** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => liberty-2
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1468012
Title:
compute monitors should be loaded via stevedore
Status in OpenStack Compute (nova):
Fix Released
Bug description:
The monitor plugins in /nova/compute/monitors/ are currently loaded
via a nova.loadables.BaseLoader subclass called
ResourceMonitorHandler. We should be able to get rid of the
nova.loadables Python module and just use the stevedore library, which
is purpose-built for extension loading and managing like this.
This would have the side benefit of us being able to deprecate the
following CONF options:
compute_monitors_opts = [
cfg.MultiStrOpt('compute_available_monitors',
default=['nova.compute.monitors.all_monitors'],
help='Monitor classes available to the compute which may '
'be specified more than once.'),
cfg.ListOpt('compute_monitors',
default=[],
help='A list of monitors that can be used for getting '
'compute metrics.'),
]
Since stevedore's ExtensionManager loads extensions via standard
Python setuptools entry_points.
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