Deliver test images to CAPV nodes to avoid rate limit issue (#6654)

* Increase the disk size of CAPV nodes for image storage.
* Deliver test images from the image node to CAPV nodes.

Signed-off-by: Shuyang Xin <gavinx@vmware.com>

ci/cluster-api/vsphere/templates/cluster.yaml

@@ -45,7 +45,7 @@ spec:
       cloneMode: linkedClone
       datacenter: DATACENTERNAME
       datastore: DATASTORENAME
-      diskGiB: 25
+      diskGiB: 50
       folder: FOLDERENAME
       memoryMiB: 8192
       network:

ci/jenkins/test-vmc.sh

@@ -301,6 +301,22 @@ function copy_image {
   ${SSH_WITH_ANTREA_CI_KEY} -n capv@${IP} "sudo crictl images | grep '<none>' | awk '{print \$3}' | xargs -r crictl rmi"
 }
 
+function copy_test_image {
+  image=$1
+  tag=$2
+
+  docker pull ${image} && docker save -o image.tar ${image}
+
+  for IP in "${IPs[@]}"; do
+      echo "Processing image on node: $IP"
+      ${SCP_WITH_ANTREA_CI_KEY} image.tar capv@${IP}:/home/capv
+      ${SSH_WITH_ANTREA_CI_KEY} -n capv@${IP} "sudo ctr -n=k8s.io images import /home/capv/image.tar"
+      if [ -n "$tag" ]; then
+          ${SSH_WITH_ANTREA_CI_KEY} -n capv@${IP} "sudo ctr -n=k8s.io images tag $image $tag --force"
+      fi
+  done
+}
+
 # We run the function in a subshell with "set -e" to ensure that it exits in
 # case of error (e.g. integrity check), no matter the context in which the
 # function is called.
@@ -431,6 +447,16 @@ function deliver_antrea {
     ${SCP_WITH_ANTREA_CI_KEY} $GIT_CHECKOUT_DIR/build/yamls/*.yml capv@${control_plane_ip}:~
 
     IPs=($(kubectl get nodes -o wide --no-headers=true | awk '{print $6}' | xargs))
+    antrea_images=("registry.k8s.io/e2e-test-images/agnhost:2.40" "antrea/nginx:1.21.6-alpine" "antrea/sonobuoy:v0.56.16" "antrea/toolbox:1.3-0" "antrea/systemd-logs:v0.4")
+    k8s_images=("registry.k8s.io/e2e-test-images/agnhost:2.45" "registry.k8s.io/e2e-test-images/jessie-dnsutils:1.5" "registry.k8s.io/e2e-test-images/nginx:1.14-2")
+    e2e_images=("k8sprow.azurecr.io/kubernetes-e2e-test-images/agnhost:2.45" "k8sprow.azurecr.io/kubernetes-e2e-test-images/jessie-dnsutils:1.5" "k8sprow.azurecr.io/kubernetes-e2e-test-images/nginx:1.14-2")
+    for image in "${antrea_images[@]}"; do
+        copy_test_image ${image}
+    done
+    for k in "${!k8s_images[@]}"; do
+        copy_test_image ${k8s_images[$k]} ${e2e_images[$k]}
+    done
+
     for i in "${!IPs[@]}"
     do
         ssh-keygen -f "/var/lib/jenkins/.ssh/known_hosts" -R ${IPs[$i]}

ci/run-k8s-e2e-tests.sh

@@ -41,7 +41,7 @@ DEFAULT_E2E_SIG_NETWORK_SKIP="\[Slow\]|\[Serial\]|\[Disruptive\]|\[GCE\]|\[Featu
 MODE="report"
 THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 KUBE_CONFORMANCE_IMAGE_VERSION_OPTION=""
-IMAGE_PULL_POLICY="Always"
+IMAGE_PULL_POLICY="IfNotPresent"
 CONFORMANCE_IMAGE_CONFIG_PATH="${THIS_DIR}/conformance-image-config.yaml"
 SONOBUOY_IMAGE="antrea/sonobuoy:v0.56.16"
 SYSTEMD_LOGS_IMAGE="antrea/systemd-logs:v0.4"