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615a490239
## Problem There are some common types that we pass into tenants and timelines as we construct them, such as remote storage and the broker client. Currently the list is small, but this is likely to grow -- the deletion queue PR (#4960) pushed some methods to the point of clippy complaining they had too many args, because of the extra deletion queue client being passed around. There are some shared objects that currently aren't passed around explicitly because they use a static `once_cell` (e.g. CONCURRENT_COMPACTIONS), but as we add more resource management and concurreny control over time, it will be more readable & testable to pass a type around in the respective Resources object, rather than to coordinate via static objects. The `Resources` structures in this PR will make it easier to add references to central coordination functions, without having to rely on statics. ## Summary of changes - For `Tenant`, the `broker_client` and `remote_storage` are bundled into `TenantSharedResources` - For `Timeline`, the `remote_client` is wrapped into `TimelineResources`. Both of these structures will get an additional deletion queue member in #4960.