require_relative 'spec_helper'

describe 'openstack-identity::server-apache' do
  describe 'ubuntu' do
    let(:runner) { ChefSpec::SoloRunner.new(UBUNTU_OPTS) }
    let(:node) { runner.node }
    cached(:chef_run) do
      runner.converge(described_recipe)
    end

    include Helpers
    include_context 'identity_stubs'

    service_name = 'keystone'
    service_user = 'admin'
    region = 'RegionOne'
    project_name = 'admin'
    role_name = 'admin'
    password = 'admin'
    public_url = 'http://127.0.0.1:5000/v3'

    context 'syslog true' do
      cached(:chef_run) do
        node.override['openstack']['identity']['syslog']['use'] = true
        runner.converge(described_recipe)
      end
      it 'runs logging recipe if node attributes say to' do
        expect(chef_run).to include_recipe('openstack-common::logging')
      end
    end

    it 'does not run logging recipe' do
      expect(chef_run).not_to include_recipe('openstack-common::logging')
    end

    it 'upgrades mysql python packages' do
      expect(chef_run).to upgrade_package('identity cookbook package python3-mysqldb')
    end

    it 'upgrades memcache python packages' do
      expect(chef_run).to upgrade_package('identity cookbook package python3-memcache')
    end

    it 'upgrades keystone packages' do
      expect(chef_run).to upgrade_package('identity cookbook package python3-keystone')
      expect(chef_run).to upgrade_package('identity cookbook package keystone')
    end

    it do
      expect(chef_run).to disable_apache2_site('keystone')
    end

    it 'bootstrap with keystone-manage' do
      expect(chef_run).to run_execute('bootstrap_keystone').with(
        command: "keystone-manage bootstrap \\
          --bootstrap-password #{password} \\
          --bootstrap-username #{service_user} \\
          --bootstrap-project-name #{project_name} \\
          --bootstrap-role-name #{role_name} \\
          --bootstrap-service-name #{service_name} \\
          --bootstrap-region-id #{region} \\
          --bootstrap-admin-url #{public_url} \\
          --bootstrap-public-url #{public_url} \\
          --bootstrap-internal-url #{public_url}",
        sensitive: true
      )
    end

    describe '/etc/keystone' do
      let(:dir) { chef_run.directory('/etc/keystone') }

      it 'creates directory /etc/keystone' do
        expect(chef_run).to create_directory(dir.name).with(
          user: 'keystone',
          group: 'keystone',
          mode: '700'
        )
      end
    end

    describe '/etc/keystone/domains' do
      let(:dir) { '/etc/keystone/domains' }

      it 'does not create /etc/keystone/domains by default' do
        expect(chef_run).not_to create_directory(dir)
      end

      context 'domain_specific_drivers_enabled true' do
        cached(:chef_run) do
          node.override['openstack']['identity']['domain_specific_drivers_enabled'] = true
          runner.converge(described_recipe)
        end
        it 'creates /etc/keystone/domains when domain_specific_drivers_enabled enabled' do
          expect(chef_run).to create_directory(dir).with(
            user: 'keystone',
            group: 'keystone',
            mode: '700'
          )
        end
      end
    end

    it 'deletes keystone.db' do
      expect(chef_run).to delete_file('/var/lib/keystone/keystone.db')
    end

    context 'service_type sqlite' do
      cached(:chef_run) do
        node.override['openstack']['db']['identity']['service_type'] = 'sqlite'
        runner.converge(described_recipe)
      end
      it 'does not delete keystone.db when configured to use sqlite' do
        expect(chef_run).not_to delete_file('/var/lib/keystone/keystone.db')
      end
    end

    describe 'keystone.conf' do
      let(:path) { '/etc/keystone/keystone.conf' }
      let(:resource) { chef_run.template(path) }
      describe 'file properties' do
        it 'creates /etc/keystone/keystone.conf' do
          expect(chef_run).to create_template(resource.name).with(
            user: 'keystone',
            group: 'keystone',
            mode: '640',
            sensitive: true
          )
        end
      end

      it 'has no list_limits by default' do
        expect(chef_run).not_to render_config_file(path).with_section_content('DEFAULT', /^list_limit = /)
      end

      describe '[DEFAULT] section' do
        [
          %r{^log_dir = /var/log/keystone$},
          %r{^public_endpoint = http://127.0.0.1:5000/$},
          %r{^transport_url = rabbit://openstack:mypass@127.0.0.1:5672$},
        ].each do |line|
          it do
            expect(chef_run).to render_config_file(path).with_section_content('DEFAULT', line)
          end
        end

        describe 'syslog configuration' do
          log_file = %r{^log_dir = /var/log/keystone$}
          log_conf = %r{^log_config_append = /\w+}

          it do
            expect(chef_run).not_to render_config_file(path).with_section_content('DEFAULT', log_conf)
          end

          context 'syslog true' do
            cached(:chef_run) do
              node.override['openstack']['identity']['syslog']['use'] = true
              runner.converge(described_recipe)
            end
            it do
              expect(chef_run).to render_config_file(path).with_section_content('DEFAULT', log_conf)
              expect(chef_run).not_to render_config_file(path).with_section_content('DEFAULT', log_file)
            end
          end
        end
      end

