Revert all unnecessary changes made for testing

knative-extensions · Apr 7, 2024 · 631f8ce · 631f8ce
1 parent 0aaa024
commit 631f8ce
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diff --git a/.github/workflows/kind-e2e-upgrade.yaml b/.github/workflows/kind-e2e-upgrade.yaml
@@ -1,14 +1,17 @@
 name: KinD e2e upgrade tests
 
 on:
-  #pull_request:
-  #  branches: [ 'main' ]
+  pull_request:
+    branches: [ 'main' ]
+
   push:
     branches: [ 'main' ]
+
 defaults:
   run:
     shell: bash
     working-directory: ./src/knative.dev/net-kourier
+
 jobs:
   e2e-upgrade-tests:
     name: e2e tests
@@ -64,4 +67,4 @@ jobs:
 
     - name: Run upgrade tests
       run: |
-        ./test/e2e-upgrade-kind.sh
+        ./test/e2e-upgrade-kind.sh
diff --git a/.github/workflows/kind-e2e.yaml b/.github/workflows/kind-e2e.yaml
@@ -20,18 +20,18 @@ jobs:
       fail-fast: false # Keep running if one leg fails.
       matrix:
         k8s-version:
-        #- v1.28.x
+        - v1.28.x
         - v1.29.x
 
         gateway:
-        #- quay.io/maistra-dev/proxyv2-ubi8:2.4-latest
-        #- docker.io/envoyproxy/envoy:v1.26-latest
-        #- docker.io/envoyproxy/envoy:v1.27-latest
+        - quay.io/maistra-dev/proxyv2-ubi8:2.4-latest
+        - docker.io/envoyproxy/envoy:v1.26-latest
+        - docker.io/envoyproxy/envoy:v1.27-latest
         - docker.io/envoyproxy/envoy:v1.28-latest
 
         upstream-tls:
         - plain
-        #- tls
+        - tls
 
     env:
       GOPATH: ${{ github.workspace }}

diff --git a/test/e2e-kind.sh b/test/e2e-kind.sh
@@ -42,162 +42,162 @@ IPS=($(kubectl get nodes -lkubernetes.io/hostname!=kind-control-plane -ojsonpath
 export "GATEWAY_OVERRIDE=kourier"
 export "GATEWAY_NAMESPACE_OVERRIDE=${KOURIER_GATEWAY_NAMESPACE}"
 
