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https://github.com/siderolabs/talos.git
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c3fabb9829
This PR adds a flag to imager that allows for tweaking the size of the created disk. Additionally, it sets the default value of that created disk to 10GB, as most images are cloud images that fail when uploaded b/c it only picks up a 1GB disk currently. Also adds some processing the makefile to make sure we set the default small value for metal images and SBCs. Signed-off-by: Spencer Smith <spencer.smith@talos-systems.com>
263 lines
8.6 KiB
Go
263 lines
8.6 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Package ova implements OVA creation.
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package ova
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import (
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"bytes"
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"crypto/sha256"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"github.com/siderolabs/go-cmd/pkg/cmd"
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"github.com/siderolabs/talos/cmd/installer/pkg"
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"github.com/siderolabs/talos/cmd/installer/pkg/qemuimg"
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)
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const mfTpl = `SHA256({{ .VMDK }})= {{ .VMDKSHA }}
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SHA256({{ .OVF }})= {{ .OVFSHA }}
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`
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// OVF format reference: https://www.dmtf.org/standards/ovf.
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//
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//nolint:lll
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const ovfTpl = `<?xml version="1.0" encoding="UTF-8"?>
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<!--Generated by VMware ovftool 4.3.0 (build-7948156), UTC time: 2019-10-31T01:41:10.540841Z-->
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<!-- Edited by Talos -->
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<Envelope vmw:buildId="build-7948156" 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">
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<References>
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<File ovf:href="{{ .VMDK }}" ovf:id="file1" ovf:size="{{ .Size }}"/>
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</References>
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<DiskSection>
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<Info>Virtual disk information</Info>
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<Disk ovf:capacity="{{ .Capacity }}" ovf:capacityAllocationUnits="byte * 2^20" ovf:diskId="vmdisk1" ovf:fileRef="file1" ovf:format="http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized"/>
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</DiskSection>
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<NetworkSection>
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<Info>The list of logical networks</Info>
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<Network ovf:name="VM Network">
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<Description>The VM Network network</Description>
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</Network>
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</NetworkSection>
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<VirtualSystem ovf:id="vm">
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<Info>A virtual machine</Info>
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<Name>talos</Name>
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<ProductSection ovf:required="false">
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<Info>Talos Virtual Appliance</Info>
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<Property ovf:userConfigurable="true" ovf:type="string"
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ovf:key="talos.config" ovf:value="">
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<Label>Talos config data</Label>
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<Description>Inline Talos config</Description>
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</Property>
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</ProductSection>
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<OperatingSystemSection ovf:id="101" vmw:osType="other3xLinux64Guest">
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<Info>The kind of installed guest operating system</Info>
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</OperatingSystemSection>
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<VirtualHardwareSection ovf:transport="com.vmware.guestInfo">
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<Info>Virtual hardware requirements</Info>
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<System>
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<vssd:ElementName>Virtual Hardware Family</vssd:ElementName>
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<vssd:InstanceID>0</vssd:InstanceID>
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<vssd:VirtualSystemIdentifier>talos</vssd:VirtualSystemIdentifier>
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<vssd:VirtualSystemType>vmx-13</vssd:VirtualSystemType>
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</System>
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<Item>
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<rasd:AllocationUnits>hertz * 10^6</rasd:AllocationUnits>
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<rasd:Description>Number of Virtual CPUs</rasd:Description>
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<rasd:ElementName>2 virtual CPU(s)</rasd:ElementName>
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<rasd:InstanceID>1</rasd:InstanceID>
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<rasd:ResourceType>3</rasd:ResourceType>
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<rasd:VirtualQuantity>2</rasd:VirtualQuantity>
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</Item>
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<Item>
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<rasd:AllocationUnits>byte * 2^20</rasd:AllocationUnits>
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<rasd:Description>Memory Size</rasd:Description>
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<rasd:ElementName>2048MB of memory</rasd:ElementName>
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<rasd:InstanceID>2</rasd:InstanceID>
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<rasd:ResourceType>4</rasd:ResourceType>
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<rasd:VirtualQuantity>2048</rasd:VirtualQuantity>
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</Item>
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<Item>
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<rasd:Address>0</rasd:Address>
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<rasd:Description>SCSI Controller</rasd:Description>
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<rasd:ElementName>scsiController0</rasd:ElementName>
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<rasd:InstanceID>3</rasd:InstanceID>
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<rasd:ResourceSubType>VirtualSCSI</rasd:ResourceSubType>
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<rasd:ResourceType>6</rasd:ResourceType>
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</Item>
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<Item>
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<rasd:AddressOnParent>0</rasd:AddressOnParent>
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<rasd:ElementName>disk0</rasd:ElementName>
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<rasd:HostResource>ovf:/disk/vmdisk1</rasd:HostResource>
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<rasd:InstanceID>4</rasd:InstanceID>
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<rasd:Parent>3</rasd:Parent>
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<rasd:ResourceType>17</rasd:ResourceType>
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</Item>
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<Item>
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<rasd:AddressOnParent>2</rasd:AddressOnParent>
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<rasd:AutomaticAllocation>true</rasd:AutomaticAllocation>
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<rasd:Connection>VM Network</rasd:Connection>
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<rasd:Description>VmxNet3 ethernet adapter on "VM Network"</rasd:Description>
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<rasd:ElementName>ethernet0</rasd:ElementName>
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<rasd:InstanceID>5</rasd:InstanceID>
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<rasd:ResourceSubType>VmxNet3</rasd:ResourceSubType>
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<rasd:ResourceType>10</rasd:ResourceType>
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<vmw:Config ovf:required="false" vmw:key="slotInfo.pciSlotNumber" vmw:value="32"/>
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<vmw:Config ovf:required="false" vmw:key="wakeOnLanEnabled" vmw:value="false"/>
