mirror of
https://github.com/podman-container-tools/podman.git
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c23963d7a8
QEMU usb-host driver which is the one for passthrough, supports two
options for selecting an USB devices in the host to provide it to the
VM:
- Bus and Device number the device is plugged
- Vendor and Product information of the USB devices
https://qemu-project.gitlab.io/qemu/system/devices/usb.html
This commit allows a user to configure podman machine with either of
options, with new --usb command line option for podman machine init.
Examples
podman machine init tosovm4 --usb vendor=13d3,product=5406
podman machine init tosovm3 --usb bus=1,devnum=4 --usb bus=1,devnum=3
This commit also allows a user to change the USBs configured with
--usb command line option for podman machine set.
Note that this commit does not handle host device permissions nor
verify that the USB devices exists.
Signed-off-by: Victor Toso <victortoso@redhat.com>
131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
//go:build amd64 || arm64
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// +build amd64 arm64
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package machine
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import (
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"fmt"
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"os"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v4/cmd/podman/registry"
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"github.com/containers/podman/v4/pkg/machine"
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"github.com/spf13/cobra"
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)
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var (
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setCmd = &cobra.Command{
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Use: "set [options] [NAME]",
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Short: "Set a virtual machine setting",
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Long: "Set an updatable virtual machine setting",
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PersistentPreRunE: machinePreRunE,
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RunE: setMachine,
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Args: cobra.MaximumNArgs(1),
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Example: `podman machine set --rootful=false`,
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ValidArgsFunction: completion.AutocompleteNone,
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}
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)
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var (
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setFlags = SetFlags{}
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setOpts = machine.SetOptions{}
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)
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type SetFlags struct {
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CPUs uint64
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DiskSize uint64
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Memory uint64
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Rootful bool
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UserModeNetworking bool
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USBs []string
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}
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Command: setCmd,
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Parent: machineCmd,
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})
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flags := setCmd.Flags()
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rootfulFlagName := "rootful"
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flags.BoolVar(&setFlags.Rootful, rootfulFlagName, false, "Whether this machine should prefer rootful container execution")
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cpusFlagName := "cpus"
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flags.Uint64Var(
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&setFlags.CPUs,
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cpusFlagName, 0,
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"Number of CPUs",
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)
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_ = setCmd.RegisterFlagCompletionFunc(cpusFlagName, completion.AutocompleteNone)
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diskSizeFlagName := "disk-size"
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flags.Uint64Var(
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&setFlags.DiskSize,
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diskSizeFlagName, 0,
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"Disk size in GiB",
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)
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_ = setCmd.RegisterFlagCompletionFunc(diskSizeFlagName, completion.AutocompleteNone)
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memoryFlagName := "memory"
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flags.Uint64VarP(
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&setFlags.Memory,
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memoryFlagName, "m", 0,
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"Memory in MiB",
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)
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_ = setCmd.RegisterFlagCompletionFunc(memoryFlagName, completion.AutocompleteNone)
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usbFlagName := "usb"
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flags.StringArrayVarP(
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&setFlags.USBs,
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usbFlagName, "", []string{},
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"USBs bus=$1,devnum=$2 or vendor=$1,product=$2")
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_ = setCmd.RegisterFlagCompletionFunc(usbFlagName, completion.AutocompleteNone)
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userModeNetFlagName := "user-mode-networking"
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flags.BoolVar(&setFlags.UserModeNetworking, userModeNetFlagName, false, // defaults not-relevant due to use of Changed()
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"Whether this machine should use user-mode networking, routing traffic through a host user-space process")
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}
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func setMachine(cmd *cobra.Command, args []string) error {
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var (
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vm machine.VM
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err error
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)
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vmName := defaultMachineName
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if len(args) > 0 && len(args[0]) > 0 {
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vmName = args[0]
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}
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vm, err = provider.LoadVMByName(vmName)
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if err != nil {
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return err
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}
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if cmd.Flags().Changed("rootful") {
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setOpts.Rootful = &setFlags.Rootful
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}
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if cmd.Flags().Changed("cpus") {
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setOpts.CPUs = &setFlags.CPUs
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}
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if cmd.Flags().Changed("memory") {
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setOpts.Memory = &setFlags.Memory
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}
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if cmd.Flags().Changed("disk-size") {
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setOpts.DiskSize = &setFlags.DiskSize
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}
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if cmd.Flags().Changed("user-mode-networking") {
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setOpts.UserModeNetworking = &setFlags.UserModeNetworking
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}
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if cmd.Flags().Changed("usb") {
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setOpts.USBs = &setFlags.USBs
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}
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setErrs, lasterr := vm.Set(vmName, setOpts)
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for _, err := range setErrs {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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}
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return lasterr
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}
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