Repository: kubernetes-sigs/aws-alb-ingress-controller
Pull request #1063 (2019-11-05 00:17:54)

enhance ip mode for non-ec2 nodes
1. Switch to use DescribeNetworkInterface for IP target mode.
This grants us the ability to use non-EC2 node :D 
2. Fix broken tests and upgrade to golang 1.13

k8s-ci-robot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/kubernetes-sigs/aws-alb-ingress-controller/pull/1063#" title="Author self-approved">M00nF1sh</a>*

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<details >
Needs approval from an approver in each of these files:

- ~~[OWNERS](https://github.com/kubernetes-sigs/aws-alb-ingress-controller/blob/master/OWNERS)~~ [M00nF1sh]

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Test name | Commit | Details | Rerun command
--- | --- | --- | ---
pull-aws-alb-ingress-controller-lint | af022c5b4eebc699ee0aef28525c45c790e6d742 | [link](https://prow.k8s.io/view/gcs/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_aws-alb-ingress-controller/1063/pull-aws-alb-ingress-controller-lint/1191510064473575425) | `/test pull-aws-alb-ingress-controller-lint`
pull-aws-alb-ingress-controller-e2e-test | af022c5b4eebc699ee0aef28525c45c790e6d742 | [link](https://prow.k8s.io/view/gcs/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_aws-alb-ingress-controller/1063/pull-aws-alb-ingress-controller-e2e-test/1191510064477769728) | `/test pull-aws-alb-ingress-controller-e2e-test`
pull-aws-alb-ingress-controller-unit-test | af022c5b4eebc699ee0aef28525c45c790e6d742 | [link](https://prow.k8s.io/view/gcs/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_aws-alb-ingress-controller/1063/pull-aws-alb-ingress-controller-unit-test/1191510064473575424) | `/test pull-aws-alb-ingress-controller-unit-test`

[Full PR test history](https://prow.k8s.io/pr-history?org=kubernetes-sigs&repo=aws-alb-ingress-controller&pr=1063). [Your PR dashboard](https://gubernator.k8s.io/pr/M00nF1sh). Please help us cut down on flakes by [linking to](https://git.k8s.io/community/contributors/devel/sig-testing/flaky-tests.md#filing-issues-for-flaky-tests) an [open issue](https://github.com/kubernetes-sigs/aws-alb-ingress-controller/issues?q=is:issue+is:open) when you hit one in your PR.

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Patch:
diff --git a/Dockerfile b/Dockerfile
index 0eb339ba4..6abe292e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.12.7-stretch as builder
+FROM golang:1.13.4-stretch as builder
 WORKDIR /go/src/github.com/kubernetes-sigs/aws-alb-ingress-controller/
 COPY . .
 RUN make server
diff --git a/go.mod b/go.mod
index eb724185f..400f43cd7 100644
--- a/go.mod
+++ b/go.mod
@@ -2,18 +2,15 @@ module github.com/kubernetes-sigs/aws-alb-ingress-controller
 
