From 4ab8a6f67eb9de0de40d478cb0cbec05b1b725c0 Mon Sep 17 00:00:00 2001
From: baude <bbaude@redhat.com>
Date: Mon, 22 Mar 2021 13:29:25 -0500
Subject: Improvements for machine

clean up ci failures and add appropriate arch,os exclusion tags

Signed-off-by: baude <bbaude@redhat.com>
---
 utils/ports.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 utils/ports.go

(limited to 'utils/ports.go')

diff --git a/utils/ports.go b/utils/ports.go
new file mode 100644
index 000000000..0a4f67dcc
--- /dev/null
+++ b/utils/ports.go
@@ -0,0 +1,26 @@
+package utils
+
+import (
+	"net"
+	"strconv"
+
+	"github.com/pkg/errors"
+)
+
+// Find a random, open port on the host
+func GetRandomPort() (int, error) {
+	l, err := net.Listen("tcp", ":0")
+	if err != nil {
+		return 0, errors.Wrapf(err, "unable to get free TCP port")
+	}
+	defer l.Close()
+	_, randomPort, err := net.SplitHostPort(l.Addr().String())
+	if err != nil {
+		return 0, errors.Wrapf(err, "unable to determine free port")
+	}
+	rp, err := strconv.Atoi(randomPort)
+	if err != nil {
+		return 0, errors.Wrapf(err, "unable to convert random port to int")
+	}
+	return rp, nil
+}
-- 
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