Add check whether env vars are set

This patch adds a check whether all environment variables expected to be
set are actually set.

Suggested-by: Didier Wenzek <didier.wenzek@free.fr>
Signed-off-by: Matthias Beyer <matthias.beyer@ifm.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/ci/configure_bridge.sh b/ci/configure_bridge.sh
index 25b8841d..cba16a3e 100755
--- a/ci/configure_bridge.sh
+++ b/ci/configure_bridge.sh
@@ -1,5 +1,14 @@
 #!/bin/bash
 
+for variable in C8YURL C8YUSERNAME C8YPASSWORD C8YDEVICE C8YTENANT C8YDEVICEID;
+do
+    declare -n var_ref=$variable
+    if [ -z "${var_ref}" ]; then
+        echo "$variable not set"
+        exit 1
+    fi
+done
+
 echo "Disconnect old bridge"
 
 # Disconnect - may fail if not there