mirror of
https://github.com/0rangebananaspy/authelia.git
synced 2024-09-14 22:47:21 +07:00
888 lines
37 KiB
Cheetah
888 lines
37 KiB
Cheetah
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{{ $all := . }}
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{{ $servers := .Servers }}
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{{ $cfg := .Cfg }}
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{{ $IsIPV6Enabled := .IsIPV6Enabled }}
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{{ $healthzURI := .HealthzURI }}
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{{ $backends := .Backends }}
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{{ $proxyHeaders := .ProxySetHeaders }}
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{{ $addHeaders := .AddHeaders }}
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{{ if $cfg.EnableModsecurity }}
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load_module /etc/nginx/modules/ngx_http_modsecurity_module.so;
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{{ end }}
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{{ if $cfg.EnableOpentracing }}
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load_module /etc/nginx/modules/ngx_http_opentracing_module.so;
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{{ end }}
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{{ if (and $cfg.EnableOpentracing (ne $cfg.ZipkinCollectorHost "")) }}
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load_module /etc/nginx/modules/ngx_http_zipkin_module.so;
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{{ end }}
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daemon off;
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worker_processes {{ $cfg.WorkerProcesses }};
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pid /run/nginx.pid;
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{{ if ne .MaxOpenFiles 0 }}
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worker_rlimit_nofile {{ .MaxOpenFiles }};
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{{ end}}
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{{/* http://nginx.org/en/docs/ngx_core_module.html#worker_shutdown_timeout */}}
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{{/* avoid waiting too long during a reload */}}
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worker_shutdown_timeout {{ $cfg.WorkerShutdownTimeout }} ;
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events {
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multi_accept on;
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worker_connections {{ $cfg.MaxWorkerConnections }};
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use epoll;
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}
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http {
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{{/* we use the value of the header X-Forwarded-For to be able to use the geo_ip module */}}
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{{ if $cfg.UseProxyProtocol }}
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real_ip_header proxy_protocol;
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{{ else }}
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real_ip_header {{ $cfg.ForwardedForHeader }};
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{{ end }}
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real_ip_recursive on;
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{{ range $trusted_ip := $cfg.ProxyRealIPCIDR }}
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set_real_ip_from {{ $trusted_ip }};
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{{ end }}
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{{/* databases used to determine the country depending on the client IP address */}}
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{{/* http://nginx.org/en/docs/http/ngx_http_geoip_module.html */}}
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{{/* this is require to calculate traffic for individual country using GeoIP in the status page */}}
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geoip_country /etc/nginx/GeoIP.dat;
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geoip_city /etc/nginx/GeoLiteCity.dat;
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geoip_proxy_recursive on;
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{{ if $cfg.EnableVtsStatus }}
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vhost_traffic_status_zone shared:vhost_traffic_status:{{ $cfg.VtsStatusZoneSize }};
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vhost_traffic_status_filter_by_set_key {{ $cfg.VtsDefaultFilterKey }};
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{{ end }}
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sendfile on;
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aio threads;
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aio_write on;
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tcp_nopush on;
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tcp_nodelay on;
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log_subrequest on;
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reset_timedout_connection on;
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keepalive_timeout {{ $cfg.KeepAlive }}s;
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keepalive_requests {{ $cfg.KeepAliveRequests }};
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client_header_buffer_size {{ $cfg.ClientHeaderBufferSize }};
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client_header_timeout {{ $cfg.ClientHeaderTimeout }}s;
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large_client_header_buffers {{ $cfg.LargeClientHeaderBuffers }};
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client_body_buffer_size {{ $cfg.ClientBodyBufferSize }};
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client_body_timeout {{ $cfg.ClientBodyTimeout }}s;
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http2_max_field_size {{ $cfg.HTTP2MaxFieldSize }};
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http2_max_header_size {{ $cfg.HTTP2MaxHeaderSize }};
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types_hash_max_size 2048;
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server_names_hash_max_size {{ $cfg.ServerNameHashMaxSize }};
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server_names_hash_bucket_size {{ $cfg.ServerNameHashBucketSize }};
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map_hash_bucket_size {{ $cfg.MapHashBucketSize }};
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proxy_headers_hash_max_size {{ $cfg.ProxyHeadersHashMaxSize }};
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proxy_headers_hash_bucket_size {{ $cfg.ProxyHeadersHashBucketSize }};
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variables_hash_bucket_size {{ $cfg.VariablesHashBucketSize }};
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variables_hash_max_size {{ $cfg.VariablesHashMaxSize }};
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underscores_in_headers {{ if $cfg.EnableUnderscoresInHeaders }}on{{ else }}off{{ end }};
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ignore_invalid_headers {{ if $cfg.IgnoreInvalidHeaders }}on{{ else }}off{{ end }};
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{{ if $cfg.EnableOpentracing }}
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opentracing on;
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{{ end }}
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{{ if (and $cfg.EnableOpentracing (ne $cfg.ZipkinCollectorHost "")) }}
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zipkin_collector_host {{ $cfg.ZipkinCollectorHost }};
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zipkin_collector_port {{ $cfg.ZipkinCollectorPort }};
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zipkin_service_name {{ $cfg.ZipkinServiceName }};
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{{ end }}
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include /etc/nginx/mime.types;
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default_type text/html;
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{{ if $cfg.EnableBrotli }}
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brotli on;
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brotli_comp_level {{ $cfg.BrotliLevel }};
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brotli_types {{ $cfg.BrotliTypes }};
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{{ end }}
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{{ if $cfg.UseGzip }}
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gzip on;
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gzip_comp_level 5;
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gzip_http_version 1.1;
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gzip_min_length 256;
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gzip_types {{ $cfg.GzipTypes }};
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gzip_proxied any;
