AlinsRan commented on code in PR #2582:
URL: 
https://github.com/apache/apisix-ingress-controller/pull/2582#discussion_r2384421875


##########
internal/adc/translator/apisixupstream.go:
##########
@@ -33,50 +34,73 @@ import (
        "github.com/apache/apisix-ingress-controller/internal/utils"
 )
 
-func (t *Translator) translateApisixUpstream(tctx *provider.TranslateContext, 
au *apiv2.ApisixUpstream) (ups *adc.Upstream, err error) {
-       ups = adc.NewDefaultUpstream()
-       for _, f := range []func(*apiv2.ApisixUpstream, *adc.Upstream) error{
-               patchApisixUpstreamBasics,
+func (t *Translator) translateApisixUpstream(tctx *provider.TranslateContext, 
au *apiv2.ApisixUpstream) (*adc.Upstream, error) {
+       return t.translateApisixUpstreamForPort(tctx, au, nil)
+}
+
+func (t *Translator) translateApisixUpstreamForPort(tctx 
*provider.TranslateContext, au *apiv2.ApisixUpstream, port *int32) 
(*adc.Upstream, error) {
+       log.Debugw("translating ApisixUpstream", zap.Any("apisixupstream", au), 
zap.Int32p("port", port))
+
+       ups := adc.NewDefaultUpstream()
+       ups.Name = composeExternalUpstreamName(au)
+       maps.Copy(ups.Labels, au.Labels)
+
+       if err := translateApisixUpstreamConfig(tctx, 
&au.Spec.ApisixUpstreamConfig, ups); err != nil {
+               return nil, err
+       }
+       if err := translateApisixUpstreamExternalNodes(tctx, au, ups); err != 
nil {
+               return nil, err
+       }
+
+       // If PortLevelSettings is configured and a specific port is provided,
+       // apply the ApisixUpstreamConfig for the matching port to the upstream.
+       if len(au.Spec.PortLevelSettings) > 0 && port != nil {
+               for _, pls := range au.Spec.PortLevelSettings {
+                       if pls.Port != *port {
+                               continue
+                       }
+                       if err := translateApisixUpstreamConfig(tctx, 
&pls.ApisixUpstreamConfig, ups); err != nil {
+                               return nil, err
+                       }
+               }
+       }
+
+       log.Debugw("translated ApisixUpstream", zap.Any("upstream", ups))
+
+       return ups, nil
+}
+
+func translateApisixUpstreamConfig(tctx *provider.TranslateContext, config 
*apiv2.ApisixUpstreamConfig, ups *adc.Upstream) (err error) {
+       for _, f := range []func(*apiv2.ApisixUpstreamConfig, *adc.Upstream) 
error{
                translateApisixUpstreamScheme,
                translateApisixUpstreamLoadBalancer,
                translateApisixUpstreamRetriesAndTimeout,
                translateApisixUpstreamPassHost,
                translateUpstreamHealthCheck,
                translateUpstreamDiscovery,
        } {
-               if err = f(au, ups); err != nil {
+               if err = f(config, ups); err != nil {
                        return
                }
        }
-       for _, f := range []func(*provider.TranslateContext, 
*apiv2.ApisixUpstream, *adc.Upstream) error{
+       for _, f := range []func(*provider.TranslateContext, 
*apiv2.ApisixUpstreamConfig, *adc.Upstream) error{
                translateApisixUpstreamClientTLS,
-               translateApisixUpstreamExternalNodes,
        } {
-               if err = f(tctx, au, ups); err != nil {
+               if err = f(tctx, config, ups); err != nil {
                        return
                }
        }

Review Comment:
   Added functions.
    No changes have been made.



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