itest: add LNC client logging

Author: ellemouton

itest/litd_mode_integrated_test.go

@@ -612,6 +612,10 @@ func runLNCAuthTest(t *testing.T, hostPort, tlsCertPath, macPath string,
 	connectPhrase := strings.Split(
 		sessResp.Session.PairingSecretMnemonic, " ",
 	)
+
+	ctxt, cancel = context.WithTimeout(ctxb, defaultTimeout)
+	defer cancel()
+
 	rawLNCConn, err := connectMailbox(ctxt, connectPhrase)
 	require.NoError(t, err)
 

itest/litd_test.go

@@ -8,10 +8,18 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcd/integration/rpctest"
+	"github.com/lightninglabs/aperture"
+	"github.com/lightninglabs/lightning-node-connect/gbn"
+	"github.com/lightninglabs/lightning-node-connect/mailbox"
+	"github.com/lightningnetwork/lnd"
+	"github.com/lightningnetwork/lnd/build"
 	"github.com/lightningnetwork/lnd/lntest"
+	"github.com/lightningnetwork/lnd/signal"
 	"github.com/stretchr/testify/require"
 )
 
+var interceptor *signal.Interceptor
+
 // TestLightningTerminal performs a series of integration tests amongst a
 // programmatically driven network of lnd nodes.
 func TestLightningTerminal(t *testing.T) {
@@ -73,6 +81,7 @@ func TestLightningTerminal(t *testing.T) {
 	// Now we can set up our test harness (LND instance), with the chain
 	// backend we just created.
 	ht := newHarnessTest(t, nil)
+	ht.setupLogging()
 	binary := getLitdBinary()
 	litdHarness, err = NewNetworkHarness(miner, chainBackend, binary)
 	if err != nil {
@@ -164,3 +173,24 @@ func TestLightningTerminal(t *testing.T) {
 		}
 	}
 }
+
+func (h *harnessTest) setupLogging() {
+	logWriter := build.NewRotatingLogWriter()
+
+	if interceptor != nil {
+		return
+	}
+
+	ic, err := signal.Intercept()
+	require.NoError(h.t, err)
+	interceptor = &ic
+
+	aperture.SetupLoggers(logWriter, *interceptor)
+	lnd.AddSubLogger(
+		logWriter, mailbox.Subsystem, *interceptor, mailbox.UseLogger,
+	)
+	lnd.AddSubLogger(logWriter, gbn.Subsystem, *interceptor, gbn.UseLogger)
+
+	err = build.ParseAndSetDebugLevels("debug", logWriter)
+	require.NoError(h.t, err)
+}