-# echo ">> Running conformance tests"
-# go test -count=1 -short -timeout=20m -tags=e2e ./test/conformance/... ./test/e2e/... \
-#   --enable-alpha --enable-beta \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Scale up components for HA tests"
-# kubectl -n "${KOURIER_GATEWAY_NAMESPACE}" scale deployment 3scale-kourier-gateway --replicas=2
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" scale deployment net-kourier-controller --replicas=2
-#
-# echo ">> Running HA tests"
-# go test -count=1 -timeout=15m -failfast -parallel=1 -tags=e2e ./test/ha -spoofinterval="10ms" \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Scale down after HA tests"
-# kubectl -n "${KOURIER_GATEWAY_NAMESPACE}" scale deployment 3scale-kourier-gateway --replicas=1
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" scale deployment net-kourier-controller --replicas=1
-#
-# echo ">> Running TLS Cipher suites"
-# echo ">> Setup cipher suites"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"cipher-suites":"ECDHE-ECDSA-AES128-GCM-SHA256,ECDHE-ECDSA-CHACHA20-POLY1305"}}'
-#
-# go test -v -tags=e2e ./test/tls/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"cipher-suites":""}}'
-#
-# echo ">> Setup one wildcard certificate"
-# $(dirname $0)/generate-wildcard-cert.sh
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller CERTS_SECRET_NAMESPACE="${KOURIER_CONTROL_NAMESPACE}" CERTS_SECRET_NAME=wildcard-certs
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
-#
-# echo ">> Running OneTLSCert tests"
-# go test -race -count=1 -timeout=20m -tags=e2e ./test/cert/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# export "KOURIER_EXTAUTHZ_PROTOCOL=grpc"
-#
-# echo ">> Setup ExtAuthz gRPC"
-# ko apply -f test/config/extauthz/grpc
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-grpc
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST=externalauthz-grpc.knative-serving:6000
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
-#
-# echo ">> Running ExtAuthz tests"
-# go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset ExtAuthz gRPC"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST-
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
-#
-# echo ">> Setup ExtAuthz gRPC with pack as bytes option"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
-#   KOURIER_EXTAUTHZ_HOST=externalauthz-grpc.knative-serving:6000 \
-#   KOURIER_EXTAUTHZ_PACKASBYTES=true
-#
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
-#
-# echo ">> Running ExtAuthz tests"
-# go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset ExtAuthz gRPC"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PACKASBYTES-
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
-#
-# echo ">> Setup ExtAuthz HTTP"
-# ko apply -f test/config/extauthz/http
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-http
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
-#   KOURIER_EXTAUTHZ_HOST=externalauthz-http.knative-serving:8080 \
-#   KOURIER_EXTAUTHZ_PROTOCOL=http
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
-#
-# echo ">> Running ExtAuthz tests"
-# go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset ExtAuthz HTTP"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PROTOCOL-
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
-#
-# echo ">> Setup ExtAuthz HTTP with path prefix"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment externalauthz-http PATH_PREFIX="/check"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-http
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
-#   KOURIER_EXTAUTHZ_HOST=externalauthz-http.knative-serving:8080 \
-#   KOURIER_EXTAUTHZ_PROTOCOL=http \
-#   KOURIER_EXTAUTHZ_PATHPREFIX="/check"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
-#
-# echo ">> Running ExtAuthz tests"
-# go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset ExtAuthz HTTP with path prefix"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PROTOCOL- KOURIER_EXTAUTHZ_PATHPREFIX-
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
-#
-# echo ">> Setup Proxy Protocol"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"enable-proxy-protocol":"true"}}'
-#
-# echo ">> Running Proxy Protocol tests"
-# go test -race -count=1 -timeout=5m -tags=e2e ./test/proxyprotocol/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset Proxy Protocol"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"enable-proxy-protocol":"false"}}'
-#
-# echo ">> Setup Tracing"
-# kubectl apply -f test/config/tracing
-# kubectl -n tracing wait --timeout=300s --for=condition=Available deployment/jaeger
-# export TRACING_COLLECTOR_FULL_ENDPOINT="$(kubectl -n tracing get svc/jaeger -o jsonpath='{.spec.clusterIP}'):9411/api/v2/spans"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p "{
-#   \"data\":{
-#     \"tracing-collector-full-endpoint\": \"$TRACING_COLLECTOR_FULL_ENDPOINT\"
-#   }
-# }"
-#
-# echo ">> Running Tracing tests"
-# go test -race -count=1 -timeout=5m -tags=e2e ./test/tracing/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
-#
-# echo ">> Unset Tracing"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"tracing-collector-full-endpoint": ""}}'
-# kubectl delete -f test/config/tracing
-# unset TRACING_COLLECTOR_FULL_ENDPOINT
-#
-# echo ">> Set IdleTimeout to 50s"
-# kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"stream-idle-timeout":"50s"}}'
-#
-# echo ">> Running IdleTimeout tests"
-# go test -v  -tags=e2e ./test/timeout/... \
-#   --ingressendpoint="${IPS[0]}" \
-#   --ingressClass=kourier.ingress.networking.knative.dev \
-#   --cluster-suffix="$CLUSTER_SUFFIX"
+echo ">> Running conformance tests"
+go test -count=1 -short -timeout=20m -tags=e2e ./test/conformance/... ./test/e2e/... \