      describe '[memcache] section' do
        it 'has no servers by default' do
          # `Openstack#memcached_servers' is stubbed in spec_helper.rb to
          # return an empty array, so we expect an empty `servers' list.
          r = line_regexp('servers = ')
          expect(chef_run).to render_config_file(path).with_section_content('memcache', r)
        end

        context 'hostnames are configured' do
          cached(:chef_run) do
            runner.converge(described_recipe)
          end
          it 'has servers when hostnames are configured' do
            # Re-stub `Openstack#memcached_servers' here
            hosts = ['host1:111', 'host2:222']
            r = line_regexp("servers = #{hosts.join(',')}")

            allow_any_instance_of(Chef::Recipe).to receive(:memcached_servers).and_return(hosts)
            expect(chef_run).to render_config_file(path).with_section_content('memcache', r)
          end
        end
      end

      describe '[sql] section' do
        it 'has a connection' do
          r = %r{^connection = mysql\+pymysql://keystone:@127.0.0.1:3306/keystone\?charset=utf8$}
          expect(chef_run).to render_config_file(path).with_section_content('database', r)
        end
      end

      describe '[assignment] section' do
        it 'configures driver' do
          r = /^driver = sql$/
          expect(chef_run).to render_config_file(path).with_section_content('assignment', r)
        end
      end

      describe '[policy] section' do
        it 'configures driver' do
          r = /^driver = sql$/
          expect(chef_run).to render_config_file(path).with_section_content('policy', r)
        end
      end
      describe '[fernet_tokens] section' do
        it 'key_repository = /etc/keystone/fernet-tokens' do
          r = %r{^key_repository = /etc/keystone/fernet-tokens$}
          expect(chef_run).to render_config_file(path).with_section_content('fernet_tokens', r)
        end
      end
      describe '[credential] section' do
        it 'key_repository = /etc/keystone/credential-tokens' do
          r = %r{^key_repository = /etc/keystone/credential-tokens$}
          expect(chef_run).to render_config_file(path).with_section_content('credential', r)
        end
      end
      describe '[cache] section' do
        [
          /^enabled = true$/,
          /^backend = oslo_cache.memcache_pool$/,
        ].each do |line|
          it do
            expect(chef_run).to render_config_file(path).with_section_content('cache', line)
          end
        end
      end
    end

    describe 'db_sync' do
      let(:cmd) { 'keystone-manage db_sync' }

      it 'runs migrations' do
        expect(chef_run).to run_execute(cmd).with(
          user: 'root'
        )
      end

      context 'migrate false' do
        cached(:chef_run) do
          node.override['openstack']['db']['identity']['migrate'] = false
          runner.converge(described_recipe)
        end
        it 'does not run migrations' do
          expect(chef_run).not_to run_execute(cmd).with(
            user: 'root'
          )
        end
      end
    end

    describe 'keystone-paste.ini as template' do
      let(:path) { '/etc/keystone/keystone-paste.ini' }

      it 'has default api pipeline values' do
        expect(chef_run).to render_config_file(path).with_section_content(
          'pipeline:api_v3',
          /^pipeline = healthcheck cors sizelimit http_proxy_to_wsgi osprofiler url_normalize request_id build_auth_context token_auth json_body ec2_extension_v3 s3_extension service_v3$/
        )
      end
      context 'api_v3 service_v3' do
        cached(:chef_run) do
          node.override['openstack']['identity']['pipeline']['api_v3'] = 'service_v3'
          runner.converge(described_recipe)
        end
        it 'template api pipeline set correct' do
          expect(chef_run).to render_config_file(path).with_section_content(
            'pipeline:api_v3',
            /^pipeline = service_v3$/
          )
        end
      end
      context 'misc_paste set' do
        cached(:chef_run) do
          node.override['openstack']['identity']['misc_paste'] = ['MISC1 = OPTION1', 'MISC2 = OPTION2']
          runner.converge(described_recipe)
        end
        it 'template misc_paste array correctly' do
          expect(chef_run).to render_file(path).with_content(
            /^MISC1 = OPTION1$/
          )
          expect(chef_run).to render_file(path).with_content(
            /^MISC2 = OPTION2$/
          )
        end
      end
    end

    context 'keystone-paste.ini as remote file' do
      cached(:chef_run) do
        node.override['openstack']['identity']['pastefile_url'] = 'http://server/mykeystone-paste.ini'
        runner.converge(described_recipe)
      end
      let(:remote_paste) { chef_run.remote_file('/etc/keystone/keystone-paste.ini') }

      it 'uses a remote file if pastefile_url is specified' do
        expect(chef_run).to create_remote_file_if_missing('/etc/keystone/keystone-paste.ini').with(
          source: 'http://server/mykeystone-paste.ini',
          user: 'keystone',
          group: 'keystone',
          mode: '644'
        )
      end
    end

    describe 'apache setup' do
      it do
        expect(chef_run.template('/etc/keystone/keystone.conf')).to notify('service[apache2]').to(:restart)
      end

