Robert Collins eca284cab7 Really handle Ubuntu mirror cache skew,
The last patch to do this only handled the case of SHA256SUM being
stale, but the image is more likely to be stale in the default
configuration as the hash file is downloaded over HTTPS.

Change-Id: I6531fa684e560cad48c3696394d48a600680c875
Closes-Bug: #1336067
2014-07-09 08:07:58 +12:00
..
2014-05-23 15:57:27 -05:00
2014-05-10 11:17:29 +02:00

Use Ubuntu cloud images as the baseline for built disk images.

Overrides:

  • To use a non-default URL for downloading base Ubuntu cloud images, use the environment variable DIB_CLOUD_IMAGES
  • To download a non-default release of Ubuntu cloud images, use the environment variable DIB_RELEASE
  • To use different mirrors rather than the default of archive.ubuntu.com and security.ubuntu.com, use the environment variable DIB_DISTRIBUTION_MIRROR