Add support for the openSUSE Leap distributions

Add support for the openSUSE Leap distributions. Additionally,
for openSUSE, we need to load some extra apache2 modules which are
not there by default.

Change-Id: Ic6200e17b5e5b39c06166aae37bab4d31f2df817

tasks/aodh_apache.yml

@@ -14,6 +14,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# NOTE(hwoarang) default openSUSE apache2 installation is missing
+# some required modules so enable them here. This can possibly be
+# extended to other distributions if necessary.
+- name: Enable required apache2 modules (SUSE)
+  apache2_module:
+    name: "{{ item.name }}"
+    state: "{{ item.state }}"
+  with_items: "{{ aodh_apache_modules }}"
+  when:
+    - ansible_pkg_mgr ==  'zypper'
+    - aodh_apache_modules is defined
+  notify:
+    - Restart web server
+
 - name: Drop apache2 virtual host and ports file
   template:
     src: "{{ item.src }}"

tasks/aodh_install.yml

@@ -17,7 +17,7 @@
   package:
     name: "{{ item }}"
     state: "{{ aodh_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
@@ -29,7 +29,7 @@
   package:
     name: "{{ item }}"
     state: "{{ aodh_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

vars/suse-42.yml

@@ -0,0 +1,50 @@
+---
+# Copyright 2016, Rackspace US, Inc.
+# Copyright 2017, SUSE LINUX GmbH.
+#
+# 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.
+
+# Common packages
+aodh_distro_packages:
+  - rpcbind
+  - apache2
+  - apache2-utils
+  - apache2-mod_wsgi
+  - libffi-devel
+  - libopenssl-devel
+  - libxml2-devel
+  - libxslt-devel
+  - which
+
+aodh_test_distro_packages:
+  - git-core
+
+aodh_system_service_name: apache2
+
+aodh_apache_config:
+  - { src: "aodh-ports.conf.j2", dest: "/etc/apache2/conf.d/ports.conf" }
+  - { src: "aodh-httpd.conf.j2", dest: "/etc/apache2/conf.d/aodh-httpd.conf" }
+
+aodh_apache_default_sites:
+  - "/etc/apache2/conf.d/gitweb.conf"
+
+aodh_apache_conf: "/etc/apache2/httpd.conf"
+aodh_apache_security_conf: "{{ aodh_apache_conf }}"
+
+aodh_apache_modules:
+  - name: "authz_host"
+    state: "present"
+  - name: "access_compat"
+    state: "present"
+  - name: "version"
+    state: "present"