 require (
 	github.com/appscode/jsonpatch v0.0.0-20190108182946-7c0e3b262f30 // indirect
-	github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190907061006-260b0e114d90 // indirect
+	github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190907061006-260b0e114d90
 	github.com/aws/aws-sdk-go v1.23.21
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/go-logr/glogr v0.1.0
 	github.com/go-logr/logr v0.1.0 // indirect
 	github.com/go-logr/zapr v0.1.0 // indirect
-	github.com/gogo/protobuf v1.2.0 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
-	github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef // indirect
 	github.com/golang/mock v1.2.0
-	github.com/golangci/golangci-lint v1.14.0 // indirect
-	github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c // indirect
+	github.com/golangci/golangci-lint v1.21.0 // indirect
 	github.com/google/gofuzz v0.0.0-20170612174753-24818f796faf // indirect
 	github.com/googleapis/gnostic v0.2.0 // indirect
 	github.com/gregjones/httpcache v0.0.0-20190212212710-3befbb6ad0cc // indirect
@@ -24,33 +21,28 @@ require (
 	github.com/mattn/goveralls v0.0.3-0.20190325144123-900af2b6e486 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
-	github.com/onsi/ginkgo v1.7.0
-	github.com/onsi/gomega v1.4.3
+	github.com/onsi/ginkgo v1.10.1
+	github.com/onsi/gomega v1.7.0
 	github.com/pborman/uuid v1.2.0 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v0.9.2
-	github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
-	github.com/prometheus/common v0.0.0-20181126121408-4724e9255275
-	github.com/spf13/pflag v1.0.3
-	github.com/stretchr/objx v0.1.1 // indirect
-	github.com/stretchr/testify v1.2.2
+	github.com/prometheus/client_golang v0.9.3
+	github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90
+	github.com/prometheus/common v0.4.0
+	github.com/spf13/pflag v1.0.5
+	github.com/stretchr/testify v1.4.0
 	github.com/ticketmaster/aws-sdk-go-cache v0.0.0-20180926195306-58922816129c
-	go.uber.org/atomic v1.3.2 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.9.1 // indirect
-	golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 // indirect
 	golang.org/x/oauth2 v0.0.0-20190212230446-3e8b2be13635 // indirect
-	golang.org/x/sys v0.0.0-20190214214411-e77772198cdc // indirect
-	golang.org/x/time v0.0.0-20181108054448-85acf8d2951c // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	k8s.io/api v0.0.0-20181213150558-05914d821849
 	k8s.io/apimachinery v0.0.0-20181127025237-2b1284ed4c93
 	k8s.io/apiserver v0.0.0-20190214201149-f9f16382a346
-	k8s.io/client-go v2.0.0-alpha.0.0.20181213151034-8d9ed539ba31+incompatible
+	k8s.io/client-go v0.0.0-20181213151034-8d9ed539ba31
 	k8s.io/klog v0.2.0
 	k8s.io/kube-openapi v0.0.0-20190208205540-d7c86cdc46e3 // indirect
 	sigs.k8s.io/controller-runtime v0.1.10
 	sigs.k8s.io/structured-merge-diff v0.0.0-20190215000154-7666d3d49c8f // indirect
 	sigs.k8s.io/yaml v1.1.0 // indirect
 )
+
+go 1.13
diff --git a/go.sum b/go.sum
index 13c2e8ae9..312160b00 100644
--- a/go.sum
+++ b/go.sum
@@ -1,187 +1,431 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/OpenPeeDeeP/depguard v0.0.0-20180806142446-a69c782687b2/go.mod h1:7/4sitnI9YlQgTLLk734QlzXT8DuHVnAyztLplQjk+o=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/OpenPeeDeeP/depguard v1.0.1 h1:VlW4R6jmBIv3/u1JNlawEvJMM4J+dPORPaZasQee8Us=
+github.com/OpenPeeDeeP/depguard v1.0.1/go.mod h1:xsIw86fROiiwelg+jB2uM9PiKihMMmUx/1V+TNhjQvM=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/appscode/jsonpatch v0.0.0-20190108182946-7c0e3b262f30 h1:Kn3rqvbUFqSepE2OqVu0Pn1CbDw9IuMlONapol0zuwk=
 github.com/appscode/jsonpatch v0.0.0-20190108182946-7c0e3b262f30/go.mod h1:4AJxUpXUhv4N+ziTvIcWWXgeorXpxPZOfk9HdEVr96M=
-github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190906052806-9cfd86ce7f9c h1:E05om2rlD9zzA+u0hV2wuSTEpdqyI1MAWH5ZrFvOJD0=
-github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190906052806-9cfd86ce7f9c/go.mod h1:xCa3ZGICI7/IqtJdYjEsM3QL9vwlLHxgwSA/MD09Zgo=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190907061006-260b0e114d90 h1:FRpHLOVjM/FO/sl84ilNQWATtRd1FR6uk7UUs8MUl5Y=
 github.com/aws/aws-k8s-tester/e2e/tester v0.0.0-20190907061006-260b0e114d90/go.mod h1:xCa3ZGICI7/IqtJdYjEsM3QL9vwlLHxgwSA/MD09Zgo=
 github.com/aws/aws-sdk-go v1.15.39/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
-github.com/aws/aws-sdk-go v1.16.35/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.23.21 h1:eVJT2C99cAjZlBY8+CJovf6AwrSANzAcYNuxdCB+SPk=
 github.com/aws/aws-sdk-go v1.23.21/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ=
 github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
+github.com/bombsimon/wsl v1.2.5 h1:9gTOkIwVtoDZywvX802SDHokeX4kW1cKnV8ZTVAPkRs=
+github.com/bombsimon/wsl v1.2.5/go.mod h1:43lEF/i0kpXbLCeDXL9LMT8c92HyBywXb0AsgMHYngM=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+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/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
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 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
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 sigs.k8s.io/controller-runtime v0.1.10/go.mod h1:HFAYoOh6XMV+jKF1UjFwrknPbowfyHEHHRdJMf2jMX8=
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 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-sourcegraph.com/sourcegraph/go-diff v0.0.0-20171119081133-3f415a150aec/go.mod h1:R09mWeb9JcPbO+A3cYDc11xjz0wp6r9+KnqdqROAoRU=
-sourcegraph.com/sqs/pbtypes v0.0.0-20160107090929-4d1b9dc7ffc3/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4 h1:JPJh2pk3+X4lXAkZIk2RuE/7/FoK9maXw+TNPJhVS/c=
+sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
diff --git a/internal/alb/sg/instance_attachment_v1.go b/internal/alb/sg/instance_attachment_v1.go
index 518973054..558239440 100644
--- a/internal/alb/sg/instance_attachment_v1.go
+++ b/internal/alb/sg/instance_attachment_v1.go
@@ -74,14 +74,14 @@ func (c *instanceAttachmentControllerV1) Reconcile(ctx context.Context, ingKey t
 
