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factory_object_mapping.go
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factory_object_mapping.go
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package clientcmd
import (
"errors"
"fmt"
"sort"
"time"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
restclient "k8s.io/client-go/rest"
kapi "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/kubectl"
"k8s.io/kubernetes/pkg/kubectl/categories"
kcmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi"
"k8s.io/kubernetes/pkg/kubectl/resource"
"k8s.io/kubernetes/pkg/kubectl/validation"
kprinters "k8s.io/kubernetes/pkg/printers"
"github.com/openshift/origin/pkg/api/latest"
appsapi "github.com/openshift/origin/pkg/apps/apis/apps"
appsmanualclient "github.com/openshift/origin/pkg/apps/client/internalversion"
appsclient "github.com/openshift/origin/pkg/apps/generated/internalclientset"
appsclientinternal "github.com/openshift/origin/pkg/apps/generated/internalclientset"
appsutil "github.com/openshift/origin/pkg/apps/util"
buildapi "github.com/openshift/origin/pkg/build/apis/build"
buildmanualclient "github.com/openshift/origin/pkg/build/client/internalversion"
buildclientinternal "github.com/openshift/origin/pkg/build/generated/internalclientset"
buildutil "github.com/openshift/origin/pkg/build/util"
imageapi "github.com/openshift/origin/pkg/image/apis/image"
deploymentcmd "github.com/openshift/origin/pkg/oc/cli/deploymentconfigs"
"github.com/openshift/origin/pkg/oc/cli/describe"
)
type ring1Factory struct {
clientAccessFactory kcmdutil.ClientAccessFactory
kubeObjectMappingFactory kcmdutil.ObjectMappingFactory
}
func NewObjectMappingFactory(clientAccessFactory kcmdutil.ClientAccessFactory) kcmdutil.ObjectMappingFactory {
return &ring1Factory{
clientAccessFactory: clientAccessFactory,
kubeObjectMappingFactory: kcmdutil.NewObjectMappingFactory(clientAccessFactory),
}
}
func (f *ring1Factory) Object() (meta.RESTMapper, runtime.ObjectTyper) {
return f.kubeObjectMappingFactory.Object()
}
func (f *ring1Factory) CategoryExpander() categories.CategoryExpander {
return f.kubeObjectMappingFactory.CategoryExpander()
}
func (f *ring1Factory) ClientForMapping(mapping *meta.RESTMapping) (resource.RESTClient, error) {
return f.kubeObjectMappingFactory.ClientForMapping(mapping)
}
func (f *ring1Factory) UnstructuredClientForMapping(mapping *meta.RESTMapping) (resource.RESTClient, error) {
return f.kubeObjectMappingFactory.UnstructuredClientForMapping(mapping)
}
func (f *ring1Factory) Describer(mapping *meta.RESTMapping) (kprinters.Describer, error) {
// TODO we need to refactor the describer logic to handle misses or run serverside.
// for now we can special case our "sometimes origin, sometimes kube" resource
// I think it is correct for more code if this is NOT considered an origin type since
// it wasn't an origin type pre 3.6.
isSCC := mapping.GroupVersionKind.Kind == "SecurityContextConstraints"
if latest.OriginKind(mapping.GroupVersionKind) || isSCC {
kClient, err := f.clientAccessFactory.ClientSet()
if err != nil {
return nil, fmt.Errorf("unable to create client %s: %v", mapping.GroupVersionKind.Kind, err)
}
clientConfig, err := f.clientAccessFactory.ClientConfig()
if err != nil {
return nil, fmt.Errorf("unable to create client config %s: %v", mapping.GroupVersionKind.Kind, err)
}
describer, ok := describe.DescriberFor(mapping.GroupVersionKind.GroupKind(), clientConfig, kClient, clientConfig.Host)
if !ok {
return nil, fmt.Errorf("no description has been implemented for %q", mapping.GroupVersionKind.Kind)
}
return describer, nil
}
return f.kubeObjectMappingFactory.Describer(mapping)
}
func (f *ring1Factory) LogsForObject(object, options runtime.Object, timeout time.Duration) (*restclient.Request, error) {
clientConfig, err := f.clientAccessFactory.ClientConfig()
if err != nil {
return nil, err
}
switch t := object.(type) {
case *appsapi.DeploymentConfig:
dopts, ok := options.(*appsapi.DeploymentLogOptions)
if !ok {
return nil, errors.New("provided options object is not a DeploymentLogOptions")
}
appsClient, err := appsclientinternal.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
return appsmanualclient.NewRolloutLogClient(appsClient.Apps().RESTClient(), t.Namespace).Logs(t.Name, *dopts), nil
case *buildapi.Build:
bopts, ok := options.(*buildapi.BuildLogOptions)
if !ok {
return nil, errors.New("provided options object is not a BuildLogOptions")
}
if bopts.Version != nil {
return nil, errors.New("cannot specify a version and a build")
}
buildClient, err := buildclientinternal.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
return buildmanualclient.NewBuildLogClient(buildClient.Build().RESTClient(), t.Namespace).Logs(t.Name, *bopts), nil
case *buildapi.BuildConfig:
bopts, ok := options.(*buildapi.BuildLogOptions)
if !ok {
return nil, errors.New("provided options object is not a BuildLogOptions")
}
buildClient, err := buildclientinternal.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
logClient := buildmanualclient.NewBuildLogClient(buildClient.Build().RESTClient(), t.Namespace)
builds, err := buildClient.Build().Builds(t.Namespace).List(metav1.ListOptions{})
if err != nil {
return nil, err
}
builds.Items = buildapi.FilterBuilds(builds.Items, buildapi.ByBuildConfigPredicate(t.Name))
if len(builds.Items) == 0 {
return nil, fmt.Errorf("no builds found for %q", t.Name)
}
if bopts.Version != nil {
// If a version has been specified, try to get the logs from that build.
