Glance cluster awareness

As discussed before and during the summit, the proposal for
inter-communication between glance-api nodes to provide
operational efficiency in multi-node Glance deployments.

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Erno Kuvaja 2018-06-06 02:18:25 +01:00
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Spec Lite: Glance cluster awareness
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Mandatory sections
:project: glance
:problem: Individual glance nodes are fully un-aware that there might be
other nodes operating in the same space. This lack of communication
between the nodes causes issues separating workers and operating in
different locations.
:solution: We have message queues already utilized in notifications and other
projects. Lets expand that for communications between different
glance-api nodes to gain better operational efficiency.
:impacts: DocImpact
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Optional sections -- delete any that don't apply to this spec lite
:alternatives: We could use something else than the message queues but
effectively that would end up recreating something like registry
but just as a message broker.
:timeline: Possible initial functionality in Rocky, more use cases covered S
and beyond. This can be expanded fairly easily so we can proceed as
time permits.
:assignee: jokke