Add CentOS 7 deployment support

Remove python from path first to avoid circular issues

Change-Id: I5cf629f1c0e19c9359b7e29f3d65500f6fe87a77
(cherry picked from commit 4bfcb2c662)

meta/main.yml

@@ -23,6 +23,9 @@ galaxy_info:
     - name: Ubuntu
       versions:
         - xenial
+    - name: EL
+      versions:
+        - 7
   galaxy_tags:
     - cloud
     - openstack

tasks/barbican_install.yml

@@ -99,6 +99,14 @@
   when: barbican_get_venv | failed or barbican_get_venv | skipped
   notify: Restart barbican services
 
+- name: Remove python from path first (CentOS, openSUSE)
+  file:
+    path:  "{{ barbican_bin | dirname }}/bin/python2.7"
+    state: "absent"
+  when:
+    - ansible_pkg_mgr in ['yum', 'dnf', 'zypper']
+    - barbican_get_venv | changed
+
 - name: Update virtualenv path
   command: >
     virtualenv-tools --update-path=auto --reinitialize {{ barbican_bin | dirname }}

vars/redhat.yml

@@ -0,0 +1,26 @@
+# Copyright 2016
+#
+# 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.
+
+barbican_distro_packages:
+  - gcc
+  - gcc-c++
+  - gettext
+  - git
+  - httpd
+  - httpd-tools
+  - libffi-devel
+  - mod_wsgi
+  - openssl-devel
+  - postgresql-libs
+  - python-devel

zuul.d/project.yaml

@@ -18,8 +18,10 @@
     check:
       jobs:
         - openstack-ansible-linters
+        - openstack-ansible-functional-centos-7
         - openstack-ansible-functional-ubuntu-xenial
     gate:
       jobs:
         - openstack-ansible-linters
+        - openstack-ansible-functional-centos-7
         - openstack-ansible-functional-ubuntu-xenial