mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-23 19:56:01 +00:00
Remove Generators from Factory
This commit is contained in:
Maciej Szulik
David Eads
parent
be43b7cc9d
commit
7495ab5229
@ -188,7 +188,7 @@ func (o *ExposeServiceOptions) Complete(f cmdutil.Factory, cmd *cobra.Command) e
|
||||
return err
|
||||
}
|
||||
|
||||
o.Generators = f.Generators
|
||||
o.Generators = cmdutil.GeneratorFn
|
||||
o.Builder = f.NewBuilder()
|
||||
o.CanBeExposed = polymorphichelpers.CanBeExposedFn
|
||||
o.ClientForMapping = f.ClientForMapping
|
||||
|
||||
@ -321,7 +321,7 @@ func (o *RunOptions) Run(f cmdutil.Factory, cmd *cobra.Command, args []string) e
|
||||
}
|
||||
}
|
||||
|
||||
generators := f.Generators("run")
|
||||
generators := cmdutil.GeneratorFn("run")
|
||||
generator, found := generators[generatorName]
|
||||
if !found {
|
||||
return cmdutil.UsageErrorf(cmd, "generator %q not found", generatorName)
|
||||
@ -573,7 +573,7 @@ func verifyImagePullPolicy(cmd *cobra.Command) error {
|
||||
}
|
||||
|
||||
func (o *RunOptions) generateService(f cmdutil.Factory, cmd *cobra.Command, serviceGenerator string, paramsIn map[string]interface{}, namespace string) (*RunObject, error) {
|
||||
generators := f.Generators("expose")
|
||||
generators := cmdutil.GeneratorFn("expose")
|
||||
generator, found := generators[serviceGenerator]
|
||||
if !found {
|
||||
return nil, fmt.Errorf("missing service generator: %s", serviceGenerator)
|
||||
|
||||
@ -6,6 +6,7 @@ go_library(
|
||||
"conversion.go",
|
||||
"factory.go",
|
||||
"factory_client_access.go",
|
||||
"generator.go",
|
||||
"helpers.go",
|
||||
"kubectl_match_version.go",
|
||||
"printing.go",
|
||||
|
||||
@ -28,7 +28,6 @@ import (
|
||||
scaleclient "k8s.io/client-go/scale"
|
||||
api "k8s.io/kubernetes/pkg/apis/core"
|
||||
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
|
||||
"k8s.io/kubernetes/pkg/kubectl"
|
||||
"k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi"
|
||||
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
|
||||
"k8s.io/kubernetes/pkg/kubectl/genericclioptions/resource"
|
||||
@ -68,8 +67,6 @@ type Factory interface {
|
||||
// other namespace is specified and whether the namespace was
|
||||
// overridden.
|
||||
DefaultNamespace() (string, bool, error)
|
||||
// Generators returns the generators for the provided command
|
||||
Generators(cmdName string) map[string]kubectl.Generator
|
||||
|
||||
// Returns a RESTClient for working with the specified RESTMapping or an error. This is intended
|
||||
// for working with arbitrary resources and is not guaranteed to point to a Kubernetes APIServer.
|
||||
|
||||
@ -19,22 +19,11 @@ limitations under the License.
|
||||
package util
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"sync"
|
||||
|
||||
appsv1 "k8s.io/api/apps/v1"
|
||||
appsv1beta1 "k8s.io/api/apps/v1beta1"
|
||||
batchv1 "k8s.io/api/batch/v1"
|
||||
batchv1beta1 "k8s.io/api/batch/v1beta1"
|
||||
batchv2alpha1 "k8s.io/api/batch/v2alpha1"
|
||||
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
|
||||
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
||||
"k8s.io/apimachinery/pkg/api/meta"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
"k8s.io/client-go/discovery"
|
||||
"k8s.io/client-go/dynamic"
|
||||
"k8s.io/client-go/kubernetes"
|
||||
@ -44,7 +33,6 @@ import (
|
||||
"k8s.io/kubernetes/pkg/api/legacyscheme"
|
||||
api "k8s.io/kubernetes/pkg/apis/core"
|
||||
"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
|
||||
"k8s.io/kubernetes/pkg/kubectl"
|
||||
"k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi"
|
||||
openapivalidation "k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi/validation"
|
||||
"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
|
||||
@ -223,216 +211,6 @@ func (f *factoryImpl) ScaleClient() (scaleclient.ScalesGetter, error) {
|
||||
return scaleclient.New(restClient, mapper, dynamic.LegacyAPIPathResolverFunc, resolver), nil
|
||||
}
|
||||
|
||||
const (
|
||||
// TODO(sig-cli): Enforce consistent naming for generators here.
