Repository: knative/serving
Pull request #11887 (2021-08-30 11:05:31)

[Automated] Update net-contour nightly
/assign @knative/networking-wg-leads
/cc @knative/networking-wg-leads

Produced via:
```shell
for x in net-contour.yaml contour.yaml; do
  curl https://storage.googleapis.com/knative-nightly/net-contour/latest/$x > ${GITHUB_WORKSPACE}/./third_party/contour-latest/$x
done
```

Details:
```
bumping knative.dev/net-contour 0fc8f4d...91fedb7:
  > 91fedb7 upgrade to latest dependencies (# 602)
  > 1a91aad Add some more newb friendly local dev blurb to DEVELOPMENT.MD (# 601)
  > 354b38f Bump Contour to v1.18.1 (# 600)
  > f494cc3 upgrade to latest dependencies (# 598)
  > ca90729 upgrade to latest dependencies (# 597)
  > bce8981 Skip HTTPOption test until implemented # 615 (# 592)
  > 5af16d8 Update community files (# 590)
  > 25608f6 upgrade to latest dependencies (# 589)
```

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This pull-request has been approved by: *<a href="https://github.com/knative/serving/pull/11887#" title="Author self-approved">knative-automation</a>*
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<!-- META={"approvers":["zhiminxiang"]} -->
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> The diff coverage is `n/a`.

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```diff
@@            Coverage Diff             @@
##             main   #11887      +/-   ##
==========================================
- Coverage   87.78%   87.75%   -0.04%     
==========================================
  Files         196      196              
  Lines        9430     9430              
==========================================
- Hits         8278     8275       -3     
- Misses        893      894       +1     
- Partials      259      261       +2     
```


| [Impacted Files](https://codecov.io/gh/knative/serving/pull/11887?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative) | Coverage Δ | |
|---|---|---|
| [pkg/reconciler/revision/reconcile\_resources.go](https://codecov.io/gh/knative/serving/pull/11887/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative#diff-cGtnL3JlY29uY2lsZXIvcmV2aXNpb24vcmVjb25jaWxlX3Jlc291cmNlcy5nbw==) | `80.72% <0.00%> (-2.41%)` | :arrow_down: |
| [pkg/reconciler/configuration/configuration.go](https://codecov.io/gh/knative/serving/pull/11887/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=knative#diff-cGtnL3JlY29uY2lsZXIvY29uZmlndXJhdGlvbi9jb25maWd1cmF0aW9uLmdv) | `86.15% <0.00%> (-0.77%)` | :arrow_down: |

------

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knative-prow-robot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/knative/serving/pull/11887#" title="Author self-approved">knative-automation</a>*, *<a href="https://github.com/knative/serving/pull/11887#pullrequestreview-741541318" title="Approved">markusthoemmes</a>*

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=knative%2Fserving).

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

- ~~[third_party/OWNERS](https://github.com/knative/serving/blob/main/third_party/OWNERS)~~ [markusthoemmes]

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knative-prow-robot: @knative-automation: The following test **failed**, say `/retest` to rerun all failed tests or `/retest-required` to rerun all mandatory failed tests:

Test name | Commit | Details | Rerun command
--- | --- | --- | ---
pull-knative-serving-contour-latest | 0e037418321c197bd8819cff36e1723cda16b6a3 | [link](https://prow.knative.dev/view/gs/knative-prow/pr-logs/pull/knative_serving/11887/pull-knative-serving-contour-latest/1432298454779957248) | `/test pull-knative-serving-contour-latest`

[Full PR test history](https://gubernator.knative.dev/pr/knative_serving/11887). [Your PR dashboard](https://gubernator.knative.dev/pr/knative-automation).

<details>

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</details>
<!-- test report -->
knative-prow-robot: New changes are detected. LGTM label has been removed.
knative-prow-robot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/knative/serving/pull/11887#" title="Author self-approved">knative-automation</a>*, *<a href="https://github.com/knative/serving/pull/11887#pullrequestreview-743668457" title="Approved">markusthoemmes</a>*

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=knative%2Fserving).

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

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knative-prow-robot: @knative-automation: The following test **failed**, say `/retest` to rerun all failed tests or `/retest-required` to rerun all mandatory failed tests:

Test name | Commit | Details | Rerun command
--- | --- | --- | ---
pull-knative-serving-contour-latest | 5bede52eeef461cc96ba7c23be7b28fe14352224 | [link](https://prow.knative.dev/view/gs/knative-prow/pr-logs/pull/knative_serving/11887/pull-knative-serving-contour-latest/1432992509922906112) | `/test pull-knative-serving-contour-latest`

[Full PR test history](https://gubernator.knative.dev/pr/knative_serving/11887). [Your PR dashboard](https://gubernator.knative.dev/pr/knative-automation).

<details>

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<!-- test report -->
knative-prow-robot: New changes are detected. LGTM label has been removed.
