1 files changed, 40 insertions, 0 deletions
diff --git a/internal/helper/helper.go b/internal/helper/helper.go
new file mode 100644
index 000000000..9886afd69
--- /dev/null
+++ b/internal/helper/helper.go
@@ -0,0 +1,40 @@
+package helper
+
+import (
+	"log"
+	"net/http"
+	"os/exec"
+	"syscall"
+)
+
+func Fail500(w http.ResponseWriter, r *http.Request, err error) {
+	http.Error(w, "Internal server error", 500)
+	printError(r, err)
+}
+
+func LogError(r *http.Request, err error) {
+	printError(r, err)
+}
+
+func printError(r *http.Request, err error) {
+	if r != nil {
+		log.Printf("error: %s %q: %v", r.Method, r.RequestURI, err)
+	} else {
+		log.Printf("error: %v", err)
+	}
+}
+
+func CleanUpProcessGroup(cmd *exec.Cmd) {
+	if cmd == nil {
+		return
+	}
+
+	process := cmd.Process
+	if process != nil && process.Pid > 0 {
+		// Send SIGTERM to the process group of cmd
+		syscall.Kill(-process.Pid, syscall.SIGTERM)
+	}
+
+	// reap our child process
+	cmd.Wait()
+}