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basesetups.go
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basesetups.go
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/**
* Copyright 2021 IBM Corp.
*
* 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"
. "github.com/onsi/ginkgo"
v1 "k8s.io/api/core/v1"
storagev1 "k8s.io/api/storage/v1"
clientset "k8s.io/client-go/kubernetes"
)
type PodDetails struct {
Cmd string
CmdExits bool
Volumes []VolumeDetails
}
type VolumeMode int
type VolumeDetails struct {
PVCName string //PVC Name
VolumeType string //PVC SC
FSType string //Ext3 / XFS / EXT4
Encrypted bool
MountOptions []string
ClaimSize string //PVC Capacity
ReclaimPolicy *v1.PersistentVolumeReclaimPolicy
VolumeBindingMode *storagev1.VolumeBindingMode
AllowedTopologyValues []string
AccessMode *v1.PersistentVolumeAccessMode
VolumeMode VolumeMode
VolumeMount VolumeMountDetails
VolumeDevice VolumeDeviceDetails
pvc *TestPersistentVolumeClaim
}
const (
FileSystem VolumeMode = iota
Block
)
const (
VolumeSnapshotKind = "VolumeSnapshot"
SnapshotAPIVersion = "snapshot.storage.k8s.io/v1alpha1"
APIVersionv1alpha1 = "v1alpha1"
)
var (
SnapshotAPIGroup = "snapshot.storage.k8s.io"
)
type VolumeMountDetails struct {
NameGenerate string
MountPathGenerate string
ReadOnly bool
}
type VolumeDeviceDetails struct {
NameGenerate string
DevicePath string
}
type DataSource struct {
Name string
}
type PodExecCheck struct {
Cmd []string
ExpectedString01 string
ExpectedString02 string
}
func (pod *PodDetails) SetupWithPVC(client clientset.Interface, namespace *v1.Namespace, name string) (*TestPod, []func()) {
tpod := NewTestPodWithName(client, namespace, name, pod.Cmd)
cleanupFuncs := make([]func(), 0)
for n, v := range pod.Volumes {
if v.pvc == nil {
continue
}
tpod.SetupVolume(v.pvc.persistentVolumeClaim,
fmt.Sprintf("%s%d", v.VolumeMount.NameGenerate, n+1),
fmt.Sprintf("%s%d", v.VolumeMount.MountPathGenerate, n+1), v.VolumeMount.ReadOnly)
}
return tpod, cleanupFuncs
}
func (pod *PodDetails) SetupWithDynamicVolumes(client clientset.Interface, namespace *v1.Namespace) (*TestPod, []func()) {
cleanupFuncs := make([]func(), 0)
By("setting up POD")
tpod := NewTestPod(client, namespace, pod.Cmd)
By("setting up the PVC for POD")
for n, v := range pod.Volumes {
tpvc, funcs := v.SetupDynamicPersistentVolumeClaim(client, namespace)
cleanupFuncs = append(cleanupFuncs, funcs...)
if v.VolumeMode == Block {
tpod.SetupRawBlockVolume(tpvc.persistentVolumeClaim,
fmt.Sprintf("%s%d", v.VolumeDevice.NameGenerate, n+1), v.VolumeDevice.DevicePath)
} else {
tpod.SetupVolume(tpvc.persistentVolumeClaim,
fmt.Sprintf("%s%d", v.VolumeMount.NameGenerate, n+1),
fmt.Sprintf("%s%d", v.VolumeMount.MountPathGenerate, n+1), v.VolumeMount.ReadOnly)
}
}
return tpod, cleanupFuncs
}
func (pod *PodDetails) SetupDeploymentWithMultiVol(client clientset.Interface, namespace *v1.Namespace) (*TestDeployment, []func()) {
cleanupFuncs := make([]func(), 0)
By("setting up the Deployment")
tDeployment := NewTestDeploymentWitoutPVC(client, namespace, pod.Cmd)
for n, volume := range pod.Volumes {
By("setting up the PVC for Deployment")
storageClass := storagev1.StorageClass{}
storageClass.Name = volume.VolumeType
storageClass.ReclaimPolicy = volume.ReclaimPolicy
storageClass.MountOptions = volume.MountOptions
tpvc := NewTestPersistentVolumeClaim(client, volume.PVCName, namespace, volume.ClaimSize, volume.AccessMode, volume.VolumeMode, &storageClass)