 	shouldAttachENIIDs := targetENIIDs.Difference(attachedENIIDs)
 	for eniID := range shouldAttachENIIDs {
-		if err := c.ensureSGAttachedToENI(ctx, instanceSGID, targetENIs[eniID]); err != nil {
+		if err := c.ensureSGAttachedToENI(ctx, instanceSGID, eniID, targetENIs[eniID]); err != nil {
 			return err
 		}
 	}
 
 	shouldDetachENIIDs := attachedENIIDs.Difference(targetENIIDs)
 	for eniID := range shouldDetachENIIDs {
-		if err := c.ensureSGDetachedFromENI(ctx, instanceSGID, attachedENIs[eniID]); err != nil {
+		if err := c.ensureSGDetachedFromENI(ctx, instanceSGID, eniID, attachedENIs[eniID]); err != nil {
 			return err
 		}
 	}
@@ -102,8 +102,8 @@ func (c *instanceAttachmentControllerV1) Delete(ctx context.Context, ingKey type
 	if err != nil {
 		return err
 	}
-	for _, eni := range attachedENIs {
-		if err := c.ensureSGDetachedFromENI(ctx, instanceSGID, eni); err != nil {
+	for eniID, eniInfo := range attachedENIs {
+		if err := c.ensureSGDetachedFromENI(ctx, instanceSGID, eniID, eniInfo); err != nil {
 			return err
 		}
 	}
@@ -141,7 +141,7 @@ func (c *instanceAttachmentControllerV1) ensureInstanceSG(ctx context.Context, i
 }
 
 // findENIsAttachedWithInstanceSG finds all ENIs attached with instance SG.
-func (c *instanceAttachmentControllerV1) findENIsAttachedWithInstanceSG(ctx context.Context, instanceSGID string) (map[string]*ec2.NetworkInterface, error) {
+func (c *instanceAttachmentControllerV1) findENIsAttachedWithInstanceSG(ctx context.Context, instanceSGID string) (map[string]ENIInfo, error) {
 	enis, err := c.cloud.DescribeNetworkInterfaces(ctx, &ec2.DescribeNetworkInterfacesInput{
 		Filters: []*ec2.Filter{
 			{
@@ -153,36 +153,34 @@ func (c *instanceAttachmentControllerV1) findENIsAttachedWithInstanceSG(ctx cont
 	if err != nil {
 		return nil, err
 	}
-	result := make(map[string]*ec2.NetworkInterface, len(enis))
+	result := make(map[string]ENIInfo, len(enis))
 	for _, eni := range enis {
-		result[aws.StringValue(eni.NetworkInterfaceId)] = eni
+		result[aws.StringValue(eni.NetworkInterfaceId)] = NewENIInfoViaENI(eni)
 	}
 	return result, nil
 }
 
-func (c *instanceAttachmentControllerV1) ensureSGAttachedToENI(ctx context.Context, sgID string, eni *ec2.InstanceNetworkInterface) error {
+func (c *instanceAttachmentControllerV1) ensureSGAttachedToENI(ctx context.Context, sgID string, eniID string, eniInfo ENIInfo) error {
 	desiredGroups := []string{sgID}
-	for _, group := range eni.Groups {
-		groupID := aws.StringValue(group.GroupId)
+	for _, groupID := range eniInfo.SecurityGroups() {
 		if groupID == sgID {
 			return nil
 		}
 		desiredGroups = append(desiredGroups, groupID)
 	}
 
-	albctx.GetLogger(ctx).Infof("attaching securityGroup %s to ENI %s", sgID, *eni.NetworkInterfaceId)
+	albctx.GetLogger(ctx).Infof("attaching securityGroup %s to ENI %s", sgID, eniID)
 	_, err := c.cloud.ModifyNetworkInterfaceAttributeWithContext(ctx, &ec2.ModifyNetworkInterfaceAttributeInput{
-		NetworkInterfaceId: eni.NetworkInterfaceId,
+		NetworkInterfaceId: aws.String(eniID),
 		Groups:             aws.StringSlice(desiredGroups),
 	})
 	return err
 }
 
-func (c *instanceAttachmentControllerV1) ensureSGDetachedFromENI(ctx context.Context, sgID string, eni *ec2.NetworkInterface) error {
+func (c *instanceAttachmentControllerV1) ensureSGDetachedFromENI(ctx context.Context, sgID string, eniID string, eniInfo ENIInfo) error {
 	sgAttached := false
 	desiredGroups := []string{}
-	for _, group := range eni.Groups {
-		groupID := aws.StringValue(group.GroupId)
+	for _, groupID := range eniInfo.SecurityGroups() {
 		if groupID == sgID {
 			sgAttached = true
 		} else {
@@ -193,9 +191,9 @@ func (c *instanceAttachmentControllerV1) ensureSGDetachedFromENI(ctx context.Con
 		return nil
 	}
 
