feat: add check_empty_wal_archive to WAL and RestoreJobHooks requests#353
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feat: add check_empty_wal_archive to WAL and RestoreJobHooks requests#353mnencia wants to merge 1 commit into
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Verifying a WAL archive destination before writing to it is a decision about the Cluster's state, and that is the operator's domain, not the plugin's. Today, though, a plugin that performs this check re-derives the decision on its own (e.g. by reading a Cluster annotation directly), duplicating policy that belongs upstream instead of relying on a single source of truth. Add an explicit, optional boolean field to WALArchiveRequest and to RestoreJobHooks' RestoreRequest so the operator can compute the decision once and hand it to the plugin explicitly. The field is optional: an unset value means the request comes from an operator that predates this field, and the plugin is free to handle that case as it sees fit. Signed-off-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com>
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Verifying a WAL archive destination before writing to it is a decision about the Cluster's state, and that is the operator's domain, not the plugin's. Today, though, a plugin that performs this check re-derives the decision on its own (e.g. by reading a Cluster annotation directly), duplicating policy that belongs upstream instead of relying on a single source of truth.
Add an explicit, optional boolean field to WALArchiveRequest and to RestoreJobHooks' RestoreRequest so the operator can compute the decision once and hand it to the plugin explicitly. The field is optional: an unset value means the request comes from an operator that predates this field, and the plugin is free to handle that case as it sees fit.
Related: cloudnative-pg/cloudnative-pg#11216 (operator) and cloudnative-pg/plugin-barman-cloud#1009 (plugin) consume this field.