# Configuration checksum: 15722409614561727097

# setup custom paths that do not require root access
pid /tmp/nginx.pid;

daemon off;

worker_processes 12;

worker_rlimit_nofile 86357;

worker_shutdown_timeout 240s ;

events {
	multi_accept        on;
	worker_connections  16384;
	use                 epoll;
}

http {
	lua_package_path "/etc/nginx/lua/?.lua;;";

	lua_shared_dict balancer_ewma 10M;
	lua_shared_dict balancer_ewma_last_touched_at 10M;
	lua_shared_dict balancer_ewma_locks 1M;
	lua_shared_dict certificate_data 20M;
	lua_shared_dict certificate_servers 5M;
	lua_shared_dict configuration_data 20M;
	lua_shared_dict ocsp_response_cache 5M;

	init_by_lua_block {
		collectgarbage("collect")

		-- init modules
		local ok, res

		ok, res = pcall(require, "lua_ingress")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		lua_ingress = res
		lua_ingress.set_config({
			use_forwarded_headers = false,
			use_proxy_protocol = false,
			is_ssl_passthrough_enabled = true,
			http_redirect_code = 308,
		listen_ports = { ssl_proxy = "442", https = "443" },

			hsts = true,
			hsts_max_age = 15724800,
			hsts_include_subdomains = true,
			hsts_preload = false,
		})
		end

		ok, res = pcall(require, "configuration")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		configuration = res
		end

		ok, res = pcall(require, "balancer")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		balancer = res
		end

		ok, res = pcall(require, "monitor")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		monitor = res
		end

		ok, res = pcall(require, "certificate")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		certificate = res
		certificate.is_ocsp_stapling_enabled = false
		end

		ok, res = pcall(require, "plugins")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		plugins = res
		end
		-- load all plugins that'll be used here
	plugins.init({  })
	}

	init_worker_by_lua_block {
		lua_ingress.init_worker()
		balancer.init_worker()

		monitor.init_worker(10000)

		plugins.run()
	}

	geoip_country       /etc/nginx/geoip/GeoIP.dat;
	geoip_city          /etc/nginx/geoip/GeoLiteCity.dat;
	geoip_org           /etc/nginx/geoip/GeoIPASNum.dat;
	geoip_proxy_recursive on;

	aio                 threads;
	aio_write           on;

	tcp_nopush          on;
	tcp_nodelay         on;

	log_subrequest      on;

	reset_timedout_connection on;

	keepalive_timeout  75s;
	keepalive_requests 100;

	client_body_temp_path           /tmp/client-body;
	fastcgi_temp_path               /tmp/fastcgi-temp;
	proxy_temp_path                 /tmp/proxy-temp;
	ajp_temp_path                   /tmp/ajp-temp;

	client_header_buffer_size       1k;
	client_header_timeout           60s;
	large_client_header_buffers     4 8k;
	client_body_buffer_size         8k;
	client_body_timeout             60s;

	http2_max_field_size            4k;
	http2_max_header_size           16k;
	http2_max_requests              1000;
	http2_max_concurrent_streams    128;

	types_hash_max_size             2048;
	server_names_hash_max_size      1024;
	server_names_hash_bucket_size   32;
	map_hash_bucket_size            64;

	proxy_headers_hash_max_size     512;
	proxy_headers_hash_bucket_size  64;

	variables_hash_bucket_size      256;
	variables_hash_max_size         2048;

	underscores_in_headers          off;
	ignore_invalid_headers          on;

	limit_req_status                503;
	limit_conn_status               503;

	include /etc/nginx/mime.types;
	default_type text/html;

	# Custom headers for response

	server_tokens off;

	more_clear_headers Server;

