Initial commit

vendor/github.com/hyperhq/hypercli/api/client/port.go

@@ -0,0 +1,63 @@
+package client
+
+import (
+	"fmt"
+	"strings"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/go-connections/nat"
+	Cli "github.com/hyperhq/hypercli/cli"
+	flag "github.com/hyperhq/hypercli/pkg/mflag"
+)
+
+// CmdPort lists port mappings for a container.
+// If a private port is specified, it also shows the public-facing port that is NATed to the private port.
+//
+// Usage: docker port CONTAINER [PRIVATE_PORT[/PROTO]]
+func (cli *DockerCli) CmdPort(args ...string) error {
+	cmd := Cli.Subcmd("port", []string{"CONTAINER [PRIVATE_PORT[/PROTO]]"}, Cli.DockerCommands["port"].Description, true)
+	cmd.Require(flag.Min, 1)
+
+	cmd.ParseFlags(args, true)
+
+	ctx := context.Background()
+
+	c, err := cli.client.ContainerInspect(ctx, cmd.Arg(0))
+	if err != nil {
+		return err
+	}
+
+	if cmd.NArg() == 2 {
+		var (
+			port  = cmd.Arg(1)
+			proto = "tcp"
+			parts = strings.SplitN(port, "/", 2)
+		)
+
+		if len(parts) == 2 && len(parts[1]) != 0 {
+			port = parts[0]
+			proto = parts[1]
+		}
+		natPort := port + "/" + proto
+		newP, err := nat.NewPort(proto, port)
+		if err != nil {
+			return err
+		}
+		if frontends, exists := c.NetworkSettings.Ports[newP]; exists && frontends != nil {
+			for _, frontend := range frontends {
+				fmt.Fprintf(cli.out, "%s:%s\n", frontend.HostIP, frontend.HostPort)
+			}
+			return nil
+		}
+		return fmt.Errorf("Error: No public port '%s' published for %s", natPort, cmd.Arg(0))
+	}
+
+	for from, frontends := range c.NetworkSettings.Ports {
+		for _, frontend := range frontends {
+			fmt.Fprintf(cli.out, "%s -> %s:%s\n", from, frontend.HostIP, frontend.HostPort)
+		}
+	}
+
+	return nil
+}