** Also affects: nova-docker
Importance: Undecided
Status: New
** Changed in: nova
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1249104
Title:
nova docker - can't deploy multiple instances
Status in OpenStack Compute (Nova):
Invalid
Status in Nova Docker Driver:
New
Bug description:
Using docker 0.6.6 + devstack
The docker virt driver does not appear to support multiple instances
on a single boot call. For example a call like this (notice the --num-
instances param):
nova boot --image f4034eef-cac6-4059-b3f1-c3b080bc70e4 --flavor 84
--num-instances 5 cent
Will produce errors like this in the n-cpu log
7/dist-packages/amqp/channel.py:71 [-] Channel open from (pid=28464)
_open_ok /usr/local/lib/python2.7/dist-packages/amqp/channel.py:429R
nova.compute.manager [req-237556e8-b961-45dd-a4e2-1aab217067e3 admin
demo] [instance: 68ab99a6-6b90-45a8-8e28-79827ae78165] Error: Cannot
setup network: Cannot find any PID under container
"e9b3773625a0adf022b4800ad8f253c47a385f8954cb7573f1eaa7a87981df11"6-6b90-45a8-8e28-79827ae78165]
File "/opt/stack/nova/nova/compute/manager.py", line 1030, in
_build_instance6b90-45a8-8e28-79827ae78165]
set_access_ip=set_access_ip)TRACE nova.compute.manager [instance:
68ab99a6-6b90-45a8-8e28-79827ae78165] File
"/opt/stack/nova/nova/compute/manager.py", line 1439, in
_spawn68ab99a6-6b90-45a8-8e28-79827ae78165]
LOG.exception(_('Instance failed to spawn'), instance=instance)e:
68ab99a6-6b90-45a8-8e28-79827ae78165] File
"/opt/stack/nova/nova/compute/manager.py", line 1436, in
_spawn68ab99a6-6b90-45a8-8e28-79827ae78165]
block_device_info)38:58.883 TRACE nova.compute.manager [instance:
68ab99a6-6b90-45a8-8e28-79827ae78165] File
"/opt/stack/nova/nova/virt/docker/driver.py", line 317, in
spawn8ab99a6-6b90-45a8-8e28-79827ae78165]
instance_id=instance['name'])RACE nova.compute.manager [instance:
68ab99a6-6b90-45a8-8e28-79827ae78165] InstanceDeployFailure: Cannot
setup network: Cannot find any PID under container
"e9b3773625a0adf022b4800ad8f253c47a385f8954cb7573f1eaa7a87981df11"
To reproduce:
- push a docker image into glance
- use nova boot with --num-instances param with a num greater than one
- watch the vm boot fail
- check the n-cpu.log for errors
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