add support for percona-cluster as db backend

- added percona-cluster as option to the proper openstack attributes

Change-Id: I0ccdc6efbdfa3d72bdc63a49b3cd0fd1630babe1
Implements Blueprint: galera-and-percona-support

attributes/database.rb

@@ -82,6 +82,7 @@ default['openstack']['db']['server_role'] = 'os-ops-database'
 # Database charset during create database
 default['openstack']['db']['charset'] = {
   mysql: 'utf8',
+  'percona-cluster' => 'utf8',
   mariadb: 'utf8',
   postgresql: nil,
   pgsql: nil,
@@ -94,6 +95,7 @@ default['openstack']['db']['charset'] = {
 # Database connection options. Should include starting '?'
 default['openstack']['db']['options'] = {
   mysql: "?charset=#{node['openstack']['db']['charset']['mysql']}",
+  'percona-cluster' => "?charset=#{node['openstack']['db']['charset']['percona-cluster']}",
   mariadb: "?charset=#{node['openstack']['db']['charset']['mariadb']}",
   postgresql: '',
   sqlite: '',
@@ -112,6 +114,7 @@ when 'rhel'
   default['openstack']['db']['service_type'] = 'mariadb'
   default['openstack']['db']['python_packages']['mysql'] = ['MySQL-python']
   default['openstack']['db']['python_packages']['mariadb'] = ['MySQL-python']
+  default['openstack']['db']['python_packages']['percona-cluster'] = ['MySQL-python']
   default['openstack']['db']['python_packages']['db2'] = ['python-ibm-db', 'python-ibm-db-sa']
   default['openstack']['db']['python_packages']['galera'] = ['MySQL-python']
 when 'suse'
@@ -119,10 +122,12 @@ when 'suse'
   default['openstack']['db']['python_packages']['mysql'] = ['python-mysql']
   default['openstack']['db']['python_packages']['mariadb'] = ['python-mysql']
   default['openstack']['db']['python_packages']['galera'] = ['python-mysql']
+  default['openstack']['db']['python_packages']['percona-cluster'] = ['python-mysql']
 when 'debian'
   default['openstack']['db']['service_type'] = 'mysql'
   default['openstack']['db']['python_packages']['mysql'] = ['python-mysqldb']
   default['openstack']['db']['python_packages']['mariadb'] = ['python-mysqldb']
+  default['openstack']['db']['python_packages']['percona-cluster'] = ['python-mysqldb']
   default['openstack']['db']['python_packages']['db2'] = ['ibm-db', 'ibm-db-sa']
   default['openstack']['db']['python_packages']['galera'] = ['python-mysqldb']
 end

libraries/endpoints.rb

@@ -74,7 +74,7 @@ module ::Openstack
       end
     when 'pgsql'
       type = 'postgresql'
-    when 'mariadb', 'galera'
+    when 'mariadb', 'galera', 'percona-cluster'
       type = 'mysql'
     end
 

metadata.rb

@@ -4,7 +4,7 @@ maintainer_email 'opscode-chef-openstack@googlegroups.com'
 license 'Apache 2.0'
 description 'Common OpenStack attributes, libraries and recipes.'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version '11.5.0'
+version '11.5.1'
 
 recipe 'openstack-common', 'Installs/Configures common recipes'
 recipe 'openstack-common::set_endpoints_by_interface', 'Set endpoints by interface'

spec/endpoints_spec.rb

@@ -393,13 +393,15 @@ describe 'openstack-common::set_endpoints_by_interface' do
         ).to eq(expected)
       end
 
-      it 'returns compute db info hash when service found for galera' do
-        node.set['openstack']['db']['service_type'] = 'galera'
-        allow(subject).to receive(:node).and_return(chef_run.node)
-        expected = 'mysql://user:pass@127.0.0.1:3306/nova?charset=utf8'
-        expect(
-          subject.db_uri('compute', 'user', 'pass')
-        ).to eq(expected)
+      %w(galera percona-cluster).each do |db|
+        it "returns compute db info hash when service found for #{db}" do
+          node.set['openstack']['db']['service_type'] = db
+          allow(subject).to receive(:node).and_return(chef_run.node)
+          expected = 'mysql://user:pass@127.0.0.1:3306/nova?charset=utf8'
+          expect(
+            subject.db_uri('compute', 'user', 'pass')
+          ).to eq(expected)
+        end
       end
     end