using mariadb for mysql server/client for rhel7

CHANGELOG.md

@@ -1,3 +1,4 @@
+- Using mariadb as a binary compatible replacement for mysql for rhel 7 servers
 - Updated the monit systemd config to prevent systemd from sending the kill signal to processes monitored by monit.
 # v340 2015-05-05
 - Reverts a breaking commit that resulted in an invalid deploy destination

mysql/attributes/server.rb

@@ -23,6 +23,13 @@
 
 default[:mysql][:server_root_password] = root_pw
 
+if platform?("redhat") && Chef::VersionConstraint.new("~> 7.0").include?(node["platform_version"])
+  default[:mysql][:provider] = 'mariadb'
+else
+  default[:mysql][:provider] = 'mysql'
+end
+
+
 debian_pw = String.new
 while debian_pw.length < 20
   debian_pw << OpenSSL::Random.random_bytes(1).gsub(/\W/, '')
@@ -37,7 +44,7 @@
 case node[:platform]
 when 'centos','redhat','fedora','amazon'
   default[:mysql][:datadir]              = '/var/lib/mysql'
-  default[:mysql][:logdir]               = '/var/log/mysql'
+  default[:mysql][:logdir]               = "/var/log/#{node[:mysql][:provider]}"
   default[:mysql][:basedir]              = '/usr'
   default[:mysql][:user]                 = 'mysql'
   default[:mysql][:group]                = 'mysql'
@@ -48,7 +55,11 @@
   set[:mysql][:conf_dir]                 = '/etc'
   set[:mysql][:confd_dir]                = '/etc/mysql/conf.d'
   set[:mysql][:socket]                   = '/var/lib/mysql/mysql.sock'
-  set[:mysql][:pid_file]                 = '/var/run/mysqld/mysqld.pid'
+  if node[:mysql][:provider] == "mariadb"
+    set[:mysql][:pid_file]                 = "/var/run/mariadb/mysqld.pid"
+  else
+    set[:mysql][:pid_file]                 = "/var/run/mysqld/mysqld.pid"
+  end
   set[:mysql][:grants_path]              = '/etc/mysql_grants.sql'
 when 'debian','ubuntu'
   default[:mysql][:datadir]              = '/var/lib/mysql'

mysql/recipes/client_install.rb

@@ -1,15 +1,16 @@
-package 'mysql-devel' do
-  package_name value_for_platform(
-    ['centos','redhat','fedora','amazon'] => {'default' => 'mysql-devel'},
-    'ubuntu' => {'default' => 'libmysqlclient-dev'}
-  )
-  action :install
+# for backwards compatiblity default provider to mysql
+default[:mysql][:provider] = "mysql" unless default[:mysql].key?(:provider)
+
+case node[:platform]
+when "redhat", "centos", "fedora", "amazon"
+  package "#{node[:mysql][:provider]}-devel"
+else "ubuntu"
+  package "libmysqlclient-dev"
 end
 
-package 'mysql-client' do
-  package_name value_for_platform(
-    ['centos','redhat','fedora','amazon'] => {'default' => 'mysql'},
-    'default' => 'mysql-client'
-  )
-  action :install
+case node[:platform]
+when "redhat", "centos", "fedora", "amazon"
+  package node[:mysql][:provider]
+else "ubuntu"
+  package "mysql-client"
 end

mysql/recipes/server.rb

@@ -3,7 +3,10 @@
 include_recipe 'mysql::client'
 include_recipe 'mysql::prepare'
 
-package 'mysql-server'
+# for backwards compatiblity default provider to mysql
+default[:mysql][:provider] = "mysql" unless default[:mysql].key?(:provider)
+
+package "#{node[:mysql][:provider]}-server"
 
 if platform?('ubuntu') && node[:platform_version].to_f < 10.04
   remote_file '/tmp/mysql_init.patch' do
@@ -26,11 +29,11 @@
 
 include_recipe 'mysql::service'
 
-service 'mysql' do
+service node[:mysql][:provider] do
   action :enable
 end
 
-service 'mysql' do
+service node[:mysql][:provider] do
   action :stop
 end
 

mysql/recipes/service.rb

@@ -1,8 +1,18 @@
-service 'mysql' do
-  service_name value_for_platform(
-    ['centos','redhat','fedora','amazon'] => {'default' => 'mysqld'},
-    'default' => 'mysql'
-  )
+# for backwards compatiblity default provider to mysql
+default[:mysql][:provider] = "mysql" unless default[:mysql].key?(:provider)
+
+service "mysql" do
+  case node[:platform]
+  when "redhat", "centos", "fedora", "amazon"
+    if node[:mysql][:provider] == "mariadb"
+      service_name "mariadb"
+    else
+      service_name "mysqld"
+    end
+  else
+    service_name "mysql"
+  end
+
   if platform?('ubuntu') && node[:platform_version].to_f >= 10.04
       provider Chef::Provider::Service::Upstart
   end

opsworks_initial_setup/attributes/default.rb

@@ -71,11 +71,18 @@
   default[:opsworks_initial_setup][:ephemeral_mount_point] = "/mnt"
 end
 
+if platform?("redhat") && Chef::VersionConstraint.new("~> 7.0").include?(node["platform_version"])
+  default[:opsworks_initial_setup][:mysql]     = 'mariadb'
+else
+  default[:opsworks_initial_setup][:mysql]     = 'mysql'
+end
+
 default[:opsworks_initial_setup][:bind_mounts][:mounts] = {
-  '/var/log/mysql' => "#{node[:opsworks_initial_setup][:ephemeral_mount_point]}/var/log/mysql",
+  "/var/log/#{node[:opsworks_initial_setup][:mysql]}" => "#{node[:opsworks_initial_setup][:ephemeral_mount_point]}/var/log/#{node[:opsworks_initial_setup][:mysql]}",
   '/srv/www' => "#{node[:opsworks_initial_setup][:ephemeral_mount_point]}/srv/www",
   '/var/www' => "#{node[:opsworks_initial_setup][:ephemeral_mount_point]}/var/www",
 }
+
 case node[:platform]
 when 'redhat','centos','fedora','amazon'
   default[:opsworks_initial_setup][:bind_mounts][:mounts]['/var/log/httpd'] = "#{node[:opsworks_initial_setup][:ephemeral_mount_point]}/var/log/apache2"