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gzip_vary on;
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{{ end }}
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# Custom headers for response
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{{ range $k, $v := $addHeaders }}
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add_header {{ $k }} "{{ $v }}";
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{{ end }}
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server_tokens {{ if $cfg.ShowServerTokens }}on{{ else }}off{{ end }};
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# disable warnings
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uninitialized_variable_warn off;
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# Additional available variables:
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# $namespace
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# $ingress_name
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# $service_name
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log_format upstreaminfo {{ if $cfg.LogFormatEscapeJSON }}escape=json {{ end }}'{{ buildLogFormatUpstream $cfg }}';
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{{/* map urls that should not appear in access.log */}}
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{{/* http://nginx.org/en/docs/http/ngx_http_log_module.html#access_log */}}
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map $request_uri $loggable {
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{{ range $reqUri := $cfg.SkipAccessLogURLs }}
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{{ $reqUri }} 0;{{ end }}
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default 1;
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}
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{{ if $cfg.DisableAccessLog }}
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access_log off;
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{{ else }}
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access_log {{ $cfg.AccessLogPath }} upstreaminfo if=$loggable;
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{{ end }}
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error_log {{ $cfg.ErrorLogPath }} {{ $cfg.ErrorLogLevel }};
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{{ buildResolvers $cfg.Resolver }}
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{{/* Whenever nginx proxies a request without a "Connection" header, the "Connection" header is set to "close" */}}
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{{/* when making the target request. This means that you cannot simply use */}}
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{{/* "proxy_set_header Connection $http_connection" for WebSocket support because in this case, the */}}
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{{/* "Connection" header would be set to "" whenever the original request did not have a "Connection" header, */}}
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{{/* which would mean no "Connection" header would be in the target request. Since this would deviate from */}}
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{{/* normal nginx behavior we have to use this approach. */}}
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# Retain the default nginx handling of requests without a "Connection" header
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map $http_upgrade $connection_upgrade {
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default upgrade;
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'' close;
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}
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map {{ buildForwardedFor $cfg.ForwardedForHeader }} $the_real_ip {
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{{ if $cfg.UseProxyProtocol }}
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# Get IP address from Proxy Protocol
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default $proxy_protocol_addr;
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{{ else }}
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default $remote_addr;
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{{ end }}
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}
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# trust http_x_forwarded_proto headers correctly indicate ssl offloading
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map $http_x_forwarded_proto $pass_access_scheme {
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default $http_x_forwarded_proto;
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'' $scheme;
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}
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map $http_x_forwarded_port $pass_server_port {
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default $http_x_forwarded_port;
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'' $server_port;
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}
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map $http_x_forwarded_host $best_http_host {
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default $http_x_forwarded_host;
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'' $this_host;
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}
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{{ if $all.IsSSLPassthroughEnabled }}
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# map port {{ $all.ListenPorts.SSLProxy }} to 443 for header X-Forwarded-Port
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map $pass_server_port $pass_port {
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{{ $all.ListenPorts.SSLProxy }} 443;
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default $pass_server_port;
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}
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{{ else }}
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map $pass_server_port $pass_port {
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443 443;
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default $pass_server_port;
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}
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{{ end }}
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# Obtain best http host
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map $http_host $this_host {
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default $http_host;
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'' $host;
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}
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{{ if $cfg.ComputeFullForwardedFor }}
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# We can't use $proxy_add_x_forwarded_for because the realip module
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# replaces the remote_addr too soon
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map $http_x_forwarded_for $full_x_forwarded_for {
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{{ if $all.Cfg.UseProxyProtocol }}
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default "$http_x_forwarded_for, $proxy_protocol_addr";
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'' "$proxy_protocol_addr";
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{{ else }}
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default "$http_x_forwarded_for, $realip_remote_addr";
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'' "$realip_remote_addr";
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{{ end}}
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}
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{{ end }}
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server_name_in_redirect off;
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port_in_redirect off;
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ssl_protocols {{ $cfg.SSLProtocols }};
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# turn on session caching to drastically improve performance
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{{ if $cfg.SSLSessionCache }}
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ssl_session_cache builtin:1000 shared:SSL:{{ $cfg.SSLSessionCacheSize }};
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ssl_session_timeout {{ $cfg.SSLSessionTimeout }};
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{{ end }}
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# allow configuring ssl session tickets
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ssl_session_tickets {{ if $cfg.SSLSessionTickets }}on{{ else }}off{{ end }};
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{{ if not (empty $cfg.SSLSessionTicketKey ) }}
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ssl_session_ticket_key /etc/nginx/tickets.key;
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{{ end }}
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# slightly reduce the time-to-first-byte
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ssl_buffer_size {{ $cfg.SSLBufferSize }};
