custom-kube-scheduler/kubernetes/test/e2e/storage/testsuites/driveroperations.go

/*
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 testsuites

import (
	"fmt"

	storagev1 "k8s.io/api/storage/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
	"k8s.io/apiserver/pkg/storage/names"
	"k8s.io/kubernetes/test/e2e/framework"
	"k8s.io/kubernetes/test/e2e/storage/testpatterns"
)

// GetDriverNameWithFeatureTags returns driver name with feature tags
// For example)
//  - [Driver: nfs]
//  - [Driver: rbd][Feature:Volumes]
func GetDriverNameWithFeatureTags(driver TestDriver) string {
	dInfo := driver.GetDriverInfo()

	return fmt.Sprintf("[Driver: %s]%s", dInfo.Name, dInfo.FeatureTag)
}

// CreateVolume creates volume for test unless dynamicPV or CSI ephemeral inline volume test
func CreateVolume(driver TestDriver, config *PerTestConfig, volType testpatterns.TestVolType) TestVolume {
	switch volType {
	case testpatterns.InlineVolume:
		fallthrough
	case testpatterns.PreprovisionedPV:
		if pDriver, ok := driver.(PreprovisionedVolumeTestDriver); ok {
			return pDriver.CreateVolume(config, volType)
		}
	case testpatterns.CSIInlineVolume:
		fallthrough
	case testpatterns.DynamicPV:
		// No need to create volume
	default:
		framework.Failf("Invalid volType specified: %v", volType)
	}
	return nil
}

// GetStorageClass constructs a new StorageClass instance
// with a unique name that is based on namespace + suffix.
func GetStorageClass(
	provisioner string,
	parameters map[string]string,
	bindingMode *storagev1.VolumeBindingMode,
	ns string,
	suffix string,
) *storagev1.StorageClass {
	if bindingMode == nil {
		defaultBindingMode := storagev1.VolumeBindingImmediate
		bindingMode = &defaultBindingMode
	}
	return &storagev1.StorageClass{
		TypeMeta: metav1.TypeMeta{
			Kind: "StorageClass",
		},
		ObjectMeta: metav1.ObjectMeta{
			// Name must be unique, so let's base it on namespace name and use GenerateName
			Name: names.SimpleNameGenerator.GenerateName(ns + "-" + suffix),
		},
		Provisioner:       provisioner,
		Parameters:        parameters,
		VolumeBindingMode: bindingMode,
	}
}

// GetSnapshotClass constructs a new SnapshotClass instance
// with a unique name that is based on namespace + suffix.
func GetSnapshotClass(
	snapshotter string,
	parameters map[string]string,
	ns string,
	suffix string,
) *unstructured.Unstructured {
	snapshotClass := &unstructured.Unstructured{
		Object: map[string]interface{}{
			"kind":       "VolumeSnapshotClass",
			"apiVersion": snapshotAPIVersion,
			"metadata": map[string]interface{}{
				// Name must be unique, so let's base it on namespace name
				"name": ns + "-" + suffix,
			},
			"driver":         snapshotter,
			"parameters":     parameters,
			"deletionPolicy": "Delete",
		},
	}

	return snapshotClass
}