desired := buildutil.BuildNameForConfigVersion(t.Name, int(*bopts.Version))
return logClient.Logs(desired, *bopts), nil
}
sort.Sort(sort.Reverse(buildapi.BuildSliceByCreationTimestamp(builds.Items)))
return logClient.Logs(builds.Items[0].Name, *bopts), nil
default:
return f.kubeObjectMappingFactory.LogsForObject(object, options, timeout)
}
}
func (f *ring1Factory) HistoryViewer(mapping *meta.RESTMapping) (kubectl.HistoryViewer, error) {
if appsapi.Kind("DeploymentConfig") == mapping.GroupVersionKind.GroupKind() {
kc, err := f.clientAccessFactory.ClientSet()
if err != nil {
return nil, err
}
return deploymentcmd.NewDeploymentConfigHistoryViewer(kc), nil
}
return f.kubeObjectMappingFactory.HistoryViewer(mapping)
}
func (f *ring1Factory) Rollbacker(mapping *meta.RESTMapping) (kubectl.Rollbacker, error) {
if appsapi.Kind("DeploymentConfig") == mapping.GroupVersionKind.GroupKind() {
config, err := f.clientAccessFactory.ClientConfig()
if err != nil {
return nil, err
}
return deploymentcmd.NewDeploymentConfigRollbacker(appsclient.NewForConfigOrDie(config)), nil
}
return f.kubeObjectMappingFactory.Rollbacker(mapping)
}
func (f *ring1Factory) StatusViewer(mapping *meta.RESTMapping) (kubectl.StatusViewer, error) {
config, err := f.clientAccessFactory.ClientConfig()
if err != nil {
return nil, err
}
if appsapi.Kind("DeploymentConfig") == mapping.GroupVersionKind.GroupKind() {
return deploymentcmd.NewDeploymentConfigStatusViewer(appsclient.NewForConfigOrDie(config)), nil
}
return f.kubeObjectMappingFactory.StatusViewer(mapping)
}
// ApproximatePodTemplateForObject returns a pod template object for the provided source.
// It may return both an error and a object. It attempt to return the best possible template
// available at the current time.
func (f *ring1Factory) ApproximatePodTemplateForObject(object runtime.Object) (*kapi.PodTemplateSpec, error) {
switch t := object.(type) {
case *imageapi.ImageStreamTag:
// create a minimal pod spec that uses the image referenced by the istag without any introspection
// it possible that we could someday do a better job introspecting it
return &kapi.PodTemplateSpec{
Spec: kapi.PodSpec{
RestartPolicy: kapi.RestartPolicyNever,
Containers: []kapi.Container{
{Name: "container-00", Image: t.Image.DockerImageReference},
},
},
}, nil
case *imageapi.ImageStreamImage:
// create a minimal pod spec that uses the image referenced by the istag without any introspection
// it possible that we could someday do a better job introspecting it
return &kapi.PodTemplateSpec{
Spec: kapi.PodSpec{
RestartPolicy: kapi.RestartPolicyNever,
Containers: []kapi.Container{
{Name: "container-00", Image: t.Image.DockerImageReference},
},
},
}, nil
case *appsapi.DeploymentConfig:
fallback := t.Spec.Template
kc, err := f.clientAccessFactory.ClientSet()
if err != nil {
return fallback, err
}
latestDeploymentName := appsutil.LatestDeploymentNameForConfig(t)
deployment, err := kc.Core().ReplicationControllers(t.Namespace).Get(latestDeploymentName, metav1.GetOptions{})
if err != nil {
return fallback, err
}
fallback = deployment.Spec.Template
pods, err := kc.Core().Pods(deployment.Namespace).List(metav1.ListOptions{LabelSelector: labels.SelectorFromSet(deployment.Spec.Selector).String()})
if err != nil {
return fallback, err
}
// If we have any pods available, find the newest
// pod with regards to our most recent deployment.
// If the fallback PodTemplateSpec is nil, prefer
// the newest pod available.
for i := range pods.Items {
pod := &pods.Items[i]
if fallback == nil || pod.CreationTimestamp.Before(&fallback.CreationTimestamp) {
fallback = &kapi.PodTemplateSpec{
ObjectMeta: pod.ObjectMeta,
Spec: pod.Spec,
}
}
}
return fallback, nil
default:
return f.kubeObjectMappingFactory.ApproximatePodTemplateForObject(object)
}
}
func (f *ring1Factory) AttachablePodForObject(object runtime.Object, timeout time.Duration) (*kapi.Pod, error) {
switch t := object.(type) {
case *appsapi.DeploymentConfig:
kc, err := f.clientAccessFactory.ClientSet()
if err != nil {
return nil, err
}
selector := labels.SelectorFromSet(t.Spec.Selector)
f := func(pods []*v1.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) }
pod, _, err := kcmdutil.GetFirstPod(kc.Core(), t.Namespace, selector.String(), 1*time.Minute, f)
return pod, err
default:
return f.kubeObjectMappingFactory.AttachablePodForObject(object, timeout)
}
}
func (f *ring1Factory) Validator(validate bool) (validation.Schema, error) {
return f.kubeObjectMappingFactory.Validator(validate)
}
func (f *ring1Factory) OpenAPISchema() (openapi.Resources, error) {
return f.kubeObjectMappingFactory.OpenAPISchema()
}