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|
//go:build amd64 || arm64
// +build amd64 arm64
package machine
import (
"fmt"
"html/template"
"os"
"runtime"
"github.com/containers/common/pkg/completion"
"github.com/containers/common/pkg/config"
"github.com/containers/common/pkg/report"
"github.com/containers/podman/v4/cmd/podman/common"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/validate"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/machine"
"github.com/ghodss/yaml"
"github.com/spf13/cobra"
)
var infoDescription = `Display information pertaining to the machine host.`
var (
infoCmd = &cobra.Command{
Use: "info [options]",
Short: "Display machine host info",
Long: infoDescription,
PersistentPreRunE: rootlessOnly,
RunE: info,
Args: validate.NoArgs,
ValidArgsFunction: completion.AutocompleteNone,
Example: `podman machine info`,
}
)
var (
inFormat string
)
// Info contains info on the machine host and version info
type Info struct {
Host *HostInfo `json:"Host"`
Version define.Version `json:"Version"`
}
// HostInfo contains info on the machine host
type HostInfo struct {
Arch string `json:"Arch"`
CurrentMachine string `json:"CurrentMachine"`
DefaultMachine string `json:"DefaultMachine"`
EventsDir string `json:"EventsDir"`
MachineConfigDir string `json:"MachineConfigDir"`
MachineImageDir string `json:"MachineImageDir"`
MachineState string `json:"MachineState"`
NumberOfMachines int `json:"NumberOfMachines"`
OS string `json:"OS"`
VMType string `json:"VMType"`
}
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: infoCmd,
Parent: machineCmd,
})
flags := infoCmd.Flags()
formatFlagName := "format"
flags.StringVarP(&inFormat, formatFlagName, "f", "", "Change the output format to JSON or a Go template")
_ = infoCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(&define.Info{}))
}
func info(cmd *cobra.Command, args []string) error {
info := Info{}
version, err := define.GetVersion()
if err != nil {
return fmt.Errorf("error getting version info %w", err)
}
info.Version = version
host, err := hostInfo()
if err != nil {
return err
}
info.Host = host
switch {
case report.IsJSON(inFormat):
b, err := json.MarshalIndent(info, "", " ")
if err != nil {
return err
}
fmt.Println(string(b))
case cmd.Flags().Changed("format"):
tmpl := template.New(cmd.Name()).Funcs(template.FuncMap(report.DefaultFuncs))
inFormat = report.NormalizeFormat(inFormat)
tmpl, err := tmpl.Parse(inFormat)
if err != nil {
return err
}
return tmpl.Execute(os.Stdout, info)
default:
b, err := yaml.Marshal(info)
if err != nil {
return err
}
fmt.Println(string(b))
}
return nil
}
func hostInfo() (*HostInfo, error) {
host := HostInfo{}
host.Arch = runtime.GOARCH
host.OS = runtime.GOOS
provider := GetSystemDefaultProvider()
var listOpts machine.ListOptions
listResponse, err := provider.List(listOpts)
if err != nil {
return nil, fmt.Errorf("failed to get machines %w", err)
}
host.NumberOfMachines = len(listResponse)
cfg, err := config.ReadCustomConfig()
if err != nil {
return nil, err
}
// Default state of machine is stopped
host.MachineState = "Stopped"
for _, vm := range listResponse {
// Set default machine if found
if vm.Name == cfg.Engine.ActiveService {
host.DefaultMachine = vm.Name
}
// If machine is running or starting, it is automatically the current machine
if vm.Running {
host.CurrentMachine = vm.Name
host.MachineState = "Running"
} else if vm.Starting {
host.CurrentMachine = vm.Name
host.MachineState = "Starting"
}
}
// If no machines are starting or running, set current machine to default machine
// If no default machines are found, do not report a default machine or a state
if host.CurrentMachine == "" {
if host.DefaultMachine == "" {
host.MachineState = ""
} else {
host.CurrentMachine = host.DefaultMachine
}
}
host.VMType = provider.VMType()
dataDir, err := machine.GetDataDir(host.VMType)
if err != nil {
return nil, fmt.Errorf("failed to get machine image dir")
}
host.MachineImageDir = dataDir
confDir, err := machine.GetConfDir(host.VMType)
if err != nil {
return nil, fmt.Errorf("failed to get machine config dir %w", err)
}
host.MachineConfigDir = confDir
eventsDir, err := eventSockDir()
if err != nil {
return nil, fmt.Errorf("failed to get events dir: %w", err)
}
host.EventsDir = eventsDir
return &host, nil
}
|
