mirror of https://github.com/k3s-io/k3s
111 lines
3.3 KiB
Go
111 lines
3.3 KiB
Go
/*
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Copyright 2016 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 vclib
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import (
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"strings"
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"k8s.io/api/core/v1"
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"k8s.io/klog"
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)
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// VolumeOptions specifies various options for a volume.
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type VolumeOptions struct {
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CapacityKB int
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Tags map[string]string
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Name string
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DiskFormat string
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Datastore string
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VSANStorageProfileData string
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StoragePolicyName string
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StoragePolicyID string
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SCSIControllerType string
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Zone []string
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SelectedNode *v1.Node
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}
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var (
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// DiskFormatValidType specifies the valid disk formats
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DiskFormatValidType = map[string]string{
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ThinDiskType: ThinDiskType,
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strings.ToLower(EagerZeroedThickDiskType): EagerZeroedThickDiskType,
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strings.ToLower(ZeroedThickDiskType): PreallocatedDiskType,
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}
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// SCSIControllerValidType specifies the supported SCSI controllers
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SCSIControllerValidType = []string{LSILogicControllerType, LSILogicSASControllerType, PVSCSIControllerType}
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)
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// DiskformatValidOptions generates Valid Options for Diskformat
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func DiskformatValidOptions() string {
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validopts := ""
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for diskformat := range DiskFormatValidType {
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validopts += diskformat + ", "
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}
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validopts = strings.TrimSuffix(validopts, ", ")
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return validopts
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}
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// CheckDiskFormatSupported checks if the diskFormat is valid
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func CheckDiskFormatSupported(diskFormat string) bool {
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if DiskFormatValidType[diskFormat] == "" {
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klog.Errorf("Not a valid Disk Format. Valid options are %+q", DiskformatValidOptions())
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return false
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}
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return true
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}
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// SCSIControllerTypeValidOptions generates valid options for SCSIControllerType
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func SCSIControllerTypeValidOptions() string {
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validopts := ""
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for _, controllerType := range SCSIControllerValidType {
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validopts += (controllerType + ", ")
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}
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validopts = strings.TrimSuffix(validopts, ", ")
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return validopts
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}
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// CheckControllerSupported checks if the given controller type is valid
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func CheckControllerSupported(ctrlType string) bool {
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for _, c := range SCSIControllerValidType {
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if ctrlType == c {
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return true
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}
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}
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klog.Errorf("Not a valid SCSI Controller Type. Valid options are %q", SCSIControllerTypeValidOptions())
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return false
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}
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// VerifyVolumeOptions checks if volumeOptions.SCIControllerType is valid controller type
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func (volumeOptions VolumeOptions) VerifyVolumeOptions() bool {
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// Validate only if SCSIControllerType is set by user.
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// Default value is set later in virtualDiskManager.Create and vmDiskManager.Create
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if volumeOptions.SCSIControllerType != "" {
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isValid := CheckControllerSupported(volumeOptions.SCSIControllerType)
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if !isValid {
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return false
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}
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}
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// ThinDiskType is the default, so skip the validation.
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if volumeOptions.DiskFormat != ThinDiskType {
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isValid := CheckDiskFormatSupported(volumeOptions.DiskFormat)
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if !isValid {
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return false
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}
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}
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return true
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}
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