Comment 6 for bug 962046

I'm also still confused at the initial report, you have "mpi". On the nova I'm looking at:
$ wget http://169.254.169.254/2009-04-04/ -O - -q ; echo
meta-data/
user-data
$ wget http://169.254.169.254/2009-04-04/meta-data/ -O - -q; echo
reservation-id
public-keys/
security-groups
public-ipv4
ami-manifest-path
instance-type
instance-id
local-ipv4
local-hostname
placement/
ami-launch-index
public-hostname
hostname
ami-id
instance-action
block-device-mapping/

$ wget http://169.254.169.254/2009-04-04/meta-data/mpi -O -
--2012-06-04 13:41:23-- http://169.254.169.254/2009-04-04/meta-data/mpi
Connecting to 169.254.169.254:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2012-06-04 13:41:23 ERROR 404: Not Found.

Attemping to import a 'my brickies' keypair name via either web ui or command line client on HP cloud gives:
$ nova keypair-add "my brickies" --pub_key ~/.<email address hidden>
ERROR: Invalid keypair name (HTTP 400)