WIP: bktec bazel listen stub subcommand (not yet implemented)

Author: pda

.gitignore

@@ -7,6 +7,7 @@
 *.dll
 *.so
 *.dylib
+/bktec
 
 # Test binary, built with `go test -c`
 *.test

internal/bes/bes.go

@@ -0,0 +1,22 @@
+package bes
+
+import (
+	"fmt"
+	"net"
+)
+
+var host = "127.0.0.1"
+var port = 60242 // 0 for OS-allocated
+
+func Listen() error {
+	addr := fmt.Sprintf("%s:%d", host, port)
+	listener, err := net.Listen("tcp", addr)
+	if err != nil {
+		return fmt.Errorf("listening on %s: %w", addr, err)
+	}
+	fmt.Println("Bazel BES listener: grpc://" + listener.Addr().String())
+
+	// TODO
+
+	return nil
+}

main.go

@@ -7,13 +7,15 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"log"
 	"os"
 	"os/exec"
 	"strconv"
 	"syscall"
 	"time"
 
 	"github.com/buildkite/test-engine-client/internal/api"
+	"github.com/buildkite/test-engine-client/internal/bes"
 	"github.com/buildkite/test-engine-client/internal/config"
 	"github.com/buildkite/test-engine-client/internal/debug"
 	"github.com/buildkite/test-engine-client/internal/env"
@@ -69,6 +71,11 @@ func main() {
 			logErrorAndExit(16, "upload: %v", err)
 		}
 		os.Exit(0)
+	} else if flag.Arg(0) == "bazel" && flag.Arg(1) == "listen" {
+		if err := bes.Listen(); err != nil {
+			log.Fatal(err)
+		}
+		os.Exit(0)
 	}
 
 	// get config