mirror of https://github.com/k3s-io/k3s
45 lines
1.6 KiB
Go
45 lines
1.6 KiB
Go
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/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package reconciliation
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import (
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
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)
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// tryEnsureNamespace gets or creates the given namespace while ignoring forbidden errors.
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// It is a best effort attempt as the user may not be able to get or create namespaces.
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// This allows us to handle flows where the user can only mutate roles and role bindings.
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func tryEnsureNamespace(client corev1client.NamespaceInterface, namespace string) error {
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_, getErr := client.Get(namespace, metav1.GetOptions{})
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if getErr == nil {
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return nil
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}
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if fatalGetErr := utilerrors.FilterOut(getErr, apierrors.IsNotFound, apierrors.IsForbidden); fatalGetErr != nil {
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return fatalGetErr
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}
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ns := &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace}}
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_, createErr := client.Create(ns)
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return utilerrors.FilterOut(createErr, apierrors.IsAlreadyExists, apierrors.IsForbidden)
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}
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