From 581eed1b87cbd5218e5bb84b4636cb7a305ea073 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Mon, 17 Dec 2018 15:00:07 +0100
Subject: [PATCH] new: [apache] complain if no first exposed port was found

---
 apache/lib/common | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apache/lib/common b/apache/lib/common
index 725c9c9e..b857d172 100644
--- a/apache/lib/common
+++ b/apache/lib/common
@@ -555,6 +555,10 @@ __vhost_proxy_statement() {
             docker pull "$base_image"
         fi
         first_exposed_port=$(image_exposed_ports_0 "$base_image" | tr '\0' '\n' | head -n 1 | cut -f 1 -d /) || return 1
+        if [ -z "$first_exposed_port" ]; then
+            err "Failed to get first exposed port of image '$base_image'."
+            return 1
+        fi
         TARGET=$MASTER_BASE_SERVICE_NAME:$first_exposed_port
         info "No target was specified, introspection found: $TARGET"
     fi