Run executes the command.
(ctx context.Context, args []string)
| 18 | |
| 19 | // Run executes the command. |
| 20 | func (c *LTXCommand) Run(ctx context.Context, args []string) (err error) { |
| 21 | fs := flag.NewFlagSet("litestream-ltx", flag.ContinueOnError) |
| 22 | configPath, noExpandEnv := registerConfigFlag(fs) |
| 23 | jsonOutput := fs.Bool("json", false, "output raw JSON") |
| 24 | var level levelVar |
| 25 | fs.Var(&level, "level", "compaction level (0-9 or \"all\")") |
| 26 | fs.Usage = c.Usage |
| 27 | if err := fs.Parse(args); err != nil { |
| 28 | return err |
| 29 | } else if fs.NArg() == 0 || fs.Arg(0) == "" { |
| 30 | return &usageError{ |
| 31 | message: "database path or replica URL required", |
| 32 | hint: "litestream ltx /path/to/db", |
| 33 | } |
| 34 | } else if fs.NArg() > 1 { |
| 35 | return fmt.Errorf("too many arguments") |
| 36 | } |
| 37 | |
| 38 | var r *litestream.Replica |
| 39 | if litestream.IsURL(fs.Arg(0)) { |
| 40 | if *configPath != "" { |
| 41 | return fmt.Errorf("cannot specify a replica URL and the -config flag") |
| 42 | } |
| 43 | if r, err = NewReplicaFromConfig(&ReplicaConfig{URL: fs.Arg(0)}, nil); err != nil { |
| 44 | return err |
| 45 | } |
| 46 | internal.InitLog(os.Stdout, "INFO", "text", false) |
| 47 | } else { |
| 48 | if *configPath == "" { |
| 49 | *configPath = DefaultConfigPath() |
| 50 | } |
| 51 | |
| 52 | // Load configuration. |
| 53 | config, err := ReadConfigFile(*configPath, !*noExpandEnv) |
| 54 | if err != nil { |
| 55 | return err |
| 56 | } |
| 57 | |
| 58 | // Lookup database from configuration file by path. |
| 59 | path, err := expand(fs.Arg(0)) |
| 60 | if err != nil { |
| 61 | return err |
| 62 | } |
| 63 | dbc := config.DBConfig(path) |
| 64 | if dbc == nil { |
| 65 | return fmt.Errorf("database not found in config: %s", path) |
| 66 | } |
| 67 | |
| 68 | db, err := NewDBFromConfig(dbc) |
| 69 | if err != nil { |
| 70 | return err |
| 71 | } else if db.Replica == nil { |
| 72 | return fmt.Errorf("database has no replica") |
| 73 | } |
| 74 | r = db.Replica |
| 75 | } |
| 76 | |
| 77 | // Determine which levels to iterate. |