Migrate to cobra CLI

We intend to migrate to the cobra cli from urfave/cli because the
project is more well maintained.  There are also some technical reasons
as well which extend into our remote client work.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 41 insertions, 50 deletions

diff --git a/cmd/podman/logs.go b/cmd/podman/logs.go
index 75947c34e..83f900e63 100644
--- a/cmd/podman/logs.go
+++ b/cmd/podman/logs.go
@@ -4,91 +4,82 @@ import (
 	"os"
 	"time"
 
+	"github.com/containers/libpod/cmd/podman/cliconfig"
 	"github.com/containers/libpod/cmd/podman/libpodruntime"
 	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/logs"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	"github.com/urfave/cli"
+	"github.com/spf13/cobra"
 )
 
 var (
-	logsFlags = []cli.Flag{
-		cli.BoolFlag{
-			Name:   "details",
-			Usage:  "Show extra details provided to the logs",
-			Hidden: true,
-		},
-		cli.BoolFlag{
-			Name:  "follow, f",
-			Usage: "Follow log output.  The default is false",
-		},
-		cli.StringFlag{
-			Name:  "since",
-			Usage: "Show logs since TIMESTAMP",
-		},
-		cli.Uint64Flag{
-			Name:  "tail",
-			Usage: "Output the specified number of LINES at the end of the logs.  Defaults to 0, which prints all lines",
-		},
-		cli.BoolFlag{
-			Name:  "timestamps, t",
-			Usage: "Output the timestamps in the log",
-		},
-		LatestFlag,
-	}
+	logsCommand     cliconfig.LogsValues
 	logsDescription = "The podman logs command batch-retrieves whatever logs are present for a container at the time of execution.  This does not guarantee execution" +
 		"order when combined with podman run (i.e. your run may not have generated any logs at the time you execute podman logs"
-	logsCommand = cli.Command{
-		Name:                   "logs",
-		Usage:                  "Fetch the logs of a container",
-		Description:            logsDescription,
-		Flags:                  sortFlags(logsFlags),
-		Action:                 logsCmd,
-		ArgsUsage:              "CONTAINER",
-		SkipArgReorder:         true,
-		OnUsageError:           usageErrorHandler,
-		UseShortOptionHandling: true,
+	_logsCommand = &cobra.Command{
+		Use:   "logs",
+		Short: "Fetch the logs of a container",
+		Long:  logsDescription,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			logsCommand.InputArgs = args
+			logsCommand.GlobalFlags = MainGlobalOpts
+			return logsCmd(&logsCommand)
+		},
+		Example: "CONTAINER",
 	}
 )
 
-func logsCmd(c *cli.Context) error {
+func init() {
+	logsCommand.Command = _logsCommand
+	flags := logsCommand.Flags()
+	flags.BoolVar(&logsCommand.Details, "details", false, "Show extra details provided to the logs")
+	flags.BoolVarP(&logsCommand.Follow, "follow", "f", false, "Follow log output.  The default is false")
+	flags.BoolVarP(&waitCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
+	flags.StringVar(&logsCommand.Since, "since", "", "Show logs since TIMESTAMP")
+	flags.Uint64Var(&logsCommand.Tail, "tail", 0, "Output the specified number of LINES at the end of the logs.  Defaults to 0, which prints all lines")
+	flags.BoolVarP(&logsCommand.Timestamps, "timestamps", "t", false, "Output the timestamps in the log")
+	flags.MarkHidden("details")
+
+	flags.SetInterspersed(false)
+
+	rootCmd.AddCommand(logsCommand.Command)
+}
+
+func logsCmd(c *cliconfig.LogsValues) error {
 	var ctr *libpod.Container
 	var err error
-	if err := validateFlags(c, logsFlags); err != nil {
-		return err
-	}
 
-	runtime, err := libpodruntime.GetRuntime(c)
+	runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
 	if err != nil {
 		return errors.Wrapf(err, "could not get runtime")
 	}
 	defer runtime.Shutdown(false)
 
-	args := c.Args()
-	if len(args) != 1 && !c.Bool("latest") {
+	args := c.InputArgs
+	if len(args) != 1 && !c.Latest {
 		return errors.Errorf("'podman logs' requires exactly one container name/ID")
 	}
 
 	sinceTime := time.Time{}
-	if c.IsSet("since") {
+	if c.Flag("since").Changed {
 		// parse time, error out if something is wrong
-		since, err := parseInputTime(c.String("since"))
+		since, err := parseInputTime(c.Since)
 		if err != nil {
-			return errors.Wrapf(err, "could not parse time: %q", c.String("since"))
+			return errors.Wrapf(err, "could not parse time: %q", c.Since)
 		}
 		sinceTime = since
 	}
 
 	opts := &logs.LogOptions{
-		Details:    c.Bool("details"),
-		Follow:     c.Bool("follow"),
+		Details:    c.Details,
+		Follow:     c.Follow,
 		Since:      sinceTime,
-		Tail:       c.Uint64("tail"),
-		Timestamps: c.Bool("timestamps"),
+		Tail:       c.Tail,
+		Timestamps: c.Timestamps,
 	}
 
-	if c.Bool("latest") {
+	if c.Latest {
 		ctr, err = runtime.GetLatestContainer()
 	} else {
 		ctr, err = runtime.LookupContainer(args[0])