Add support for the openSUSE Leap distributions

Add support for the openSUSE Leap distributions. Nothing special is
required for this except adding the appropriate distro variables
file and also update the zypper cache before package installation. We
also had to apply the same virtualenv-tools fix similar to CentOS.

Change-Id: I8bbf0af1149e4c5ea39f82e4fa7be78578cf6a50

meta/main.yml

@@ -9,6 +9,14 @@ galaxy_info:
     - name: Ubuntu
       versions:
         - xenial
+    - name: EL
+      versions:
+        - 7
+    - name: opensuse
+      versions:
+        - 42.1
+        - 42.2
+        - 42.3
   categories:
     - cloud
     - python

tasks/sahara_install.yml

@@ -15,7 +15,7 @@
   package:
     name: "{{ item }}"
     state: "{{ sahara_package_state }}"
-    update_cache: "{{ (ansible_pkg_mgr == 'apt') | ternary('yes', omit) }}"
+    update_cache: "{{ (ansible_pkg_mgr in ['apt', 'zypper']) | ternary('yes', omit) }}"
     cache_valid_time: "{{ (ansible_pkg_mgr == 'apt') | ternary(cache_timeout, omit) }}"
   register: install_packages
   until: install_packages|success
@@ -102,12 +102,12 @@
   notify:
     - Restart sahara services
 
-- name: CentOS remove python from path first
+- name: Remove python from path first (CentOS, openSUSE)
   file:
     path:  "{{ sahara_bin | dirname }}/bin/python2.7"
     state: "absent"
   when:
-    - ansible_pkg_mgr == 'yum'
+    - ansible_pkg_mgr in ['yum', 'zypper']
     - sahara_get_venv | changed
 
 - name: Update virtualenv path

vars/suse-42.yml

@@ -0,0 +1,18 @@
+# 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.
+
+sahara_distro_packages:
+  - cronie
+  - cronie-anacron
+  - rpcbind
+  - git-core
+  - which