def list_volumes(attrs=None, **q_opts):
return Volume.ListAll(attrs, **q_opts)
raise Exception("Volume '%s' exists" % volume_cert.name)
# "fake" volume version, since the volume version doesn't exist yet...
rc = validate_cert_bundle(cert_bundle, user, volume_cert.volume_id, 0)
if not rc:
raise Exception("Invalid volume cert bundle")
# a user can only create volumes for herself (admin can for anyone)
if caller_user.owner_id != user.owner_id and not caller_user.is_admin:
raise Exception("Caller cannot create Volumes for other users")
# check quota for this user
if user.get_volume_quota() >= 0:
user_volume_ids_qry = Volume.ListAll(
{"Volume.owner_id ==": user.owner_id},
keys_only=True,
query_only=True)
num_volumes = user_volume_ids_qry.count()
if num_volumes > user.get_volume_quota():
raise Exception("User '%s' has exceeded Volume quota of %s" %
(user.email, user.get_volume_quota()))
# verify the root inode
root_inode = volume_cert.root
root_inode_sigb64 = root_inode.signature
root_inode_sig = base64.b64decode(root_inode_sigb64)
root_inode.signature = ""
root_inode_nosig = root_inode.SerializeToString()
