print logging config on service status

cmd/runitcmd/status.go

@@ -38,5 +38,19 @@ func (app *Application) Status(c *cli.Context) {
 		fmt.Printf("enabled    %v\n", st.Enabled)
 		fmt.Printf("activated  %v\n", st.Activated)
 		fmt.Printf("\n")
+		if cfg, err := service.Config(); err == nil {
+			l := cfg.Logging
+			if l != nil {
+				fmt.Printf("logging:\n")
+				fmt.Printf("directory       %s\n", l.Directory)
+				fmt.Printf("max size        %d bytes\n", l.Size)
+				fmt.Printf("number          %d\n", l.Num)
+				fmt.Printf("timeout         %d seconds\n", l.Timeout)
+				fmt.Printf("minimum         %d\n", l.Min)
+				fmt.Printf("\n")
+			}
+		} else {
+			fmt.Printf("logging configuration unavailable\n")
+		}
 	}
 }

runit/config.go

@@ -3,6 +3,7 @@ package runit
 import (
 	"io/ioutil"
 	"os"
+	"path/filepath"
 
 	"gopkg.in/yaml.v2"
 )
@@ -48,3 +49,13 @@ func (c *ServiceConfig) SaveFile(path string) error {
 	err = os.Rename(tmppath, path)
 	return err
 }
+
+func (s *Service) Config() (*ServiceConfig, error) {
+	cfgfile := filepath.Join(s.ServiceDir, "service.yaml")
+	c := &ServiceConfig{}
+	err := c.LoadFile(cfgfile)
+	if err != nil {
+		return nil, err
+	}
+	return c, nil
+}