78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
|
/*
|
||
|
|
Copyright 2020 VMware, Inc.
|
||
|
|
SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
package logindiscovery
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/base64"
|
||
|
|
|
||
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
|
|
"k8s.io/client-go/kubernetes"
|
||
|
|
"k8s.io/client-go/tools/clientcmd"
|
||
|
|
|
||
|
|
"github.com/suzerain-io/controller-go"
|
||
|
|
placeholderv1alpha1 "github.com/suzerain-io/placeholder-name-api/pkg/apis/placeholder/v1alpha1"
|
||
|
|
placeholderclientset "github.com/suzerain-io/placeholder-name-client-go/pkg/generated/clientset/versioned"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
clusterInfoName = "cluster-info"
|
||
|
|
clusterInfoNamespace = "kube-public"
|
||
|
|
clusterInfoConfigMapKey = "kubeconfig"
|
||
|
|
|
||
|
|
configName = "placeholder-name-config"
|
||
|
|
)
|
||
|
|
|
||
|
|
type publisherController struct {
|
||
|
|
namespace string
|
||
|
|
kubeClient kubernetes.Interface
|
||
|
|
placeholderClient placeholderclientset.Interface
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewPublisherController(namespace string, kubeClient kubernetes.Interface, placeholderClient placeholderclientset.Interface) controller.Controller {
|
||
|
|
return controller.New(
|
||
|
|
controller.Config{
|
||
|
|
Name: "publisher-controller",
|
||
|
|
Syncer: &publisherController{
|
||
|
|
namespace: namespace,
|
||
|
|
kubeClient: kubeClient,
|
||
|
|
placeholderClient: placeholderClient,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *publisherController) Sync(ctx controller.Context) error {
|
||
|
|
configMap, _ := c.kubeClient.CoreV1().ConfigMaps(clusterInfoNamespace).Get(ctx.Context, clusterInfoName, metav1.GetOptions{})
|
||
|
|
kubeConfig := configMap.Data[clusterInfoConfigMapKey] // TODO also handle when the key is not found
|
||
|
|
|
||
|
|
config, _ := clientcmd.Load([]byte(kubeConfig))
|
||
|
|
|
||
|
|
var certificateAuthorityData, server string
|
||
|
|
for _, v := range config.Clusters {
|
||
|
|
certificateAuthorityData = base64.StdEncoding.EncodeToString(v.CertificateAuthorityData)
|
||
|
|
server = v.Server
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
discoveryConfig := placeholderv1alpha1.LoginDiscoveryConfig{
|
||
|
|
TypeMeta: metav1.TypeMeta{},
|
||
|
|
ObjectMeta: metav1.ObjectMeta{
|
||
|
|
Name: configName,
|
||
|
|
Namespace: c.namespace,
|
||
|
|
},
|
||
|
|
Spec: placeholderv1alpha1.LoginDiscoveryConfigSpec{
|
||
|
|
Server: server,
|
||
|
|
CertificateAuthorityData: certificateAuthorityData,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
_, _ = c.placeholderClient.
|
||
|
|
PlaceholderV1alpha1().
|
||
|
|
LoginDiscoveryConfigs(c.namespace).
|
||
|
|
Create(ctx.Context, &discoveryConfig, metav1.CreateOptions{})
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|