Disable dynamic configuration in s390x and ppc64le (#2298)

cmd/nginx/flags.go

@@ -20,6 +20,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"runtime"
 	"time"
 
 	"github.com/golang/glog"
@@ -194,6 +195,12 @@ func parseFlags() (bool, *controller.Configuration, error) {
 		glog.Warningf("Check of SSL certificate chain is disabled (--enable-ssl-chain-completion=false)")
 	}
 
+	if *dynamicConfigurationEnabled && (runtime.GOARCH == "s390x" || runtime.GOARCH == "ppc64le") {
+		b := false
+		dynamicConfigurationEnabled = &b
+		glog.Warningf("Disabling dynamic configuration feature (LuaJIT is not available in s390x and ppc64le)")
+	}
+
 	config := &controller.Configuration{
 		APIServerHost:               *apiserverHost,
 		KubeConfigFile:              *kubeConfigFile,