Get GCI images from image family

The staging images are now created with image families, so we can get rid of the
image indices stored in GCS. Also, get images based on milestone number instead
of "image type".

hack/jenkins/e2e-runner.sh

@@ -79,57 +79,11 @@ function unpack_binaries() {
     tar -xzf kubernetes-test.tar.gz
 }
 
-# GCP Project to fetch GCI images.
+# Get the latest GCI image in a family.
-function get_gci_image_project() {
-  local project=""
-  # Retry the gsutil command a couple times to mitigate the effect of
-  # transient server errors.
-  for n in $(seq 3); do
-    project="$(gsutil cat "gs://gci-staging/image-project.txt")" && break || sleep 1
-  done
-  if [[ -z "${project}" ]]; then
-    echo "Failed to find the image project for GCI images."
-    exit 1
-  fi
-  echo "${project}"
-  # Clean up gsutil artifacts otherwise the later test stage will complain.
-  rm -rf .config &> /dev/null
-  rm -rf .gsutil &> /dev/null
-}
-
-# Get the latest GCI image of a type.
 function get_latest_gci_image() {
-    local image_project="$1"
+    local -r image_project="$1"
-    local image_type="$2"
+    local -r image_family="$2"
-    local image_index=""
+    echo "$(gcloud compute images describe-from-family ${image_family} --project=${image_project} --format='value(name)')"
-    if [[ "${image_type}" == head ]]; then
-      image_index="latest-base-image-gci-head"
-    elif [[ "${image_type}" == dev ]]; then
-      image_index="latest-base-image-gci-dev"
-    elif [[ "${image_type}" == beta ]]; then
-      image_index="latest-base-image-gci-beta"
-    elif [[ "${image_type}" == stable ]]; then
-      image_index="latest-base-image-gci-stable"
-    elif [[ "${image_type}" == preview-test ]]; then
-      # A GCI preview image that is able to override its Docker installation on
-      # boot.
-      image_index="latest-test-image-gci-preview"
-    fi
-
-    local image=""
-    # Retry the gsutil command a couple times to mitigate the effect of
-    # transient server errors.
-    for n in $(seq 3); do
-      image="$(gsutil cat "gs://${image_project}/image-indices/${image_index}")" && break || sleep 1
-    done
-    if [[ -z "${image}" ]]; then
-      echo "Failed to find GCI image for ${image_type}"
-      exit 1
-    fi
-    echo "${image}"
-    # Clean up gsutil artifacts otherwise the later test stage will complain.
-    rm -rf .config &> /dev/null
-    rm -rf .gsutil &> /dev/null
 }
 
 function get_latest_docker_release() {
@@ -206,11 +160,10 @@ if [[ -n "${CLOUDSDK_BUCKET:-}" ]]; then
 fi
 
 # We get the image project and name for GCI dynamically.
-if [[ -n "${JENKINS_GCI_IMAGE_TYPE:-}" ]]; then
+if [[ -n "${JENKINS_GCI_IMAGE_FAMILY:-}" ]]; then
-  gci_image_project="$(get_gci_image_project)"
+  GCI_STAGING_PROJECT=container-vm-image-staging
-  gci_image="$(get_latest_gci_image "${gci_image_project}" "${JENKINS_GCI_IMAGE_TYPE}")"
+  export KUBE_GCE_MASTER_PROJECT="${GCI_STAGING_PROJECT}"
-  export KUBE_GCE_MASTER_PROJECT="${gci_image_project}"
+  export KUBE_GCE_MASTER_IMAGE="$(get_latest_gci_image "${GCI_STAGING_PROJECT}" "${JENKINS_GCI_IMAGE_FAMILY}")"
-  export KUBE_GCE_MASTER_IMAGE="${gci_image}"
   export KUBE_OS_DISTRIBUTION="gci"
   if [[ "${JENKINS_GCI_IMAGE_TYPE}" == preview-test ]]; then
     export KUBE_GCI_DOCKER_VERSION="$(get_latest_docker_release)"

hack/verify-flags/exceptions.txt

@@ -72,7 +72,7 @@ docs/getting-started-guides/coreos/azure/lib/deployment_logic/kubernetes.js:var
 examples/cassandra/image/run.sh:	cluster_name \
 examples/cluster-dns/images/frontend/client.py:  service_address = socket.gethostbyname(hostname)
 examples/vitess/env.sh:    node_ip=$(get_node_ip)
-hack/jenkins/e2e-runner.sh:    local image_project="$1"
+hack/jenkins/e2e-runner.sh:    local -r image_project="$1"
 hack/local-up-cluster.sh:      runtime_config="--runtime-config=${RUNTIME_CONFIG}"
 hack/local-up-cluster.sh:    runtime_config=""
 hack/test-update-storage-objects.sh:  local storage_media_type=${2:-""}