SEBA-573 Retry TOSCA loading instead of crashing

Change-Id: I25aac9ac5c173f9a5a8d331365104e805632a2c6
diff --git a/loader/tosca-loader.sh b/loader/tosca-loader.sh
index dfd8e82..f4d7372 100755
--- a/loader/tosca-loader.sh
+++ b/loader/tosca-loader.sh
@@ -22,11 +22,16 @@
 for recipe in /opt/tosca/*
 do
   echo "Loading: $recipe, started at $(date -u '+%Y%m%d%H%M%SZ')"
-  http --check-status --ignore-stdin \
+  until http --check-status --ignore-stdin \
        POST "http://xos-tosca:$XOS_TOSCA_SERVICE_PORT/run" \
        "xos-username:$XOS_USER" \
        "xos-password:$XOS_PASSWD" \
-       "@$recipe" || exit 1
+       "@$recipe"
+  do
+    echo ''
+    echo 'Retrying in 15 seconds...'
+    sleep 15
+  done
   echo ''
   echo "Finished loading at $(date -u '+%Y%m%d%H%M%SZ')"
 done