+  --enable-alpha --enable-beta \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Scale up components for HA tests"
+kubectl -n "${KOURIER_GATEWAY_NAMESPACE}" scale deployment 3scale-kourier-gateway --replicas=2
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" scale deployment net-kourier-controller --replicas=2
+
+echo ">> Running HA tests"
+go test -count=1 -timeout=15m -failfast -parallel=1 -tags=e2e ./test/ha -spoofinterval="10ms" \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Scale down after HA tests"
+kubectl -n "${KOURIER_GATEWAY_NAMESPACE}" scale deployment 3scale-kourier-gateway --replicas=1
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" scale deployment net-kourier-controller --replicas=1
+
+echo ">> Running TLS Cipher suites"
+echo ">> Setup cipher suites"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"cipher-suites":"ECDHE-ECDSA-AES128-GCM-SHA256,ECDHE-ECDSA-CHACHA20-POLY1305"}}'
+
+go test -v -tags=e2e ./test/tls/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"cipher-suites":""}}'
+
+echo ">> Setup one wildcard certificate"
+$(dirname $0)/generate-wildcard-cert.sh
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller CERTS_SECRET_NAMESPACE="${KOURIER_CONTROL_NAMESPACE}" CERTS_SECRET_NAME=wildcard-certs
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
+
+echo ">> Running OneTLSCert tests"
+go test -race -count=1 -timeout=20m -tags=e2e ./test/cert/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+export "KOURIER_EXTAUTHZ_PROTOCOL=grpc"
+
+echo ">> Setup ExtAuthz gRPC"
+ko apply -f test/config/extauthz/grpc
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-grpc
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST=externalauthz-grpc.knative-serving:6000
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
+
+echo ">> Running ExtAuthz tests"
+go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset ExtAuthz gRPC"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST-
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
+
+echo ">> Setup ExtAuthz gRPC with pack as bytes option"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
+  KOURIER_EXTAUTHZ_HOST=externalauthz-grpc.knative-serving:6000 \
+  KOURIER_EXTAUTHZ_PACKASBYTES=true
+
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
+
+echo ">> Running ExtAuthz tests"
+go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset ExtAuthz gRPC"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PACKASBYTES-
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
+
+echo ">> Setup ExtAuthz HTTP"
+ko apply -f test/config/extauthz/http
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-http
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
+  KOURIER_EXTAUTHZ_HOST=externalauthz-http.knative-serving:8080 \
+  KOURIER_EXTAUTHZ_PROTOCOL=http
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
+
+echo ">> Running ExtAuthz tests"
+go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset ExtAuthz HTTP"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PROTOCOL-
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
+
+echo ">> Setup ExtAuthz HTTP with path prefix"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment externalauthz-http PATH_PREFIX="/check"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" wait --timeout=300s --for=condition=Available deployment/externalauthz-http
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller \
+  KOURIER_EXTAUTHZ_HOST=externalauthz-http.knative-serving:8080 \
+  KOURIER_EXTAUTHZ_PROTOCOL=http \
+  KOURIER_EXTAUTHZ_PATHPREFIX="/check"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller --timeout=300s
+
+echo ">> Running ExtAuthz tests"
+go test -race -count=1 -timeout=20m -tags=e2e ./test/extauthz/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset ExtAuthz HTTP with path prefix"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" set env deployment net-kourier-controller KOURIER_EXTAUTHZ_HOST- KOURIER_EXTAUTHZ_PROTOCOL- KOURIER_EXTAUTHZ_PATHPREFIX-
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" rollout status deployment/net-kourier-controller
+
+echo ">> Setup Proxy Protocol"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"enable-proxy-protocol":"true"}}'
+
+echo ">> Running Proxy Protocol tests"
+go test -race -count=1 -timeout=5m -tags=e2e ./test/proxyprotocol/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset Proxy Protocol"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"enable-proxy-protocol":"false"}}'
+
+echo ">> Setup Tracing"
+kubectl apply -f test/config/tracing
+kubectl -n tracing wait --timeout=300s --for=condition=Available deployment/jaeger
+export TRACING_COLLECTOR_FULL_ENDPOINT="$(kubectl -n tracing get svc/jaeger -o jsonpath='{.spec.clusterIP}'):9411/api/v2/spans"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p "{
+  \"data\":{
+    \"tracing-collector-full-endpoint\": \"$TRACING_COLLECTOR_FULL_ENDPOINT\"
+  }
+}"
+
+echo ">> Running Tracing tests"
+go test -race -count=1 -timeout=5m -tags=e2e ./test/tracing/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
+
+echo ">> Unset Tracing"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"tracing-collector-full-endpoint": ""}}'
+kubectl delete -f test/config/tracing
+unset TRACING_COLLECTOR_FULL_ENDPOINT
+
+echo ">> Set IdleTimeout to 50s"
+kubectl -n "${KOURIER_CONTROL_NAMESPACE}" patch configmap/config-kourier --type merge -p '{"data":{"stream-idle-timeout":"50s"}}'
+
+echo ">> Running IdleTimeout tests"
+go test -v  -tags=e2e ./test/timeout/... \
+  --ingressendpoint="${IPS[0]}" \
+  --ingressClass=kourier.ingress.networking.knative.dev \
+  --cluster-suffix="$CLUSTER_SUFFIX"
 
 echo ">> Change DRAIN_TIME_SECONDS and terminationGracePeriodSeconds for graceful shutdown tests"
 export DRAIN_TIME_SECONDS=30