The Kolla's zun_compute container failed

[hongbin]

Use kolla-ansible to deploy Zun. The zun_compute container failed with the following error:

2018-09-30 02:40:31.082 29 DEBUG oslo.privsep.daemon [-] privsep: reply[139973143560272]: (5, 'zun.common.exception.CommandError', (u"The command: df -B 1G /var/lib/docker failed on the system, due to Unexpected error while running command.\nCommand: df -B 1G /var/lib/docker\nExit code: 1\nStdout: u''\nStderr: u'df: /var/lib/docker: No such file or directory\\n'",)) loop /var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_privsep/daemon.py:456
2018-09-30 02:40:31.085 5 INFO zun.container.docker.driver [-] There was a problem while executing df -B 1G /var/lib/docker
2018-09-30 02:40:31.085 5 ERROR zun.common.exception [-] Exception in string format operation, kwargs: {'code': 500, 'cmd': 'df'}: KeyError: 'error'
2018-09-30 02:40:31.085 5 ERROR zun.common.exception Traceback (most recent call last):
2018-09-30 02:40:31.085 5 ERROR zun.common.exception File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/zun/common/exception.py", line 204, in __init__
2018-09-30 02:40:31.085 5 ERROR zun.common.exception self.message = str(self.message) % kwargs
2018-09-30 02:40:31.085 5 ERROR zun.common.exception KeyError: 'error'
2018-09-30 02:40:31.085 5 ERROR zun.common.exception
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task [-] Error during Manager.inventory_host: CommandError: The command: %(cmd)s failed on the system, due to %(error)s
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task Traceback (most recent call last):
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_service/periodic_task.py", line 220, in run_periodic_tasks
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task task(self, context)
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/zun/compute/manager.py", line 1078, in inventory_host
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task rt.update_available_resources(context)
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/zun/compute/compute_node_tracker.py", line 65, in update_available_resources
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task self.container_driver.get_available_resources(node)
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/zun/container/driver.py", line 251, in get_available_resources
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task disk_total = self.get_total_disk_for_container()
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/zun/container/docker/driver.py", line 1127, in get_total_disk_for_container
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task raise exception.CommandError(cmd='df')
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task CommandError: The command: %(cmd)s failed on the system, due to %(error)s
2018-09-30 02:40:31.091 5 ERROR oslo_service.periodic_task

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/607459

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/607459
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=d71af9ea4416b1292a0b22388ca2fff58538e036
Submitter: Zuul
Branch: master

commit d71af9ea4416b1292a0b22388ca2fff58538e036
Author: Hongbin Lu <email address hidden>
Date: Wed Oct 3 03:55:53 2018 +0000

    Handle docker data root doesn't exist

    In kolla, zun compute run inside a container so it couldn't
    access the docker data root. Zun needs to handle this case.

    Change-Id: I6882803404a1a5a6a5fe59afb1ee4b63bcd36514
    Closes-Bug: #1795262

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/zun 3.0.0.0rc1 release candidate.