	# disable warnings
	uninitialized_variable_warn off;

	# Additional available variables:
	# $namespace
	# $ingress_name
	# $service_name
	# $service_port
	log_format upstreaminfo '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_length $request_time [$proxy_upstream_name] [$proxy_alternative_upstream_name] $upstream_addr $upstream_response_length $upstream_response_time $upstream_status $req_id';

	map $request_uri $loggable {

		default 1;
	}

	access_log /var/log/nginx/access.log upstreaminfo  if=$loggable;

	error_log  /var/log/nginx/error.log notice;

	resolver 10.96.0.10 valid=30s ipv6=off;

	# See https://www.nginx.com/blog/websocket-nginx
	map $http_upgrade $connection_upgrade {
		default          upgrade;

		# See http://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive
		''               '';

	}

	# Reverse proxies can detect if a client provides a X-Request-ID header, and pass it on to the backend server.
	# If no such header is provided, it can provide a random value.
	map $http_x_request_id $req_id {
		default   $http_x_request_id;

		""        $request_id;

	}

	# Create a variable that contains the literal $ character.
	# This works because the geo module will not resolve variables.
	geo $literal_dollar {
		default "$";
	}

	server_name_in_redirect off;
	port_in_redirect        off;

	ssl_protocols TLSv1.2 TLSv1.3;

	ssl_early_data off;

	# turn on session caching to drastically improve performance

	ssl_session_cache builtin:1000 shared:SSL:10m;
	ssl_session_timeout 10m;

	# allow configuring ssl session tickets
	ssl_session_tickets off;

	# slightly reduce the time-to-first-byte
	ssl_buffer_size 4k;

	# allow configuring custom ssl ciphers
	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 on;

	ssl_ecdh_curve auto;

	# PEM sha: 2565c5673fb7e896600a2b2eb6374ff49b71dec2
	ssl_certificate     /etc/ingress-controller/ssl/default-fake-certificate.pem;
	ssl_certificate_key /etc/ingress-controller/ssl/default-fake-certificate.pem;

	proxy_ssl_session_reuse on;

	upstream upstream_balancer {
		### Attention!!!
		#
		# We no longer create "upstream" section for every backend.
		# Backends are handled dynamically using Lua. If you would like to debug
		# and see what backends ingress-nginx has in its memory you can
		# install our kubectl plugin https://kubernetes.github.io/ingress-nginx/kubectl-plugin.
		# Once you have the plugin you can use "kubectl ingress-nginx backends" command to
		# inspect current backends.
		#
		###

		server 0.0.0.1; # placeholder

		balancer_by_lua_block {
			balancer.balance()
		}

		keepalive 320;

		keepalive_timeout  60s;
		keepalive_requests 10000;

	}

	# Cache for internal auth checks
	proxy_cache_path /tmp/nginx-cache-auth levels=1:2 keys_zone=auth_cache:10m max_size=128m inactive=30m use_temp_path=off;

	# Global filters

	## start server _
	server {
		server_name _ ;

		listen 80 default_server reuseport backlog=4096 ;
		listen 442 proxy_protocol default_server reuseport backlog=4096 ssl http2 ;

		set $proxy_upstream_name "-";

		ssl_certificate_by_lua_block {
			certificate.call()
		}

		location / {

			set $namespace      "";
			set $ingress_name   "";
			set $service_name   "";
			set $service_port   "";
			set $location_path  "";

			rewrite_by_lua_block {
				lua_ingress.rewrite({
					force_ssl_redirect = false,
					ssl_redirect = false,
					force_no_ssl_redirect = false,
					use_port_in_redirects = false,
				})
				balancer.rewrite()
				plugins.run()
			}

			# be careful with `access_by_lua_block` and `satisfy any` directives as satisfy any
			# will always succeed when there's `access_by_lua_block` that does not have any lua code doing `ngx.exit(ngx.DECLINED)`
			# other authentication method such as basic auth or external auth useless - all requests will be allowed.
			#access_by_lua_block {
			#}

			header_filter_by_lua_block {
				lua_ingress.header()
				plugins.run()
			}

			body_filter_by_lua_block {
			}

			log_by_lua_block {
				balancer.log()

				monitor.call()

				plugins.run()
			}

			access_log off;

			port_in_redirect off;

			set $balancer_ewma_score -1;
			set $proxy_upstream_name "upstream-default-backend";
			set $proxy_host          $proxy_upstream_name;
			set $pass_access_scheme  $scheme;

			set $pass_server_port    $server_port;

			set $best_http_host      $http_host;
			set $pass_port           $pass_server_port;

			set $proxy_alternative_upstream_name "";

			client_max_body_size                    1m;

			proxy_set_header Host                   $best_http_host;

