set correct etc config directory for default consul behavior

recipes/_service.rb

@@ -131,7 +131,13 @@
 
 case node['consul']['init_style']
 when 'init'
-  template '/etc/sysconfig/consul' do
+  if platform_family?('debian')
+    etc_config_dir = '/etc/default/consul'
+  else
+    etc_config_dir = '/etc/sysconfig/consul'
+  end
+
+  template etc_config_dir do
     source 'consul-sysconfig.erb'
     mode 0755
     notifies :create, 'template[/etc/init.d/consul]', :immediately

spec/unit/recipes/_service_spec.rb

@@ -18,6 +18,22 @@
         .with(group: 'root')
         .with(mode: 0600)
     end
+    it do
+      expect(chef_run).to create_template('/etc/init.d/consul')
+        .with(source: 'consul-init.erb')
+        .with(mode: 0755)
+    end
+    it do
+      expect(chef_run).to enable_service('consul')
+        .with(supports: {status: true, restart: true, reload: true})
+      expect(chef_run).to start_service('consul')
+    end
+  end
+
+  context 'config on centos' do
+    let(:chef_run) do
+      ChefSpec::Runner.new(platform: 'centos', version: '6.3').converge(described_recipe)
+    end
     it do
       expect(chef_run).to create_template('/etc/sysconfig/consul')
         .with(source: 'consul-sysconfig.erb')
@@ -26,15 +42,19 @@
     it do
       expect(chef_run).to render_file('/etc/sysconfig/consul').with_content('GOMAXPROCS=1')
     end
+  end
+
+  context 'config on ubuntu' do
+    let(:chef_run) do
+      ChefSpec::Runner.new(platform: 'ubuntu', version: '14.04').converge(described_recipe)
+    end
     it do
-      expect(chef_run).to create_template('/etc/init.d/consul')
-        .with(source: 'consul-init.erb')
+      expect(chef_run).to create_template('/etc/default/consul')
+        .with(source: 'consul-sysconfig.erb')
         .with(mode: 0755)
     end
     it do
-      expect(chef_run).to enable_service('consul')
-        .with(supports: {status: true, restart: true, reload: true})
-      expect(chef_run).to start_service('consul')
+      expect(chef_run).to render_file('/etc/default/consul').with_content('GOMAXPROCS=1')
     end
   end