spiegel_podman/cmd/podman/machine/init.go
Brent Baude a86495ea6f Set machine timezone
Added an option to podman machine init to declare the timezone of the
resulting machine.  the default is to use the value of the host name or
else a given timezone name like America/Chicago.

Fixes: #11895

Signed-off-by: Brent Baude <bbaude@redhat.com>

[NO NEW TESTS NEEDED]

Signed-off-by: Brent Baude <bbaude@redhat.com>
2021-12-16 12:40:20 -06:00

120 lines
3.1 KiB
Go

// +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
}