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<vmw:Config ovf:required="false" vmw:key="connectable.allowGuestControl" vmw:value="false"/>
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</Item>
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<Item ovf:required="false">
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<rasd:AutomaticAllocation>false</rasd:AutomaticAllocation>
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<rasd:ElementName>video</rasd:ElementName>
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<rasd:InstanceID>6</rasd:InstanceID>
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<rasd:ResourceType>24</rasd:ResourceType>
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</Item>
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<Item ovf:required="false">
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<rasd:AutomaticAllocation>false</rasd:AutomaticAllocation>
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<rasd:ElementName>vmci</rasd:ElementName>
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<rasd:InstanceID>7</rasd:InstanceID>
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<rasd:ResourceSubType>vmware.vmci</rasd:ResourceSubType>
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<rasd:ResourceType>1</rasd:ResourceType>
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</Item>
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<vmw:Config ovf:required="false" vmw:key="tools.syncTimeWithHost" vmw:value="false"/>
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<vmw:Config ovf:required="false" vmw:key="tools.afterPowerOn" vmw:value="true"/>
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<vmw:Config ovf:required="false" vmw:key="tools.afterResume" vmw:value="true"/>
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<vmw:Config ovf:required="false" vmw:key="tools.beforeGuestShutdown" vmw:value="true"/>
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<vmw:Config ovf:required="false" vmw:key="tools.beforeGuestStandby" vmw:value="true"/>
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<vmw:Config ovf:required="false" vmw:key="tools.toolsUpgradePolicy" vmw:value="manual"/>
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<vmw:Config ovf:required="false" vmw:key="powerOpInfo.suspendType" vmw:value="soft"/>
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<vmw:ExtraConfig ovf:required="false" vmw:key="nvram" vmw:value="talos.nvram"/>
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</VirtualHardwareSection>
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</VirtualSystem>
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</Envelope>
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`
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// CreateOVAFromRAW creates an OVA from a RAW disk.
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//
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//nolint:gocyclo
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func CreateOVAFromRAW(name, src, out, arch string) (err error) {
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dir, err := os.MkdirTemp("/tmp", "talos")
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if err != nil {
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return err
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}
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dest := filepath.Join(dir, name+".vmdk")
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if err = qemuimg.Convert("raw", "vmdk", "compat6,subformat=streamOptimized,adapter_type=lsilogic", src, dest); err != nil {
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return err
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}
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f, err := os.Stat(dest)
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if err != nil {
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return err
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}
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size := f.Size()
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ovf, err := renderOVF(name, size, pkg.DefaultRAWDiskSize)
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if err != nil {
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return err
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}
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input, err := os.Open(dest)
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if err != nil {
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return err
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}
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vmdkSHA25Sum, err := sha256sum(input)
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if err != nil {
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return err
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}
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ovfSHA25Sum, err := sha256sum(strings.NewReader(ovf))
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if err != nil {
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return err
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}
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mf, err := renderMF(name, vmdkSHA25Sum, ovfSHA25Sum)
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if err != nil {
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return err
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}
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//nolint:errcheck
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defer os.RemoveAll(dir)
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if err = os.WriteFile(filepath.Join(dir, name+".mf"), []byte(mf), 0o666); err != nil {
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return err
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}
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if err = os.WriteFile(filepath.Join(dir, name+".ovf"), []byte(ovf), 0o666); err != nil {
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return err
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}
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if _, err = cmd.Run("tar", "-cvf", filepath.Join(out, fmt.Sprintf("vmware-%s.ova", arch)), "-C", dir, name+".ovf", name+".mf", name+".vmdk"); err != nil {
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return err
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}
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return nil
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}
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func sha256sum(input io.Reader) (string, error) {
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hash := sha256.New()
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if _, err := io.Copy(hash, input); err != nil {
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return "", err
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}
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sum := hash.Sum(nil)
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return fmt.Sprintf("%x", sum), nil
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}
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func renderMF(name, vmdkSHA25Sum, ovfSHA25Sum string) (string, error) {
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cfg := struct {
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VMDK string
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VMDKSHA string
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OVF string
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OVFSHA string
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}{
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VMDK: name + ".vmdk",
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VMDKSHA: vmdkSHA25Sum,
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OVF: name + ".ovf",
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OVFSHA: ovfSHA25Sum,
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}
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templ := template.Must(template.New("mf").Parse(mfTpl))
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var buf bytes.Buffer
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if err := templ.Execute(&buf, cfg); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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func renderOVF(name string, size, capacity int64) (string, error) {
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cfg := struct {
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VMDK string
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Size int64
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Capacity int64
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}{
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VMDK: name + ".vmdk",
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Size: size,
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Capacity: capacity,
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}
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templ := template.Must(template.New("ovf").Parse(ovfTpl))
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var buf bytes.Buffer
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if err := templ.Execute(&buf, cfg); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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