servers/mermet/nginx.nix

   1 {pkgs, lib, config, system, ...}:
   2 let inherit (builtins) readFile;
   3     inherit (builtins.extraBuiltins) pass;
   4     inherit (lib) types;
   5     inherit (pkgs.lib) loadFile;
   6     inherit (config) networking;
   7     inherit (config.services) nginx;
   8     domainDir = dom: lib.concatStringsSep "/" (lib.reverseList (lib.splitString "." dom));
   9 in
  10 {
  11 imports = [
  12   nginx/gitweb.nix
  13   nginx/www.nix
  14 ];
  15 options = {
  16   services.nginx = {
  17     x509Dir = lib.mkOption {
  18       type    = types.str;
  19       default = "/var/lib/nginx/x509";
  20     };
  21     webDir = lib.mkOption {
  22       type    = types.str;
  23       default = "/var/www";
  24     };
  25     logDir = lib.mkOption {
  26       type    = types.str;
  27       default = "/var/log/nginx";
  28     };
  29   };
  30 };
  31 config = {
  32   systemd.services.nginx.after = [
  33     "${networking.domainBase}.key.pem-key.service"
  34     #"keys.target"
  35   ];
  36   deployment.keys = {
  37     "nginx.${networking.domainBase}.key.pem" = {
  38       text        = pass "x509/${networking.domainBase}/key.pem";
  39       user        = nginx.user;
  40       group       = "root";
  41       destDir     = "/run/keys/";
  42       permissions = "0400"; # WARNING: not enforced when deployment.storeKeysOnMachine = true
  43     };
  44   };
  45   systemd.services.nginx = {
  46     preStart = lib.mkBefore ''
  47       install -D -d -o ${nginx.user} -g ${nginx.group} -m 0700 \
  48        ${nginx.x509Dir} \
  49        ${nginx.webDir} \
  50        ${nginx.logDir}
  51     '';
  52   };
  53   services.nginx = {
  54     enable = true;
  55     stateDir = "/dev/shm/nginx";
  56     eventsConfig = ''
  57       multi_accept on;
  58       use epoll;
  59       worker_connections 1024;
  60     '';
  61     clientMaxBodySize = "20m";
  62     recommendedProxySettings = true;
  63     recommendedTlsSettings = true;
  64     serverTokens = false;
  65     sslCiphers = "HIGH:!ADH:!MD5:!CAMELLIA:!SEED:!3DES:!DES:!RC4:!eNULL";
  66     sslDhparam = ../../../sec/openssl/dh.pem;
  67     #sslCiphers = "EECDH+aRSA+AESGCM:EDH+aRSA:EECDH+aRSA:+AES256:+AES128:+SHA1:!CAMELLIA:!SEED:!3DES:!DES:!RC4:!eNULL;";
  68     #sslProtocols = "TLSv1.2";
  69     commonHttpConfig = ''
  70       log_format main '$remote_addr - $remote_user [$time_local] "$request" '
  71                       '$status $body_bytes_sent "$http_referer" '
  72                       '"$http_user_agent" "$http_x_forwarded_for"';
  73       #charset UTF-8;
  74       '' +
  75       lib.concatStringsSep "\n" (lib.attrValues {
  76         default = ''
  77           default_type application/octet-stream;
  78           root ${nginx.webDir};
  79         '';
  80         security = ''
  81           #error_page 403 = 404;
  82         '';
  83         log = ''
  84           access_log ${nginx.logDir}/access.log main buffer=32k;
  85           error_log  ${nginx.logDir}/error.log warn;
  86           open_log_file_cache max=1000 inactive=20s min_uses=2 valid=1m;
  87         '';
  88         proxy = ''
  89           proxy_cache_use_stale updating;
  90           proxy_temp_path ${nginx.stateDir}/proxy_temp 1 2;
  91         '';
  92         fastcgi = ''
  93           # DOC: http://wiki.nginx.org/HttpFastcgiModule
  94           fastcgi_buffer_size 128k;
  95           fastcgi_buffers 256 4k;
  96           fastcgi_busy_buffers_size 256k;
  97           fastcgi_cache_key "$request_method $scheme://$http_host$request_uri";
  98           fastcgi_cache_path ${nginx.stateDir}/fastcgi_cache
  99                              inactive=10m
 100                              keys_zone=microcache:2M
 101                              levels=1:2
 102                              loader_files=100000
 103                              loader_sleep=1
 104                              loader_threshold=2592000000
 105                              max_size=64M;
 106           fastcgi_connect_timeout 60;
 107           fastcgi_ignore_client_abort off;
 108           fastcgi_intercept_errors on;
 109           fastcgi_max_temp_file_size 2M;
 110           #fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 111           fastcgi_param SCRIPT_FILENAME $request_filename;
 112           fastcgi_temp_path ${nginx.stateDir}/fastcgi_temp 1 2;
 113         '';
 114         connexion = ''
 115           sendfile on;
 116           # If the client stops reading data,
 117           # free up the stale client connection after this much time.