|
||||
// See discussion in https://github.com/kubernetes/kubernetes/issues/46237
|
||||
// before you add any more.
|
||||
RunV1GeneratorName = "run/v1"
|
||||
RunPodV1GeneratorName = "run-pod/v1"
|
||||
ServiceV1GeneratorName = "service/v1"
|
||||
ServiceV2GeneratorName = "service/v2"
|
||||
ServiceNodePortGeneratorV1Name = "service-nodeport/v1"
|
||||
ServiceClusterIPGeneratorV1Name = "service-clusterip/v1"
|
||||
ServiceLoadBalancerGeneratorV1Name = "service-loadbalancer/v1"
|
||||
ServiceExternalNameGeneratorV1Name = "service-externalname/v1"
|
||||
ServiceAccountV1GeneratorName = "serviceaccount/v1"
|
||||
HorizontalPodAutoscalerV1GeneratorName = "horizontalpodautoscaler/v1"
|
||||
DeploymentV1Beta1GeneratorName = "deployment/v1beta1"
|
||||
DeploymentAppsV1Beta1GeneratorName = "deployment/apps.v1beta1"
|
||||
DeploymentBasicV1Beta1GeneratorName = "deployment-basic/v1beta1"
|
||||
DeploymentBasicAppsV1Beta1GeneratorName = "deployment-basic/apps.v1beta1"
|
||||
DeploymentBasicAppsV1GeneratorName = "deployment-basic/apps.v1"
|
||||
JobV1GeneratorName = "job/v1"
|
||||
CronJobV2Alpha1GeneratorName = "cronjob/v2alpha1"
|
||||
CronJobV1Beta1GeneratorName = "cronjob/v1beta1"
|
||||
NamespaceV1GeneratorName = "namespace/v1"
|
||||
ResourceQuotaV1GeneratorName = "resourcequotas/v1"
|
||||
SecretV1GeneratorName = "secret/v1"
|
||||
SecretForDockerRegistryV1GeneratorName = "secret-for-docker-registry/v1"
|
||||
SecretForTLSV1GeneratorName = "secret-for-tls/v1"
|
||||
ConfigMapV1GeneratorName = "configmap/v1"
|
||||
ClusterRoleBindingV1GeneratorName = "clusterrolebinding.rbac.authorization.k8s.io/v1alpha1"
|
||||
RoleBindingV1GeneratorName = "rolebinding.rbac.authorization.k8s.io/v1alpha1"
|
||||
ClusterV1Beta1GeneratorName = "cluster/v1beta1"
|
||||
PodDisruptionBudgetV1GeneratorName = "poddisruptionbudget/v1beta1"
|
||||
PodDisruptionBudgetV2GeneratorName = "poddisruptionbudget/v1beta1/v2"
|
||||
PriorityClassV1Alpha1GeneratorName = "priorityclass/v1alpha1"
|
||||
)
|
||||
|
||||
// DefaultGenerators returns the set of default generators for use in Factory instances
|
||||
func DefaultGenerators(cmdName string) map[string]kubectl.Generator {
|
||||
var generator map[string]kubectl.Generator
|
||||
switch cmdName {
|
||||
case "expose":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceV1GeneratorName: kubectl.ServiceGeneratorV1{},
|
||||
ServiceV2GeneratorName: kubectl.ServiceGeneratorV2{},
|
||||
}
|
||||
case "service-clusterip":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceClusterIPGeneratorV1Name: kubectl.ServiceClusterIPGeneratorV1{},
|
||||
}
|
||||
case "service-nodeport":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceNodePortGeneratorV1Name: kubectl.ServiceNodePortGeneratorV1{},
|
||||
}
|
||||
case "service-loadbalancer":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceLoadBalancerGeneratorV1Name: kubectl.ServiceLoadBalancerGeneratorV1{},
|
||||
}
|
||||
case "deployment":
|
||||
// Create Deployment has only StructuredGenerators and no
|
||||
// param-based Generators.
