func main() {
nginx.Start()
kubeClient, err := client.NewInCluster()
if err != nil {
log.Fatalf("Failed to create client: %v.", err)
}
rateLimiter := util.NewTokenBucketRateLimiter(0.1, 1)
known := &model.RouterConfig{}
// Main loop
for {
rateLimiter.Accept()
routerConfig, err := model.Build(kubeClient)
if err != nil {
log.Printf("Error building model; not modifying certs or configuration: %v.", err)
continue
}
if reflect.DeepEqual(routerConfig, known) {
continue
}
log.Println("INFO: Router configuration has changed in k8s.")
err = nginx.WriteCerts(routerConfig, "/opt/nginx/ssl")
if err != nil {
log.Printf("Failed to write certs; continuing with existing certs and configuration: %v", err)
continue
}
err = nginx.WriteConfig(routerConfig, "/opt/nginx/conf/nginx.conf")
if err != nil {
log.Printf("Failed to write new nginx configuration; continuing with existing configuration: %v", err)
continue
}
nginx.Reload()
known = routerConfig
}
}
func main() {
nginx.Start()
cfg, err := rest.InClusterConfig()
if err != nil {
log.Fatalf("Failed to create config: %v", err)
}
kubeClient, err := kubernetes.NewForConfig(cfg)
if err != nil {
log.Fatalf("Failed to create client: %v.", err)
}
rateLimiter := flowcontrol.NewTokenBucketRateLimiter(0.1, 1)
known := &model.RouterConfig{}
// Main loop
for {
rateLimiter.Accept()
routerConfig, err := model.Build(kubeClient)
if err != nil {
log.Printf("Error building model; not modifying certs or configuration: %v.", err)
continue
}
if reflect.DeepEqual(routerConfig, known) {
continue
}
log.Println("INFO: Router configuration has changed in k8s.")
err = nginx.WriteCerts(routerConfig, "/opt/router/ssl")
if err != nil {
log.Printf("Failed to write certs; continuing with existing certs, dhparam, and configuration: %v", err)
continue
}
err = nginx.WriteDHParam(routerConfig, "/opt/router/ssl")
if err != nil {
log.Printf("Failed to write dhparam; continuing with existing dhparam and configuration: %v", err)
continue
}
err = nginx.WriteConfig(routerConfig, "/opt/router/conf/nginx.conf")
if err != nil {
log.Printf("Failed to write new nginx configuration; continuing with existing configuration: %v", err)
continue
}
err = nginx.Reload()
if err != nil {
log.Printf("Failed to reload nginx; continuing with existing configuration: %v", err)
continue
}
known = routerConfig
}
}