opentf/website/source/layouts/oneandone.erb

<% wrap_layout :inner do %>
  <% content_for :sidebar do %>
    <div class="docs-sidebar hidden-print affix-top" role="complementary">
      <ul class="nav docs-sidenav">
        <li<%= sidebar_current("docs-home") %>>
          <a href="/docs/providers/index.html">All Providers</a>
        </li>

        <li<%= sidebar_current("docs-oneandone-index") %>>
          <a href="/docs/providers/oneandone/index.html">1&1 Provider</a>
        </li>

        <li<%= sidebar_current("docs-oneandone-resource") %>>
          <a href="#">Resources</a>
          <ul class="nav nav-visible">
            <li<%= sidebar_current("docs-oneandone-resource-firewall-policy") %>>
              <a href="/docs/providers/oneandone/r/firewall_policy.html">oneandone_firewall_policy</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-loadbalancer") %>>
                          <a href="/docs/providers/oneandone/r/loadbalancer.html">oneandone_loadbalancer</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-monitoring-policy") %>>
              <a href="/docs/providers/oneandone/r/monitoring_policy.html">oneandone_monitoring_policy</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-private-network") %>>
              <a href="/docs/providers/oneandone/r/private_network.html">oneandone_private_network</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-public-ip") %>>
              <a href="/docs/providers/oneandone/r/public_ip.html">oneandone_public_ip</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-server") %>>
              <a href="/docs/providers/oneandone/r/server.html">oneandone_server</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-shared-storage") %>>
              <a href="/docs/providers/oneandone/r/shared_storage.html">oneandone_shared_storage</a>
            </li>
            <li<%= sidebar_current("docs-oneandone-resource-vpn") %>>
              <a href="/docs/providers/oneandone/r/vpn.html">oneandone_vpn</a>
            </li>
          </ul>
        </li>
      </ul>
    </div>
  <% end %>

  <%= yield %>
<% end %>