In my experience, a DevStack cloned from the master branch (which is the default) may occasionally run into inconsistencies such as incompatible library versions. Try a stable branch e.g. git clone ... –b stable/queens. Or just clone the master again later.
Your local.conf may also be at the origin of this error.
The full stack trace with a little bit of context may also be helpful
(journalctl –u devstack@n-cpu). It might contain other errors or warnings that
provide a clue.
Also look for Nova-related errors or warnings in the stack.sh log file.
Bernd.
From: Sagar Kohli [mailto:sagar.ko...@nic.in]
Sent: Wednesday, March 21, 2018 6:08 PM
To: openstack@lists.openstack.org
Subject: [Openstack] Unable to start devstack@n-cpu.service
I am trying to install devstack on my fresh centos7 machine. All went well.
But i am not able to get service devstack@n-cpu.service
<mailto:devstack@n-cpu.service> up. following is the output of systemctl
status devstack@n-cpu.service <mailto:devstack@n-cpu.service>
sudo systemctl status devstack@n-cpu.service <mailto:devstack@n-cpu.service>
● devstack@n-cpu.service <mailto:devstack@n-cpu.service> - Devstack
devstack@n-cpu.service <mailto:devstack@n-cpu.service>
Loaded: loaded (/etc/systemd/system/devstack@n-cpu.service
<mailto:/etc/systemd/system/devstack@n-cpu.service> ; enabled; vendor preset:
disabled)
Active: failed (Result: exit-code) since Wed 2018-03-21 15:22:55 EDT; 10h
left
Process: 4252 ExecStart=/usr/bin/nova-compute --config-file
/etc/nova/nova-cpu.conf (code=exited, status=1/FAILURE)
Main PID: 4252 (code=exited, status=1/FAILURE)
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova from
paramiko.auth_handler import AuthHandler
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova File
"/usr/lib/python2.7/site-packages/paramiko/auth_handler.py", lin...module>
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova from
paramiko.ssh_gss import GSSAuth, GSS_EXCEPTIONS
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova File
"/usr/lib/python2.7/site-packages/paramiko/ssh_gss.py", line 54,...module>
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova
GSS_EXCEPTIONS = (gssapi.GSSException,)
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova
AttributeError: 'module' object has no attribute 'GSSException'
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova
Mar 21 15:22:55 localhost.localdomain systemd[1]: devstack@n-cpu.service
<mailto:devstack@n-cpu.service> : main process exited, code=exited,
status=1/FAILURE
Mar 21 15:22:55 localhost.localdomain systemd[1]: Unit devstack@n-cpu.service
<mailto:devstack@n-cpu.service> entered failed state.
Mar 21 15:22:55 localhost.localdomain systemd[1]: devstack@n-cpu.service
<mailto:devstack@n-cpu.service> failed.
Hint: Some lines were ellipsized, use -l to show in full.
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