knative-prow-robot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/knative/serving/pull/11887#" title="Author self-approved">knative-automation</a>*, *<a href="https://github.com/knative/serving/pull/11887#pullrequestreview-746020366" title="Approved">markusthoemmes</a>*

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<details >
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Patch:
diff --git a/go.mod b/go.mod
index a8e7afb89..3826ef8b8 100644
--- a/go.mod
+++ b/go.mod
@@ -45,9 +45,9 @@ require (
 	k8s.io/code-generator v0.21.4
 	k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7
 	k8s.io/utils v0.0.0-20210111153108-fddb29f9d009 // indirect
-	knative.dev/caching v0.0.0-20210831064556-77b5d6ab7525
+	knative.dev/caching v0.0.0-20210903022457-553240b1b365
 	knative.dev/hack v0.0.0-20210806075220-815cd312d65c
-	knative.dev/networking v0.0.0-20210902120205-ee93e22aa557
-	knative.dev/pkg v0.0.0-20210902202457-7a61343b36ca
+	knative.dev/networking v0.0.0-20210903055657-5f2e230c665f
+	knative.dev/pkg v0.0.0-20210903055557-dec98b426132
 	sigs.k8s.io/yaml v1.2.0
 )
diff --git a/go.sum b/go.sum
index 97a38091a..faf5dcb8a 100644
--- a/go.sum
+++ b/go.sum
@@ -1526,15 +1526,15 @@ k8s.io/legacy-cloud-providers v0.21.0/go.mod h1:bNxo7gDg+PGkBmT/MFZswLTWdSWK9kAl
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 k8s.io/utils v0.0.0-20210111153108-fddb29f9d009 h1:0T5IaWHO3sJTEmCP6mUlBvMukxPKUQWqiI/YuiBNMiQ=
 k8s.io/utils v0.0.0-20210111153108-fddb29f9d009/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
-knative.dev/caching v0.0.0-20210831064556-77b5d6ab7525 h1:dy2VJqa2gCVGhU9rNXu59W3pmiAexCKoh03Un+K3L/g=
-knative.dev/caching v0.0.0-20210831064556-77b5d6ab7525/go.mod h1:m+qT5SoXDbEm0DqBw9LTheZIi/UlQ5YqSsvjgFSom1k=
+knative.dev/caching v0.0.0-20210903022457-553240b1b365 h1:p8jEwTrExGkeEL3ytXCOKG4CHAyJM/lWitVzqxt00ZI=
+knative.dev/caching v0.0.0-20210903022457-553240b1b365/go.mod h1:J2o0f0nayAT6ZaXy9yo4GyEcoPyJndMrh+4X5kQTQ5w=
 knative.dev/hack v0.0.0-20210806075220-815cd312d65c h1:nOXoDWAAItwr4o0dp3nHr6skgpVD4IvME/UX84YNl5k=
 knative.dev/hack v0.0.0-20210806075220-815cd312d65c/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
-knative.dev/networking v0.0.0-20210902120205-ee93e22aa557 h1:Wuss+xFFkH4xitrk6n2YV75Q7HzkVcF+HiDt+ptXfHg=
-knative.dev/networking v0.0.0-20210902120205-ee93e22aa557/go.mod h1:dJaJfTZQlZqqtvKA59ihb5Ndl7KtCn6PW7VVr+fls5Q=
-knative.dev/pkg v0.0.0-20210830224055-82f3a9f1c5bc/go.mod h1:jMSqkNMsrzuy+XR4Yr/BMy7SDVbUOl3KKB6+5MR+ZU8=
-knative.dev/pkg v0.0.0-20210902202457-7a61343b36ca h1:1tsBZgj1FheRcDQrIReteUiU/afjTZG8j5hTM3iBkJQ=
+knative.dev/networking v0.0.0-20210903055657-5f2e230c665f h1:83X6Ck5L53bXVu2MMsS4cFZInBcjoIzI0hEd6mWOIsU=
+knative.dev/networking v0.0.0-20210903055657-5f2e230c665f/go.mod h1:RU3UlJNSFKwyCWUV0tOGtlcca+WA83M3QxBl1wi/vhw=
 knative.dev/pkg v0.0.0-20210902202457-7a61343b36ca/go.mod h1:jMSqkNMsrzuy+XR4Yr/BMy7SDVbUOl3KKB6+5MR+ZU8=
+knative.dev/pkg v0.0.0-20210903055557-dec98b426132 h1:+iDyXF8cRdFclCu8eUTRBjxQ9ApE3KkleBScMl/3wHU=
+knative.dev/pkg v0.0.0-20210903055557-dec98b426132/go.mod h1:jMSqkNMsrzuy+XR4Yr/BMy7SDVbUOl3KKB6+5MR+ZU8=
 pgregory.net/rapid v0.3.3 h1:jCjBsY4ln4Atz78QoBWxUEvAHaFyNDQg9+WU62aCn1U=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
diff --git a/pkg/reconciler/route/resources/ingress.go b/pkg/reconciler/route/resources/ingress.go
index 1b2f7e09e..e081b3f69 100644
--- a/pkg/reconciler/route/resources/ingress.go
+++ b/pkg/reconciler/route/resources/ingress.go
@@ -19,7 +19,9 @@ package resources
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"sort"
+	"strings"
 
 	"github.com/davecgh/go-spew/spew"
 	"go.uber.org/zap"
@@ -193,16 +195,9 @@ func makeIngressSpec(
 		}
 	}
 
-	var httpOption netv1alpha1.HTTPOption
-
-	switch config.FromContext(ctx).Network.HTTPProtocol {
-	case network.HTTPEnabled:
-		httpOption = netv1alpha1.HTTPOptionEnabled
-	case network.HTTPRedirected:
-		httpOption = netv1alpha1.HTTPOptionRedirected
-	// This will be deprecated soon
-	case network.HTTPDisabled:
-		httpOption = ""
+	httpOption, err := getHTTPOption(ctx, r.Annotations)
+	if err != nil {
+		return netv1alpha1.IngressSpec{}, err
 	}
 
 	return netv1alpha1.IngressSpec{
@@ -212,6 +207,32 @@ func makeIngressSpec(
 	}, nil
 }
 
+func getHTTPOption(ctx context.Context, annotations map[string]string) (netv1alpha1.HTTPOption, error) {
+	if len(annotations) != 0 && annotations[networking.HTTPOptionAnnotationKey] != "" {
+		annotation := annotations[networking.HTTPOptionAnnotationKey]
+		switch strings.ToLower(annotation) {
+		case "enabled":
+			return netv1alpha1.HTTPOptionEnabled, nil
+		case "redirected":
+			return netv1alpha1.HTTPOptionRedirected, nil
+		default:
+			return "", fmt.Errorf("incorrect HTTPOption annotation:" + annotation)
+		}
+	}
+
+	switch config.FromContext(ctx).Network.HTTPProtocol {
+	case network.HTTPEnabled:
+		return netv1alpha1.HTTPOptionEnabled, nil
+	case network.HTTPRedirected:
+		return netv1alpha1.HTTPOptionRedirected, nil
+	// This will be deprecated soon
+	case network.HTTPDisabled:
+		return "", nil
+	default:
+		return "", nil
+	}
+}
+
