TUN-2754: Add ConnDigest to cloudflared and its RPCs

tunnelrpc/pogs/tunnelrpc.go

@@ -47,6 +47,7 @@ type SuccessfulTunnelRegistration struct {
 	LogLines    []string
 	TunnelID    string `capnp:"tunnelID"`
 	EventDigest []byte
+	ConnDigest  []byte
 }
 
 func NewSuccessfulTunnelRegistration(
@@ -54,6 +55,7 @@ func NewSuccessfulTunnelRegistration(
 	logLines []string,
 	tunnelID string,
 	eventDigest []byte,
+	connDigest []byte,
 ) *TunnelRegistration {
 	// Marshal nil will result in an error
 	if logLines == nil {
@@ -65,6 +67,7 @@ func NewSuccessfulTunnelRegistration(
 			LogLines:    logLines,
 			TunnelID:    tunnelID,
 			EventDigest: eventDigest,
+			ConnDigest:  connDigest,
 		},
 	}
 }

tunnelrpc/pogs/tunnelrpc_test.go

@@ -22,6 +22,7 @@ var (
 	testErr         = fmt.Errorf("Invalid credential")
 	testLogLines    = []string{"all", "working"}
 	testEventDigest = []byte("asdf")
+	testConnDigest  = []byte("lkjh")
 )
 
 // *PermanentRegistrationError implements TunnelRegistrationError
@@ -32,8 +33,8 @@ var _ TunnelRegistrationError = (*RetryableRegistrationError)(nil)
 
 func TestTunnelRegistration(t *testing.T) {
 	testCases := []*TunnelRegistration{
-		NewSuccessfulTunnelRegistration(testURL, testLogLines, testTunnelID, testEventDigest),
-		NewSuccessfulTunnelRegistration(testURL, nil, testTunnelID, testEventDigest),
+		NewSuccessfulTunnelRegistration(testURL, testLogLines, testTunnelID, testEventDigest, testConnDigest),
+		NewSuccessfulTunnelRegistration(testURL, nil, testTunnelID, testEventDigest, testConnDigest),
 		NewPermanentRegistrationError(testErr).Serialize(),
 		NewRetryableRegistrationError(testErr, testRetryAfterSeconds).Serialize(),
 	}