Initial commit

util/util.go

@@ -0,0 +1,45 @@
+package util
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+	"strings"
+
+	// Vendors
+	"github.com/Sirupsen/logrus"
+)
+
+const CmdNotFound = "Command Not Found"
+
+func ExecuteCommand(command string, args ...string) (string, string) {
+	logrus.Debug(command, " ", args)
+
+	cmd := exec.Command(command, args...)
+	var out bytes.Buffer
+	var errMsg bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &errMsg
+	err := cmd.Run()
+	if err != nil {
+		if strings.Contains(err.Error(), "not found") {
+			return "", CmdNotFound
+		}
+		return "", errMsg.String()
+	}
+	return out.String(), errMsg.String()
+}
+
+func ExecuteCommandString(command string) (string, string) {
+	out, errMsg := ExecuteCommand("bash",
+		"-c",
+		command)
+
+	return out, errMsg
+}
+
+func LogError(format string, args ...interface{}) error {
+	logrus.Errorf(format, args...)
+	return fmt.Errorf(format, args...)
+}
+