Merge pull request #77 from luthermonson/fix-tempdir

adding debug and quiet flags

README.md

@@ -24,13 +24,17 @@ DESCRIPTION:
    Rancher Wins Component (...)
 
 COMMANDS:
-     srv, server
-     cli, client
-     help, h      Shows a list of commands or help for one command
+   srv, server
+   cli, client
+   up, upgrade  Manage Rancher Wins Application
+   help, h      Shows a list of commands or help for one command
 
 GLOBAL OPTIONS:
+   --debug        Turn on verbose debug logging
+   --quiet        Turn on off all logging
    --help, -h     show help
    --version, -v  print the version
+
 ```
 
 #### Server (run on Windows host)
@@ -76,7 +80,7 @@ OPTIONS:
 
 ``` powershell
 # [host] start the wins server
-> wins.exe srv app run --log-level debug --listen rancher_wins
+> wins.exe --debug srv app run --listen rancher_wins
 
 # [host] verify the created npipe
 > Get-ChildItem //./pipe/ | Where-Object Name -eq "rancher_wins"

cmd/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
 
 	"github.com/mattn/go-colorable"
@@ -13,6 +14,7 @@ import (
 	"github.com/rancher/wins/pkg/panics"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
+	"google.golang.org/grpc"
 )
 
 func main() {
@@ -49,16 +51,34 @@ func main() {
 	}
 
 	app.Commands = []cli.Command{
-		// server
 		server.NewCommand(),
-
-		// cli
 		client.NewCommand(),
-
-		// upgrade
 		upgrade.NewCommand(),
 	}
 
+	app.Flags = []cli.Flag{
+		&cli.BoolFlag{
+			Name:  "debug",
+			Usage: "Turn on verbose debug logging",
+		},
+		&cli.BoolFlag{
+			Name:  "quiet",
+			Usage: "Turn on off all logging",
+		},
+	}
+
+	app.Before = func(c *cli.Context) error {
+		if c.Bool("debug") {
+			logrus.SetLevel(logrus.DebugLevel)
+			grpc.EnableTracing = true
+		}
+		if c.Bool("quiet") {
+			logrus.SetOutput(ioutil.Discard)
+		}
+
+		return nil
+	}
+
 	if err := app.Run(os.Args); err != nil && err != io.EOF {
 		logrus.Fatal(err)
 	}