with eucalyptus, the .zip file that is download contains a 'eucarc' file that can be symlinked into ~/.eucarc , and will work with euca-describe-images, euca-bundle-vol...
the novarc does not function with euca-bundle-vol:
$ ln -s ./me/novarc ~/.eucarc
$ uec-publish-image --kernel none --ramdisk none amd64 natty-server-uec-amd64.img smoser-debug-4 --verbose
[image ] natty-server-uec-amd64.img => smoser-debug-4/natty-server-uec-amd64.img none/none
failed: euca-bundle-image --destination /tmp/uec-publish-image.W4Du5d --arch x86_64 --image /tmp/uec-publish-image.W4Du5d/.rename.Dqb8sr/natty-server-uec-amd64.img
x86_64
Invalid cert
failed to bundle image natty-server-uec-amd64.img
$ cat ~/.eucarc
NOVA_KEY_DIR=$(pushd $(dirname $BASH_SOURCE)>/dev/null; pwd; popd>/dev/null)
export EC2_ACCESS_KEY="ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJ:cloud"
export EC2_SECRET_KEY="ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJ"
export EC2_URL="http://10.55.55.6:8773/services/Cloud"
export S3_URL="http://10.55.55.6:3333"
export EC2_USER_ID=42 # nova does not use user id, but bundling requires it
export EC2_PRIVATE_KEY=${NOVA_KEY_DIR}/pk.pem
export EC2_CERT=${NOVA_KEY_DIR}/cert.pem
export NOVA_CERT=${NOVA_KEY_DIR}/cacert.pem
export EUCALYPTUS_CERT=${NOVA_CERT} # euca-bundle-image seems to require this set
alias ec2-bundle-image="ec2-bundle-image --cert ${EC2_CERT} --privatekey ${EC2_PRIVATE_KEY} --user 42 --ec2cert ${NOVA_CERT}"
alias ec2-upload-bundle="ec2-upload-bundle -a ${EC2_ACCESS_KEY} -s ${EC2_SECRET_KEY} --url ${S3_URL} --ec2cert ${NOVA_CERT}"
export NOVA_API_KEY="ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJ"
export NOVA_USERNAME="smoser"
export NOVA_URL="http://10.55.55.6:8774/v1.0/"
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: nova-common 2011.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-server 2.6.38.2
Uname: Linux 2.6.38-8-server x86_64
Architecture: amd64
Date: Tue Apr 19 14:14:36 2011
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: nova
UpgradeStatus: No upgrade log present (probably fresh install)
note, the symlink will work for other euca2ools programs (euca-get-