pkg/ova/ovf.go
package ova
import (
"fmt"
"io/ioutil"
"strings"
"time"
"github.com/vorteil/vorteil/pkg/vcfg"
"github.com/vorteil/vorteil/pkg/vio"
)
// GenerateOVF A OVF File to be used in the creation of a OVA image.
// This OVF will created with the name {imageName}.ovf and will have
// one image configured named {imageName}.vmdk
func GenerateOVF(imageName string, cfg *vcfg.VCFG, capacity int) vio.File {
var networkSection, networkItems string
for i := range cfg.Networks {
n := i + 1
networkSection += fmt.Sprintf("\n\t\t<Network ovf:name=\"network%d\"/>", n)
networkItems += fmt.Sprintf(`
<Item>
<rasd:AddressOnParent>%d</rasd:AddressOnParent>
<rasd:AutomaticAllocation>true</rasd:AutomaticAllocation>
<rasd:Connection>network%d</rasd:Connection>
<rasd:Description>VmxNet3 ethernet adapter on "network%d"</rasd:Description>
<rasd:ElementName>ethernet%d</rasd:ElementName>
<rasd:InstanceID>%d</rasd:InstanceID>
<rasd:ResourceSubType>VmxNet3</rasd:ResourceSubType>
<rasd:ResourceType>10</rasd:ResourceType>
<vmw:Config ovf:required="false" vmw:key="wakeOnLanEnabled" vmw:value="false"/>
</Item>`, 1+i, n, n, i, 7+i)
}
machineName := strings.TrimSuffix(imageName, ".vmdk")
ovf := fmt.Sprintf(ovfTemplate, imageName, capacity,
networkSection, machineName, machineName,
cfg.VM.Kernel, machineName,
cfg.Info.Author, cfg.Info.Version, cfg.Info.Version,
cfg.Info.URL, cfg.Info.URL, cfg.VM.CPUs, cfg.VM.CPUs,
cfg.VM.RAM.String(), cfg.VM.RAM.Units(vcfg.MiB), networkItems)
return vio.CustomFile(vio.CustomFileArgs{
Name: machineName + ".ovf",
Size: len(ovf),
ModTime: time.Now(),
ReadCloser: ioutil.NopCloser(strings.NewReader(ovf)),
})
}
const ovfTemplate = `<?xml version="1.0" encoding="UTF-8"?>
<!--Generated by Vorteil-->
<Envelope xmlns="http://schemas.dmtf.org/ovf/envelope/1" xmlns:cim="http://schemas.dmtf.org/wbem/wscim/1/common" xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vmw="http://www.vmware.com/schema/ovf" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<References>
<File ovf:href="%s" ovf:id="file1"/>
</References>
<DiskSection>
<Info>Virtual disk information</Info>
<Disk ovf:capacity="%d" ovf:diskId="disk1" ovf:fileRef="file1" ovf:format="http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized"/>
</DiskSection>
<NetworkSection>
<Info>List of logical networks used in the package</Info>%s
</NetworkSection>
<VirtualSystem ovf:id="%s">
<Info>A virtual machine</Info>
<Name>%s</Name>
<OperatingSystemSection ovf:id="102">
<Info>The kind of installed guest operating system</Info>
<Description>Vorteil %s</Description>
</OperatingSystemSection>
<ProductSection ovf:class="com.mycrm.myservice" ovf:instance="1">
<Info>Describes product information for the service</Info>
<Product>%s</Product>
<Vendor>%s</Vendor>
<Version>%s</Version>
<FullVersion>%s</FullVersion>
<ProductUrl>%s</ProductUrl>
<VendorUrl>%s</VendorUrl>
</ProductSection>
<VirtualHardwareSection>
<Info>Virtual hardware requirements</Info>
<System>
<vssd:ElementName>Virtual Hardware Family</vssd:ElementName>
<vssd:InstanceID>0</vssd:InstanceID>
<vssd:VirtualSystemIdentifier>Vorteil</vssd:VirtualSystemIdentifier>
<vssd:VirtualSystemType>vmx-11</vssd:VirtualSystemType>
</System>
<Item>
<rasd:AllocationUnits>hertz * 10^6</rasd:AllocationUnits>
<rasd:Description>Number of Virtual CPUs</rasd:Description>
<rasd:ElementName>%d virtual CPU(s)</rasd:ElementName>
<rasd:InstanceID>1</rasd:InstanceID>
<rasd:ResourceType>3</rasd:ResourceType>
<rasd:VirtualQuantity>%d</rasd:VirtualQuantity>
</Item>
<Item>
<rasd:AllocationUnits>byte * 2^20</rasd:AllocationUnits>
<rasd:Description>Memory Size</rasd:Description>
<rasd:ElementName>%s of memory</rasd:ElementName>
<rasd:InstanceID>2</rasd:InstanceID>
<rasd:ResourceType>4</rasd:ResourceType>
<rasd:VirtualQuantity>%d</rasd:VirtualQuantity>
</Item>
<Item>
<rasd:Address>0</rasd:Address>
<rasd:Description>SCSI Controller</rasd:Description>
<rasd:ElementName>scsiController0</rasd:ElementName>
<rasd:InstanceID>3</rasd:InstanceID>
<rasd:ResourceSubType ovf:required="true">VirtualSCSI</rasd:ResourceSubType>
<rasd:ResourceType>6</rasd:ResourceType>
</Item>
<Item ovf:required="false">
<rasd:AutomaticAllocation>true</rasd:AutomaticAllocation>
<rasd:ElementName>serial0</rasd:ElementName>
<rasd:InstanceID>4</rasd:InstanceID>
<rasd:ResourceType>21</rasd:ResourceType>
<vmw:Config ovf:required="false" vmw:key="yieldOnPoll" vmw:value="true"/>
</Item>
<Item>
<rasd:AddressOnParent>0</rasd:AddressOnParent>
<rasd:ElementName>Hard disk 1</rasd:ElementName>
<rasd:HostResource>ovf:/disk/disk1</rasd:HostResource>
<rasd:InstanceID>6</rasd:InstanceID>
<rasd:Parent>3</rasd:Parent>
<rasd:ResourceType>17</rasd:ResourceType>
<vmw:Config ovf:required="false" vmw:key="backing.writeThrough" vmw:value="false"/>
</Item>%s
<vmw:Config ovf:required="false" vmw:key="firmware" vmw:value="bios"/>
</VirtualHardwareSection>
</VirtualSystem>
</Envelope>`