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main.go
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main.go
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package main
import (
"context"
"github.com/cloudogu/k8s-registry-lib/repository"
"os"
ctrl "sigs.k8s.io/controller-runtime"
"github.com/cloudogu/k8s-host-change/pkg/alias"
"github.com/cloudogu/k8s-host-change/pkg/hosts"
"github.com/cloudogu/k8s-host-change/pkg/initializer"
"github.com/cloudogu/k8s-host-change/pkg/logging"
)
var logger = ctrl.Log.WithName("k8s-host-change")
func init() {
if err := logging.ConfigureLogger(); err != nil {
panic(err.Error())
}
}
func main() {
err := run()
if err != nil {
handleError(err)
}
}
func run() error {
init := initializer.New()
namespace := init.GetNamespace()
clientSet, err := init.CreateClientSet()
if err != nil {
return err
}
globalConfigRepo := repository.NewGlobalConfigRepository(clientSet.CoreV1().ConfigMaps(namespace))
if err != nil {
return err
}
hostGenerator := alias.NewHostAliasGenerator(globalConfigRepo)
updater := hosts.NewHostAliasUpdater(clientSet, hostGenerator)
err = updater.UpdateHosts(context.Background(), namespace)
if err != nil {
return err
}
return nil
}
func handleError(err error) {
logger.Error(err, "exit k8s-host-change")
os.Exit(1)
}