			# Pass the extracted client certificate to the backend

			# Allow websocket connections
			proxy_set_header                        Upgrade           $http_upgrade;

			proxy_set_header                        Connection        $connection_upgrade;

			proxy_set_header X-Request-ID           $req_id;
			proxy_set_header X-Real-IP              $remote_addr;

			proxy_set_header X-Forwarded-For        $remote_addr;

			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-Scheme               $pass_access_scheme;

			# Pass the original X-Forwarded-For
			proxy_set_header X-Original-Forwarded-For $http_x_forwarded_for;

			# mitigate HTTPoxy Vulnerability
			# https://www.nginx.com/blog/mitigating-the-httpoxy-vulnerability-with-nginx/
			proxy_set_header Proxy                  "";

			# Custom headers to proxied server

			proxy_connect_timeout                   5s;
			proxy_send_timeout                      60s;
			proxy_read_timeout                      60s;

			proxy_buffering                         off;
			proxy_buffer_size                       4k;
			proxy_buffers                           4 4k;

			proxy_max_temp_file_size                1024m;

			proxy_request_buffering                 on;
			proxy_http_version                      1.1;

			proxy_cookie_domain                     off;
			proxy_cookie_path                       off;

			# In case of errors try the next upstream server before returning an error
			proxy_next_upstream                     error timeout;
			proxy_next_upstream_timeout             0;
			proxy_next_upstream_tries               3;

			proxy_pass http://upstream_balancer;

			proxy_redirect                          off;

		}

		# health checks in cloud providers require the use of port 80
		location /healthz {

			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;

			deny all;

			access_log off;
			stub_status on;
		}

	}
	## end server _

	## start server admin.d.co.il
	server {
		server_name admin.d.co.il ;

		listen 80  ;
		listen 442 proxy_protocol  ssl http2 ;

		set $proxy_upstream_name "-";

		ssl_certificate_by_lua_block {
			certificate.call()
		}

		location / {

			set $namespace      "default";
			set $ingress_name   "d-ingress";
			set $service_name   "admin";
			set $service_port   "443";
			set $location_path  "/";

			rewrite_by_lua_block {
				lua_ingress.rewrite({
					force_ssl_redirect = false,
					ssl_redirect = true,
					force_no_ssl_redirect = false,
					use_port_in_redirects = false,
				})
				balancer.rewrite()
				plugins.run()
			}

			# be careful with `access_by_lua_block` and `satisfy any` directives as satisfy any
			# will always succeed when there's `access_by_lua_block` that does not have any lua code doing `ngx.exit(ngx.DECLINED)`
			# other authentication method such as basic auth or external auth useless - all requests will be allowed.
			#access_by_lua_block {
			#}

			header_filter_by_lua_block {
				lua_ingress.header()
				plugins.run()
			}

			body_filter_by_lua_block {
			}

			log_by_lua_block {
				balancer.log()

				monitor.call()

				plugins.run()
			}

			port_in_redirect off;

			set $balancer_ewma_score -1;
			set $proxy_upstream_name "default-admin-443";
			set $proxy_host          $proxy_upstream_name;
			set $pass_access_scheme  $scheme;

			set $pass_server_port    $server_port;

			set $best_http_host      $http_host;
			set $pass_port           $pass_server_port;

			set $proxy_alternative_upstream_name "";

			client_max_body_size                    1m;

			proxy_set_header Host                   $best_http_host;

