package command import ( "fmt" "os" "strings" "github.com/hashicorp/nomad/helper/snapshot" "github.com/posener/complete" ) type OperatorSnapshotInspectCommand struct { Meta } func (c *OperatorSnapshotInspectCommand) Help() string { helpText := ` Usage: nomad operator snapshot inspect [options] FILE Displays information about a snapshot file on disk. To inspect the file "backup.snap": $ nomad operator snapshot inspect backup.snap ` return strings.TrimSpace(helpText) } func (c *OperatorSnapshotInspectCommand) AutocompleteFlags() complete.Flags { return complete.Flags{} } func (c *OperatorSnapshotInspectCommand) AutocompleteArgs() complete.Predictor { return complete.PredictNothing } func (c *OperatorSnapshotInspectCommand) Synopsis() string { return "Displays information about a Nomad snapshot file" } func (c *OperatorSnapshotInspectCommand) Name() string { return "operator snapshot inspect" } func (c *OperatorSnapshotInspectCommand) Run(args []string) int { // Check that we either got no filename or exactly one. if len(args) != 1 { c.Ui.Error("This command takes one argument: ") c.Ui.Error(commandErrorText(c)) return 1 } path := args[0] f, err := os.Open(path) if err != nil { c.Ui.Error(fmt.Sprintf("Error opening snapshot file: %s", err)) return 1 } defer f.Close() meta, err := snapshot.Verify(f) if err != nil { c.Ui.Error(fmt.Sprintf("Error verifying snapshot: %s", err)) return 1 } output := []string{ fmt.Sprintf("ID|%s", meta.ID), fmt.Sprintf("Size|%d", meta.Size), fmt.Sprintf("Index|%d", meta.Index), fmt.Sprintf("Term|%d", meta.Term), fmt.Sprintf("Version|%d", meta.Version), } c.Ui.Output(formatList(output)) return 0 }