[Bug 525675] Re: 20100222 images fail to boot in UEC

[Thierry Carrez]

In karmic instance:
boto.utils.get_instance_userdata("2009-02-01") --> returns ''
boto.utils.get_instance_userdata("2009-04-04") --> returns ''
boto.utils.get_instance_metadata("2009-02-01") --> returns a full dict
boto.utils.get_instance_metadata("2009-04-04") --> returns the same full dict

In karmic instance with boto 1.9:
boto.utils.get_instance_userdata("2009-02-01") --> returns ''
boto.utils.get_instance_userdata("2009-04-04") --> returns ''
boto.utils.get_instance_metadata("2009-02-01") --> hangs
boto.utils.get_instance_metadata("2009-04-04") --> hangs

I traced it back to the metadata enumeration. With boto 1.9b:

http://169.254.169.254/latest/meta-data/block-device-mapping/ returns:
'emi\nephemeral0\nroot\nswap'
http://169.254.169.254/latest/meta-data/block-device-mapping/emi returns:
sda1
http://169.254.169.254/latest/meta-data/block-device-mapping/ephemeral0 returns error code 500.

So retry_url loops while trying to get http://169.254.169.254/latest
/meta-data/block-device-mapping/ephemeral0

** Also affects: eucalyptus (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- 20100222 images fail to boot in UEC
+ 20100222 images fail to boot in UEC (no ephemeral0 metadata)

** Changed in: eucalyptus (Ubuntu Lucid)
   Importance: Undecided => High

** Changed in: eucalyptus (Ubuntu Lucid)
       Status: New => Confirmed

** Changed in: eucalyptus (Ubuntu Lucid)
    Milestone: None => lucid-alpha-3

** Changed in: eucalyptus (Ubuntu Lucid)
     Assignee: (unassigned) => Dustin Kirkland (kirkland)

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20100222 images fail to boot in UEC (no ephemeral0 metadata)
https://bugs.launchpad.net/bugs/525675
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