Merge branch 'descriptive' into metadata

src/config/config.go

@@ -2,6 +2,7 @@ package config
 
 // NodeConfig defines all configuration values needed to run a signle yggdrasil node
 type NodeConfig struct {
+	Metadata                    Metadata            `comment:"Optional node metadata. Entirely optional but visible to all\npeers and nodes with open sessions."`
 	Listen                      string              `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
 	AdminListen                 string              `comment:"Listen address for admin connections. Default is to listen for local\nconnections either on TCP/9001 or a UNIX socket depending on your\nplatform. Use this value for yggdrasilctl -endpoint=X. To disable\nthe admin socket, use the value \"none\" instead."`
 	Peers                       []string            `comment:"List of connection strings for static peers in URI format, e.g.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j."`
@@ -51,3 +52,10 @@ type TunnelRouting struct {
 type SwitchOptions struct {
 	MaxTotalQueueSize uint64 `comment:"Maximum size of all switch queues combined (in bytes)."`
 }
+
+// Optional metadata - format subject to change
+type Metadata struct {
+	Name     string
+	Location string
+	Contact  string
+}