Initial checkin from CRI-O repo

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

cmd/kpod/main.go

@@ -0,0 +1,129 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/containers/storage/pkg/reexec"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli"
+)
+
+// This is populated by the Makefile from the VERSION file
+// in the repository
+var kpodVersion = ""
+
+func main() {
+	debug := false
+
+	if reexec.Init() {
+		return
+	}
+
+	app := cli.NewApp()
+	app.Name = "kpod"
+	app.Usage = "manage pods and images"
+
+	var v string
+	if kpodVersion != "" {
+		v = kpodVersion
+	}
+	app.Version = v
+
+	app.Commands = []cli.Command{
+		diffCommand,
+		exportCommand,
+		historyCommand,
+		imagesCommand,
+		infoCommand,
+		inspectCommand,
+		killCommand,
+		loadCommand,
+		loginCommand,
+		logoutCommand,
+		logsCommand,
+		mountCommand,
+		pauseCommand,
+		psCommand,
+		pullCommand,
+		pushCommand,
+		renameCommand,
+		rmCommand,
+		rmiCommand,
+		saveCommand,
+		statsCommand,
+		stopCommand,
+		tagCommand,
+		umountCommand,
+		unpauseCommand,
+		versionCommand,
+		waitCommand,
+	}
+	app.Before = func(c *cli.Context) error {
+		logLevel := c.GlobalString("log-level")
+		if logLevel != "" {
+			level, err := logrus.ParseLevel(logLevel)
+			if err != nil {
+				return err
+			}
+
+			logrus.SetLevel(level)
+		}
+
+		if logLevel == "debug" {
+			debug = true
+
+		}
+
+		return nil
+	}
+	app.After = func(*cli.Context) error {
+		// called by Run() when the command handler succeeds
+		shutdownStores()
+		return nil
+	}
+	cli.OsExiter = func(code int) {
+		// called by Run() when the command fails, bypassing After()
+		shutdownStores()
+		os.Exit(code)
+	}
+	app.Flags = []cli.Flag{
+		cli.StringFlag{
+			Name:  "config, c",
+			Usage: "path of a config file detailing container server configuration options",
+		},
+		cli.StringFlag{
+			Name:  "log-level",
+			Usage: "log messages above specified level: debug, info, warn, error (default), fatal or panic",
+			Value: "error",
+		},
+		cli.StringFlag{
+			Name:  "root",
+			Usage: "path to the root directory in which data, including images, is stored",
+		},
+		cli.StringFlag{
+			Name:  "runroot",
+			Usage: "path to the 'run directory' where all state information is stored",
+		},
+		cli.StringFlag{
+			Name:  "runtime",
+			Usage: "path to the OCI-compatible binary used to run containers, default is /usr/bin/runc",
+		},
+		cli.StringFlag{
+			Name:  "storage-driver, s",
+			Usage: "select which storage driver is used to manage storage of images and containers (default is overlay)",
+		},
+		cli.StringSliceFlag{
+			Name:  "storage-opt",
+			Usage: "used to pass an option to the storage driver",
+		},
+	}
+	if err := app.Run(os.Args); err != nil {
+		if debug {
+			logrus.Errorf(err.Error())
+		} else {
+			fmt.Fprintln(os.Stderr, err.Error())
+		}
+		cli.OsExiter(1)
+	}
+}