      it do
        expect(chef_run.template('/etc/apache2/sites-available/identity.conf')).to \
          notify('service[apache2]').to(:restart)
      end

      it do
        expect(chef_run).to install_apache2_install('openstack').with(listen: %w(127.0.0.1:5000))
      end

      it do
        expect(chef_run).to create_apache2_mod_wsgi('openstack')
      end

      it do
        expect(chef_run).to_not enable_apache2_module('ssl')
      end

      context 'ssl enabled' do
        cached(:chef_run) do
          node.override['openstack']['identity']['ssl']['enabled'] = true
          runner.converge(described_recipe)
        end
        it do
          expect(chef_run).to enable_apache2_module('ssl')
        end
      end

      describe 'apache wsgi' do
        let(:file) { '/etc/apache2/sites-available/identity.conf' }

        it 'creates identity.conf' do
          expect(chef_run).to create_template(file).with(
            source: 'wsgi-keystone.conf.erb',
            variables: {
              group: 'keystone',
              log_dir: '/var/log/apache2',
              run_dir: '/var/lock',
              server_alias: 'identity',
              server_entry: '/usr/bin/keystone-wsgi-public',
              server_host: '127.0.0.1',
              server_port: 5000,
              user: 'keystone',
            }
          )
        end

        it 'does not configure keystone-admin.conf' do
          expect(chef_run).not_to render_file('/etc/apache2/sites-available/keystone-admin.conf')
        end

        [
          /^<VirtualHost 127.0.0.1:5000>$/,
          /WSGIDaemonProcess identity processes=5 threads=1 user=keystone group=keystone display-name=%{GROUP}$/,
          /WSGIProcessGroup identity$/,
          %r{WSGIScriptAlias / /usr/bin/keystone-wsgi-public$},
          %r{ErrorLog /var/log/apache2/identity.log$},
          %r{CustomLog /var/log/apache2/identity_access.log combined$},
          %r{WSGISocketPrefix /var/lock$},
        ].each do |line|
          it do
            expect(chef_run).to render_file(file).with_content(line)
          end
        end

        context 'custom_template_banner' do
          cached(:chef_run) do
            node.override['openstack']['identity']['custom_template_banner'] = 'custom_template_banner_value'
            runner.converge(described_recipe)
          end
          [
            /^custom_template_banner_value$/,
          ].each do |line|
            it do
              expect(chef_run).to render_file(file).with_content(line)
            end
          end
        end

        [
          /SSLEngine On$/,
          /SSLCertificateFile/,
          /SSLCertificateKeyFile/,
          /SSLCACertificatePath/,
          /SSLCARevocationPath/,
          /SSLCARevocationCheck/,
          /SSLCertificateChainFile/,
          /SSLProtocol/,
          /SSLCipherSuite/,
          /SSLVerifyClient/,
        ].each do |line|
          it do
            expect(chef_run).not_to render_file(file).with_content(line)
          end
        end

        context 'Enable SSL' do
          let(:file) { '/etc/apache2/sites-available/identity.conf' }
          cached(:chef_run) do
            node.override['openstack']['identity']['ssl']['enabled'] = true
            runner.converge(described_recipe)
          end
          [
            /SSLEngine On$/,
            %r{SSLCertificateFile /etc/keystone/ssl/certs/sslcert.pem$},
            %r{SSLCertificateKeyFile /etc/keystone/ssl/private/sslkey.pem$},
            %r{SSLCACertificatePath /etc/keystone/ssl/certs/$},
            /SSLProtocol All -SSLv2 -SSLv3$/,
          ].each do |line|
            it do
              expect(chef_run).to render_file(file).with_content(line)
            end
          end
          [
            /SSLCARevocationPath/,
            /SSLCARevocationCheck/,
            /SSLCertificateChainFile/,
            /SSLCipherSuite/,
            /SSLVerifyClient require/,
          ].each do |line|
            it do
              expect(chef_run).not_to render_file(file).with_content(line)
            end
          end
          context 'Enable ca_revocation_path, chainfile, ciphers & cert_required' do
            cached(:chef_run) do
              node.override['openstack']['identity']['ssl']['enabled'] = true
              node.override['openstack']['identity']['ssl']['ca_revocation_path'] = '/etc/keystone/ssl/crl.d'
              node.override['openstack']['identity']['ssl']['chainfile'] = '/etc/keystone/ssl/certs/chainfile.pem'
              node.override['openstack']['identity']['ssl']['ciphers'] = 'ciphers_value'
              node.override['openstack']['identity']['ssl']['cert_required'] = true
              runner.converge(described_recipe)
            end
            [
              %r{SSLCARevocationPath /etc/keystone/ssl/crl.d$},
              /SSLCARevocationCheck chain$/,
              %r{SSLCertificateChainFile /etc/keystone/ssl/certs/chainfile.pem$},
              /SSLCipherSuite ciphers_value$/,
              /SSLVerifyClient require$/,
            ].each do |line|
              it do
                expect(chef_run).to render_file(file).with_content(line)
              end
            end
          end
        end
      end
    end
  end
end