Hyper-V: support for VM diagnostics

Registered by Alin Balutoiu on 2016-05-10

Currently, VM diagnostics is supported by KVM, VMWare and Xen. At the moment,
there is no support for VM diagnostics in the Hyper-V driver.

This blueprint proposes adding VM diagnostics support for the Hyper-V driver.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
Alin Balutoiu
Direction:
Needs approval
Assignee:
Alin Balutoiu
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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As discussed in IRC today, the existing diagnostics REST API in v2.1 uses the old non-standard get_diagnostics compute API method, which is each virt driver providing a random dict of values. Before we add support for hyper-v, we need a microversion in the diagnostics REST API to use the newer standardized (for what was at the time v3) get_instance_diagnostics compute API method. That uses a mostly standard object for diagnostics that the virt drivers share, and then they have some extra room for custom values. But that's what hyper-v should start out using, which means this is dependent on a blueprint to add that microversion to use the newer code. -- mriedem 20160510

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