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{{ if not (empty $cfg.SSLCiphers) }}
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# allow configuring custom ssl ciphers
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ssl_ciphers '{{ $cfg.SSLCiphers }}';
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ssl_prefer_server_ciphers on;
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{{ end }}
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{{ if not (empty $cfg.SSLDHParam) }}
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# allow custom DH file http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_dhparam
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ssl_dhparam {{ $cfg.SSLDHParam }};
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{{ end }}
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{{ if not $cfg.EnableDynamicTLSRecords }}
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ssl_dyn_rec_size_lo 0;
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{{ end }}
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ssl_ecdh_curve {{ $cfg.SSLECDHCurve }};
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{{ if .CustomErrors }}
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# Custom error pages
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proxy_intercept_errors on;
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{{ end }}
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{{ range $errCode := $cfg.CustomHTTPErrors }}
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error_page {{ $errCode }} = @custom_{{ $errCode }};{{ end }}
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proxy_ssl_session_reuse on;
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{{ if $cfg.AllowBackendServerHeader }}
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proxy_pass_header Server;
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{{ end }}
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{{ if not (empty $cfg.HTTPSnippet) }}
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# Custom code snippet configured in the configuration configmap
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{{ $cfg.HTTPSnippet }}
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{{ end }}
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{{ range $name, $upstream := $backends }}
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{{ if eq $upstream.SessionAffinity.AffinityType "cookie" }}
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upstream sticky-{{ $upstream.Name }} {
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sticky hash={{ $upstream.SessionAffinity.CookieSessionAffinity.Hash }} name={{ $upstream.SessionAffinity.CookieSessionAffinity.Name }} httponly;
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{{ if (gt $cfg.UpstreamKeepaliveConnections 0) }}
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keepalive {{ $cfg.UpstreamKeepaliveConnections }};
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{{ end }}
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{{ range $server := $upstream.Endpoints }}server {{ $server.Address | formatIP }}:{{ $server.Port }} max_fails={{ $server.MaxFails }} fail_timeout={{ $server.FailTimeout }};
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{{ end }}
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}
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{{ end }}
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upstream {{ $upstream.Name }} {
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# Load balance algorithm; empty for round robin, which is the default
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{{ if ne $cfg.LoadBalanceAlgorithm "round_robin" }}
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{{ $cfg.LoadBalanceAlgorithm }};
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{{ end }}
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{{ if $upstream.UpstreamHashBy }}
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hash {{ $upstream.UpstreamHashBy }} consistent;
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{{ end }}
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{{ if (gt $cfg.UpstreamKeepaliveConnections 0) }}
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keepalive {{ $cfg.UpstreamKeepaliveConnections }};
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{{ end }}
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{{ range $server := $upstream.Endpoints }}server {{ $server.Address | formatIP }}:{{ $server.Port }} max_fails={{ $server.MaxFails }} fail_timeout={{ $server.FailTimeout }};
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{{ end }}
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}
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{{ end }}
|
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{{/* build the maps that will be use to validate the Whitelist */}}
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|
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{{ range $index, $server := $servers }}
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{{ range $location := $server.Locations }}
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{{ $path := buildLocation $location }}
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{{ if isLocationAllowed $location }}
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{{ if gt (len $location.Whitelist.CIDR) 0 }}
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# Deny for {{ print $server.Hostname $path }}
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geo $the_real_ip {{ buildDenyVariable (print $server.Hostname "_" $path) }} {
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default 1;
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{{ range $ip := $location.Whitelist.CIDR }}
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{{ $ip }} 0;{{ end }}
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}
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{{ end }}
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{{ end }}
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{{ end }}
|
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|
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{{ end }}
|
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|
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{{ range $rl := (filterRateLimits $servers ) }}
|
||
|
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# Ratelimit {{ $rl.Name }}
|
||
|
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geo $the_real_ip $whitelist_{{ $rl.ID }} {
|
||
|
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default 0;
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|
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{{ range $ip := $rl.Whitelist }}
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{{ $ip }} 1;{{ end }}
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}
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# Ratelimit {{ $rl.Name }}
|
||
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map $whitelist_{{ $rl.ID }} $limit_{{ $rl.ID }} {
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0 {{ $cfg.LimitConnZoneVariable }};
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1 "";
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||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* build all the required rate limit zones. Each annotation requires a dedicated zone */}}
|
||
|
|
{{/* 1MB -> 16 thousand 64-byte states or about 8 thousand 128-byte states */}}
|
||
|
|
{{ range $zone := (buildRateLimitZones $servers) }}
|
||
|
|
{{ $zone }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* Build server redirects (from/to www) */}}
|
||
|
|
{{ range $hostname, $to := .RedirectServers }}
|
||
|
|
server {
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv4 }}
|
||
|
|
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
|
||
|
|
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} ssl;
|
||
|
|
{{ else }}
|
||
|
|
listen {{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
|
||
|
|
listen {{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} ssl;
|
||
|
|
{{ end }}
|
||
|
|
{{ if $IsIPV6Enabled }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv6 }}
|
||
|
|
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
|
||
|
|
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
listen [::]:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }};
|
||
|
|
listen [::]:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
server_name {{ $hostname }};
|
||
|
|
return 301 $scheme://{{ $to }}$request_uri;
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ range $index, $server := $servers }}
|
||
|
|
|
||
|
|
## start server {{ $server.Hostname }}
|
||
|
|
server {
|
||
|
|
server_name {{ $server.Hostname }} {{ $server.Alias }};
|
||
|
|
{{ template "SERVER" serverConfig $all $server }}
|
||
|
|
|
||
|
|
{{ if not (empty $cfg.ServerSnippet) }}
|
||
|
|
# Custom code snippet configured in the configuration configmap
|
||
|
|
{{ $cfg.ServerSnippet }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ template "CUSTOM_ERRORS" $all }}
