[v24.1.x] Always use the latest configuration for followers metadata #20148
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Removed comment mentioning that we should add applying snapshot to stm as this is already being done Signed-off-by: Michał Maślanka <michal@redpanda.com> (cherry picked from commit 2f287e2)
When install snapshot request in processed by the follower it may not always replace the follower log content. If the snapshot last included offset is smaller than the follower dirty offset the follower should prefix truncate all the data up to the snapshot last included offset but keep all the entries which offset is greater than snapshot last included offset. Fixed the update of follower metadata state as it was always using the snapshot configuration instead the latest from the configuration manager. Fixes: #core-internal/issues/1310 Signed-off-by: Michał Maślanka <michal@redpanda.com> (cherry picked from commit c69709f)
When install snapshot request is received by the current leader it must unconditionally step down. This is the same behavior as in the case of receiving an append entries request. Signed-off-by: Michał Maślanka <michal@redpanda.com> (cherry picked from commit 571aa19)
When install snapshot request is delayed and deliver to the node after it already made progress it can not lead to state inconsistencies. Added test validating handing of delayed `install_snapshot` requests. The test is validating behavior of both follower and the leader. Signed-off-by: Michał Maślanka <michal@redpanda.com> (cherry picked from commit e73aa28)
(cherry picked from commit b52b4c3)
Support std::error_code, raft::errc, cluster::errc and bool, both individually and as part of a result<..., ...> (cherry picked from commit 94e99f0)
That's mostly for later use in raft_fixture::retry_with_leader (cherry picked from commit 07e714f)
As part of deprecating simple_raft_fixture in favour of raft_fixture, making id_allocator_stm_test to use the latter. (cherry picked from commit 3821433)
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Jul 17, 2024
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Backport of PR #19964