I run Stein Devstack in a virtual machine. Occasionally, openstack client commands take minutes to complete, which didn't happen at earlier releases, and which is rather annoying. The delay seems to take place at an early stage: Even when I forget to set the OS_* environment, it takes minutes until I am told that the request requires authentication.
Interrupting the command, the stack trace confirms this (as a side remark, it also takes a long while until my ^C is processed):
Traceback (most recent call last): File "/usr/local/bin/openstack", line 7, in <module> from openstackclient.shell import main File "/usr/local/lib/python2.7/dist-packages/openstackclient/shell.py", line 22, in <module> from osc_lib.api import auth File "/usr/local/lib/python2.7/dist-packages/osc_lib/api/auth.py", line 19, in <module> from keystoneauth1.loading import base File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/loading/__init__.py", line 13, in <module> from keystoneauth1.loading import adapter File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/loading/adapter.py", line 13, in <module> from keystoneauth1 import adapter File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/adapter.py", line 17, in <module> from keystoneauth1 import session File "/usr/local/lib/python2.7/dist-packages/keystoneauth1/session.py", line 25, in <module> import requests File "/usr/local/lib/python2.7/dist-packages/requests/__init__.py", line 95, in <module> from urllib3.contrib import pyopenssl File "/usr/local/lib/python2.7/dist-packages/urllib3/contrib/pyopenssl.py", line 48, in <module> from cryptography.hazmat.backends.openssl import backend as openssl_backend File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/backends/openssl/__init__.py", line 7, in <module> from cryptography.hazmat.backends.openssl.backend import backend File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/backends/openssl/backend.py", line 2419, in <module> backend = Backend() File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/backends/openssl/backend.py", line 119, in __init__ self.activate_osrandom_engine() File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/backends/openssl/backend.py", line 163, in activate_osrandom_engine with self._get_osurandom_engine() as e: File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "/usr/local/lib/python2.7/dist-packages/cryptography/hazmat/backends/openssl/backend.py", line 146, in _get_osurandom_engine res = self._lib.ENGINE_init(e) KeyboardInterrupt
My wild speculation is that the delay has something to do with obtaining a random number, which can be a problem on virtual machines due to their lack of entropy. My knowledge in this area is paper-thin, though. And I wonder what happens to all the Devstacks used in CI?
Thus my questions: *Is the delay really caused by my running the cloud on a VM? What can I do to improve this?*
Thanks,
Bernd