KUBE_MASTER_URL="https://${KUBE_MASTER_IP}"
    fi

    auth_config=(
      "--kubeconfig=${KUBECONFIG:-$DEFAULT_KUBECONFIG}"
    )
fi

if [[ -n "${NODE_INSTANCE_PREFIX:-}" ]]; then
  NODE_INSTANCE_GROUP="${NODE_INSTANCE_PREFIX}-group"
fi

if [[ "${KUBERNETES_PROVIDER}" == "gce" ]]; then
  set_num_migs
  NODE_INSTANCE_GROUP=""
  for ((i=1; i<=NUM_MIGS; i++)); do

KUBELET_TEST_LOG_LEVEL="${KUBELET_TEST_LOG_LEVEL:-"--v=2"}"
KUBEPROXY_TEST_LOG_LEVEL="${KUBEPROXY_TEST_LOG_LEVEL:-"--v=4"}"
USE_REAL_PROXIER=${USE_REAL_PROXIER:-false}
NODE_INSTANCE_PREFIX=${NODE_INSTANCE_PREFIX:-node}

      --filter="(name ~ '${NODE_INSTANCE_PREFIX}.*' OR name ~ '${WINDOWS_NODE_INSTANCE_PREFIX}.*') AND zone:($(gcloud -q compute zones list --project="${PROJECT}" --filter=region="${REGION}" --format="csv[no-heading](name)" | tr "\n" "," | sed  "s/,$//"))" | wc -l)
    echo "Computing number of nodes, NODE_INSTANCE_PREFIX=${NODE_INSTANCE_PREFIX}, REGION=${REGION}, EXPECTED_NUM_NODES=${EXPECTED_NUM_NODES}"
  fi
else

}

# Assumes:
# - NUM_MIGS
# - NODE_INSTANCE_PREFIX
# - NUM_NODES
# - PROJECT
# - ZONE
function create-linux-nodes() {
  local template_name="${NODE_INSTANCE_PREFIX}-template"
  local extra_template_name="${NODE_INSTANCE_PREFIX}-extra-template"

  local nodes="${NUM_NODES}"
  if [[ -n "${HEAPSTER_MACHINE_TYPE:-}" ]]; then

    --project "${PROJECT}" \
    --zone "${ZONE}" \
    --command \
    "cat /etc/os-release | grep \"^ID=.*\" | cut -c 4-"
}

# Assumed vars:
#   KUBE_VERSION
#   NODE_SCOPES
#   NODE_INSTANCE_PREFIX
#   PROJECT
#   ZONE
#
# Vars set:
#   KUBE_PROXY_TOKEN
#   NODE_PROBLEM_DETECTOR_TOKEN
#   CA_CERT_BASE64
#   EXTRA_DOCKER_OPTS
#   KUBELET_CERT_BASE64
#   KUBELET_KEY_BASE64

EOF
  fi
  if [[ -n "${NODE_INSTANCE_PREFIX:-}" ]]; then
    use_cloud_config="true"
    if [[ -n "${NODE_TAGS:-}" ]]; then
      # split NODE_TAGS into an array by comma.
      IFS=',' read -r -a node_tags <<< "${NODE_TAGS}"
    else
      local -r node_tags=("${NODE_INSTANCE_PREFIX}")
    fi
    cat <<EOF >>/etc/gce.conf
node-instance-prefix = ${NODE_INSTANCE_PREFIX}
EOF
    for tag in "${node_tags[@]}"; do

* Don't delete affinity when endpoints are empty ([#28655](https://github.com/kubernetes/kubernetes/pull/28655), [@freehan](https://github.com/freehan))
* GCE bring-up: Differentiate NODE_TAGS from NODE_INSTANCE_PREFIX ([#29141](https://github.com/kubernetes/kubernetes/pull/29141), [@zmerlynn](https://github.com/zmerlynn))

* Fix logrotate config on GCI ([#29139](https://github.com/kubernetes/kubernetes/pull/29139), [@adityakali](https://github.com/adityakali))
* GCE bring-up: Differentiate NODE_TAGS from NODE_INSTANCE_PREFIX ([#29141](https://github.com/kubernetes/kubernetes/pull/29141), [@zmerlynn](https://github.com/zmerlynn))