Cleanup minor rubocop offenses

Cleaned up all the minor rubocop issues, the ones left relate to
complex logic and what I think is a bug in rubocop for nested
vs compact modules/class definitions.

Change-Id: I80b0e9671a787e208622b7eed82494f08e288438

.rubocop_todo.yml

@@ -1,27 +1,11 @@
 # This configuration was generated by `rubocop --auto-gen-config`
-# on 2015-02-27 14:24:09 -0600 using RuboCop version 0.29.1.
+# on 2015-05-29 12:01:24 -0500 using RuboCop version 0.29.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 3
+# Offense count: 4
 # Configuration parameters: EnforcedStyle, SupportedStyles.
 Style/ClassAndModuleChildren:
   Enabled: false
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Style/EmptyLiteral:
-  Enabled: false
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: PreferredDelimiters.
-Style/PercentLiteralDelimiters:
-  Enabled: false
-
-# Offense count: 5
-# Cop supports --auto-correct.
-Style/SingleSpaceBeforeFirstArg:
-  Enabled: false

metadata.rb

@@ -15,7 +15,7 @@ recipe 'postgresql-client', 'Installs PostgreSQL client packages.'
 recipe 'postgresql-server', 'Installs and configures PostgreSQL server packages.'
 recipe 'openstack-db', 'Creates necessary tables, users, and grants for OpenStack.'
 
-%w{ fedora ubuntu redhat centos suse }.each do |os|
+%w(fedora ubuntu redhat centos suse).each do |os|
   supports os
 end
 

spec/openstack-db_spec.rb

@@ -13,7 +13,7 @@ describe 'openstack-ops-database::openstack-db' do
     expect_any_instance_of(Chef::Recipe).to receive(:db_create_with_user)
       .with('compute', 'nova', 'test-pass')
     expect_any_instance_of(Chef::Recipe).to receive(:db_create_with_user)
-      .with 'dashboard', 'dash', 'test-pass'
+      .with 'dashboard', 'horizon', 'test-pass'
     expect_any_instance_of(Chef::Recipe).to receive(:db_create_with_user)
       .with 'identity', 'keystone', 'test-pass'
     expect_any_instance_of(Chef::Recipe).to receive(:db_create_with_user)

spec/postgresql-server_spec.rb

@@ -12,7 +12,7 @@ describe 'openstack-ops-database::postgresql-server' do
       # The postgresql cookbook will raise an 'uninitialized constant
       # Chef::Application' error without this attribute when running
       # the tests
-      node.set_unless['postgresql']['password']['postgres'] = String.new
+      node.set_unless['postgresql']['password']['postgres'] = ''
 
       runner.converge(described_recipe)
     end

spec/server_spec.rb

@@ -18,7 +18,7 @@ describe 'openstack-ops-database::server' do
       # The postgresql cookbook will raise an 'uninitialized constant
       # Chef::Application' error without this attribute when running
       # the tests
-      node.set_unless['postgresql']['password']['postgres'] = String.new
+      node.set_unless['postgresql']['password']['postgres'] = ''
 
       expect(chef_run).to include_recipe(
         'openstack-ops-database::postgresql-server')