Adds an "lan" tagged address so we have a way to get them all.

If we didn't have this, then there would be no way to know the LAN
address if address translation was turned on.

command/agent/agent.go

@@ -170,6 +170,7 @@ func Create(config *Config, logOutput io.Writer) (*Agent, error) {
 
 	// Create the default set of tagged addresses.
 	config.TaggedAddresses = map[string]string{
+		"lan": config.AdvertiseAddr,
 		"wan": config.AdvertiseAddrWan,
 	}
 

command/agent/agent_test.go

@@ -183,6 +183,7 @@ func TestAgent_CheckAdvertiseAddrsSettings(t *testing.T) {
 		t.Fatalf("RPC is not properly set to %v: %s", c.AdvertiseAddrs.RPC, rpc)
 	}
 	expected := map[string]string{
+		"lan": agent.config.AdvertiseAddr,
 		"wan": agent.config.AdvertiseAddrWan,
 	}
 	if !reflect.DeepEqual(agent.config.TaggedAddresses, expected) {

website/source/docs/agent/http/catalog.html.markdown

@@ -41,7 +41,8 @@ body must look something like:
   "Node": "foobar",
   "Address": "192.168.10.10",
   "TaggedAddresses": {
-    "wan": "127.0.0.1"
+    "lan": "192.168.10.10",
+    "wan": "10.0.10.10"
   },
   "Service": {
     "ID": "redis1",
@@ -69,7 +70,8 @@ requires `Node` and `Address` to be provided while `Datacenter` will be defaulte
 to match that of the agent. If only those are provided, the endpoint will register
 the node with the catalog. `TaggedAddresses` can be used in conjunction with the
 [`translate_wan_addrs`](/docs/agent/options.html#translate_wan_addrs) configuration
-option. Currently only the "wan" tag is supported.
+option and the "wan" address. The "lan" address was added in Consul 0.7 to help find
+the LAN address if address translation is enabled.
 
 If the `Service` key is provided, the service will also be registered. If
 `ID` is not provided, it will be defaulted to the value of the `Service.Service` property.
@@ -200,6 +202,7 @@ It returns a JSON body like this:
     "Node": "baz",
     "Address": "10.1.10.11",
     "TaggedAddresses": {
+      "lan": "10.1.10.11",
       "wan": "10.1.10.11"
     }
   },
@@ -207,6 +210,7 @@ It returns a JSON body like this:
     "Node": "foobar",
     "Address": "10.1.10.12",
     "TaggedAddresses": {
+      "lan": "10.1.10.11",
       "wan": "10.1.10.12"
     }
   }
@@ -287,6 +291,7 @@ It returns a JSON body like this:
     "Node": "foobar",
     "Address": "10.1.10.12",
     "TaggedAddresses": {
+      "lan": "10.1.10.12",
       "wan": "10.1.10.12"
     }
   },

website/source/docs/agent/http/health.html.markdown

@@ -129,6 +129,7 @@ It returns a JSON body like this:
       "Node": "foobar",
       "Address": "10.1.10.12",
       "TaggedAddresses": {
+        "lan": "10.1.10.12",
         "wan": "10.1.10.12"
       }
     },

website/source/docs/agent/http/query.html.markdown

@@ -399,7 +399,11 @@ a JSON body will be returned like this:
     {
       "Node": {
         "Node": "foobar",
-        "Address": "10.1.10.12"
+        "Address": "10.1.10.12",
+        "TaggedAddresses": {
+          "lan": "10.1.10.12",
+          "wan": "10.1.10.12"
+        }
       },
       "Service": {
         "ID": "redis",