Update Gemfile and Makefile configuration
  - One Gemfile for all formulas tests
  - Update Makefile for OpenStack tests

Fixes: PROD-24408 (PROD:24408)
Change-Id: I234141345f1d6e7d2fc7da0198adab4ee688e6eb
diff --git a/.travis.yml b/.travis.yml
index dc2b8e1..b62dd9b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,15 +14,9 @@
   - pip install PyYAML
   - pip install virtualenv
   - |
-    test -e Gemfile || cat <<EOF > Gemfile
-    source 'https://rubygems.org'
-    gem 'rake'
-    gem 'test-kitchen'
-    gem 'kitchen-docker'
-    gem 'kitchen-inspec'
-    gem 'inspec', '<3.0.0'
-     #Version was frozen, because of issues in the version of inspec >3.0.0 -- see https://mirantis.jira.com/browse/PROD-24324 for more info, '<3.0.0'
-    gem 'kitchen-salt', :git => 'https://github.com/salt-formulas/kitchen-salt.git'
+    if [ ! -e Gemfile ]; then
+       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:
@@ -30,11 +24,6 @@
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=server
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=server_kernel_module
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=server
-#
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=server_kernel_module
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 SUITE=server
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=server_kernel_module
-  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 SUITE=server
 
 before_script:
   - set -o pipefail
diff --git a/Makefile b/Makefile
index d166862..fb69046 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,11 @@
 JOBS := 1
 endif
 
+ifeq (,$(wildcard ./.kitchen.openstack.yml))
+KITCHEN_LOCAL_YAML?=.kitchen.openstack.yml
+else
 KITCHEN_LOCAL_YAML?=.kitchen.yml
+endif
 KITCHEN_OPTS?="--concurrency=$(JOBS)"
 KITCHEN_OPTS_CREATE?=""
 KITCHEN_OPTS_CONVERGE?=""