107 lines
3.3 KiB
Go
107 lines
3.3 KiB
Go
/*
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Copyright 2017 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 client
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import (
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"fmt"
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"reflect"
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"time"
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arbv1 "github.com/kubernetes-incubator/kube-arbitrator/pkg/apis/v1"
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apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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"k8s.io/apimachinery/pkg/util/errors"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/client-go/rest"
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)
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func NewQueueJobClient(cfg *rest.Config) (*rest.RESTClient, *runtime.Scheme, error) {
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scheme := runtime.NewScheme()
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if err := arbv1.AddToScheme(scheme); err != nil {
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return nil, nil, err
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}
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config := *cfg
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config.GroupVersion = &arbv1.SchemeGroupVersion
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config.APIPath = "/apis"
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config.ContentType = runtime.ContentTypeJSON
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config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: serializer.NewCodecFactory(scheme)}
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client, err := rest.RESTClientFor(&config)
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if err != nil {
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return nil, nil, err
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}
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return client, scheme, nil
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}
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const queueJobCRDName = arbv1.QueueJobPlural + "." + arbv1.GroupName
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func CreateQueueJobCRD(clientset apiextensionsclient.Interface) (*apiextensionsv1beta1.CustomResourceDefinition, error) {
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crd := &apiextensionsv1beta1.CustomResourceDefinition{
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ObjectMeta: metav1.ObjectMeta{
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Name: queueJobCRDName,
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},
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Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
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Group: arbv1.GroupName,
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Version: arbv1.SchemeGroupVersion.Version,
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Scope: apiextensionsv1beta1.NamespaceScoped,
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Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
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Plural: arbv1.QueueJobPlural,
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Kind: reflect.TypeOf(arbv1.QueueJob{}).Name(),
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},
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},
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}
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_, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
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if err != nil {
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return nil, err
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}
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// wait for CRD being established
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err = wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
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crd, err = clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(queueJobCRDName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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for _, cond := range crd.Status.Conditions {
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switch cond.Type {
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case apiextensionsv1beta1.Established:
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if cond.Status == apiextensionsv1beta1.ConditionTrue {
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return true, err
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}
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case apiextensionsv1beta1.NamesAccepted:
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if cond.Status == apiextensionsv1beta1.ConditionFalse {
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fmt.Printf("Name conflict: %v\n", cond.Reason)
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}
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}
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}
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return false, err
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})
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if err != nil {
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deleteErr := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Delete(queueJobCRDName, nil)
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if deleteErr != nil {
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return nil, errors.NewAggregate([]error{err, deleteErr})
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}
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return nil, err
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}
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return crd, nil
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}
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