325482a97c
Previously, if a replica URL was specified then the `-config` flag was silently ignored. This commit changes this behavior so that specifying both the URL & config flag will now return an error.
79 lines
1.5 KiB
Go
79 lines
1.5 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"text/tabwriter"
|
|
)
|
|
|
|
// DatabasesCommand is a command for listing managed databases.
|
|
type DatabasesCommand struct{}
|
|
|
|
// Run executes the command.
|
|
func (c *DatabasesCommand) Run(ctx context.Context, args []string) (err error) {
|
|
fs := flag.NewFlagSet("litestream-databases", flag.ContinueOnError)
|
|
configPath := registerConfigFlag(fs)
|
|
fs.Usage = c.Usage
|
|
if err := fs.Parse(args); err != nil {
|
|
return err
|
|
} else if fs.NArg() != 0 {
|
|
return fmt.Errorf("too many arguments")
|
|
}
|
|
|
|
// Load configuration.
|
|
if *configPath == "" {
|
|
*configPath = DefaultConfigPath()
|
|
}
|
|
config, err := ReadConfigFile(*configPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// List all databases.
|
|
w := tabwriter.NewWriter(os.Stdout, 0, 8, 2, ' ', 0)
|
|
defer w.Flush()
|
|
|
|
fmt.Fprintln(w, "path\treplicas")
|
|
for _, dbConfig := range config.DBs {
|
|
db, err := NewDBFromConfig(dbConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var replicaNames []string
|
|
for _, r := range db.Replicas {
|
|
replicaNames = append(replicaNames, r.Name())
|
|
}
|
|
|
|
fmt.Fprintf(w, "%s\t%s\n",
|
|
db.Path(),
|
|
strings.Join(replicaNames, ","),
|
|
)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Usage prints the help screen to STDOUT.
|
|
func (c *DatabasesCommand) Usage() {
|
|
fmt.Printf(`
|
|
The databases command lists all databases in the configuration file.
|
|
|
|
Usage:
|
|
|
|
litestream databases [arguments]
|
|
|
|
Arguments:
|
|
|
|
-config PATH
|
|
Specifies the configuration file.
|
|
Defaults to %s
|
|
|
|
`[1:],
|
|
DefaultConfigPath(),
|
|
)
|
|
}
|