files/gitlab-cookbooks/gitlab/templates/default/nginx-gitlab-kas-http.conf.erb

# This file is managed by gitlab-ctl. Manual changes will be
# erased! To change the contents below, edit /etc/gitlab/gitlab.rb
# and run `sudo gitlab-ctl reconfigure`.

## Lines starting with two hashes (##) are comments with information.
## Lines starting with one hash (#) are configuration parameters that can be uncommented.
##
###################################
##         configuration         ##
###################################

<% if @https && @redirect_http_to_https %>
## Redirects all HTTP traffic to the HTTPS host
server {
<% @listen_addresses.each do |listen_address| %>
  listen <%= listen_address %>:<%= @redirect_http_to_https_port %><% if @proxy_protocol %> proxy_protocol<% end %>;
<% end %>
  server_name <%= @fqdn %>;
  server_tokens off; ## Don't show the nginx version number, a security best practice
  <% if @letsencrypt_enable %>
  location /.well-known/acme-challenge/ {
    root <%= @dir %>/www/;
  }
  <% end %>

  location / {
    return 301 https://$http_host:<%= @port %>$request_uri;
  }
  access_log  <%= @log_directory %>/gitlab_kas_access.log gitlab_access;
  error_log   <%= @log_directory %>/gitlab_kas_error.log <%= @error_log_level%>;
}
<% end %>

server {
<% @listen_addresses.each do |listen_address| %>
  listen <%= listen_address %>:<%= @listen_port %><% if @proxy_protocol %> proxy_protocol<% end %><% if @https %> ssl<% end %>;
<% end %>
  server_name <%= @fqdn %>;
  server_tokens off; ## Don't show the nginx version number, a security best practice

  ## Disable symlink traversal
  disable_symlinks on;

<% if @https %>
  <% if @http2_enabled %>
  http2 on;
  <% end %>
  ## Strong SSL Security
  ## https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html & https://cipherli.st/
  ssl_certificate <%= @ssl_certificate %>;
  ssl_certificate_key <%= @ssl_certificate_key %>;
  <% if @ssl_client_certificate %>
  ssl_client_certificate <%= @ssl_client_certificate%>;
  <% end %>
  <% if @ssl_verify_client %>
  ssl_verify_client <%= @ssl_verify_client%>;
  ssl_verify_depth <%= @ssl_verify_depth%>;
  <% end %>

  # GitLab needs backwards compatible ciphers to retain compatibility with Java IDEs
  ssl_ciphers '<%= @ssl_ciphers %>';
  ssl_protocols  <%= @ssl_protocols %>;
  ssl_prefer_server_ciphers <%= @ssl_prefer_server_ciphers %>;
  ssl_session_cache  <%= @ssl_session_cache %>;
  ssl_session_tickets <%= @ssl_session_tickets %>;
  ssl_session_timeout  <%= @ssl_session_timeout %>;

  <% if @ssl_dhparam %>
  ssl_dhparam <%= @ssl_dhparam %>;
  <% end %>

  <% if @ssl_password_file %>
  ssl_password_file '<%= @ssl_password_file %>';
  <% end %>
<% end %>

  ## Real IP Module Config
  ## http://nginx.org/en/docs/http/ngx_http_realip_module.html
  <% if @real_ip_header %>
  real_ip_header <%= @real_ip_header %>;
  <% end %>
  <% if @real_ip_recursive %>
  real_ip_recursive <%= @real_ip_recursive %>;
  <% end %>
  <% @real_ip_trusted_addresses.each do |trusted_address| %>
  set_real_ip_from <%= trusted_address %>;
  <% end %>

  ## HSTS Config
  ## https://www.nginx.com/blog/http-strict-transport-security-hsts-and-nginx/
  <% unless @hsts_max_age.nil? || @hsts_max_age <= 0 %>
  add_header Strict-Transport-Security "max-age=<%= @hsts_max_age -%>
<% if @hsts_include_subdomains %>; includeSubdomains<% end %>";
  <% end %>

  ## Individual nginx logs for this GitLab vhost
  access_log  <%= @log_directory %>/gitlab_kas_access.log gitlab_access;
  error_log   <%= @log_directory %>/gitlab_kas_error.log <%= @error_log_level%>;

  <% if @letsencrypt_enable %>
  location /.well-known/acme-challenge/ {
    root <%= @dir %>/www/;
  }
  <% end %>
  # Pass everything to gitlab_kas daemon
  location / {
    proxy_http_version 1.1;
    proxy_pass http://<%= @gitlab_kas_listen_address %>/;

    <% @proxy_set_headers.each do |header| %>
    <% next if header[1].nil? %>
    proxy_set_header <%= header[0] %> <%= header[1] %>;
    <% end %>

    proxy_buffering off;
    proxy_request_buffering on;
    <% if @proxy_custom_buffer_size -%>
      proxy_buffers 8 <%= @proxy_custom_buffer_size %>;
      proxy_buffer_size <%= @proxy_custom_buffer_size %>;
    <% end -%>

    proxy_connect_timeout 5s;
    proxy_send_timeout 60s;
    proxy_read_timeout 60s;

    proxy_max_temp_file_size 1024m;

    proxy_redirect off;

    proxy_intercept_errors off;
  }

  location /k8s-proxy/ {
    proxy_http_version 1.1;
    proxy_pass http://<%= @gitlab_kas_k8s_proxy_listen_address %>/;

    <% @proxy_set_headers.each do |header| %>
    <% next if header[1].nil? %>
    proxy_set_header <%= header[0] %> <%= header[1] %>;
    <% end %>

    proxy_buffering off;
    proxy_request_buffering on;
    <% if @proxy_custom_buffer_size -%>
      proxy_buffers 8 <%= @proxy_custom_buffer_size %>;
      proxy_buffer_size <%= @proxy_custom_buffer_size %>;
    <% end -%>

    proxy_connect_timeout 5s;
    proxy_send_timeout 60s;
    proxy_read_timeout 60s;

    proxy_max_temp_file_size 1024m;

    proxy_redirect off;

    proxy_intercept_errors off;
  }

  location = /k8s-proxy/ {
    proxy_http_version 1.1;
    proxy_pass http://<%= @gitlab_kas_k8s_proxy_listen_address %>/;

    <% @proxy_set_headers.each do |header| %>
    <% next if header[1].nil? %>
    proxy_set_header <%= header[0] %> <%= header[1] %>;
    <% end %>

    proxy_buffering off;
    proxy_request_buffering on;
    <% if @proxy_custom_buffer_size -%>
      proxy_buffers 8 <%= @proxy_custom_buffer_size %>;
      proxy_buffer_size <%= @proxy_custom_buffer_size %>;
    <% end -%>

    proxy_connect_timeout 5s;
    proxy_send_timeout 60s;
    proxy_read_timeout 60s;

    proxy_max_temp_file_size 1024m;

    proxy_redirect off;

    proxy_intercept_errors off;
  }

  # Define custom error pages
  error_page 403 /403.html;
  error_page 404 /404.html;

  <%= @custom_gitlab_server_config %>
}