mirror of
https://github.com/ceph/ceph-csi.git
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472 lines
15 KiB
Go
472 lines
15 KiB
Go
/*
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Copyright 2014 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 examples_test
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"testing"
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"github.com/golang/glog"
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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/types"
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"k8s.io/apimachinery/pkg/util/validation/field"
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"k8s.io/apimachinery/pkg/util/yaml"
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"k8s.io/kubernetes/pkg/api/testapi"
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"k8s.io/kubernetes/pkg/apis/apps"
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appsvalidation "k8s.io/kubernetes/pkg/apis/apps/validation"
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"k8s.io/kubernetes/pkg/apis/batch"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/apis/core/validation"
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"k8s.io/kubernetes/pkg/apis/extensions"
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expvalidation "k8s.io/kubernetes/pkg/apis/extensions/validation"
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"k8s.io/kubernetes/pkg/capabilities"
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"k8s.io/kubernetes/pkg/registry/batch/job"
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schedulerapi "k8s.io/kubernetes/pkg/scheduler/api"
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schedulerapilatest "k8s.io/kubernetes/pkg/scheduler/api/latest"
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schedulerapivalidation "k8s.io/kubernetes/pkg/scheduler/api/validation"
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)
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func validateObject(obj runtime.Object) (errors field.ErrorList) {
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switch t := obj.(type) {
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case *api.ReplicationController:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateReplicationController(t)
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case *api.ReplicationControllerList:
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for i := range t.Items {
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errors = append(errors, validateObject(&t.Items[i])...)
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}
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case *api.Service:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateService(t)
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case *api.ServiceList:
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for i := range t.Items {
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errors = append(errors, validateObject(&t.Items[i])...)
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}
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case *api.Pod:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidatePod(t)
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case *api.PodList:
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for i := range t.Items {
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errors = append(errors, validateObject(&t.Items[i])...)
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}
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case *api.PersistentVolume:
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errors = validation.ValidatePersistentVolume(t)
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case *api.PersistentVolumeClaim:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidatePersistentVolumeClaim(t)
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case *api.PodTemplate:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidatePodTemplate(t)
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case *api.Endpoints:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateEndpoints(t)
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case *api.Namespace:
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errors = validation.ValidateNamespace(t)
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case *api.Secret:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateSecret(t)
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case *api.LimitRange:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateLimitRange(t)
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case *api.ResourceQuota:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = validation.ValidateResourceQuota(t)
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case *extensions.Deployment:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = expvalidation.ValidateDeployment(t)
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case *batch.Job:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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// Job needs generateSelector called before validation, and job.Validate does this.
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// See: https://github.com/kubernetes/kubernetes/issues/20951#issuecomment-187787040
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t.ObjectMeta.UID = types.UID("fakeuid")
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errors = job.Strategy.Validate(nil, t)
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case *extensions.Ingress:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = expvalidation.ValidateIngress(t)
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case *extensions.DaemonSet:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = expvalidation.ValidateDaemonSet(t)
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case *apps.StatefulSet:
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if t.Namespace == "" {
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t.Namespace = metav1.NamespaceDefault
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}
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errors = appsvalidation.ValidateStatefulSet(t)
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default:
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errors = field.ErrorList{}
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errors = append(errors, field.InternalError(field.NewPath(""), fmt.Errorf("no validation defined for %#v", obj)))
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}
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return errors
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}
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func validateschedulerpolicy(obj runtime.Object) error {
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switch t := obj.(type) {
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case *schedulerapi.Policy:
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return schedulerapivalidation.ValidatePolicy(*t)
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default:
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return fmt.Errorf("obj type is not schedulerapi.Policy")
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}
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}
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func walkJSONFiles(inDir string, fn func(name, path string, data []byte)) error {
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return filepath.Walk(inDir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() && path != inDir {
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return filepath.SkipDir
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}
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file := filepath.Base(path)
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if ext := filepath.Ext(file); ext == ".json" || ext == ".yaml" {
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glog.Infof("Testing %s", path)
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return err
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}
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name := strings.TrimSuffix(file, ext)
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if ext == ".yaml" {
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out, err := yaml.ToJSON(data)
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if err != nil {
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return fmt.Errorf("%s: %v", path, err)
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}
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data = out
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}
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fn(name, path, data)
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}
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return nil
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})
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}
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func TestExampleObjectSchemas(t *testing.T) {
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cases := map[string]map[string]runtime.Object{
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"../examples/guestbook": {
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"frontend-deployment": &extensions.Deployment{},
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"redis-slave-deployment": &extensions.Deployment{},
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"redis-master-deployment": &extensions.Deployment{},
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"frontend-service": &api.Service{},
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"redis-master-service": &api.Service{},
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"redis-slave-service": &api.Service{},
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},
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"../examples/guestbook/legacy": {
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"frontend-controller": &api.ReplicationController{},
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"redis-slave-controller": &api.ReplicationController{},
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"redis-master-controller": &api.ReplicationController{},
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},
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"../examples/guestbook-go": {
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"guestbook-controller": &api.ReplicationController{},
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"redis-slave-controller": &api.ReplicationController{},
