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MEDIUM: stats: include disabled proxies that hold active sessions to stats

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After reloading HAProxy, the old process may still hold active sessions.
Currently there is no way to gather information, how many sessions such
a process still holds. This patch will not exclude disabled proxies from
stats output when they hold at least one active session. This will allow
sending `!@<PID> show stat` through a master socket to the disabled
process and have it returning its stats data.
This commit is contained in:
Marno Krahmer 2021-06-24 16:51:08 +02:00 committed by Willy Tarreau
parent 23048875a4
commit 07954fb069
1 changed files with 5 additions and 2 deletions
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7
src/stats.c
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@ -3575,8 +3575,11 @@ static int stats_dump_proxies(struct stream_interface *si,
}
px = appctx->ctx.stats.obj1;
/* skip the disabled proxies, global frontend and non-networked ones */
if (!px->disabled && px->uuid > 0 && (px->cap & (PR_CAP_FE | PR_CAP_BE))) {
/* Skip the global frontend proxies and non-networked ones.
* Also skip disabled proxies unless they are still holding active sessions.
* This change allows retrieving stats from "old" proxies after a reload.
*/
if ((!px->disabled || px->served > 0) && px->uuid > 0 && (px->cap & (PR_CAP_FE | PR_CAP_BE))) {
if (stats_dump_proxy_to_buffer(si, htx, px, uri) == 0)
return 0;
}