-	albctx.GetLogger(ctx).Infof("detaching securityGroup %s from ENI %s", sgID, *eni.NetworkInterfaceId)
+	albctx.GetLogger(ctx).Infof("detaching securityGroup %s from ENI %s", sgID, eniID)
 	_, err := c.cloud.ModifyNetworkInterfaceAttributeWithContext(ctx, &ec2.ModifyNetworkInterfaceAttributeInput{
-		NetworkInterfaceId: eni.NetworkInterfaceId,
+		NetworkInterfaceId: aws.String(eniID),
 		Groups:             aws.StringSlice(desiredGroups),
 	})
 	return err
diff --git a/internal/alb/sg/instance_attachment_v2.go b/internal/alb/sg/instance_attachment_v2.go
index 10b61bf00..a66c8e92d 100644
--- a/internal/alb/sg/instance_attachment_v2.go
+++ b/internal/alb/sg/instance_attachment_v2.go
@@ -102,9 +102,7 @@ func (c *instanceAttachmentControllerV2) findInstanceSGsForTgGroup(ctx context.C
 
 	sgIDs := sets.NewString()
 	for _, eni := range targetENIs {
-		for _, group := range eni.Groups {
-			sgIDs.Insert(aws.StringValue(group.GroupId))
-		}
+		sgIDs.Insert(eni.SecurityGroups()...)
 	}
 	if len(sgIDs) == 0 {
 		return nil, nil
@@ -126,24 +124,25 @@ func (c *instanceAttachmentControllerV2) findInstanceSGsForTgGroup(ctx context.C
 
 	clusterTag := "kubernetes.io/cluster/" + c.cloud.GetClusterName()
 	instanceSGIDs := sets.NewString()
-	for _, eni := range targetENIs {
-		if len(eni.Groups) == 1 {
-			instanceSGIDs.Insert(aws.StringValue(eni.Groups[0].GroupId))
+	for eniID, eni := range targetENIs {
+		eniSGIDs := eni.SecurityGroups()
+		if len(eniSGIDs) == 1 {
+			instanceSGIDs.Insert(eniSGIDs[0])
 			continue
 		}
 		var instanceSGIDsWithClusterTag []string
-		for _, group := range eni.Groups {
-			instanceSG := sgByID[aws.StringValue(group.GroupId)]
+		for _, eniSGID := range eniSGIDs {
+			instanceSG := sgByID[eniSGID]
 			for _, tag := range instanceSG.Tags {
 				if aws.StringValue(tag.Key) == clusterTag {
-					instanceSGIDsWithClusterTag = append(instanceSGIDsWithClusterTag, aws.StringValue(group.GroupId))
+					instanceSGIDsWithClusterTag = append(instanceSGIDsWithClusterTag, eniSGID)
 					break
 				}
 			}
 		}
 		if len(instanceSGIDsWithClusterTag) != 1 {
 			return nil, errors.Errorf("expect one securityGroup tagged with %v on eni %v, got %v",
-				clusterTag, aws.StringValue(eni.NetworkInterfaceId), len(instanceSGIDsWithClusterTag),
+				clusterTag, eniID, len(instanceSGIDsWithClusterTag),
 			)
 		}
 		instanceSGIDs.Insert(instanceSGIDsWithClusterTag[0])
diff --git a/internal/alb/sg/target_enis_resolver.go b/internal/alb/sg/target_enis_resolver.go
index d7850c615..cf8a36bb0 100644
--- a/internal/alb/sg/target_enis_resolver.go
+++ b/internal/alb/sg/target_enis_resolver.go
@@ -3,6 +3,8 @@ package sg
 import (
 	"context"
 
+	"github.com/kubernetes-sigs/aws-alb-ingress-controller/internal/utils"
+
 	"github.com/aws/aws-sdk-go/service/ec2"
 	"github.com/aws/aws-sdk-go/service/elbv2"
 	"github.com/kubernetes-sigs/aws-alb-ingress-controller/internal/alb/tg"
@@ -12,10 +14,44 @@ import (
 	"k8s.io/apimachinery/pkg/util/sets"
 )
 
