Merge pull request #3508 from chrischdi/pr-calico-mtu

🌱 e2e: set mtu for calico

Author: k8s-ci-robot

hack/e2e.sh

@@ -137,8 +137,27 @@ if [[ "${GOVC_URL:-}" == "10.2.224.4" ]]; then
   E2E_CONF_OVERRIDE_FILE="$(pwd)/test/e2e/config/config-overrides-mirror-prow.yaml"
 fi
 
+# Ensure vSphere is reachable
+function wait_for_vsphere_reachable() {
+  local n=0
+  until [ $n -ge 30 ]; do
+    curl -s -v "https://${VSPHERE_SERVER}/sdk" --connect-timeout 2 -k && RET=$? || RET=$?
+    if [[ "$RET" -eq 0 ]]; then
+      break
+    fi
+    n=$((n + 1))
+    echo "Failed to reach https://${VSPHERE_SERVER}/sdk. Retrying in 1s ($n/30)"
+    sleep 1
+  done
+  return "$RET"
+}
+# Only run the boskos/check for IPAM when we need them (not for vcsim)
+if [[ ! "${GINKGO_FOCUS:-}" =~ $RE_VCSIM ]]; then
+  wait_for_vsphere_reachable
+fi
+
 # Make tests run in-parallel
-export GINKGO_NODES=5
+export GINKGO_NODES=4
 
 # Only run the boskos/check for IPAM when we need them (not for vcsim)
 if [[ ! "${GINKGO_FOCUS:-}" =~ $RE_VCSIM ]]; then