 func getChallengeHosts(challenges []netv1alpha1.HTTP01Challenge) map[string]netv1alpha1.HTTP01Challenge {
 	c := make(map[string]netv1alpha1.HTTP01Challenge, len(challenges))
 
diff --git a/vendor/knative.dev/pkg/webhook/json/decode.go b/vendor/knative.dev/pkg/webhook/json/decode.go
index 9e206a10b..b62caec61 100644
--- a/vendor/knative.dev/pkg/webhook/json/decode.go
+++ b/vendor/knative.dev/pkg/webhook/json/decode.go
@@ -81,11 +81,7 @@ func Decode(bites []byte, target interface{}, disallowUnknownFields bool) error
 		bytes.NewReader(metaSuffix),
 	))
 
-	if err := dec.Decode(target); err != nil {
-		return err
-	}
-
-	return nil
+	return dec.Decode(target)
 }
 
 func findMetadataOffsets(bites []byte) (start, end int64, err error) {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 73877e941..2f445c192 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1017,7 +1017,7 @@ k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/pointer
 k8s.io/utils/trace
-# knative.dev/caching v0.0.0-20210831064556-77b5d6ab7525
+# knative.dev/caching v0.0.0-20210903022457-553240b1b365
 ## explicit
 knative.dev/caching/config
 knative.dev/caching/pkg/apis/caching
@@ -1042,7 +1042,7 @@ knative.dev/caching/pkg/client/listers/caching/v1alpha1
 ## explicit
 knative.dev/hack
 knative.dev/hack/shell
-# knative.dev/networking v0.0.0-20210902120205-ee93e22aa557
+# knative.dev/networking v0.0.0-20210903055657-5f2e230c665f
 ## explicit
 knative.dev/networking/config
 knative.dev/networking/pkg
@@ -1072,7 +1072,7 @@ knative.dev/networking/pkg/client/injection/reconciler/networking/v1alpha1/serve
 knative.dev/networking/pkg/client/listers/networking/v1alpha1
 knative.dev/networking/pkg/ingress
 knative.dev/networking/pkg/prober
-# knative.dev/pkg v0.0.0-20210902202457-7a61343b36ca
+# knative.dev/pkg v0.0.0-20210903055557-dec98b426132
 ## explicit
 knative.dev/pkg/apiextensions/storageversion
 knative.dev/pkg/apiextensions/storageversion/cmd/migrate


Test patch:
diff --git a/pkg/reconciler/route/resources/ingress_test.go b/pkg/reconciler/route/resources/ingress_test.go
index 2a302fca1..f955e0b08 100644
--- a/pkg/reconciler/route/resources/ingress_test.go
+++ b/pkg/reconciler/route/resources/ingress_test.go
@@ -1045,6 +1045,50 @@ func TestMakeIngressWithTLS(t *testing.T) {
 	}
 }
 
+func TestMakeIngressWithHTTPOption(t *testing.T) {
+	targets := map[string]traffic.RevisionTargets{}
+	ingressClass := "foo-ingress"
+	tls := []netv1alpha1.IngressTLS{{
+		Hosts:      []string{"*.default.domain.com"},
+		SecretName: "secret",
+	}}
+	tests := []struct {
+		name                 string
+		httpOptionAnnotation string
+		wantOption           netv1alpha1.HTTPOption
+		wantError            bool
+	}{{
+		name:                 "Route annotation HTTPOption enabled",
+		httpOptionAnnotation: "Enabled",
+		wantOption:           netv1alpha1.HTTPOptionEnabled,
+	}, {
+		name:       "No HTTPOption annotation",
+		wantOption: netv1alpha1.HTTPOptionRedirected,
+	}, {
+		name:                 "Incorrect HTTPOption annotation",
+		httpOptionAnnotation: "INCORRECT",
+		wantError:            true,
+	}}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			annotations := map[string]string{
+				networking.HTTPOptionAnnotationKey: tc.httpOptionAnnotation,
+			}
+			r := Route(ns, "test-route", WithURL, WithRouteAnnotation(annotations))
+			got, err := MakeIngress(testContextWithHTTPOption(), r, &traffic.Config{Targets: targets}, tls, ingressClass)
+			if (err != nil) != tc.wantError {
+				t.Fatalf("MakeIngress() error = %v, WantErr %v", err, tc.wantError)
+			}
+			if tc.wantError {
+				return
+			}
+			if diff := cmp.Diff(tc.wantOption, got.Spec.HTTPOption); diff != "" {
+				t.Error("Unexpected Ingress (-want, +got):", diff)
+			}
+		})
+	}
+}
+
 func TestMakeIngressTLS(t *testing.T) {
 	cert := &netv1alpha1.Certificate{
 		ObjectMeta: metav1.ObjectMeta{
@@ -1250,3 +1294,9 @@ func testContext() context.Context {
 		Defaults: configDefaults,
 	}), cfg)
 }
+
+func testContextWithHTTPOption() context.Context {
+	cfg := testConfig()
+	cfg.Network.HTTPProtocol = network.HTTPRedirected
+	return config.ToContext(context.Background(), cfg)
+}
diff --git a/test/e2e-tests.sh b/test/e2e-tests.sh
index cdf763ddb..289f885e2 100755
--- a/test/e2e-tests.sh
+++ b/test/e2e-tests.sh
@@ -71,9 +71,9 @@ fi
 
 toggle_feature autocreateClusterDomainClaims true config-network || fail_test
 go_test_e2e -timeout=30m \
- ./test/conformance/api/... \
- ./test/conformance/runtime/... \
- ./test/e2e \
+  ./test/conformance/api/... \
+  ./test/conformance/runtime/... \
+  ./test/e2e \
   ${parallelism} \
   ${TEST_OPTIONS} || failed=1
 toggle_feature autocreateClusterDomainClaims false config-network || fail_test
diff --git a/third_party/contour-latest/contour.yaml b/third_party/contour-latest/contour.yaml
index c03dbf234..6d8b9573d 100644
--- a/third_party/contour-latest/contour.yaml
+++ b/third_party/contour-latest/contour.yaml
@@ -50,8 +50,9 @@ data:
     #   determine which XDS Server implementation to utilize in Contour.
     #   xds-server-type: contour
     #
-    # Specify the gateway-api Gateway Contour should watch.
+    # Specify the Gateway API configuration.
