ansible-roles/nginx/defaults/main.yml

---
nginx_enabled: True
nginx_use_ppa: False
nginx_ppa_repo: ppa:nginx/stable
nginx_package_state: installed

#nginx_virthosts: []

nginx_snippets_dir: /etc/nginx/snippets

nginx_conf_snippets:
  - nginx-compression.conf
  - nginx-websockets.conf
  - nginx-browser-cache.conf
  - letsencrypt-proxy.conf
  - nginx-proxy-params.conf
  - nginx-server-ssl.conf
  - nginx-cors.conf

nginx_old_snippets:
  - compression.conf

nginx_workers: 4
nginx_worker_connections: 1024
nginx_multi_accept: 'off'
nginx_worker_rlimit_nofile: 2048
nginx_server_tokens: 'off'

nginx_large_client_header_buffers: 4 8k

nginx_enable_compression: True
nginx_gzip_vary: "on"
nginx_gzip_proxied: any
nginx_gzip_comp_level: 6
nginx_gzip_buffers: 16 8k
nginx_gzip_http_version: 1.1
nginx_gzip_types: "text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/javascript"

nginx_enable_browser_cache: True
nginx_cache_control: public
nginx_html_cache_expire: -1
nginx_feed_cache_expire_enabled: False
nginx_feed_cache_expire: 1h
nginx_media_cache_expire: 1M
nginx_css_js_cache_expire: -1

nginx_reverse_proxy: False
nginx_define_x_real_ip: False
nginx_proxy_buffering: "on"
nginx_proxy_redirect: "off"
nginx_proxy_buffer_size: 128k
nginx_proxy_buffers: '4 {{ nginx_proxy_buffer_size }}'
nginx_proxy_busy_buffers_size: 256k
nginx_proxy_connect_timeout: 30s
nginx_proxy_read_timeout: 480s
nginx_proxy_send_timeout: 120s
nginx_proxy_temp_file_write_size: '{{ nginx_proxy_buffer_size }}'
nginx_client_max_body_size: 100M
nginx_client_body_timeout: 240s

nginx_cors_limit_origin: False
nginx_cors_acl_origin: 'http?://(localhost)'

# Find a set of acceptable defaults for the cache setup
nginx_cache_enabled: False

nginx_use_ldap_pam_auth: False
nginx_pam_svc_name: nginx
nginx_ldap_uri: "ldap://ldap.example.org"
nginx_ldap_base_dn: "dc=example,dc=org"
nginx_basic_auth: False
nginx_basic_auth_users:
  - { name: 'test', pwd: 'hide inside a vault file', file: '/etc/nginx/htpasswd' }
# nginx_ldap_login_attribute: uid
# nginx_ldap_pam_groupdn:
nginx_letsencrypt_managed: True
nginx_websockets_support: False
nginx_use_common_virthost: False

# Virtualhost example
# nginx_virthosts:
#   - virthost_name: '{{ ansible_fqdn }}'
#     listen: '{{ http_port }}'
#     server_name: '{{ ansible_fqdn }}'
#     server_aliases: ''
#     index: index.html
#     error_page: /path_to_error_page.html
#     ssl_enabled: False
#     ssl_only: False
#     ssl_letsencrypt_certs: '{{ nginx_letsencrypt_managed }}'
#     root: /usr/share/nginx/html/
#     server_tokens: 'off'
#     proxy_standard_setup: True
#     proxy_additional_options:
#       - 'proxy_cache_path /tmp/nginx_cache levels=1:2 keys_zone=cache:30m max_size=250m;'
#     proxies:
#       - location: /
#         target: http://localhost:{{ local_http_port }};
#
#     extra_parameters: |
# location ~ \.php$ {
#         fastcgi_split_path_info ^(.+\.php)(/.+)$;
#         fastcgi_pass unix:/var/run/php5-fpm.sock;
#         fastcgi_index index.php;
#         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
#         include fastcgi_params;
#       }
    
# TODO: ckan, ssl with 80 -> 443 redirection, ssl only (no listening on 80).
#       If nginx via ppa, proxy_protocol e http/2 too
#       php, rewrite rules, acls, ldap auth
#       More robust rules
#       log format personalization (global, inside conf.d)
#       CORS
#       
# Special cases: mediawiki,...
#
# CORS example 1
    # set $cors '';
    # if ($http_origin ~* 'https?://(localhost|*\.example\.org)') {
    #     set $cors 'true';
    # }

    # if ($cors = 'true') {
    #     add_header 'Access-Control-Allow-Origin' "$http_origin";
    #     add_header 'Access-Control-Allow-Credentials' 'true';
    #     add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
    #     add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Mx-ReqToken,X-Requested-With';
    # }

    # if ($request_method = 'OPTIONS') {
    #     return 204;
    # }

# CORS example 2
    # location / {
    #     if ($request_method = 'OPTIONS') {
    #         add_header 'Access-Control-Allow-Origin' '*';
    #         add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    #         #
    #         # Custom headers and headers various browsers *should* be OK with but aren't
    #         #
    #         add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    #         #
    #         # Tell client that this pre-flight info is valid for 20 days
    #         #
    #         add_header 'Access-Control-Max-Age' 1728000;
    #         add_header 'Content-Type' 'text/plain charset=UTF-8';
    #         add_header 'Content-Length' 0;
    #         return 204;
    #     }
    #     if ($request_method = 'POST') {
    #         add_header 'Access-Control-Allow-Origin' '*';
    #         add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    #         add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    #     }
    #     if ($request_method = 'GET') {
    #         add_header 'Access-Control-Allow-Origin' '*';
    #         add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
    #         add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    #     }