|
||
|
|
}
|
||
|
|
## end server {{ $server.Hostname }}
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
# default server, used for NGINX healthcheck and access to nginx stats
|
||
|
|
server {
|
||
|
|
# Use the port {{ $all.ListenPorts.Status }} (random value just to avoid known ports) as default port for nginx.
|
||
|
|
# Changing this value requires a change in:
|
||
|
|
# https://github.com/kubernetes/ingress-nginx/blob/master/controllers/nginx/pkg/cmd/controller/nginx.go
|
||
|
|
listen {{ $all.ListenPorts.Status }} default_server reuseport backlog={{ $all.BacklogSize }};
|
||
|
|
{{ if $IsIPV6Enabled }}listen [::]:{{ $all.ListenPorts.Status }} default_server reuseport backlog={{ $all.BacklogSize }};{{ end }}
|
||
|
|
set $proxy_upstream_name "-";
|
||
|
|
|
||
|
|
location {{ $healthzURI }} {
|
||
|
|
access_log off;
|
||
|
|
return 200;
|
||
|
|
}
|
||
|
|
|
||
|
|
location /nginx_status {
|
||
|
|
set $proxy_upstream_name "internal";
|
||
|
|
|
||
|
|
{{ if $cfg.EnableVtsStatus }}
|
||
|
|
vhost_traffic_status_display;
|
||
|
|
vhost_traffic_status_display_format html;
|
||
|
|
{{ else }}
|
||
|
|
access_log off;
|
||
|
|
stub_status on;
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
|
||
|
|
location / {
|
||
|
|
{{ if .CustomErrors }}
|
||
|
|
proxy_set_header X-Code 404;
|
||
|
|
{{ end }}
|
||
|
|
set $proxy_upstream_name "upstream-default-backend";
|
||
|
|
proxy_pass http://upstream-default-backend;
|
||
|
|
}
|
||
|
|
|
||
|
|
{{ template "CUSTOM_ERRORS" $all }}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
stream {
|
||
|
|
log_format log_stream {{ $cfg.LogFormatStream }};
|
||
|
|
|
||
|
|
{{ if $cfg.DisableAccessLog }}
|
||
|
|
access_log off;
|
||
|
|
{{ else }}
|
||
|
|
access_log {{ $cfg.AccessLogPath }} log_stream;
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
error_log {{ $cfg.ErrorLogPath }};
|
||
|
|
|
||
|
|
# TCP services
|
||
|
|
{{ range $i, $tcpServer := .TCPBackends }}
|
||
|
|
upstream tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }} {
|
||
|
|
{{ range $j, $endpoint := $tcpServer.Endpoints }}
|
||
|
|
server {{ $endpoint.Address }}:{{ $endpoint.Port }};
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
server {
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv4 }}
|
||
|
|
listen {{ $address }}:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
listen {{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ if $IsIPV6Enabled }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv6 }}
|
||
|
|
listen {{ $address }}:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
listen [::]:{{ $tcpServer.Port }}{{ if $tcpServer.Backend.ProxyProtocol.Decode }} proxy_protocol{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
proxy_timeout {{ $cfg.ProxyStreamTimeout }};
|
||
|
|
proxy_pass tcp-{{ $tcpServer.Port }}-{{ $tcpServer.Backend.Namespace }}-{{ $tcpServer.Backend.Name }}-{{ $tcpServer.Backend.Port }};
|
||
|
|
{{ if $tcpServer.Backend.ProxyProtocol.Encode }}
|
||
|
|
proxy_protocol on;
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
# UDP services
|
||
|
|
{{ range $i, $udpServer := .UDPBackends }}
|
||
|
|
upstream udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }} {
|
||
|
|
{{ range $j, $endpoint := $udpServer.Endpoints }}
|
||
|
|
server {{ $endpoint.Address }}:{{ $endpoint.Port }};
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
|
||
|
|
server {
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv4 }}
|
||
|
|
listen {{ $address }}:{{ $udpServer.Port }} udp;
|
||
|
|
{{ else }}
|
||
|
|
listen {{ $udpServer.Port }} udp;
|
||
|
|
{{ end }}
|
||
|
|
{{ if $IsIPV6Enabled }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv6 }}
|
||
|
|
listen {{ $address }}:{{ $udpServer.Port }} udp;
|
||
|
|
{{ else }}
|
||
|
|
listen [::]:{{ $udpServer.Port }} udp;
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
proxy_responses 1;
|
||
|
|
proxy_timeout {{ $cfg.ProxyStreamTimeout }};
|
||
|
|
proxy_pass udp-{{ $udpServer.Port }}-{{ $udpServer.Backend.Namespace }}-{{ $udpServer.Backend.Name }}-{{ $udpServer.Backend.Port }};
|
||
|
|
}
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
