| #!/bin/bash |
| # Copyright 2017 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Waits until 'user-data' metadata key is accessible or $TIMEOUT_SECS seconds |
| # have elapsed. Does nothing if cloud-init is configured for nocloud mode. |
| TIMEOUT_SECS=3600 |
| |
| |
| if grep -E " ds=nocloud( |;)" /proc/cmdline; then |
| echo "cloud-init is configured for nocloud; not waiting for instance metadata" |
| exit 0 |
| fi |
| |
| i=0 |
| while [ $i -lt $TIMEOUT_SECS ] |
| do |
| if /usr/share/google/get_metadata_value attributes/user-data > /dev/null |
| then |
| exit 0 |
| fi |
| i=$(( i+1 )) |
| sleep 1 |
| done |
| echo "Timed out waiting for attributes/user-data" 1>&2 |
