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Controller: Fix panic in alternative backend merging. (#11794)

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Co-authored-by: joey <zchengjoey@gmail.com>
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k8s-infra-cherrypick-robot 2024-08-13 03:00:56 -07:00 • committed by GitHub
parent 5fec9baa79
commit c419a2ca27
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2 changed files with 78 additions and 2 deletions
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12
internal/ingress/controller/controller.go
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@ -1594,7 +1594,11 @@ func mergeAlternativeBackends(ing *ingress.Ingress, upstreams map[string]*ingres
altEqualsPri := false
for _, loc := range servers[defServerName].Locations {
priUps := upstreams[loc.Backend]
priUps, ok := upstreams[loc.Backend]
if !ok {
klog.Warningf("cannot find primary backend %s for location %s%s", loc.Backend, servers[defServerName].Hostname, loc.Path)
continue
}
altEqualsPri = altUps.Name == priUps.Name
if altEqualsPri {
klog.Warningf("alternative upstream %s in Ingress %s/%s is primary upstream in Other Ingress for location %s%s!",
@ -1653,7 +1657,11 @@ func mergeAlternativeBackends(ing *ingress.Ingress, upstreams map[string]*ingres
// find matching paths
for _, loc := range server.Locations {
priUps := upstreams[loc.Backend]
priUps, ok := upstreams[loc.Backend]
if !ok {
klog.Warningf("cannot find primary backend %s for location %s%s", loc.Backend, server.Hostname, loc.Path)
continue
}
altEqualsPri = altUps.Name == priUps.Name
if altEqualsPri {
klog.Warningf("alternative upstream %s in Ingress %s/%s is primary upstream in Other Ingress for location %s%s!",