Adds CentOS 7 support

Fix circular python issues, same fix in Keystone and Barbican

Change-Id: I77e60ed42ab43e3f5984b8a52dc5898325df1c8e

meta/main.yml

@@ -10,6 +10,9 @@ galaxy_info:
   - name: Ubuntu
     versions:
     - xenial
+  - name: EL
+    versions:
+    - 7
   galaxy_tags:
    - cloud
    - openstack

tasks/trove_install.yml

@@ -113,6 +113,14 @@
     - Restart trove taskmanager service
     - Restart Apache
 
+- name: Remove python from path first (CentOS, openSUSE)
+  file:
+    path:  "{{ trove_bin | dirname }}/bin/python2.7"
+    state: "absent"
+  when:
+    - ansible_pkg_mgr in ['yum', 'dnf', 'zypper']
+    - trove_get_venv | changed
+
 - name: Update virtualenv path
   command: >
     virtualenv-tools --update-path=auto --reinitialize {{ trove_bin | dirname }}

vars/redhat.yml

@@ -0,0 +1,31 @@
+---
+# Copyright 2017
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# (c) 2016 Donovan Francesco <donovan.francesco@is.co.za>
+# (c) 2016 Paul Stevens <paul.stevens@is.co.za>
+cache_timeout: 600
+
+trove_distro_packages:
+  - gcc
+  - gcc-c++
+  - git
+  - httpd
+  - httpd-tools
+  - libxslt-devel
+  - mariadb
+  - mod_wsgi
+  - python-devel
+  - python-pip
+  - qemu-img

zuul.d/project.yaml

@@ -19,7 +19,9 @@
       jobs:
         - openstack-ansible-linters
         - openstack-ansible-functional-ubuntu-xenial
+        - openstack-ansible-functional-centos-7
     gate:
       jobs:
         - openstack-ansible-linters
         - openstack-ansible-functional-ubuntu-xenial
+        - openstack-ansible-functional-centos-7