[Bug 1456684] Re: does not know central (eu-central-1) is a direction for ec2 zones

[Dan Watkins]

** Description changed:

  cloud-init's code that tries to determine if it is in a ec2 region is
  simply unaware of the 'central' direction.
  
- --- /usr/lib/python2.7/dist-packages/cloudinit/distros/__init__.py.dist	2015-05-19 12:47:04.956343999 +0000
- +++ /usr/lib/python2.7/dist-packages/cloudinit/distros/__init__.py	2015-05-19 12:47:09.718723998 +0000
- @@ -535,7 +535,7 @@
-          mirror_info = {}
-  
-      ec2_az_re = ("^[a-z][a-z]-(%s)-[1-9][0-9]*[a-z]$" %
- -        "north|northeast|east|southeast|south|southwest|west|northwest")
- +        "north|northeast|east|southeast|south|southwest|west|northwest|central")
-  
-      subst = {}
-      if availability_zone:
+ [Impact]
+ Ubuntu instances launched in the eu-central-1 EC2 region will not discover region-local mirrors. The user will see a degraded experience as they have to interact with mirrors that are further away and under heavier load. They will also potentially have to pay for the bandwidth used this way (as will the default mirror admins).
+ 
+ [Test Case]
+ Launch an instance in eu-central-1 and examine the apt sources used.  They should be of the form "eu-central-1.ec2.archive.ubuntu.com" instead of "eu-central-1a.clouds.archive.ubuntu.com".
+ 
+ [Regression Potential]
+ Limited; the changes are limited to the mirror discovery, and if mirror discovery fails, we have default mirrors that we will use.

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https://bugs.launchpad.net/bugs/1456684

Title:
  does not know central (eu-central-1) is a direction for ec2 zones

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