// Run determines and runs the command specified by the CLI args.
func (m *Main) Run(args ...string) error {
name, args := ParseCommandName(args)
// Extract name from args.
switch name {
case "", "run":
cmd := run.NewCommand()
// Tell the server the build details.
cmd.Version = version
cmd.Commit = commit
if err := cmd.Run(args...); err != nil {
return fmt.Errorf("run: %s", err)
}
// Wait indefinitely.
<-(chan struct{})(nil)
case "backup":
name := backup.NewCommand()
if err := name.Run(args...); err != nil {
return fmt.Errorf("backup: %s", err)
}
case "restore":
name := restore.NewCommand()
if err := name.Run(args...); err != nil {
return fmt.Errorf("restore: %s", err)
}
case "config":
if err := run.NewPrintConfigCommand().Run(args...); err != nil {
return fmt.Errorf("config: %s", err)
}
case "version":
if err := NewVersionCommand().Run(args...); err != nil {
return fmt.Errorf("version: %s", err)
}
case "help":
if err := help.NewCommand().Run(args...); err != nil {
return fmt.Errorf("help: %s", err)
}
default:
return fmt.Errorf(`unknown command "%s"`+"\n"+`Run 'influxd help' for usage`+"\n\n", name)
}
return nil
}
// Run determines and runs the command specified by the CLI args.
func (m *Main) Run(args ...string) error {
name, args := ParseCommandName(args)
// Extract name from args.
switch name {
case "", "run":
cmd := run.NewCommand()
// Tell the server the build details.
cmd.Version = version
cmd.Commit = commit
cmd.Branch = branch
if err := cmd.Run(args...); err != nil {
return fmt.Errorf("run: %s", err)
}
signalCh := make(chan os.Signal, 1)
signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM)
m.Logger.Println("Listening for signals")
// Block until one of the signals above is received
select {
case <-signalCh:
m.Logger.Println("Signal received, initializing clean shutdown...")
go func() {
cmd.Close()
}()
}
// Block again until another signal is received, a shutdown timeout elapses,
// or the Command is gracefully closed
m.Logger.Println("Waiting for clean shutdown...")
select {
case <-signalCh:
m.Logger.Println("second signal received, initializing hard shutdown")
case <-time.After(time.Second * 30):
m.Logger.Println("time limit reached, initializing hard shutdown")
case <-cmd.Closed:
m.Logger.Println("server shutdown completed")
}
// goodbye.
case "backup":
name := backup.NewCommand()
if err := name.Run(args...); err != nil {
return fmt.Errorf("backup: %s", err)
}
case "restore":
name := restore.NewCommand()
if err := name.Run(args...); err != nil {
return fmt.Errorf("restore: %s", err)
}
case "config":
if err := run.NewPrintConfigCommand().Run(args...); err != nil {
return fmt.Errorf("config: %s", err)
}
case "version":
if err := NewVersionCommand().Run(args...); err != nil {
return fmt.Errorf("version: %s", err)
}
case "help":
if err := help.NewCommand().Run(args...); err != nil {
return fmt.Errorf("help: %s", err)
}
default:
return fmt.Errorf(`unknown command "%s"`+"\n"+`Run 'influxd help' for usage`+"\n\n", name)
}
return nil
}