	gkeLocation = os.Getenv(gke.GKELocationVar)
+	k8sName     = os.Getenv(k8sNameVar)
+	k8sMajor    = os.Getenv(k8sMajorVar)
+	k8sMinor    = os.Getenv(k8sMinorVar)
+)
+
+func main() {
+	fmt.Println("INFO: configuring GKE cloud environment for tests")
+	mustNotBeEmpty(gke.GKECredsVar, gkeCreds)
+	mustNotBeEmpty(gke.GKEProjectVar, gkeProject)
+	mustNotBeEmpty(gke.GKELocationVar, gkeLocation)
+	mustNotBeEmpty(k8sNameVar, k8sName)
+	mustNotBeEmpty(k8sMajorVar, k8sMajor)
+	mustNotBeEmpty(k8sMinorVar, k8sMinor)
+
+	fmt.Println("INFO: validating cluster version requirements")
+	major, err := strconv.Atoi(k8sMajor)
+	mustNotError(err)
+	minor, err := strconv.Atoi(k8sMinor)
+	mustNotError(err)
+
+	if len(os.Args) > 1 && os.Args[1] == "cleanup" {
+		fmt.Printf("INFO: cleanup called, deleting GKE cluster %s\n", k8sName)
+		cluster, err := gke.NewFromExistingWithEnv(ctx, k8sName)
+		mustNotError(err)
+		mustNotError(cluster.Cleanup(ctx))
+		fmt.Printf("INFO: GKE cluster %s successfully cleaned up\n", k8sName)
+		os.Exit(0)
+	}
+
+	fmt.Printf("INFO: configuring the GKE cluster NAME=(%s) VERSION=(v%d.%d) PROJECT=(%s) LOCATION=(%s)\n", k8sName, major, minor, gkeProject, gkeLocation)
+	builder := gke.NewBuilder([]byte(gkeCreds), gkeProject, gkeLocation).WithName(k8sName)
+	builder.WithClusterMinorVersion(uint64(major), uint64(minor))
+
+	fmt.Printf("INFO: building cluster %s (this can take some time)\n", builder.Name)
+	cluster, err = builder.Build(ctx)
+	mustNotError(err)
+
+	fmt.Println("INFO: verifying that the cluster can be communicated with")
+	version, err := cluster.Client().ServerVersion()
+	mustNotError(err)
+
+	fmt.Printf("INFO: server version found: %s\n", version)
+}
+
+func mustNotBeEmpty(name, value string) {
+	if value == "" {
+		if cluster != nil {
+			if err := cluster.Cleanup(ctx); err != nil {
+				panic(fmt.Sprintf("%s was empty, and then cleanup failed: %s", name, err))
+			}
+		}
+		panic(fmt.Sprintf("%s was empty", name))
+	}
+}
+
+func mustNotError(err error) {
+	if err != nil {
+		if cluster != nil {
+			if cleanupErr := cluster.Cleanup(ctx); cleanupErr != nil {
+				panic(fmt.Sprintf("deployment failed with %s, and then cleanup failed: %s", err, cleanupErr))
+			}
+		}
+		panic(fmt.Errorf("failed to deploy e2e environment: %w", err))
+	}
+}

hack/e2e/run.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# TODO: for now our e2e tests are effectively just our integration tests run
+#       against a conformant, production grade cluster. In the future we will
+#       add a dedicated e2e test suite.
+#
+#       See: https://github.com/Kong/kubernetes-ingress-controller/issues/1605
+
+set -euo pipefail
+
+WORKDIR="$(dirname "${BASH_SOURCE}")/../.."
+cd "${WORKDIR}"
+
+CLUSTER_NAME="e2e-$(uuidgen)"
+KUBERNETES_CLUSTER_NAME="${CLUSTER_NAME}" go run hack/e2e/main.go
+
+function cleanup() {
+    KUBERNETES_CLUSTER_NAME="${CLUSTER_NAME}" go run hack/e2e/main.go cleanup
+}
+trap cleanup EXIT SIGINT SIGQUIT
+
+GOFLAGS="-tags=integration_tests" KONG_TEST_CLUSTER="gke:${CLUSTER_NAME}" go test -count 1 -timeout 45m -v ./test/integration/...

hack/generators/controllers/networking/main.go

@@ -17,10 +17,11 @@ import (
 const (
 	outputFile = "../../internal/controllers/configuration/zz_generated_controllers.go"
 
-	corev1     = "k8s.io/api/core/v1"
-	netv1      = "k8s.io/api/networking/v1"
-	netv1beta1 = "k8s.io/api/networking/v1beta1"
-	extv1beta1 = "k8s.io/api/extensions/v1beta1"
+	corev1      = "k8s.io/api/core/v1"
+	discoveryv1 = "k8s.io/api/discovery/v1"
+	netv1       = "k8s.io/api/networking/v1"
+	netv1beta1  = "k8s.io/api/networking/v1beta1"
+	extv1beta1  = "k8s.io/api/extensions/v1beta1"
 
 	kongv1          = "github.com/kong/kubernetes-ingress-controller/pkg/apis/configuration/v1"
 	kongv1beta1     = "github.com/kong/kubernetes-ingress-controller/api/configuration/v1beta1"
@@ -30,7 +31,7 @@ const (
 // inputControllersNeeded is a list of the supported Types for the
 // Kong Kubernetes Ingress Controller. If you need to add a new type
 // for support, add it here and a new controller will be generated
-// when you run `make controllers`.
+// when you run `make generate.controllers`.
 var inputControllersNeeded = &typesNeeded{
 	typeNeeded{
 		PackageImportAlias:                "corev1",
@@ -56,6 +57,18 @@ var inputControllersNeeded = &typesNeeded{
 		AcceptsIngressClassNameSpec:       false,
 		RBACVerbs:                         []string{"list", "watch"},
 	},
+	typeNeeded{
+		PackageImportAlias:                "discoveryv1",
+		PackageAlias:                      "DiscoveryV1",
+		Package:                           discoveryv1,
+		Type:                              "EndpointSlice",
+		Plural:                            "endpointslices",
+		URL:                               "\"\"",
+		CacheType:                         "EndpointSlice",
+		AcceptsIngressClassNameAnnotation: false,
+		AcceptsIngressClassNameSpec:       false,
+		RBACVerbs:                         []string{"list", "watch"},
+	},
 	typeNeeded{
 		PackageImportAlias:                "corev1",
 		PackageAlias:                      "CoreV1",