     # gateway:
+    #   controllerName: projectcontour.io/projectcontour/contour
     #   name: contour
     #   namespace: contour-external
     #
@@ -89,9 +90,18 @@ data:
     # leaderelection:
     #   configmap-name: leader-elect
     #   configmap-namespace: contour-external
+    ####
+    # ExternalName Services are disabled by default due to CVE-2021-XXXXX
+    # You can re-enable them by setting this setting to `true`.
+    # This is not recommended without understanding the security implications.
+    # Please see the advisory at https://github.com/projectcontour/contour/security/advisories/GHSA-5ph6-qq5x-7jwc for the details.
+    enableExternalNameService: true
+    ##
     ### Logging options
     # Default setting
     accesslog-format: envoy
+    # The default access log format is defined by Envoy but it can be customized by setting following variable.
+    # accesslog-format-string: "...\n"
     # To enable JSON logging in Envoy
     # accesslog-format: json
     # The default fields that will be logged are specified below.
@@ -145,6 +155,8 @@ data:
     #   Configure the number of additional ingress proxy hops from the
     #   right side of the x-forwarded-for HTTP header to trust.
     #   num-trusted-hops: 0
+    #   Configure the port used to access the Envoy Admin interface.
+    #   admin-port: 9001
     #
     # Configure an optional global rate limit service.
     # rateLimitService:
@@ -186,7 +198,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.4.1
+    controller-gen.kubebuilder.io/version: v0.5.0
   creationTimestamp: null
   name: extensionservices.projectcontour.io
   labels:
@@ -296,7 +308,7 @@ spec:
                   description: UpstreamValidation defines how to verify the backend service's certificate
                   properties:
                     caSecret:
-                      description: Name of the Kubernetes secret be used to validate the certificate presented by the backend
+                      description: Name or namespaced name of the Kubernetes secret used to validate the certificate presented by the backend
                       type: string
                     subjectName:
                       description: Key which is expected to be present in the 'subjectAltName' of the presented certificate
@@ -443,7 +455,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.4.1
+    controller-gen.kubebuilder.io/version: v0.5.0
   creationTimestamp: null
   name: httpproxies.projectcontour.io
   labels:
@@ -522,6 +534,9 @@ spec:
                                 notexact:
                                   description: NoExact specifies a string that the header value must not be equal to. The condition is true if the header has any other value.
                                   type: string
+                                notpresent:
+                                  description: NotPresent specifies that condition is true when the named header is not present. Note that setting NotPresent to false does not make the condition true if the named header is present.
+                                  type: boolean
                                 present:
                                   description: Present specifies that condition is true when the named header is present, regardless of its value. Note that setting Present to false does not make the condition true if the named header is absent.
                                   type: boolean
@@ -543,6 +558,9 @@ spec:
                       - name
                     type: object
                   type: array
+                ingressClassName:
+                  description: IngressClassName optionally specifies the ingress class to use for this HTTPProxy. This replaces the deprecated `kubernetes.io/ingress.class` annotation. For backwards compatibility, when that annotation is set, it is given precedence over this field.
+                  type: string
                 routes:
                   description: Routes are the ingress routes. If TCPProxy is present, Routes is ignored.
                   items:
@@ -583,6 +601,9 @@ spec:
                                 notexact:
                                   description: NoExact specifies a string that the header value must not be equal to. The condition is true if the header has any other value.
                                   type: string
+                                notpresent:
+                                  description: NotPresent specifies that condition is true when the named header is not present. Note that setting NotPresent to false does not make the condition true if the named header is present.
+                                  type: boolean
                                 present:
                                   description: Present specifies that condition is true when the named header is present, regardless of its value. Note that setting Present to false does not make the condition true if the named header is absent.
                                   type: boolean
@@ -718,6 +739,49 @@ spec:
                                                 minLength: 1
                                                 type: string
                                             type: object
+                                          requestHeaderValueMatch:
+                                            description: RequestHeaderValueMatch defines a descriptor entry that's populated if the request's headers match a set of 1+ match criteria. The descriptor key is "header_match", and the descriptor value is static.
+                                            properties:
+                                              expectMatch:
+                                                default: true
+                                                description: ExpectMatch defines whether the request must positively match the match criteria in order to generate a descriptor entry (i.e. true), or not match the match criteria in order to generate a descriptor entry (i.e. false). The default is true.
+                                                type: boolean
+                                              headers:
+                                                description: Headers is a list of 1+ match criteria to apply against the request to determine whether to populate the descriptor entry or not.
+                                                items:
+                                                  description: HeaderMatchCondition specifies how to conditionally match against HTTP headers. The Name field is required, but only one of the remaining fields should be be provided.
+                                                  properties:
+                                                    contains:
+                                                      description: Contains specifies a substring that must be present in the header value.
+                                                      type: string
+                                                    exact:
+                                                      description: Exact specifies a string that the header value must be equal to.
+                                                      type: string
+                                                    name:
+                                                      description: Name is the name of the header to match against. Name is required. Header names are case insensitive.
+                                                      type: string
+                                                    notcontains:
+                                                      description: NotContains specifies a substring that must not be present in the header value.
+                                                      type: string
+                                                    notexact:
+                                                      description: NoExact specifies a string that the header value must not be equal to. The condition is true if the header has any other value.
+                                                      type: string
+                                                    notpresent:
+                                                      description: NotPresent specifies that condition is true when the named header is not present. Note that setting NotPresent to false does not make the condition true if the named header is present.
+                                                      type: boolean
+                                                    present:
+                                                      description: Present specifies that condition is true when the named header is present, regardless of its value. Note that setting Present to false does not make the condition true if the named header is absent.
+                                                      type: boolean
+                                                  required:
+                                                    - name
+                                                  type: object
+                                                minItems: 1
+                                                type: array
+                                              value:
+                                                description: Value defines the value of the descriptor entry.
