Add Centos-8 support

This builds lsyncd from source files for CentOS 8 as there is no package
for it.

Change-Id: Iab8d28c32e534e62759dc2bc72bd6368fbea471d

defaults/main.yml

@@ -25,10 +25,10 @@ cache_timeout: 600
 
 ## Centos EPEL repository options
 repo_centos_epel_mirror: "{{ centos_epel_mirror | default('http://download.fedoraproject.org/pub/epel') }}"
-repo_centos_epel_key: "{{ centos_epel_key | default('http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7') }}"
+repo_centos_epel_key: "{{ centos_epel_key | default('http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-' ~ ansible_distribution_major_version) }}"
 
 ## Centos NGINX repository options
-repo_centos_nginx_mirror: "{{ centos_nginx_mirror | default('http://nginx.org/packages/centos/7/$basearch/') }}"
+repo_centos_nginx_mirror: "{{ centos_nginx_mirror | default('http://nginx.org/packages/centos/$releasever/$basearch') }}"
 repo_centos_nginx_key: "{{ centos_nginx_key | default('http://nginx.org/keys/nginx_signing.key') }}"
 
 # Set the package install state for distribution and pip packages

tasks/repo_install.yml

@@ -27,8 +27,8 @@
 - name: Install the EPEL repository
   yum_repository:
     name: epel-repo_server
-    baseurl: "{{ repo_centos_epel_mirror ~ '/' ~ ansible_distribution_major_version ~ '/' ~ ansible_architecture }}"
-    description: 'Extra Packages for Enterprise Linux 7 - $basearch'
+    baseurl: "{{ repo_centos_epel_mirror ~ '/' ~ repo_centos_epel_base }}"
+    description: 'Extra Packages for Enterprise Linux'
     gpgcheck: yes
     enabled: yes
     state: present

tasks/repo_install_lsyncd.yml

@@ -0,0 +1,59 @@
+---
+# Copyright 2020, VEXXHOST, Inc.
+#
+# 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: Install devel packages
+  package:
+    name: "{{ repo_server_build_packages }}"
+    state: installed
+    enablerepo: "{{ (ansible_os_family | lower == 'redhat' and ansible_distribution_major_version is version('8', '=')) | ternary('PowerTools', omit) }}"
+
+- name: Create temporary directory for build
+  tempfile:
+    state: directory
+  register: lsync_build
+
+- name: Clone lsyncd repository
+  git:
+    repo: "{{ repo_server_lsyncd_repo }}"
+    dest: "{{ lsync_build.path }}"
+    version: "{{ repo_server_lsyncd_version }}"
+    update: no
+
+- name: Install lsync
+  command: "{{ item }}"
+  args:
+    chdir: "{{ lsync_build.path }}"
+  changed_when: false
+  with_items:
+    - 'cmake .'
+    - 'make'
+    - 'make install'
+
+- name: Run the systemd service role
+  import_role:
+    name: systemd_service
+  vars:
+    systemd_slice_name: lsyncd
+    systemd_lock_path: /var/lock/lsync
+    systemd_services:
+      - service_name: lsyncd
+        state: started
+        enabled: yes
+        execstarts: /usr/local/bin/lsyncd -nodaemon /etc/lsyncd/lsyncd.conf.lua
+
+- name: Cleanup temporary build folder
+  file:
+    path: "{{ lsync_build.path }}"
+    state: absent

tasks/repo_sync_manager.yml

@@ -13,6 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+- name: Install lsyncd from source
+  include_tasks: repo_install_lsyncd.yml
+  when:
+    - ansible_os_family | lower == 'redhat'
+    - ansible_distribution_major_version is version('8', '=')
+  tags:
+    - build-lsyncd
+
 - name: Deploy lsyncd configuration file
   template:
     src: "{{ item.src }}"

vars/redhat-7.yml

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+repo_centos_epel_base: "{{ ansible_distribution_major_version ~ '/' ~ ansible_architecture }}"
+
 systemd_utils_prefix: "/lib/systemd"
 
 repo_nginx_pid: /run/nginx.pid
@@ -25,7 +27,6 @@ repo_server_distro_packages:
   - nginx
   - openssh-server
   - rsync
-  - "{% if ansible_distribution_major_version|int > 7 %}rsync-daemon{% endif %}"
   - sudo
 
 repo_lsyncd_config_file: /etc/lsyncd.conf

vars/redhat-8.yml

@@ -0,0 +1,48 @@
+---
+# Copyright 2016, Walmart Stores, Inc.
+#
+# 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.
+
+repo_centos_epel_base: "{{ ansible_distribution_major_version ~ '/Everything/' ~ ansible_architecture }}"
+
+systemd_utils_prefix: "/lib/systemd"
+
+repo_nginx_pid: /run/nginx.pid
+
+git_daemon_path: /usr/libexec/git-core/git-daemon
+rsyncd_service_name: rsyncd
+
+repo_server_lsyncd_repo: https://github.com/axkibe/lsyncd
+repo_server_lsyncd_version: master
+
+# Installing this to build lsyncd from source
+repo_server_build_packages:
+  - automake
+  - cmake
+  - gcc
+  - gcc-c++
+  - lua-devel
+  - make
+
+repo_server_distro_packages:
+  - git-daemon
+  - nginx
+  - openssh-server
+  - rsync
+  - rsync-daemon
+  - sudo
+
+repo_lsyncd_config_file: /etc/lsyncd.conf
+repo_lsyncd_defaults_file: /etc/sysconfig/lsyncd
+
+repo_server_sshd: sshd