|
||||
// The StructuredGenerators are as follows (as of 2018-03-16):
|
||||
// DeploymentBasicV1Beta1GeneratorName -> kubectl.DeploymentBasicGeneratorV1
|
||||
// DeploymentBasicAppsV1Beta1GeneratorName -> kubectl.DeploymentBasicAppsGeneratorV1Beta1
|
||||
// DeploymentBasicAppsV1GeneratorName -> kubectl.DeploymentBasicAppsGeneratorV1
|
||||
generator = map[string]kubectl.Generator{}
|
||||
case "run":
|
||||
generator = map[string]kubectl.Generator{
|
||||
RunV1GeneratorName: kubectl.BasicReplicationController{},
|
||||
RunPodV1GeneratorName: kubectl.BasicPod{},
|
||||
DeploymentV1Beta1GeneratorName: kubectl.DeploymentV1Beta1{},
|
||||
DeploymentAppsV1Beta1GeneratorName: kubectl.DeploymentAppsV1Beta1{},
|
||||
JobV1GeneratorName: kubectl.JobV1{},
|
||||
CronJobV2Alpha1GeneratorName: kubectl.CronJobV2Alpha1{},
|
||||
CronJobV1Beta1GeneratorName: kubectl.CronJobV1Beta1{},
|
||||
}
|
||||
case "namespace":
|
||||
generator = map[string]kubectl.Generator{
|
||||
NamespaceV1GeneratorName: kubectl.NamespaceGeneratorV1{},
|
||||
}
|
||||
case "quota":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ResourceQuotaV1GeneratorName: kubectl.ResourceQuotaGeneratorV1{},
|
||||
}
|
||||
case "secret":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretV1GeneratorName: kubectl.SecretGeneratorV1{},
|
||||
}
|
||||
case "secret-for-docker-registry":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretForDockerRegistryV1GeneratorName: kubectl.SecretForDockerRegistryGeneratorV1{},
|
||||
}
|
||||
case "secret-for-tls":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretForTLSV1GeneratorName: kubectl.SecretForTLSGeneratorV1{},
|
||||
}
|
||||
}
|
||||
|
||||
return generator
|
||||
}
|
||||
|
||||
// fallbackGeneratorNameIfNecessary returns the name of the old generator
|
||||
// if server does not support new generator. Otherwise, the
|
||||
// generator string is returned unchanged.
|
||||
//
|
||||
// If the generator name is changed, print a warning message to let the user
|
||||
// know.
