55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
//go:build linux
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/*
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Copyright 2018 The Kubernetes Authors All rights reserved.
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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 kvm
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import (
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"bytes"
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"fmt"
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"text/template"
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)
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// extraDisksTmpl ExtraDisks XML Template
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const extraDisksTmpl = `
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<disk type='file' device='disk'>
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<driver name='qemu' type='raw' cache='default' io='threads' />
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<source file='{{.DiskPath}}'/>
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<target dev='{{.DiskLogicalName}}' bus='virtio'/>
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</disk>
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`
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// ExtraDisks holds the extra disks configuration
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type ExtraDisks struct {
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DiskPath string
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DiskLogicalName string
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}
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// getExtraDiskXML returns the XML that can be added to the libvirt domain XML
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// for additional disks
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func getExtraDiskXML(diskpath string, logicalName string) (string, error) {
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var extraDisk ExtraDisks
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extraDisk.DiskLogicalName = logicalName
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extraDisk.DiskPath = diskpath
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tmpl := template.Must(template.New("").Parse(extraDisksTmpl))
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var extraDisksXML bytes.Buffer
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if err := tmpl.Execute(&extraDisksXML, extraDisk); err != nil {
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return "", fmt.Errorf("couldn't generate extra disks XML: %v", err)
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}
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return extraDisksXML.String(), nil
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}
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