Adds properties command

commands/properties.go

@@ -0,0 +1,31 @@
+package commands
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type Properties struct {
+	AsJSON bool `short:"j" long:"json" description:"format output as json"`
+}
+
+func (command *Properties) Execute(maybeHandle []string) error {
+	container, err := globalClient().Lookup(handle(maybeHandle))
+	failIf(err)
+
+	properties, err := container.Properties()
+	failIf(err)
+
+	if command.AsJSON {
+		toPrint, err := json.MarshalIndent(properties, "", "  ")
+		failIf(err)
+		os.Stdout.Write(toPrint)
+	} else {
+		for k, v := range properties {
+			fmt.Printf("%s:%s\n", k, v)
+		}
+	}
+
+	return nil
+}

gaol.go

@@ -30,6 +30,7 @@ func main() {
 		{"stream-out", "stream data out of the container", &commands.StreamOut{}},
 		{"net-in", "map a port on the host to a port in the container", &commands.NetIn{}},
 		{"net-out", "whitelist an IP and port range for a container", &commands.NetOut{}},
+		{"properties", "list properties for a container", &commands.Properties{}},
 	}
 
 	for _, command := range commands {