|
||||
func FallbackGeneratorNameIfNecessary(
|
||||
generatorName string,
|
||||
discoveryClient discovery.DiscoveryInterface,
|
||||
cmdErr io.Writer,
|
||||
) (string, error) {
|
||||
switch generatorName {
|
||||
case DeploymentAppsV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(DeploymentV1Beta1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case DeploymentV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, extensionsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return RunV1GeneratorName, nil
|
||||
}
|
||||
case DeploymentBasicAppsV1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(DeploymentBasicAppsV1Beta1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case DeploymentBasicAppsV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return DeploymentBasicV1Beta1GeneratorName, nil
|
||||
}
|
||||
case JobV1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv1.SchemeGroupVersion.WithResource("jobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return RunPodV1GeneratorName, nil
|
||||
}
|
||||
case CronJobV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv1beta1.SchemeGroupVersion.WithResource("cronjobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(CronJobV2Alpha1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case CronJobV2Alpha1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv2alpha1.SchemeGroupVersion.WithResource("cronjobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return JobV1GeneratorName, nil
|
||||
}
|
||||
}
|
||||
return generatorName, nil
|
||||
}
|
||||
|
||||
func Warning(cmdErr io.Writer, newGeneratorName, oldGeneratorName string) {
|
||||
fmt.Fprintf(cmdErr, "WARNING: New generator %q specified, "+
|
||||
"but it isn't available. "+
|
||||
"Falling back to %q.\n",
|
||||
newGeneratorName,
|
||||
oldGeneratorName,
|
||||
)
|
||||
}
|
||||
|
||||
func HasResource(client discovery.DiscoveryInterface, resource schema.GroupVersionResource) (bool, error) {
|
||||
resources, err := client.ServerResourcesForGroupVersion(resource.GroupVersion().String())
|
||||
if apierrors.IsNotFound(err) {
|
||||
// entire group is missing
|
||||
return false, nil
|
||||
}
|
||||
if err != nil {
|
||||
// other errors error
|
||||
return false, fmt.Errorf("failed to discover supported resources: %v", err)
|
||||
}
|
||||
for _, serverResource := range resources.APIResources {
|
||||
if serverResource.Name == resource.Resource {
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
func Contains(resourcesList []*metav1.APIResourceList, resource schema.GroupVersionResource) bool {
|
||||
resources := discovery.FilteredBy(discovery.ResourcePredicateFunc(func(gv string, r *metav1.APIResource) bool {
|
||||
return resource.GroupVersion().String() == gv && resource.Resource == r.Name
|
||||
}), resourcesList)
|
||||
return len(resources) != 0
|
||||
}
|
||||
|
||||
func (f *factoryImpl) Generators(cmdName string) map[string]kubectl.Generator {
|
||||
return DefaultGenerators(cmdName)
|
||||
}
|
||||
|
||||
// this method exists to help us find the points still relying on internal types.
|
||||
func InternalVersionDecoder() runtime.Decoder {
|
||||
return legacyscheme.Codecs.UniversalDecoder()
|
||||
|
||||
238
pkg/kubectl/cmd/util/generator.go
Normal file
238
pkg/kubectl/cmd/util/generator.go
Normal file
@ -0,0 +1,238 @@
|
||||
/*
|
||||
Copyright 2018 The Kubernetes Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package util
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
|
||||
appsv1 "k8s.io/api/apps/v1"
|
||||
appsv1beta1 "k8s.io/api/apps/v1beta1"
|
||||
batchv1 "k8s.io/api/batch/v1"
|
||||
batchv1beta1 "k8s.io/api/batch/v1beta1"
|
||||
batchv2alpha1 "k8s.io/api/batch/v2alpha1"
|
||||
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
|
||||
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
"k8s.io/client-go/discovery"
|
||||
"k8s.io/kubernetes/pkg/kubectl"
|
||||
)
|
||||
|
||||
const (
|
||||
// TODO(sig-cli): Enforce consistent naming for generators here.
|
||||
// See discussion in https://github.com/kubernetes/kubernetes/issues/46237
|
||||
// before you add any more.