|
||
|
|
{{/* definition of templates to avoid repetitions */}}
|
||
|
|
{{ define "CUSTOM_ERRORS" }}
|
||
|
|
{{ $proxySetHeaders := .ProxySetHeaders }}
|
||
|
|
{{ range $errCode := .Cfg.CustomHTTPErrors }}
|
||
|
|
location @custom_{{ $errCode }} {
|
||
|
|
internal;
|
||
|
|
|
||
|
|
proxy_intercept_errors off;
|
||
|
|
|
||
|
|
proxy_set_header X-Code {{ $errCode }};
|
||
|
|
proxy_set_header X-Format $http_accept;
|
||
|
|
proxy_set_header X-Original-URI $request_uri;
|
||
|
|
proxy_set_header X-Namespace $namespace;
|
||
|
|
proxy_set_header X-Ingress-Name $ingress_name;
|
||
|
|
proxy_set_header X-Service-Name $service_name;
|
||
|
|
|
||
|
|
rewrite (.*) / break;
|
||
|
|
proxy_pass http://upstream-default-backend;
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* CORS support from https://michielkalkman.com/snippets/nginx-cors-open-configuration.html */}}
|
||
|
|
{{ define "CORS" }}
|
||
|
|
{{ $cors := .CorsConfig }}
|
||
|
|
# Cors Preflight methods needs additional options and different Return Code
|
||
|
|
if ($request_method = 'OPTIONS') {
|
||
|
|
add_header 'Access-Control-Allow-Origin' '{{ $cors.CorsAllowOrigin }}' always;
|
||
|
|
{{ if $cors.CorsAllowCredentials }} add_header 'Access-Control-Allow-Credentials' '{{ $cors.CorsAllowCredentials }}' always; {{ end }}
|
||
|
|
add_header 'Access-Control-Allow-Methods' '{{ $cors.CorsAllowMethods }}' always;
|
||
|
|
add_header 'Access-Control-Allow-Headers' '{{ $cors.CorsAllowHeaders }}' always;
|
||
|
|
add_header 'Access-Control-Max-Age' 1728000;
|
||
|
|
add_header 'Content-Type' 'text/plain charset=UTF-8';
|
||
|
|
add_header 'Content-Length' 0;
|
||
|
|
return 204;
|
||
|
|
}
|
||
|
|
|
||
|
|
add_header 'Access-Control-Allow-Origin' '{{ $cors.CorsAllowOrigin }}' always;
|
||
|
|
{{ if $cors.CorsAllowCredentials }} add_header 'Access-Control-Allow-Credentials' '{{ $cors.CorsAllowCredentials }}' always; {{ end }}
|
||
|
|
add_header 'Access-Control-Allow-Methods' '{{ $cors.CorsAllowMethods }}' always;
|
||
|
|
add_header 'Access-Control-Allow-Headers' '{{ $cors.CorsAllowHeaders }}' always;
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* definition of server-template to avoid repetitions with server-alias */}}
|
||
|
|
{{ define "SERVER" }}
|
||
|
|
{{ $all := .First }}
|
||
|
|
{{ $server := .Second }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv4 }}
|
||
|
|
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}};
|
||
|
|
{{ else }}
|
||
|
|
listen {{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}};
|
||
|
|
{{ end }}
|
||
|
|
{{ if $all.IsIPV6Enabled }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv6 }}
|
||
|
|
listen {{ $address }}:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
listen [::]:{{ $all.ListenPorts.HTTP }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
set $proxy_upstream_name "-";
|
||
|
|
|
||
|
|
{{/* Listen on {{ $all.ListenPorts.SSLProxy }} because port {{ $all.ListenPorts.HTTPS }} is used in the TLS sni server */}}
|
||
|
|
{{/* This listener must always have proxy_protocol enabled, because the SNI listener forwards on source IP info in it. */}}
|
||
|
|
{{ if not (empty $server.SSLCertificate) }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv4 }}
|
||
|
|
listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol {{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
listen {{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol {{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ if $all.IsIPV6Enabled }}
|
||
|
|
{{ range $address := $all.Cfg.BindAddressIpv6 }}
|
||
|
|
{{ if not (empty $server.SSLCertificate) }}listen {{ $address }}:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
|
||
|
|
{{ else }}
|
||
|
|
{{ if not (empty $server.SSLCertificate) }}listen [::]:{{ if $all.IsSSLPassthroughEnabled }}{{ $all.ListenPorts.SSLProxy }} proxy_protocol{{ else }}{{ $all.ListenPorts.HTTPS }}{{ if $all.Cfg.UseProxyProtocol }} proxy_protocol{{ end }}{{ end }}{{ end }} {{ if eq $server.Hostname "_"}} default_server reuseport backlog={{ $all.BacklogSize }}{{end}} ssl {{ if $all.Cfg.UseHTTP2 }}http2{{ end }};