+// the maximum number of filters in a single describeNetworkInterfaces call.
+const EC2DescribeNetworkInterfacesFilterLimit = 200
+
+type ENIInfo struct {
+	eni         *ec2.NetworkInterface
+	instanceENI *ec2.InstanceNetworkInterface
+}
+
+func NewENIInfoViaENI(eni *ec2.NetworkInterface) ENIInfo {
+	return ENIInfo{
+		eni: eni,
+	}
+}
+
+func NewENIInfoViaInstanceENI(instanceENI *ec2.InstanceNetworkInterface) ENIInfo {
+	return ENIInfo{
+		instanceENI: instanceENI,
+	}
+}
+
+func (e *ENIInfo) SecurityGroups() []string {
+	var groups []*ec2.GroupIdentifier
+	if e.eni != nil {
+		groups = e.eni.Groups
+	} else {
+		groups = e.instanceENI.Groups
+	}
+	result := sets.NewString()
+	for _, group := range groups {
+		result.Insert(aws.StringValue(group.GroupId))
+	}
+	return result.List()
+}
+
 // TargetENIsResolver resolves the ENIs that supports targets for target groups.
 type TargetENIsResolver interface {
 	// Resolve returns ENIs that supports targets for target groups.
-	Resolve(ctx context.Context, tgGroup tg.TargetGroupGroup) (map[string]*ec2.InstanceNetworkInterface, error)
+	Resolve(ctx context.Context, tgGroup tg.TargetGroupGroup) (map[string]ENIInfo, error)
 }
 
 func NewTargetENIsResolver(store store.Storer, cloud aws.CloudAPI) TargetENIsResolver {
@@ -30,113 +66,93 @@ type defaultTargetENIsResolver struct {
 	cloud aws.CloudAPI
 }
 
-func (r *defaultTargetENIsResolver) Resolve(ctx context.Context, tgGroup tg.TargetGroupGroup) (map[string]*ec2.InstanceNetworkInterface, error) {
-	instanceENIs, err := r.findClusterInstanceENIs()
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to get cluster ENIs")
-	}
-	targetENIIDs := sets.NewString()
+func (r *defaultTargetENIsResolver) Resolve(ctx context.Context, tgGroup tg.TargetGroupGroup) (map[string]ENIInfo, error) {
+	targetInstances := sets.NewString()
+	targetIPs := sets.NewString()
 	for _, tg := range tgGroup.TGByBackend {
 		if tg.TargetType == elbv2.TargetTypeEnumInstance {
-			eniIDs, err := r.findENIsSupportingTargetGroupOfTypeInstance(instanceENIs, tg)
-			if err != nil {
-				return nil, err
+			for _, endpoint := range tg.Targets {
+				targetInstances.Insert(aws.StringValue(endpoint.Id))
 			}
-			targetENIIDs = targetENIIDs.Union(eniIDs)
 		} else {
-			eniIDs, err := r.findENIsSupportingTargetGroupOfTypeIP(instanceENIs, tg)
-			if err != nil {
-				return nil, err
+			for _, endpoint := range tg.Targets {
+				targetIPs.Insert(aws.StringValue(endpoint.Id))
 			}
-			targetENIIDs = targetENIIDs.Union(eniIDs)
 		}
 	}
 
-	targetENIs := make(map[string]*ec2.InstanceNetworkInterface, len(targetENIIDs))
-	for _, enis := range instanceENIs {
-		for _, eni := range enis {
-			if targetENIIDs.Has(aws.StringValue(eni.NetworkInterfaceId)) {
-				targetENIs[aws.StringValue(eni.NetworkInterfaceId)] = eni
-			}
+	targetENIs := make(map[string]ENIInfo)
+	if targetInstances.Len() != 0 {
+		targetENIsByInstance, err := r.findENIsSupportingInstanceTarget(ctx, targetInstances)
+		if err != nil {
+			return nil, err
+		}
+		for eniID, eniInfo := range targetENIsByInstance {
+			targetENIs[eniID] = eniInfo
+		}
+	}
+	if targetIPs.Len() != 0 {
+		targetENIsByIP, err := r.findENIsSupportingIPTarget(ctx, targetIPs)
+		if err != nil {
+			return nil, err
+		}
+		for eniID, eniInfo := range targetENIsByIP {
+			targetENIs[eniID] = eniInfo
 		}
 	}
 	return targetENIs, nil
 }
 
