mirror of
https://github.com/kubevela/kubevela.git
synced 2026-03-05 11:11:28 +00:00
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
/*
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Copyright 2021 The KubeVela 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 util
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import (
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"context"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
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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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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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// OAMLabel defines the label of namespace automatically created by kubevela
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var OAMLabel = map[string]string{"app.kubernetes.io/part-of": "kubevela"}
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// DoesNamespaceExist check namespace exist
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func DoesNamespaceExist(c client.Client, namespace string) (bool, error) {
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var ns corev1.Namespace
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err := c.Get(context.Background(), types.NamespacedName{Name: namespace}, &ns)
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if err != nil {
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return false, client.IgnoreNotFound(err)
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}
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return true, nil
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}
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// NewNamespace create namespace
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func NewNamespace(c client.Client, namespace string) error {
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ns := &corev1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: namespace,
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// marking a special label for prometheus monitoring.
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Labels: OAMLabel}}
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err := c.Create(context.Background(), ns)
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if err != nil {
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return err
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}
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return nil
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}
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// DoesCRDExist check CRD exist
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func DoesCRDExist(cxt context.Context, c client.Client, crdName string) (bool, error) {
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err := c.Get(cxt, types.NamespacedName{Name: crdName}, &apiextensions.CustomResourceDefinition{})
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if err != nil {
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if errors.IsNotFound(err) {
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return false, nil
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}
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return false, err
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}
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return true, nil
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}
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