ipn, etc: use controlplane.tailscale.com

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>

ipn/prefs.go

@@ -28,7 +28,7 @@ import (
 // DefaultControlURL returns the URL base of the control plane
 // ("coordination server") for use when no explicit one is configured.
 // The default control plane is the hosted version run by Tailscale.com.
-const DefaultControlURL = "https://login.tailscale.com"
+const DefaultControlURL = "https://controlplane.tailscale.com"
 
 // Prefs are the user modifiable settings of the Tailscale node agent.
 type Prefs struct {

ipn/prefs_test.go

@@ -92,13 +92,13 @@ func TestPrefsEqual(t *testing.T) {
 		},
 
 		{
-			&Prefs{ControlURL: "https://login.tailscale.com"},
+			&Prefs{ControlURL: "https://controlplane.tailscale.com"},
 			&Prefs{ControlURL: "https://login.private.co"},
 			false,
 		},
 		{
-			&Prefs{ControlURL: "https://login.tailscale.com"},
-			&Prefs{ControlURL: "https://login.tailscale.com"},
+			&Prefs{ControlURL: "https://controlplane.tailscale.com"},
+			&Prefs{ControlURL: "https://controlplane.tailscale.com"},
 			true,
 		},
 
@@ -324,7 +324,7 @@ func TestBasicPrefs(t *testing.T) {
 	tstest.PanicOnLog()
 
 	p := Prefs{
-		ControlURL: "https://login.tailscale.com",
+		ControlURL: "https://controlplane.tailscale.com",
 	}
 	checkPrefs(t, p)
 }
@@ -336,7 +336,7 @@ func TestPrefsPersist(t *testing.T) {
 		LoginName: "test@example.com",
 	}
 	p := Prefs{
-		ControlURL: "https://login.tailscale.com",
+		ControlURL: "https://controlplane.tailscale.com",
 		CorpDNS:    true,
 		Persist:    &c,
 	}

net/dnsfallback/dnsfallback.go

@@ -87,7 +87,7 @@ func Lookup(ctx context.Context, host string) ([]netaddr.IP, error) {
 }
 
 // serverName and serverIP of are, say, "derpN.tailscale.com".
-// queryName is the name being sought (e.g. "login.tailscale.com"), passed as hint.
+// queryName is the name being sought (e.g. "controlplane.tailscale.com"), passed as hint.
 func bootstrapDNSMap(ctx context.Context, serverName string, serverIP netaddr.IP, queryName string) (dnsMap, error) {
 	dialer := netns.NewDialer()
 	tr := http.DefaultTransport.(*http.Transport).Clone()

net/interfaces/interfaces.go

@@ -22,7 +22,7 @@ import (
 
 // LoginEndpointForProxyDetermination is the URL used for testing
 // which HTTP proxy the system should use.
-var LoginEndpointForProxyDetermination = "https://login.tailscale.com/"
+var LoginEndpointForProxyDetermination = "https://controlplane.tailscale.com/"
 
 // Tailscale returns the current machine's Tailscale interface, if any.
 // If none is found, all zero values are returned.