Remove fastcgi feature (#9864)

internal/ingress/controller/controller.go

@@ -608,7 +608,7 @@ func (n *NGINXController) getConfiguration(ingresses []*ingress.Ingress) (sets.S
 
 	for _, server := range servers {
 		// If a location is defined by a prefix string that ends with the slash character, and requests are processed by one of
-		// proxy_pass, fastcgi_pass, uwsgi_pass, scgi_pass, memcached_pass, or grpc_pass, then the special processing is performed.
+		// proxy_pass, uwsgi_pass, scgi_pass, memcached_pass, or grpc_pass, then the special processing is performed.
 		// In response to a request with URI equal to // this string, but without the trailing slash, a permanent redirect with the
 		// code 301 will be returned to the requested URI with the slash appended. If this is not desired, an exact match of the
 		// URIand location could be defined like this:
@@ -1519,7 +1519,6 @@ func locationApplyAnnotations(loc *ingress.Location, anns *annotations.Ingress)
 	loc.Logs = anns.Logs
 	loc.DefaultBackend = anns.DefaultBackend
 	loc.BackendProtocol = anns.BackendProtocol
-	loc.FastCGI = anns.FastCGI
 	loc.CustomHTTPErrors = anns.CustomHTTPErrors
 	loc.ModSecurity = anns.ModSecurity
 	loc.Satisfy = anns.Satisfy

internal/ingress/controller/template/template.go

@@ -739,9 +739,6 @@ func buildProxyPass(host string, b interface{}, loc interface{}) string {
 	case "AJP":
 		proto = ""
 		proxyPass = "ajp_pass"
-	case "FCGI":
-		proto = ""
-		proxyPass = "fastcgi_pass"
 	}
 
 	upstreamName := "upstream_balancer"

internal/ingress/controller/template/template_test.go

@@ -1138,7 +1138,6 @@ func TestOpentracingPropagateContext(t *testing.T) {
 		{BackendProtocol: "GRPC"}:      "opentracing_grpc_propagate_context;",
 		{BackendProtocol: "GRPCS"}:     "opentracing_grpc_propagate_context;",
 		{BackendProtocol: "AJP"}:       "opentracing_propagate_context;",
-		{BackendProtocol: "FCGI"}:      "opentracing_propagate_context;",
 		nil:                            "",
 	}
 
@@ -1158,7 +1157,6 @@ func TestOpentelemetryPropagateContext(t *testing.T) {
 		{BackendProtocol: "GRPC"}:      "opentelemetry_propagate;",
 		{BackendProtocol: "GRPCS"}:     "opentelemetry_propagate;",
 		{BackendProtocol: "AJP"}:       "opentelemetry_propagate;",
-		{BackendProtocol: "FCGI"}:      "opentelemetry_propagate;",
 		nil:                            "",
 	}