+                                                minLength: 1
+                                                type: string
+                                            type: object
                                         type: object
                                       minItems: 1
                                       type: array
@@ -948,7 +1012,7 @@ spec:
                               description: UpstreamValidation defines how to verify the backend service's certificate
                               properties:
                                 caSecret:
-                                  description: Name of the Kubernetes secret be used to validate the certificate presented by the backend
+                                  description: Name or namespaced name of the Kubernetes secret used to validate the certificate presented by the backend
                                   type: string
                                 subjectName:
                                   description: Key which is expected to be present in the 'subjectAltName' of the presented certificate
@@ -1138,7 +1202,7 @@ spec:
                             description: UpstreamValidation defines how to verify the backend service's certificate
                             properties:
                               caSecret:
-                                description: Name of the Kubernetes secret be used to validate the certificate presented by the backend
+                                description: Name or namespaced name of the Kubernetes secret used to validate the certificate presented by the backend
                                 type: string
                               subjectName:
                                 description: Key which is expected to be present in the 'subjectAltName' of the presented certificate
@@ -1162,7 +1226,7 @@ spec:
                   description: Virtualhost appears at most once. If it is present, the object is considered to be a "root" HTTPProxy.
                   properties:
                     authorization:
-                      description: This field configures an extension service to perform authorization for this virtual host. Authorization can only be configured on virtual hosts that have TLS enabled. If the TLS configuration requires client certificate /validation, the client certificate is always included in the authentication check request.
+                      description: This field configures an extension service to perform authorization for this virtual host. Authorization can only be configured on virtual hosts that have TLS enabled. If the TLS configuration requires client certificate validation, the client certificate is always included in the authentication check request.
                       properties:
                         authPolicy:
                           description: AuthPolicy sets a default authorization policy for client requests. This policy will be used unless overridden by individual routes.
@@ -1286,6 +1350,49 @@ spec:
                                               minLength: 1
                                               type: string
                                           type: object
+                                        requestHeaderValueMatch:
+                                          description: RequestHeaderValueMatch defines a descriptor entry that's populated if the request's headers match a set of 1+ match criteria. The descriptor key is "header_match", and the descriptor value is static.
+                                          properties:
+                                            expectMatch:
+                                              default: true
+                                              description: ExpectMatch defines whether the request must positively match the match criteria in order to generate a descriptor entry (i.e. true), or not match the match criteria in order to generate a descriptor entry (i.e. false). The default is true.
+                                              type: boolean
+                                            headers:
+                                              description: Headers is a list of 1+ match criteria to apply against the request to determine whether to populate the descriptor entry or not.
+                                              items:
+                                                description: HeaderMatchCondition specifies how to conditionally match against HTTP headers. The Name field is required, but only one of the remaining fields should be be provided.
+                                                properties:
+                                                  contains:
+                                                    description: Contains specifies a substring that must be present in the header value.
+                                                    type: string
+                                                  exact:
+                                                    description: Exact specifies a string that the header value must be equal to.
+                                                    type: string
+                                                  name:
+                                                    description: Name is the name of the header to match against. Name is required. Header names are case insensitive.
+                                                    type: string
+                                                  notcontains:
+                                                    description: NotContains specifies a substring that must not be present in the header value.
+                                                    type: string
+                                                  notexact:
+                                                    description: NoExact specifies a string that the header value must not be equal to. The condition is true if the header has any other value.
+                                                    type: string
+                                                  notpresent:
+                                                    description: NotPresent specifies that condition is true when the named header is not present. Note that setting NotPresent to false does not make the condition true if the named header is present.
+                                                    type: boolean
+                                                  present:
+                                                    description: Present specifies that condition is true when the named header is present, regardless of its value. Note that setting Present to false does not make the condition true if the named header is absent.
+                                                    type: boolean
+                                                required:
+                                                  - name
+                                                type: object
+                                              minItems: 1
+                                              type: array
+                                            value:
+                                              description: Value defines the value of the descriptor entry.
+                                              minLength: 1
+                                              type: string
+                                          type: object
                                       type: object
                                     minItems: 1
                                     type: array
@@ -1345,14 +1452,15 @@ spec:
                       description: If present the fields describes TLS properties of the virtual host. The SNI names that will be matched on are described in fqdn, the tls.secretName secret must contain a certificate that itself contains a name that matches the FQDN.
                       properties:
                         clientValidation:
-                          description: "ClientValidation defines how to verify the client certificate when an external client establishes a TLS connection to Envoy. \n This setting: \n 1. Enables TLS client certificate validation. 2. Requires clients to present a TLS certificate (i.e. not optional validation). 3. Specifies how the client certificate will be validated."
+                          description: "ClientValidation defines how to verify the client certificate when an external client establishes a TLS connection to Envoy. \n This setting: \n 1. Enables TLS client certificate validation. 2. Specifies how the client certificate will be validated (i.e.    validation required or skipped). \n Note: Setting client certificate validation to be skipped should be only used in conjunction with an external authorization server that performs client validation as Contour will ensure client certificates are passed along."
                           properties:
                             caSecret:
-                              description: Name of a Kubernetes secret that contains a CA certificate bundle. The client certificate must validate against the certificates in the bundle.
+                              description: Name of a Kubernetes secret that contains a CA certificate bundle. The client certificate must validate against the certificates in the bundle. If specified and SkipClientCertValidation is true, client certificates will be required on requests.
                               minLength: 1
                               type: string
-                          required:
-                            - caSecret
+                            skipClientCertValidation:
+                              description: SkipClientCertValidation disables downstream client certificate validation. Defaults to false. This field is intended to be used in conjunction with external authorization in order to enable the external authorization server to validate client certificates. When this field is set to true, client certificates are requested but not verified by Envoy. If CACertificate is specified, client certificates are required on requests, but not verified. If external authorization is in use, they are presented to the external authorization server.
+                              type: boolean
                           type: object
                         enableFallbackCertificate:
                           description: EnableFallbackCertificate defines if the vhost should allow a default certificate to be applied which handles all requests which don't match the SNI defined in this vhost.
