feat: support topology aware hints (#9165)

* support topology aware hints

Signed-off-by: tombokombo <tombo@sysart.tech>

* add flag to enable topology and fixes

Signed-off-by: tombokombo <tombo@sysart.tech>

* update readme

Signed-off-by: tombokombo <tombo@sysart.tech>

* add e2e test

Signed-off-by: tombokombo <tombo@sysart.tech>

* isolate topology test

Signed-off-by: tombokombo <tombo@sysart.tech>

* gofmt fix

Signed-off-by: tombokombo <tombo@sysart.tech>

Signed-off-by: tombokombo <tombo@sysart.tech>

test/e2e-image/e2e.sh

@@ -41,12 +41,22 @@ reportFileNamePrefix="report-e2e-test-suite"
 echo -e "${BGREEN}Running e2e test suite (FOCUS=${FOCUS})...${NC}"
 ginkgo "${ginkgo_args[@]}"               \
   -focus="${FOCUS}"                  \
-  -skip="\[Serial\]|\[MemoryLeak\]"  \
+  -skip="\[Serial\]|\[MemoryLeak\]|\[TopologyHints\]"  \
   -nodes="${E2E_NODES}" \
   --junit-report=$reportFileNamePrefix.xml \
   /e2e.test
 # Create configMap out of a compressed report file for extraction later
 
+# Must be isolated, there is a collision if multiple helms tries to install same clusterRole at same time
+echo -e "${BGREEN}Running e2e test for topology aware hints...${NC}"
+ginkgo "${ginkgo_args[@]}" \
+  -focus="\[TopologyHints\]" \
+  -skip="\[Serial\]|\[MemoryLeak\]]" \
+  -nodes="${E2E_NODES}" \
+  --junit-report=$reportFileNamePrefix-topology.xml \
+  /e2e.test
+# Create configMap out of a compressed report file for extraction later
+
 echo -e "${BGREEN}Running e2e test suite with tests that require serial execution...${NC}"
 ginkgo "${ginkgo_args[@]}"   \
   -focus="\[Serial\]"    \

test/e2e-image/namespace-overlays/topology/values.yaml

@@ -0,0 +1,51 @@
+# TODO: remove the need to use fullnameOverride
+fullnameOverride: nginx-ingress
+controller:
+  image:
+    repository: ingress-controller/controller
+    chroot: true
+    tag: 1.0.0-dev
+    digest:
+    digestChroot:
+  scope:
+    enabled: false
+  config:
+    worker-processes: "1"
+  readinessProbe:
+    initialDelaySeconds: 3
+    periodSeconds: 1
+  livenessProbe:
+    initialDelaySeconds: 3
+    periodSeconds: 1
+  service:
+    type: NodePort
+  electionID: ingress-controller-leader
+  ingressClassResource:
+    # We will create and remove each IC/ClusterRole/ClusterRoleBinding per test so there's no conflict
+    enabled: false
+  extraArgs:
+    tcp-services-configmap: $NAMESPACE/tcp-services
+    # e2e tests do not require information about ingress status
+    update-status: "false"
+  terminationGracePeriodSeconds: 1
+  admissionWebhooks:
+    enabled: false
+
+  enableTopologyAwareRouting: true
+
+  # ulimit -c unlimited
+  # mkdir -p /tmp/coredump
+  # chmod a+rwx /tmp/coredump
+  # echo "/tmp/coredump/core.%e.%p.%h.%t" > /proc/sys/kernel/core_pattern
+  extraVolumeMounts:
+    - name: coredump
+      mountPath: /tmp/coredump
+
+  extraVolumes:
+    - name: coredump
+      hostPath:
+        path: /tmp/coredump
+
+rbac:
+  create: true
+  scope: false