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fix: retry on HTTP 503 from OpenBMC REST API instead of failing

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OpenBMC BMCs intermittently return 503 Service Unavailable when the
REST service is busy or recovering. xCAT reported the error immediately,
requiring the user to manually retry. A second attempt usually succeeds.

Retry the same request up to 3 times with a 3-second wait on 503.
If all retries fail, report the error as before. The existing 504
handling for bmcreboot is preserved.

Ref: #4264
This commit is contained in:
Vinícius Ferrão
2026-05-06 18:50:53 -03:00
parent ca6bafd723
commit 1bca57fa2a
1 changed files with 6 additions and 0 deletions
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xCAT-server/lib/xcat/plugins/openbmc.pm
+6
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@@ -2991,6 +2991,12 @@ sub deal_with_response {
}
if ($response->status_line eq $::RESPONSE_SERVICE_UNAVAILABLE) {
$node_info{$node}{_503_retries} = ($node_info{$node}{_503_retries} || 0) + 1;
if ($node_info{$node}{_503_retries} <= 3) {
$node_info{$node}{cur_status} =~ s/_RESPONSE$/_REQUEST/;
$node_wait{$node} = time() + 3;
return;
}
$error = $::RESPONSE_SERVICE_UNAVAILABLE;
} elsif ($response->status_line eq $::RESPONSE_METHOD_NOT_ALLOWED) {
if ($node_info{$node}{cur_status} eq "REVENTLOG_RESOLVED_RESPONSE") {