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the changes introduced in this commit plumbs in the generic scaler into kubectl.

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note that we don't change the behaviour of kubectl.
For example it won't scale new resources. That's the end goal.
The first step is to retrofit existing code to use the generic scaler.
This commit is contained in:
p0lyn0mial
2018-01-04 14:52:25 +01:00
parent 1a817b1507
commit dd9de90b0a
22 changed files with 177 additions and 100 deletions
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25
test/e2e/framework/framework.go
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@@ -28,14 +28,19 @@ import (
"k8s.io/api/core/v1"
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/labels"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/discovery"
cacheddiscovery "k8s.io/client-go/discovery/cached"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
scaleclient "k8s.io/client-go/scale"
"k8s.io/client-go/tools/clientcmd"
aggregatorclient "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
"k8s.io/kubernetes/pkg/api/legacyscheme"
@@ -67,6 +72,8 @@ type Framework struct {
AggregatorClient *aggregatorclient.Clientset
ClientPool dynamic.ClientPool
ScalesGetter scaleclient.ScalesGetter
SkipNamespaceCreation bool // Whether to skip creating a namespace
Namespace *v1.Namespace // Every test has at least one namespace unless creation is skipped
namespacesToDelete []*v1.Namespace // Some tests have more than one.
@@ -161,6 +168,24 @@ func (f *Framework) BeforeEach() {
f.AggregatorClient, err = aggregatorclient.NewForConfig(config)
Expect(err).NotTo(HaveOccurred())
f.ClientPool = dynamic.NewClientPool(config, legacyscheme.Registry.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
// create scales getter, set GroupVersion and NegotiatedSerializer to default values
// as they are required when creating a REST client.
if config.GroupVersion == nil {
config.GroupVersion = &schema.GroupVersion{}
}
if config.NegotiatedSerializer == nil {
config.NegotiatedSerializer = legacyscheme.Codecs
}
restClient, err := rest.RESTClientFor(config)
Expect(err).NotTo(HaveOccurred())
discoClient, err := discovery.NewDiscoveryClientForConfig(config)
Expect(err).NotTo(HaveOccurred())
cachedDiscoClient := cacheddiscovery.NewMemCacheClient(discoClient)
restMapper := discovery.NewDeferredDiscoveryRESTMapper(cachedDiscoClient, meta.InterfacesForUnstructured)
resolver := scaleclient.NewDiscoveryScaleKindResolver(cachedDiscoClient)
f.ScalesGetter = scaleclient.New(restClient, restMapper, dynamic.LegacyAPIPathResolverFunc, resolver)
if ProviderIs("kubemark") && TestContext.KubemarkExternalKubeConfig != "" && TestContext.CloudConfig.KubemarkController == nil {
externalConfig, err := clientcmd.BuildConfigFromFlags("", TestContext.KubemarkExternalKubeConfig)
externalConfig.QPS = f.Options.ClientQPS