tools/salt-install/config_examples/multi_host/aws/pillars/nginx_balancer_configuration.sls

   1 ---
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: AGPL-3.0
   5
   6 {%- import_yaml "ssl_key_encrypted.sls" as ssl_key_encrypted_pillar %}
   7 {%- set domain = "__DOMAIN__" %}
   8 {%- set balancer_backends = "__CONTROLLER_NODES__".split(",") %}
   9 {%- set controller_nr = balancer_backends|length %}
  10 {%- set disabled_controller = "__DISABLED_CONTROLLER__" %}
  11 {%- set max_reqs = ("__CONTROLLER_MAX_QUEUED_REQUESTS__" or 128)|int %}
  12 {%- set max_tunnels = ("__CONTROLLER_MAX_GATEWAY_TUNNELS__" or 1000)|int %}
  13
  14 ### NGINX
  15 nginx:
  16   ### SERVER
  17   server:
  18     config:
  19       worker_rlimit_nofile: {{ (max_reqs + max_tunnels) * 5 * controller_nr }}
  20       events:
  21         worker_connections: {{ (max_reqs + max_tunnels) * 5 * controller_nr }}
  22       ### STREAMS
  23       http:
  24         'geo $external_client':
  25           default: 1
  26           '127.0.0.0/8': 0
  27           '__CLUSTER_INT_CIDR__': 0
  28         upstream controller_upstream:
  29         {%- for backend in balancer_backends %}
  30           {%- if disabled_controller == "" or not backend.startswith(disabled_controller) %}
  31           'server {{ backend }}:80': ''
  32           {%- else %}
  33           'server {{ backend }}:80 down': ''
  34           {% endif %}
  35         {%- endfor %}
  36
  37   ### SNIPPETS
  38   snippets:
  39     # Based on https://ssl-config.mozilla.org/#server=nginx&version=1.14.2&config=intermediate&openssl=1.1.1d&guideline=5.4
  40     ssl_hardening_default.conf:
  41       - ssl_session_timeout: 1d
  42       - ssl_session_cache: 'shared:arvadosSSL:10m'
  43       - ssl_session_tickets: 'off'
  44
  45       # intermediate configuration
  46       - ssl_protocols: TLSv1.2 TLSv1.3
  47       - ssl_ciphers: ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
  48       - ssl_prefer_server_ciphers: 'off'
  49
  50       # HSTS (ngx_http_headers_module is required) (63072000 seconds)
  51       - add_header: 'Strict-Transport-Security "max-age=63072000" always'
  52
  53       # OCSP stapling
  54       - ssl_stapling: 'on'
  55       - ssl_stapling_verify: 'on'
  56
  57       # verify chain of trust of OCSP response using Root CA and Intermediate certs
  58       # - ssl_trusted_certificate /path/to/root_CA_cert_plus_intermediates
  59
  60       # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam
  61       # - ssl_dhparam: /path/to/dhparam
  62
  63       # replace with the IP address of your resolver
  64       # - resolver: 127.0.0.1
  65
  66   ### SITES
  67   servers:
  68     managed:
  69       # Remove default webserver
  70       default:
  71         enabled: false
  72       ### DEFAULT
  73       arvados_balancer_default.conf:
  74         enabled: true
  75         overwrite: true
  76         config:
  77           - server:
  78             - server_name: {{ domain }}
  79             - listen:
  80               - 80 default
  81             - location /.well-known:
  82               - root: /var/www
  83             - location /:
  84               - return: '301 https://$host$request_uri'
  85
  86       arvados_balancer_ssl.conf:
  87         enabled: true
  88         overwrite: true
  89         requires:
  90           __CERT_REQUIRES__
  91         config:
  92           - server:
  93             - server_name: {{ domain }}
  94             - listen:
  95               - __CONTROLLER_EXT_SSL_PORT__ http2 ssl
  96             - index: index.html index.htm
  97             - location /:
  98               - proxy_pass: 'http://controller_upstream'
  99               - proxy_read_timeout: 300
 100               - proxy_connect_timeout: 90
 101               - proxy_redirect: 'off'
 102               - proxy_set_header: X-Forwarded-Proto https
 103               - proxy_set_header: 'Host $http_host'
 104               - proxy_set_header: 'X-Real-IP $remote_addr'
 105               - proxy_set_header: 'X-Forwarded-For $proxy_add_x_forwarded_for'
 106               - proxy_set_header: 'X-External-Client $external_client'
 107               - proxy_set_header: 'Upgrade $http_upgrade'
 108               - proxy_set_header: 'Connection "upgrade"'
 109               - proxy_max_temp_file_size: 0
 110               - proxy_request_buffering: 'off'
 111               - proxy_buffering: 'off'
 112               - proxy_http_version: '1.1'
 113             - include: snippets/ssl_hardening_default.conf
 114             - ssl_certificate: __CERT_PEM__
 115             - ssl_certificate_key: __CERT_KEY__
 116             {%- if ssl_key_encrypted_pillar.ssl_key_encrypted.enabled %}
 117             - ssl_password_file: {{ '/run/arvados/' | path_join(ssl_key_encrypted_pillar.ssl_key_encrypted.privkey_password_filename) }}
 118             {%- endif %}
 119             - access_log: /var/log/nginx/{{ domain }}.access.log combined
 120             - error_log: /var/log/nginx/{{ domain }}.error.log
 121             - client_max_body_size: 128m