|
||||
RunV1GeneratorName = "run/v1"
|
||||
RunPodV1GeneratorName = "run-pod/v1"
|
||||
ServiceV1GeneratorName = "service/v1"
|
||||
ServiceV2GeneratorName = "service/v2"
|
||||
ServiceNodePortGeneratorV1Name = "service-nodeport/v1"
|
||||
ServiceClusterIPGeneratorV1Name = "service-clusterip/v1"
|
||||
ServiceLoadBalancerGeneratorV1Name = "service-loadbalancer/v1"
|
||||
ServiceExternalNameGeneratorV1Name = "service-externalname/v1"
|
||||
ServiceAccountV1GeneratorName = "serviceaccount/v1"
|
||||
HorizontalPodAutoscalerV1GeneratorName = "horizontalpodautoscaler/v1"
|
||||
DeploymentV1Beta1GeneratorName = "deployment/v1beta1"
|
||||
DeploymentAppsV1Beta1GeneratorName = "deployment/apps.v1beta1"
|
||||
DeploymentBasicV1Beta1GeneratorName = "deployment-basic/v1beta1"
|
||||
DeploymentBasicAppsV1Beta1GeneratorName = "deployment-basic/apps.v1beta1"
|
||||
DeploymentBasicAppsV1GeneratorName = "deployment-basic/apps.v1"
|
||||
JobV1GeneratorName = "job/v1"
|
||||
CronJobV2Alpha1GeneratorName = "cronjob/v2alpha1"
|
||||
CronJobV1Beta1GeneratorName = "cronjob/v1beta1"
|
||||
NamespaceV1GeneratorName = "namespace/v1"
|
||||
ResourceQuotaV1GeneratorName = "resourcequotas/v1"
|
||||
SecretV1GeneratorName = "secret/v1"
|
||||
SecretForDockerRegistryV1GeneratorName = "secret-for-docker-registry/v1"
|
||||
SecretForTLSV1GeneratorName = "secret-for-tls/v1"
|
||||
ConfigMapV1GeneratorName = "configmap/v1"
|
||||
ClusterRoleBindingV1GeneratorName = "clusterrolebinding.rbac.authorization.k8s.io/v1alpha1"
|
||||
RoleBindingV1GeneratorName = "rolebinding.rbac.authorization.k8s.io/v1alpha1"
|
||||
ClusterV1Beta1GeneratorName = "cluster/v1beta1"
|
||||
PodDisruptionBudgetV1GeneratorName = "poddisruptionbudget/v1beta1"
|
||||
PodDisruptionBudgetV2GeneratorName = "poddisruptionbudget/v1beta1/v2"
|
||||
PriorityClassV1Alpha1GeneratorName = "priorityclass/v1alpha1"
|
||||
)
|
||||
|
||||
// GeneratorFunc returns the generators for the provided command
|
||||
type GeneratorFunc func(cmdName string) map[string]kubectl.Generator
|
||||
|
||||
// GeneratorFn gives a way to easily override the function for unit testing if needed
|
||||
var GeneratorFn GeneratorFunc = defaultGenerators
|
||||
|
||||
// defaultGenerators returns the set of default generators for use in Factory instances
|
||||
func defaultGenerators(cmdName string) map[string]kubectl.Generator {
|
||||
var generator map[string]kubectl.Generator
|
||||
switch cmdName {
|
||||
case "expose":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceV1GeneratorName: kubectl.ServiceGeneratorV1{},
|
||||
ServiceV2GeneratorName: kubectl.ServiceGeneratorV2{},
|
||||
}
|
||||
case "service-clusterip":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceClusterIPGeneratorV1Name: kubectl.ServiceClusterIPGeneratorV1{},
|
||||
}
|
||||
case "service-nodeport":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceNodePortGeneratorV1Name: kubectl.ServiceNodePortGeneratorV1{},
|
||||
}
|
||||
case "service-loadbalancer":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ServiceLoadBalancerGeneratorV1Name: kubectl.ServiceLoadBalancerGeneratorV1{},
|
||||
}
|
||||
case "deployment":
|
||||
// Create Deployment has only StructuredGenerators and no
|
||||
// param-based Generators.
