[sled-agent-config-reconciler] Add separate OmicronDatasets type
#8218
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This is more consistent with how the reconciler remembers zones and disks. This is almost all just moving code around. The only nontrivial changes are: 1. In the spot where we ought to delete datasets, we at least "forget" them in-memory and log an error about leaking the ZFS dataset 2. The dataset serialization task remembers fewer details about datasets it ensured (just the names - that's all we need for the error checking it does when dealing with nested datasets)
smklein
approved these changes
May 27, 2025
… starting zones (#8219) This dramatically reduces the work that `ServiceManager::start_omicron_zone()` does by moving most of it to the config-reconciler: * Moved: shutting down existing zone of the same name * Moved: checking for time sync * Reworked: checking datasets and choosing a root zpool (now checks are performed against the most-recently-reconciled `DatasetConfig`s, and we never choose a root zpool since all zones have a property specifying which they should use) Builds on #8064 + #8218. Fixes #8173.
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This is more consistent with how the reconciler remembers zones and disks. This is almost all just moving code around. The only nontrivial changes are:
Staged on top of #8064. PR 1 of 3 working towards #8173.