			# Pass the extracted client certificate to the backend

			# Allow websocket connections
			proxy_set_header                        Upgrade           $http_upgrade;

			proxy_set_header                        Connection        $connection_upgrade;

			proxy_set_header X-Request-ID           $req_id;
			proxy_set_header X-Real-IP              $remote_addr;

			proxy_set_header X-Forwarded-For        $remote_addr;

			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-Scheme               $pass_access_scheme;

			# Pass the original X-Forwarded-For
			proxy_set_header X-Original-Forwarded-For $http_x_forwarded_for;

			# mitigate HTTPoxy Vulnerability
			# https://www.nginx.com/blog/mitigating-the-httpoxy-vulnerability-with-nginx/
			proxy_set_header Proxy                  "";

			# Custom headers to proxied server

			proxy_connect_timeout                   5s;
			proxy_send_timeout                      60s;
			proxy_read_timeout                      60s;

			proxy_buffering                         off;
			proxy_buffer_size                       4k;
			proxy_buffers                           4 4k;

			proxy_max_temp_file_size                1024m;

			proxy_request_buffering                 on;
			proxy_http_version                      1.1;

			proxy_cookie_domain                     off;
			proxy_cookie_path                       off;

			# In case of errors try the next upstream server before returning an error
			proxy_next_upstream                     error timeout;
			proxy_next_upstream_timeout             0;
			proxy_next_upstream_tries               3;

			proxy_pass https://upstream_balancer;

			proxy_redirect                          off;

		}

	}
	## end server admin.d.co.il

	# backend for when default-backend-service is not configured or it does not have endpoints
	server {
		listen 8181 default_server reuseport backlog=4096;

		set $proxy_upstream_name "internal";

		access_log off;

		location / {
			return 404;
		}
	}

	# default server, used for NGINX healthcheck and access to nginx stats
	server {
		listen 127.0.0.1:10246;
		set $proxy_upstream_name "internal";

		keepalive_timeout 0;
		gzip off;

		access_log off;

		location /healthz {
			return 200;
		}

		location /is-dynamic-lb-initialized {
			content_by_lua_block {
				local configuration = require("configuration")
				local backend_data = configuration.get_backends_data()
				if not backend_data then
				ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
				return
				end

				ngx.say("OK")
				ngx.exit(ngx.HTTP_OK)
			}
		}

		location /nginx_status {
			stub_status on;
		}

		location /configuration {
			client_max_body_size                    21m;
			client_body_buffer_size                 21m;
			proxy_buffering                         off;

			content_by_lua_block {
				configuration.call()
			}
		}

		location / {
			content_by_lua_block {
				ngx.exit(ngx.HTTP_NOT_FOUND)
			}
		}
	}
}

stream {
	lua_package_path "/etc/nginx/lua/?.lua;/etc/nginx/lua/vendor/?.lua;;";

	lua_shared_dict tcp_udp_configuration_data 5M;

	init_by_lua_block {
		collectgarbage("collect")

		-- init modules
		local ok, res

		ok, res = pcall(require, "configuration")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		configuration = res
		end

		ok, res = pcall(require, "tcp_udp_configuration")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		tcp_udp_configuration = res
		end

		ok, res = pcall(require, "tcp_udp_balancer")
		if not ok then
		error("require failed: " .. tostring(res))
		else
		tcp_udp_balancer = res
		end
	}

	init_worker_by_lua_block {
		tcp_udp_balancer.init_worker()
	}

	lua_add_variable $proxy_upstream_name;

	log_format log_stream '[$remote_addr] [$time_local] $protocol $status $bytes_sent $bytes_received $session_time';

	access_log /var/log/nginx/access.log log_stream ;

	error_log  /var/log/nginx/error.log notice;

	upstream upstream_balancer {
		server 0.0.0.1:1234; # placeholder

		balancer_by_lua_block {
			tcp_udp_balancer.balance()
		}
	}

	server {
		listen 127.0.0.1:10247;

		access_log off;

		content_by_lua_block {
			tcp_udp_configuration.call()
		}
	}

	# TCP services

	# UDP services

}