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
{{/* comment PEM sha is required to detect changes in the generated configuration and force a reload */}}
|
||
|
|
# PEM sha: {{ $server.SSLPemChecksum }}
|
||
|
|
ssl_certificate {{ $server.SSLCertificate }};
|
||
|
|
ssl_certificate_key {{ $server.SSLCertificate }};
|
||
|
|
{{ if not (empty $server.SSLFullChainCertificate)}}
|
||
|
|
ssl_trusted_certificate {{ $server.SSLFullChainCertificate }};
|
||
|
|
ssl_stapling on;
|
||
|
|
ssl_stapling_verify on;
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if (and (not (empty $server.SSLCertificate)) $all.Cfg.HSTS) }}
|
||
|
|
more_set_headers "Strict-Transport-Security: max-age={{ $all.Cfg.HSTSMaxAge }}{{ if $all.Cfg.HSTSIncludeSubdomains }}; includeSubDomains{{ end }};{{ if $all.Cfg.HSTSPreload }} preload{{ end }}";
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
|
||
|
|
{{ if not (empty $server.CertificateAuth.CAFileName) }}
|
||
|
|
# PEM sha: {{ $server.CertificateAuth.PemSHA }}
|
||
|
|
ssl_client_certificate {{ $server.CertificateAuth.CAFileName }};
|
||
|
|
ssl_verify_client {{ $server.CertificateAuth.VerifyClient }};
|
||
|
|
ssl_verify_depth {{ $server.CertificateAuth.ValidationDepth }};
|
||
|
|
{{ if not (empty $server.CertificateAuth.ErrorPage)}}
|
||
|
|
error_page 495 496 = {{ $server.CertificateAuth.ErrorPage }};
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if not (empty $server.ServerSnippet) }}
|
||
|
|
{{ $server.ServerSnippet }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ range $location := $server.Locations }}
|
||
|
|
{{ $path := buildLocation $location }}
|
||
|
|
{{ $authPath := buildAuthLocation $location }}
|
||
|
|
|
||
|
|
{{ if not (empty $location.Rewrite.AppRoot)}}
|
||
|
|
if ($uri = /) {
|
||
|
|
return 302 {{ $location.Rewrite.AppRoot }};
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if not (empty $authPath) }}
|
||
|
|
location = {{ $authPath }} {
|
||
|
|
internal;
|
||
|
|
set $proxy_upstream_name "external-authentication";
|
||
|
|
|
||
|
|
proxy_pass_request_body off;
|
||
|
|
proxy_set_header Content-Length "";
|
||
|
|
|
||
|
|
{{ if not (empty $location.ExternalAuth.Method) }}
|
||
|
|
proxy_method {{ $location.ExternalAuth.Method }};
|
||
|
|
proxy_set_header X-Original-URI $request_uri;
|
||
|
|
proxy_set_header X-Scheme $pass_access_scheme;
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
proxy_set_header Host $http_host;
|
||
|
|
proxy_set_header X-Original-URI $request_uri;
|
||
|
|
proxy_set_header X-Real-IP $remote_addr;
|
||
|
|
proxy_set_header X-Forwarded-Proto $scheme;
|
||
|
|
proxy_set_header X-Original-Method $request_method;
|
||
|
|
proxy_set_header X-Auth-Request-Redirect $request_uri;
|
||
|
|
proxy_set_header X-Sent-From "nginx-ingress-controller";
|
||
|
|
|
||
|
|
proxy_ssl_server_name on;
|
||
|
|
proxy_pass_request_headers on;
|
||
|
|
client_max_body_size "{{ $location.Proxy.BodySize }}";
|
||
|
|
{{ if isValidClientBodyBufferSize $location.ClientBodyBufferSize }}
|
||
|
|
client_body_buffer_size {{ $location.ClientBodyBufferSize }};
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
set $target {{ $location.ExternalAuth.URL }};
|
||
|
|
proxy_pass $target;
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
location {{ $path }} {
|
||
|
|
{{ if $all.Cfg.EnableVtsStatus }}{{ if $location.VtsFilterKey }} vhost_traffic_status_filter_by_set_key {{ $location.VtsFilterKey }};{{ end }}{{ end }}
|
||
|
|
|
||
|
|
set $proxy_upstream_name "{{ buildUpstreamName $server.Hostname $all.Backends $location }}";
|
||
|
|
|
||
|
|
{{ $ing := (getIngressInformation $location.Ingress $path) }}
|
||
|
|
{{/* $ing.Metadata contains the Ingress metadata */}}
|
||
|
|
set $namespace "{{ $ing.Namespace }}";
|
||
|
|
set $ingress_name "{{ $ing.Rule }}";
|
||
|
|
set $service_name "{{ $ing.Service }}";
|
||
|
|
|
||
|
|
{{ if (or $location.Rewrite.ForceSSLRedirect (and (not (empty $server.SSLCertificate)) $location.Rewrite.SSLRedirect)) }}
|
||
|
|
# enforce ssl on server side
|
||
|
|
if ($pass_access_scheme = http) {
|
||
|
|
return 301 https://$best_http_host$request_uri;