-// findClusterInstanceENIs retrieves all ENIs attached to instances indexed by instanceID
-func (r *defaultTargetENIsResolver) findClusterInstanceENIs() (map[string][]*ec2.InstanceNetworkInterface, error) {
-	instanceIDs, err := r.store.GetClusterInstanceIDs()
-	if err != nil {
-		return nil, errors.Wrap(err, "failed to get instance IDs within cluster")
-	}
-	instances, err := r.cloud.GetInstancesByIDs(instanceIDs)
+func (r *defaultTargetENIsResolver) findENIsSupportingInstanceTarget(ctx context.Context, instanceIDs sets.String) (map[string]ENIInfo, error) {
+	instances, err := r.cloud.GetInstancesByIDs(instanceIDs.List())
 	if err != nil {
-		return nil, errors.Wrap(err, "failed to get instances within cluster")
+		return nil, errors.Wrap(err, "failed to get instance targets")
 	}
-	result := make(map[string][]*ec2.InstanceNetworkInterface)
+	targetENIs := make(map[string]ENIInfo, len(instances))
 	for _, instance := range instances {
-		result[aws.StringValue(instance.InstanceId)] = instance.NetworkInterfaces
-	}
-	return result, nil
-}
-
-// findENIsSupportingTargetGroupOfTypeInstance find the ID of ENIs that are used to supporting ingress traffic to targetGroup with targetType instance.
-// For targetType instance, traffic is routed into primary ENI of instance(eth0, i.e. deviceIndex == 0), other network interfaces are not used.
-func (r *defaultTargetENIsResolver) findENIsSupportingTargetGroupOfTypeInstance(instanceENIs map[string][]*ec2.InstanceNetworkInterface, group tg.TargetGroup) (sets.String, error) {
-	targetInstanceIDs := sets.NewString()
-	for _, endpoint := range group.Targets {
-		targetInstanceIDs.Insert(aws.StringValue(endpoint.Id))
-	}
-	targetENIs := sets.NewString()
-	for instanceID, enis := range instanceENIs {
-		if !targetInstanceIDs.Has(instanceID) {
-			continue
-		}
-		targetENI, err := r.findInstancePrimaryENI(enis)
+		primaryENI, err := r.findInstancePrimaryENI(instance.NetworkInterfaces)
 		if err != nil {
 			return nil, err
 		}
-		targetENIs.Insert(targetENI)
+		targetENIs[aws.StringValue(primaryENI.NetworkInterfaceId)] = NewENIInfoViaInstanceENI(primaryENI)
 	}
 	return targetENIs, nil
 }
 
-// findENIsSupportingTargetGroupOfTypeIP find the ID of ENIs that are used to supporting ingress traffic to targetGroup with targetType IP.
-// For targetType IP, traffic is routed into the ENI for specific pod IPs.
-// Warning: this function only works under CNI implementations that use ENI for pod IPs such as amazon k8s cni.
-func (r *defaultTargetENIsResolver) findENIsSupportingTargetGroupOfTypeIP(instanceENIs map[string][]*ec2.InstanceNetworkInterface, group tg.TargetGroup) (sets.String, error) {
-	targetPodIPs := sets.NewString()
-	for _, endpoint := range group.Targets {
-		targetPodIPs.Insert(aws.StringValue(endpoint.Id))
-	}
-	targetENIs := sets.NewString()
-	for _, enis := range instanceENIs {
-		targetENIs = targetENIs.Union(r.findInstanceAmazonCNIPodENIs(enis, targetPodIPs))
-	}
+func (r *defaultTargetENIsResolver) findENIsSupportingIPTarget(ctx context.Context, ips sets.String) (map[string]ENIInfo, error) {
+	// we'll add another vpc filter, so minus 1
+	ipChunks := utils.SplitStringSlice(ips.List(), EC2DescribeNetworkInterfacesFilterLimit-1)
 
+	targetENIs := make(map[string]ENIInfo)
+	for _, ipChunk := range ipChunks {
+		enis, err := r.cloud.DescribeNetworkInterfaces(ctx, &ec2.DescribeNetworkInterfacesInput{
+			Filters: []*ec2.Filter{
+				{
+					Name:   aws.String("vpc-id"),
+					Values: aws.StringSlice([]string{r.cloud.GetVpcID()}),
+				},
+				{
+					Name:   aws.String("addresses.private-ip-address"),
+					Values: aws.StringSlice(ipChunk),
+				},
+			},
+		})
+		if err != nil {
+			return nil, err
+		}
+		for _, eni := range enis {
+			targetENIs[aws.StringValue(eni.NetworkInterfaceId)] = NewENIInfoViaENI(eni)
+		}
+	}
 	return targetENIs, nil
 }
 
 // findInstancePrimaryENI returns the ID of primary ENI among list of eni on an EC2 instance
-func (r *defaultTargetENIsResolver) findInstancePrimaryENI(enis []*ec2.InstanceNetworkInterface) (string, error) {
+func (r *defaultTargetENIsResolver) findInstancePrimaryENI(enis []*ec2.InstanceNetworkInterface) (*ec2.InstanceNetworkInterface, error) {
 	for _, eni := range enis {
 		if aws.Int64Value(eni.Attachment.DeviceIndex) == 0 {
-			return aws.StringValue(eni.NetworkInterfaceId), nil
-		}
-	}
-	return "", errors.Errorf("[this should never happen] no primary ENI found")
-}
-
-// findInstanceAmazonCNIPodENIs returns the ID of ENIs that supports podsIPs under amazon-k8s-cni on a EC2 instance
-func (r *defaultTargetENIsResolver) findInstanceAmazonCNIPodENIs(enis []*ec2.InstanceNetworkInterface, podIPs sets.String) sets.String {
-	podsENIs := sets.NewString()
-	for _, eni := range enis {
-		for _, addr := range eni.PrivateIpAddresses {
-			if podIPs.Has(aws.StringValue(addr.PrivateIpAddress)) {
-				podsENIs.Insert(aws.StringValue(eni.NetworkInterfaceId))
-				break
-			}
+			return eni, nil
 		}
 	}
-	return podsENIs
+	return nil, errors.Errorf("[this should never happen] no primary ENI found")
 }
diff --git a/internal/aws/cloud.go b/internal/aws/cloud.go
index 1feaf29ee..943a2f9db 100644
--- a/internal/aws/cloud.go
+++ b/internal/aws/cloud.go
@@ -29,6 +29,7 @@ type CloudAPI interface {
 	WAFRegionalAPI
 
