diff options
Diffstat (limited to 'cmd/podman')
| -rw-r--r-- | cmd/podman/machine/info.go | 182 | ||||
| -rw-r--r-- | cmd/podman/machine/machine.go | 20 |
2 files changed, 195 insertions, 7 deletions
diff --git a/cmd/podman/machine/info.go b/cmd/podman/machine/info.go new file mode 100644 index 000000000..9932027d8 --- /dev/null +++ b/cmd/podman/machine/info.go @@ -0,0 +1,182 @@ +//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 +} diff --git a/cmd/podman/machine/machine.go b/cmd/podman/machine/machine.go index 5a8a06b9d..0618337cc 100644 --- a/cmd/podman/machine/machine.go +++ b/cmd/podman/machine/machine.go @@ -101,12 +101,6 @@ func resolveEventSock() ([]string, error) { return []string{sock}, nil } - xdg, err := util.GetRuntimeDir() - if err != nil { - logrus.Warnf("Failed to get runtime dir, machine events will not be published: %s", err) - return nil, nil - } - re := regexp.MustCompile(`machine_events.*\.sock`) sockPaths := make([]string, 0) fn := func(path string, info os.DirEntry, err error) error { @@ -125,8 +119,12 @@ func resolveEventSock() ([]string, error) { sockPaths = append(sockPaths, path) return nil } + sockDir, err := eventSockDir() + if err != nil { + logrus.Warnf("Failed to get runtime dir, machine events will not be published: %s", err) + } - if err := filepath.WalkDir(filepath.Join(xdg, "podman"), fn); err != nil { + if err := filepath.WalkDir(sockDir, fn); err != nil { if errors.Is(err, os.ErrNotExist) { return nil, nil } @@ -135,6 +133,14 @@ func resolveEventSock() ([]string, error) { return sockPaths, nil } +func eventSockDir() (string, error) { + xdg, err := util.GetRuntimeDir() + if err != nil { + return "", err + } + return filepath.Join(xdg, "podman"), nil +} + func newMachineEvent(status events.Status, event events.Event) { openEventSock.Do(initMachineEvents) |