che-operator/pkg/deploy/clusterrole.go

111 lines
3.0 KiB
Go

//
// Copyright (c) 2012-2019 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"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/sirupsen/logrus"
rbac "k8s.io/api/rbac/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"
)
var clusterRoleDiffOpts = cmp.Options{
cmpopts.IgnoreFields(rbac.ClusterRole{}, "TypeMeta", "ObjectMeta"),
cmpopts.IgnoreFields(rbac.PolicyRule{}, "ResourceNames", "NonResourceURLs"),
}
func SyncClusterRoleToCheCluster(
deployContext *DeployContext,
name string,
policyRule []rbac.PolicyRule) (bool, error) {
specClusterRole, err := getSpecClusterRole(deployContext, name, policyRule)
if err != nil {
return false, err
}
clusterRole, err := GetClusterRole(specClusterRole.Name, deployContext.ClusterAPI.Client)
if err != nil {
return false, err
}
if clusterRole == nil {
logrus.Infof("Creating a new object: %s, name %s", specClusterRole.Kind, specClusterRole.Name)
err := deployContext.ClusterAPI.Client.Create(context.TODO(), specClusterRole)
return false, err
}
diff := cmp.Diff(clusterRole, specClusterRole, clusterRoleDiffOpts)
if len(diff) > 0 {
logrus.Infof("Updating existed object: %s, name: %s", clusterRole.Kind, clusterRole.Name)
fmt.Printf("Difference:\n%s", diff)
clusterRole.Rules = specClusterRole.Rules
err := deployContext.ClusterAPI.Client.Update(context.TODO(), clusterRole)
return false, err
}
return true, nil
}
func GetClusterRole(name string, client runtimeClient.Client) (*rbac.ClusterRole, error) {
clusterRole := &rbac.ClusterRole{}
namespacedName := types.NamespacedName{
Name: name,
}
err := client.Get(context.TODO(), namespacedName, clusterRole)
if err != nil {
if errors.IsNotFound(err) {
return nil, nil
}
return nil, err
}
return clusterRole, nil
}
func getSpecClusterRole(deployContext *DeployContext, name string, policyRule []rbac.PolicyRule) (*rbac.ClusterRole, error) {
labels := GetLabels(deployContext.CheCluster, DefaultCheFlavor(deployContext.CheCluster))
clusterRole := &rbac.ClusterRole{
TypeMeta: metav1.TypeMeta{
Kind: "ClusterRole",
APIVersion: rbac.SchemeGroupVersion.String(),
},
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: labels,
},
Rules: policyRule,
}
return clusterRole, nil
}
func DeleteClusterRole(clusterRoleName string, client runtimeClient.Client) error {
clusterRole := &rbac.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: clusterRoleName,
},
}
err := client.Delete(context.TODO(), clusterRole)
if err != nil && !errors.IsNotFound(err) {
return err
}
return nil
}