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repmgrd: ensure witness node metadata is updated

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If the primary changed while the witness repmgrd was not running,
ensure the witness's upstream node ID is updated when the witness
repmgrd is restarted.
This commit is contained in:
Ian Barwick
2023-06-08 16:35:56 +09:00
parent ef962436f7
commit 9ab4acea78
3 changed files with 38 additions and 2 deletions
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11
repmgrd-physical.c
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@@ -2394,6 +2394,17 @@ monitor_streaming_witness(void)
terminate(ERR_BAD_CONFIG);
}
/*
* It's possible that the primary changed while the witness repmgrd was not
* running. This does not affect the functionality of the witness repmgrd, but
* does mean outdated node metadata will be displayed, so update that.
*/
if (local_node_info.upstream_node_id != primary_node_id)
{
update_node_record_set_upstream(primary_conn, local_node_info.node_id, primary_node_id);
local_node_info.upstream_node_id = primary_node_id;
}
initPQExpBuffer(&event_details);
appendPQExpBuffer(&event_details,