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"redis-master-controller": &api.ReplicationController{},
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"guestbook-service": &api.Service{},
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"redis-master-service": &api.Service{},
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"redis-slave-service": &api.Service{},
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},
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"../examples/volumes/iscsi": {
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"chap-secret": &api.Secret{},
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"iscsi": &api.Pod{},
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"iscsi-chap": &api.Pod{},
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},
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"../examples/volumes/glusterfs": {
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"glusterfs-pod": &api.Pod{},
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"glusterfs-endpoints": &api.Endpoints{},
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"glusterfs-service": &api.Service{},
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},
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"../examples": {
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"scheduler-policy-config": &schedulerapi.Policy{},
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"scheduler-policy-config-with-extender": &schedulerapi.Policy{},
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},
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"../examples/volumes/rbd/secret": {
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"ceph-secret": &api.Secret{},
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},
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"../examples/volumes/rbd": {
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"rbd": &api.Pod{},
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"rbd-with-secret": &api.Pod{},
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},
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"../examples/cluster-dns": {
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"dns-backend-rc": &api.ReplicationController{},
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"dns-backend-service": &api.Service{},
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"dns-frontend-pod": &api.Pod{},
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"namespace-dev": &api.Namespace{},
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"namespace-prod": &api.Namespace{},
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},
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"../examples/elasticsearch": {
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"es-rc": &api.ReplicationController{},
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"es-svc": &api.Service{},
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"service-account": nil,
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},
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"../examples/explorer": {
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"pod": &api.Pod{},
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},
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"../examples/storage/hazelcast": {
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"hazelcast-deployment": &extensions.Deployment{},
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"hazelcast-service": &api.Service{},
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},
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"../examples/meteor": {
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"meteor-controller": &api.ReplicationController{},
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"meteor-service": &api.Service{},
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"mongo-pod": &api.Pod{},
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"mongo-service": &api.Service{},
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},
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"../examples/mysql-wordpress-pd": {
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"gce-volumes": &api.PersistentVolume{},
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"local-volumes": &api.PersistentVolume{},
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"mysql-deployment": &api.Service{},
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"wordpress-deployment": &api.Service{},
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},
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"../examples/volumes/nfs": {
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"nfs-busybox-rc": &api.ReplicationController{},
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"nfs-server-rc": &api.ReplicationController{},
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"nfs-server-service": &api.Service{},
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"nfs-pv": &api.PersistentVolume{},
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"nfs-pvc": &api.PersistentVolumeClaim{},
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"nfs-web-rc": &api.ReplicationController{},
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"nfs-web-service": &api.Service{},
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},
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"../examples/openshift-origin": {
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"openshift-origin-namespace": &api.Namespace{},
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"openshift-controller": &extensions.Deployment{},
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"openshift-service": &api.Service{},
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"etcd-controller": &extensions.Deployment{},
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"etcd-service": &api.Service{},
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"etcd-discovery-controller": &extensions.Deployment{},
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"etcd-discovery-service": &api.Service{},
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"secret": nil,
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},
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"../examples/phabricator": {
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"phabricator-controller": &api.ReplicationController{},
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"phabricator-service": &api.Service{},
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},
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"../examples/storage/redis": {
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"redis-controller": &api.ReplicationController{},
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"redis-master": &api.Pod{},
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"redis-sentinel-controller": &api.ReplicationController{},
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"redis-sentinel-service": &api.Service{},
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},
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"../examples/storage/rethinkdb": {
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"admin-pod": &api.Pod{},
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"admin-service": &api.Service{},
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"driver-service": &api.Service{},
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"rc": &api.ReplicationController{},
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},
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"../examples/spark": {
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"namespace-spark-cluster": &api.Namespace{},
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"spark-master-controller": &api.ReplicationController{},
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"spark-master-service": &api.Service{},
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"spark-ui-proxy-controller": &api.ReplicationController{},
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"spark-ui-proxy-service": &api.Service{},
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"spark-worker-controller": &api.ReplicationController{},
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"zeppelin-controller": &api.ReplicationController{},
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"zeppelin-service": &api.Service{},
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},
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"../examples/spark/spark-gluster": {
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"spark-master-service": &api.Service{},
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"spark-master-controller": &api.ReplicationController{},
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"spark-worker-controller": &api.ReplicationController{},
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"glusterfs-endpoints": &api.Endpoints{},
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},
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"../examples/storm": {
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"storm-nimbus-service": &api.Service{},
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"storm-nimbus": &api.Pod{},
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"storm-worker-controller": &api.ReplicationController{},
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"zookeeper-service": &api.Service{},
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"zookeeper": &api.Pod{},
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},
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"../examples/volumes/cephfs/": {
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"cephfs": &api.Pod{},
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"cephfs-with-secret": &api.Pod{},
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},
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"../examples/volumes/fibre_channel": {
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"fc": &api.Pod{},
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},
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"../examples/javaweb-tomcat-sidecar": {
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"javaweb": &api.Pod{},
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"javaweb-2": &api.Pod{},
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},
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"../examples/volumes/azure_file": {
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"azure": &api.Pod{},
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},
