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Copy pathbackup_service_account.go
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package minecraftbackup
import (
"context"
corev1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
minecraftv1alpha1 "github.com/jameslaverack/kubernetes-minecraft-operator/api/v1alpha1"
"github.com/jameslaverack/kubernetes-minecraft-operator/pkg/logutil"
)
func BackupRBAC(ctx context.Context, k8s client.Client, backup *minecraftv1alpha1.MinecraftBackup) (bool, error) {
log := logutil.FromContextOrNew(ctx)
// Service Account
expectedSA := serviceAccountForBackup(backup)
var actualSA corev1.ServiceAccount
err := k8s.Get(ctx, client.ObjectKeyFromObject(expectedSA), &actualSA)
if client.IgnoreNotFound(err) != nil {
return false, err
}
if apierrors.IsNotFound(err) {
log.Info("SA doesn't exist, creating")
return true, k8s.Create(ctx, expectedSA)
}
// Role
expectedRole := roleForBackup(backup)
var actualRole rbacv1.Role
err = k8s.Get(ctx, client.ObjectKeyFromObject(expectedRole), &actualRole)
if client.IgnoreNotFound(err) != nil {
return false, err
}
if apierrors.IsNotFound(err) {
log.Info("Role doesn't exist, creating")
return true, k8s.Create(ctx, expectedRole)
}
// RoleBinding
expectedRoleBinding := roleBindingForBackup(backup)
var actualRoleBinding rbacv1.RoleBinding
err = k8s.Get(ctx, client.ObjectKeyFromObject(expectedRoleBinding), &actualRoleBinding)
if client.IgnoreNotFound(err) != nil {
return false, err
}
if apierrors.IsNotFound(err) {
log.Info("Role doesn't exist, creating")
return true, k8s.Create(ctx, expectedRoleBinding)
}
return false, nil
}
func serviceAccountForBackup(backup *minecraftv1alpha1.MinecraftBackup) *corev1.ServiceAccount {
return &corev1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: backup.Name,
Namespace: backup.Namespace,
OwnerReferences: []metav1.OwnerReference{backupOwnerReference(backup)},
},
}
}
func roleForBackup(backup *minecraftv1alpha1.MinecraftBackup) *rbacv1.Role {
return &rbacv1.Role{
ObjectMeta: metav1.ObjectMeta{
Name: backup.Name,
Namespace: backup.Namespace,
OwnerReferences: []metav1.OwnerReference{backupOwnerReference(backup)},
},
Rules: []rbacv1.PolicyRule{
{
Verbs: []string{"get", "list", "update"},
APIGroups: []string{minecraftv1alpha1.GroupVersion.Group},
Resources: []string{"minecraftservers"},
ResourceNames: []string{backup.Spec.Server.Name},
},
},
}
}
func roleBindingForBackup(backup *minecraftv1alpha1.MinecraftBackup) *rbacv1.RoleBinding {
return &rbacv1.RoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: backup.Name,
Namespace: backup.Namespace,
OwnerReferences: []metav1.OwnerReference{backupOwnerReference(backup)},
},
RoleRef: rbacv1.RoleRef{
Name: backup.Name,
APIGroup: rbacv1.GroupName,
Kind: "Role",
},
Subjects: []rbacv1.Subject{
{
Kind: "ServiceAccount",
APIGroup: corev1.GroupName,
Name: backup.Name,
Namespace: backup.Namespace,
},
},
}
}