Import docker/docker/cli

Signed-off-by: Daniel Nephin <dnephin@gmail.com>

cli/command/network/remove.go

@@ -0,0 +1,53 @@
+package network
+
+import (
+	"fmt"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/docker/cli"
+	"github.com/docker/docker/cli/command"
+	"github.com/spf13/cobra"
+)
+
+func newRemoveCommand(dockerCli *command.DockerCli) *cobra.Command {
+	return &cobra.Command{
+		Use:     "rm NETWORK [NETWORK...]",
+		Aliases: []string{"remove"},
+		Short:   "Remove one or more networks",
+		Args:    cli.RequiresMinArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runRemove(dockerCli, args)
+		},
+	}
+}
+
+const ingressWarning = "WARNING! Before removing the routing-mesh network, " +
+	"make sure all the nodes in your swarm run the same docker engine version. " +
+	"Otherwise, removal may not be effective and functionality of newly create " +
+	"ingress networks will be impaired.\nAre you sure you want to continue?"
+
+func runRemove(dockerCli *command.DockerCli, networks []string) error {
+	client := dockerCli.Client()
+	ctx := context.Background()
+	status := 0
+
+	for _, name := range networks {
+		if nw, _, err := client.NetworkInspectWithRaw(ctx, name, false); err == nil &&
+			nw.Ingress &&
+			!command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), ingressWarning) {
+			continue
+		}
+		if err := client.NetworkRemove(ctx, name); err != nil {
+			fmt.Fprintf(dockerCli.Err(), "%s\n", err)
+			status = 1
+			continue
+		}
+		fmt.Fprintf(dockerCli.Out(), "%s\n", name)
+	}
+
+	if status != 0 {
+		return cli.StatusError{StatusCode: status}
+	}
+	return nil
+}