[lxc-devel] [lxd/master] tests: Add alternative TCP port finder

[stgraber on Github]

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From 3024992f0bcfd7337f811efd4489954cafe769d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Graber?= <stgraber at ubuntu.com>
Date: Wed, 4 Jul 2018 11:50:08 -0400
Subject: [PATCH] tests: Add alternative TCP port finder
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Signed-off-by: Stéphane Graber <stgraber at ubuntu.com>
---
 test/includes/net.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/includes/net.sh b/test/includes/net.sh
index e6e3c2757..1b5512523 100644
--- a/test/includes/net.sh
+++ b/test/includes/net.sh
@@ -2,6 +2,19 @@
 
 # Return an available random local port
 local_tcp_port() {
+    if which python3 >/dev/null 2>&1; then
+        (
+            cat << EOF
+import socket
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.bind(('127.0.0.1', 0))
+print(s.getsockname()[1])
+s.close()
+EOF
+        ) | python3
+        return
+    fi
+
     # shellcheck disable=SC2039
     local port pid