Update configuration of OpenStack tests

Change-Id: I4eac0dc4748436c0896f0a552279a57fd7003792
diff --git a/.travis.yml b/.travis.yml
index 695ee96..ebbd003 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,17 +2,24 @@
 python:
 - "2.7.13"
 sudo: required
+services:
+  - docker
 
 install:
+  - pip install PyYAML
+  - pip install virtualenv
   - |
-    git clone https://gerrit.mcp.mirantis.com/salt-formulas/salt-formulas-scripts
-    sudo -H bash ./salt-formulas-scripts/bootstrap-openstack-kitchen.sh
+    if [ ! -e Gemfile ]; then
+      echo $PWD
+      curl -s -o ./Gemfile 'https://gerrit.mcp.mirantis.com/gitweb?p=salt-formulas/salt-formulas-scripts.git;a=blob_plain;f=Gemfile;hb=refs/heads/master'
+    fi
+  - bundle install
 
 env:
-  - UBUNTU_DISTRO=xenial SALT_VERSION=2018.3 SUITE=iptables
-  - UBUNTU_DISTRO=xenial SALT_VERSION=2017.7 SUITE=iptables
-  - UBUNTU_DISTRO=bionic SALT_VERSION=2018.3 SUITE=iptables
-  - UBUNTU_DISTRO=bionic SALT_VERSION=2017.7 SUITE=iptables
+  - UBUNTU_DISTRO=xenial SALT_VERSION='2018.3.0' SUITE=iptables
+  - UBUNTU_DISTRO=xenial SALT_VERSION='2017.7.0' SUITE=iptables
+  # - UBUNTU_DISTRO=bionic SALT_VERSION='2018.3' SUITE=iptables
+  # - UBUNTU_DISTRO=bionic SALT_VERSION='2017.7' SUITE=iptables
 
 before_script:
   - set -o pipefail