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if $all.Cfg.EnableModsecurity }}
|
||
|
|
modsecurity on;
|
||
|
|
|
||
|
|
modsecurity_rules_file /etc/nginx/modsecurity/modsecurity.conf;
|
||
|
|
{{ if $all.Cfg.EnableOWASPCoreRules }}
|
||
|
|
modsecurity_rules_file /etc/nginx/owasp-modsecurity-crs/nginx-modsecurity.conf;
|
||
|
|
{{ end }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if isLocationAllowed $location }}
|
||
|
|
{{ if gt (len $location.Whitelist.CIDR) 0 }}
|
||
|
|
if ({{ buildDenyVariable (print $server.Hostname "_" $path) }}) {
|
||
|
|
return 403;
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
port_in_redirect {{ if $location.UsePortInRedirects }}on{{ else }}off{{ end }};
|
||
|
|
|
||
|
|
{{ if not (empty $authPath) }}
|
||
|
|
# this location requires authentication
|
||
|
|
auth_request {{ $authPath }};
|
||
|
|
auth_request_set $auth_cookie $upstream_http_set_cookie;
|
||
|
|
auth_request_set $redirect $upstream_http_redirect;
|
||
|
|
auth_request_set $user $upstream_http_remote_user;
|
||
|
|
proxy_set_header X-Forwarded-User $user;
|
||
|
|
auth_request_set $groups $upstream_http_remote_groups;
|
||
|
|
proxy_set_header Remote-Groups $groups;
|
||
|
|
|
||
|
|
add_header Set-Cookie $auth_cookie;
|
||
|
|
{{- range $idx, $line := buildAuthResponseHeaders $location }}
|
||
|
|
{{ $line }}
|
||
|
|
{{- end }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if not (empty $location.ExternalAuth.SigninURL) }}
|
||
|
|
error_page 401 = {{ buildAuthSignURL $location.ExternalAuth.SigninURL }};
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* if the location contains a rate limit annotation, create one */}}
|
||
|
|
{{ $limits := buildRateLimit $location }}
|
||
|
|
{{ range $limit := $limits }}
|
||
|
|
{{ $limit }}{{ end }}
|
||
|
|
|
||
|
|
{{ if $location.BasicDigestAuth.Secured }}
|
||
|
|
{{ if eq $location.BasicDigestAuth.Type "basic" }}
|
||
|
|
auth_basic "{{ $location.BasicDigestAuth.Realm }}";
|
||
|
|
auth_basic_user_file {{ $location.BasicDigestAuth.File }};
|
||
|
|
{{ else }}
|
||
|
|
auth_digest "{{ $location.BasicDigestAuth.Realm }}";
|
||
|
|
auth_digest_user_file {{ $location.BasicDigestAuth.File }};
|
||
|
|
{{ end }}
|
||
|
|
proxy_set_header Authorization "";
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if $location.CorsConfig.CorsEnabled }}
|
||
|
|
{{ template "CORS" $location }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if not (empty $location.Redirect.URL) }}
|
||
|
|
if ($uri ~* {{ $path }}) {
|
||
|
|
return {{ $location.Redirect.Code }} {{ $location.Redirect.URL }};
|
||
|
|
}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
client_max_body_size "{{ $location.Proxy.BodySize }}";
|
||
|
|
{{ if isValidClientBodyBufferSize $location.ClientBodyBufferSize }}
|
||
|
|
client_body_buffer_size {{ $location.ClientBodyBufferSize }};
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* By default use vhost as Host to upstream, but allow overrides */}}
|
||
|
|
{{ if not (empty $location.UpstreamVhost) }}
|
||
|
|
proxy_set_header Host "{{ $location.UpstreamVhost }}";
|
||
|
|
{{ else }}
|
||
|
|
proxy_set_header Host $best_http_host;
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
|
||
|
|
# Pass the extracted client certificate to the backend
|
||
|
|
{{ if not (empty $server.CertificateAuth.CAFileName) }}
|
||
|
|
{{ if $server.CertificateAuth.PassCertToUpstream }}
|
||
|
|
proxy_set_header ssl-client-cert $ssl_client_escaped_cert;
|
||
|
|
{{ else }}
|
||
|
|
proxy_set_header ssl-client-cert "";
|
||
|
|
{{ end }}
|
||
|
|
proxy_set_header ssl-client-verify $ssl_client_verify;
|
||
|
|
proxy_set_header ssl-client-dn $ssl_client_s_dn;
|
||
|
|
{{ else }}
|
||
|
|
proxy_set_header ssl-client-cert "";
|
||
|
|
proxy_set_header ssl-client-verify "";
|
||
|
|
proxy_set_header ssl-client-dn "";
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
# Allow websocket connections
|
||
|
|
proxy_set_header Upgrade $http_upgrade;
|
||
|
|
proxy_set_header Connection $connection_upgrade;
|
||
|
|
|
||
|
|
proxy_set_header X-Real-IP $the_real_ip;
|
||
|
|
{{ if $all.Cfg.ComputeFullForwardedFor }}
|
||
|
|