 118           send_timeout 60;
 119           # Causes nginx to attempt to send its HTTP response head
 120           # in one packet, instead of using partial frames.
 121           # This is useful for prepending headers before calling sendfile,
 122           # or for throughput optimization.
 123           tcp_nopush on;
 124           # Don't buffer data-sends (disable Nagle algorithm).
 125           # Good for sending frequent small bursts of data in real time.
 126           tcp_nodelay on;
 127           keepalive_timeout 20;
 128           reset_timedout_connection on;
 129           server_names_hash_bucket_size 128;
 130           types_hash_max_size 2048;
 131         '';
 132         map = ''
 133           # User agents that are to be blocked.
 134           #map $http_user_agent $bad_bot {
 135           #  default 0;
 136           #  libwww-perl 1;
 137           #  ~(?i)(httrack|htmlparser|libwww) 1;
 138           #}
 139           # Referrers that are to be blocked.
 140           #map $http_referer $bad_referer {
 141           #  default 0;
 142           #  ~(?i)(babes|casino|click|diamond|forsale|girl|jewelry|love|nudit|organic|poker|porn|poweroversoftware|replica|sex|teen|webcam|zippo) 1;
 143           #}
 144           #geo $not_local {
 145           #  default 1;
 146           #  127.0.0.1 0;
 147           #}
 148         '';
 149         gzip = ''
 150           gzip on;
 151           gzip_buffers 16 8k;
 152           gzip_comp_level 6;
 153           gzip_disable "MSIE [1-6]\.";
 154           gzip_http_version 1.1;
 155           gzip_min_length 1024;
 156           gzip_proxied any;
 157           gzip_static on;
 158           gzip_vary on;
 159           gzip_types application/atom+xml
 160                      application/javascript
 161                      application/json
 162                      application/rss+xml
 163                      application/vnd.ms-fontobject
 164                      application/x-font-ttf
 165                      application/x-javascript
 166                      application/xml
 167                      application/xml+rss
 168                      font/opentype
 169                      font/truetype
 170                      image/svg+xml
 171                      text/css
 172                      text/javascript
 173                      text/plain
 174                      text/x-component
 175                      text/xml;
 176         '';
 177         cache = ''
 178           client_body_buffer_size 4K;
 179             # getconf PAGESIZE
 180             # 4096
 181           client_body_temp_path ${nginx.stateDir}/client_body_temp 1 2;
 182           client_body_timeout 60;
 183           client_header_buffer_size 1k;
 184           client_header_timeout 60;
 185           large_client_header_buffers 4 8k;
 186
 187           open_file_cache max=200000 inactive=20s;
 188           open_file_cache_errors on;
 189           open_file_cache_min_uses 2;
 190           open_file_cache_valid 30s;
 191         '';
 192       });
 193     appendConfig = ''
 194       worker_processes 4;
 195     '';
 196     virtualHosts."_" = {
 197       forceSSL = false;
 198       # Convoluted way to load the certificate in the store and using ${networking.domainBase} to find it.
 199       # NOTE: no ssl_stapling while the certificate remains self-signed.
 200       sslCertificate = loadFile (../../../sec + "/openssl/${networking.domainBase}/cert.self-signed.pem");
 201       sslCertificateKey = "/run/keys/nginx.${networking.domainBase}.key.pem";
 202     };
 203   };
 204 };
 205 }