129 lines
3.4 KiB
Go
129 lines
3.4 KiB
Go
//
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// Copyright (c) 2012-2019 Red Hat, Inc.
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// This program and the accompanying materials are made
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// available under the terms of the Eclipse Public License 2.0
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// which is available at https://www.eclipse.org/legal/epl-2.0/
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//
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// SPDX-License-Identifier: EPL-2.0
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//
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// Contributors:
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// Red Hat, Inc. - initial API and implementation
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//
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package deploy
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import (
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"context"
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"fmt"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"github.com/sirupsen/logrus"
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rbac "k8s.io/api/rbac/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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runtimeClient "sigs.k8s.io/controller-runtime/pkg/client"
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)
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var crbDiffOpts = cmp.Options{
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cmpopts.IgnoreFields(rbac.ClusterRoleBinding{}, "TypeMeta", "ObjectMeta"),
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}
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func SyncClusterRoleBindingToCluster(
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deployContext *DeployContext,
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name string,
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serviceAccountName string,
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clusterRoleName string) (*rbac.ClusterRoleBinding, error) {
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specCRB, err := getSpecClusterRoleBinding(deployContext, name, serviceAccountName, clusterRoleName)
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if err != nil {
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return nil, err
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}
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clusterRB, err := GetClusterRoleBiding(specCRB.Name, deployContext.ClusterAPI.Client)
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if err != nil {
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return nil, err
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}
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if clusterRB == nil {
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logrus.Infof("Creating a new object: %s, name %s", specCRB.Kind, specCRB.Name)
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err := deployContext.ClusterAPI.Client.Create(context.TODO(), specCRB)
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return nil, err
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}
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diff := cmp.Diff(clusterRB, specCRB, crbDiffOpts)
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if len(diff) > 0 {
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logrus.Infof("Updating existed object: %s, name: %s", clusterRB.Kind, clusterRB.Name)
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fmt.Printf("Difference:\n%s", diff)
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clusterRB.Subjects = specCRB.Subjects
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clusterRB.RoleRef = specCRB.RoleRef
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err := deployContext.ClusterAPI.Client.Update(context.TODO(), clusterRB)
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return clusterRB, err
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}
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return clusterRB, nil
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}
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func GetClusterRoleBiding(name string, client runtimeClient.Client) (*rbac.ClusterRoleBinding, error) {
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clusterRoleBinding := &rbac.ClusterRoleBinding{}
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crbName := types.NamespacedName{Name: name}
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err := client.Get(context.TODO(), crbName, clusterRoleBinding)
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if err != nil {
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if errors.IsNotFound(err) {
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return nil, nil
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}
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return nil, err
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}
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return clusterRoleBinding, nil
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}
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func getSpecClusterRoleBinding(
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deployContext *DeployContext,
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name string,
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serviceAccountName string,
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roleName string) (*rbac.ClusterRoleBinding, error) {
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labels := GetLabels(deployContext.CheCluster, DefaultCheFlavor(deployContext.CheCluster))
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clusterRoleBinding := &rbac.ClusterRoleBinding{
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TypeMeta: metav1.TypeMeta{
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Kind: "ClusterRoleBinding",
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APIVersion: rbac.SchemeGroupVersion.String(),
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Labels: labels,
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Annotations: map[string]string{
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CheEclipseOrgNamespace: deployContext.CheCluster.Namespace,
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},
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},
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Subjects: []rbac.Subject{
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{
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Kind: rbac.ServiceAccountKind,
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Name: serviceAccountName,
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Namespace: deployContext.CheCluster.Namespace,
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},
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},
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RoleRef: rbac.RoleRef{
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Name: roleName,
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APIGroup: "rbac.authorization.k8s.io",
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Kind: "ClusterRole",
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},
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}
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return clusterRoleBinding, nil
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}
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func DeleteClusterRoleBinding(clusterRoleBindingName string, client runtimeClient.Client) error {
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clusterRoleBinding := &rbac.ClusterRoleBinding{
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ObjectMeta: metav1.ObjectMeta{
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Name: clusterRoleBindingName,
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},
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}
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err := client.Delete(context.TODO(), clusterRoleBinding)
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if err != nil && !errors.IsNotFound(err) {
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return err
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}
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return nil
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}
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