proxy_set_header X-Forwarded-For $full_x_forwarded_for;
|
||
|
|
{{ else }}
|
||
|
|
proxy_set_header X-Forwarded-For $the_real_ip;
|
||
|
|
{{ end }}
|
||
|
|
proxy_set_header X-Forwarded-Host $best_http_host;
|
||
|
|
proxy_set_header X-Forwarded-Port $pass_port;
|
||
|
|
proxy_set_header X-Forwarded-Proto $pass_access_scheme;
|
||
|
|
proxy_set_header X-Original-URI $request_uri;
|
||
|
|
proxy_set_header X-Scheme $pass_access_scheme;
|
||
|
|
|
||
|
|
# Pass the original X-Forwarded-For
|
||
|
|
proxy_set_header X-Original-Forwarded-For {{ buildForwardedFor $all.Cfg.ForwardedForHeader }};
|
||
|
|
|
||
|
|
# mitigate HTTPoxy Vulnerability
|
||
|
|
# https://www.nginx.com/blog/mitigating-the-httpoxy-vulnerability-with-nginx/
|
||
|
|
proxy_set_header Proxy "";
|
||
|
|
|
||
|
|
# Custom headers to proxied server
|
||
|
|
{{ range $k, $v := $all.ProxySetHeaders }}
|
||
|
|
proxy_set_header {{ $k }} "{{ $v }}";
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
proxy_connect_timeout {{ $location.Proxy.ConnectTimeout }}s;
|
||
|
|
proxy_send_timeout {{ $location.Proxy.SendTimeout }}s;
|
||
|
|
proxy_read_timeout {{ $location.Proxy.ReadTimeout }}s;
|
||
|
|
|
||
|
|
{{ if (or (eq $location.Proxy.ProxyRedirectFrom "default") (eq $location.Proxy.ProxyRedirectFrom "off")) }}
|
||
|
|
proxy_redirect {{ $location.Proxy.ProxyRedirectFrom }};
|
||
|
|
{{ else }}
|
||
|
|
proxy_redirect {{ $location.Proxy.ProxyRedirectFrom }} {{ $location.Proxy.ProxyRedirectTo }};
|
||
|
|
{{ end }}
|
||
|
|
proxy_buffering off;
|
||
|
|
proxy_buffer_size "{{ $location.Proxy.BufferSize }}";
|
||
|
|
proxy_buffers 4 "{{ $location.Proxy.BufferSize }}";
|
||
|
|
proxy_request_buffering "{{ $location.Proxy.RequestBuffering }}";
|
||
|
|
|
||
|
|
proxy_http_version 1.1;
|
||
|
|
|
||
|
|
proxy_cookie_domain {{ $location.Proxy.CookieDomain }};
|
||
|
|
proxy_cookie_path {{ $location.Proxy.CookiePath }};
|
||
|
|
|
||
|
|
# In case of errors try the next upstream server before returning an error
|
||
|
|
proxy_next_upstream {{ buildNextUpstream $location.Proxy.NextUpstream $all.Cfg.RetryNonIdempotent }};
|
||
|
|
|
||
|
|
{{/* rewrite only works if the content is not compressed */}}
|
||
|
|
{{ if $location.Rewrite.AddBaseURL }}
|
||
|
|
proxy_set_header Accept-Encoding "";
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* Add any additional configuration defined */}}
|
||
|
|
{{ $location.ConfigurationSnippet }}
|
||
|
|
|
||
|
|
{{ if not (empty $all.Cfg.LocationSnippet) }}
|
||
|
|
# Custom code snippet configured in the configuration configmap
|
||
|
|
{{ $all.Cfg.LocationSnippet }}
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{/* if we are sending the request to a custom default backend, we add the required headers */}}
|
||
|
|
{{ if (hasPrefix $location.Backend "custom-default-backend-") }}
|
||
|
|
proxy_set_header X-Code 503;
|
||
|
|
proxy_set_header X-Format $http_accept;
|
||
|
|
proxy_set_header X-Namespace $namespace;
|
||
|
|
proxy_set_header X-Ingress-Name $ingress_name;
|
||
|
|
proxy_set_header X-Service-Name $service_name;
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
|
||
|
|
{{ if not (empty $location.Backend) }}
|
||
|
|
{{ buildProxyPass $server.Hostname $all.Backends $location }}
|
||
|
|
{{ else }}
|
||
|
|
# No endpoints available for the request
|
||
|
|
return 503;
|
||
|
|
{{ end }}
|
||
|
|
{{ else }}
|
||
|
|
# Location denied. Reason: {{ $location.Denied }}
|
||
|
|
return 503;
|
||
|
|
{{ end }}
|
||
|
|
}
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ if eq $server.Hostname "_" }}
|
||
|
|
# health checks in cloud providers require the use of port {{ $all.ListenPorts.HTTP }}
|
||
|
|
location {{ $all.HealthzURI }} {
|
||
|
|
access_log off;
|
||
|
|
return 200;
|
||
|
|
}
|
||
|
|
|
||
|
|
# this is required to avoid error if nginx is being monitored
|
||
|
|
# with an external software (like sysdig)
|
||
|
|
location /nginx_status {
|
||
|
|
allow 127.0.0.1;
|
||
|
|
{{ if $all.IsIPV6Enabled }}allow ::1;{{ end }}
|
||
|
|
deny all;
|
||
|
|
|
||
|
|
access_log off;
|
||
|
|
stub_status on;
|
||
|
|
}
|
||
|
|
|
||
|
|
{{ end }}
|
||
|
|
|
||
|
|
{{ end }}
|