tpvc.Create()
tpvc.WaitForBound()
tpvc.ValidateProvisionedPersistentVolume()
cleanupFuncs = append(cleanupFuncs, tpvc.Cleanup)
tDeployment.SetupVolume(tpvc.persistentVolumeClaim,
fmt.Sprintf("%s%d", volume.VolumeMount.NameGenerate, n+1),
fmt.Sprintf("%s%d", volume.VolumeMount.MountPathGenerate, n+1), volume.VolumeMount.ReadOnly)
}
cleanupFuncs = append(cleanupFuncs, tDeployment.Cleanup)
return tDeployment, cleanupFuncs
}
func (pod *PodDetails) SetupDeployment(client clientset.Interface, namespace *v1.Namespace) (*TestDeployment, []func()) {
cleanupFuncs := make([]func(), 0)
volume := pod.Volumes[0]
By("setting up the PVC for Deployment")
storageClass := storagev1.StorageClass{}
storageClass.Name = volume.VolumeType
storageClass.ReclaimPolicy = volume.ReclaimPolicy
storageClass.MountOptions = volume.MountOptions
tpvc := NewTestPersistentVolumeClaim(client, volume.PVCName, namespace, volume.ClaimSize, volume.AccessMode, volume.VolumeMode, &storageClass)
tpvc.Create()
tpvc.WaitForBound()
tpvc.ValidateProvisionedPersistentVolume()
cleanupFuncs = append(cleanupFuncs, tpvc.Cleanup)
By("setting up the Deployment")
tDeployment := NewTestDeployment(client, namespace, pod.Cmd,
tpvc.persistentVolumeClaim,
fmt.Sprintf("%s%d", volume.VolumeMount.NameGenerate, 1),
fmt.Sprintf("%s%d", volume.VolumeMount.MountPathGenerate, 1),
volume.VolumeMount.ReadOnly)
cleanupFuncs = append(cleanupFuncs, tDeployment.Cleanup)
return tDeployment, cleanupFuncs
}
func (volume *VolumeDetails) SetupDynamicPersistentVolumeClaim(client clientset.Interface, namespace *v1.Namespace) (*TestPersistentVolumeClaim, []func()) {
cleanupFuncs := make([]func(), 0)
By("setting up the PVC and PV")
//By(fmt.Sprintf("PVC: %q NS: %q", volume.PVCName, namespace.Name))
storageClass := storagev1.StorageClass{}
storageClass.Name = volume.VolumeType
storageClass.ReclaimPolicy = volume.ReclaimPolicy
storageClass.MountOptions = volume.MountOptions
var tpvc *TestPersistentVolumeClaim
tpvc = NewTestPersistentVolumeClaim(client, volume.PVCName, namespace, volume.ClaimSize, volume.AccessMode, volume.VolumeMode, &storageClass)
tpvc.Create()
cleanupFuncs = append(cleanupFuncs, tpvc.Cleanup)
// PV will not be ready until PVC is used in a pod when volumeBindingMode: WaitForFirstConsumer
if volume.VolumeBindingMode == nil || *volume.VolumeBindingMode == storagev1.VolumeBindingImmediate {
tpvc.WaitForBound()
tpvc.ValidateProvisionedPersistentVolume()
}
volume.pvc = tpvc
return tpvc, cleanupFuncs
}
func (pod *PodDetails) SetupStatefulset(client clientset.Interface, namespace *v1.Namespace, serviceName string, labels map[string]string, replicaCount int32) (*TestStatefulsets, []func()) {
cleanupFuncs := make([]func(), 0)
volume := pod.Volumes[0]
storageClass := storagev1.StorageClass{}
storageClass.Name = volume.VolumeType
storageClass.ReclaimPolicy = volume.ReclaimPolicy
storageClass.MountOptions = volume.MountOptions
By("Setting up PVC values")
tpvc := NewTestPersistentVolumeClaim(client, volume.PVCName, namespace, volume.ClaimSize, volume.AccessMode, volume.VolumeMode, &storageClass)
By("Setting up the Statefulset")
tStatefulset := tpvc.NewTestStatefulset(client, namespace, serviceName, pod.Cmd,
storageClass.Name,
volume.PVCName,
fmt.Sprintf("%s%d", volume.VolumeMount.MountPathGenerate, 1), labels, replicaCount)
cleanupFuncs = append(cleanupFuncs, tStatefulset.Cleanup)
return tStatefulset, cleanupFuncs
}