func newClient() (*client.Client, error) {
protocol := os.Getenv("KUBERNETES_API_PROTOCOL")
host := os.Getenv("KUBERNETES_RO_SERVICE_HOST")
port := os.Getenv("KUBERNETES_RO_SERVICE_PORT")
if len(protocol) == 0 {
protocol = "http"
}
if len(host) == 0 {
host = "127.0.0.1"
}
if len(port) == 0 {
port = "8080"
}
return client.New(&client.Config{
Host: protocol + "://" + host + ":" + port,
})
}
func main() {
clusterAddress := os.Getenv("CLUSTER_ADDRESS")
rootDns := os.Getenv("ROOT_DNS_DOMAIN")
if rootDns == "" {
log.Fatalln("You need to precise your root DNS name with the `ROOT_DNS_DOMAIN` environment variable")
}
config := client.Config{
Host: clusterAddress,
Insecure: os.Getenv("INSECURE_CLUSTER") == "true",
}
c, err := client.New(&config)
if err != nil {
log.Fatalln("Can't connect to Kubernetes API:", err)
}
w, err := c.Services(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), api.ListOptions{})
if err != nil {
log.Fatalln("Unable to watch services:", err)
}
log.Println("Watching services")
for event := range w.ResultChan() {
service, ok := event.Object.(*api.Service)
if !ok {
log.Println("Got a non-service object")
continue
}
if event.Type == watch.Added || event.Type == watch.Modified {
err := ReviewService(c, service, rootDns)
if err != nil {
log.Println("An error occured while updating service")
}
}
}
}
