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remove todo(#42787)Add fallback for cronjobs, and move some useful function to cmdutil

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This commit is contained in:
zhengjiajin
2017-09-04 18:41:19 +08:00
parent 156c4b443b
commit 44f8bb1171
5 changed files with 54 additions and 56 deletions
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25
pkg/kubectl/cmd/run.go
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@@ -25,15 +25,12 @@ import (
batchv1 "k8s.io/api/batch/v1"
batchv1beta1 "k8s.io/api/batch/v1beta1"
batchv2alpha1 "k8s.io/api/batch/v2alpha1"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/discovery"
"k8s.io/kubernetes/pkg/api"
coreclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/core/internalversion"
conditions "k8s.io/kubernetes/pkg/client/unversioned"
@@ -226,7 +223,7 @@ func RunRun(f cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *c
generatorName := cmdutil.GetFlagString(cmd, "generator")
schedule := cmdutil.GetFlagString(cmd, "schedule")
if len(schedule) != 0 && len(generatorName) == 0 {
if contains(resourcesList, batchv1beta1.SchemeGroupVersion.WithResource("cronjobs")) {
if cmdutil.Contains(resourcesList, batchv1beta1.SchemeGroupVersion.WithResource("cronjobs")) {
generatorName = cmdutil.CronJobV1Beta1GeneratorName
} else {
generatorName = cmdutil.CronJobV2Alpha1GeneratorName
@@ -237,13 +234,13 @@ func RunRun(f cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *c
case api.RestartPolicyAlways:
// TODO: we need to deprecate this along with extensions/v1beta1.Deployments
// in favor of the new generator for apps/v1beta1.Deployments
if contains(resourcesList, extensionsv1beta1.SchemeGroupVersion.WithResource("deployments")) {
if cmdutil.Contains(resourcesList, extensionsv1beta1.SchemeGroupVersion.WithResource("deployments")) {
generatorName = cmdutil.DeploymentV1Beta1GeneratorName
} else {
generatorName = cmdutil.RunV1GeneratorName
}
case api.RestartPolicyOnFailure:
if contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) {
if cmdutil.Contains(resourcesList, batchv1.SchemeGroupVersion.WithResource("jobs")) {
generatorName = cmdutil.JobV1GeneratorName
} else {
generatorName = cmdutil.RunPodV1GeneratorName
@@ -253,13 +250,7 @@ func RunRun(f cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *c
}
}
// TODO: this should be removed alongside with extensions/v1beta1 depployments generator
generatorName = fallbackGeneratorNameIfNecessary(generatorName, resourcesList, cmdErr)
if generatorName == cmdutil.CronJobV2Alpha1GeneratorName &&
!contains(resourcesList, batchv2alpha1.SchemeGroupVersion.WithResource("cronjobs")) {
return fmt.Errorf("CronJob generator specified, but batch/v2alpha1.CronJobs are not available")
}
generatorName = cmdutil.FallbackGeneratorNameIfNecessary(generatorName, resourcesList, cmdErr)
generators := f.Generators("run")
generator, found := generators[generatorName]
@@ -407,14 +398,6 @@ func RunRun(f cmdutil.Factory, cmdIn io.Reader, cmdOut, cmdErr io.Writer, cmd *c
return nil
}
// TODO turn this into reusable method checking available resources
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
}
// waitForPod watches the given pod until the exitCondition is true
func waitForPod(podClient coreclient.PodsGetter, ns, name string, exitCondition watch.ConditionFunc) (*api.Pod, error) {
w, err := podClient.Pods(ns).Watch(metav1.SingleObject(metav1.ObjectMeta{Name: name}))