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 {%- if disabled_controller != "" %}
  12   {%- set controller_nr = controller_nr - 1 %}
  13 {%- endif %}
  14 {%- set max_reqs = ("__CONTROLLER_MAX_QUEUED_REQUESTS__" or 128)|int %}
  15
  16 ### NGINX
  17 nginx:
  18   ### SERVER
  19   server:
  20     config:
  21       {%- if max_reqs != "" %}
  22       worker_rlimit_nofile: {{ (max_reqs|int * 3 * controller_nr)|round|int }}
  23       events:
  24         worker_connections: {{ (max_reqs|int * 3 * controller_nr)|round|int }}
  25       {%- else %}
  26       worker_rlimit_nofile: 4096
  27       events:
  28         worker_connections: 1024
  29       {%- endif %}
  30       ### STREAMS
  31       http:
  32         'geo $external_client':
  33           default: 1
  34           '127.0.0.0/8': 0
  35           '__CLUSTER_INT_CIDR__': 0
  36         upstream controller_upstream:
  37         {%- for backend in balancer_backends %}
  38           {%- if disabled_controller == "" or not backend.startswith(disabled_controller) %}
  39           'server {{ backend }}:80': ''
  40           {%- else %}
  41           'server {{ backend }}:80 down': ''
  42           {% endif %}
  43         {%- endfor %}
  44
  45   ### SNIPPETS
  46   snippets:
  47     # Based on https://ssl-config.mozilla.org/#server=nginx&version=1.14.2&config=intermediate&openssl=1.1.1d&guideline=5.4
  48     ssl_hardening_default.conf:
  49       - ssl_session_timeout: 1d
  50       - ssl_session_cache: 'shared:arvadosSSL:10m'
  51       - ssl_session_tickets: 'off'
  52
  53       # intermediate configuration
  54       - ssl_protocols: TLSv1.2 TLSv1.3
  55       - 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
  56       - ssl_prefer_server_ciphers: 'off'
  57
  58       # HSTS (ngx_http_headers_module is required) (63072000 seconds)
  59       - add_header: 'Strict-Transport-Security "max-age=63072000" always'
  60
  61       # OCSP stapling
  62       - ssl_stapling: 'on'
  63       - ssl_stapling_verify: 'on'
  64
  65       # verify chain of trust of OCSP response using Root CA and Intermediate certs
  66       # - ssl_trusted_certificate /path/to/root_CA_cert_plus_intermediates
  67
  68       # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam
  69       # - ssl_dhparam: /path/to/dhparam
  70
  71       # replace with the IP address of your resolver
  72       # - resolver: 127.0.0.1
  73
  74   ### SITES
  75   servers:
  76     managed:
  77       # Remove default webserver
  78       default:
  79         enabled: false
  80       ### DEFAULT
  81       arvados_balancer_default.conf:
  82         enabled: true
  83         overwrite: true
  84         config:
  85           - server:
  86             - server_name: {{ domain }}
  87             - listen:
  88               - 80 default
  89             - location /.well-known:
  90               - root: /var/www
  91             - location /:
  92               - return: '301 https://$host$request_uri'
  93
  94       arvados_balancer_ssl.conf:
  95         enabled: true
  96         overwrite: true
  97         requires:
  98           __CERT_REQUIRES__
  99         config:
 100           - server:
 101             - server_name: {{ domain }}
 102             - listen:
 103               - __CONTROLLER_EXT_SSL_PORT__ http2 ssl
 104             - index: index.html index.htm
 105             - location /:
 106               - proxy_pass: 'http://controller_upstream'
 107               - proxy_read_timeout: 300
 108               - proxy_connect_timeout: 90
 109               - proxy_redirect: 'off'
 110               - proxy_set_header: X-Forwarded-Proto https
 111               - proxy_set_header: 'Host $http_host'
 112               - proxy_set_header: 'X-Real-IP $remote_addr'
 113               - proxy_set_header: 'X-Forwarded-For $proxy_add_x_forwarded_for'
 114               - proxy_set_header: 'X-External-Client $external_client'
 115               - proxy_set_header: 'Upgrade $http_upgrade'
 116               - proxy_set_header: 'Connection "upgrade"'
 117               - proxy_max_temp_file_size: 0
 118               - proxy_request_buffering: 'off'
 119               - proxy_buffering: 'off'
 120               - proxy_http_version: '1.1'
 121             - include: snippets/ssl_hardening_default.conf
 122             - ssl_certificate: __CERT_PEM__
 123             - ssl_certificate_key: __CERT_KEY__
 124             {%- if ssl_key_encrypted_pillar.ssl_key_encrypted.enabled %}
 125             - ssl_password_file: {{ '/run/arvados/' | path_join(ssl_key_encrypted_pillar.ssl_key_encrypted.privkey_password_filename) }}
 126             {%- endif %}
 127             - access_log: /var/log/nginx/{{ domain }}.access.log combined
 128             - error_log: /var/log/nginx/{{ domain }}.error.log
 129             - client_max_body_size: 128m