Failed to get metadata for ip (list indices must be integers...)

[Dan Prince]

Using nova bzr 1230.

When booting an AMI style image I'm getting the following error messages in nova-api.log:

2011-06-30 00:44:08,654 INFO nova.api [-] 0.23553s 192.168.0.2 GET /2009-04-04/meta-data/instance-id None:None 500 [Wget] text/plain text/plain
2011-06-30 00:44:08,755 ERROR nova.api.ec2.metadata [-] Failed to get metadata for ip: 192.168.0.2
(nova.api.ec2.metadata): TRACE: Traceback (most recent call last):
(nova.api.ec2.metadata): TRACE: File "/usr/lib/pymodules/python2.6/nova/api/ec2/metadatarequesthandler.py", line 76, in __call__
(nova.api.ec2.metadata): TRACE: meta_data = cc.get_metadata(remote_address)
(nova.api.ec2.metadata): TRACE: File "/usr/lib/pymodules/python2.6/nova/api/ec2/cloud.py", line 155, in get_metadata
(nova.api.ec2.metadata): TRACE: instance_ref = db.instance_get(ctxt, instance_ref['id'])
(nova.api.ec2.metadata): TRACE: TypeError: list indices must be integers, not str
(nova.api.ec2.metadata): TRACE:
2011-06-30 00:44:08,756 INFO nova.api [-] 0.24947s 192.168.0.2 GET /2009-04-04/meta-data/public-ipv4 None:None 500 [Wget] text/plain text/plain

[Dan Prince (dan-prince)]

According to SmokeStack revision 1230 was the breaking change.

The effect here is that AMI style instances will boot but won't get there SSH keys, etc.

I'm using Postgres but I don't think that matters.

[Dan Prince (dan-prince)]

Looks like the issue here was that the compute API get_all call now returns a list even if there is just a single record. The metadata controller call just needs to access the first item in the list.