build: apply rpctest tag in itest

We need to distinguish an lnd build for the purpose of integration
testing from a regular dev build. This makes it possible to adapt
parameters to let integration tests run faster (for example:
sweeper batch window).

.gitignore

@@ -28,6 +28,8 @@ _testmain.go
 /lnd-debug
 /lncli
 /lncli-debug
+/lnd-itest
+/lncli-itest
 
 # Integration test log files
 output*.log

Makefile

@@ -100,6 +100,11 @@ build:
 	$(GOBUILD) -tags="$(DEV_TAGS)" -o lnd-debug $(LDFLAGS) $(PKG)
 	$(GOBUILD) -tags="$(DEV_TAGS)" -o lncli-debug $(LDFLAGS) $(PKG)/cmd/lncli
 
+build-itest:
+	@$(call print, "Building itest lnd and lncli.")
+	$(GOBUILD) -tags="$(ITEST_TAGS)" -o lnd-itest $(LDFLAGS) $(PKG)
+	$(GOBUILD) -tags="$(ITEST_TAGS)" -o lncli-itest $(LDFLAGS) $(PKG)/cmd/lncli
+
 install:
 	@$(call print, "Installing lnd and lncli.")
 	$(GOINSTALL) -tags="${tags}" $(LDFLAGS) $(PKG)
@@ -118,7 +123,7 @@ itest-only:
 	@$(call print, "Running integration tests.")
 	$(ITEST)
 
-itest: btcd build itest-only
+itest: btcd build-itest itest-only
 
 unit: btcd
 	@$(call print, "Running unit tests.")
@@ -181,6 +186,7 @@ rpc:
 clean:
 	@$(call print, "Cleaning source.$(NC)")
 	$(RM) ./lnd-debug ./lncli-debug
+	$(RM) ./lnd-itest ./lncli-itest
 	$(RM) -r ./vendor .vendor-new
 
 

lntest/node.go

@@ -281,7 +281,7 @@ func (hn *HarnessNode) start(lndError chan<- error) error {
 
 	args := hn.cfg.genArgs()
 	args = append(args, fmt.Sprintf("--profile=%d", 9000+hn.NodeID))
-	hn.cmd = exec.Command("./lnd-debug", args...)
+	hn.cmd = exec.Command("./lnd-itest", args...)
 
 	// Redirect stderr output to buffer
 	var errb bytes.Buffer