@@ -1553,7 +1661,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.4.1
+    controller-gen.kubebuilder.io/version: v0.5.0
   creationTimestamp: null
   name: tlscertificatedelegations.projectcontour.io
   labels:
@@ -1783,7 +1891,7 @@ rules:
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: contour-certgen-v1.14.0
+  name: contour-certgen-v1.18.1
   namespace: contour-external
   labels:
     networking.knative.dev/ingress-provider: contour
@@ -1796,7 +1904,7 @@ spec:
     spec:
       containers:
         - name: contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           command:
             - contour
@@ -1903,13 +2011,28 @@ rules:
       - networking.x-k8s.io
     resources:
       - backendpolicies
+      - gatewayclasses
       - gateways
       - httproutes
+      - tcproutes
       - tlsroutes
+      - udproutes
     verbs:
       - get
       - list
       - watch
+  - apiGroups:
+      - networking.x-k8s.io
+    resources:
+      - backendpolicies/status
+      - gatewayclasses/status
+      - gateways/status
+      - httproutes/status
+      - tcproutes/status
+      - tlsroutes/status
+      - udproutes/status
+    verbs:
+      - update
   - apiGroups:
       - projectcontour.io
     resources:
@@ -2032,7 +2155,7 @@ spec:
             - --config-path=/config/contour.yaml
           command:
             - contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           name: contour
           ports:
@@ -2121,7 +2244,7 @@ spec:
           args:
             - envoy
             - shutdown-manager
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           lifecycle:
             preStop:
@@ -2137,6 +2260,9 @@ spec:
             initialDelaySeconds: 3
             periodSeconds: 10
           name: shutdown-manager
+          volumeMounts:
+            - name: envoy-admin
+              mountPath: /admin
         - args:
             - -c
             - /config/envoy.json
@@ -2145,7 +2271,7 @@ spec:
             - --log-level info
           command:
             - envoy
-          image: docker.io/envoyproxy/envoy:v1.17.1
+          image: docker.io/envoyproxy/envoy:v1.19.1
           imagePullPolicy: IfNotPresent
           name: envoy
           env:
@@ -2179,6 +2305,8 @@ spec:
             - name: envoycert
               mountPath: /certs
               readOnly: true
+            - name: envoy-admin
+              mountPath: /admin
           lifecycle:
             preStop:
               httpGet:
@@ -2198,7 +2326,7 @@ spec:
             - --envoy-key-file=/certs/tls.key
           command:
             - contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           name: envoy-initconfig
           volumeMounts:
@@ -2216,6 +2344,8 @@ spec:
       serviceAccountName: envoy
       terminationGracePeriodSeconds: 300
       volumes:
+        - name: envoy-admin
+          emptyDir: {}
         - name: envoy-config
           emptyDir: {}
         - name: envoycert
@@ -2275,8 +2405,9 @@ data:
     #   determine which XDS Server implementation to utilize in Contour.
     #   xds-server-type: contour
     #
-    # Specify the gateway-api Gateway Contour should watch.
+    # Specify the Gateway API configuration.
     # gateway:
+    #   controllerName: projectcontour.io/projectcontour/contour
     #   name: contour
     #   namespace: contour-internal
     #
@@ -2314,9 +2445,18 @@ data:
     # leaderelection:
     #   configmap-name: leader-elect
     #   configmap-namespace: contour-internal
+    ####
+    # ExternalName Services are disabled by default due to CVE-2021-XXXXX
+    # You can re-enable them by setting this setting to `true`.
+    # This is not recommended without understanding the security implications.
+    # Please see the advisory at https://github.com/projectcontour/contour/security/advisories/GHSA-5ph6-qq5x-7jwc for the details.
+    enableExternalNameService: true
+    ##
     ### Logging options
     # Default setting
     accesslog-format: envoy
+    # The default access log format is defined by Envoy but it can be customized by setting following variable.
+    # accesslog-format-string: "...\n"
     # To enable JSON logging in Envoy
     # accesslog-format: json
     # The default fields that will be logged are specified below.
@@ -2370,6 +2510,8 @@ data:
     #   Configure the number of additional ingress proxy hops from the
     #   right side of the x-forwarded-for HTTP header to trust.
     #   num-trusted-hops: 0
+    #   Configure the port used to access the Envoy Admin interface.
+    #   admin-port: 9001
     #
     # Configure an optional global rate limit service.
     # rateLimitService:
@@ -2450,7 +2592,7 @@ rules:
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: contour-certgen-v1.14.0
+  name: contour-certgen-v1.18.1
   namespace: contour-internal
   labels:
     networking.knative.dev/ingress-provider: contour
@@ -2463,7 +2605,7 @@ spec:
     spec:
       containers:
         - name: contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           command:
             - contour
@@ -2575,7 +2717,7 @@ spec:
             - --config-path=/config/contour.yaml
           command:
             - contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           name: contour
           ports:
@@ -2664,7 +2806,7 @@ spec:
           args:
             - envoy
             - shutdown-manager
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           lifecycle:
             preStop:
@@ -2680,6 +2822,9 @@ spec:
             initialDelaySeconds: 3
             periodSeconds: 10
           name: shutdown-manager
+          volumeMounts:
+            - name: envoy-admin
+              mountPath: /admin
         - args:
             - -c
             - /config/envoy.json
@@ -2688,7 +2833,7 @@ spec:
             - --log-level info
           command:
             - envoy
-          image: docker.io/envoyproxy/envoy:v1.17.1
+          image: docker.io/envoyproxy/envoy:v1.19.1
           imagePullPolicy: IfNotPresent
           name: envoy
           env:
@@ -2722,6 +2867,8 @@ spec:
             - name: envoycert
               mountPath: /certs
               readOnly: true
+            - name: envoy-admin
+              mountPath: /admin
           lifecycle:
             preStop:
               httpGet:
@@ -2741,7 +2888,7 @@ spec:
             - --envoy-key-file=/certs/tls.key
           command:
             - contour
-          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:792af35e7250d38bd8c42862c907f00fd13e89e08d8e164929da859eee180f75
+          image: gcr.io/knative-nightly/github.com/projectcontour/contour/cmd/contour@sha256:2cc1aa9fba35aaa0ed796b3ae9e5155f6a97baee86017b387626899eb6d89d03
           imagePullPolicy: IfNotPresent
           name: envoy-initconfig
           volumeMounts:
@@ -2759,6 +2906,8 @@ spec:
       serviceAccountName: envoy
       terminationGracePeriodSeconds: 300
       volumes:
+        - name: envoy-admin
+          emptyDir: {}
         - name: envoy-config
           emptyDir: {}
         - name: envoycert
diff --git a/third_party/contour-latest/net-contour.yaml b/third_party/contour-latest/net-contour.yaml
index e28be42fa..99550cd31 100644
--- a/third_party/contour-latest/net-contour.yaml
+++ b/third_party/contour-latest/net-contour.yaml
@@ -33,7 +33,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: contour
-    serving.knative.dev/release: "v20210826-0fc8f4d7"
+    serving.knative.dev/release: "v20210903-91fedb73"
 data:
   _example: |
     ################################
@@ -103,7 +103,7 @@ spec:
         - name: controller
           # This is the Go import path for the binary that is containerized
           # and substituted here.
-          image: gcr.io/knative-nightly/knative.dev/net-contour/cmd/controller@sha256:4ba33b6789e3603ea5a853ea7bb2781557668ed04aef8f84070c0d34a94d0d76
+          image: gcr.io/knative-nightly/knative.dev/net-contour/cmd/controller@sha256:fd4a295b9185b9edd15017599de085529ede782bdc0c9098a263a33b6c633a7e
           resources:
             requests:
               cpu: 40m
diff --git a/third_party/istio-latest/net-istio.yaml b/third_party/istio-latest/net-istio.yaml
index 008c16267..565ee896d 100644
--- a/third_party/istio-latest/net-istio.yaml
+++ b/third_party/istio-latest/net-istio.yaml
@@ -1,4 +1,4 @@
-# Generated when HEAD was f9454e196ca2485c81c3c0067375d1666ea0aafd
+# Generated when HEAD was 6f9cccef834af25eddbec40928788281e619b09d
 #
 # Copyright 2019 The Knative Authors
 #
@@ -20,7 +20,7 @@ metadata:
   # These are the permissions needed by the Istio Ingress implementation.
   name: knative-serving-istio
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     serving.knative.dev/controller: "true"
     networking.knative.dev/ingress-provider: istio
 rules:
@@ -50,7 +50,7 @@ metadata:
   name: knative-ingress-gateway
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -87,7 +87,7 @@ metadata:
   name: knative-local-gateway
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -106,7 +106,7 @@ metadata:
   name: knative-local-gateway
   namespace: istio-system
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
     experimental.istio.io/disable-gateway-port-translation: "true"
 spec:
@@ -139,7 +139,7 @@ metadata:
   name: config-istio
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 data:
   _example: |
@@ -200,7 +200,7 @@ metadata:
   name: "webhook"
   namespace: "knative-serving"
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -216,7 +216,7 @@ metadata:
   name: "domainmapping-webhook"
   namespace: "knative-serving"
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -232,7 +232,7 @@ metadata:
   name: "net-istio-webhook"
   namespace: "knative-serving"
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -263,7 +263,7 @@ metadata:
   name: net-istio-controller
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -279,14 +279,14 @@ spec:
         sidecar.istio.io/inject: "false"
       labels:
         app: net-istio-controller
-        serving.knative.dev/release: "v20210830-f9454e19"
+        serving.knative.dev/release: "v20210903-6f9cccef"
     spec:
       serviceAccountName: controller
       containers:
         - name: controller
           # This is the Go import path for the binary that is containerized
           # and substituted here.
-          image: gcr.io/knative-nightly/knative.dev/net-istio/cmd/controller@sha256:c45bab239ec732191592960f36d771482875b39c364299893787e29fe5aeb804
+          image: gcr.io/knative-nightly/knative.dev/net-istio/cmd/controller@sha256:2a2384645684e3357d5994ce0b29188011f521820abb8cc59c697ec1e5897a43
           resources:
             requests:
               cpu: 30m
@@ -343,7 +343,7 @@ metadata:
   name: net-istio-webhook
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   selector:
@@ -357,14 +357,14 @@ spec:
       labels:
         app: net-istio-webhook
         role: net-istio-webhook
-        serving.knative.dev/release: "v20210830-f9454e19"
+        serving.knative.dev/release: "v20210903-6f9cccef"
     spec:
       serviceAccountName: controller
       containers:
         - name: webhook
           # This is the Go import path for the binary that is containerized
           # and substituted here.
-          image: gcr.io/knative-nightly/knative.dev/net-istio/cmd/webhook@sha256:6888de59803678ae597eec6bcb3fd001349ffb0ac54050d106c19071c7a79106
+          image: gcr.io/knative-nightly/knative.dev/net-istio/cmd/webhook@sha256:84a7b41932656ec4f628b59864281a846882a7f505f25890b7683775aed77494
           resources:
             requests:
               cpu: 20m
@@ -417,7 +417,7 @@ metadata:
   name: net-istio-webhook-certs
   namespace: knative-serving
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 
 ---
@@ -442,7 +442,7 @@ metadata:
   namespace: knative-serving
   labels:
     role: net-istio-webhook
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 spec:
   ports:
@@ -479,7 +479,7 @@ kind: MutatingWebhookConfiguration
 metadata:
   name: webhook.istio.networking.internal.knative.dev
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 webhooks:
   - admissionReviewVersions:
@@ -516,7 +516,7 @@ kind: ValidatingWebhookConfiguration
 metadata:
   name: config.webhook.istio.networking.internal.knative.dev
   labels:
-    serving.knative.dev/release: "v20210830-f9454e19"
+    serving.knative.dev/release: "v20210903-6f9cccef"
     networking.knative.dev/ingress-provider: istio
 webhooks:
   - admissionReviewVersions:
diff --git a/third_party/kourier-latest/kourier.yaml b/third_party/kourier-latest/kourier.yaml
index af34ae97f..37dc0dede 100644
--- a/third_party/kourier-latest/kourier.yaml
+++ b/third_party/kourier-latest/kourier.yaml
@@ -18,7 +18,7 @@ metadata:
   name: kourier-system
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 
 ---
 # Copyright 2020 The Knative Authors
@@ -42,7 +42,7 @@ metadata:
   namespace: kourier-system
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 data:
   envoy-bootstrap.yaml: |
     dynamic_resources:
@@ -145,7 +145,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 data:
   _example: |
     ################################
@@ -190,7 +190,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
@@ -199,7 +199,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 rules:
   - apiGroups: [""]
     resources: ["events"]
@@ -226,7 +226,7 @@ metadata:
   name: net-kourier
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
@@ -258,7 +258,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 spec:
   replicas: 1
   selector:
@@ -270,7 +270,7 @@ spec:
         app: net-kourier-controller
     spec:
       containers:
-        - image: gcr.io/knative-nightly/knative.dev/net-kourier/cmd/kourier@sha256:32e25873aabb392f6194141453f771b82e0c4a43851bf70180be3ca92abd14fc
+        - image: gcr.io/knative-nightly/knative.dev/net-kourier/cmd/kourier@sha256:8385260dba1b319a250422bf96b903349a3582e3c95232f4fc0f3f04379e63b9
           name: controller
           env:
             - name: CERTS_SECRET_NAMESPACE
@@ -309,7 +309,7 @@ metadata:
   namespace: knative-serving
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 spec:
   ports:
     - name: grpc-xds
@@ -342,7 +342,7 @@ metadata:
   namespace: kourier-system
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 spec:
   strategy:
     type: RollingUpdate
@@ -417,7 +417,7 @@ metadata:
   namespace: kourier-system
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 spec:
   ports:
     - name: http2
@@ -439,7 +439,7 @@ metadata:
   namespace: kourier-system
   labels:
     networking.knative.dev/ingress-provider: kourier
-    serving.knative.dev/release: "v20210901-8b94798b"
+    serving.knative.dev/release: "v20210903-289da393"
 spec:
   ports:
     - name: http2
diff --git a/vendor/knative.dev/pkg/test/spoof/spoof.go b/vendor/knative.dev/pkg/test/spoof/spoof.go
index aa3a90f1a..442fd3940 100644
--- a/vendor/knative.dev/pkg/test/spoof/spoof.go
+++ b/vendor/knative.dev/pkg/test/spoof/spoof.go
@@ -68,6 +68,14 @@ type ResponseChecker func(resp *Response) (done bool, err error)
 // If an error should be retried, it should return true and the wrapped error to explain why to retry.