 	GetClusterName() string
+	GetVpcID() string
 }
 
 type Cloud struct {
@@ -84,3 +85,7 @@ func New(cfg CloudConfig, clusterName string, mc metric.Collector) (CloudAPI, er
 func (c *Cloud) GetClusterName() string {
 	return c.clusterName
 }
+
+func (c *Cloud) GetVpcID() string {
+	return c.vpcID
+}
diff --git a/internal/ingress/controller/store/dummy.go b/internal/ingress/controller/store/dummy.go
index 49aaf0064..113a52614 100644
--- a/internal/ingress/controller/store/dummy.go
+++ b/internal/ingress/controller/store/dummy.go
@@ -13,10 +13,9 @@ type Dummy struct {
 	GetIngressAnnotationsResponse *annotations.Ingress
 	GetServiceAnnotationsResponse *annotations.Service
 
-	GetServiceFunc            func(string) (*corev1.Service, error)
-	ListNodesFunc             func() []*corev1.Node
-	GetNodeInstanceIDFunc     func(*corev1.Node) (string, error)
-	GetClusterInstanceIDsFunc func() ([]string, error)
+	GetServiceFunc        func(string) (*corev1.Service, error)
+	ListNodesFunc         func() []*corev1.Node
+	GetNodeInstanceIDFunc func(*corev1.Node) (string, error)
 
 	GetServiceEndpointsFunc func(string) (*corev1.Endpoints, error)
 }
@@ -88,17 +87,11 @@ func (d *Dummy) GetInstanceIDFromPodIP(s string) (string, error) {
 	return "", nil
 }
 
-// GetClusterInstanceIDs is the mock for dummy store
-func (d *Dummy) GetClusterInstanceIDs() ([]string, error) {
-	return d.GetClusterInstanceIDsFunc()
-}
-
 func NewDummy() *Dummy {
 	return &Dummy{
 		GetServiceFunc:                func(_ string) (*corev1.Service, error) { return dummy.NewService(), nil },
 		ListNodesFunc:                 func() []*corev1.Node { return nil },
 		GetNodeInstanceIDFunc:         func(*corev1.Node) (string, error) { return "", nil },
-		GetClusterInstanceIDsFunc:     func() ([]string, error) { return nil, nil },
 		GetServiceEndpointsFunc:       func(string) (*corev1.Endpoints, error) { return nil, nil },
 		GetIngressAnnotationsResponse: annotations.NewIngressDummy(),
 		GetServiceAnnotationsResponse: annotations.NewServiceDummy(),
diff --git a/internal/ingress/controller/store/mock_Storer.go b/internal/ingress/controller/store/mock_Storer.go
index 594a5fccf..427741f0f 100644
--- a/internal/ingress/controller/store/mock_Storer.go
+++ b/internal/ingress/controller/store/mock_Storer.go
@@ -16,29 +16,6 @@ type MockStorer struct {
 	mock.Mock
 }
 
-// GetClusterInstanceIDs provides a mock function with given fields:
-func (_m *MockStorer) GetClusterInstanceIDs() ([]string, error) {
-	ret := _m.Called()
-
-	var r0 []string
-	if rf, ok := ret.Get(0).(func() []string); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).([]string)
-		}
-	}
-
-	var r1 error
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
 // GetConfig provides a mock function with given fields:
 func (_m *MockStorer) GetConfig() *config.Configuration {
 	ret := _m.Called()
diff --git a/internal/ingress/controller/store/store.go b/internal/ingress/controller/store/store.go
index 9c3158b86..ba0537fc0 100644
--- a/internal/ingress/controller/store/store.go
+++ b/internal/ingress/controller/store/store.go
@@ -62,9 +62,6 @@ type Storer interface {
 
 	// GetNodeInstanceID gets the instance id of node
 	GetNodeInstanceID(node *corev1.Node) (string, error)
-
-	// GetClusterInstanceIDs gets id of all instances inside cluster
-	GetClusterInstanceIDs() ([]string, error)
 }
 
