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|
// +build amd64,!windows arm64,!windows
package machine
import (
"fmt"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v3/cmd/podman/registry"
"github.com/containers/podman/v3/pkg/machine"
"github.com/containers/podman/v3/pkg/machine/qemu"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
initCmd = &cobra.Command{
Use: "init [options] [NAME]",
Short: "Initialize a virtual machine",
Long: "initialize a virtual machine ",
RunE: initMachine,
Args: cobra.MaximumNArgs(1),
Example: `podman machine init myvm`,
ValidArgsFunction: completion.AutocompleteNone,
}
)
var (
initOpts = machine.InitOptions{}
defaultMachineName = "podman-machine-default"
now bool
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: initCmd,
Parent: machineCmd,
})
flags := initCmd.Flags()
cfg := registry.PodmanConfig()
cpusFlagName := "cpus"
flags.Uint64Var(
&initOpts.CPUS,
cpusFlagName, cfg.Machine.CPUs,
"Number of CPUs",
)
_ = initCmd.RegisterFlagCompletionFunc(cpusFlagName, completion.AutocompleteNone)
diskSizeFlagName := "disk-size"
flags.Uint64Var(
&initOpts.DiskSize,
diskSizeFlagName, cfg.Machine.DiskSize,
"Disk size in GB",
)
_ = initCmd.RegisterFlagCompletionFunc(diskSizeFlagName, completion.AutocompleteNone)
memoryFlagName := "memory"
flags.Uint64VarP(
&initOpts.Memory,
memoryFlagName, "m", cfg.Machine.Memory,
"Memory in MB",
)
_ = initCmd.RegisterFlagCompletionFunc(memoryFlagName, completion.AutocompleteNone)
flags.BoolVar(
&now,
"now", false,
"Start machine now",
)
timezoneFlagName := "timezone"
defaultTz := cfg.TZ()
if len(defaultTz) < 1 {
defaultTz = "local"
}
flags.StringVar(&initOpts.TimeZone, timezoneFlagName, defaultTz, "Set timezone")
_ = initCmd.RegisterFlagCompletionFunc(timezoneFlagName, completion.AutocompleteDefault)
ImagePathFlagName := "image-path"
flags.StringVar(&initOpts.ImagePath, ImagePathFlagName, cfg.Machine.Image, "Path to qcow image")
_ = initCmd.RegisterFlagCompletionFunc(ImagePathFlagName, completion.AutocompleteDefault)
IgnitionPathFlagName := "ignition-path"
flags.StringVar(&initOpts.IgnitionPath, IgnitionPathFlagName, "", "Path to ignition file")
_ = initCmd.RegisterFlagCompletionFunc(IgnitionPathFlagName, completion.AutocompleteDefault)
}
// TODO should we allow for a users to append to the qemu cmdline?
func initMachine(cmd *cobra.Command, args []string) error {
var (
vm machine.VM
vmType string
err error
)
initOpts.Name = defaultMachineName
if len(args) > 0 {
initOpts.Name = args[0]
}
switch vmType {
default: // qemu is the default
if _, err := qemu.LoadVMByName(initOpts.Name); err == nil {
return errors.Wrap(machine.ErrVMAlreadyExists, initOpts.Name)
}
vm, err = qemu.NewMachine(initOpts)
}
if err != nil {
return err
}
err = vm.Init(initOpts)
if err != nil {
return err
}
if now {
err = vm.Start(initOpts.Name, machine.StartOptions{})
if err == nil {
fmt.Printf("Machine %q started successfully\n", initOpts.Name)
}
}
return err
}
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