20755: Merge branch 'main' into 20755-ec2-multiple-subnets

[arvados.git] / tools / salt-install / config_examples / multi_host / aws / pillars / nginx_balancer_configuration.sls

diff --git a/tools/salt-install/config_examples/multi_host/aws/pillars/nginx_balancer_configuration.sls b/tools/salt-install/config_examples/multi_host/aws/pillars/nginx_balancer_configuration.sls
new file mode 100644 (file)
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+++ b/tools/salt-install/config_examples/multi_host/aws/pillars/nginx_balancer_configuration.sls
@@ -0,0 +1,129 @@
+---
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+{%- import_yaml "ssl_key_encrypted.sls" as ssl_key_encrypted_pillar %}
+{%- set domain = "__DOMAIN__" %}
+{%- set balancer_backends = "__CONTROLLER_NODES__".split(",") %}
+{%- set controller_nr = balancer_backends|length %}
+{%- set disabled_controller = "__DISABLED_CONTROLLER__" %}
+{%- if disabled_controller != "" %}
+  {%- set controller_nr = controller_nr - 1 %}
+{%- endif %}
+{%- set max_reqs = ("__CONTROLLER_MAX_QUEUED_REQUESTS__" or 128)|int %}
+
+### NGINX
+nginx:
+  ### SERVER
+  server:
+    config:
+      {%- if max_reqs != "" %}
+      worker_rlimit_nofile: {{ (max_reqs|int * 3 * controller_nr)|round|int }}
+      events:
+        worker_connections: {{ (max_reqs|int * 3 * controller_nr)|round|int }}
+      {%- else %}
+      worker_rlimit_nofile: 4096
+      events:
+        worker_connections: 1024
+      {%- endif %}
+      ### STREAMS
+      http:
+        'geo $external_client':
+          default: 1
+          '127.0.0.0/8': 0
+          '__CLUSTER_INT_CIDR__': 0
+        upstream controller_upstream:
+        {%- for backend in balancer_backends %}
+          {%- if disabled_controller == "" or not backend.startswith(disabled_controller) %}
+          'server {{ backend }}:80': ''
+          {%- else %}
+          'server {{ backend }}:80 down': ''
+          {% endif %}
+        {%- endfor %}
+
+  ### SNIPPETS
+  snippets:
+    # Based on https://ssl-config.mozilla.org/#server=nginx&version=1.14.2&config=intermediate&openssl=1.1.1d&guideline=5.4
+    ssl_hardening_default.conf:
+      - ssl_session_timeout: 1d
+      - ssl_session_cache: 'shared:arvadosSSL:10m'
+      - ssl_session_tickets: 'off'
+
+      # intermediate configuration
+      - ssl_protocols: TLSv1.2 TLSv1.3
+      - 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
+      - ssl_prefer_server_ciphers: 'off'
+
+      # HSTS (ngx_http_headers_module is required) (63072000 seconds)
+      - add_header: 'Strict-Transport-Security "max-age=63072000" always'
+
+      # OCSP stapling
+      - ssl_stapling: 'on'
+      - ssl_stapling_verify: 'on'
+
+      # verify chain of trust of OCSP response using Root CA and Intermediate certs
+      # - ssl_trusted_certificate /path/to/root_CA_cert_plus_intermediates
+
+      # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam
+      # - ssl_dhparam: /path/to/dhparam
+
+      # replace with the IP address of your resolver
+      # - resolver: 127.0.0.1
+
+  ### SITES
+  servers:
+    managed:
+      # Remove default webserver
+      default:
+        enabled: false
+      ### DEFAULT
+      arvados_balancer_default.conf:
+        enabled: true
+        overwrite: true
+        config:
+          - server:
+            - server_name: {{ domain }}
+            - listen:
+              - 80 default
+            - location /.well-known:
+              - root: /var/www
+            - location /:
+              - return: '301 https://$host$request_uri'
+
+      arvados_balancer_ssl.conf:
+        enabled: true
+        overwrite: true
+        requires:
+          __CERT_REQUIRES__
+        config:
+          - server:
+            - server_name: {{ domain }}
+            - listen:
+              - __CONTROLLER_EXT_SSL_PORT__ http2 ssl
+            - index: index.html index.htm
+            - location /:
+              - proxy_pass: 'http://controller_upstream'
+              - proxy_read_timeout: 300
+              - proxy_connect_timeout: 90
+              - proxy_redirect: 'off'
+              - proxy_set_header: X-Forwarded-Proto https
+              - proxy_set_header: 'Host $http_host'
+              - proxy_set_header: 'X-Real-IP $remote_addr'
+              - proxy_set_header: 'X-Forwarded-For $proxy_add_x_forwarded_for'
+              - proxy_set_header: 'X-External-Client $external_client'
+              - proxy_set_header: 'Upgrade $http_upgrade'
+              - proxy_set_header: 'Connection "upgrade"'
+              - proxy_max_temp_file_size: 0
+              - proxy_request_buffering: 'off'
+              - proxy_buffering: 'off'
+              - proxy_http_version: '1.1'
+            - include: snippets/ssl_hardening_default.conf
+            - ssl_certificate: __CERT_PEM__
+            - ssl_certificate_key: __CERT_KEY__
+            {%- if ssl_key_encrypted_pillar.ssl_key_encrypted.enabled %}
+            - ssl_password_file: {{ '/run/arvados/' | path_join(ssl_key_encrypted_pillar.ssl_key_encrypted.privkey_password_filename) }}
+            {%- endif %}
+            - access_log: /var/log/nginx/{{ domain }}.access.log combined
+            - error_log: /var/log/nginx/{{ domain }}.error.log
+            - client_max_body_size: 128m