nginx-intgress-config

$ 8exec zbms6 cat /etc/nginx/nginx.conf

# Configuration checksum: 16399570357895000238

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

daemon off;

worker_processes 40;

worker_rlimit_nofile 25190;

worker_shutdown_timeout 10s ;

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

http {
    lua_package_path    "/usr/local/openresty/site/lualib/?.ljbc;/usr/local/openresty/site/lualib/?/init.ljbc;/usr/local/openresty/lualib/?.ljbc;/usr/local/openresty/lualib/?/init.ljbc;/usr/local/openresty/site/lualib/?.lua;/usr/local/openresty/site/lualib/?/init.lua;/usr/local/openresty/lualib/?.lua;/usr/local/openresty/lualib/?/init.lua;./?.lua;/usr/local/openresty/luajit/share/luajit-2.1.0-beta3/?.lua;/usr/local/share/lua/5.1/?.lua;/usr/local/share/lua/5.1/?/init.lua;/usr/local/openresty/luajit/share/lua/5.1/?.lua;/usr/local/openresty/luajit/share/lua/5.1/?/init.lua;/usr/local/lib/lua/?.lua;;";
    lua_package_cpath   "/usr/local/openresty/site/lualib/?.so;/usr/local/openresty/lualib/?.so;./?.so;/usr/local/lib/lua/5.1/?.so;/usr/local/openresty/luajit/lib/lua/5.1/?.so;/usr/local/lib/lua/5.1/loadall.so;/usr/local/openresty/luajit/lib/lua/5.1/?.so;;";

    lua_shared_dict configuration_data 15M;
    lua_shared_dict certificate_data 16M;

    init_by_lua_block {
        collectgarbage("collect")

        local lua_resty_waf = require("resty.waf")
        lua_resty_waf.init()

        -- 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,
            is_ssl_passthrough_enabled = false,
            http_redirect_code = 308,
        listen_ports = { ssl_proxy = "442", https = "443" },
        })
        end

        ok, res = pcall(require, "configuration")
        if not ok then
        error("require failed: " .. tostring(res))
        else
        configuration = res
    configuration.nameservers = { "180.76.76.76", "172.31.90.17" }
        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
        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()

        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;

    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      128;
    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;

    gzip on;
    gzip_comp_level 5;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_types application/atom+xml application/javascript application/x-javascript application/json application/rss+xml application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/svg+xml image/x-icon text/css text/javascript text/plain text/x-component;
    gzip_proxied any;
    gzip_vary on;

    # Custom headers for response

    server_tokens on;

    # disable warnings
    uninitialized_variable_warn off;

    # Additional available variables:
    # $namespace
    # $ingress_name
    # $service_name
    # $service_port
    log_format upstreaminfo '$the_real_ip - [$the_real_ip] - $remote_user [$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 180.76.76.76 172.31.90.17 valid=30s;

    # 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
        ''               '';

    }

    # The following is a sneaky way to do "set $the_real_ip $remote_addr"
    # Needed because using set is not allowed outside server blocks.
    map '' $the_real_ip {

        default          $remote_addr;

    }

    # 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;

    # 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 on;

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

    # allow configuring custom ssl ciphers
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
    ssl_prefer_server_ciphers on;

    ssl_ecdh_curve auto;

    proxy_ssl_session_reuse on;

    upstream upstream_balancer {
        server 0.0.0.1; # placeholder

        balancer_by_lua_block {
            balancer.balance()
        }

        keepalive 32;

        keepalive_timeout  60s;
        keepalive_requests 100;

    }

    # Global filters

    ## start server _
    server {
        server_name _ ;

        listen 80 default_server reuseport backlog=32768;

        listen [::]:80 default_server reuseport backlog=32768;

        set $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;

        listen 443  default_server reuseport backlog=32768 ssl http2;

        listen [::]:443  default_server reuseport backlog=32768 ssl http2;

        # PEM sha: 468312431f9e5fa991282a5dcab937301b6c9e65
        ssl_certificate                         /etc/ingress-controller/ssl/default-fake-certificate.pem;
        ssl_certificate_key                     /etc/ingress-controller/ssl/default-fake-certificate.pem;

        ssl_certificate_by_lua_block {
            certificate.call()
        }

        location / {

            set $namespace      "";
            set $ingress_name   "";
            set $service_name   "";
            set $service_port   "0";
            set $location_path  "/";

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

            header_filter_by_lua_block {

                plugins.run()
            }
            body_filter_by_lua_block {

            }

            log_by_lua_block {

                balancer.log()

                monitor.call()

                plugins.run()
            }

            if ($scheme = https) {
                more_set_headers                        "Strict-Transport-Security: max-age=15724800; includeSubDomains";
            }

            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 $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              $the_real_ip;

            proxy_set_header X-Forwarded-For        $the_real_ip;

            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 $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_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;

            allow ::1;

            deny all;

            access_log off;
            stub_status on;
        }

    }
    ## end server _

    ## start server fs.example.com
    server {
        server_name fs.example.com ;

        listen 80;

        listen [::]:80;

        set $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;

        location / {

            set $namespace      "yunwei";
            set $ingress_name   "fs1";
            set $service_name   "fs";
            set $service_port   "web";
            set $location_path  "/";

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

            header_filter_by_lua_block {

                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    "yunwei-fs-web";
            set $proxy_host             $proxy_upstream_name;

            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              $the_real_ip;

            proxy_set_header X-Forwarded-For        $the_real_ip;

            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 $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_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;

        }

    }
    ## end server fs.example.com

    # backend for when default-backend-service is not configured or it does not have endpoints
    server {
        listen 8181 default_server reuseport backlog=32768;
        listen [::]:8181 default_server reuseport backlog=32768;
        set $proxy_upstream_name "internal";

        access_log off;

        location / {
            return 404;
        }
    }

    # default server, used for NGINX healthcheck and access to nginx stats
    server {
        listen unix:/tmp/nginx-status-server.sock;
        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 {
            # this should be equals to configuration_data dict
            client_max_body_size                    10m;
            client_body_buffer_size                 10m;
            proxy_buffering                         off;

            content_by_lua_block {
                configuration.call()
            }
        }

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

stream {
    lua_package_cpath "/usr/local/lib/lua/?.so;/usr/lib/lua-platform-path/lua/5.1/?.so;;";
    lua_package_path "/etc/nginx/lua/?.lua;/etc/nginx/lua/vendor/?.lua;/usr/local/lib/lua/?.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
    configuration.nameservers = { "180.76.76.76", "172.31.90.17" }
        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 [$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;

    upstream upstream_balancer {
        server 0.0.0.1:1234; # placeholder

        balancer_by_lua_block {
            tcp_udp_balancer.balance()
        }
    }

    server {
        listen unix:/tmp/ingress-stream.sock;

        content_by_lua_block {
            tcp_udp_configuration.call()
        }
    }

    # TCP services

    # UDP services

}