goreplay-cli package (#1148)

change package from `main -> goreplay`
this will allow importing `goreplay` as a package

Author: DimaGolomozy

Makefile

@@ -31,19 +31,19 @@ vendor:
 	go mod vendor
 
 release-bin-linux-amd64: vendor
-	docker run --platform linux/amd64 --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER_AMD) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
+	docker run --platform linux/amd64 --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER_AMD) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS) ./cmd/gor/
 
 release-bin-linux-arm64: vendor
-	docker run --platform linux/arm64 --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=arm64 -i $(CONTAINER_ARM) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
+	docker run --platform linux/arm64 --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=arm64 -i $(CONTAINER_ARM) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS) ./cmd/gor/
 
 release-bin-mac-amd64: vendor
-	GOOS=darwin go build -mod=vendor -o $(BIN_NAME) $(MAC_LDFLAGS)
+	GOOS=darwin go build -mod=vendor -o $(BIN_NAME) $(MAC_LDFLAGS) ./cmd/gor/
 
 release-bin-mac-arm64: vendor
 	GOOS=darwin GOARCH=arm64 CGO_ENABLED=1 go build -mod=vendor -o $(BIN_NAME) $(MAC_LDFLAGS)
 
 release-bin-windows: vendor
-	docker run -it --rm -v `pwd`:$(SOURCE_PATH) -w $(SOURCE_PATH) -e CGO_ENABLED=1 docker.elastic.co/beats-dev/golang-crossbuild:1.19.2-main --build-cmd "make VERSION=$(VERSION) build" -p "windows/amd64"
+	docker run -it --rm -v `pwd`:$(SOURCE_PATH) -w $(SOURCE_PATH) -e CGO_ENABLED=1 docker.elastic.co/beats-dev/golang-crossbuild:1.19.2-main --build-cmd "make VERSION=$(VERSION) build" -p "windows/amd64" ./cmd/gor/
 	mv $(BIN_NAME) "$(BIN_NAME).exe"
 
 release-linux-amd64: dist release-bin-linux-amd64

gor.go renamed to cmd/gor/gor.go

@@ -6,6 +6,7 @@ import (
 	"expvar"
 	"flag"
 	"fmt"
+	"github.com/buger/goreplay"
 	"log"
 	"net/http"
 	"net/http/httputil"
@@ -71,23 +72,23 @@ func main() {
 	}
 
 	args := os.Args[1:]
-	var plugins *InOutPlugins
+	var plugins *goreplay.InOutPlugins
 	if len(args) > 0 && args[0] == "file-server" {
 		if len(args) != 2 {
 			log.Fatal("You should specify port and IP (optional) for the file server. Example: `gor file-server :80`")
 		}
 		dir, _ := os.Getwd()
 
-		Debug(0, "Started example file server for current directory on address ", args[1])
+		goreplay.Debug(0, "Started example file server for current directory on address ", args[1])
 
 		log.Fatal(http.ListenAndServe(args[1], loggingMiddleware(args[1], http.FileServer(http.Dir(dir)))))
 	} else {
 		flag.Parse()
-		checkSettings()
-		plugins = NewPlugins()
+		goreplay.CheckSettings()
+		plugins = goreplay.NewPlugins()
 	}
 
-	log.Printf("[PPID %d and PID %d] Version:%s\n", os.Getppid(), os.Getpid(), VERSION)
+	log.Printf("[PPID %d and PID %d] Version:%s\n", os.Getppid(), os.Getpid(), goreplay.VERSION)
 
 	if len(plugins.Inputs) == 0 || len(plugins.Outputs) == 0 {
 		log.Fatal("Required at least 1 input and 1 output")
@@ -101,20 +102,20 @@ func main() {
 		profileCPU(*cpuprofile)
 	}
 
-	if Settings.Pprof != "" {
+	if goreplay.Settings.Pprof != "" {
 		go func() {
-			log.Println(http.ListenAndServe(Settings.Pprof, nil))
+			log.Println(http.ListenAndServe(goreplay.Settings.Pprof, nil))
 		}()
 	}
 
 	closeCh := make(chan int)
-	emitter := NewEmitter()
-	go emitter.Start(plugins, Settings.Middleware)
-	if Settings.ExitAfter > 0 {
-		log.Printf("Running gor for a duration of %s\n", Settings.ExitAfter)
+	emitter := goreplay.NewEmitter()
+	go emitter.Start(plugins, goreplay.Settings.Middleware)
+	if goreplay.Settings.ExitAfter > 0 {
+		log.Printf("Running gor for a duration of %s\n", goreplay.Settings.ExitAfter)
 
-		time.AfterFunc(Settings.ExitAfter, func() {
-			log.Printf("gor run timeout %s\n", Settings.ExitAfter)
+		time.AfterFunc(goreplay.Settings.ExitAfter, func() {
+			log.Printf("gor run timeout %s\n", goreplay.Settings.ExitAfter)
 			close(closeCh)
 		})
 	}