 type ErrorRetryChecker func(e error) (retry bool, err error)
 
+// ResponseRetryChecker is used to determine if a response should be retried or not.
+// If a response should be retried, it should return true and an error to explain why to retry.
+//
+// This is distinct from ResponseChecker in that it shall be used to retry responses,
+// where the HTTP request was technically successful (it returned something) but indicates
+// an error (e.g. the overload page of a loadbalancer).
+type ResponseRetryChecker func(resp *Response) (retry bool, err error)
+
 // SpoofingClient is a minimal HTTP client wrapper that spoofs the domain of requests
 // for non-resolvable domains.
 type SpoofingClient struct {
@@ -147,16 +155,16 @@ func ResolveEndpoint(ctx context.Context, kubeClientset kubernetes.Interface, do
 // Do dispatches to the underlying http.Client.Do, spoofing domains as needed
 // and transforming the http.Response into a spoof.Response.
 // Each response is augmented with "ZipkinTraceID" header that identifies the zipkin trace corresponding to the request.
-func (sc *SpoofingClient) Do(req *http.Request, errorRetryCheckers ...ErrorRetryChecker) (*Response, error) {
+func (sc *SpoofingClient) Do(req *http.Request, errorRetryCheckers ...interface{}) (*Response, error) {
 	return sc.Poll(req, func(*Response) (bool, error) { return true, nil }, errorRetryCheckers...)
 }
 
 // Poll executes an http request until it satisfies the inState condition or, if there's an error,
 // none of the error retry checkers permit a retry.
 // If no retry checkers are specified `DefaultErrorRetryChecker` will be used.
-func (sc *SpoofingClient) Poll(req *http.Request, inState ResponseChecker, errorRetryCheckers ...ErrorRetryChecker) (*Response, error) {
-	if len(errorRetryCheckers) == 0 {
-		errorRetryCheckers = []ErrorRetryChecker{DefaultErrorRetryChecker}
+func (sc *SpoofingClient) Poll(req *http.Request, inState ResponseChecker, checkers ...interface{}) (*Response, error) {
+	if len(checkers) == 0 {
+		checkers = []interface{}{DefaultErrorRetryChecker}
 	}
 
 	var resp *Response
@@ -166,11 +174,13 @@ func (sc *SpoofingClient) Poll(req *http.Request, inState ResponseChecker, error
 		defer span.End()
 		rawResp, err := sc.Client.Do(req.WithContext(traceContext))
 		if err != nil {
-			for _, checker := range errorRetryCheckers {
-				retry, newErr := checker(err)
-				if retry {
-					sc.Logf("Retrying %s: %v", req.URL.String(), newErr)
-					return false, nil
+			for _, checker := range checkers {
+				if ec, ok := checker.(ErrorRetryChecker); ok {
+					retry, newErr := ec(err)
+					if retry {
+						sc.Logf("Retrying %s: %v", req.URL.String(), newErr)
+						return false, nil
+					}
 				}
 			}
 			sc.Logf("NOT Retrying %s: %v", req.URL.String(), err)
@@ -190,6 +200,20 @@ func (sc *SpoofingClient) Poll(req *http.Request, inState ResponseChecker, error
 			Header:     rawResp.Header,
 			Body:       body,
 		}
+
+		// This is distinct from inState in that it allows us to uniformly check for
+		// error responses to retry HTTP requests that have technically been successful,
+		// but haven't reached their destination (e.g. got a loadbalancer overload page).
+		for _, checker := range checkers {
+			if rc, ok := checker.(ResponseRetryChecker); ok {
+				retry, newErr := rc(resp)
+				if retry {
+					sc.Logf("Retrying %s: %v", req.URL.String(), newErr)
+					return false, nil
+				}
+			}
+		}
+
 		return inState(resp)
 	})
 
@@ -295,8 +319,8 @@ func (sc *SpoofingClient) endpointState(
 	return f(req, inState)
 }
 
-func (sc *SpoofingClient) Check(req *http.Request, inState ResponseChecker, errorRetryCheckers ...ErrorRetryChecker) (*Response, error) {
-	resp, err := sc.Do(req, errorRetryCheckers...)
+func (sc *SpoofingClient) Check(req *http.Request, inState ResponseChecker, checkers ...interface{}) (*Response, error) {
+	resp, err := sc.Do(req, checkers...)
 	if err != nil {
 		return nil, err
 	}