Benzine/Docker-Swarm-Loadbalancer
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Finally, finally worked out how to make websockets work again 😢

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Greyscale 2024-02-26 21:54:24 +01:00
parent 1eeda880ed
commit 67c0c893ab
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2 changed files with 48 additions and 36 deletions

1
bouncer/Readme.md
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@ -62,6 +62,7 @@ These environment variables need to be applied to the CONSUMING SERVICE and not
| BOUNCER_ALLOW_WEBSOCKETS | Defaults to enabled. Values are "yes" or "true", anything else is false | Enable websocket behaviour |
| BOUNCER_ALLOW_LARGE_PAYLOADS | Defaults to disabled. | Allows overriding the default nginx payload size. Related to BOUNCER_MAX_PAYLOADS_MEGABYTES |
| BOUNCER_MAX_PAYLOADS_MEGABYTES | numbers | Size of max payload to allow, in megabytes. Requires BOUNCER_ALLOW_LARGE_PAYLOADS to be enabled |
| BOUNCER_PROXY_TIMEOUT_SECONDS | 60 | The timeout for the proxy to wait for a response from the service, in seconds. |
| BOUNCER_CUSTOM_NGINX_CONFIG | Contents of nginx config file, optionally base64 encoded | Allows you to provide a custom nginx config file for this service. This will entirely replace the default config for this service. This is hella dangerous. |
## Security considerations

83
bouncer/templates/NginxTemplate.twig
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@ -1,71 +1,82 @@
server {
{% if allowNonSSL %}
listen {{ portHttp }};
listen [::]:{{ portHttp }};
# Non-SSL Traffic is allowed
listen {{ portHttp }};
listen [::]:{{ portHttp }};
{% endif %}
listen {{ portHttps }} ssl;
listen [::]:{{ portHttps }} ssl;
server_name {{ serverName }};
access_log /var/log/bouncer/{{ name }}.access.log;
error_log /var/log/bouncer/{{ name }}.error.log;
# SSL Traffic is allowed
listen {{ portHttps }} ssl;
listen [::]:{{ portHttps }} ssl;
server_name {{ serverName }};
access_log /var/log/bouncer/{{ name }}.access.log;
error_log /var/log/bouncer/{{ name }}.error.log;
{% if certType == 'TEMPORARY_CERT' %}
ssl_certificate /certs/example.crt;
ssl_certificate_key /certs/example.key;
ssl_certificate /certs/example.crt;
ssl_certificate_key /certs/example.key;
{% elseif certType == 'GLOBAL_CERT' %}
ssl_certificate /certs/global.crt;
ssl_certificate_key /certs/global.key;
ssl_certificate /certs/global.crt;
ssl_certificate_key /certs/global.key;
{% elseif certType == 'CUSTOM_CERT' %}
ssl_certificate /etc/nginx/sites-enabled/{{ customCertFile }};
ssl_certificate_key /etc/nginx/sites-enabled/{{ customCertKeyFile }};
ssl_certificate /etc/nginx/sites-enabled/{{ customCertFile }};
ssl_certificate_key /etc/nginx/sites-enabled/{{ customCertKeyFile }};
{% elseif certType == 'LETSENCRYPT_CERT' %}
ssl_certificate /etc/letsencrypt/live/{{ name }}/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/{{ name }}/privkey.pem;
ssl_certificate /etc/letsencrypt/live/{{ name }}/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/{{ name }}/privkey.pem;
{% endif %}
# ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
# ssl_ciphers HIGH:!aNULL:!MD5;
{% if allowLargePayloads %}
client_max_body_size 0;
{% endif %}
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Forwarded-Proto https;
{% if hasHostOverride %}
proxy_set_header Host {{ hostOverride }};
proxy_set_header Host {{ hostOverride }};
{% else %}
proxy_set_header Host $host;
proxy_set_header Host $host;
{% endif %}
# Server to send the request on to
proxy_pass "{{ targetPath }}";
# Standard headers setting origin data
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
{% if hasAuth %}
auth_basic "closed site";
auth_basic_user_file sites-enabled/{{ authFile }};
# Http Basic Auth
auth_basic "closed site";
auth_basic_user_file sites-enabled/{{ authFile }};
{% endif %}
{% if allowWebsocketSupport %}
# WebSocket support
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_cache_bypass $http_upgrade;
proxy_buffering off;
proxy_set_header Origin "";
{% endif %}
{% if proxyTimeoutSeconds %}
proxy_read_timeout {{ proxyTimeoutSeconds }};
proxy_connect_timeout {{ proxyTimeoutSeconds }};
proxy_send_timeout {{ proxyTimeoutSeconds }};
# Proxy timeouts
proxy_read_timeout {{ proxyTimeoutSeconds }};
proxy_connect_timeout {{ proxyTimeoutSeconds }};
proxy_send_timeout {{ proxyTimeoutSeconds }};
{% endif %}
proxy_pass {{ targetPath }};
}
}
{% if not allowNonSSL %}
server {
listen {{ portHttp }};
listen [::]:{{ portHttp }};
server_name {{ serverName }};
return 301 https://$host$request_uri;
# Redirect non-ssl to ssl
listen {{ portHttp }};
listen [::]:{{ portHttp }};
server_name {{ serverName }};
return 301 https://$host$request_uri;
}
{% endif %}