Add SkipReadinessCheck flag

java_status.go

@@ -32,6 +32,8 @@ type statusCmd struct {
  UseProxy bool `usage:"supports contacting Bungeecord when proxy_protocol enabled"`
  ProxyVersion byte `usage:"version of PROXY protocol to use" default:"1"`
 
+ SkipReadinessCheck bool `usage:"returns success when pinging a server without player info, or with a max player count of 0"`
+
  ShowPlayerCount bool `usage:"show just the online player count"`
 }
 
@@ -90,7 +92,7 @@ func (c *statusCmd) Execute(_ context.Context, _ *flag.FlagSet, args ...interfac
  // While server is starting up it will answer pings, but respond with empty JSON object.
  // As such, we'll sanity check the max players value to see if a zero-value has been
  // provided for info.
- if info.Players.Max == 0 {
+ if info.Players.Max == 0 && !c.SkipReadinessCheck {
 
  _, _ = fmt.Fprintf(os.Stderr, "server not ready %s:%d", c.Host, c.Port)
  return errors.New("server not ready")
@@ -127,7 +129,7 @@ func (c *statusCmd) ExecuteServerListPing() subcommands.ExitStatus {
  return err
  }
 
- if response.MaxPlayers == "0" {
+ if response.MaxPlayers == "0" && !c.SkipReadinessCheck {
  return errors.New("server not ready")
  }
 
@@ -176,7 +178,7 @@ func (c *statusCmd) ExecuteMcUtilPing(logger *zap.Logger) subcommands.ExitStatus
  response := hs.Properties.Infos()
  logger.Debug("mcutils ping returned", zap.Any("properties", response))
 
- if response.Players.Max == 0 {
+ if response.Players.Max == 0 && !c.SkipReadinessCheck {
  return errors.New("server not ready")
  }