Adds in Apache2 role - Ubuntu 16.04

Building on from the previous commit https://review.openstack.org/427869
this adds in Apache2 role to host the pre-seed files and some Ubuntu
install files.

Change-Id: Ib0c2469e25f5e7a03c7c79efc201cd51f673966e

multi-node-aio-xenial-ansible/roles/apache_install/README.md

@@ -0,0 +1,23 @@
+apache_install
+=========
+
+This module installs Apache2 and configures a site
+
+Requirements
+------------
+
+This module requires Ansible 2.0+
+
+Role Variables
+--------------
+
+See defaults for variables and descriptions
+
+Example Playbook
+----------------
+
+Example to call:
+
+    - hosts: all
+      roles:
+         - { role: url: default }

multi-node-aio-xenial-ansible/roles/apache_install/defaults/main.yml

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+---
+# 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.
+#
+# name: apache_install/defaults
+# description: ALL our default variables for apache_install go in here
+#------------------------------------------------------------------------------
+# Packages - All our required packages we need installing
+#------------------------------------------------------------------------------
+
+# - pre-requisites -
+packages:                             # Packages required for apache role to work
+    - apache2
+
+# - variables -
+url: blank                            # Default sub folder
+publish_root: blank                   # What will the default path be for the apache site

multi-node-aio-xenial-ansible/roles/apache_install/handlers/main.yml

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+---
+# 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.
+#
+# name: apache_install/handlers
+# description: All our handlers for apache_install go in here
+
+- name: restart_apache2
+  service:
+    name: apache2
+    state: restarted

multi-node-aio-xenial-ansible/roles/apache_install/meta/main.yml

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+---
+# 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.
+#
+galaxy_info:
+  author: "Stuart Grace - BBC R&D"
+  license: Apache2
+  min_ansible_version: 2.0
+  platforms:
+   - name: Ubuntu
+     versions:
+      - xenial
+dependencies: []

multi-node-aio-xenial-ansible/roles/apache_install/tasks/configure.yml

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+---
+# 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.
+#
+# module: apache_install/tasks/configure
+# description: Configure apache_install
+
+- name: Create default index to show host info
+  copy:
+    content: "System - {{ ansible_fqdn }}"
+    dest: /var/www/html/index.html
+
+- name: Create control file for apache site
+  template:
+    src: sites-allowed.j2
+    dest: "/etc/apache2/sites-available/{{ url }}.conf"
+    mode: 0644
+  notify: restart_apache2
+
+- name: Create publish root path
+  file:
+    path: "{{ publish_root }}"
+    state: directory
+    recurse: yes
+
+- name: Enable apache site using symlink
+  file:
+    path: "/etc/apache2/sites-enabled/{{ url }}.conf"
+    src: "/etc/apache2/sites-available/{{ url }}.conf"
+    state: link
+  notify: restart_apache2

multi-node-aio-xenial-ansible/roles/apache_install/tasks/install.yml

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+---
+# 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.
+#
+# module: apache_install/tasks/install
+# description: Install our required packages for apache_install
+
+- name: Install all required packages for apache_install
+  apt:
+    pkg: "{{ packages }}"
+    state: latest
+
+- name: Make sure Apache2 is enabled
+  service:
+    name: apache2
+    enabled: yes

multi-node-aio-xenial-ansible/roles/apache_install/tasks/main.yml

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+---
+# 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.
+#
+# module: apache_install/tasks
+# description: Install apache onto an Ubuntu 16.xx server
+
+- include: install.yml
+- include: configure.yml

multi-node-aio-xenial-ansible/roles/apache_install/templates/sites-allowed.j2

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+### MANAGED BY {{ role_path|basename }} ANSIBLE ROLE ###
+
+Alias /{{ url }} {{ publish_root }}
+<Directory {{ publish_root }}>
+	Require all granted
+	Options +Indexes
+</Directory>