|
||||
// The StructuredGenerators are as follows (as of 2018-03-16):
|
||||
// DeploymentBasicV1Beta1GeneratorName -> kubectl.DeploymentBasicGeneratorV1
|
||||
// DeploymentBasicAppsV1Beta1GeneratorName -> kubectl.DeploymentBasicAppsGeneratorV1Beta1
|
||||
// DeploymentBasicAppsV1GeneratorName -> kubectl.DeploymentBasicAppsGeneratorV1
|
||||
generator = map[string]kubectl.Generator{}
|
||||
case "run":
|
||||
generator = map[string]kubectl.Generator{
|
||||
RunV1GeneratorName: kubectl.BasicReplicationController{},
|
||||
RunPodV1GeneratorName: kubectl.BasicPod{},
|
||||
DeploymentV1Beta1GeneratorName: kubectl.DeploymentV1Beta1{},
|
||||
DeploymentAppsV1Beta1GeneratorName: kubectl.DeploymentAppsV1Beta1{},
|
||||
JobV1GeneratorName: kubectl.JobV1{},
|
||||
CronJobV2Alpha1GeneratorName: kubectl.CronJobV2Alpha1{},
|
||||
CronJobV1Beta1GeneratorName: kubectl.CronJobV1Beta1{},
|
||||
}
|
||||
case "namespace":
|
||||
generator = map[string]kubectl.Generator{
|
||||
NamespaceV1GeneratorName: kubectl.NamespaceGeneratorV1{},
|
||||
}
|
||||
case "quota":
|
||||
generator = map[string]kubectl.Generator{
|
||||
ResourceQuotaV1GeneratorName: kubectl.ResourceQuotaGeneratorV1{},
|
||||
}
|
||||
case "secret":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretV1GeneratorName: kubectl.SecretGeneratorV1{},
|
||||
}
|
||||
case "secret-for-docker-registry":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretForDockerRegistryV1GeneratorName: kubectl.SecretForDockerRegistryGeneratorV1{},
|
||||
}
|
||||
case "secret-for-tls":
|
||||
generator = map[string]kubectl.Generator{
|
||||
SecretForTLSV1GeneratorName: kubectl.SecretForTLSGeneratorV1{},
|
||||
}
|
||||
}
|
||||
|
||||
return generator
|
||||
}
|
||||
|
||||
// FallbackGeneratorNameIfNecessary returns the name of the old generator
|
||||
// if server does not support new generator. Otherwise, the
|
||||
// generator string is returned unchanged.
|
||||
//
|
||||
// If the generator name is changed, print a warning message to let the user
|
||||
// know.
|
||||
func FallbackGeneratorNameIfNecessary(
|
||||
generatorName string,
|
||||
discoveryClient discovery.DiscoveryInterface,
|
||||
cmdErr io.Writer,
|
||||
) (string, error) {
|
||||
switch generatorName {
|
||||
case DeploymentAppsV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(DeploymentV1Beta1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case DeploymentV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, extensionsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return RunV1GeneratorName, nil
|
||||
}
|
||||
case DeploymentBasicAppsV1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(DeploymentBasicAppsV1Beta1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case DeploymentBasicAppsV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, appsv1beta1.SchemeGroupVersion.WithResource("deployments"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return DeploymentBasicV1Beta1GeneratorName, nil
|
||||
}
|
||||
case JobV1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv1.SchemeGroupVersion.WithResource("jobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return RunPodV1GeneratorName, nil
|
||||
}
|
||||
case CronJobV1Beta1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv1beta1.SchemeGroupVersion.WithResource("cronjobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return FallbackGeneratorNameIfNecessary(CronJobV2Alpha1GeneratorName, discoveryClient, cmdErr)
|
||||
}
|
||||
case CronJobV2Alpha1GeneratorName:
|
||||
hasResource, err := HasResource(discoveryClient, batchv2alpha1.SchemeGroupVersion.WithResource("cronjobs"))
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
if !hasResource {
|
||||
return JobV1GeneratorName, nil
|
||||
}
|
||||
}
|
||||
return generatorName, nil
|
||||
}
|
||||
|
||||
func HasResource(client discovery.DiscoveryInterface, resource schema.GroupVersionResource) (bool, error) {
|
||||
resources, err := client.ServerResourcesForGroupVersion(resource.GroupVersion().String())
|
||||
if apierrors.IsNotFound(err) {
|
||||
// entire group is missing
|
||||
return false, nil
|
||||
}
|
||||
if err != nil {
|
||||
// other errors error
|
||||
return false, fmt.Errorf("failed to discover supported resources: %v", err)
|
||||
}
|
||||
for _, serverResource := range resources.APIResources {
|
||||
if serverResource.Name == resource.Resource {
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
|
||||
func Warning(cmdErr io.Writer, newGeneratorName, oldGeneratorName string) {
|
||||
fmt.Fprintf(cmdErr, "WARNING: New generator %q specified, "+
|
||||
"but it isn't available. "+
|
||||
"Falling back to %q.\n",
|
||||
newGeneratorName,
|
||||
oldGeneratorName,
|
||||
)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user