fi
  if [[ -n "${KUBE_APISERVER_GODEBUG:-}" ]]; then
    if [[ -n "${container_env}" ]]; then
      container_env="${container_env}, "
    fi
    container_env+="{\"name\": \"GODEBUG\", \"value\": \"${KUBE_APISERVER_GODEBUG}\"}"
  fi
  if [[ -n "${container_env}" ]]; then
    container_env="\"env\":[${container_env}],"
  fi

KUBE_APISERVER_REQUEST_TIMEOUT_SEC: $(yaml-quote "${KUBE_APISERVER_REQUEST_TIMEOUT_SEC}")
EOF
    fi
    # KUBE_APISERVER_GODEBUG (if set) controls the value of GODEBUG env var for kube-apiserver.
    if [ -n "${KUBE_APISERVER_GODEBUG:-}" ]; then
      cat >>"$file" <<EOF
KUBE_APISERVER_GODEBUG: $(yaml-quote "${KUBE_APISERVER_GODEBUG}")
EOF
    fi
    # ETCD_IMAGE (if set) allows to use a custom etcd image.