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"../examples/volumes/azure_disk": {
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"azure": &api.Pod{},
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},
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}
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capabilities.SetForTests(capabilities.Capabilities{
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AllowPrivileged: true,
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})
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for path, expected := range cases {
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tested := 0
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err := walkJSONFiles(path, func(name, path string, data []byte) {
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expectedType, found := expected[name]
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if !found {
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t.Errorf("%s: %s does not have a test case defined", path, name)
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return
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}
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tested++
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if expectedType == nil {
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t.Logf("skipping : %s/%s\n", path, name)
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return
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}
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if strings.Contains(name, "scheduler-policy-config") {
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if err := runtime.DecodeInto(schedulerapilatest.Codec, data, expectedType); err != nil {
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t.Errorf("%s did not decode correctly: %v\n%s", path, err, string(data))
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return
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}
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if err := validateschedulerpolicy(expectedType); err != nil {
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t.Errorf("%s did not validate correctly: %v\n%s", path, err, string(data))
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return
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}
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} else {
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codec, err := testapi.GetCodecForObject(expectedType)
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if err != nil {
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t.Errorf("Could not get codec for %s: %s", expectedType, err)
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}
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if err := runtime.DecodeInto(codec, data, expectedType); err != nil {
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t.Errorf("%s did not decode correctly: %v\n%s", path, err, string(data))
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return
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}
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if errors := validateObject(expectedType); len(errors) > 0 {
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t.Errorf("%s did not validate correctly: %v", path, errors)
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}
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}
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})
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if err != nil {
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t.Errorf("Expected no error, Got %v", err)
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}
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if tested != len(expected) {
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t.Errorf("Directory %v: Expected %d examples, Got %d", path, len(expected), tested)
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}
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}
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}
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// This regex is tricky, but it works. For future me, here is the decode:
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//
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// Flags: (?ms) = multiline match, allow . to match \n
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// 1) Look for a line that starts with ``` (a markdown code block)
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// 2) (?: ... ) = non-capturing group
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// 3) (P<name>) = capture group as "name"
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// 4) Look for #1 followed by either:
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// 4a) "yaml" followed by any word-characters followed by a newline (e.g. ```yamlfoo\n)
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// 4b) "any word-characters followed by a newline (e.g. ```json\n)
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// 5) Look for either:
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// 5a) #4a followed by one or more characters (non-greedy)
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// 5b) #4b followed by { followed by one or more characters (non-greedy) followed by }
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// 6) Look for #5 followed by a newline followed by ``` (end of the code block)
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//
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// This could probably be simplified, but is already too delicate. Before any
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// real changes, we should have a testscase that just tests this regex.
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var sampleRegexp = regexp.MustCompile("(?ms)^```(?:(?P<type>yaml)\\w*\\n(?P<content>.+?)|\\w*\\n(?P<content>\\{.+?\\}))\\n^```")
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var subsetRegexp = regexp.MustCompile("(?ms)\\.{3}")
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func TestReadme(t *testing.T) {
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paths := []struct {
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file string
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expectedType []runtime.Object
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}{
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{"../README.md", []runtime.Object{&api.Pod{}}},
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{"../examples/volumes/iscsi/README.md", []runtime.Object{&api.Secret{}}},
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}
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for _, path := range paths {
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data, err := ioutil.ReadFile(path.file)
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if err != nil {
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t.Errorf("Unable to read file %s: %v", path, err)
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continue
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}
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matches := sampleRegexp.FindAllStringSubmatch(string(data), -1)
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if matches == nil {
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continue
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}
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ix := 0
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for _, match := range matches {
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var content, subtype string
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for i, name := range sampleRegexp.SubexpNames() {
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if name == "type" {
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subtype = match[i]
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}
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if name == "content" && match[i] != "" {
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content = match[i]
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}
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}
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if subtype == "yaml" && subsetRegexp.FindString(content) != "" {
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t.Logf("skipping (%s): \n%s", subtype, content)
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continue
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}
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var expectedType runtime.Object
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if len(path.expectedType) == 1 {
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expectedType = path.expectedType[0]
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} else {
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expectedType = path.expectedType[ix]
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ix++
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}
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json, err := yaml.ToJSON([]byte(content))
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if err != nil {
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t.Errorf("%s could not be converted to JSON: %v\n%s", path, err, string(content))
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}
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if err := runtime.DecodeInto(testapi.Default.Codec(), json, expectedType); err != nil {
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t.Errorf("%s did not decode correctly: %v\n%s", path, err, string(content))
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continue
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}
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if errors := validateObject(expectedType); len(errors) > 0 {
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t.Errorf("%s did not validate correctly: %v", path, errors)
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}
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_, err = runtime.Encode(testapi.Default.Codec(), expectedType)
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if err != nil {
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t.Errorf("Could not encode object: %v", err)
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continue
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}
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}
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}
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}
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