Runtime cleanup (Shim manager and task service)#7280
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fuweid merged 2 commits intocontainerd:mainfrom Aug 13, 2022
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Signed-off-by: Maksym Pavlenko <[email protected]>
Signed-off-by: Maksym Pavlenko <[email protected]>
dmcgowan
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Aug 12, 2022
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Thanks for generalizing the shim manager and providing a way to get access to the ttrpc client. It also seems like a suitable use for generics to me. |
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This PR is a follow up for shim changes #5918 and addresses this todo.
It further decouples
ShimManagerandTaskService, so now shim manager is not aware aboutTaskServiceor any other service shim provides. Instead it manages generic shims instances, that can implement arbitrary number of services and just exposes a TTRPC client to them (viaShimInstanceinterface).Previously it was challenging to make this change because of
TaskListv1 dependency (v1 needs a list of Tasks while v2 needs a list of Shims). Since we updated supported Go versions (1.18, 1.19), which both support generics, we can implement multiple variations ofTaskList-NSMap[runtime.Task]forv1andNSMap[ShimInstance]forv2.