 // Informer defines the required SharedIndexInformers that interact with the API server.
@@ -342,14 +339,3 @@ func (s *k8sStore) GetInstanceIDFromPodIP(ip string) (string, error) {
 
 	return "", fmt.Errorf("Unable to locate a host for pod ip: %v", ip)
 }
-
-func (s *k8sStore) GetClusterInstanceIDs() (result []string, err error) {
-	for _, node := range s.ListNodes() {
-		instanceID, err := s.GetNodeInstanceID(node)
-		if err != nil {
-			return nil, err
-		}
-		result = append(result, instanceID)
-	}
-	return result, nil
-}
diff --git a/internal/utils/strings.go b/internal/utils/strings.go
index 265d9dd61..e2cd000b9 100644
--- a/internal/utils/strings.go
+++ b/internal/utils/strings.go
@@ -26,3 +26,16 @@ func SplitMapStringBool(str string) (map[string]bool, error) {
 	}
 	return result, nil
 }
+
+func SplitStringSlice(strSlice []string, chunkSize int) [][]string {
+	sliceLen := len(strSlice)
+	var result [][]string
+	for i := 0; i < sliceLen; i += chunkSize {
+		end := i + chunkSize
+		if end > sliceLen {
+			end = sliceLen
+		}
+		result = append(result, strSlice[i:end])
+	}
+	return result
+}
diff --git a/mocks/CloudAPI.go b/mocks/CloudAPI.go
index 4d7bb17bb..9d0d0f491 100644
--- a/mocks/CloudAPI.go
+++ b/mocks/CloudAPI.go
@@ -900,6 +900,20 @@ func (_m *CloudAPI) GetTargetGroupByName(_a0 context.Context, _a1 string) (*elbv
 	return r0, r1
 }
 
+// GetVpcID provides a mock function with given fields:
+func (_m *CloudAPI) GetVpcID() string {
+	ret := _m.Called()
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func() string); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	return r0
+}
+
 // GetVpcWithContext provides a mock function with given fields: _a0
 func (_m *CloudAPI) GetVpcWithContext(_a0 context.Context) (*ec2.Vpc, error) {
 	ret := _m.Called(_a0)


Test patch:
diff --git a/test/e2e/framework/framework.go b/test/e2e/framework/framework.go
index 28d1cc9c3..6ff9b3ff7 100644
--- a/test/e2e/framework/framework.go
+++ b/test/e2e/framework/framework.go
@@ -23,7 +23,7 @@ type Framework struct {
 	Cloud           aws.CloudAPI
 	ResourceManager *resource.Manager
 
-	Options Options
+	Options *Options
 
 	// To make sure that this framework cleans up after itself, no matter what,
 	// we install a Cleanup action before each test and clear it after.  If we
@@ -34,7 +34,7 @@ type Framework struct {
 // New makes a new framework and sets up a BeforeEach/AfterEach for you.
 func New() *Framework {
 	f := &Framework{
-		Options: globalOptions,
+		Options: &globalOptions,
 	}
 
 	ginkgo.BeforeEach(f.BeforeEach)
diff --git a/test/e2e/framework/options.go b/test/e2e/framework/options.go
index bec2c0c67..e8f81fe60 100644
--- a/test/e2e/framework/options.go
+++ b/test/e2e/framework/options.go
@@ -9,10 +9,6 @@ import (
 
 func init() {
 	globalOptions.BindFlags()
-	flag.Parse()
-	if err := globalOptions.Validate(); err != nil {
-		panic(err)
-	}
 }
 
 var globalOptions Options
@@ -24,6 +20,12 @@ type Options struct {
 	AWSVPCID    string
 }
 
+func ValidateGlobalOptions() {
+	if err := globalOptions.Validate(); err != nil {
+		panic(err)
+	}
+}
+
 func (options *Options) BindFlags() {
 	flag.StringVar(&options.KubeConfig, clientcmd.RecommendedConfigPathFlag, "", "Path to kubeconfig containing embedded authinfo (required)")
 	flag.StringVar(&options.ClusterName, "cluster-name", "", `Kubernetes cluster name (required)`)
diff --git a/test/e2e/suite_test.go b/test/e2e/suite_test.go
index 4eb43a8fb..c0c7ab1aa 100644
--- a/test/e2e/suite_test.go
+++ b/test/e2e/suite_test.go
@@ -1,6 +1,7 @@
 package e2e_test
 
 import (
+	"flag"
 	"testing"
 
 	"github.com/kubernetes-sigs/aws-alb-ingress-controller/test/e2e/framework"
@@ -19,6 +20,9 @@ var _ = SynchronizedAfterSuite(func() {
 })
 
 func TestE2E(t *testing.T) {
+	flag.Parse()
+	framework.ValidateGlobalOptions()
+
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "E2e Suite")
 }