214b7550bc
The database query service_get_all_by_binary should return a list of services with the specified binary but it currently excludes disabled hosts. This change adds a name parameter called 'include_disabled' which provides the caller with the option of having disabled hosts returned too. This query is used by the scheduler to retrieve the list of available hosts. The initial list should include disabled hosts. The ComputeFilter removes disabled hosts so inclusion of this filter is the proper way to exclude disabled hosts. Excluding disabled hosts from the initial list prevents the forcehost feature from being used to place an instance on a disabled host. The query is only used in objects.ServiceList.get_by_binary which is only called in one other place, in cells/state.py by CellStateManager._get_compute_hosts. Adding the named parameter to the get_by_binary method of the ServiceList class means the behaviour of CellStateManager._get_compute_hosts will not be impacted. Change-Id: I05c2716da45119e6e6aa272b0701be9ae098842c Closes-Bug: #1553099
OpenStack Nova README
OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of virtualization technologies, including KVM, Xen, LXC, VMware, and more. In addition to its native API, it includes compatibility with the commonly encountered Amazon EC2 and S3 APIs.
OpenStack Nova is distributed under the terms of the Apache License, Version 2.0. The full terms and conditions of this license are detailed in the LICENSE file.
Nova primarily consists of a set of Python daemons, though it requires and integrates with a number of native system components for databases, messaging and virtualization capabilities.
To keep updated with new developments in the OpenStack project follow @openstack on Twitter.
To learn how to deploy OpenStack Nova, consult the documentation available online at:
For information about the different compute (hypervisor) drivers supported by Nova, read this page on the wiki:
In the unfortunate event that bugs are discovered, they should be reported to the appropriate bug tracker. If you obtained the software from a 3rd party operating system vendor, it is often wise to use their own bug tracker for reporting problems. In all other cases use the master OpenStack bug tracker, available at:
Developers wishing to work on the OpenStack Nova project should always base their work on the latest Nova code, available from the master GIT repository at:
Developers should also join the discussion on the mailing list, at:
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
Any new code must follow the development guidelines detailed in the HACKING.rst file, and pass all unit tests. Further developer focused documentation is available at:
For information on how to contribute to Nova, please see the contents of the CONTRIBUTING.rst file.
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