require 'spec_helper'

describe 'neutron::server' do

  let :pre_condition do
    "class { 'neutron': rabbit_password => 'passw0rd' }"
  end

  let :params do
    { :auth_password => 'passw0rd',
      :auth_user     => 'neutron' }
  end

  let :default_params do
    { :package_ensure     => 'present',
      :enabled            => true,
      :log_dir            => '/var/log/neutron',
      :auth_type          => 'keystone',
      :auth_host          => 'localhost',
      :auth_port          => '35357',
      :auth_tenant        => 'services',
      :auth_user          => 'neutron',
      :sql_connection     => false,
      :connection         => 'sqlite:////var/lib/neutron/ovs.sqlite',
      :sql_max_retries    => '10',
      :max_retries        => '10',
      :sql_idle_timeout   => '3600',
      :idle_timeout       => '3600',
      :reconnect_interval => '10',
      :retry_interval     => '10',
      :api_workers        => '0'}
  end

  shared_examples_for 'a neutron server' do
    let :p do
      default_params.merge(params)
    end

    it 'should perform default database configuration of' do
      should contain_neutron_config('database/connection').with_value(p[:connection])
      should contain_neutron_config('database/max_retries').with_value(p[:max_retries])
      should contain_neutron_config('database/idle_timeout').with_value(p[:idle_timeout])
      should contain_neutron_config('database/retry_interval').with_value(p[:retry_interval])
    end

    it { should contain_class('neutron::params') }
    it 'configures logging' do
      should contain_neutron_config('DEFAULT/log_file').with_ensure('absent')
      should contain_neutron_config('DEFAULT/log_dir').with_value(p[:log_dir])
    end

    it 'configures authentication middleware' do
      should contain_neutron_api_config('filter:authtoken/auth_host').with_value(p[:auth_host]);
      should contain_neutron_api_config('filter:authtoken/auth_port').with_value(p[:auth_port]);
      should contain_neutron_api_config('filter:authtoken/admin_tenant_name').with_value(p[:auth_tenant]);
      should contain_neutron_api_config('filter:authtoken/admin_user').with_value(p[:auth_user]);
      should contain_neutron_api_config('filter:authtoken/admin_password').with_value(p[:auth_password]);
      should contain_neutron_api_config('filter:authtoken/auth_admin_prefix').with(:ensure => 'absent')
      should contain_neutron_api_config('filter:authtoken/auth_uri').with_value("http://localhost:5000/");
    end

    it 'installs neutron server package' do
      if platform_params.has_key?(:server_package)
        should contain_package('neutron-server').with(
          :name   => platform_params[:server_package],
          :ensure => p[:package_ensure]
        )
        should contain_package('neutron-server').with_before(/Neutron_api_config\[.+\]/)
        should contain_package('neutron-server').with_before(/Neutron_config\[.+\]/)
        should contain_package('neutron-server').with_before(/Service\[neutron-server\]/)
      else
        should contain_package('neutron').with_before(/Neutron_api_config\[.+\]/)
      end
    end

    it 'configures neutron server service' do
      should contain_service('neutron-server').with(
        :name    => platform_params[:server_service],
        :enable  => true,
        :ensure  => 'running',
        :require => 'Class[Neutron]'
      )
      should contain_neutron_api_config('filter:authtoken/auth_admin_prefix').with(
        :ensure => 'absent'
      )
      should contain_neutron_config('DEFAULT/api_workers').with_value('0')
    end
  end

  shared_examples_for 'a neutron server with auth_admin_prefix set' do
    [ '/keystone', '/keystone/admin', '' ].each do |auth_admin_prefix|
      describe "with keystone_auth_admin_prefix containing incorrect value #{auth_admin_prefix}" do
        before do
          params.merge!({
            :auth_admin_prefix => auth_admin_prefix,
          })
        end
        it do
          should contain_neutron_api_config('filter:authtoken/auth_admin_prefix').with(
            :value => params[:auth_admin_prefix]
          )
        end
      end
    end
  end


  shared_examples_for 'a neutron server with some incorrect auth_admin_prefix set' do
    [ '/keystone/', 'keystone/', 'keystone' ].each do |auth_admin_prefix|
      describe "with keystone_auth_admin_prefix containing incorrect value #{auth_admin_prefix}" do
        before do
          params.merge!({
            :auth_admin_prefix => auth_admin_prefix,
          })
        end
        it do
          expect {
            should contain_neutron_api_config('filter:authtoken/auth_admin_prefix')
          }.to raise_error(Puppet::Error, /validate_re\(\): "#{auth_admin_prefix}" does not match/)
        end
      end
    end
  end

  shared_examples_for 'a neutron server with broken authentication' do
    before do
      params.delete(:auth_password)
    end
    it_raises 'a Puppet::Error', /auth_password must be set/
  end

  shared_examples_for 'a neutron server with log_file specified' do
    before do
      params.merge!(
        :log_file => '/var/log/neutron/server.log'
      )
    end
    it 'configures logging' do
      should contain_neutron_config('DEFAULT/log_file').with_value(params[:log_file])
      should contain_neutron_config('DEFAULT/log_dir').with_ensure('absent')
    end
  end

  shared_examples_for 'a neutron server with deprecated sql_connection' do
    before do
      params.merge!(
        :sql_connection => 'sqlite:////var/lib/neutron/ovs-deprecated_parameter.sqlite',
        :connection     => 'sqlite:////var/lib/neutron/ovs-IGNORED_parameter.sqlite'
      )
    end
    it 'configures database connection' do
      should contain_neutron_config('database/connection').with_value(params[:sql_connection])
    end
  end

  shared_examples_for 'a neutron server with database connection specified' do
    before do
      params.merge!(
        :connection => 'sqlite:////var/lib/neutron/ovs-TEST_parameter.sqlite'
      )
    end
    it 'configures database connection' do
      should contain_neutron_config('database/connection').with_value(params[:connection])
    end
  end

  describe "with custom keystone auth_uri" do
    let :facts do
      { :osfamily => 'RedHat' }
    end
    before do
      params.merge!({
        :auth_uri => 'https://foo.bar:1234/',
      })
    end
    it 'configures auth_uri' do
      should contain_neutron_api_config('filter:authtoken/auth_uri').with_value("https://foo.bar:1234/");
    end
  end

  context 'on Debian platforms' do
    let :facts do
      { :osfamily => 'Debian' }
    end

    let :platform_params do
      { :server_package => 'neutron-server',
        :server_service => 'neutron-server' }
    end

    it_configures 'a neutron server'
    it_configures 'a neutron server with broken authentication'
    it_configures 'a neutron server with log_file specified'
    it_configures 'a neutron server with auth_admin_prefix set'
    it_configures 'a neutron server with some incorrect auth_admin_prefix set'
    it_configures 'a neutron server with deprecated sql_connection'
    it_configures 'a neutron server with database connection specified'
  end

  context 'on RedHat platforms' do
    let :facts do
      { :osfamily => 'RedHat' }
    end

    let :platform_params do
      { :server_service => 'neutron-server' }
    end

    it_configures 'a neutron server'
    it_configures 'a neutron server with broken authentication'
    it_configures 'a neutron server with log_file specified'
    it_configures 'a neutron server with auth_admin_prefix set'
    it_configures 'a neutron server with some incorrect auth_admin_prefix set'
    it_configures 'a neutron server with deprecated sql_connection'
    it_configures 'a neutron server with database connection specified'
  end
end