require 'spec_helper'

describe 'octavia::api' do
  let :params do
    { :enabled                        => true,
      :manage_service                 => true,
      :package_ensure                 => 'latest',
      :port                           => '9876',
      :host                           => '0.0.0.0',
      :api_handler                    => 'queue_producer',
      :api_v1_enabled                 => true,
      :api_v2_enabled                 => true,
      :allow_tls_terminated_listeners => false,
      :default_provider_driver        => 'ovn',
      :enabled_provider_drivers       => 'amphora:Octavia Amphora driver,ovn:Octavia OVN driver',
      :pagination_max_limit           => '1000',
      :healthcheck_enabled            => true,
      :healthcheck_refresh_interval   => 5,
      :allow_ping_health_monitors     => true,
      :allow_prometheus_listeners     => true,
    }
  end

  shared_examples_for 'octavia-api' do
    let :pre_condition do
      "class { 'octavia': }
       include octavia::db
       class { 'octavia::keystone::authtoken':
         password  => 'password',
       }
      "
    end

    it { is_expected.to contain_class('octavia::deps') }
    it { is_expected.to contain_class('octavia::params') }
    it { is_expected.to contain_class('octavia::policy') }
    it { is_expected.to contain_class('octavia::keystone::authtoken') }

    it 'installs octavia-api package' do
      is_expected.to contain_package('octavia-api').with(
        :ensure => 'latest',
        :name   => platform_params[:api_package_name],
        :tag    => ['openstack', 'octavia-package'],
      )
    end

    context 'when not parameters are defined' do
      before do
        params.clear()
      end
      it 'configures with default values' do
        is_expected.to contain_octavia_config('api_settings/bind_host').with_value( '0.0.0.0' )
        is_expected.to contain_octavia_config('api_settings/bind_port').with_value( '9876' )
        is_expected.to contain_octavia_config('api_settings/auth_strategy').with_value( 'keystone' )
        is_expected.to contain_octavia_config('api_settings/api_handler').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/api_v1_enabled').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/api_v2_enabled').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/allow_tls_terminated_listeners').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/default_provider_driver').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/enabled_provider_drivers').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/pagination_max_limit').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/healthcheck_enabled').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/healthcheck_refresh_interval').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/default_listener_ciphers').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/default_pool_ciphers').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/tls_cipher_prohibit_list').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/default_listener_tls_versions').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/default_pool_tls_versions').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/minimum_tls_version').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/allow_ping_health_monitors').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_octavia_config('api_settings/allow_prometheus_listeners').with_value('<SERVICE DEFAULT>')
        is_expected.to contain_oslo__middleware('octavia_config').with(
          :enable_proxy_headers_parsing => '<SERVICE DEFAULT>',
          :max_request_body_size        => '<SERVICE DEFAULT>',
        )
      end
      it 'does not sync the database' do
        is_expected.not_to contain_class('octavia::db::sync')
      end
    end

    it 'configures parameters' do
      is_expected.to contain_octavia_config('api_settings/bind_host').with_value( params[:host] )
      is_expected.to contain_octavia_config('api_settings/bind_port').with_value( params[:port] )
      is_expected.to contain_octavia_config('api_settings/api_handler').with_value( params[:api_handler] )
      is_expected.to contain_octavia_config('api_settings/api_v1_enabled').with_value( params[:api_v1_enabled] )
      is_expected.to contain_octavia_config('api_settings/api_v2_enabled').with_value( params[:api_v2_enabled] )
      is_expected.to contain_octavia_config('api_settings/allow_tls_terminated_listeners').with_value( params[:allow_tls_terminated_listeners] )
      is_expected.to contain_octavia_config('api_settings/default_provider_driver').with_value( params[:default_provider_driver] )
      is_expected.to contain_octavia_config('api_settings/enabled_provider_drivers').with_value( params[:enabled_provider_drivers] )
      is_expected.to contain_octavia_config('api_settings/pagination_max_limit').with_value( params[:pagination_max_limit] )
      is_expected.to contain_octavia_config('api_settings/healthcheck_enabled').with_value( params[:healthcheck_enabled] )
      is_expected.to contain_octavia_config('api_settings/healthcheck_refresh_interval').with_value( params[:healthcheck_refresh_interval] )
      is_expected.to contain_octavia_config('api_settings/allow_ping_health_monitors').with_value( params[:allow_ping_health_monitors] )
      is_expected.to contain_octavia_config('api_settings/allow_prometheus_listeners').with_value( params[:allow_prometheus_listeners] )
    end

