[sled agent] Deprecate the old service format #5922
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smklein
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Sled Agent
davepacheco
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Jun 21, 2024
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This portion of the Sled Agent was added in #4466, migrating an old "services" ledger into a new, zones-oriented format. This code served as a bridge between old and new format, but maintaining backwards compatibility here is a burden for modifying the zone format further. Specifically: in #5050 , which attempts to add the notion of "transient zone filesystem zpool" to the request from Nexus, the translation of "old format -> new format" is no longer possible without additional information about "where should the transient zone filesystem be placed". Given that this conversion has been deployed for multiple months - across releases - I figured it would be easier to remove the old support, rather than making another bridge for old code compatibility.
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This portion of the Sled Agent was added in #4466, migrating an old "services" ledger into a new, zones-oriented format.
This code served as a bridge between old and new format, but maintaining backwards compatibility here is a burden
for modifying the zone format further.
Specifically: in #5050 , which attempts to add the notion of "transient zone filesystem zpool" to the request from Nexus, the translation of "old format -> new format" is no longer possible without additional information about "where should the transient zone filesystem be placed".
Given that this conversion has been deployed for multiple months - across releases - I figured it would be easier to remove the old support, rather than making another bridge for old code compatibility.