fuel-dev team mailing list archive

[David Easter <deaster@xxxxxxxxxxxx>]

Can we take this conversation to openstack-dev with a tag of [Fuel] [Nova]
[Horizon] and get some community traffic going around the topic?

Perhaps posting it more as a "We noticed that this was set to False in
IceHouse, so we're planning on changing the default value to "False" in Fuel
­ any input on if that's the best idea for this issue in Havana?  What kind
of situations need it to be set to true?"

Thanks,

-Dave Easter

From:  Ilya Shakhat <ishakhat@xxxxxxxxxxxx>
Date:  Thursday, December 19, 2013 11:17 AM
To:  <fuel-dev@xxxxxxxxxxxxxxxxxxx>
Subject:  [Fuel-dev] Default values in local_settings.py file of Horizon

Hi, 

I've got an issue related to configuration of attached volume device name in
Horizon. That option is not supported by all hypervisors (see
https://bugs.launchpad.net/nova/+bug/1075971,
https://bugs.launchpad.net/nova/+bug/1217874 ) and in Icehouse it is hidden
by default. The visibility of that option is configured by section in
local_settings.py 
(https://github.com/openstack/horizon/blob/stable/havana/openstack_dashboard
/local/local_settings.py.example):
OPENSTACK_HYPERVISOR_FEATURES = {
    'can_set_mount_point': True,
}
However In Icehouse the same option is:
# The Xen Hypervisor has the ability to set the mount point for volumes
# attached to instances (other Hypervisors currently do not). Setting

# can_set_mount_point to True will add the option to set the mount point
# from the UI.
OPENSTACK_HYPERVISOR_FEATURES = {
    'can_set_mount_point': False,
    'can_set_password': True,
}
What will be the default value of that option in upcoming Fuel 4.0?

Thanks,
Ilya 

PS. Two more patches related to the same issue with device attachment:
* https://review.openstack.org/#/c/60261/ - merged into Horizon on Dec 12th,
it adds a notice "Actual device name may differ due hypervisor settings."
* https://review.openstack.org/#/c/60257/4 - on review, the patch introduces
warning when hypervisor is not able to attach volume with specified name

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