    [{:enabled => true}, {:enabled => false}].each do |param_hash|
      context "when service should be #{param_hash[:enabled] ? 'enabled' : 'disabled'}" do
        before do
          params.merge!(param_hash)
        end

        it 'configures octavia-api service' do
          is_expected.to contain_service('octavia-api').with(
            :ensure     => (params[:manage_service] && params[:enabled]) ? 'running' : 'stopped',
            :name       => platform_params[:api_service_name],
            :enable     => params[:enabled],
            :hasstatus  => true,
            :hasrestart => true,
            :tag        => 'octavia-service',
          )
        end
        it { is_expected.to contain_service('octavia-api').that_subscribes_to('Anchor[octavia::service::begin]')}
        it { is_expected.to contain_service('octavia-api').that_notifies('Anchor[octavia::service::end]')}
      end
    end

    context 'with sync_db set to true' do
      before do
        params.merge!({
          :sync_db => true})
      end
      it { is_expected.to contain_class('octavia::db::sync') }
    end

    context 'with oslo.middleware options set' do
      before do
        params.merge!({
          :enable_proxy_headers_parsing => true,
          :max_request_body_size        => 114688,
        })
      end
      it 'configures enable_proxy_headers_parsing' do
        is_expected.to contain_oslo__middleware('octavia_config').with(
          :enable_proxy_headers_parsing => true,
          :max_request_body_size        => 114688,
        )
      end
    end

    context 'with disabled service managing' do
      before do
        params.merge!({
          :manage_service => false,
          :enabled        => false })
      end

      it 'configures octavia-api service' do
        is_expected.to_not contain_service('octavia-api')
      end
    end

    context 'with healthcheck enabled' do
      before do
        params.merge!({
          :healthcheck_enabled => true })
      end

      it 'configures healthcheck_enabled' do
        is_expected.to contain_octavia_config('api_settings/healthcheck_enabled').with_value(true)
      end
    end

    context 'with tls cipher/version set' do
      before do
        params.merge!({
          :default_listener_ciphers      => ['TLS_AES_256_GCM_SHA384', 'TLS_CHACHA20_POLY1305_SHA256', 'TLS_AES_128_GCM_SHA256'],
          :default_pool_ciphers          => ['TLS_AES_256_GCM_SHA384', 'TLS_CHACHA20_POLY1305_SHA256'],
          :tls_cipher_prohibit_list      => ['ECDHE-RSA-AES256-SHA384', 'ECDHE-RSA-AES128-SHA256'],
          :default_listener_tls_versions => ['TLSv1.1', 'TLSv1.2', 'TLSv1.3'],
          :default_pool_tls_versions     => ['TLSv1.2', 'TLSv1.3'],
          :minimum_tls_version           => 'TLSv1',
        })
      end

      it 'configures tls parameters' do
        is_expected.to contain_octavia_config('api_settings/default_listener_ciphers')\
          .with_value('TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256')
        is_expected.to contain_octavia_config('api_settings/default_pool_ciphers')\
          .with_value('TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256')
        is_expected.to contain_octavia_config('api_settings/tls_cipher_prohibit_list')\
          .with_value('ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256')
        is_expected.to contain_octavia_config('api_settings/default_listener_tls_versions')\
          .with_value('TLSv1.1,TLSv1.2,TLSv1.3')
        is_expected.to contain_octavia_config('api_settings/default_pool_tls_versions')\
          .with_value('TLSv1.2,TLSv1.3')
        is_expected.to contain_octavia_config('api_settings/minimum_tls_version')\
          .with_value('TLSv1')
      end
    end

    context 'with enabled_provider_drivers in array' do
      before do
        params.merge!({
          :enabled_provider_drivers => [
            'amphora:Octavia Amphora driver',
            'ovn:Octavia OVN driver'
          ]
        })
      end
      it 'configures parameters' do
        is_expected.to contain_octavia_config('api_settings/enabled_provider_drivers')\
          .with_value('amphora:Octavia Amphora driver,ovn:Octavia OVN driver')
      end
    end

    context 'with enabled_provider_drivers in hash' do
      before do
        params.merge!({
          :enabled_provider_drivers => {
            'amphora' => 'Octavia Amphora driver',
            'ovn'     => 'Octavia OVN driver'
          }
        })
      end
      it 'configures parameters' do
        is_expected.to contain_octavia_config('api_settings/enabled_provider_drivers')\
          .with_value('amphora:Octavia Amphora driver,ovn:Octavia OVN driver')
      end
    end
  end

  shared_examples 'octavia-api wsgi' do
    let :pre_condition do
      "class { 'octavia': }
       include octavia::db
       class { 'octavia::keystone::authtoken':
         password  => 'password',
       }
       include apache
      "
    end

    let :params do
      {
        :service_name => 'httpd',
      }
    end

    context 'with required params' do
      it { should contain_package('octavia-api').with(
        :ensure => 'present',
        :name   => platform_params[:api_package_name],
        :tag    => ['openstack', 'octavia-package'],
      )}

      it { should contain_service('octavia-api').with(
        :ensure => 'stopped',
        :name   => platform_params[:api_service_name],
        :enable => false,
        :tag    => 'octavia-service',
      )}
    end
  end

  on_supported_os({
    :supported_os => OSDefaults.get_supported_os
  }).each do |os,facts|
    context "on #{os}" do
      let (:facts) do
        facts.merge!(OSDefaults.get_facts())
      end
      let(:platform_params) do
        case facts[:os]['family']
        when 'Debian'
          { :api_package_name => 'octavia-api',
            :api_service_name => 'octavia-api' }
        when 'RedHat'
          { :api_package_name => 'openstack-octavia-api',
            :api_service_name => 'octavia-api' }
        end
      end

      it_behaves_like 'octavia-api'
      it_behaves_like 'octavia-api wsgi'
    end
  end

end