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BUG/MINOR: server: incorrect report for tracking servers leaving drain

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Report message for tracking servers completely leaving drain is wrong:

The check for "leaving drain .. via" never evaluates because the
condition !(s->next_admin & SRV_ADMF_FDRAIN) is always true in the
current block which is guarded by !(s->next_admin & SRV_ADMF_DRAIN).

For tracking servers that leave inherited drain mode, this results in the
following message being emitted:
  "Server x/b is UP (leaving forced drain)"

Instead of:
  "Server x/b is UP (leaving drain) via x/a"

To this fix: we check if FDRAIN is currently set, else it means that the
drain status is inherited from the tracked server (IDRAIN)

This regression was introduced with 64cc49cf ("MAJOR: servers: propagate server
status changes asynchronously."), thus it may be backported to every stable
versions.
This commit is contained in:
Aurelien DARRAGON 2023-03-27 10:17:31 +02:00 committed by Christopher Faulet
parent 2dac67af7d
commit 9a1df02ccb
1 changed files with 1 additions and 1 deletions
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2
src/server.c
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@ -5757,7 +5757,7 @@ static void srv_update_status(struct server *s)
tmptrash = alloc_trash_chunk();
if (tmptrash) {
if (!(s->next_admin & SRV_ADMF_FDRAIN)) {
if (s->cur_admin & SRV_ADMF_FDRAIN) {
chunk_printf(tmptrash,
"%sServer %s/%s is %s (leaving forced drain)",
s->flags & SRV_F_BACKUP ? "Backup " : "",