79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
/*
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Copyright 2019 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 deviceplugin
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import (
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appsv1 "k8s.io/api/apps/v1"
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"k8s.io/api/core/v1"
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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/runtime/serializer"
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"k8s.io/kubernetes/test/e2e/framework/testfiles"
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"github.com/onsi/ginkgo"
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)
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const (
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// sampleResourceName is the name of the example resource which is used in the e2e test
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sampleResourceName = "example.com/resource"
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// sampleDevicePluginDSYAML is the path of the daemonset template of the sample device plugin. // TODO: Parametrize it by making it a feature in TestFramework.
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sampleDevicePluginDSYAML = "test/e2e/testing-manifests/sample-device-plugin.yaml"
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// sampleDevicePluginName is the name of the device plugin pod
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sampleDevicePluginName = "sample-device-plugin"
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)
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var (
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appsScheme = runtime.NewScheme()
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appsCodecs = serializer.NewCodecFactory(appsScheme)
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)
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// NumberOfSampleResources returns the number of resources advertised by a node
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func NumberOfSampleResources(node *v1.Node) int64 {
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val, ok := node.Status.Capacity[sampleResourceName]
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if !ok {
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return 0
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}
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return val.Value()
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}
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// GetSampleDevicePluginPod returns the Device Plugin pod for sample resources in e2e tests
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func GetSampleDevicePluginPod() *v1.Pod {
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ds := ReadDaemonSetV1OrDie(testfiles.ReadOrDie(sampleDevicePluginDSYAML, ginkgo.Fail))
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p := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: sampleDevicePluginName,
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Namespace: metav1.NamespaceSystem,
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},
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Spec: ds.Spec.Template.Spec,
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}
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return p
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}
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// ReadDaemonSetV1OrDie reads daemonset object from bytes. Panics on error.
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func ReadDaemonSetV1OrDie(objBytes []byte) *appsv1.DaemonSet {
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appsv1.AddToScheme(appsScheme)
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requiredObj, err := runtime.Decode(appsCodecs.UniversalDecoder(appsv1.SchemeGroupVersion), objBytes)
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if err != nil {
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panic(err)
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}
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return requiredObj.(*appsv1.DaemonSet)
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}
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