def load_server(context, instance_id, server_id):
"""Loads a server or raises an exception."""
client = create_nova_client(context)
try:
server = client.servers.get(server_id)
except nova_exceptions.NotFound as e:
LOG.debug("Could not find nova server_id(%s)" % server_id)
raise exception.ComputeInstanceNotFound(instance_id=instance_id,
server_id=server_id)
except nova_exceptions.ClientException, e:
raise exception.ReddwarfError(str(e))
def find_server(instance_id, server_id):
matches = [server for server in server_list if server.id == server_id]
if len(matches) == 1:
return matches[0]
elif len(matches) < 1:
# The instance was not found in the list and
# this can happen if the instance is deleted from
# nova but still in reddwarf database
raise exception.ComputeInstanceNotFound(
instance_id=instance_id, server_id=server_id)
else:
# Should never happen, but never say never.
LOG.error(_("Server %s for instance %s was found twice!") %
(server_id, instance_id))
raise exception.ReddwarfError(uuid=instance_id)
