Display logs and exit the container upon encountering an error.

scripts/run-tests.sh

@@ -2,6 +2,9 @@
 
 set -e
 
+OPENFAAS_CONTAINER_MAX_ATTEMPS=5
+OPENFAAS_CONTAINER_ATTEMPS=0
+
 OPENFAAS_CONTAINER="openfaas"
 
 QUERY_ENGINE_SERVICE="query-engine"
@@ -19,8 +22,25 @@ if ! docker ps --format '{{.Names}}' | grep -q "$OPENFAAS_CONTAINER"; then
     unset REMOTE
 fi
 
-while ! docker exec $OPENFAAS_CONTAINER pgrep -f $QUERY_ENGINE_SERVICE >/dev/null; do
+while ! docker exec "$OPENFAAS_CONTAINER" pgrep -f "$QUERY_ENGINE_SERVICE" >/dev/null; do
+    OPENFAAS_EXIT_CODE=$(docker inspect --format='{{.State.ExitCode}}' "$OPENFAAS_CONTAINER")
+
+    if [ "$OPENFAAS_CONTAINER_ATTEMPS" -gt "$OPENFAAS_CONTAINER_MAX_ATTEMPS" ]; then
+        echo "Exceeded maximum attempts to start the container $OPENFAAS_CONTAINER"
+        docker logs "$OPENFAAS_CONTAINER"
+        exit 1
+    fi
+
+    if [ "$OPENFAAS_EXIT_CODE" -gt 0 ]; then
+        echo "The container $OPENFAAS_CONTAINER exited with status code $OPENFAAS_EXIT_CODE"
+        docker logs "$OPENFAAS_CONTAINER"
+        exit 1
+    fi
+
     echo "Waiting for $QUERY_ENGINE_SERVICE in container $OPENFAAS_CONTAINER to start..."
+
+    OPENFAAS_CONTAINER_ATTEMPS=$(($OPENFAAS_CONTAINER_ATTEMPS + 1))
+
     sleep 10
 done