77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
package main
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import (
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"context"
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"errors"
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"flag"
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"fmt"
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"os"
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"strings"
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"text/tabwriter"
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)
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type DatabasesCommand struct{}
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func (c *DatabasesCommand) Run(ctx context.Context, args []string) (err error) {
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var configPath string
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fs := flag.NewFlagSet("litestream-databases", flag.ContinueOnError)
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registerConfigFlag(fs, &configPath)
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fs.Usage = c.Usage
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if err := fs.Parse(args); err != nil {
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return err
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} else if fs.NArg() != 0 {
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return fmt.Errorf("too many argument")
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}
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// Load configuration.
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if configPath == "" {
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return errors.New("-config required")
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}
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config, err := ReadConfigFile(configPath)
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if err != nil {
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return err
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}
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// List all databases.
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w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)
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fmt.Fprintln(w, "path\treplicas")
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for _, dbConfig := range config.DBs {
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db, err := newDBFromConfig(dbConfig)
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if err != nil {
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return err
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}
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var replicaNames []string
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for _, r := range db.Replicas {
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replicaNames = append(replicaNames, r.Name())
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}
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fmt.Fprintf(w, "%s\t%s\n",
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db.Path(),
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strings.Join(replicaNames, ","),
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)
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}
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w.Flush()
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return nil
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}
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func (c *DatabasesCommand) Usage() {
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fmt.Printf(`
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The databases command lists all databases in the configuration file.
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Usage:
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litestream databases [arguments]
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Arguments:
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-config PATH
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Specifies the configuration file.
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Defaults to %s
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`[1:],
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DefaultConfigPath,
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)
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}
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