#   ZONE
function get-node-env() {
  # TODO(zmerlynn): Make this more reliable with retries.
  gcloud compute --project "${PROJECT}" ssh --zone "${ZONE}" "${NODE_NAMES[0]}" --command \
    "curl --fail --silent -H 'Metadata-Flavor: Google' \
      'http://metadata/computeMetadata/v1/instance/attributes/kube-env'" 2>/dev/null
}

# Read os distro information from /os/release on node.
# $1: The name of node
#
# Assumed vars:

	readinessFlags  *readinessFlags

	// duration used for graceful shutdown.
	shutdownDuration time.Duration

	// internalStop is closed when the server is shutdown. This should be avoided as much as possible, in
	// favor of AddStartFunc. This is only required if we *must* start something outside of this process.
	// For example, everything depends on mesh config, so we use it there rather than trying to sequence everything
	// in AddStartFunc

	//  Intentionally ignore errors: environ returns a best-effort environment no matter what.
	env, _ := c.environ()
	return env
}

// dedupEnv returns a copy of env with any duplicates removed, in favor of
// later values.
// Items not of the normal environment "key=value" form are preserved unchanged.
// Except on Plan 9, items containing NUL characters are removed, and