che-operator/pkg/deploy/configmap.go

99 lines
2.7 KiB
Go

//
// Copyright (c) 2020 Red Hat, Inc.
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
// Contributors:
// Red Hat, Inc. - initial API and implementation
//
package deploy
import (
"context"
"fmt"
orgv1 "github.com/eclipse/che-operator/pkg/apis/org/v1"
"github.com/eclipse/che-operator/pkg/util"
"github.com/google/go-cmp/cmp"
"github.com/sirupsen/logrus"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
runtimeClient "sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
func SyncConfigMapToCluster(checluster *orgv1.CheCluster, specConfigMap *corev1.ConfigMap, clusterAPI ClusterAPI) (*corev1.ConfigMap, error) {
clusterConfigMap, err := getClusterConfigMap(specConfigMap.Name, specConfigMap.Namespace, clusterAPI.Client)
if err != nil {
return nil, err
}
if clusterConfigMap == nil {
logrus.Infof("Creating a new object: %s, name %s", specConfigMap.Kind, specConfigMap.Name)
err := clusterAPI.Client.Create(context.TODO(), specConfigMap)
return nil, err
}
diff := cmp.Diff(clusterConfigMap.Data, specConfigMap.Data)
if len(diff) > 0 {
logrus.Infof("Updating existed object: %s, name: %s", specConfigMap.Kind, specConfigMap.Name)
fmt.Printf("Difference:\n%s", diff)
clusterConfigMap.Data = specConfigMap.Data
err := clusterAPI.Client.Update(context.TODO(), clusterConfigMap)
return nil, err
}
return clusterConfigMap, nil
}
func GetSpecConfigMap(
checluster *orgv1.CheCluster,
name string,
data map[string]string,
clusterAPI ClusterAPI) (*corev1.ConfigMap, error) {
labels := GetLabels(checluster, DefaultCheFlavor(checluster))
configMap := &corev1.ConfigMap{
TypeMeta: metav1.TypeMeta{
Kind: "ConfigMap",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: checluster.Namespace,
Labels: labels,
},
Data: data,
}
if !util.IsTestMode() {
err := controllerutil.SetControllerReference(checluster, configMap, clusterAPI.Scheme)
if err != nil {
return nil, err
}
}
return configMap, nil
}
func getClusterConfigMap(name string, namespace string, client runtimeClient.Client) (*corev1.ConfigMap, error) {
configMap := &corev1.ConfigMap{}
namespacedName := types.NamespacedName{
Namespace: namespace,
Name: name,
}
err := client.Get(context.TODO(), namespacedName, configMap)
if err != nil {
if errors.IsNotFound(err) {
return nil, nil
}
return nil, err
}
return configMap, nil
}